]>
Commit | Line | Data |
---|---|---|
6af0bf9c FB |
1 | /* |
2 | * MIPS32 emulation for qemu: main translation routines. | |
5fafdf24 | 3 | * |
6af0bf9c | 4 | * Copyright (c) 2004-2005 Jocelyn Mayer |
6ea83fed | 5 | * Copyright (c) 2006 Marius Groeger (FPU operations) |
bb8a53ad | 6 | * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) |
3c824109 | 7 | * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support) |
6af0bf9c FB |
8 | * |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2 of the License, or (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
8167ee88 | 20 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
6af0bf9c FB |
21 | */ |
22 | ||
23 | #include <stdarg.h> | |
24 | #include <stdlib.h> | |
25 | #include <stdio.h> | |
26 | #include <string.h> | |
27 | #include <inttypes.h> | |
28 | ||
29 | #include "cpu.h" | |
30 | #include "exec-all.h" | |
31 | #include "disas.h" | |
57fec1fe | 32 | #include "tcg-op.h" |
ca10f867 | 33 | #include "qemu-common.h" |
6af0bf9c | 34 | |
a7812ae4 PB |
35 | #include "helper.h" |
36 | #define GEN_HELPER 1 | |
37 | #include "helper.h" | |
38 | ||
eeef26cd | 39 | //#define MIPS_DEBUG_DISAS |
c570fd16 | 40 | //#define MIPS_DEBUG_SIGN_EXTENSIONS |
6af0bf9c | 41 | |
7a387fff TS |
42 | /* MIPS major opcodes */ |
43 | #define MASK_OP_MAJOR(op) (op & (0x3F << 26)) | |
e37e863f FB |
44 | |
45 | enum { | |
46 | /* indirect opcode tables */ | |
7a387fff TS |
47 | OPC_SPECIAL = (0x00 << 26), |
48 | OPC_REGIMM = (0x01 << 26), | |
49 | OPC_CP0 = (0x10 << 26), | |
50 | OPC_CP1 = (0x11 << 26), | |
51 | OPC_CP2 = (0x12 << 26), | |
52 | OPC_CP3 = (0x13 << 26), | |
53 | OPC_SPECIAL2 = (0x1C << 26), | |
54 | OPC_SPECIAL3 = (0x1F << 26), | |
e37e863f | 55 | /* arithmetic with immediate */ |
7a387fff TS |
56 | OPC_ADDI = (0x08 << 26), |
57 | OPC_ADDIU = (0x09 << 26), | |
58 | OPC_SLTI = (0x0A << 26), | |
59 | OPC_SLTIU = (0x0B << 26), | |
324d9e32 | 60 | /* logic with immediate */ |
7a387fff TS |
61 | OPC_ANDI = (0x0C << 26), |
62 | OPC_ORI = (0x0D << 26), | |
63 | OPC_XORI = (0x0E << 26), | |
64 | OPC_LUI = (0x0F << 26), | |
324d9e32 | 65 | /* arithmetic with immediate */ |
7a387fff TS |
66 | OPC_DADDI = (0x18 << 26), |
67 | OPC_DADDIU = (0x19 << 26), | |
e37e863f | 68 | /* Jump and branches */ |
7a387fff TS |
69 | OPC_J = (0x02 << 26), |
70 | OPC_JAL = (0x03 << 26), | |
620e48f6 | 71 | OPC_JALS = OPC_JAL | 0x5, |
7a387fff TS |
72 | OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ |
73 | OPC_BEQL = (0x14 << 26), | |
74 | OPC_BNE = (0x05 << 26), | |
75 | OPC_BNEL = (0x15 << 26), | |
76 | OPC_BLEZ = (0x06 << 26), | |
77 | OPC_BLEZL = (0x16 << 26), | |
78 | OPC_BGTZ = (0x07 << 26), | |
79 | OPC_BGTZL = (0x17 << 26), | |
80 | OPC_JALX = (0x1D << 26), /* MIPS 16 only */ | |
620e48f6 | 81 | OPC_JALXS = OPC_JALX | 0x5, |
e37e863f | 82 | /* Load and stores */ |
7a387fff TS |
83 | OPC_LDL = (0x1A << 26), |
84 | OPC_LDR = (0x1B << 26), | |
85 | OPC_LB = (0x20 << 26), | |
86 | OPC_LH = (0x21 << 26), | |
87 | OPC_LWL = (0x22 << 26), | |
88 | OPC_LW = (0x23 << 26), | |
364d4831 | 89 | OPC_LWPC = OPC_LW | 0x5, |
7a387fff TS |
90 | OPC_LBU = (0x24 << 26), |
91 | OPC_LHU = (0x25 << 26), | |
92 | OPC_LWR = (0x26 << 26), | |
93 | OPC_LWU = (0x27 << 26), | |
94 | OPC_SB = (0x28 << 26), | |
95 | OPC_SH = (0x29 << 26), | |
96 | OPC_SWL = (0x2A << 26), | |
97 | OPC_SW = (0x2B << 26), | |
98 | OPC_SDL = (0x2C << 26), | |
99 | OPC_SDR = (0x2D << 26), | |
100 | OPC_SWR = (0x2E << 26), | |
101 | OPC_LL = (0x30 << 26), | |
102 | OPC_LLD = (0x34 << 26), | |
103 | OPC_LD = (0x37 << 26), | |
364d4831 | 104 | OPC_LDPC = OPC_LD | 0x5, |
7a387fff TS |
105 | OPC_SC = (0x38 << 26), |
106 | OPC_SCD = (0x3C << 26), | |
107 | OPC_SD = (0x3F << 26), | |
e37e863f | 108 | /* Floating point load/store */ |
7a387fff TS |
109 | OPC_LWC1 = (0x31 << 26), |
110 | OPC_LWC2 = (0x32 << 26), | |
111 | OPC_LDC1 = (0x35 << 26), | |
112 | OPC_LDC2 = (0x36 << 26), | |
113 | OPC_SWC1 = (0x39 << 26), | |
114 | OPC_SWC2 = (0x3A << 26), | |
115 | OPC_SDC1 = (0x3D << 26), | |
116 | OPC_SDC2 = (0x3E << 26), | |
117 | /* MDMX ASE specific */ | |
118 | OPC_MDMX = (0x1E << 26), | |
e37e863f | 119 | /* Cache and prefetch */ |
7a387fff TS |
120 | OPC_CACHE = (0x2F << 26), |
121 | OPC_PREF = (0x33 << 26), | |
122 | /* Reserved major opcode */ | |
123 | OPC_MAJOR3B_RESERVED = (0x3B << 26), | |
e37e863f FB |
124 | }; |
125 | ||
126 | /* MIPS special opcodes */ | |
7a387fff TS |
127 | #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
128 | ||
e37e863f FB |
129 | enum { |
130 | /* Shifts */ | |
7a387fff | 131 | OPC_SLL = 0x00 | OPC_SPECIAL, |
e37e863f FB |
132 | /* NOP is SLL r0, r0, 0 */ |
133 | /* SSNOP is SLL r0, r0, 1 */ | |
7a387fff TS |
134 | /* EHB is SLL r0, r0, 3 */ |
135 | OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ | |
ea63e2c3 | 136 | OPC_ROTR = OPC_SRL | (1 << 21), |
7a387fff TS |
137 | OPC_SRA = 0x03 | OPC_SPECIAL, |
138 | OPC_SLLV = 0x04 | OPC_SPECIAL, | |
e189e748 | 139 | OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ |
ea63e2c3 | 140 | OPC_ROTRV = OPC_SRLV | (1 << 6), |
7a387fff TS |
141 | OPC_SRAV = 0x07 | OPC_SPECIAL, |
142 | OPC_DSLLV = 0x14 | OPC_SPECIAL, | |
143 | OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ | |
ea63e2c3 | 144 | OPC_DROTRV = OPC_DSRLV | (1 << 6), |
7a387fff TS |
145 | OPC_DSRAV = 0x17 | OPC_SPECIAL, |
146 | OPC_DSLL = 0x38 | OPC_SPECIAL, | |
147 | OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ | |
ea63e2c3 | 148 | OPC_DROTR = OPC_DSRL | (1 << 21), |
7a387fff TS |
149 | OPC_DSRA = 0x3B | OPC_SPECIAL, |
150 | OPC_DSLL32 = 0x3C | OPC_SPECIAL, | |
151 | OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ | |
ea63e2c3 | 152 | OPC_DROTR32 = OPC_DSRL32 | (1 << 21), |
7a387fff | 153 | OPC_DSRA32 = 0x3F | OPC_SPECIAL, |
e37e863f | 154 | /* Multiplication / division */ |
7a387fff TS |
155 | OPC_MULT = 0x18 | OPC_SPECIAL, |
156 | OPC_MULTU = 0x19 | OPC_SPECIAL, | |
157 | OPC_DIV = 0x1A | OPC_SPECIAL, | |
158 | OPC_DIVU = 0x1B | OPC_SPECIAL, | |
159 | OPC_DMULT = 0x1C | OPC_SPECIAL, | |
160 | OPC_DMULTU = 0x1D | OPC_SPECIAL, | |
161 | OPC_DDIV = 0x1E | OPC_SPECIAL, | |
162 | OPC_DDIVU = 0x1F | OPC_SPECIAL, | |
e37e863f | 163 | /* 2 registers arithmetic / logic */ |
7a387fff TS |
164 | OPC_ADD = 0x20 | OPC_SPECIAL, |
165 | OPC_ADDU = 0x21 | OPC_SPECIAL, | |
166 | OPC_SUB = 0x22 | OPC_SPECIAL, | |
167 | OPC_SUBU = 0x23 | OPC_SPECIAL, | |
168 | OPC_AND = 0x24 | OPC_SPECIAL, | |
169 | OPC_OR = 0x25 | OPC_SPECIAL, | |
170 | OPC_XOR = 0x26 | OPC_SPECIAL, | |
171 | OPC_NOR = 0x27 | OPC_SPECIAL, | |
172 | OPC_SLT = 0x2A | OPC_SPECIAL, | |
173 | OPC_SLTU = 0x2B | OPC_SPECIAL, | |
174 | OPC_DADD = 0x2C | OPC_SPECIAL, | |
175 | OPC_DADDU = 0x2D | OPC_SPECIAL, | |
176 | OPC_DSUB = 0x2E | OPC_SPECIAL, | |
177 | OPC_DSUBU = 0x2F | OPC_SPECIAL, | |
e37e863f | 178 | /* Jumps */ |
7a387fff TS |
179 | OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ |
180 | OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ | |
364d4831 | 181 | OPC_JALRC = OPC_JALR | (0x5 << 6), |
620e48f6 | 182 | OPC_JALRS = 0x10 | OPC_SPECIAL | (0x5 << 6), |
e37e863f | 183 | /* Traps */ |
7a387fff TS |
184 | OPC_TGE = 0x30 | OPC_SPECIAL, |
185 | OPC_TGEU = 0x31 | OPC_SPECIAL, | |
186 | OPC_TLT = 0x32 | OPC_SPECIAL, | |
187 | OPC_TLTU = 0x33 | OPC_SPECIAL, | |
188 | OPC_TEQ = 0x34 | OPC_SPECIAL, | |
189 | OPC_TNE = 0x36 | OPC_SPECIAL, | |
e37e863f | 190 | /* HI / LO registers load & stores */ |
7a387fff TS |
191 | OPC_MFHI = 0x10 | OPC_SPECIAL, |
192 | OPC_MTHI = 0x11 | OPC_SPECIAL, | |
193 | OPC_MFLO = 0x12 | OPC_SPECIAL, | |
194 | OPC_MTLO = 0x13 | OPC_SPECIAL, | |
e37e863f | 195 | /* Conditional moves */ |
7a387fff TS |
196 | OPC_MOVZ = 0x0A | OPC_SPECIAL, |
197 | OPC_MOVN = 0x0B | OPC_SPECIAL, | |
e37e863f | 198 | |
7a387fff | 199 | OPC_MOVCI = 0x01 | OPC_SPECIAL, |
e37e863f FB |
200 | |
201 | /* Special */ | |
a0d700e4 | 202 | OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */ |
7a387fff TS |
203 | OPC_SYSCALL = 0x0C | OPC_SPECIAL, |
204 | OPC_BREAK = 0x0D | OPC_SPECIAL, | |
a0d700e4 | 205 | OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */ |
7a387fff TS |
206 | OPC_SYNC = 0x0F | OPC_SPECIAL, |
207 | ||
208 | OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL, | |
209 | OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL, | |
210 | OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL, | |
211 | OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL, | |
212 | OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL, | |
213 | OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL, | |
214 | OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL, | |
215 | }; | |
216 | ||
e9c71dd1 TS |
217 | /* Multiplication variants of the vr54xx. */ |
218 | #define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6)) | |
219 | ||
220 | enum { | |
221 | OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT, | |
222 | OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU, | |
223 | OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT, | |
224 | OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU, | |
225 | OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT, | |
226 | OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU, | |
227 | OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT, | |
228 | OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU, | |
229 | OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT, | |
230 | OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU, | |
231 | OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT, | |
232 | OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU, | |
233 | OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT, | |
234 | OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU, | |
235 | }; | |
236 | ||
7a387fff TS |
237 | /* REGIMM (rt field) opcodes */ |
238 | #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) | |
239 | ||
240 | enum { | |
241 | OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, | |
242 | OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, | |
243 | OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, | |
244 | OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, | |
245 | OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, | |
3c824109 | 246 | OPC_BLTZALS = OPC_BLTZAL | 0x5, /* microMIPS */ |
7a387fff TS |
247 | OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
248 | OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, | |
3c824109 | 249 | OPC_BGEZALS = OPC_BGEZAL | 0x5, /* microMIPS */ |
7a387fff TS |
250 | OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, |
251 | OPC_TGEI = (0x08 << 16) | OPC_REGIMM, | |
252 | OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, | |
253 | OPC_TLTI = (0x0A << 16) | OPC_REGIMM, | |
254 | OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, | |
255 | OPC_TEQI = (0x0C << 16) | OPC_REGIMM, | |
256 | OPC_TNEI = (0x0E << 16) | OPC_REGIMM, | |
257 | OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, | |
e37e863f FB |
258 | }; |
259 | ||
7a387fff TS |
260 | /* Special2 opcodes */ |
261 | #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) | |
262 | ||
e37e863f | 263 | enum { |
7a387fff TS |
264 | /* Multiply & xxx operations */ |
265 | OPC_MADD = 0x00 | OPC_SPECIAL2, | |
266 | OPC_MADDU = 0x01 | OPC_SPECIAL2, | |
267 | OPC_MUL = 0x02 | OPC_SPECIAL2, | |
268 | OPC_MSUB = 0x04 | OPC_SPECIAL2, | |
269 | OPC_MSUBU = 0x05 | OPC_SPECIAL2, | |
161f85e6 AJ |
270 | /* Loongson 2F */ |
271 | OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2, | |
272 | OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2, | |
273 | OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2, | |
274 | OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2, | |
275 | OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2, | |
276 | OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2, | |
277 | OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2, | |
278 | OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2, | |
279 | OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2, | |
280 | OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2, | |
281 | OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2, | |
282 | OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2, | |
e37e863f | 283 | /* Misc */ |
7a387fff TS |
284 | OPC_CLZ = 0x20 | OPC_SPECIAL2, |
285 | OPC_CLO = 0x21 | OPC_SPECIAL2, | |
286 | OPC_DCLZ = 0x24 | OPC_SPECIAL2, | |
287 | OPC_DCLO = 0x25 | OPC_SPECIAL2, | |
e37e863f | 288 | /* Special */ |
7a387fff TS |
289 | OPC_SDBBP = 0x3F | OPC_SPECIAL2, |
290 | }; | |
291 | ||
292 | /* Special3 opcodes */ | |
293 | #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) | |
294 | ||
295 | enum { | |
296 | OPC_EXT = 0x00 | OPC_SPECIAL3, | |
297 | OPC_DEXTM = 0x01 | OPC_SPECIAL3, | |
298 | OPC_DEXTU = 0x02 | OPC_SPECIAL3, | |
299 | OPC_DEXT = 0x03 | OPC_SPECIAL3, | |
300 | OPC_INS = 0x04 | OPC_SPECIAL3, | |
301 | OPC_DINSM = 0x05 | OPC_SPECIAL3, | |
302 | OPC_DINSU = 0x06 | OPC_SPECIAL3, | |
303 | OPC_DINS = 0x07 | OPC_SPECIAL3, | |
ead9360e TS |
304 | OPC_FORK = 0x08 | OPC_SPECIAL3, |
305 | OPC_YIELD = 0x09 | OPC_SPECIAL3, | |
7a387fff TS |
306 | OPC_BSHFL = 0x20 | OPC_SPECIAL3, |
307 | OPC_DBSHFL = 0x24 | OPC_SPECIAL3, | |
308 | OPC_RDHWR = 0x3B | OPC_SPECIAL3, | |
161f85e6 AJ |
309 | |
310 | /* Loongson 2E */ | |
311 | OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3, | |
312 | OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3, | |
313 | OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3, | |
314 | OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3, | |
315 | OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3, | |
316 | OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3, | |
317 | OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3, | |
318 | OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3, | |
319 | OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3, | |
320 | OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3, | |
321 | OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3, | |
322 | OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3, | |
e37e863f FB |
323 | }; |
324 | ||
7a387fff TS |
325 | /* BSHFL opcodes */ |
326 | #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) | |
327 | ||
e37e863f | 328 | enum { |
7a387fff TS |
329 | OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
330 | OPC_SEB = (0x10 << 6) | OPC_BSHFL, | |
331 | OPC_SEH = (0x18 << 6) | OPC_BSHFL, | |
e37e863f FB |
332 | }; |
333 | ||
7a387fff TS |
334 | /* DBSHFL opcodes */ |
335 | #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) | |
336 | ||
e37e863f | 337 | enum { |
7a387fff TS |
338 | OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
339 | OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, | |
e37e863f FB |
340 | }; |
341 | ||
7a387fff TS |
342 | /* Coprocessor 0 (rs field) */ |
343 | #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
344 | ||
6ea83fed | 345 | enum { |
7a387fff TS |
346 | OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
347 | OPC_DMFC0 = (0x01 << 21) | OPC_CP0, | |
348 | OPC_MTC0 = (0x04 << 21) | OPC_CP0, | |
349 | OPC_DMTC0 = (0x05 << 21) | OPC_CP0, | |
ead9360e | 350 | OPC_MFTR = (0x08 << 21) | OPC_CP0, |
7a387fff TS |
351 | OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
352 | OPC_MFMC0 = (0x0B << 21) | OPC_CP0, | |
ead9360e | 353 | OPC_MTTR = (0x0C << 21) | OPC_CP0, |
7a387fff TS |
354 | OPC_WRPGPR = (0x0E << 21) | OPC_CP0, |
355 | OPC_C0 = (0x10 << 21) | OPC_CP0, | |
356 | OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, | |
357 | OPC_C0_LAST = (0x1F << 21) | OPC_CP0, | |
6ea83fed | 358 | }; |
7a387fff TS |
359 | |
360 | /* MFMC0 opcodes */ | |
b48cfdff | 361 | #define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
7a387fff TS |
362 | |
363 | enum { | |
ead9360e TS |
364 | OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
365 | OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, | |
366 | OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, | |
367 | OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, | |
7a387fff TS |
368 | OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
369 | OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, | |
370 | }; | |
371 | ||
372 | /* Coprocessor 0 (with rs == C0) */ | |
373 | #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) | |
374 | ||
375 | enum { | |
376 | OPC_TLBR = 0x01 | OPC_C0, | |
377 | OPC_TLBWI = 0x02 | OPC_C0, | |
378 | OPC_TLBWR = 0x06 | OPC_C0, | |
379 | OPC_TLBP = 0x08 | OPC_C0, | |
380 | OPC_RFE = 0x10 | OPC_C0, | |
381 | OPC_ERET = 0x18 | OPC_C0, | |
382 | OPC_DERET = 0x1F | OPC_C0, | |
383 | OPC_WAIT = 0x20 | OPC_C0, | |
384 | }; | |
385 | ||
386 | /* Coprocessor 1 (rs field) */ | |
387 | #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
388 | ||
bf4120ad NF |
389 | /* Values for the fmt field in FP instructions */ |
390 | enum { | |
391 | /* 0 - 15 are reserved */ | |
e459440a AJ |
392 | FMT_S = 16, /* single fp */ |
393 | FMT_D = 17, /* double fp */ | |
394 | FMT_E = 18, /* extended fp */ | |
395 | FMT_Q = 19, /* quad fp */ | |
396 | FMT_W = 20, /* 32-bit fixed */ | |
397 | FMT_L = 21, /* 64-bit fixed */ | |
398 | FMT_PS = 22, /* paired single fp */ | |
bf4120ad NF |
399 | /* 23 - 31 are reserved */ |
400 | }; | |
401 | ||
7a387fff TS |
402 | enum { |
403 | OPC_MFC1 = (0x00 << 21) | OPC_CP1, | |
404 | OPC_DMFC1 = (0x01 << 21) | OPC_CP1, | |
405 | OPC_CFC1 = (0x02 << 21) | OPC_CP1, | |
5a5012ec | 406 | OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
7a387fff TS |
407 | OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
408 | OPC_DMTC1 = (0x05 << 21) | OPC_CP1, | |
409 | OPC_CTC1 = (0x06 << 21) | OPC_CP1, | |
5a5012ec | 410 | OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
7a387fff | 411 | OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
5a5012ec TS |
412 | OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
413 | OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, | |
e459440a AJ |
414 | OPC_S_FMT = (FMT_S << 21) | OPC_CP1, |
415 | OPC_D_FMT = (FMT_D << 21) | OPC_CP1, | |
416 | OPC_E_FMT = (FMT_E << 21) | OPC_CP1, | |
417 | OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1, | |
418 | OPC_W_FMT = (FMT_W << 21) | OPC_CP1, | |
419 | OPC_L_FMT = (FMT_L << 21) | OPC_CP1, | |
420 | OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1, | |
7a387fff TS |
421 | }; |
422 | ||
5a5012ec TS |
423 | #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
424 | #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) | |
425 | ||
7a387fff TS |
426 | enum { |
427 | OPC_BC1F = (0x00 << 16) | OPC_BC1, | |
428 | OPC_BC1T = (0x01 << 16) | OPC_BC1, | |
429 | OPC_BC1FL = (0x02 << 16) | OPC_BC1, | |
430 | OPC_BC1TL = (0x03 << 16) | OPC_BC1, | |
431 | }; | |
432 | ||
5a5012ec TS |
433 | enum { |
434 | OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, | |
435 | OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, | |
436 | }; | |
437 | ||
438 | enum { | |
439 | OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, | |
440 | OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, | |
441 | }; | |
7a387fff TS |
442 | |
443 | #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
e0c84da7 TS |
444 | |
445 | enum { | |
446 | OPC_MFC2 = (0x00 << 21) | OPC_CP2, | |
447 | OPC_DMFC2 = (0x01 << 21) | OPC_CP2, | |
448 | OPC_CFC2 = (0x02 << 21) | OPC_CP2, | |
449 | OPC_MFHC2 = (0x03 << 21) | OPC_CP2, | |
450 | OPC_MTC2 = (0x04 << 21) | OPC_CP2, | |
451 | OPC_DMTC2 = (0x05 << 21) | OPC_CP2, | |
452 | OPC_CTC2 = (0x06 << 21) | OPC_CP2, | |
453 | OPC_MTHC2 = (0x07 << 21) | OPC_CP2, | |
454 | OPC_BC2 = (0x08 << 21) | OPC_CP2, | |
455 | }; | |
456 | ||
457 | #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) | |
458 | ||
459 | enum { | |
460 | OPC_LWXC1 = 0x00 | OPC_CP3, | |
461 | OPC_LDXC1 = 0x01 | OPC_CP3, | |
462 | OPC_LUXC1 = 0x05 | OPC_CP3, | |
463 | OPC_SWXC1 = 0x08 | OPC_CP3, | |
464 | OPC_SDXC1 = 0x09 | OPC_CP3, | |
465 | OPC_SUXC1 = 0x0D | OPC_CP3, | |
466 | OPC_PREFX = 0x0F | OPC_CP3, | |
467 | OPC_ALNV_PS = 0x1E | OPC_CP3, | |
468 | OPC_MADD_S = 0x20 | OPC_CP3, | |
469 | OPC_MADD_D = 0x21 | OPC_CP3, | |
470 | OPC_MADD_PS = 0x26 | OPC_CP3, | |
471 | OPC_MSUB_S = 0x28 | OPC_CP3, | |
472 | OPC_MSUB_D = 0x29 | OPC_CP3, | |
473 | OPC_MSUB_PS = 0x2E | OPC_CP3, | |
474 | OPC_NMADD_S = 0x30 | OPC_CP3, | |
fbcc6828 | 475 | OPC_NMADD_D = 0x31 | OPC_CP3, |
e0c84da7 TS |
476 | OPC_NMADD_PS= 0x36 | OPC_CP3, |
477 | OPC_NMSUB_S = 0x38 | OPC_CP3, | |
478 | OPC_NMSUB_D = 0x39 | OPC_CP3, | |
479 | OPC_NMSUB_PS= 0x3E | OPC_CP3, | |
480 | }; | |
481 | ||
39454628 | 482 | /* global register indices */ |
a7812ae4 PB |
483 | static TCGv_ptr cpu_env; |
484 | static TCGv cpu_gpr[32], cpu_PC; | |
4b2eb8d2 | 485 | static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC]; |
41db4607 AJ |
486 | static TCGv cpu_dspctrl, btarget, bcond; |
487 | static TCGv_i32 hflags; | |
a7812ae4 | 488 | static TCGv_i32 fpu_fcr0, fpu_fcr31; |
aa0bf00b | 489 | |
1a7ff922 PB |
490 | static uint32_t gen_opc_hflags[OPC_BUF_SIZE]; |
491 | ||
2e70f6ef PB |
492 | #include "gen-icount.h" |
493 | ||
a7812ae4 PB |
494 | #define gen_helper_0i(name, arg) do { \ |
495 | TCGv_i32 helper_tmp = tcg_const_i32(arg); \ | |
496 | gen_helper_##name(helper_tmp); \ | |
497 | tcg_temp_free_i32(helper_tmp); \ | |
498 | } while(0) | |
be24bb4f | 499 | |
a7812ae4 PB |
500 | #define gen_helper_1i(name, arg1, arg2) do { \ |
501 | TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ | |
502 | gen_helper_##name(arg1, helper_tmp); \ | |
503 | tcg_temp_free_i32(helper_tmp); \ | |
504 | } while(0) | |
be24bb4f | 505 | |
a7812ae4 PB |
506 | #define gen_helper_2i(name, arg1, arg2, arg3) do { \ |
507 | TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ | |
508 | gen_helper_##name(arg1, arg2, helper_tmp); \ | |
509 | tcg_temp_free_i32(helper_tmp); \ | |
510 | } while(0) | |
be24bb4f | 511 | |
a7812ae4 PB |
512 | #define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \ |
513 | TCGv_i32 helper_tmp = tcg_const_i32(arg4); \ | |
514 | gen_helper_##name(arg1, arg2, arg3, helper_tmp); \ | |
515 | tcg_temp_free_i32(helper_tmp); \ | |
516 | } while(0) | |
c239529e | 517 | |
8e9ade68 TS |
518 | typedef struct DisasContext { |
519 | struct TranslationBlock *tb; | |
520 | target_ulong pc, saved_pc; | |
521 | uint32_t opcode; | |
7b270ef2 | 522 | int singlestep_enabled; |
8e9ade68 TS |
523 | /* Routine used to access memory */ |
524 | int mem_idx; | |
525 | uint32_t hflags, saved_hflags; | |
526 | int bstate; | |
527 | target_ulong btarget; | |
528 | } DisasContext; | |
529 | ||
530 | enum { | |
531 | BS_NONE = 0, /* We go out of the TB without reaching a branch or an | |
d077b6f7 | 532 | * exception condition */ |
8e9ade68 TS |
533 | BS_STOP = 1, /* We want to stop translation for any reason */ |
534 | BS_BRANCH = 2, /* We reached a branch condition */ | |
535 | BS_EXCP = 3, /* We reached an exception condition */ | |
536 | }; | |
537 | ||
538 | static const char *regnames[] = | |
6af0bf9c FB |
539 | { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
540 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", | |
541 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", | |
542 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; | |
543 | ||
4b2eb8d2 TS |
544 | static const char *regnames_HI[] = |
545 | { "HI0", "HI1", "HI2", "HI3", }; | |
546 | ||
547 | static const char *regnames_LO[] = | |
548 | { "LO0", "LO1", "LO2", "LO3", }; | |
549 | ||
550 | static const char *regnames_ACX[] = | |
551 | { "ACX0", "ACX1", "ACX2", "ACX3", }; | |
552 | ||
8e9ade68 TS |
553 | static const char *fregnames[] = |
554 | { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", | |
555 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", | |
556 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", | |
557 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; | |
958fb4a9 | 558 | |
8e9ade68 | 559 | #ifdef MIPS_DEBUG_DISAS |
001faf32 | 560 | #define MIPS_DEBUG(fmt, ...) \ |
93fcfe39 AL |
561 | qemu_log_mask(CPU_LOG_TB_IN_ASM, \ |
562 | TARGET_FMT_lx ": %08x " fmt "\n", \ | |
001faf32 | 563 | ctx->pc, ctx->opcode , ## __VA_ARGS__) |
93fcfe39 | 564 | #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) |
8e9ade68 | 565 | #else |
001faf32 | 566 | #define MIPS_DEBUG(fmt, ...) do { } while(0) |
d12d51d5 | 567 | #define LOG_DISAS(...) do { } while (0) |
8e9ade68 | 568 | #endif |
958fb4a9 | 569 | |
8e9ade68 TS |
570 | #define MIPS_INVAL(op) \ |
571 | do { \ | |
572 | MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ | |
573 | ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ | |
574 | } while (0) | |
ead9360e | 575 | |
8e9ade68 TS |
576 | /* General purpose registers moves. */ |
577 | static inline void gen_load_gpr (TCGv t, int reg) | |
aaa9128a | 578 | { |
8e9ade68 TS |
579 | if (reg == 0) |
580 | tcg_gen_movi_tl(t, 0); | |
581 | else | |
4b2eb8d2 | 582 | tcg_gen_mov_tl(t, cpu_gpr[reg]); |
aaa9128a TS |
583 | } |
584 | ||
8e9ade68 | 585 | static inline void gen_store_gpr (TCGv t, int reg) |
aaa9128a | 586 | { |
8e9ade68 | 587 | if (reg != 0) |
4b2eb8d2 | 588 | tcg_gen_mov_tl(cpu_gpr[reg], t); |
aaa9128a TS |
589 | } |
590 | ||
b10fa3c9 | 591 | /* Moves to/from ACX register. */ |
4b2eb8d2 | 592 | static inline void gen_load_ACX (TCGv t, int reg) |
893f9865 | 593 | { |
4b2eb8d2 | 594 | tcg_gen_mov_tl(t, cpu_ACX[reg]); |
893f9865 TS |
595 | } |
596 | ||
4b2eb8d2 | 597 | static inline void gen_store_ACX (TCGv t, int reg) |
893f9865 | 598 | { |
4b2eb8d2 | 599 | tcg_gen_mov_tl(cpu_ACX[reg], t); |
893f9865 TS |
600 | } |
601 | ||
8e9ade68 | 602 | /* Moves to/from shadow registers. */ |
be24bb4f | 603 | static inline void gen_load_srsgpr (int from, int to) |
aaa9128a | 604 | { |
d9bea114 | 605 | TCGv t0 = tcg_temp_new(); |
be24bb4f TS |
606 | |
607 | if (from == 0) | |
d9bea114 | 608 | tcg_gen_movi_tl(t0, 0); |
8e9ade68 | 609 | else { |
d9bea114 | 610 | TCGv_i32 t2 = tcg_temp_new_i32(); |
a7812ae4 | 611 | TCGv_ptr addr = tcg_temp_new_ptr(); |
aaa9128a | 612 | |
d9bea114 AJ |
613 | tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
614 | tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); | |
615 | tcg_gen_andi_i32(t2, t2, 0xf); | |
616 | tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); | |
617 | tcg_gen_ext_i32_ptr(addr, t2); | |
a7812ae4 | 618 | tcg_gen_add_ptr(addr, cpu_env, addr); |
aaa9128a | 619 | |
d9bea114 | 620 | tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from); |
a7812ae4 | 621 | tcg_temp_free_ptr(addr); |
d9bea114 | 622 | tcg_temp_free_i32(t2); |
8e9ade68 | 623 | } |
d9bea114 AJ |
624 | gen_store_gpr(t0, to); |
625 | tcg_temp_free(t0); | |
aaa9128a TS |
626 | } |
627 | ||
be24bb4f | 628 | static inline void gen_store_srsgpr (int from, int to) |
aaa9128a | 629 | { |
be24bb4f | 630 | if (to != 0) { |
d9bea114 AJ |
631 | TCGv t0 = tcg_temp_new(); |
632 | TCGv_i32 t2 = tcg_temp_new_i32(); | |
a7812ae4 | 633 | TCGv_ptr addr = tcg_temp_new_ptr(); |
be24bb4f | 634 | |
d9bea114 AJ |
635 | gen_load_gpr(t0, from); |
636 | tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); | |
637 | tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); | |
638 | tcg_gen_andi_i32(t2, t2, 0xf); | |
639 | tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); | |
640 | tcg_gen_ext_i32_ptr(addr, t2); | |
a7812ae4 | 641 | tcg_gen_add_ptr(addr, cpu_env, addr); |
be24bb4f | 642 | |
d9bea114 | 643 | tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to); |
a7812ae4 | 644 | tcg_temp_free_ptr(addr); |
d9bea114 AJ |
645 | tcg_temp_free_i32(t2); |
646 | tcg_temp_free(t0); | |
8e9ade68 | 647 | } |
aaa9128a TS |
648 | } |
649 | ||
aaa9128a | 650 | /* Floating point register moves. */ |
a7812ae4 | 651 | static inline void gen_load_fpr32 (TCGv_i32 t, int reg) |
aa0bf00b | 652 | { |
6d066274 | 653 | tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
6ea83fed FB |
654 | } |
655 | ||
a7812ae4 | 656 | static inline void gen_store_fpr32 (TCGv_i32 t, int reg) |
aa0bf00b | 657 | { |
6d066274 AJ |
658 | tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
659 | } | |
660 | ||
661 | static inline void gen_load_fpr32h (TCGv_i32 t, int reg) | |
662 | { | |
663 | tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); | |
664 | } | |
665 | ||
666 | static inline void gen_store_fpr32h (TCGv_i32 t, int reg) | |
667 | { | |
668 | tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); | |
aa0bf00b | 669 | } |
6ea83fed | 670 | |
a7812ae4 | 671 | static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
aa0bf00b | 672 | { |
f364515c | 673 | if (ctx->hflags & MIPS_HFLAG_F64) { |
6d066274 | 674 | tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
f364515c | 675 | } else { |
6d066274 AJ |
676 | TCGv_i32 t0 = tcg_temp_new_i32(); |
677 | TCGv_i32 t1 = tcg_temp_new_i32(); | |
678 | gen_load_fpr32(t0, reg & ~1); | |
679 | gen_load_fpr32(t1, reg | 1); | |
680 | tcg_gen_concat_i32_i64(t, t0, t1); | |
681 | tcg_temp_free_i32(t0); | |
682 | tcg_temp_free_i32(t1); | |
aa0bf00b TS |
683 | } |
684 | } | |
6ea83fed | 685 | |
a7812ae4 | 686 | static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
aa0bf00b | 687 | { |
f364515c | 688 | if (ctx->hflags & MIPS_HFLAG_F64) { |
6d066274 | 689 | tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
f364515c | 690 | } else { |
6d066274 AJ |
691 | TCGv_i64 t0 = tcg_temp_new_i64(); |
692 | TCGv_i32 t1 = tcg_temp_new_i32(); | |
693 | tcg_gen_trunc_i64_i32(t1, t); | |
694 | gen_store_fpr32(t1, reg & ~1); | |
695 | tcg_gen_shri_i64(t0, t, 32); | |
696 | tcg_gen_trunc_i64_i32(t1, t0); | |
697 | gen_store_fpr32(t1, reg | 1); | |
698 | tcg_temp_free_i32(t1); | |
699 | tcg_temp_free_i64(t0); | |
aa0bf00b TS |
700 | } |
701 | } | |
6ea83fed | 702 | |
d94536f4 | 703 | static inline int get_fp_bit (int cc) |
a16336e4 | 704 | { |
d94536f4 AJ |
705 | if (cc) |
706 | return 24 + cc; | |
707 | else | |
708 | return 23; | |
a16336e4 TS |
709 | } |
710 | ||
30898801 | 711 | /* Tests */ |
8e9ade68 TS |
712 | static inline void gen_save_pc(target_ulong pc) |
713 | { | |
1eb75d4a | 714 | tcg_gen_movi_tl(cpu_PC, pc); |
8e9ade68 | 715 | } |
30898801 | 716 | |
356265ae | 717 | static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
6af0bf9c | 718 | { |
d12d51d5 | 719 | LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags); |
6af0bf9c | 720 | if (do_save_pc && ctx->pc != ctx->saved_pc) { |
9b9e4393 | 721 | gen_save_pc(ctx->pc); |
6af0bf9c FB |
722 | ctx->saved_pc = ctx->pc; |
723 | } | |
724 | if (ctx->hflags != ctx->saved_hflags) { | |
41db4607 | 725 | tcg_gen_movi_i32(hflags, ctx->hflags); |
6af0bf9c | 726 | ctx->saved_hflags = ctx->hflags; |
364d4831 | 727 | switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { |
5a5012ec | 728 | case MIPS_HFLAG_BR: |
5a5012ec TS |
729 | break; |
730 | case MIPS_HFLAG_BC: | |
5a5012ec | 731 | case MIPS_HFLAG_BL: |
5a5012ec | 732 | case MIPS_HFLAG_B: |
d077b6f7 | 733 | tcg_gen_movi_tl(btarget, ctx->btarget); |
5a5012ec | 734 | break; |
6af0bf9c FB |
735 | } |
736 | } | |
737 | } | |
738 | ||
356265ae | 739 | static inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
5a5012ec | 740 | { |
fd4a04eb | 741 | ctx->saved_hflags = ctx->hflags; |
364d4831 | 742 | switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { |
fd4a04eb | 743 | case MIPS_HFLAG_BR: |
fd4a04eb TS |
744 | break; |
745 | case MIPS_HFLAG_BC: | |
746 | case MIPS_HFLAG_BL: | |
39454628 | 747 | case MIPS_HFLAG_B: |
fd4a04eb | 748 | ctx->btarget = env->btarget; |
fd4a04eb | 749 | break; |
5a5012ec TS |
750 | } |
751 | } | |
752 | ||
356265ae | 753 | static inline void |
48d38ca5 | 754 | generate_exception_err (DisasContext *ctx, int excp, int err) |
aaa9128a | 755 | { |
a7812ae4 PB |
756 | TCGv_i32 texcp = tcg_const_i32(excp); |
757 | TCGv_i32 terr = tcg_const_i32(err); | |
aaa9128a | 758 | save_cpu_state(ctx, 1); |
a7812ae4 PB |
759 | gen_helper_raise_exception_err(texcp, terr); |
760 | tcg_temp_free_i32(terr); | |
761 | tcg_temp_free_i32(texcp); | |
aaa9128a TS |
762 | } |
763 | ||
356265ae | 764 | static inline void |
48d38ca5 | 765 | generate_exception (DisasContext *ctx, int excp) |
aaa9128a | 766 | { |
6af0bf9c | 767 | save_cpu_state(ctx, 1); |
a7812ae4 | 768 | gen_helper_0i(raise_exception, excp); |
6af0bf9c FB |
769 | } |
770 | ||
48d38ca5 | 771 | /* Addresses computation */ |
941694d0 | 772 | static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) |
4ad40f36 | 773 | { |
941694d0 | 774 | tcg_gen_add_tl(ret, arg0, arg1); |
48d38ca5 TS |
775 | |
776 | #if defined(TARGET_MIPS64) | |
777 | /* For compatibility with 32-bit code, data reference in user mode | |
778 | with Status_UX = 0 should be casted to 32-bit and sign extended. | |
779 | See the MIPS64 PRA manual, section 4.10. */ | |
2623c1ec AJ |
780 | if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) && |
781 | !(ctx->hflags & MIPS_HFLAG_UX)) { | |
941694d0 | 782 | tcg_gen_ext32s_i64(ret, ret); |
48d38ca5 TS |
783 | } |
784 | #endif | |
4ad40f36 FB |
785 | } |
786 | ||
356265ae | 787 | static inline void check_cp0_enabled(DisasContext *ctx) |
387a8fe5 | 788 | { |
fe253235 | 789 | if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) |
c2c65dab | 790 | generate_exception_err(ctx, EXCP_CpU, 0); |
387a8fe5 TS |
791 | } |
792 | ||
356265ae | 793 | static inline void check_cp1_enabled(DisasContext *ctx) |
5e755519 | 794 | { |
fe253235 | 795 | if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) |
5e755519 TS |
796 | generate_exception_err(ctx, EXCP_CpU, 1); |
797 | } | |
798 | ||
b8aa4598 TS |
799 | /* Verify that the processor is running with COP1X instructions enabled. |
800 | This is associated with the nabla symbol in the MIPS32 and MIPS64 | |
801 | opcode tables. */ | |
802 | ||
356265ae | 803 | static inline void check_cop1x(DisasContext *ctx) |
b8aa4598 TS |
804 | { |
805 | if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) | |
806 | generate_exception(ctx, EXCP_RI); | |
807 | } | |
808 | ||
809 | /* Verify that the processor is running with 64-bit floating-point | |
810 | operations enabled. */ | |
811 | ||
356265ae | 812 | static inline void check_cp1_64bitmode(DisasContext *ctx) |
5e755519 | 813 | { |
b8aa4598 | 814 | if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) |
5e755519 TS |
815 | generate_exception(ctx, EXCP_RI); |
816 | } | |
817 | ||
818 | /* | |
819 | * Verify if floating point register is valid; an operation is not defined | |
820 | * if bit 0 of any register specification is set and the FR bit in the | |
821 | * Status register equals zero, since the register numbers specify an | |
822 | * even-odd pair of adjacent coprocessor general registers. When the FR bit | |
823 | * in the Status register equals one, both even and odd register numbers | |
824 | * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers. | |
825 | * | |
826 | * Multiple 64 bit wide registers can be checked by calling | |
827 | * gen_op_cp1_registers(freg1 | freg2 | ... | fregN); | |
828 | */ | |
356265ae | 829 | static inline void check_cp1_registers(DisasContext *ctx, int regs) |
5e755519 | 830 | { |
fe253235 | 831 | if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
5e755519 TS |
832 | generate_exception(ctx, EXCP_RI); |
833 | } | |
834 | ||
3a95e3a7 | 835 | /* This code generates a "reserved instruction" exception if the |
e189e748 | 836 | CPU does not support the instruction set corresponding to flags. */ |
356265ae | 837 | static inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
3a95e3a7 | 838 | { |
e189e748 | 839 | if (unlikely(!(env->insn_flags & flags))) |
3a95e3a7 TS |
840 | generate_exception(ctx, EXCP_RI); |
841 | } | |
842 | ||
e189e748 TS |
843 | /* This code generates a "reserved instruction" exception if 64-bit |
844 | instructions are not enabled. */ | |
356265ae | 845 | static inline void check_mips_64(DisasContext *ctx) |
e189e748 | 846 | { |
fe253235 | 847 | if (unlikely(!(ctx->hflags & MIPS_HFLAG_64))) |
e189e748 TS |
848 | generate_exception(ctx, EXCP_RI); |
849 | } | |
850 | ||
8153667c NF |
851 | /* Define small wrappers for gen_load_fpr* so that we have a uniform |
852 | calling interface for 32 and 64-bit FPRs. No sense in changing | |
853 | all callers for gen_load_fpr32 when we need the CTX parameter for | |
854 | this one use. */ | |
855 | #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(x, y) | |
856 | #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y) | |
857 | #define FOP_CONDS(type, abs, fmt, ifmt, bits) \ | |
858 | static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ | |
859 | int ft, int fs, int cc) \ | |
860 | { \ | |
861 | TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \ | |
862 | TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \ | |
863 | switch (ifmt) { \ | |
864 | case FMT_PS: \ | |
865 | check_cp1_64bitmode(ctx); \ | |
866 | break; \ | |
867 | case FMT_D: \ | |
868 | if (abs) { \ | |
869 | check_cop1x(ctx); \ | |
870 | } \ | |
871 | check_cp1_registers(ctx, fs | ft); \ | |
872 | break; \ | |
873 | case FMT_S: \ | |
874 | if (abs) { \ | |
875 | check_cop1x(ctx); \ | |
876 | } \ | |
877 | break; \ | |
878 | } \ | |
879 | gen_ldcmp_fpr##bits (ctx, fp0, fs); \ | |
880 | gen_ldcmp_fpr##bits (ctx, fp1, ft); \ | |
881 | switch (n) { \ | |
882 | case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\ | |
883 | case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\ | |
884 | case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\ | |
885 | case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\ | |
886 | case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\ | |
887 | case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\ | |
888 | case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\ | |
889 | case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\ | |
890 | case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\ | |
891 | case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\ | |
892 | case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\ | |
893 | case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\ | |
894 | case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\ | |
895 | case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\ | |
896 | case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\ | |
897 | case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\ | |
898 | default: abort(); \ | |
899 | } \ | |
900 | tcg_temp_free_i##bits (fp0); \ | |
901 | tcg_temp_free_i##bits (fp1); \ | |
902 | } | |
903 | ||
904 | FOP_CONDS(, 0, d, FMT_D, 64) | |
905 | FOP_CONDS(abs, 1, d, FMT_D, 64) | |
906 | FOP_CONDS(, 0, s, FMT_S, 32) | |
907 | FOP_CONDS(abs, 1, s, FMT_S, 32) | |
908 | FOP_CONDS(, 0, ps, FMT_PS, 64) | |
909 | FOP_CONDS(abs, 1, ps, FMT_PS, 64) | |
910 | #undef FOP_CONDS | |
911 | #undef gen_ldcmp_fpr32 | |
912 | #undef gen_ldcmp_fpr64 | |
913 | ||
958fb4a9 | 914 | /* load/store instructions. */ |
d9bea114 | 915 | #define OP_LD(insn,fname) \ |
5c13fdfd | 916 | static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
d9bea114 AJ |
917 | { \ |
918 | tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ | |
aaa9128a TS |
919 | } |
920 | OP_LD(lb,ld8s); | |
921 | OP_LD(lbu,ld8u); | |
922 | OP_LD(lh,ld16s); | |
923 | OP_LD(lhu,ld16u); | |
924 | OP_LD(lw,ld32s); | |
925 | #if defined(TARGET_MIPS64) | |
926 | OP_LD(lwu,ld32u); | |
927 | OP_LD(ld,ld64); | |
928 | #endif | |
929 | #undef OP_LD | |
930 | ||
d9bea114 | 931 | #define OP_ST(insn,fname) \ |
5c13fdfd | 932 | static inline void op_st_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \ |
d9bea114 AJ |
933 | { \ |
934 | tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \ | |
aaa9128a TS |
935 | } |
936 | OP_ST(sb,st8); | |
937 | OP_ST(sh,st16); | |
938 | OP_ST(sw,st32); | |
939 | #if defined(TARGET_MIPS64) | |
940 | OP_ST(sd,st64); | |
941 | #endif | |
942 | #undef OP_ST | |
943 | ||
e7139c44 | 944 | #ifdef CONFIG_USER_ONLY |
d9bea114 | 945 | #define OP_LD_ATOMIC(insn,fname) \ |
5c13fdfd | 946 | static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
d9bea114 AJ |
947 | { \ |
948 | TCGv t0 = tcg_temp_new(); \ | |
949 | tcg_gen_mov_tl(t0, arg1); \ | |
950 | tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ | |
e7139c44 | 951 | tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
590bc601 | 952 | tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \ |
d9bea114 | 953 | tcg_temp_free(t0); \ |
aaa9128a | 954 | } |
e7139c44 AJ |
955 | #else |
956 | #define OP_LD_ATOMIC(insn,fname) \ | |
5c13fdfd | 957 | static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
e7139c44 AJ |
958 | { \ |
959 | gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \ | |
960 | } | |
961 | #endif | |
aaa9128a TS |
962 | OP_LD_ATOMIC(ll,ld32s); |
963 | #if defined(TARGET_MIPS64) | |
964 | OP_LD_ATOMIC(lld,ld64); | |
965 | #endif | |
966 | #undef OP_LD_ATOMIC | |
967 | ||
590bc601 PB |
968 | #ifdef CONFIG_USER_ONLY |
969 | #define OP_ST_ATOMIC(insn,fname,ldname,almask) \ | |
5c13fdfd | 970 | static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
590bc601 PB |
971 | { \ |
972 | TCGv t0 = tcg_temp_new(); \ | |
973 | int l1 = gen_new_label(); \ | |
974 | int l2 = gen_new_label(); \ | |
975 | \ | |
976 | tcg_gen_andi_tl(t0, arg2, almask); \ | |
977 | tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \ | |
978 | tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \ | |
979 | generate_exception(ctx, EXCP_AdES); \ | |
980 | gen_set_label(l1); \ | |
e7139c44 | 981 | tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
590bc601 PB |
982 | tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ |
983 | tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \ | |
984 | tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \ | |
985 | tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \ | |
986 | gen_helper_0i(raise_exception, EXCP_SC); \ | |
987 | gen_set_label(l2); \ | |
988 | tcg_gen_movi_tl(t0, 0); \ | |
989 | gen_store_gpr(t0, rt); \ | |
990 | tcg_temp_free(t0); \ | |
991 | } | |
992 | #else | |
993 | #define OP_ST_ATOMIC(insn,fname,ldname,almask) \ | |
5c13fdfd | 994 | static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
590bc601 PB |
995 | { \ |
996 | TCGv t0 = tcg_temp_new(); \ | |
e7139c44 | 997 | gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \ |
590bc601 | 998 | gen_store_gpr(t0, rt); \ |
590bc601 PB |
999 | tcg_temp_free(t0); \ |
1000 | } | |
1001 | #endif | |
590bc601 | 1002 | OP_ST_ATOMIC(sc,st32,ld32s,0x3); |
aaa9128a | 1003 | #if defined(TARGET_MIPS64) |
590bc601 | 1004 | OP_ST_ATOMIC(scd,st64,ld64,0x7); |
aaa9128a TS |
1005 | #endif |
1006 | #undef OP_ST_ATOMIC | |
1007 | ||
662d7485 NF |
1008 | static void gen_base_offset_addr (DisasContext *ctx, TCGv addr, |
1009 | int base, int16_t offset) | |
1010 | { | |
1011 | if (base == 0) { | |
1012 | tcg_gen_movi_tl(addr, offset); | |
1013 | } else if (offset == 0) { | |
1014 | gen_load_gpr(addr, base); | |
1015 | } else { | |
1016 | tcg_gen_movi_tl(addr, offset); | |
1017 | gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); | |
1018 | } | |
1019 | } | |
1020 | ||
364d4831 NF |
1021 | static target_ulong pc_relative_pc (DisasContext *ctx) |
1022 | { | |
1023 | target_ulong pc = ctx->pc; | |
1024 | ||
1025 | if (ctx->hflags & MIPS_HFLAG_BMASK) { | |
1026 | int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; | |
1027 | ||
1028 | pc -= branch_bytes; | |
1029 | } | |
1030 | ||
1031 | pc &= ~(target_ulong)3; | |
1032 | return pc; | |
1033 | } | |
1034 | ||
5c13fdfd | 1035 | /* Load */ |
afa88c3a AJ |
1036 | static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc, |
1037 | int rt, int base, int16_t offset) | |
6af0bf9c | 1038 | { |
5c13fdfd | 1039 | const char *opn = "ld"; |
afa88c3a AJ |
1040 | TCGv t0, t1; |
1041 | ||
1042 | if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) { | |
1043 | /* Loongson CPU uses a load to zero register for prefetch. | |
1044 | We emulate it as a NOP. On other CPU we must perform the | |
1045 | actual memory access. */ | |
1046 | MIPS_DEBUG("NOP"); | |
1047 | return; | |
1048 | } | |
6af0bf9c | 1049 | |
afa88c3a AJ |
1050 | t0 = tcg_temp_new(); |
1051 | t1 = tcg_temp_new(); | |
662d7485 | 1052 | gen_base_offset_addr(ctx, t0, base, offset); |
afa88c3a | 1053 | |
6af0bf9c | 1054 | switch (opc) { |
d26bc211 | 1055 | #if defined(TARGET_MIPS64) |
6e473128 | 1056 | case OPC_LWU: |
d66c7132 | 1057 | save_cpu_state(ctx, 0); |
5c13fdfd | 1058 | op_ld_lwu(t0, t0, ctx); |
78723684 | 1059 | gen_store_gpr(t0, rt); |
6e473128 TS |
1060 | opn = "lwu"; |
1061 | break; | |
6af0bf9c | 1062 | case OPC_LD: |
d66c7132 | 1063 | save_cpu_state(ctx, 0); |
5c13fdfd | 1064 | op_ld_ld(t0, t0, ctx); |
78723684 | 1065 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1066 | opn = "ld"; |
1067 | break; | |
7a387fff | 1068 | case OPC_LLD: |
d66c7132 | 1069 | save_cpu_state(ctx, 0); |
5c13fdfd | 1070 | op_ld_lld(t0, t0, ctx); |
78723684 | 1071 | gen_store_gpr(t0, rt); |
7a387fff TS |
1072 | opn = "lld"; |
1073 | break; | |
6af0bf9c | 1074 | case OPC_LDL: |
c8c2227e | 1075 | save_cpu_state(ctx, 1); |
78723684 | 1076 | gen_load_gpr(t1, rt); |
d9bea114 | 1077 | gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx); |
78723684 | 1078 | gen_store_gpr(t1, rt); |
6af0bf9c FB |
1079 | opn = "ldl"; |
1080 | break; | |
6af0bf9c | 1081 | case OPC_LDR: |
c8c2227e | 1082 | save_cpu_state(ctx, 1); |
78723684 | 1083 | gen_load_gpr(t1, rt); |
d9bea114 | 1084 | gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx); |
78723684 | 1085 | gen_store_gpr(t1, rt); |
6af0bf9c FB |
1086 | opn = "ldr"; |
1087 | break; | |
364d4831 NF |
1088 | case OPC_LDPC: |
1089 | save_cpu_state(ctx, 1); | |
1090 | tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); | |
1091 | gen_op_addr_add(ctx, t0, t0, t1); | |
5c13fdfd | 1092 | op_ld_ld(t0, t0, ctx); |
364d4831 | 1093 | gen_store_gpr(t0, rt); |
5c13fdfd | 1094 | opn = "ldpc"; |
364d4831 | 1095 | break; |
6af0bf9c | 1096 | #endif |
364d4831 NF |
1097 | case OPC_LWPC: |
1098 | save_cpu_state(ctx, 1); | |
1099 | tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); | |
1100 | gen_op_addr_add(ctx, t0, t0, t1); | |
5c13fdfd | 1101 | op_ld_lw(t0, t0, ctx); |
364d4831 | 1102 | gen_store_gpr(t0, rt); |
5c13fdfd | 1103 | opn = "lwpc"; |
364d4831 | 1104 | break; |
6af0bf9c | 1105 | case OPC_LW: |
d66c7132 | 1106 | save_cpu_state(ctx, 0); |
5c13fdfd | 1107 | op_ld_lw(t0, t0, ctx); |
78723684 | 1108 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1109 | opn = "lw"; |
1110 | break; | |
6af0bf9c | 1111 | case OPC_LH: |
d66c7132 | 1112 | save_cpu_state(ctx, 0); |
5c13fdfd | 1113 | op_ld_lh(t0, t0, ctx); |
78723684 | 1114 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1115 | opn = "lh"; |
1116 | break; | |
6af0bf9c | 1117 | case OPC_LHU: |
d66c7132 | 1118 | save_cpu_state(ctx, 0); |
5c13fdfd | 1119 | op_ld_lhu(t0, t0, ctx); |
78723684 | 1120 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1121 | opn = "lhu"; |
1122 | break; | |
1123 | case OPC_LB: | |
d66c7132 | 1124 | save_cpu_state(ctx, 0); |
5c13fdfd | 1125 | op_ld_lb(t0, t0, ctx); |
78723684 | 1126 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1127 | opn = "lb"; |
1128 | break; | |
6af0bf9c | 1129 | case OPC_LBU: |
d66c7132 | 1130 | save_cpu_state(ctx, 0); |
5c13fdfd | 1131 | op_ld_lbu(t0, t0, ctx); |
78723684 | 1132 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1133 | opn = "lbu"; |
1134 | break; | |
1135 | case OPC_LWL: | |
c8c2227e | 1136 | save_cpu_state(ctx, 1); |
6958549d | 1137 | gen_load_gpr(t1, rt); |
d9bea114 | 1138 | gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx); |
78723684 | 1139 | gen_store_gpr(t1, rt); |
6af0bf9c FB |
1140 | opn = "lwl"; |
1141 | break; | |
6af0bf9c | 1142 | case OPC_LWR: |
c8c2227e | 1143 | save_cpu_state(ctx, 1); |
6958549d | 1144 | gen_load_gpr(t1, rt); |
d9bea114 | 1145 | gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx); |
78723684 | 1146 | gen_store_gpr(t1, rt); |
6af0bf9c FB |
1147 | opn = "lwr"; |
1148 | break; | |
6af0bf9c | 1149 | case OPC_LL: |
e7139c44 | 1150 | save_cpu_state(ctx, 1); |
5c13fdfd | 1151 | op_ld_ll(t0, t0, ctx); |
78723684 | 1152 | gen_store_gpr(t0, rt); |
6af0bf9c FB |
1153 | opn = "ll"; |
1154 | break; | |
d66c7132 AJ |
1155 | } |
1156 | MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); | |
1157 | tcg_temp_free(t0); | |
1158 | tcg_temp_free(t1); | |
1159 | } | |
1160 | ||
5c13fdfd AJ |
1161 | /* Store */ |
1162 | static void gen_st (DisasContext *ctx, uint32_t opc, int rt, | |
1163 | int base, int16_t offset) | |
1164 | { | |
1165 | const char *opn = "st"; | |
1166 | TCGv t0 = tcg_temp_new(); | |
1167 | TCGv t1 = tcg_temp_new(); | |
1168 | ||
1169 | gen_base_offset_addr(ctx, t0, base, offset); | |
1170 | gen_load_gpr(t1, rt); | |
1171 | switch (opc) { | |
1172 | #if defined(TARGET_MIPS64) | |
1173 | case OPC_SD: | |
1174 | save_cpu_state(ctx, 0); | |
1175 | op_st_sd(t1, t0, ctx); | |
1176 | opn = "sd"; | |
1177 | break; | |
1178 | case OPC_SDL: | |
1179 | save_cpu_state(ctx, 1); | |
1180 | gen_helper_2i(sdl, t1, t0, ctx->mem_idx); | |
1181 | opn = "sdl"; | |
1182 | break; | |
1183 | case OPC_SDR: | |
1184 | save_cpu_state(ctx, 1); | |
1185 | gen_helper_2i(sdr, t1, t0, ctx->mem_idx); | |
1186 | opn = "sdr"; | |
1187 | break; | |
1188 | #endif | |
1189 | case OPC_SW: | |
1190 | save_cpu_state(ctx, 0); | |
1191 | op_st_sw(t1, t0, ctx); | |
1192 | opn = "sw"; | |
1193 | break; | |
1194 | case OPC_SH: | |
1195 | save_cpu_state(ctx, 0); | |
1196 | op_st_sh(t1, t0, ctx); | |
1197 | opn = "sh"; | |
1198 | break; | |
1199 | case OPC_SB: | |
1200 | save_cpu_state(ctx, 0); | |
1201 | op_st_sb(t1, t0, ctx); | |
1202 | opn = "sb"; | |
1203 | break; | |
1204 | case OPC_SWL: | |
1205 | save_cpu_state(ctx, 1); | |
1206 | gen_helper_2i(swl, t1, t0, ctx->mem_idx); | |
1207 | opn = "swl"; | |
1208 | break; | |
1209 | case OPC_SWR: | |
1210 | save_cpu_state(ctx, 1); | |
1211 | gen_helper_2i(swr, t1, t0, ctx->mem_idx); | |
1212 | opn = "swr"; | |
1213 | break; | |
1214 | } | |
1215 | MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); | |
1216 | tcg_temp_free(t0); | |
1217 | tcg_temp_free(t1); | |
1218 | } | |
1219 | ||
1220 | ||
d66c7132 AJ |
1221 | /* Store conditional */ |
1222 | static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt, | |
1223 | int base, int16_t offset) | |
1224 | { | |
1225 | const char *opn = "st_cond"; | |
1226 | TCGv t0, t1; | |
1227 | ||
1228 | t0 = tcg_temp_local_new(); | |
1229 | ||
662d7485 | 1230 | gen_base_offset_addr(ctx, t0, base, offset); |
d66c7132 AJ |
1231 | /* Don't do NOP if destination is zero: we must perform the actual |
1232 | memory access. */ | |
1233 | ||
1234 | t1 = tcg_temp_local_new(); | |
1235 | gen_load_gpr(t1, rt); | |
1236 | switch (opc) { | |
1237 | #if defined(TARGET_MIPS64) | |
1238 | case OPC_SCD: | |
1239 | save_cpu_state(ctx, 0); | |
5c13fdfd | 1240 | op_st_scd(t1, t0, rt, ctx); |
d66c7132 AJ |
1241 | opn = "scd"; |
1242 | break; | |
1243 | #endif | |
6af0bf9c | 1244 | case OPC_SC: |
e7139c44 | 1245 | save_cpu_state(ctx, 1); |
5c13fdfd | 1246 | op_st_sc(t1, t0, rt, ctx); |
6af0bf9c FB |
1247 | opn = "sc"; |
1248 | break; | |
6af0bf9c FB |
1249 | } |
1250 | MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); | |
78723684 | 1251 | tcg_temp_free(t1); |
d66c7132 | 1252 | tcg_temp_free(t0); |
6af0bf9c FB |
1253 | } |
1254 | ||
6ea83fed | 1255 | /* Load and store */ |
7a387fff | 1256 | static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
356265ae | 1257 | int base, int16_t offset) |
6ea83fed | 1258 | { |
923617a3 | 1259 | const char *opn = "flt_ldst"; |
4e2474d6 | 1260 | TCGv t0 = tcg_temp_new(); |
6ea83fed | 1261 | |
662d7485 | 1262 | gen_base_offset_addr(ctx, t0, base, offset); |
6ea83fed | 1263 | /* Don't do NOP if destination is zero: we must perform the actual |
ead9360e | 1264 | memory access. */ |
6ea83fed FB |
1265 | switch (opc) { |
1266 | case OPC_LWC1: | |
b6d96bed | 1267 | { |
a7812ae4 | 1268 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed | 1269 | |
c407df81 AJ |
1270 | tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
1271 | tcg_gen_trunc_tl_i32(fp0, t0); | |
b6d96bed | 1272 | gen_store_fpr32(fp0, ft); |
a7812ae4 | 1273 | tcg_temp_free_i32(fp0); |
b6d96bed | 1274 | } |
6ea83fed FB |
1275 | opn = "lwc1"; |
1276 | break; | |
1277 | case OPC_SWC1: | |
b6d96bed | 1278 | { |
a7812ae4 PB |
1279 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
1280 | TCGv t1 = tcg_temp_new(); | |
b6d96bed TS |
1281 | |
1282 | gen_load_fpr32(fp0, ft); | |
a7812ae4 PB |
1283 | tcg_gen_extu_i32_tl(t1, fp0); |
1284 | tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); | |
1285 | tcg_temp_free(t1); | |
1286 | tcg_temp_free_i32(fp0); | |
b6d96bed | 1287 | } |
6ea83fed FB |
1288 | opn = "swc1"; |
1289 | break; | |
1290 | case OPC_LDC1: | |
b6d96bed | 1291 | { |
a7812ae4 | 1292 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
1293 | |
1294 | tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); | |
1295 | gen_store_fpr64(ctx, fp0, ft); | |
a7812ae4 | 1296 | tcg_temp_free_i64(fp0); |
b6d96bed | 1297 | } |
6ea83fed FB |
1298 | opn = "ldc1"; |
1299 | break; | |
1300 | case OPC_SDC1: | |
b6d96bed | 1301 | { |
a7812ae4 | 1302 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
1303 | |
1304 | gen_load_fpr64(ctx, fp0, ft); | |
1305 | tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); | |
a7812ae4 | 1306 | tcg_temp_free_i64(fp0); |
b6d96bed | 1307 | } |
6ea83fed FB |
1308 | opn = "sdc1"; |
1309 | break; | |
1310 | default: | |
923617a3 | 1311 | MIPS_INVAL(opn); |
e397ee33 | 1312 | generate_exception(ctx, EXCP_RI); |
78723684 | 1313 | goto out; |
6ea83fed FB |
1314 | } |
1315 | MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]); | |
78723684 TS |
1316 | out: |
1317 | tcg_temp_free(t0); | |
6ea83fed | 1318 | } |
6ea83fed | 1319 | |
26ebe468 NF |
1320 | static void gen_cop1_ldst(CPUState *env, DisasContext *ctx, |
1321 | uint32_t op, int rt, int rs, int16_t imm) | |
1322 | { | |
1323 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { | |
1324 | check_cp1_enabled(ctx); | |
1325 | gen_flt_ldst(ctx, op, rt, rs, imm); | |
1326 | } else { | |
1327 | generate_exception_err(ctx, EXCP_CpU, 1); | |
1328 | } | |
1329 | } | |
1330 | ||
6af0bf9c | 1331 | /* Arithmetic with immediate operand */ |
e189e748 TS |
1332 | static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
1333 | int rt, int rs, int16_t imm) | |
6af0bf9c | 1334 | { |
324d9e32 | 1335 | target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ |
923617a3 | 1336 | const char *opn = "imm arith"; |
6af0bf9c | 1337 | |
7a387fff | 1338 | if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
ead9360e TS |
1339 | /* If no destination, treat it as a NOP. |
1340 | For addi, we must generate the overflow exception when needed. */ | |
6af0bf9c | 1341 | MIPS_DEBUG("NOP"); |
324d9e32 | 1342 | return; |
6af0bf9c FB |
1343 | } |
1344 | switch (opc) { | |
1345 | case OPC_ADDI: | |
48d38ca5 | 1346 | { |
324d9e32 AJ |
1347 | TCGv t0 = tcg_temp_local_new(); |
1348 | TCGv t1 = tcg_temp_new(); | |
1349 | TCGv t2 = tcg_temp_new(); | |
48d38ca5 TS |
1350 | int l1 = gen_new_label(); |
1351 | ||
324d9e32 AJ |
1352 | gen_load_gpr(t1, rs); |
1353 | tcg_gen_addi_tl(t0, t1, uimm); | |
1354 | tcg_gen_ext32s_tl(t0, t0); | |
48d38ca5 | 1355 | |
324d9e32 AJ |
1356 | tcg_gen_xori_tl(t1, t1, ~uimm); |
1357 | tcg_gen_xori_tl(t2, t0, uimm); | |
1358 | tcg_gen_and_tl(t1, t1, t2); | |
1359 | tcg_temp_free(t2); | |
1360 | tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); | |
1361 | tcg_temp_free(t1); | |
48d38ca5 TS |
1362 | /* operands of same sign, result different sign */ |
1363 | generate_exception(ctx, EXCP_OVERFLOW); | |
1364 | gen_set_label(l1); | |
78723684 | 1365 | tcg_gen_ext32s_tl(t0, t0); |
324d9e32 AJ |
1366 | gen_store_gpr(t0, rt); |
1367 | tcg_temp_free(t0); | |
48d38ca5 | 1368 | } |
6af0bf9c FB |
1369 | opn = "addi"; |
1370 | break; | |
1371 | case OPC_ADDIU: | |
324d9e32 AJ |
1372 | if (rs != 0) { |
1373 | tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); | |
1374 | tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); | |
1375 | } else { | |
1376 | tcg_gen_movi_tl(cpu_gpr[rt], uimm); | |
1377 | } | |
6af0bf9c FB |
1378 | opn = "addiu"; |
1379 | break; | |
d26bc211 | 1380 | #if defined(TARGET_MIPS64) |
7a387fff | 1381 | case OPC_DADDI: |
48d38ca5 | 1382 | { |
324d9e32 AJ |
1383 | TCGv t0 = tcg_temp_local_new(); |
1384 | TCGv t1 = tcg_temp_new(); | |
1385 | TCGv t2 = tcg_temp_new(); | |
48d38ca5 TS |
1386 | int l1 = gen_new_label(); |
1387 | ||
324d9e32 AJ |
1388 | gen_load_gpr(t1, rs); |
1389 | tcg_gen_addi_tl(t0, t1, uimm); | |
48d38ca5 | 1390 | |
324d9e32 AJ |
1391 | tcg_gen_xori_tl(t1, t1, ~uimm); |
1392 | tcg_gen_xori_tl(t2, t0, uimm); | |
1393 | tcg_gen_and_tl(t1, t1, t2); | |
1394 | tcg_temp_free(t2); | |
1395 | tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); | |
1396 | tcg_temp_free(t1); | |
48d38ca5 TS |
1397 | /* operands of same sign, result different sign */ |
1398 | generate_exception(ctx, EXCP_OVERFLOW); | |
1399 | gen_set_label(l1); | |
324d9e32 AJ |
1400 | gen_store_gpr(t0, rt); |
1401 | tcg_temp_free(t0); | |
48d38ca5 | 1402 | } |
7a387fff TS |
1403 | opn = "daddi"; |
1404 | break; | |
1405 | case OPC_DADDIU: | |
324d9e32 AJ |
1406 | if (rs != 0) { |
1407 | tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); | |
1408 | } else { | |
1409 | tcg_gen_movi_tl(cpu_gpr[rt], uimm); | |
1410 | } | |
7a387fff TS |
1411 | opn = "daddiu"; |
1412 | break; | |
1413 | #endif | |
324d9e32 AJ |
1414 | } |
1415 | MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); | |
1416 | } | |
1417 | ||
1418 | /* Logic with immediate operand */ | |
1419 | static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) | |
1420 | { | |
1421 | target_ulong uimm; | |
1422 | const char *opn = "imm logic"; | |
1423 | ||
1424 | if (rt == 0) { | |
1425 | /* If no destination, treat it as a NOP. */ | |
1426 | MIPS_DEBUG("NOP"); | |
1427 | return; | |
1428 | } | |
1429 | uimm = (uint16_t)imm; | |
1430 | switch (opc) { | |
6af0bf9c | 1431 | case OPC_ANDI: |
324d9e32 AJ |
1432 | if (likely(rs != 0)) |
1433 | tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); | |
1434 | else | |
1435 | tcg_gen_movi_tl(cpu_gpr[rt], 0); | |
6af0bf9c FB |
1436 | opn = "andi"; |
1437 | break; | |
1438 | case OPC_ORI: | |
324d9e32 AJ |
1439 | if (rs != 0) |
1440 | tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); | |
1441 | else | |
1442 | tcg_gen_movi_tl(cpu_gpr[rt], uimm); | |
6af0bf9c FB |
1443 | opn = "ori"; |
1444 | break; | |
1445 | case OPC_XORI: | |
324d9e32 AJ |
1446 | if (likely(rs != 0)) |
1447 | tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); | |
1448 | else | |
1449 | tcg_gen_movi_tl(cpu_gpr[rt], uimm); | |
6af0bf9c FB |
1450 | opn = "xori"; |
1451 | break; | |
1452 | case OPC_LUI: | |
324d9e32 | 1453 | tcg_gen_movi_tl(cpu_gpr[rt], imm << 16); |
6af0bf9c FB |
1454 | opn = "lui"; |
1455 | break; | |
324d9e32 AJ |
1456 | } |
1457 | MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); | |
1458 | } | |
1459 | ||
1460 | /* Set on less than with immediate operand */ | |
1461 | static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) | |
1462 | { | |
1463 | target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ | |
1464 | const char *opn = "imm arith"; | |
1465 | TCGv t0; | |
1466 | ||
1467 | if (rt == 0) { | |
1468 | /* If no destination, treat it as a NOP. */ | |
1469 | MIPS_DEBUG("NOP"); | |
1470 | return; | |
1471 | } | |
1472 | t0 = tcg_temp_new(); | |
1473 | gen_load_gpr(t0, rs); | |
1474 | switch (opc) { | |
1475 | case OPC_SLTI: | |
e68dd28f | 1476 | tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm); |
324d9e32 AJ |
1477 | opn = "slti"; |
1478 | break; | |
1479 | case OPC_SLTIU: | |
e68dd28f | 1480 | tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm); |
324d9e32 AJ |
1481 | opn = "sltiu"; |
1482 | break; | |
1483 | } | |
1484 | MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); | |
1485 | tcg_temp_free(t0); | |
1486 | } | |
1487 | ||
1488 | /* Shifts with immediate operand */ | |
1489 | static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc, | |
1490 | int rt, int rs, int16_t imm) | |
1491 | { | |
1492 | target_ulong uimm = ((uint16_t)imm) & 0x1f; | |
1493 | const char *opn = "imm shift"; | |
1494 | TCGv t0; | |
1495 | ||
1496 | if (rt == 0) { | |
1497 | /* If no destination, treat it as a NOP. */ | |
1498 | MIPS_DEBUG("NOP"); | |
1499 | return; | |
1500 | } | |
1501 | ||
1502 | t0 = tcg_temp_new(); | |
1503 | gen_load_gpr(t0, rs); | |
1504 | switch (opc) { | |
6af0bf9c | 1505 | case OPC_SLL: |
78723684 | 1506 | tcg_gen_shli_tl(t0, t0, uimm); |
324d9e32 | 1507 | tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
6af0bf9c FB |
1508 | opn = "sll"; |
1509 | break; | |
1510 | case OPC_SRA: | |
324d9e32 | 1511 | tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
6af0bf9c FB |
1512 | opn = "sra"; |
1513 | break; | |
1514 | case OPC_SRL: | |
ea63e2c3 NF |
1515 | if (uimm != 0) { |
1516 | tcg_gen_ext32u_tl(t0, t0); | |
1517 | tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); | |
1518 | } else { | |
1519 | tcg_gen_ext32s_tl(cpu_gpr[rt], t0); | |
5a63bcb2 | 1520 | } |
ea63e2c3 NF |
1521 | opn = "srl"; |
1522 | break; | |
1523 | case OPC_ROTR: | |
1524 | if (uimm != 0) { | |
1525 | TCGv_i32 t1 = tcg_temp_new_i32(); | |
1526 | ||
1527 | tcg_gen_trunc_tl_i32(t1, t0); | |
1528 | tcg_gen_rotri_i32(t1, t1, uimm); | |
1529 | tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); | |
1530 | tcg_temp_free_i32(t1); | |
3399e30f NF |
1531 | } else { |
1532 | tcg_gen_ext32s_tl(cpu_gpr[rt], t0); | |
ea63e2c3 NF |
1533 | } |
1534 | opn = "rotr"; | |
7a387fff | 1535 | break; |
d26bc211 | 1536 | #if defined(TARGET_MIPS64) |
7a387fff | 1537 | case OPC_DSLL: |
324d9e32 | 1538 | tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); |
7a387fff TS |
1539 | opn = "dsll"; |
1540 | break; | |
1541 | case OPC_DSRA: | |
324d9e32 | 1542 | tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
7a387fff TS |
1543 | opn = "dsra"; |
1544 | break; | |
1545 | case OPC_DSRL: | |
ea63e2c3 NF |
1546 | tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1547 | opn = "dsrl"; | |
1548 | break; | |
1549 | case OPC_DROTR: | |
1550 | if (uimm != 0) { | |
1551 | tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); | |
3399e30f NF |
1552 | } else { |
1553 | tcg_gen_mov_tl(cpu_gpr[rt], t0); | |
5a63bcb2 | 1554 | } |
ea63e2c3 | 1555 | opn = "drotr"; |
7a387fff TS |
1556 | break; |
1557 | case OPC_DSLL32: | |
324d9e32 | 1558 | tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32); |
7a387fff TS |
1559 | opn = "dsll32"; |
1560 | break; | |
1561 | case OPC_DSRA32: | |
324d9e32 | 1562 | tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32); |
7a387fff TS |
1563 | opn = "dsra32"; |
1564 | break; | |
1565 | case OPC_DSRL32: | |
ea63e2c3 NF |
1566 | tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); |
1567 | opn = "dsrl32"; | |
1568 | break; | |
1569 | case OPC_DROTR32: | |
1570 | tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32); | |
1571 | opn = "drotr32"; | |
6af0bf9c | 1572 | break; |
7a387fff | 1573 | #endif |
6af0bf9c | 1574 | } |
93b12ccc | 1575 | MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); |
78723684 | 1576 | tcg_temp_free(t0); |
6af0bf9c FB |
1577 | } |
1578 | ||
1579 | /* Arithmetic */ | |
e189e748 | 1580 | static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
1581 | int rd, int rs, int rt) |
1582 | { | |
923617a3 | 1583 | const char *opn = "arith"; |
6af0bf9c | 1584 | |
7a387fff TS |
1585 | if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1586 | && opc != OPC_DADD && opc != OPC_DSUB) { | |
ead9360e TS |
1587 | /* If no destination, treat it as a NOP. |
1588 | For add & sub, we must generate the overflow exception when needed. */ | |
6af0bf9c | 1589 | MIPS_DEBUG("NOP"); |
460f00c4 | 1590 | return; |
185f0762 | 1591 | } |
460f00c4 | 1592 | |
6af0bf9c FB |
1593 | switch (opc) { |
1594 | case OPC_ADD: | |
48d38ca5 | 1595 | { |
460f00c4 AJ |
1596 | TCGv t0 = tcg_temp_local_new(); |
1597 | TCGv t1 = tcg_temp_new(); | |
1598 | TCGv t2 = tcg_temp_new(); | |
48d38ca5 TS |
1599 | int l1 = gen_new_label(); |
1600 | ||
460f00c4 AJ |
1601 | gen_load_gpr(t1, rs); |
1602 | gen_load_gpr(t2, rt); | |
1603 | tcg_gen_add_tl(t0, t1, t2); | |
1604 | tcg_gen_ext32s_tl(t0, t0); | |
1605 | tcg_gen_xor_tl(t1, t1, t2); | |
460f00c4 | 1606 | tcg_gen_xor_tl(t2, t0, t2); |
deb4203d | 1607 | tcg_gen_andc_tl(t1, t2, t1); |
460f00c4 AJ |
1608 | tcg_temp_free(t2); |
1609 | tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); | |
1610 | tcg_temp_free(t1); | |
48d38ca5 TS |
1611 | /* operands of same sign, result different sign */ |
1612 | generate_exception(ctx, EXCP_OVERFLOW); | |
1613 | gen_set_label(l1); | |
460f00c4 AJ |
1614 | gen_store_gpr(t0, rd); |
1615 | tcg_temp_free(t0); | |
48d38ca5 | 1616 | } |
6af0bf9c FB |
1617 | opn = "add"; |
1618 | break; | |
1619 | case OPC_ADDU: | |
460f00c4 AJ |
1620 | if (rs != 0 && rt != 0) { |
1621 | tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1622 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
1623 | } else if (rs == 0 && rt != 0) { | |
1624 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
1625 | } else if (rs != 0 && rt == 0) { | |
1626 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1627 | } else { | |
1628 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1629 | } | |
6af0bf9c FB |
1630 | opn = "addu"; |
1631 | break; | |
1632 | case OPC_SUB: | |
48d38ca5 | 1633 | { |
460f00c4 AJ |
1634 | TCGv t0 = tcg_temp_local_new(); |
1635 | TCGv t1 = tcg_temp_new(); | |
1636 | TCGv t2 = tcg_temp_new(); | |
48d38ca5 TS |
1637 | int l1 = gen_new_label(); |
1638 | ||
460f00c4 AJ |
1639 | gen_load_gpr(t1, rs); |
1640 | gen_load_gpr(t2, rt); | |
1641 | tcg_gen_sub_tl(t0, t1, t2); | |
1642 | tcg_gen_ext32s_tl(t0, t0); | |
1643 | tcg_gen_xor_tl(t2, t1, t2); | |
1644 | tcg_gen_xor_tl(t1, t0, t1); | |
1645 | tcg_gen_and_tl(t1, t1, t2); | |
1646 | tcg_temp_free(t2); | |
1647 | tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); | |
1648 | tcg_temp_free(t1); | |
31e3104f | 1649 | /* operands of different sign, first operand and result different sign */ |
48d38ca5 TS |
1650 | generate_exception(ctx, EXCP_OVERFLOW); |
1651 | gen_set_label(l1); | |
460f00c4 AJ |
1652 | gen_store_gpr(t0, rd); |
1653 | tcg_temp_free(t0); | |
48d38ca5 | 1654 | } |
6af0bf9c FB |
1655 | opn = "sub"; |
1656 | break; | |
1657 | case OPC_SUBU: | |
460f00c4 AJ |
1658 | if (rs != 0 && rt != 0) { |
1659 | tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1660 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
1661 | } else if (rs == 0 && rt != 0) { | |
1662 | tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
6bb72b18 | 1663 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
460f00c4 AJ |
1664 | } else if (rs != 0 && rt == 0) { |
1665 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1666 | } else { | |
1667 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1668 | } | |
6af0bf9c FB |
1669 | opn = "subu"; |
1670 | break; | |
d26bc211 | 1671 | #if defined(TARGET_MIPS64) |
7a387fff | 1672 | case OPC_DADD: |
48d38ca5 | 1673 | { |
460f00c4 AJ |
1674 | TCGv t0 = tcg_temp_local_new(); |
1675 | TCGv t1 = tcg_temp_new(); | |
1676 | TCGv t2 = tcg_temp_new(); | |
48d38ca5 TS |
1677 | int l1 = gen_new_label(); |
1678 | ||
460f00c4 AJ |
1679 | gen_load_gpr(t1, rs); |
1680 | gen_load_gpr(t2, rt); | |
1681 | tcg_gen_add_tl(t0, t1, t2); | |
1682 | tcg_gen_xor_tl(t1, t1, t2); | |
460f00c4 | 1683 | tcg_gen_xor_tl(t2, t0, t2); |
deb4203d | 1684 | tcg_gen_andc_tl(t1, t2, t1); |
460f00c4 AJ |
1685 | tcg_temp_free(t2); |
1686 | tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); | |
1687 | tcg_temp_free(t1); | |
48d38ca5 TS |
1688 | /* operands of same sign, result different sign */ |
1689 | generate_exception(ctx, EXCP_OVERFLOW); | |
1690 | gen_set_label(l1); | |
460f00c4 AJ |
1691 | gen_store_gpr(t0, rd); |
1692 | tcg_temp_free(t0); | |
48d38ca5 | 1693 | } |
7a387fff TS |
1694 | opn = "dadd"; |
1695 | break; | |
1696 | case OPC_DADDU: | |
460f00c4 AJ |
1697 | if (rs != 0 && rt != 0) { |
1698 | tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1699 | } else if (rs == 0 && rt != 0) { | |
1700 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
1701 | } else if (rs != 0 && rt == 0) { | |
1702 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1703 | } else { | |
1704 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1705 | } | |
7a387fff TS |
1706 | opn = "daddu"; |
1707 | break; | |
1708 | case OPC_DSUB: | |
48d38ca5 | 1709 | { |
460f00c4 AJ |
1710 | TCGv t0 = tcg_temp_local_new(); |
1711 | TCGv t1 = tcg_temp_new(); | |
1712 | TCGv t2 = tcg_temp_new(); | |
48d38ca5 TS |
1713 | int l1 = gen_new_label(); |
1714 | ||
460f00c4 AJ |
1715 | gen_load_gpr(t1, rs); |
1716 | gen_load_gpr(t2, rt); | |
1717 | tcg_gen_sub_tl(t0, t1, t2); | |
1718 | tcg_gen_xor_tl(t2, t1, t2); | |
1719 | tcg_gen_xor_tl(t1, t0, t1); | |
1720 | tcg_gen_and_tl(t1, t1, t2); | |
1721 | tcg_temp_free(t2); | |
1722 | tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); | |
1723 | tcg_temp_free(t1); | |
31e3104f | 1724 | /* operands of different sign, first operand and result different sign */ |
48d38ca5 TS |
1725 | generate_exception(ctx, EXCP_OVERFLOW); |
1726 | gen_set_label(l1); | |
460f00c4 AJ |
1727 | gen_store_gpr(t0, rd); |
1728 | tcg_temp_free(t0); | |
48d38ca5 | 1729 | } |
7a387fff TS |
1730 | opn = "dsub"; |
1731 | break; | |
1732 | case OPC_DSUBU: | |
460f00c4 AJ |
1733 | if (rs != 0 && rt != 0) { |
1734 | tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1735 | } else if (rs == 0 && rt != 0) { | |
1736 | tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
1737 | } else if (rs != 0 && rt == 0) { | |
1738 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1739 | } else { | |
1740 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1741 | } | |
7a387fff TS |
1742 | opn = "dsubu"; |
1743 | break; | |
1744 | #endif | |
460f00c4 AJ |
1745 | case OPC_MUL: |
1746 | if (likely(rs != 0 && rt != 0)) { | |
1747 | tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1748 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
1749 | } else { | |
1750 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1751 | } | |
1752 | opn = "mul"; | |
6af0bf9c | 1753 | break; |
460f00c4 AJ |
1754 | } |
1755 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); | |
1756 | } | |
1757 | ||
1758 | /* Conditional move */ | |
1759 | static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt) | |
1760 | { | |
1761 | const char *opn = "cond move"; | |
1762 | int l1; | |
1763 | ||
1764 | if (rd == 0) { | |
1765 | /* If no destination, treat it as a NOP. | |
1766 | For add & sub, we must generate the overflow exception when needed. */ | |
1767 | MIPS_DEBUG("NOP"); | |
1768 | return; | |
1769 | } | |
1770 | ||
1771 | l1 = gen_new_label(); | |
1772 | switch (opc) { | |
1773 | case OPC_MOVN: | |
1774 | if (likely(rt != 0)) | |
1775 | tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1); | |
1776 | else | |
1777 | tcg_gen_br(l1); | |
1778 | opn = "movn"; | |
6af0bf9c | 1779 | break; |
460f00c4 AJ |
1780 | case OPC_MOVZ: |
1781 | if (likely(rt != 0)) | |
1782 | tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1); | |
1783 | opn = "movz"; | |
1784 | break; | |
1785 | } | |
1786 | if (rs != 0) | |
1787 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1788 | else | |
1789 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1790 | gen_set_label(l1); | |
1791 | ||
1792 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); | |
1793 | } | |
1794 | ||
1795 | /* Logic */ | |
1796 | static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt) | |
1797 | { | |
1798 | const char *opn = "logic"; | |
1799 | ||
1800 | if (rd == 0) { | |
1801 | /* If no destination, treat it as a NOP. */ | |
1802 | MIPS_DEBUG("NOP"); | |
1803 | return; | |
1804 | } | |
1805 | ||
1806 | switch (opc) { | |
6af0bf9c | 1807 | case OPC_AND: |
460f00c4 AJ |
1808 | if (likely(rs != 0 && rt != 0)) { |
1809 | tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1810 | } else { | |
1811 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1812 | } | |
6af0bf9c FB |
1813 | opn = "and"; |
1814 | break; | |
1815 | case OPC_NOR: | |
460f00c4 AJ |
1816 | if (rs != 0 && rt != 0) { |
1817 | tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1818 | } else if (rs == 0 && rt != 0) { | |
1819 | tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
1820 | } else if (rs != 0 && rt == 0) { | |
1821 | tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1822 | } else { | |
1823 | tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0)); | |
1824 | } | |
6af0bf9c FB |
1825 | opn = "nor"; |
1826 | break; | |
1827 | case OPC_OR: | |
460f00c4 AJ |
1828 | if (likely(rs != 0 && rt != 0)) { |
1829 | tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1830 | } else if (rs == 0 && rt != 0) { | |
1831 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
1832 | } else if (rs != 0 && rt == 0) { | |
1833 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1834 | } else { | |
1835 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1836 | } | |
6af0bf9c FB |
1837 | opn = "or"; |
1838 | break; | |
1839 | case OPC_XOR: | |
460f00c4 AJ |
1840 | if (likely(rs != 0 && rt != 0)) { |
1841 | tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); | |
1842 | } else if (rs == 0 && rt != 0) { | |
1843 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); | |
1844 | } else if (rs != 0 && rt == 0) { | |
1845 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
1846 | } else { | |
1847 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
1848 | } | |
6af0bf9c FB |
1849 | opn = "xor"; |
1850 | break; | |
460f00c4 AJ |
1851 | } |
1852 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); | |
1853 | } | |
1854 | ||
1855 | /* Set on lower than */ | |
1856 | static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt) | |
1857 | { | |
1858 | const char *opn = "slt"; | |
1859 | TCGv t0, t1; | |
1860 | ||
1861 | if (rd == 0) { | |
1862 | /* If no destination, treat it as a NOP. */ | |
1863 | MIPS_DEBUG("NOP"); | |
1864 | return; | |
1865 | } | |
1866 | ||
1867 | t0 = tcg_temp_new(); | |
1868 | t1 = tcg_temp_new(); | |
1869 | gen_load_gpr(t0, rs); | |
1870 | gen_load_gpr(t1, rt); | |
1871 | switch (opc) { | |
1872 | case OPC_SLT: | |
e68dd28f | 1873 | tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1); |
460f00c4 | 1874 | opn = "slt"; |
6af0bf9c | 1875 | break; |
460f00c4 | 1876 | case OPC_SLTU: |
e68dd28f | 1877 | tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1); |
460f00c4 AJ |
1878 | opn = "sltu"; |
1879 | break; | |
1880 | } | |
1881 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); | |
1882 | tcg_temp_free(t0); | |
1883 | tcg_temp_free(t1); | |
1884 | } | |
20c4c97c | 1885 | |
460f00c4 AJ |
1886 | /* Shifts */ |
1887 | static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc, | |
1888 | int rd, int rs, int rt) | |
1889 | { | |
1890 | const char *opn = "shifts"; | |
1891 | TCGv t0, t1; | |
20c4c97c | 1892 | |
460f00c4 AJ |
1893 | if (rd == 0) { |
1894 | /* If no destination, treat it as a NOP. | |
1895 | For add & sub, we must generate the overflow exception when needed. */ | |
1896 | MIPS_DEBUG("NOP"); | |
1897 | return; | |
1898 | } | |
1899 | ||
1900 | t0 = tcg_temp_new(); | |
1901 | t1 = tcg_temp_new(); | |
1902 | gen_load_gpr(t0, rs); | |
1903 | gen_load_gpr(t1, rt); | |
1904 | switch (opc) { | |
6af0bf9c | 1905 | case OPC_SLLV: |
78723684 TS |
1906 | tcg_gen_andi_tl(t0, t0, 0x1f); |
1907 | tcg_gen_shl_tl(t0, t1, t0); | |
460f00c4 | 1908 | tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
6af0bf9c FB |
1909 | opn = "sllv"; |
1910 | break; | |
1911 | case OPC_SRAV: | |
78723684 | 1912 | tcg_gen_andi_tl(t0, t0, 0x1f); |
460f00c4 | 1913 | tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
6af0bf9c FB |
1914 | opn = "srav"; |
1915 | break; | |
1916 | case OPC_SRLV: | |
ea63e2c3 NF |
1917 | tcg_gen_ext32u_tl(t1, t1); |
1918 | tcg_gen_andi_tl(t0, t0, 0x1f); | |
1919 | tcg_gen_shr_tl(t0, t1, t0); | |
1920 | tcg_gen_ext32s_tl(cpu_gpr[rd], t0); | |
1921 | opn = "srlv"; | |
1922 | break; | |
1923 | case OPC_ROTRV: | |
1924 | { | |
1925 | TCGv_i32 t2 = tcg_temp_new_i32(); | |
1926 | TCGv_i32 t3 = tcg_temp_new_i32(); | |
1927 | ||
1928 | tcg_gen_trunc_tl_i32(t2, t0); | |
1929 | tcg_gen_trunc_tl_i32(t3, t1); | |
1930 | tcg_gen_andi_i32(t2, t2, 0x1f); | |
1931 | tcg_gen_rotr_i32(t2, t3, t2); | |
1932 | tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); | |
1933 | tcg_temp_free_i32(t2); | |
1934 | tcg_temp_free_i32(t3); | |
1935 | opn = "rotrv"; | |
5a63bcb2 | 1936 | } |
7a387fff | 1937 | break; |
d26bc211 | 1938 | #if defined(TARGET_MIPS64) |
7a387fff | 1939 | case OPC_DSLLV: |
78723684 | 1940 | tcg_gen_andi_tl(t0, t0, 0x3f); |
460f00c4 | 1941 | tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); |
7a387fff TS |
1942 | opn = "dsllv"; |
1943 | break; | |
1944 | case OPC_DSRAV: | |
78723684 | 1945 | tcg_gen_andi_tl(t0, t0, 0x3f); |
460f00c4 | 1946 | tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
7a387fff TS |
1947 | opn = "dsrav"; |
1948 | break; | |
1949 | case OPC_DSRLV: | |
ea63e2c3 NF |
1950 | tcg_gen_andi_tl(t0, t0, 0x3f); |
1951 | tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); | |
1952 | opn = "dsrlv"; | |
1953 | break; | |
1954 | case OPC_DROTRV: | |
1955 | tcg_gen_andi_tl(t0, t0, 0x3f); | |
1956 | tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); | |
1957 | opn = "drotrv"; | |
6af0bf9c | 1958 | break; |
7a387fff | 1959 | #endif |
6af0bf9c | 1960 | } |
6af0bf9c | 1961 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
78723684 TS |
1962 | tcg_temp_free(t0); |
1963 | tcg_temp_free(t1); | |
6af0bf9c FB |
1964 | } |
1965 | ||
1966 | /* Arithmetic on HI/LO registers */ | |
7a387fff | 1967 | static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
6af0bf9c | 1968 | { |
923617a3 | 1969 | const char *opn = "hilo"; |
6af0bf9c FB |
1970 | |
1971 | if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { | |
ead9360e | 1972 | /* Treat as NOP. */ |
6af0bf9c | 1973 | MIPS_DEBUG("NOP"); |
a1f6684d | 1974 | return; |
6af0bf9c FB |
1975 | } |
1976 | switch (opc) { | |
1977 | case OPC_MFHI: | |
a1f6684d | 1978 | tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]); |
6af0bf9c FB |
1979 | opn = "mfhi"; |
1980 | break; | |
1981 | case OPC_MFLO: | |
a1f6684d | 1982 | tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]); |
6af0bf9c FB |
1983 | opn = "mflo"; |
1984 | break; | |
1985 | case OPC_MTHI: | |
a1f6684d AJ |
1986 | if (reg != 0) |
1987 | tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]); | |
1988 | else | |
1989 | tcg_gen_movi_tl(cpu_HI[0], 0); | |
6af0bf9c FB |
1990 | opn = "mthi"; |
1991 | break; | |
1992 | case OPC_MTLO: | |
a1f6684d AJ |
1993 | if (reg != 0) |
1994 | tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]); | |
1995 | else | |
1996 | tcg_gen_movi_tl(cpu_LO[0], 0); | |
6af0bf9c FB |
1997 | opn = "mtlo"; |
1998 | break; | |
6af0bf9c FB |
1999 | } |
2000 | MIPS_DEBUG("%s %s", opn, regnames[reg]); | |
2001 | } | |
2002 | ||
7a387fff | 2003 | static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
2004 | int rs, int rt) |
2005 | { | |
923617a3 | 2006 | const char *opn = "mul/div"; |
d45f89f4 AJ |
2007 | TCGv t0, t1; |
2008 | ||
2009 | switch (opc) { | |
2010 | case OPC_DIV: | |
2011 | case OPC_DIVU: | |
2012 | #if defined(TARGET_MIPS64) | |
2013 | case OPC_DDIV: | |
2014 | case OPC_DDIVU: | |
2015 | #endif | |
2016 | t0 = tcg_temp_local_new(); | |
2017 | t1 = tcg_temp_local_new(); | |
2018 | break; | |
2019 | default: | |
2020 | t0 = tcg_temp_new(); | |
2021 | t1 = tcg_temp_new(); | |
2022 | break; | |
2023 | } | |
6af0bf9c | 2024 | |
78723684 TS |
2025 | gen_load_gpr(t0, rs); |
2026 | gen_load_gpr(t1, rt); | |
6af0bf9c FB |
2027 | switch (opc) { |
2028 | case OPC_DIV: | |
48d38ca5 TS |
2029 | { |
2030 | int l1 = gen_new_label(); | |
d45f89f4 | 2031 | int l2 = gen_new_label(); |
48d38ca5 | 2032 | |
d45f89f4 AJ |
2033 | tcg_gen_ext32s_tl(t0, t0); |
2034 | tcg_gen_ext32s_tl(t1, t1); | |
78723684 | 2035 | tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
d45f89f4 AJ |
2036 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
2037 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); | |
2038 | ||
2039 | tcg_gen_mov_tl(cpu_LO[0], t0); | |
2040 | tcg_gen_movi_tl(cpu_HI[0], 0); | |
2041 | tcg_gen_br(l1); | |
2042 | gen_set_label(l2); | |
2043 | tcg_gen_div_tl(cpu_LO[0], t0, t1); | |
2044 | tcg_gen_rem_tl(cpu_HI[0], t0, t1); | |
2045 | tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); | |
2046 | tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); | |
48d38ca5 TS |
2047 | gen_set_label(l1); |
2048 | } | |
6af0bf9c FB |
2049 | opn = "div"; |
2050 | break; | |
2051 | case OPC_DIVU: | |
48d38ca5 TS |
2052 | { |
2053 | int l1 = gen_new_label(); | |
2054 | ||
0c0ed03b AJ |
2055 | tcg_gen_ext32u_tl(t0, t0); |
2056 | tcg_gen_ext32u_tl(t1, t1); | |
78723684 | 2057 | tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
d45f89f4 AJ |
2058 | tcg_gen_divu_tl(cpu_LO[0], t0, t1); |
2059 | tcg_gen_remu_tl(cpu_HI[0], t0, t1); | |
2060 | tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); | |
2061 | tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); | |
48d38ca5 TS |
2062 | gen_set_label(l1); |
2063 | } | |
6af0bf9c FB |
2064 | opn = "divu"; |
2065 | break; | |
2066 | case OPC_MULT: | |
214c465f | 2067 | { |
d45f89f4 AJ |
2068 | TCGv_i64 t2 = tcg_temp_new_i64(); |
2069 | TCGv_i64 t3 = tcg_temp_new_i64(); | |
2070 | ||
2071 | tcg_gen_ext_tl_i64(t2, t0); | |
2072 | tcg_gen_ext_tl_i64(t3, t1); | |
2073 | tcg_gen_mul_i64(t2, t2, t3); | |
2074 | tcg_temp_free_i64(t3); | |
2075 | tcg_gen_trunc_i64_tl(t0, t2); | |
2076 | tcg_gen_shri_i64(t2, t2, 32); | |
2077 | tcg_gen_trunc_i64_tl(t1, t2); | |
2078 | tcg_temp_free_i64(t2); | |
b10fa3c9 AJ |
2079 | tcg_gen_ext32s_tl(cpu_LO[0], t0); |
2080 | tcg_gen_ext32s_tl(cpu_HI[0], t1); | |
214c465f | 2081 | } |
6af0bf9c FB |
2082 | opn = "mult"; |
2083 | break; | |
2084 | case OPC_MULTU: | |
214c465f | 2085 | { |
d45f89f4 AJ |
2086 | TCGv_i64 t2 = tcg_temp_new_i64(); |
2087 | TCGv_i64 t3 = tcg_temp_new_i64(); | |
214c465f | 2088 | |
78723684 TS |
2089 | tcg_gen_ext32u_tl(t0, t0); |
2090 | tcg_gen_ext32u_tl(t1, t1); | |
d45f89f4 AJ |
2091 | tcg_gen_extu_tl_i64(t2, t0); |
2092 | tcg_gen_extu_tl_i64(t3, t1); | |
2093 | tcg_gen_mul_i64(t2, t2, t3); | |
2094 | tcg_temp_free_i64(t3); | |
2095 | tcg_gen_trunc_i64_tl(t0, t2); | |
2096 | tcg_gen_shri_i64(t2, t2, 32); | |
2097 | tcg_gen_trunc_i64_tl(t1, t2); | |
2098 | tcg_temp_free_i64(t2); | |
b10fa3c9 AJ |
2099 | tcg_gen_ext32s_tl(cpu_LO[0], t0); |
2100 | tcg_gen_ext32s_tl(cpu_HI[0], t1); | |
214c465f | 2101 | } |
6af0bf9c FB |
2102 | opn = "multu"; |
2103 | break; | |
d26bc211 | 2104 | #if defined(TARGET_MIPS64) |
7a387fff | 2105 | case OPC_DDIV: |
48d38ca5 TS |
2106 | { |
2107 | int l1 = gen_new_label(); | |
d45f89f4 | 2108 | int l2 = gen_new_label(); |
48d38ca5 | 2109 | |
78723684 | 2110 | tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
d45f89f4 AJ |
2111 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
2112 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); | |
2113 | tcg_gen_mov_tl(cpu_LO[0], t0); | |
2114 | tcg_gen_movi_tl(cpu_HI[0], 0); | |
2115 | tcg_gen_br(l1); | |
2116 | gen_set_label(l2); | |
2117 | tcg_gen_div_i64(cpu_LO[0], t0, t1); | |
2118 | tcg_gen_rem_i64(cpu_HI[0], t0, t1); | |
48d38ca5 TS |
2119 | gen_set_label(l1); |
2120 | } | |
7a387fff TS |
2121 | opn = "ddiv"; |
2122 | break; | |
2123 | case OPC_DDIVU: | |
48d38ca5 TS |
2124 | { |
2125 | int l1 = gen_new_label(); | |
2126 | ||
78723684 | 2127 | tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
b10fa3c9 AJ |
2128 | tcg_gen_divu_i64(cpu_LO[0], t0, t1); |
2129 | tcg_gen_remu_i64(cpu_HI[0], t0, t1); | |
48d38ca5 TS |
2130 | gen_set_label(l1); |
2131 | } | |
7a387fff TS |
2132 | opn = "ddivu"; |
2133 | break; | |
2134 | case OPC_DMULT: | |
a7812ae4 | 2135 | gen_helper_dmult(t0, t1); |
7a387fff TS |
2136 | opn = "dmult"; |
2137 | break; | |
2138 | case OPC_DMULTU: | |
a7812ae4 | 2139 | gen_helper_dmultu(t0, t1); |
7a387fff TS |
2140 | opn = "dmultu"; |
2141 | break; | |
2142 | #endif | |
6af0bf9c | 2143 | case OPC_MADD: |
214c465f | 2144 | { |
d45f89f4 AJ |
2145 | TCGv_i64 t2 = tcg_temp_new_i64(); |
2146 | TCGv_i64 t3 = tcg_temp_new_i64(); | |
2147 | ||
2148 | tcg_gen_ext_tl_i64(t2, t0); | |
2149 | tcg_gen_ext_tl_i64(t3, t1); | |
2150 | tcg_gen_mul_i64(t2, t2, t3); | |
2151 | tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); | |
2152 | tcg_gen_add_i64(t2, t2, t3); | |
2153 | tcg_temp_free_i64(t3); | |
2154 | tcg_gen_trunc_i64_tl(t0, t2); | |
2155 | tcg_gen_shri_i64(t2, t2, 32); | |
2156 | tcg_gen_trunc_i64_tl(t1, t2); | |
2157 | tcg_temp_free_i64(t2); | |
b10fa3c9 | 2158 | tcg_gen_ext32s_tl(cpu_LO[0], t0); |
98070ce0 | 2159 | tcg_gen_ext32s_tl(cpu_HI[0], t1); |
214c465f | 2160 | } |
6af0bf9c FB |
2161 | opn = "madd"; |
2162 | break; | |
2163 | case OPC_MADDU: | |
214c465f | 2164 | { |
d45f89f4 AJ |
2165 | TCGv_i64 t2 = tcg_temp_new_i64(); |
2166 | TCGv_i64 t3 = tcg_temp_new_i64(); | |
214c465f | 2167 | |
78723684 TS |
2168 | tcg_gen_ext32u_tl(t0, t0); |
2169 | tcg_gen_ext32u_tl(t1, t1); | |
d45f89f4 AJ |
2170 | tcg_gen_extu_tl_i64(t2, t0); |
2171 | tcg_gen_extu_tl_i64(t3, t1); | |
2172 | tcg_gen_mul_i64(t2, t2, t3); | |
2173 | tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); | |
2174 | tcg_gen_add_i64(t2, t2, t3); | |
2175 | tcg_temp_free_i64(t3); | |
2176 | tcg_gen_trunc_i64_tl(t0, t2); | |
2177 | tcg_gen_shri_i64(t2, t2, 32); | |
2178 | tcg_gen_trunc_i64_tl(t1, t2); | |
2179 | tcg_temp_free_i64(t2); | |
b10fa3c9 AJ |
2180 | tcg_gen_ext32s_tl(cpu_LO[0], t0); |
2181 | tcg_gen_ext32s_tl(cpu_HI[0], t1); | |
214c465f | 2182 | } |
6af0bf9c FB |
2183 | opn = "maddu"; |
2184 | break; | |
2185 | case OPC_MSUB: | |
214c465f | 2186 | { |
d45f89f4 AJ |
2187 | TCGv_i64 t2 = tcg_temp_new_i64(); |
2188 | TCGv_i64 t3 = tcg_temp_new_i64(); | |
2189 | ||
2190 | tcg_gen_ext_tl_i64(t2, t0); | |
2191 | tcg_gen_ext_tl_i64(t3, t1); | |
2192 | tcg_gen_mul_i64(t2, t2, t3); | |
2193 | tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); | |
98070ce0 | 2194 | tcg_gen_sub_i64(t2, t3, t2); |
d45f89f4 AJ |
2195 | tcg_temp_free_i64(t3); |
2196 | tcg_gen_trunc_i64_tl(t0, t2); | |
2197 | tcg_gen_shri_i64(t2, t2, 32); | |
2198 | tcg_gen_trunc_i64_tl(t1, t2); | |
2199 | tcg_temp_free_i64(t2); | |
b10fa3c9 AJ |
2200 | tcg_gen_ext32s_tl(cpu_LO[0], t0); |
2201 | tcg_gen_ext32s_tl(cpu_HI[0], t1); | |
214c465f | 2202 | } |
6af0bf9c FB |
2203 | opn = "msub"; |
2204 | break; | |
2205 | case OPC_MSUBU: | |
214c465f | 2206 | { |
d45f89f4 AJ |
2207 | TCGv_i64 t2 = tcg_temp_new_i64(); |
2208 | TCGv_i64 t3 = tcg_temp_new_i64(); | |
214c465f | 2209 | |
78723684 TS |
2210 | tcg_gen_ext32u_tl(t0, t0); |
2211 | tcg_gen_ext32u_tl(t1, t1); | |
d45f89f4 AJ |
2212 | tcg_gen_extu_tl_i64(t2, t0); |
2213 | tcg_gen_extu_tl_i64(t3, t1); | |
2214 | tcg_gen_mul_i64(t2, t2, t3); | |
2215 | tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); | |
98070ce0 | 2216 | tcg_gen_sub_i64(t2, t3, t2); |
d45f89f4 AJ |
2217 | tcg_temp_free_i64(t3); |
2218 | tcg_gen_trunc_i64_tl(t0, t2); | |
2219 | tcg_gen_shri_i64(t2, t2, 32); | |
2220 | tcg_gen_trunc_i64_tl(t1, t2); | |
2221 | tcg_temp_free_i64(t2); | |
b10fa3c9 AJ |
2222 | tcg_gen_ext32s_tl(cpu_LO[0], t0); |
2223 | tcg_gen_ext32s_tl(cpu_HI[0], t1); | |
214c465f | 2224 | } |
6af0bf9c FB |
2225 | opn = "msubu"; |
2226 | break; | |
2227 | default: | |
923617a3 | 2228 | MIPS_INVAL(opn); |
6af0bf9c | 2229 | generate_exception(ctx, EXCP_RI); |
78723684 | 2230 | goto out; |
6af0bf9c FB |
2231 | } |
2232 | MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]); | |
78723684 TS |
2233 | out: |
2234 | tcg_temp_free(t0); | |
2235 | tcg_temp_free(t1); | |
6af0bf9c FB |
2236 | } |
2237 | ||
e9c71dd1 TS |
2238 | static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
2239 | int rd, int rs, int rt) | |
2240 | { | |
2241 | const char *opn = "mul vr54xx"; | |
f157bfe1 AJ |
2242 | TCGv t0 = tcg_temp_new(); |
2243 | TCGv t1 = tcg_temp_new(); | |
e9c71dd1 | 2244 | |
6c5c1e20 TS |
2245 | gen_load_gpr(t0, rs); |
2246 | gen_load_gpr(t1, rt); | |
e9c71dd1 TS |
2247 | |
2248 | switch (opc) { | |
2249 | case OPC_VR54XX_MULS: | |
a7812ae4 | 2250 | gen_helper_muls(t0, t0, t1); |
e9c71dd1 | 2251 | opn = "muls"; |
6958549d | 2252 | break; |
e9c71dd1 | 2253 | case OPC_VR54XX_MULSU: |
a7812ae4 | 2254 | gen_helper_mulsu(t0, t0, t1); |
e9c71dd1 | 2255 | opn = "mulsu"; |
6958549d | 2256 | break; |
e9c71dd1 | 2257 | case OPC_VR54XX_MACC: |
a7812ae4 | 2258 | gen_helper_macc(t0, t0, t1); |
e9c71dd1 | 2259 | opn = "macc"; |
6958549d | 2260 | break; |
e9c71dd1 | 2261 | case OPC_VR54XX_MACCU: |
a7812ae4 | 2262 | gen_helper_maccu(t0, t0, t1); |
e9c71dd1 | 2263 | opn = "maccu"; |
6958549d | 2264 | break; |
e9c71dd1 | 2265 | case OPC_VR54XX_MSAC: |
a7812ae4 | 2266 | gen_helper_msac(t0, t0, t1); |
e9c71dd1 | 2267 | opn = "msac"; |
6958549d | 2268 | break; |
e9c71dd1 | 2269 | case OPC_VR54XX_MSACU: |
a7812ae4 | 2270 | gen_helper_msacu(t0, t0, t1); |
e9c71dd1 | 2271 | opn = "msacu"; |
6958549d | 2272 | break; |
e9c71dd1 | 2273 | case OPC_VR54XX_MULHI: |
a7812ae4 | 2274 | gen_helper_mulhi(t0, t0, t1); |
e9c71dd1 | 2275 | opn = "mulhi"; |
6958549d | 2276 | break; |
e9c71dd1 | 2277 | case OPC_VR54XX_MULHIU: |
a7812ae4 | 2278 | gen_helper_mulhiu(t0, t0, t1); |
e9c71dd1 | 2279 | opn = "mulhiu"; |
6958549d | 2280 | break; |
e9c71dd1 | 2281 | case OPC_VR54XX_MULSHI: |
a7812ae4 | 2282 | gen_helper_mulshi(t0, t0, t1); |
e9c71dd1 | 2283 | opn = "mulshi"; |
6958549d | 2284 | break; |
e9c71dd1 | 2285 | case OPC_VR54XX_MULSHIU: |
a7812ae4 | 2286 | gen_helper_mulshiu(t0, t0, t1); |
e9c71dd1 | 2287 | opn = "mulshiu"; |
6958549d | 2288 | break; |
e9c71dd1 | 2289 | case OPC_VR54XX_MACCHI: |
a7812ae4 | 2290 | gen_helper_macchi(t0, t0, t1); |
e9c71dd1 | 2291 | opn = "macchi"; |
6958549d | 2292 | break; |
e9c71dd1 | 2293 | case OPC_VR54XX_MACCHIU: |
a7812ae4 | 2294 | gen_helper_macchiu(t0, t0, t1); |
e9c71dd1 | 2295 | opn = "macchiu"; |
6958549d | 2296 | break; |
e9c71dd1 | 2297 | case OPC_VR54XX_MSACHI: |
a7812ae4 | 2298 | gen_helper_msachi(t0, t0, t1); |
e9c71dd1 | 2299 | opn = "msachi"; |
6958549d | 2300 | break; |
e9c71dd1 | 2301 | case OPC_VR54XX_MSACHIU: |
a7812ae4 | 2302 | gen_helper_msachiu(t0, t0, t1); |
e9c71dd1 | 2303 | opn = "msachiu"; |
6958549d | 2304 | break; |
e9c71dd1 TS |
2305 | default: |
2306 | MIPS_INVAL("mul vr54xx"); | |
2307 | generate_exception(ctx, EXCP_RI); | |
6c5c1e20 | 2308 | goto out; |
e9c71dd1 | 2309 | } |
6c5c1e20 | 2310 | gen_store_gpr(t0, rd); |
e9c71dd1 | 2311 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
6c5c1e20 TS |
2312 | |
2313 | out: | |
2314 | tcg_temp_free(t0); | |
2315 | tcg_temp_free(t1); | |
e9c71dd1 TS |
2316 | } |
2317 | ||
7a387fff | 2318 | static void gen_cl (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
2319 | int rd, int rs) |
2320 | { | |
923617a3 | 2321 | const char *opn = "CLx"; |
20e1fb52 | 2322 | TCGv t0; |
6c5c1e20 | 2323 | |
6af0bf9c | 2324 | if (rd == 0) { |
ead9360e | 2325 | /* Treat as NOP. */ |
6af0bf9c | 2326 | MIPS_DEBUG("NOP"); |
20e1fb52 | 2327 | return; |
6af0bf9c | 2328 | } |
20e1fb52 | 2329 | t0 = tcg_temp_new(); |
6c5c1e20 | 2330 | gen_load_gpr(t0, rs); |
6af0bf9c FB |
2331 | switch (opc) { |
2332 | case OPC_CLO: | |
20e1fb52 | 2333 | gen_helper_clo(cpu_gpr[rd], t0); |
6af0bf9c FB |
2334 | opn = "clo"; |
2335 | break; | |
2336 | case OPC_CLZ: | |
20e1fb52 | 2337 | gen_helper_clz(cpu_gpr[rd], t0); |
6af0bf9c FB |
2338 | opn = "clz"; |
2339 | break; | |
d26bc211 | 2340 | #if defined(TARGET_MIPS64) |
7a387fff | 2341 | case OPC_DCLO: |
20e1fb52 | 2342 | gen_helper_dclo(cpu_gpr[rd], t0); |
7a387fff TS |
2343 | opn = "dclo"; |
2344 | break; | |
2345 | case OPC_DCLZ: | |
20e1fb52 | 2346 | gen_helper_dclz(cpu_gpr[rd], t0); |
7a387fff TS |
2347 | opn = "dclz"; |
2348 | break; | |
2349 | #endif | |
6af0bf9c | 2350 | } |
6af0bf9c | 2351 | MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); |
6c5c1e20 | 2352 | tcg_temp_free(t0); |
6af0bf9c FB |
2353 | } |
2354 | ||
161f85e6 AJ |
2355 | /* Godson integer instructions */ |
2356 | static void gen_loongson_integer (DisasContext *ctx, uint32_t opc, | |
2357 | int rd, int rs, int rt) | |
2358 | { | |
2359 | const char *opn = "loongson"; | |
2360 | TCGv t0, t1; | |
2361 | ||
2362 | if (rd == 0) { | |
2363 | /* Treat as NOP. */ | |
2364 | MIPS_DEBUG("NOP"); | |
2365 | return; | |
2366 | } | |
2367 | ||
2368 | switch (opc) { | |
2369 | case OPC_MULT_G_2E: | |
2370 | case OPC_MULT_G_2F: | |
2371 | case OPC_MULTU_G_2E: | |
2372 | case OPC_MULTU_G_2F: | |
2373 | #if defined(TARGET_MIPS64) | |
2374 | case OPC_DMULT_G_2E: | |
2375 | case OPC_DMULT_G_2F: | |
2376 | case OPC_DMULTU_G_2E: | |
2377 | case OPC_DMULTU_G_2F: | |
2378 | #endif | |
2379 | t0 = tcg_temp_new(); | |
2380 | t1 = tcg_temp_new(); | |
2381 | break; | |
2382 | default: | |
2383 | t0 = tcg_temp_local_new(); | |
2384 | t1 = tcg_temp_local_new(); | |
2385 | break; | |
2386 | } | |
2387 | ||
2388 | gen_load_gpr(t0, rs); | |
2389 | gen_load_gpr(t1, rt); | |
2390 | ||
2391 | switch (opc) { | |
2392 | case OPC_MULT_G_2E: | |
2393 | case OPC_MULT_G_2F: | |
2394 | tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); | |
2395 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
2396 | opn = "mult.g"; | |
2397 | break; | |
2398 | case OPC_MULTU_G_2E: | |
2399 | case OPC_MULTU_G_2F: | |
2400 | tcg_gen_ext32u_tl(t0, t0); | |
2401 | tcg_gen_ext32u_tl(t1, t1); | |
2402 | tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); | |
2403 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
2404 | opn = "multu.g"; | |
2405 | break; | |
2406 | case OPC_DIV_G_2E: | |
2407 | case OPC_DIV_G_2F: | |
2408 | { | |
2409 | int l1 = gen_new_label(); | |
2410 | int l2 = gen_new_label(); | |
2411 | int l3 = gen_new_label(); | |
2412 | tcg_gen_ext32s_tl(t0, t0); | |
2413 | tcg_gen_ext32s_tl(t1, t1); | |
2414 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); | |
2415 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2416 | tcg_gen_br(l3); | |
2417 | gen_set_label(l1); | |
2418 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); | |
2419 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); | |
2420 | tcg_gen_mov_tl(cpu_gpr[rd], t0); | |
2421 | tcg_gen_br(l3); | |
2422 | gen_set_label(l2); | |
2423 | tcg_gen_div_tl(cpu_gpr[rd], t0, t1); | |
2424 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
2425 | gen_set_label(l3); | |
2426 | } | |
2427 | opn = "div.g"; | |
2428 | break; | |
2429 | case OPC_DIVU_G_2E: | |
2430 | case OPC_DIVU_G_2F: | |
2431 | { | |
2432 | int l1 = gen_new_label(); | |
2433 | int l2 = gen_new_label(); | |
2434 | tcg_gen_ext32u_tl(t0, t0); | |
2435 | tcg_gen_ext32u_tl(t1, t1); | |
2436 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); | |
2437 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2438 | tcg_gen_br(l2); | |
2439 | gen_set_label(l1); | |
2440 | tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); | |
2441 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
2442 | gen_set_label(l2); | |
2443 | } | |
2444 | opn = "divu.g"; | |
2445 | break; | |
2446 | case OPC_MOD_G_2E: | |
2447 | case OPC_MOD_G_2F: | |
2448 | { | |
2449 | int l1 = gen_new_label(); | |
2450 | int l2 = gen_new_label(); | |
2451 | int l3 = gen_new_label(); | |
2452 | tcg_gen_ext32u_tl(t0, t0); | |
2453 | tcg_gen_ext32u_tl(t1, t1); | |
2454 | tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); | |
2455 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); | |
2456 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); | |
2457 | gen_set_label(l1); | |
2458 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2459 | tcg_gen_br(l3); | |
2460 | gen_set_label(l2); | |
2461 | tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); | |
2462 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
2463 | gen_set_label(l3); | |
2464 | } | |
2465 | opn = "mod.g"; | |
2466 | break; | |
2467 | case OPC_MODU_G_2E: | |
2468 | case OPC_MODU_G_2F: | |
2469 | { | |
2470 | int l1 = gen_new_label(); | |
2471 | int l2 = gen_new_label(); | |
2472 | tcg_gen_ext32u_tl(t0, t0); | |
2473 | tcg_gen_ext32u_tl(t1, t1); | |
2474 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); | |
2475 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2476 | tcg_gen_br(l2); | |
2477 | gen_set_label(l1); | |
2478 | tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); | |
2479 | tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); | |
2480 | gen_set_label(l2); | |
2481 | } | |
2482 | opn = "modu.g"; | |
2483 | break; | |
2484 | #if defined(TARGET_MIPS64) | |
2485 | case OPC_DMULT_G_2E: | |
2486 | case OPC_DMULT_G_2F: | |
2487 | tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); | |
2488 | opn = "dmult.g"; | |
2489 | break; | |
2490 | case OPC_DMULTU_G_2E: | |
2491 | case OPC_DMULTU_G_2F: | |
2492 | tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); | |
2493 | opn = "dmultu.g"; | |
2494 | break; | |
2495 | case OPC_DDIV_G_2E: | |
2496 | case OPC_DDIV_G_2F: | |
2497 | { | |
2498 | int l1 = gen_new_label(); | |
2499 | int l2 = gen_new_label(); | |
2500 | int l3 = gen_new_label(); | |
2501 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); | |
2502 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2503 | tcg_gen_br(l3); | |
2504 | gen_set_label(l1); | |
2505 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); | |
2506 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); | |
2507 | tcg_gen_mov_tl(cpu_gpr[rd], t0); | |
2508 | tcg_gen_br(l3); | |
2509 | gen_set_label(l2); | |
2510 | tcg_gen_div_tl(cpu_gpr[rd], t0, t1); | |
2511 | gen_set_label(l3); | |
2512 | } | |
2513 | opn = "ddiv.g"; | |
2514 | break; | |
2515 | case OPC_DDIVU_G_2E: | |
2516 | case OPC_DDIVU_G_2F: | |
2517 | { | |
2518 | int l1 = gen_new_label(); | |
2519 | int l2 = gen_new_label(); | |
2520 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); | |
2521 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2522 | tcg_gen_br(l2); | |
2523 | gen_set_label(l1); | |
2524 | tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); | |
2525 | gen_set_label(l2); | |
2526 | } | |
2527 | opn = "ddivu.g"; | |
2528 | break; | |
2529 | case OPC_DMOD_G_2E: | |
2530 | case OPC_DMOD_G_2F: | |
2531 | { | |
2532 | int l1 = gen_new_label(); | |
2533 | int l2 = gen_new_label(); | |
2534 | int l3 = gen_new_label(); | |
2535 | tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); | |
2536 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); | |
2537 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); | |
2538 | gen_set_label(l1); | |
2539 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2540 | tcg_gen_br(l3); | |
2541 | gen_set_label(l2); | |
2542 | tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); | |
2543 | gen_set_label(l3); | |
2544 | } | |
2545 | opn = "dmod.g"; | |
2546 | break; | |
2547 | case OPC_DMODU_G_2E: | |
2548 | case OPC_DMODU_G_2F: | |
2549 | { | |
2550 | int l1 = gen_new_label(); | |
2551 | int l2 = gen_new_label(); | |
2552 | tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); | |
2553 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
2554 | tcg_gen_br(l2); | |
2555 | gen_set_label(l1); | |
2556 | tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); | |
2557 | gen_set_label(l2); | |
2558 | } | |
2559 | opn = "dmodu.g"; | |
2560 | break; | |
2561 | #endif | |
2562 | } | |
2563 | ||
2564 | MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); | |
2565 | tcg_temp_free(t0); | |
2566 | tcg_temp_free(t1); | |
2567 | } | |
2568 | ||
6af0bf9c | 2569 | /* Traps */ |
7a387fff | 2570 | static void gen_trap (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
2571 | int rs, int rt, int16_t imm) |
2572 | { | |
2573 | int cond; | |
cdc0faa6 | 2574 | TCGv t0 = tcg_temp_new(); |
1ba74fb8 | 2575 | TCGv t1 = tcg_temp_new(); |
6af0bf9c FB |
2576 | |
2577 | cond = 0; | |
2578 | /* Load needed operands */ | |
2579 | switch (opc) { | |
2580 | case OPC_TEQ: | |
2581 | case OPC_TGE: | |
2582 | case OPC_TGEU: | |
2583 | case OPC_TLT: | |
2584 | case OPC_TLTU: | |
2585 | case OPC_TNE: | |
2586 | /* Compare two registers */ | |
2587 | if (rs != rt) { | |
be24bb4f TS |
2588 | gen_load_gpr(t0, rs); |
2589 | gen_load_gpr(t1, rt); | |
6af0bf9c FB |
2590 | cond = 1; |
2591 | } | |
179e32bb | 2592 | break; |
6af0bf9c FB |
2593 | case OPC_TEQI: |
2594 | case OPC_TGEI: | |
2595 | case OPC_TGEIU: | |
2596 | case OPC_TLTI: | |
2597 | case OPC_TLTIU: | |
2598 | case OPC_TNEI: | |
2599 | /* Compare register to immediate */ | |
2600 | if (rs != 0 || imm != 0) { | |
be24bb4f TS |
2601 | gen_load_gpr(t0, rs); |
2602 | tcg_gen_movi_tl(t1, (int32_t)imm); | |
6af0bf9c FB |
2603 | cond = 1; |
2604 | } | |
2605 | break; | |
2606 | } | |
2607 | if (cond == 0) { | |
2608 | switch (opc) { | |
2609 | case OPC_TEQ: /* rs == rs */ | |
2610 | case OPC_TEQI: /* r0 == 0 */ | |
2611 | case OPC_TGE: /* rs >= rs */ | |
2612 | case OPC_TGEI: /* r0 >= 0 */ | |
2613 | case OPC_TGEU: /* rs >= rs unsigned */ | |
2614 | case OPC_TGEIU: /* r0 >= 0 unsigned */ | |
2615 | /* Always trap */ | |
cdc0faa6 | 2616 | generate_exception(ctx, EXCP_TRAP); |
6af0bf9c FB |
2617 | break; |
2618 | case OPC_TLT: /* rs < rs */ | |
2619 | case OPC_TLTI: /* r0 < 0 */ | |
2620 | case OPC_TLTU: /* rs < rs unsigned */ | |
2621 | case OPC_TLTIU: /* r0 < 0 unsigned */ | |
2622 | case OPC_TNE: /* rs != rs */ | |
2623 | case OPC_TNEI: /* r0 != 0 */ | |
ead9360e | 2624 | /* Never trap: treat as NOP. */ |
cdc0faa6 | 2625 | break; |
6af0bf9c FB |
2626 | } |
2627 | } else { | |
cdc0faa6 AJ |
2628 | int l1 = gen_new_label(); |
2629 | ||
6af0bf9c FB |
2630 | switch (opc) { |
2631 | case OPC_TEQ: | |
2632 | case OPC_TEQI: | |
cdc0faa6 | 2633 | tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); |
6af0bf9c FB |
2634 | break; |
2635 | case OPC_TGE: | |
2636 | case OPC_TGEI: | |
cdc0faa6 | 2637 | tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); |
6af0bf9c FB |
2638 | break; |
2639 | case OPC_TGEU: | |
2640 | case OPC_TGEIU: | |
cdc0faa6 | 2641 | tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); |
6af0bf9c FB |
2642 | break; |
2643 | case OPC_TLT: | |
2644 | case OPC_TLTI: | |
cdc0faa6 | 2645 | tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); |
6af0bf9c FB |
2646 | break; |
2647 | case OPC_TLTU: | |
2648 | case OPC_TLTIU: | |
cdc0faa6 | 2649 | tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); |
6af0bf9c FB |
2650 | break; |
2651 | case OPC_TNE: | |
2652 | case OPC_TNEI: | |
cdc0faa6 | 2653 | tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); |
6af0bf9c | 2654 | break; |
6af0bf9c | 2655 | } |
cdc0faa6 | 2656 | generate_exception(ctx, EXCP_TRAP); |
08ba7963 TS |
2657 | gen_set_label(l1); |
2658 | } | |
be24bb4f TS |
2659 | tcg_temp_free(t0); |
2660 | tcg_temp_free(t1); | |
6af0bf9c FB |
2661 | } |
2662 | ||
356265ae | 2663 | static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
c53be334 | 2664 | { |
6e256c93 FB |
2665 | TranslationBlock *tb; |
2666 | tb = ctx->tb; | |
7b270ef2 NF |
2667 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && |
2668 | likely(!ctx->singlestep_enabled)) { | |
57fec1fe | 2669 | tcg_gen_goto_tb(n); |
9b9e4393 | 2670 | gen_save_pc(dest); |
57fec1fe | 2671 | tcg_gen_exit_tb((long)tb + n); |
6e256c93 | 2672 | } else { |
9b9e4393 | 2673 | gen_save_pc(dest); |
7b270ef2 NF |
2674 | if (ctx->singlestep_enabled) { |
2675 | save_cpu_state(ctx, 0); | |
2676 | gen_helper_0i(raise_exception, EXCP_DEBUG); | |
2677 | } | |
57fec1fe | 2678 | tcg_gen_exit_tb(0); |
6e256c93 | 2679 | } |
c53be334 FB |
2680 | } |
2681 | ||
6af0bf9c | 2682 | /* Branches (before delay slot) */ |
7a387fff | 2683 | static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
7dca4ad0 | 2684 | int insn_bytes, |
6af0bf9c FB |
2685 | int rs, int rt, int32_t offset) |
2686 | { | |
d077b6f7 | 2687 | target_ulong btgt = -1; |
3ad4bb2d | 2688 | int blink = 0; |
2fdbad25 | 2689 | int bcond_compute = 0; |
1ba74fb8 AJ |
2690 | TCGv t0 = tcg_temp_new(); |
2691 | TCGv t1 = tcg_temp_new(); | |
3ad4bb2d TS |
2692 | |
2693 | if (ctx->hflags & MIPS_HFLAG_BMASK) { | |
923617a3 | 2694 | #ifdef MIPS_DEBUG_DISAS |
d12d51d5 | 2695 | LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc); |
923617a3 | 2696 | #endif |
3ad4bb2d | 2697 | generate_exception(ctx, EXCP_RI); |
6c5c1e20 | 2698 | goto out; |
3ad4bb2d | 2699 | } |
6af0bf9c | 2700 | |
6af0bf9c FB |
2701 | /* Load needed operands */ |
2702 | switch (opc) { | |
2703 | case OPC_BEQ: | |
2704 | case OPC_BEQL: | |
2705 | case OPC_BNE: | |
2706 | case OPC_BNEL: | |
2707 | /* Compare two registers */ | |
2708 | if (rs != rt) { | |
6c5c1e20 TS |
2709 | gen_load_gpr(t0, rs); |
2710 | gen_load_gpr(t1, rt); | |
2fdbad25 | 2711 | bcond_compute = 1; |
6af0bf9c | 2712 | } |
7dca4ad0 | 2713 | btgt = ctx->pc + insn_bytes + offset; |
6af0bf9c FB |
2714 | break; |
2715 | case OPC_BGEZ: | |
2716 | case OPC_BGEZAL: | |
3c824109 | 2717 | case OPC_BGEZALS: |
6af0bf9c FB |
2718 | case OPC_BGEZALL: |
2719 | case OPC_BGEZL: | |
2720 | case OPC_BGTZ: | |
2721 | case OPC_BGTZL: | |
2722 | case OPC_BLEZ: | |
2723 | case OPC_BLEZL: | |
2724 | case OPC_BLTZ: | |
2725 | case OPC_BLTZAL: | |
3c824109 | 2726 | case OPC_BLTZALS: |
6af0bf9c FB |
2727 | case OPC_BLTZALL: |
2728 | case OPC_BLTZL: | |
2729 | /* Compare to zero */ | |
2730 | if (rs != 0) { | |
6c5c1e20 | 2731 | gen_load_gpr(t0, rs); |
2fdbad25 | 2732 | bcond_compute = 1; |
6af0bf9c | 2733 | } |
7dca4ad0 | 2734 | btgt = ctx->pc + insn_bytes + offset; |
6af0bf9c FB |
2735 | break; |
2736 | case OPC_J: | |
2737 | case OPC_JAL: | |
364d4831 | 2738 | case OPC_JALX: |
620e48f6 NF |
2739 | case OPC_JALS: |
2740 | case OPC_JALXS: | |
6af0bf9c | 2741 | /* Jump to immediate */ |
7dca4ad0 | 2742 | btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset; |
6af0bf9c FB |
2743 | break; |
2744 | case OPC_JR: | |
2745 | case OPC_JALR: | |
364d4831 | 2746 | case OPC_JALRC: |
620e48f6 | 2747 | case OPC_JALRS: |
6af0bf9c | 2748 | /* Jump to register */ |
7a387fff TS |
2749 | if (offset != 0 && offset != 16) { |
2750 | /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the | |
cbeb0857 | 2751 | others are reserved. */ |
923617a3 | 2752 | MIPS_INVAL("jump hint"); |
6af0bf9c | 2753 | generate_exception(ctx, EXCP_RI); |
6c5c1e20 | 2754 | goto out; |
6af0bf9c | 2755 | } |
d077b6f7 | 2756 | gen_load_gpr(btarget, rs); |
6af0bf9c FB |
2757 | break; |
2758 | default: | |
2759 | MIPS_INVAL("branch/jump"); | |
2760 | generate_exception(ctx, EXCP_RI); | |
6c5c1e20 | 2761 | goto out; |
6af0bf9c | 2762 | } |
2fdbad25 | 2763 | if (bcond_compute == 0) { |
6af0bf9c FB |
2764 | /* No condition to be computed */ |
2765 | switch (opc) { | |
2766 | case OPC_BEQ: /* rx == rx */ | |
2767 | case OPC_BEQL: /* rx == rx likely */ | |
2768 | case OPC_BGEZ: /* 0 >= 0 */ | |
2769 | case OPC_BGEZL: /* 0 >= 0 likely */ | |
2770 | case OPC_BLEZ: /* 0 <= 0 */ | |
2771 | case OPC_BLEZL: /* 0 <= 0 likely */ | |
2772 | /* Always take */ | |
4ad40f36 | 2773 | ctx->hflags |= MIPS_HFLAG_B; |
6af0bf9c FB |
2774 | MIPS_DEBUG("balways"); |
2775 | break; | |
3c824109 | 2776 | case OPC_BGEZALS: |
6af0bf9c FB |
2777 | case OPC_BGEZAL: /* 0 >= 0 */ |
2778 | case OPC_BGEZALL: /* 0 >= 0 likely */ | |
3c824109 NF |
2779 | ctx->hflags |= (opc == OPC_BGEZALS |
2780 | ? MIPS_HFLAG_BDS16 | |
2781 | : MIPS_HFLAG_BDS32); | |
6af0bf9c FB |
2782 | /* Always take and link */ |
2783 | blink = 31; | |
4ad40f36 | 2784 | ctx->hflags |= MIPS_HFLAG_B; |
6af0bf9c FB |
2785 | MIPS_DEBUG("balways and link"); |
2786 | break; | |
2787 | case OPC_BNE: /* rx != rx */ | |
2788 | case OPC_BGTZ: /* 0 > 0 */ | |
2789 | case OPC_BLTZ: /* 0 < 0 */ | |
ead9360e | 2790 | /* Treat as NOP. */ |
6af0bf9c | 2791 | MIPS_DEBUG("bnever (NOP)"); |
6c5c1e20 | 2792 | goto out; |
3c824109 | 2793 | case OPC_BLTZALS: |
eeef26cd | 2794 | case OPC_BLTZAL: /* 0 < 0 */ |
3c824109 NF |
2795 | ctx->hflags |= (opc == OPC_BLTZALS |
2796 | ? MIPS_HFLAG_BDS16 | |
2797 | : MIPS_HFLAG_BDS32); | |
2798 | /* Handle as an unconditional branch to get correct delay | |
2799 | slot checking. */ | |
2800 | blink = 31; | |
2801 | btgt = ctx->pc + (opc == OPC_BLTZALS ? 6 : 8); | |
2802 | ctx->hflags |= MIPS_HFLAG_B; | |
9898128f | 2803 | MIPS_DEBUG("bnever and link"); |
3c824109 | 2804 | break; |
eeef26cd | 2805 | case OPC_BLTZALL: /* 0 < 0 likely */ |
1ba74fb8 | 2806 | tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
9898128f TS |
2807 | /* Skip the instruction in the delay slot */ |
2808 | MIPS_DEBUG("bnever, link and skip"); | |
2809 | ctx->pc += 4; | |
6c5c1e20 | 2810 | goto out; |
6af0bf9c FB |
2811 | case OPC_BNEL: /* rx != rx likely */ |
2812 | case OPC_BGTZL: /* 0 > 0 likely */ | |
6af0bf9c FB |
2813 | case OPC_BLTZL: /* 0 < 0 likely */ |
2814 | /* Skip the instruction in the delay slot */ | |
2815 | MIPS_DEBUG("bnever and skip"); | |
9898128f | 2816 | ctx->pc += 4; |
6c5c1e20 | 2817 | goto out; |
6af0bf9c | 2818 | case OPC_J: |
4ad40f36 | 2819 | ctx->hflags |= MIPS_HFLAG_B; |
d077b6f7 | 2820 | MIPS_DEBUG("j " TARGET_FMT_lx, btgt); |
6af0bf9c | 2821 | break; |
620e48f6 | 2822 | case OPC_JALXS: |
364d4831 NF |
2823 | case OPC_JALX: |
2824 | ctx->hflags |= MIPS_HFLAG_BX; | |
2825 | /* Fallthrough */ | |
620e48f6 | 2826 | case OPC_JALS: |
6af0bf9c FB |
2827 | case OPC_JAL: |
2828 | blink = 31; | |
4ad40f36 | 2829 | ctx->hflags |= MIPS_HFLAG_B; |
620e48f6 | 2830 | ctx->hflags |= ((opc == OPC_JALS || opc == OPC_JALXS) |
364d4831 NF |
2831 | ? MIPS_HFLAG_BDS16 |
2832 | : MIPS_HFLAG_BDS32); | |
d077b6f7 | 2833 | MIPS_DEBUG("jal " TARGET_FMT_lx, btgt); |
6af0bf9c FB |
2834 | break; |
2835 | case OPC_JR: | |
4ad40f36 | 2836 | ctx->hflags |= MIPS_HFLAG_BR; |
620e48f6 NF |
2837 | if (insn_bytes == 4) |
2838 | ctx->hflags |= MIPS_HFLAG_BDS32; | |
6af0bf9c FB |
2839 | MIPS_DEBUG("jr %s", regnames[rs]); |
2840 | break; | |
620e48f6 | 2841 | case OPC_JALRS: |
6af0bf9c | 2842 | case OPC_JALR: |
364d4831 | 2843 | case OPC_JALRC: |
6af0bf9c | 2844 | blink = rt; |
4ad40f36 | 2845 | ctx->hflags |= MIPS_HFLAG_BR; |
620e48f6 NF |
2846 | ctx->hflags |= (opc == OPC_JALRS |
2847 | ? MIPS_HFLAG_BDS16 | |
2848 | : MIPS_HFLAG_BDS32); | |
6af0bf9c FB |
2849 | MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]); |
2850 | break; | |
2851 | default: | |
2852 | MIPS_INVAL("branch/jump"); | |
2853 | generate_exception(ctx, EXCP_RI); | |
6c5c1e20 | 2854 | goto out; |
6af0bf9c FB |
2855 | } |
2856 | } else { | |
2857 | switch (opc) { | |
2858 | case OPC_BEQ: | |
e68dd28f | 2859 | tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); |
923617a3 | 2860 | MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx, |
d077b6f7 | 2861 | regnames[rs], regnames[rt], btgt); |
6af0bf9c FB |
2862 | goto not_likely; |
2863 | case OPC_BEQL: | |
e68dd28f | 2864 | tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); |
923617a3 | 2865 | MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx, |
d077b6f7 | 2866 | regnames[rs], regnames[rt], btgt); |
6af0bf9c FB |
2867 | goto likely; |
2868 | case OPC_BNE: | |
e68dd28f | 2869 | tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); |
923617a3 | 2870 | MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx, |
d077b6f7 | 2871 | regnames[rs], regnames[rt], btgt); |
6af0bf9c FB |
2872 | goto not_likely; |
2873 | case OPC_BNEL: | |
e68dd28f | 2874 | tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); |
923617a3 | 2875 | MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx, |
d077b6f7 | 2876 | regnames[rs], regnames[rt], btgt); |
6af0bf9c FB |
2877 | goto likely; |
2878 | case OPC_BGEZ: | |
e68dd28f | 2879 | tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
d077b6f7 | 2880 | MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2881 | goto not_likely; |
2882 | case OPC_BGEZL: | |
e68dd28f | 2883 | tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
d077b6f7 | 2884 | MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c | 2885 | goto likely; |
3c824109 | 2886 | case OPC_BGEZALS: |
6af0bf9c | 2887 | case OPC_BGEZAL: |
3c824109 NF |
2888 | ctx->hflags |= (opc == OPC_BGEZALS |
2889 | ? MIPS_HFLAG_BDS16 | |
2890 | : MIPS_HFLAG_BDS32); | |
e68dd28f | 2891 | tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
d077b6f7 | 2892 | MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2893 | blink = 31; |
2894 | goto not_likely; | |
2895 | case OPC_BGEZALL: | |
e68dd28f | 2896 | tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
6af0bf9c | 2897 | blink = 31; |
d077b6f7 | 2898 | MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2899 | goto likely; |
2900 | case OPC_BGTZ: | |
e68dd28f | 2901 | tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); |
d077b6f7 | 2902 | MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2903 | goto not_likely; |
2904 | case OPC_BGTZL: | |
e68dd28f | 2905 | tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); |
d077b6f7 | 2906 | MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2907 | goto likely; |
2908 | case OPC_BLEZ: | |
e68dd28f | 2909 | tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); |
d077b6f7 | 2910 | MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2911 | goto not_likely; |
2912 | case OPC_BLEZL: | |
e68dd28f | 2913 | tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); |
d077b6f7 | 2914 | MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2915 | goto likely; |
2916 | case OPC_BLTZ: | |
e68dd28f | 2917 | tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
d077b6f7 | 2918 | MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c FB |
2919 | goto not_likely; |
2920 | case OPC_BLTZL: | |
e68dd28f | 2921 | tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
d077b6f7 | 2922 | MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c | 2923 | goto likely; |
3c824109 | 2924 | case OPC_BLTZALS: |
6af0bf9c | 2925 | case OPC_BLTZAL: |
3c824109 NF |
2926 | ctx->hflags |= (opc == OPC_BLTZALS |
2927 | ? MIPS_HFLAG_BDS16 | |
2928 | : MIPS_HFLAG_BDS32); | |
e68dd28f | 2929 | tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
6af0bf9c | 2930 | blink = 31; |
d077b6f7 | 2931 | MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c | 2932 | not_likely: |
4ad40f36 | 2933 | ctx->hflags |= MIPS_HFLAG_BC; |
6af0bf9c FB |
2934 | break; |
2935 | case OPC_BLTZALL: | |
e68dd28f | 2936 | tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
6af0bf9c | 2937 | blink = 31; |
d077b6f7 | 2938 | MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt); |
6af0bf9c | 2939 | likely: |
4ad40f36 | 2940 | ctx->hflags |= MIPS_HFLAG_BL; |
6af0bf9c | 2941 | break; |
c53f4a62 TS |
2942 | default: |
2943 | MIPS_INVAL("conditional branch/jump"); | |
2944 | generate_exception(ctx, EXCP_RI); | |
6c5c1e20 | 2945 | goto out; |
6af0bf9c | 2946 | } |
6af0bf9c | 2947 | } |
923617a3 | 2948 | MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx, |
d077b6f7 | 2949 | blink, ctx->hflags, btgt); |
9b9e4393 | 2950 | |
d077b6f7 | 2951 | ctx->btarget = btgt; |
6af0bf9c | 2952 | if (blink > 0) { |
364d4831 NF |
2953 | int post_delay = insn_bytes; |
2954 | int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16); | |
2955 | ||
2956 | if (opc != OPC_JALRC) | |
2957 | post_delay += ((ctx->hflags & MIPS_HFLAG_BDS16) ? 2 : 4); | |
2958 | ||
2959 | tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit); | |
6af0bf9c | 2960 | } |
6c5c1e20 TS |
2961 | |
2962 | out: | |
364d4831 NF |
2963 | if (insn_bytes == 2) |
2964 | ctx->hflags |= MIPS_HFLAG_B16; | |
6c5c1e20 TS |
2965 | tcg_temp_free(t0); |
2966 | tcg_temp_free(t1); | |
6af0bf9c FB |
2967 | } |
2968 | ||
7a387fff TS |
2969 | /* special3 bitfield operations */ |
2970 | static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, | |
356265ae | 2971 | int rs, int lsb, int msb) |
7a387fff | 2972 | { |
a7812ae4 PB |
2973 | TCGv t0 = tcg_temp_new(); |
2974 | TCGv t1 = tcg_temp_new(); | |
505ad7c2 | 2975 | target_ulong mask; |
6c5c1e20 TS |
2976 | |
2977 | gen_load_gpr(t1, rs); | |
7a387fff TS |
2978 | switch (opc) { |
2979 | case OPC_EXT: | |
2980 | if (lsb + msb > 31) | |
2981 | goto fail; | |
505ad7c2 AJ |
2982 | tcg_gen_shri_tl(t0, t1, lsb); |
2983 | if (msb != 31) { | |
2984 | tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1); | |
2985 | } else { | |
2986 | tcg_gen_ext32s_tl(t0, t0); | |
2987 | } | |
7a387fff | 2988 | break; |
c6d6dd7c | 2989 | #if defined(TARGET_MIPS64) |
7a387fff | 2990 | case OPC_DEXTM: |
505ad7c2 AJ |
2991 | tcg_gen_shri_tl(t0, t1, lsb); |
2992 | if (msb != 31) { | |
2993 | tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1); | |
2994 | } | |
7a387fff TS |
2995 | break; |
2996 | case OPC_DEXTU: | |
505ad7c2 AJ |
2997 | tcg_gen_shri_tl(t0, t1, lsb + 32); |
2998 | tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); | |
7a387fff TS |
2999 | break; |
3000 | case OPC_DEXT: | |
505ad7c2 AJ |
3001 | tcg_gen_shri_tl(t0, t1, lsb); |
3002 | tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); | |
7a387fff | 3003 | break; |
c6d6dd7c | 3004 | #endif |
7a387fff TS |
3005 | case OPC_INS: |
3006 | if (lsb > msb) | |
3007 | goto fail; | |
505ad7c2 | 3008 | mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb; |
6c5c1e20 | 3009 | gen_load_gpr(t0, rt); |
505ad7c2 AJ |
3010 | tcg_gen_andi_tl(t0, t0, ~mask); |
3011 | tcg_gen_shli_tl(t1, t1, lsb); | |
3012 | tcg_gen_andi_tl(t1, t1, mask); | |
3013 | tcg_gen_or_tl(t0, t0, t1); | |
3014 | tcg_gen_ext32s_tl(t0, t0); | |
7a387fff | 3015 | break; |
c6d6dd7c | 3016 | #if defined(TARGET_MIPS64) |
7a387fff TS |
3017 | case OPC_DINSM: |
3018 | if (lsb > msb) | |
3019 | goto fail; | |
505ad7c2 | 3020 | mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb; |
6c5c1e20 | 3021 | gen_load_gpr(t0, rt); |
505ad7c2 AJ |
3022 | tcg_gen_andi_tl(t0, t0, ~mask); |
3023 | tcg_gen_shli_tl(t1, t1, lsb); | |
3024 | tcg_gen_andi_tl(t1, t1, mask); | |
3025 | tcg_gen_or_tl(t0, t0, t1); | |
7a387fff TS |
3026 | break; |
3027 | case OPC_DINSU: | |
3028 | if (lsb > msb) | |
3029 | goto fail; | |
6fbab869 | 3030 | mask = ((1ULL << (msb - lsb + 1)) - 1) << (lsb + 32); |
6c5c1e20 | 3031 | gen_load_gpr(t0, rt); |
505ad7c2 AJ |
3032 | tcg_gen_andi_tl(t0, t0, ~mask); |
3033 | tcg_gen_shli_tl(t1, t1, lsb + 32); | |
3034 | tcg_gen_andi_tl(t1, t1, mask); | |
3035 | tcg_gen_or_tl(t0, t0, t1); | |
7a387fff TS |
3036 | break; |
3037 | case OPC_DINS: | |
3038 | if (lsb > msb) | |
3039 | goto fail; | |
6c5c1e20 | 3040 | gen_load_gpr(t0, rt); |
505ad7c2 AJ |
3041 | mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
3042 | gen_load_gpr(t0, rt); | |
3043 | tcg_gen_andi_tl(t0, t0, ~mask); | |
3044 | tcg_gen_shli_tl(t1, t1, lsb); | |
3045 | tcg_gen_andi_tl(t1, t1, mask); | |
3046 | tcg_gen_or_tl(t0, t0, t1); | |
7a387fff | 3047 | break; |
c6d6dd7c | 3048 | #endif |
7a387fff TS |
3049 | default: |
3050 | fail: | |
3051 | MIPS_INVAL("bitops"); | |
3052 | generate_exception(ctx, EXCP_RI); | |
6c5c1e20 TS |
3053 | tcg_temp_free(t0); |
3054 | tcg_temp_free(t1); | |
7a387fff TS |
3055 | return; |
3056 | } | |
6c5c1e20 TS |
3057 | gen_store_gpr(t0, rt); |
3058 | tcg_temp_free(t0); | |
3059 | tcg_temp_free(t1); | |
7a387fff TS |
3060 | } |
3061 | ||
49bcf33c AJ |
3062 | static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd) |
3063 | { | |
3a55fa47 | 3064 | TCGv t0; |
49bcf33c | 3065 | |
3a55fa47 AJ |
3066 | if (rd == 0) { |
3067 | /* If no destination, treat it as a NOP. */ | |
3068 | MIPS_DEBUG("NOP"); | |
3069 | return; | |
3070 | } | |
3071 | ||
3072 | t0 = tcg_temp_new(); | |
3073 | gen_load_gpr(t0, rt); | |
49bcf33c AJ |
3074 | switch (op2) { |
3075 | case OPC_WSBH: | |
3a55fa47 AJ |
3076 | { |
3077 | TCGv t1 = tcg_temp_new(); | |
3078 | ||
3079 | tcg_gen_shri_tl(t1, t0, 8); | |
3080 | tcg_gen_andi_tl(t1, t1, 0x00FF00FF); | |
3081 | tcg_gen_shli_tl(t0, t0, 8); | |
3082 | tcg_gen_andi_tl(t0, t0, ~0x00FF00FF); | |
3083 | tcg_gen_or_tl(t0, t0, t1); | |
3084 | tcg_temp_free(t1); | |
3085 | tcg_gen_ext32s_tl(cpu_gpr[rd], t0); | |
3086 | } | |
49bcf33c AJ |
3087 | break; |
3088 | case OPC_SEB: | |
3a55fa47 | 3089 | tcg_gen_ext8s_tl(cpu_gpr[rd], t0); |
49bcf33c AJ |
3090 | break; |
3091 | case OPC_SEH: | |
3a55fa47 | 3092 | tcg_gen_ext16s_tl(cpu_gpr[rd], t0); |
49bcf33c AJ |
3093 | break; |
3094 | #if defined(TARGET_MIPS64) | |
3095 | case OPC_DSBH: | |
3a55fa47 AJ |
3096 | { |
3097 | TCGv t1 = tcg_temp_new(); | |
3098 | ||
3099 | tcg_gen_shri_tl(t1, t0, 8); | |
3100 | tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL); | |
3101 | tcg_gen_shli_tl(t0, t0, 8); | |
3102 | tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL); | |
3103 | tcg_gen_or_tl(cpu_gpr[rd], t0, t1); | |
3104 | tcg_temp_free(t1); | |
3105 | } | |
49bcf33c AJ |
3106 | break; |
3107 | case OPC_DSHD: | |
3a55fa47 AJ |
3108 | { |
3109 | TCGv t1 = tcg_temp_new(); | |
3110 | ||
3111 | tcg_gen_shri_tl(t1, t0, 16); | |
3112 | tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL); | |
3113 | tcg_gen_shli_tl(t0, t0, 16); | |
3114 | tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL); | |
3115 | tcg_gen_or_tl(t0, t0, t1); | |
3116 | tcg_gen_shri_tl(t1, t0, 32); | |
3117 | tcg_gen_shli_tl(t0, t0, 32); | |
3118 | tcg_gen_or_tl(cpu_gpr[rd], t0, t1); | |
3119 | tcg_temp_free(t1); | |
3120 | } | |
49bcf33c AJ |
3121 | break; |
3122 | #endif | |
3123 | default: | |
3124 | MIPS_INVAL("bsfhl"); | |
3125 | generate_exception(ctx, EXCP_RI); | |
3126 | tcg_temp_free(t0); | |
49bcf33c AJ |
3127 | return; |
3128 | } | |
49bcf33c | 3129 | tcg_temp_free(t0); |
49bcf33c AJ |
3130 | } |
3131 | ||
f1aa6320 | 3132 | #ifndef CONFIG_USER_ONLY |
0eaef5aa | 3133 | /* CP0 (MMU and control) */ |
d9bea114 | 3134 | static inline void gen_mfc0_load32 (TCGv arg, target_ulong off) |
4f57689a | 3135 | { |
d9bea114 | 3136 | TCGv_i32 t0 = tcg_temp_new_i32(); |
4f57689a | 3137 | |
d9bea114 AJ |
3138 | tcg_gen_ld_i32(t0, cpu_env, off); |
3139 | tcg_gen_ext_i32_tl(arg, t0); | |
3140 | tcg_temp_free_i32(t0); | |
4f57689a TS |
3141 | } |
3142 | ||
d9bea114 | 3143 | static inline void gen_mfc0_load64 (TCGv arg, target_ulong off) |
4f57689a | 3144 | { |
d9bea114 AJ |
3145 | tcg_gen_ld_tl(arg, cpu_env, off); |
3146 | tcg_gen_ext32s_tl(arg, arg); | |
4f57689a TS |
3147 | } |
3148 | ||
d9bea114 | 3149 | static inline void gen_mtc0_store32 (TCGv arg, target_ulong off) |
f1aa6320 | 3150 | { |
d9bea114 | 3151 | TCGv_i32 t0 = tcg_temp_new_i32(); |
f1aa6320 | 3152 | |
d9bea114 AJ |
3153 | tcg_gen_trunc_tl_i32(t0, arg); |
3154 | tcg_gen_st_i32(t0, cpu_env, off); | |
3155 | tcg_temp_free_i32(t0); | |
f1aa6320 TS |
3156 | } |
3157 | ||
d9bea114 | 3158 | static inline void gen_mtc0_store64 (TCGv arg, target_ulong off) |
f1aa6320 | 3159 | { |
d9bea114 AJ |
3160 | tcg_gen_ext32s_tl(arg, arg); |
3161 | tcg_gen_st_tl(arg, cpu_env, off); | |
f1aa6320 TS |
3162 | } |
3163 | ||
d9bea114 | 3164 | static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
873eb012 | 3165 | { |
7a387fff | 3166 | const char *rn = "invalid"; |
873eb012 | 3167 | |
e189e748 TS |
3168 | if (sel != 0) |
3169 | check_insn(env, ctx, ISA_MIPS32); | |
3170 | ||
873eb012 TS |
3171 | switch (reg) { |
3172 | case 0: | |
7a387fff TS |
3173 | switch (sel) { |
3174 | case 0: | |
d9bea114 | 3175 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
7a387fff TS |
3176 | rn = "Index"; |
3177 | break; | |
3178 | case 1: | |
7385ac0b | 3179 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3180 | gen_helper_mfc0_mvpcontrol(arg); |
7a387fff | 3181 | rn = "MVPControl"; |
ead9360e | 3182 | break; |
7a387fff | 3183 | case 2: |
7385ac0b | 3184 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3185 | gen_helper_mfc0_mvpconf0(arg); |
7a387fff | 3186 | rn = "MVPConf0"; |
ead9360e | 3187 | break; |
7a387fff | 3188 | case 3: |
7385ac0b | 3189 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3190 | gen_helper_mfc0_mvpconf1(arg); |
7a387fff | 3191 | rn = "MVPConf1"; |
ead9360e | 3192 | break; |
7a387fff TS |
3193 | default: |
3194 | goto die; | |
3195 | } | |
873eb012 TS |
3196 | break; |
3197 | case 1: | |
7a387fff TS |
3198 | switch (sel) { |
3199 | case 0: | |
d9bea114 | 3200 | gen_helper_mfc0_random(arg); |
7a387fff | 3201 | rn = "Random"; |
2423f660 | 3202 | break; |
7a387fff | 3203 | case 1: |
7385ac0b | 3204 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3205 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
7a387fff | 3206 | rn = "VPEControl"; |
ead9360e | 3207 | break; |
7a387fff | 3208 | case 2: |
7385ac0b | 3209 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3210 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
7a387fff | 3211 | rn = "VPEConf0"; |
ead9360e | 3212 | break; |
7a387fff | 3213 | case 3: |
7385ac0b | 3214 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3215 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
7a387fff | 3216 | rn = "VPEConf1"; |
ead9360e | 3217 | break; |
7a387fff | 3218 | case 4: |
7385ac0b | 3219 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3220 | gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask)); |
7a387fff | 3221 | rn = "YQMask"; |
ead9360e | 3222 | break; |
7a387fff | 3223 | case 5: |
7385ac0b | 3224 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3225 | gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule)); |
7a387fff | 3226 | rn = "VPESchedule"; |
ead9360e | 3227 | break; |
7a387fff | 3228 | case 6: |
7385ac0b | 3229 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3230 | gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
7a387fff | 3231 | rn = "VPEScheFBack"; |
ead9360e | 3232 | break; |
7a387fff | 3233 | case 7: |
7385ac0b | 3234 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3235 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
7a387fff | 3236 | rn = "VPEOpt"; |
ead9360e | 3237 | break; |
7a387fff TS |
3238 | default: |
3239 | goto die; | |
3240 | } | |
873eb012 TS |
3241 | break; |
3242 | case 2: | |
7a387fff TS |
3243 | switch (sel) { |
3244 | case 0: | |
d9bea114 AJ |
3245 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
3246 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3247 | rn = "EntryLo0"; |
3248 | break; | |
7a387fff | 3249 | case 1: |
7385ac0b | 3250 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3251 | gen_helper_mfc0_tcstatus(arg); |
2423f660 | 3252 | rn = "TCStatus"; |
ead9360e | 3253 | break; |
7a387fff | 3254 | case 2: |
7385ac0b | 3255 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3256 | gen_helper_mfc0_tcbind(arg); |
2423f660 | 3257 | rn = "TCBind"; |
ead9360e | 3258 | break; |
7a387fff | 3259 | case 3: |
7385ac0b | 3260 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3261 | gen_helper_mfc0_tcrestart(arg); |
2423f660 | 3262 | rn = "TCRestart"; |
ead9360e | 3263 | break; |
7a387fff | 3264 | case 4: |
7385ac0b | 3265 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3266 | gen_helper_mfc0_tchalt(arg); |
2423f660 | 3267 | rn = "TCHalt"; |
ead9360e | 3268 | break; |
7a387fff | 3269 | case 5: |
7385ac0b | 3270 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3271 | gen_helper_mfc0_tccontext(arg); |
2423f660 | 3272 | rn = "TCContext"; |
ead9360e | 3273 | break; |
7a387fff | 3274 | case 6: |
7385ac0b | 3275 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3276 | gen_helper_mfc0_tcschedule(arg); |
2423f660 | 3277 | rn = "TCSchedule"; |
ead9360e | 3278 | break; |
7a387fff | 3279 | case 7: |
7385ac0b | 3280 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3281 | gen_helper_mfc0_tcschefback(arg); |
2423f660 | 3282 | rn = "TCScheFBack"; |
ead9360e | 3283 | break; |
7a387fff TS |
3284 | default: |
3285 | goto die; | |
3286 | } | |
873eb012 TS |
3287 | break; |
3288 | case 3: | |
7a387fff TS |
3289 | switch (sel) { |
3290 | case 0: | |
d9bea114 AJ |
3291 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
3292 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3293 | rn = "EntryLo1"; |
3294 | break; | |
7a387fff TS |
3295 | default: |
3296 | goto die; | |
1579a72e | 3297 | } |
873eb012 TS |
3298 | break; |
3299 | case 4: | |
7a387fff TS |
3300 | switch (sel) { |
3301 | case 0: | |
d9bea114 AJ |
3302 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
3303 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3304 | rn = "Context"; |
3305 | break; | |
7a387fff | 3306 | case 1: |
d9bea114 | 3307 | // gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */ |
2423f660 TS |
3308 | rn = "ContextConfig"; |
3309 | // break; | |
7a387fff TS |
3310 | default: |
3311 | goto die; | |
1579a72e | 3312 | } |
873eb012 TS |
3313 | break; |
3314 | case 5: | |
7a387fff TS |
3315 | switch (sel) { |
3316 | case 0: | |
d9bea114 | 3317 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
2423f660 TS |
3318 | rn = "PageMask"; |
3319 | break; | |
7a387fff | 3320 | case 1: |
e189e748 | 3321 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3322 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
2423f660 TS |
3323 | rn = "PageGrain"; |
3324 | break; | |
7a387fff TS |
3325 | default: |
3326 | goto die; | |
1579a72e | 3327 | } |
873eb012 TS |
3328 | break; |
3329 | case 6: | |
7a387fff TS |
3330 | switch (sel) { |
3331 | case 0: | |
d9bea114 | 3332 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
2423f660 TS |
3333 | rn = "Wired"; |
3334 | break; | |
7a387fff | 3335 | case 1: |
e189e748 | 3336 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3337 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
2423f660 | 3338 | rn = "SRSConf0"; |
ead9360e | 3339 | break; |
7a387fff | 3340 | case 2: |
e189e748 | 3341 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3342 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
2423f660 | 3343 | rn = "SRSConf1"; |
ead9360e | 3344 | break; |
7a387fff | 3345 | case 3: |
e189e748 | 3346 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3347 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
2423f660 | 3348 | rn = "SRSConf2"; |
ead9360e | 3349 | break; |
7a387fff | 3350 | case 4: |
e189e748 | 3351 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3352 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
2423f660 | 3353 | rn = "SRSConf3"; |
ead9360e | 3354 | break; |
7a387fff | 3355 | case 5: |
e189e748 | 3356 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3357 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
2423f660 | 3358 | rn = "SRSConf4"; |
ead9360e | 3359 | break; |
7a387fff TS |
3360 | default: |
3361 | goto die; | |
1579a72e | 3362 | } |
873eb012 | 3363 | break; |
8c0fdd85 | 3364 | case 7: |
7a387fff TS |
3365 | switch (sel) { |
3366 | case 0: | |
e189e748 | 3367 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3368 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
2423f660 TS |
3369 | rn = "HWREna"; |
3370 | break; | |
7a387fff TS |
3371 | default: |
3372 | goto die; | |
1579a72e | 3373 | } |
8c0fdd85 | 3374 | break; |
873eb012 | 3375 | case 8: |
7a387fff TS |
3376 | switch (sel) { |
3377 | case 0: | |
d9bea114 AJ |
3378 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
3379 | tcg_gen_ext32s_tl(arg, arg); | |
f0b3f3ae | 3380 | rn = "BadVAddr"; |
2423f660 | 3381 | break; |
7a387fff TS |
3382 | default: |
3383 | goto die; | |
3384 | } | |
873eb012 TS |
3385 | break; |
3386 | case 9: | |
7a387fff TS |
3387 | switch (sel) { |
3388 | case 0: | |
2e70f6ef PB |
3389 | /* Mark as an IO operation because we read the time. */ |
3390 | if (use_icount) | |
3391 | gen_io_start(); | |
d9bea114 | 3392 | gen_helper_mfc0_count(arg); |
2e70f6ef PB |
3393 | if (use_icount) { |
3394 | gen_io_end(); | |
3395 | ctx->bstate = BS_STOP; | |
3396 | } | |
2423f660 TS |
3397 | rn = "Count"; |
3398 | break; | |
3399 | /* 6,7 are implementation dependent */ | |
7a387fff TS |
3400 | default: |
3401 | goto die; | |
2423f660 | 3402 | } |
873eb012 TS |
3403 | break; |
3404 | case 10: | |
7a387fff TS |
3405 | switch (sel) { |
3406 | case 0: | |
d9bea114 AJ |
3407 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
3408 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3409 | rn = "EntryHi"; |
3410 | break; | |
7a387fff TS |
3411 | default: |
3412 | goto die; | |
1579a72e | 3413 | } |
873eb012 TS |
3414 | break; |
3415 | case 11: | |
7a387fff TS |
3416 | switch (sel) { |
3417 | case 0: | |
d9bea114 | 3418 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
2423f660 TS |
3419 | rn = "Compare"; |
3420 | break; | |
3421 | /* 6,7 are implementation dependent */ | |
7a387fff TS |
3422 | default: |
3423 | goto die; | |
2423f660 | 3424 | } |
873eb012 TS |
3425 | break; |
3426 | case 12: | |
7a387fff TS |
3427 | switch (sel) { |
3428 | case 0: | |
d9bea114 | 3429 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
2423f660 TS |
3430 | rn = "Status"; |
3431 | break; | |
7a387fff | 3432 | case 1: |
e189e748 | 3433 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3434 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
2423f660 TS |
3435 | rn = "IntCtl"; |
3436 | break; | |
7a387fff | 3437 | case 2: |
e189e748 | 3438 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3439 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
2423f660 TS |
3440 | rn = "SRSCtl"; |
3441 | break; | |
7a387fff | 3442 | case 3: |
e189e748 | 3443 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3444 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
2423f660 | 3445 | rn = "SRSMap"; |
fd88b6ab | 3446 | break; |
7a387fff TS |
3447 | default: |
3448 | goto die; | |
3449 | } | |
873eb012 TS |
3450 | break; |
3451 | case 13: | |
7a387fff TS |
3452 | switch (sel) { |
3453 | case 0: | |
d9bea114 | 3454 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
2423f660 TS |
3455 | rn = "Cause"; |
3456 | break; | |
7a387fff TS |
3457 | default: |
3458 | goto die; | |
3459 | } | |
873eb012 TS |
3460 | break; |
3461 | case 14: | |
7a387fff TS |
3462 | switch (sel) { |
3463 | case 0: | |
d9bea114 AJ |
3464 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
3465 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3466 | rn = "EPC"; |
3467 | break; | |
7a387fff TS |
3468 | default: |
3469 | goto die; | |
1579a72e | 3470 | } |
873eb012 TS |
3471 | break; |
3472 | case 15: | |
7a387fff TS |
3473 | switch (sel) { |
3474 | case 0: | |
d9bea114 | 3475 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
2423f660 TS |
3476 | rn = "PRid"; |
3477 | break; | |
7a387fff | 3478 | case 1: |
e189e748 | 3479 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3480 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
2423f660 TS |
3481 | rn = "EBase"; |
3482 | break; | |
7a387fff TS |
3483 | default: |
3484 | goto die; | |
3485 | } | |
873eb012 TS |
3486 | break; |
3487 | case 16: | |
3488 | switch (sel) { | |
3489 | case 0: | |
d9bea114 | 3490 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
873eb012 TS |
3491 | rn = "Config"; |
3492 | break; | |
3493 | case 1: | |
d9bea114 | 3494 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
873eb012 TS |
3495 | rn = "Config1"; |
3496 | break; | |
7a387fff | 3497 | case 2: |
d9bea114 | 3498 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
7a387fff TS |
3499 | rn = "Config2"; |
3500 | break; | |
3501 | case 3: | |
d9bea114 | 3502 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
7a387fff TS |
3503 | rn = "Config3"; |
3504 | break; | |
e397ee33 TS |
3505 | /* 4,5 are reserved */ |
3506 | /* 6,7 are implementation dependent */ | |
3507 | case 6: | |
d9bea114 | 3508 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
e397ee33 TS |
3509 | rn = "Config6"; |
3510 | break; | |
3511 | case 7: | |
d9bea114 | 3512 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
e397ee33 TS |
3513 | rn = "Config7"; |
3514 | break; | |
873eb012 | 3515 | default: |
873eb012 TS |
3516 | goto die; |
3517 | } | |
3518 | break; | |
3519 | case 17: | |
7a387fff TS |
3520 | switch (sel) { |
3521 | case 0: | |
d9bea114 | 3522 | gen_helper_mfc0_lladdr(arg); |
2423f660 TS |
3523 | rn = "LLAddr"; |
3524 | break; | |
7a387fff TS |
3525 | default: |
3526 | goto die; | |
3527 | } | |
873eb012 TS |
3528 | break; |
3529 | case 18: | |
7a387fff | 3530 | switch (sel) { |
fd88b6ab | 3531 | case 0 ... 7: |
d9bea114 | 3532 | gen_helper_1i(mfc0_watchlo, arg, sel); |
2423f660 TS |
3533 | rn = "WatchLo"; |
3534 | break; | |
7a387fff TS |
3535 | default: |
3536 | goto die; | |
3537 | } | |
873eb012 TS |
3538 | break; |
3539 | case 19: | |
7a387fff | 3540 | switch (sel) { |
fd88b6ab | 3541 | case 0 ...7: |
d9bea114 | 3542 | gen_helper_1i(mfc0_watchhi, arg, sel); |
2423f660 TS |
3543 | rn = "WatchHi"; |
3544 | break; | |
7a387fff TS |
3545 | default: |
3546 | goto die; | |
3547 | } | |
873eb012 | 3548 | break; |
8c0fdd85 | 3549 | case 20: |
7a387fff TS |
3550 | switch (sel) { |
3551 | case 0: | |
d26bc211 | 3552 | #if defined(TARGET_MIPS64) |
e189e748 | 3553 | check_insn(env, ctx, ISA_MIPS3); |
d9bea114 AJ |
3554 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
3555 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3556 | rn = "XContext"; |
3557 | break; | |
703eaf37 | 3558 | #endif |
7a387fff TS |
3559 | default: |
3560 | goto die; | |
3561 | } | |
8c0fdd85 TS |
3562 | break; |
3563 | case 21: | |
7a387fff TS |
3564 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ |
3565 | switch (sel) { | |
3566 | case 0: | |
d9bea114 | 3567 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
2423f660 TS |
3568 | rn = "Framemask"; |
3569 | break; | |
7a387fff TS |
3570 | default: |
3571 | goto die; | |
3572 | } | |
8c0fdd85 TS |
3573 | break; |
3574 | case 22: | |
d9bea114 | 3575 | tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
2423f660 TS |
3576 | rn = "'Diagnostic"; /* implementation dependent */ |
3577 | break; | |
873eb012 | 3578 | case 23: |
7a387fff TS |
3579 | switch (sel) { |
3580 | case 0: | |
d9bea114 | 3581 | gen_helper_mfc0_debug(arg); /* EJTAG support */ |
2423f660 TS |
3582 | rn = "Debug"; |
3583 | break; | |
7a387fff | 3584 | case 1: |
d9bea114 | 3585 | // gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */ |
2423f660 TS |
3586 | rn = "TraceControl"; |
3587 | // break; | |
7a387fff | 3588 | case 2: |
d9bea114 | 3589 | // gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */ |
2423f660 TS |
3590 | rn = "TraceControl2"; |
3591 | // break; | |
7a387fff | 3592 | case 3: |
d9bea114 | 3593 | // gen_helper_mfc0_usertracedata(arg); /* PDtrace support */ |
2423f660 TS |
3594 | rn = "UserTraceData"; |
3595 | // break; | |
7a387fff | 3596 | case 4: |
d9bea114 | 3597 | // gen_helper_mfc0_tracebpc(arg); /* PDtrace support */ |
2423f660 TS |
3598 | rn = "TraceBPC"; |
3599 | // break; | |
7a387fff TS |
3600 | default: |
3601 | goto die; | |
3602 | } | |
873eb012 TS |
3603 | break; |
3604 | case 24: | |
7a387fff TS |
3605 | switch (sel) { |
3606 | case 0: | |
f0b3f3ae | 3607 | /* EJTAG support */ |
d9bea114 AJ |
3608 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
3609 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3610 | rn = "DEPC"; |
3611 | break; | |
7a387fff TS |
3612 | default: |
3613 | goto die; | |
3614 | } | |
873eb012 | 3615 | break; |
8c0fdd85 | 3616 | case 25: |
7a387fff TS |
3617 | switch (sel) { |
3618 | case 0: | |
d9bea114 | 3619 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
2423f660 | 3620 | rn = "Performance0"; |
7a387fff TS |
3621 | break; |
3622 | case 1: | |
d9bea114 | 3623 | // gen_helper_mfc0_performance1(arg); |
2423f660 TS |
3624 | rn = "Performance1"; |
3625 | // break; | |
7a387fff | 3626 | case 2: |
d9bea114 | 3627 | // gen_helper_mfc0_performance2(arg); |
2423f660 TS |
3628 | rn = "Performance2"; |
3629 | // break; | |
7a387fff | 3630 | case 3: |
d9bea114 | 3631 | // gen_helper_mfc0_performance3(arg); |
2423f660 TS |
3632 | rn = "Performance3"; |
3633 | // break; | |
7a387fff | 3634 | case 4: |
d9bea114 | 3635 | // gen_helper_mfc0_performance4(arg); |
2423f660 TS |
3636 | rn = "Performance4"; |
3637 | // break; | |
7a387fff | 3638 | case 5: |
d9bea114 | 3639 | // gen_helper_mfc0_performance5(arg); |
2423f660 TS |
3640 | rn = "Performance5"; |
3641 | // break; | |
7a387fff | 3642 | case 6: |
d9bea114 | 3643 | // gen_helper_mfc0_performance6(arg); |
2423f660 TS |
3644 | rn = "Performance6"; |
3645 | // break; | |
7a387fff | 3646 | case 7: |
d9bea114 | 3647 | // gen_helper_mfc0_performance7(arg); |
2423f660 TS |
3648 | rn = "Performance7"; |
3649 | // break; | |
7a387fff TS |
3650 | default: |
3651 | goto die; | |
3652 | } | |
8c0fdd85 TS |
3653 | break; |
3654 | case 26: | |
d9bea114 | 3655 | tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
da80682b AJ |
3656 | rn = "ECC"; |
3657 | break; | |
8c0fdd85 | 3658 | case 27: |
7a387fff | 3659 | switch (sel) { |
7a387fff | 3660 | case 0 ... 3: |
d9bea114 | 3661 | tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
2423f660 TS |
3662 | rn = "CacheErr"; |
3663 | break; | |
7a387fff TS |
3664 | default: |
3665 | goto die; | |
3666 | } | |
8c0fdd85 | 3667 | break; |
873eb012 TS |
3668 | case 28: |
3669 | switch (sel) { | |
3670 | case 0: | |
7a387fff TS |
3671 | case 2: |
3672 | case 4: | |
3673 | case 6: | |
d9bea114 | 3674 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
873eb012 TS |
3675 | rn = "TagLo"; |
3676 | break; | |
3677 | case 1: | |
7a387fff TS |
3678 | case 3: |
3679 | case 5: | |
3680 | case 7: | |
d9bea114 | 3681 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
873eb012 TS |
3682 | rn = "DataLo"; |
3683 | break; | |
3684 | default: | |
873eb012 TS |
3685 | goto die; |
3686 | } | |
3687 | break; | |
8c0fdd85 | 3688 | case 29: |
7a387fff TS |
3689 | switch (sel) { |
3690 | case 0: | |
3691 | case 2: | |
3692 | case 4: | |
3693 | case 6: | |
d9bea114 | 3694 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
7a387fff TS |
3695 | rn = "TagHi"; |
3696 | break; | |
3697 | case 1: | |
3698 | case 3: | |
3699 | case 5: | |
3700 | case 7: | |
d9bea114 | 3701 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
7a387fff TS |
3702 | rn = "DataHi"; |
3703 | break; | |
3704 | default: | |
3705 | goto die; | |
3706 | } | |
8c0fdd85 | 3707 | break; |
873eb012 | 3708 | case 30: |
7a387fff TS |
3709 | switch (sel) { |
3710 | case 0: | |
d9bea114 AJ |
3711 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
3712 | tcg_gen_ext32s_tl(arg, arg); | |
2423f660 TS |
3713 | rn = "ErrorEPC"; |
3714 | break; | |
7a387fff TS |
3715 | default: |
3716 | goto die; | |
3717 | } | |
873eb012 TS |
3718 | break; |
3719 | case 31: | |
7a387fff TS |
3720 | switch (sel) { |
3721 | case 0: | |
f0b3f3ae | 3722 | /* EJTAG support */ |
d9bea114 | 3723 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
2423f660 TS |
3724 | rn = "DESAVE"; |
3725 | break; | |
7a387fff TS |
3726 | default: |
3727 | goto die; | |
3728 | } | |
873eb012 TS |
3729 | break; |
3730 | default: | |
873eb012 TS |
3731 | goto die; |
3732 | } | |
d12d51d5 | 3733 | LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
873eb012 TS |
3734 | return; |
3735 | ||
3736 | die: | |
d12d51d5 | 3737 | LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
873eb012 TS |
3738 | generate_exception(ctx, EXCP_RI); |
3739 | } | |
3740 | ||
d9bea114 | 3741 | static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
8c0fdd85 | 3742 | { |
7a387fff TS |
3743 | const char *rn = "invalid"; |
3744 | ||
e189e748 TS |
3745 | if (sel != 0) |
3746 | check_insn(env, ctx, ISA_MIPS32); | |
3747 | ||
2e70f6ef PB |
3748 | if (use_icount) |
3749 | gen_io_start(); | |
3750 | ||
8c0fdd85 TS |
3751 | switch (reg) { |
3752 | case 0: | |
7a387fff TS |
3753 | switch (sel) { |
3754 | case 0: | |
d9bea114 | 3755 | gen_helper_mtc0_index(arg); |
7a387fff TS |
3756 | rn = "Index"; |
3757 | break; | |
3758 | case 1: | |
7385ac0b | 3759 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3760 | gen_helper_mtc0_mvpcontrol(arg); |
7a387fff | 3761 | rn = "MVPControl"; |
ead9360e | 3762 | break; |
7a387fff | 3763 | case 2: |
7385ac0b | 3764 | check_insn(env, ctx, ASE_MT); |
ead9360e | 3765 | /* ignored */ |
7a387fff | 3766 | rn = "MVPConf0"; |
ead9360e | 3767 | break; |
7a387fff | 3768 | case 3: |
7385ac0b | 3769 | check_insn(env, ctx, ASE_MT); |
ead9360e | 3770 | /* ignored */ |
7a387fff | 3771 | rn = "MVPConf1"; |
ead9360e | 3772 | break; |
7a387fff TS |
3773 | default: |
3774 | goto die; | |
3775 | } | |
8c0fdd85 TS |
3776 | break; |
3777 | case 1: | |
7a387fff TS |
3778 | switch (sel) { |
3779 | case 0: | |
2423f660 | 3780 | /* ignored */ |
7a387fff | 3781 | rn = "Random"; |
2423f660 | 3782 | break; |
7a387fff | 3783 | case 1: |
7385ac0b | 3784 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3785 | gen_helper_mtc0_vpecontrol(arg); |
7a387fff | 3786 | rn = "VPEControl"; |
ead9360e | 3787 | break; |
7a387fff | 3788 | case 2: |
7385ac0b | 3789 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3790 | gen_helper_mtc0_vpeconf0(arg); |
7a387fff | 3791 | rn = "VPEConf0"; |
ead9360e | 3792 | break; |
7a387fff | 3793 | case 3: |
7385ac0b | 3794 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3795 | gen_helper_mtc0_vpeconf1(arg); |
7a387fff | 3796 | rn = "VPEConf1"; |
ead9360e | 3797 | break; |
7a387fff | 3798 | case 4: |
7385ac0b | 3799 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3800 | gen_helper_mtc0_yqmask(arg); |
7a387fff | 3801 | rn = "YQMask"; |
ead9360e | 3802 | break; |
7a387fff | 3803 | case 5: |
7385ac0b | 3804 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3805 | gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule)); |
7a387fff | 3806 | rn = "VPESchedule"; |
ead9360e | 3807 | break; |
7a387fff | 3808 | case 6: |
7385ac0b | 3809 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3810 | gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
7a387fff | 3811 | rn = "VPEScheFBack"; |
ead9360e | 3812 | break; |
7a387fff | 3813 | case 7: |
7385ac0b | 3814 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3815 | gen_helper_mtc0_vpeopt(arg); |
7a387fff | 3816 | rn = "VPEOpt"; |
ead9360e | 3817 | break; |
7a387fff TS |
3818 | default: |
3819 | goto die; | |
3820 | } | |
8c0fdd85 TS |
3821 | break; |
3822 | case 2: | |
7a387fff TS |
3823 | switch (sel) { |
3824 | case 0: | |
d9bea114 | 3825 | gen_helper_mtc0_entrylo0(arg); |
2423f660 TS |
3826 | rn = "EntryLo0"; |
3827 | break; | |
7a387fff | 3828 | case 1: |
7385ac0b | 3829 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3830 | gen_helper_mtc0_tcstatus(arg); |
2423f660 | 3831 | rn = "TCStatus"; |
ead9360e | 3832 | break; |
7a387fff | 3833 | case 2: |
7385ac0b | 3834 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3835 | gen_helper_mtc0_tcbind(arg); |
2423f660 | 3836 | rn = "TCBind"; |
ead9360e | 3837 | break; |
7a387fff | 3838 | case 3: |
7385ac0b | 3839 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3840 | gen_helper_mtc0_tcrestart(arg); |
2423f660 | 3841 | rn = "TCRestart"; |
ead9360e | 3842 | break; |
7a387fff | 3843 | case 4: |
7385ac0b | 3844 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3845 | gen_helper_mtc0_tchalt(arg); |
2423f660 | 3846 | rn = "TCHalt"; |
ead9360e | 3847 | break; |
7a387fff | 3848 | case 5: |
7385ac0b | 3849 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3850 | gen_helper_mtc0_tccontext(arg); |
2423f660 | 3851 | rn = "TCContext"; |
ead9360e | 3852 | break; |
7a387fff | 3853 | case 6: |
7385ac0b | 3854 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3855 | gen_helper_mtc0_tcschedule(arg); |
2423f660 | 3856 | rn = "TCSchedule"; |
ead9360e | 3857 | break; |
7a387fff | 3858 | case 7: |
7385ac0b | 3859 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 3860 | gen_helper_mtc0_tcschefback(arg); |
2423f660 | 3861 | rn = "TCScheFBack"; |
ead9360e | 3862 | break; |
7a387fff TS |
3863 | default: |
3864 | goto die; | |
3865 | } | |
8c0fdd85 TS |
3866 | break; |
3867 | case 3: | |
7a387fff TS |
3868 | switch (sel) { |
3869 | case 0: | |
d9bea114 | 3870 | gen_helper_mtc0_entrylo1(arg); |
2423f660 TS |
3871 | rn = "EntryLo1"; |
3872 | break; | |
7a387fff TS |
3873 | default: |
3874 | goto die; | |
876d4b07 | 3875 | } |
8c0fdd85 TS |
3876 | break; |
3877 | case 4: | |
7a387fff TS |
3878 | switch (sel) { |
3879 | case 0: | |
d9bea114 | 3880 | gen_helper_mtc0_context(arg); |
2423f660 TS |
3881 | rn = "Context"; |
3882 | break; | |
7a387fff | 3883 | case 1: |
d9bea114 | 3884 | // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */ |
2423f660 TS |
3885 | rn = "ContextConfig"; |
3886 | // break; | |
7a387fff TS |
3887 | default: |
3888 | goto die; | |
876d4b07 | 3889 | } |
8c0fdd85 TS |
3890 | break; |
3891 | case 5: | |
7a387fff TS |
3892 | switch (sel) { |
3893 | case 0: | |
d9bea114 | 3894 | gen_helper_mtc0_pagemask(arg); |
2423f660 TS |
3895 | rn = "PageMask"; |
3896 | break; | |
7a387fff | 3897 | case 1: |
e189e748 | 3898 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3899 | gen_helper_mtc0_pagegrain(arg); |
2423f660 TS |
3900 | rn = "PageGrain"; |
3901 | break; | |
7a387fff TS |
3902 | default: |
3903 | goto die; | |
876d4b07 | 3904 | } |
8c0fdd85 TS |
3905 | break; |
3906 | case 6: | |
7a387fff TS |
3907 | switch (sel) { |
3908 | case 0: | |
d9bea114 | 3909 | gen_helper_mtc0_wired(arg); |
2423f660 TS |
3910 | rn = "Wired"; |
3911 | break; | |
7a387fff | 3912 | case 1: |
e189e748 | 3913 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3914 | gen_helper_mtc0_srsconf0(arg); |
2423f660 | 3915 | rn = "SRSConf0"; |
ead9360e | 3916 | break; |
7a387fff | 3917 | case 2: |
e189e748 | 3918 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3919 | gen_helper_mtc0_srsconf1(arg); |
2423f660 | 3920 | rn = "SRSConf1"; |
ead9360e | 3921 | break; |
7a387fff | 3922 | case 3: |
e189e748 | 3923 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3924 | gen_helper_mtc0_srsconf2(arg); |
2423f660 | 3925 | rn = "SRSConf2"; |
ead9360e | 3926 | break; |
7a387fff | 3927 | case 4: |
e189e748 | 3928 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3929 | gen_helper_mtc0_srsconf3(arg); |
2423f660 | 3930 | rn = "SRSConf3"; |
ead9360e | 3931 | break; |
7a387fff | 3932 | case 5: |
e189e748 | 3933 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3934 | gen_helper_mtc0_srsconf4(arg); |
2423f660 | 3935 | rn = "SRSConf4"; |
ead9360e | 3936 | break; |
7a387fff TS |
3937 | default: |
3938 | goto die; | |
876d4b07 | 3939 | } |
8c0fdd85 TS |
3940 | break; |
3941 | case 7: | |
7a387fff TS |
3942 | switch (sel) { |
3943 | case 0: | |
e189e748 | 3944 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 3945 | gen_helper_mtc0_hwrena(arg); |
2423f660 TS |
3946 | rn = "HWREna"; |
3947 | break; | |
7a387fff TS |
3948 | default: |
3949 | goto die; | |
876d4b07 | 3950 | } |
8c0fdd85 TS |
3951 | break; |
3952 | case 8: | |
7a387fff | 3953 | /* ignored */ |
f0b3f3ae | 3954 | rn = "BadVAddr"; |
8c0fdd85 TS |
3955 | break; |
3956 | case 9: | |
7a387fff TS |
3957 | switch (sel) { |
3958 | case 0: | |
d9bea114 | 3959 | gen_helper_mtc0_count(arg); |
2423f660 TS |
3960 | rn = "Count"; |
3961 | break; | |
876d4b07 | 3962 | /* 6,7 are implementation dependent */ |
7a387fff TS |
3963 | default: |
3964 | goto die; | |
876d4b07 | 3965 | } |
8c0fdd85 TS |
3966 | break; |
3967 | case 10: | |
7a387fff TS |
3968 | switch (sel) { |
3969 | case 0: | |
d9bea114 | 3970 | gen_helper_mtc0_entryhi(arg); |
2423f660 TS |
3971 | rn = "EntryHi"; |
3972 | break; | |
7a387fff TS |
3973 | default: |
3974 | goto die; | |
876d4b07 | 3975 | } |
8c0fdd85 TS |
3976 | break; |
3977 | case 11: | |
7a387fff TS |
3978 | switch (sel) { |
3979 | case 0: | |
d9bea114 | 3980 | gen_helper_mtc0_compare(arg); |
2423f660 TS |
3981 | rn = "Compare"; |
3982 | break; | |
3983 | /* 6,7 are implementation dependent */ | |
7a387fff TS |
3984 | default: |
3985 | goto die; | |
876d4b07 | 3986 | } |
8c0fdd85 TS |
3987 | break; |
3988 | case 12: | |
7a387fff TS |
3989 | switch (sel) { |
3990 | case 0: | |
867abc7e | 3991 | save_cpu_state(ctx, 1); |
d9bea114 | 3992 | gen_helper_mtc0_status(arg); |
8487327a TS |
3993 | /* BS_STOP isn't good enough here, hflags may have changed. */ |
3994 | gen_save_pc(ctx->pc + 4); | |
3995 | ctx->bstate = BS_EXCP; | |
2423f660 TS |
3996 | rn = "Status"; |
3997 | break; | |
7a387fff | 3998 | case 1: |
e189e748 | 3999 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4000 | gen_helper_mtc0_intctl(arg); |
8487327a TS |
4001 | /* Stop translation as we may have switched the execution mode */ |
4002 | ctx->bstate = BS_STOP; | |
2423f660 TS |
4003 | rn = "IntCtl"; |
4004 | break; | |
7a387fff | 4005 | case 2: |
e189e748 | 4006 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4007 | gen_helper_mtc0_srsctl(arg); |
8487327a TS |
4008 | /* Stop translation as we may have switched the execution mode */ |
4009 | ctx->bstate = BS_STOP; | |
2423f660 TS |
4010 | rn = "SRSCtl"; |
4011 | break; | |
7a387fff | 4012 | case 3: |
e189e748 | 4013 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4014 | gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
8487327a TS |
4015 | /* Stop translation as we may have switched the execution mode */ |
4016 | ctx->bstate = BS_STOP; | |
2423f660 | 4017 | rn = "SRSMap"; |
fd88b6ab | 4018 | break; |
7a387fff TS |
4019 | default: |
4020 | goto die; | |
876d4b07 | 4021 | } |
8c0fdd85 TS |
4022 | break; |
4023 | case 13: | |
7a387fff TS |
4024 | switch (sel) { |
4025 | case 0: | |
867abc7e | 4026 | save_cpu_state(ctx, 1); |
d9bea114 | 4027 | gen_helper_mtc0_cause(arg); |
2423f660 TS |
4028 | rn = "Cause"; |
4029 | break; | |
7a387fff TS |
4030 | default: |
4031 | goto die; | |
876d4b07 | 4032 | } |
8c0fdd85 TS |
4033 | break; |
4034 | case 14: | |
7a387fff TS |
4035 | switch (sel) { |
4036 | case 0: | |
d9bea114 | 4037 | gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC)); |
2423f660 TS |
4038 | rn = "EPC"; |
4039 | break; | |
7a387fff TS |
4040 | default: |
4041 | goto die; | |
876d4b07 | 4042 | } |
8c0fdd85 TS |
4043 | break; |
4044 | case 15: | |
7a387fff TS |
4045 | switch (sel) { |
4046 | case 0: | |
2423f660 TS |
4047 | /* ignored */ |
4048 | rn = "PRid"; | |
4049 | break; | |
7a387fff | 4050 | case 1: |
e189e748 | 4051 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4052 | gen_helper_mtc0_ebase(arg); |
2423f660 TS |
4053 | rn = "EBase"; |
4054 | break; | |
7a387fff TS |
4055 | default: |
4056 | goto die; | |
1579a72e | 4057 | } |
8c0fdd85 TS |
4058 | break; |
4059 | case 16: | |
4060 | switch (sel) { | |
4061 | case 0: | |
d9bea114 | 4062 | gen_helper_mtc0_config0(arg); |
7a387fff | 4063 | rn = "Config"; |
2423f660 TS |
4064 | /* Stop translation as we may have switched the execution mode */ |
4065 | ctx->bstate = BS_STOP; | |
7a387fff TS |
4066 | break; |
4067 | case 1: | |
e397ee33 | 4068 | /* ignored, read only */ |
7a387fff TS |
4069 | rn = "Config1"; |
4070 | break; | |
4071 | case 2: | |
d9bea114 | 4072 | gen_helper_mtc0_config2(arg); |
7a387fff | 4073 | rn = "Config2"; |
2423f660 TS |
4074 | /* Stop translation as we may have switched the execution mode */ |
4075 | ctx->bstate = BS_STOP; | |
8c0fdd85 | 4076 | break; |
7a387fff | 4077 | case 3: |
e397ee33 | 4078 | /* ignored, read only */ |
7a387fff TS |
4079 | rn = "Config3"; |
4080 | break; | |
e397ee33 TS |
4081 | /* 4,5 are reserved */ |
4082 | /* 6,7 are implementation dependent */ | |
4083 | case 6: | |
4084 | /* ignored */ | |
4085 | rn = "Config6"; | |
4086 | break; | |
4087 | case 7: | |
4088 | /* ignored */ | |
4089 | rn = "Config7"; | |
4090 | break; | |
8c0fdd85 TS |
4091 | default: |
4092 | rn = "Invalid config selector"; | |
4093 | goto die; | |
4094 | } | |
4095 | break; | |
4096 | case 17: | |
7a387fff TS |
4097 | switch (sel) { |
4098 | case 0: | |
2a6e32dd | 4099 | gen_helper_mtc0_lladdr(arg); |
2423f660 TS |
4100 | rn = "LLAddr"; |
4101 | break; | |
7a387fff TS |
4102 | default: |
4103 | goto die; | |
4104 | } | |
8c0fdd85 TS |
4105 | break; |
4106 | case 18: | |
7a387fff | 4107 | switch (sel) { |
fd88b6ab | 4108 | case 0 ... 7: |
d9bea114 | 4109 | gen_helper_1i(mtc0_watchlo, arg, sel); |
2423f660 TS |
4110 | rn = "WatchLo"; |
4111 | break; | |
7a387fff TS |
4112 | default: |
4113 | goto die; | |
4114 | } | |
8c0fdd85 TS |
4115 | break; |
4116 | case 19: | |
7a387fff | 4117 | switch (sel) { |
fd88b6ab | 4118 | case 0 ... 7: |
d9bea114 | 4119 | gen_helper_1i(mtc0_watchhi, arg, sel); |
2423f660 TS |
4120 | rn = "WatchHi"; |
4121 | break; | |
7a387fff TS |
4122 | default: |
4123 | goto die; | |
4124 | } | |
8c0fdd85 TS |
4125 | break; |
4126 | case 20: | |
7a387fff TS |
4127 | switch (sel) { |
4128 | case 0: | |
d26bc211 | 4129 | #if defined(TARGET_MIPS64) |
e189e748 | 4130 | check_insn(env, ctx, ISA_MIPS3); |
d9bea114 | 4131 | gen_helper_mtc0_xcontext(arg); |
2423f660 TS |
4132 | rn = "XContext"; |
4133 | break; | |
703eaf37 | 4134 | #endif |
7a387fff TS |
4135 | default: |
4136 | goto die; | |
4137 | } | |
8c0fdd85 TS |
4138 | break; |
4139 | case 21: | |
7a387fff TS |
4140 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ |
4141 | switch (sel) { | |
4142 | case 0: | |
d9bea114 | 4143 | gen_helper_mtc0_framemask(arg); |
2423f660 TS |
4144 | rn = "Framemask"; |
4145 | break; | |
7a387fff TS |
4146 | default: |
4147 | goto die; | |
4148 | } | |
4149 | break; | |
8c0fdd85 | 4150 | case 22: |
7a387fff TS |
4151 | /* ignored */ |
4152 | rn = "Diagnostic"; /* implementation dependent */ | |
2423f660 | 4153 | break; |
8c0fdd85 | 4154 | case 23: |
7a387fff TS |
4155 | switch (sel) { |
4156 | case 0: | |
d9bea114 | 4157 | gen_helper_mtc0_debug(arg); /* EJTAG support */ |
8487327a TS |
4158 | /* BS_STOP isn't good enough here, hflags may have changed. */ |
4159 | gen_save_pc(ctx->pc + 4); | |
4160 | ctx->bstate = BS_EXCP; | |
2423f660 TS |
4161 | rn = "Debug"; |
4162 | break; | |
7a387fff | 4163 | case 1: |
d9bea114 | 4164 | // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */ |
2423f660 | 4165 | rn = "TraceControl"; |
8487327a TS |
4166 | /* Stop translation as we may have switched the execution mode */ |
4167 | ctx->bstate = BS_STOP; | |
2423f660 | 4168 | // break; |
7a387fff | 4169 | case 2: |
d9bea114 | 4170 | // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */ |
2423f660 | 4171 | rn = "TraceControl2"; |
8487327a TS |
4172 | /* Stop translation as we may have switched the execution mode */ |
4173 | ctx->bstate = BS_STOP; | |
2423f660 | 4174 | // break; |
7a387fff | 4175 | case 3: |
8487327a TS |
4176 | /* Stop translation as we may have switched the execution mode */ |
4177 | ctx->bstate = BS_STOP; | |
d9bea114 | 4178 | // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */ |
2423f660 | 4179 | rn = "UserTraceData"; |
8487327a TS |
4180 | /* Stop translation as we may have switched the execution mode */ |
4181 | ctx->bstate = BS_STOP; | |
2423f660 | 4182 | // break; |
7a387fff | 4183 | case 4: |
d9bea114 | 4184 | // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */ |
8487327a TS |
4185 | /* Stop translation as we may have switched the execution mode */ |
4186 | ctx->bstate = BS_STOP; | |
2423f660 TS |
4187 | rn = "TraceBPC"; |
4188 | // break; | |
7a387fff TS |
4189 | default: |
4190 | goto die; | |
4191 | } | |
8c0fdd85 TS |
4192 | break; |
4193 | case 24: | |
7a387fff TS |
4194 | switch (sel) { |
4195 | case 0: | |
f1aa6320 | 4196 | /* EJTAG support */ |
d9bea114 | 4197 | gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC)); |
2423f660 TS |
4198 | rn = "DEPC"; |
4199 | break; | |
7a387fff TS |
4200 | default: |
4201 | goto die; | |
4202 | } | |
8c0fdd85 TS |
4203 | break; |
4204 | case 25: | |
7a387fff TS |
4205 | switch (sel) { |
4206 | case 0: | |
d9bea114 | 4207 | gen_helper_mtc0_performance0(arg); |
2423f660 TS |
4208 | rn = "Performance0"; |
4209 | break; | |
7a387fff | 4210 | case 1: |
d9bea114 | 4211 | // gen_helper_mtc0_performance1(arg); |
2423f660 TS |
4212 | rn = "Performance1"; |
4213 | // break; | |
7a387fff | 4214 | case 2: |
d9bea114 | 4215 | // gen_helper_mtc0_performance2(arg); |
2423f660 TS |
4216 | rn = "Performance2"; |
4217 | // break; | |
7a387fff | 4218 | case 3: |
d9bea114 | 4219 | // gen_helper_mtc0_performance3(arg); |
2423f660 TS |
4220 | rn = "Performance3"; |
4221 | // break; | |
7a387fff | 4222 | case 4: |
d9bea114 | 4223 | // gen_helper_mtc0_performance4(arg); |
2423f660 TS |
4224 | rn = "Performance4"; |
4225 | // break; | |
7a387fff | 4226 | case 5: |
d9bea114 | 4227 | // gen_helper_mtc0_performance5(arg); |
2423f660 TS |
4228 | rn = "Performance5"; |
4229 | // break; | |
7a387fff | 4230 | case 6: |
d9bea114 | 4231 | // gen_helper_mtc0_performance6(arg); |
2423f660 TS |
4232 | rn = "Performance6"; |
4233 | // break; | |
7a387fff | 4234 | case 7: |
d9bea114 | 4235 | // gen_helper_mtc0_performance7(arg); |
2423f660 TS |
4236 | rn = "Performance7"; |
4237 | // break; | |
7a387fff TS |
4238 | default: |
4239 | goto die; | |
4240 | } | |
8c0fdd85 TS |
4241 | break; |
4242 | case 26: | |
2423f660 | 4243 | /* ignored */ |
8c0fdd85 | 4244 | rn = "ECC"; |
2423f660 | 4245 | break; |
8c0fdd85 | 4246 | case 27: |
7a387fff TS |
4247 | switch (sel) { |
4248 | case 0 ... 3: | |
2423f660 TS |
4249 | /* ignored */ |
4250 | rn = "CacheErr"; | |
4251 | break; | |
7a387fff TS |
4252 | default: |
4253 | goto die; | |
4254 | } | |
8c0fdd85 TS |
4255 | break; |
4256 | case 28: | |
4257 | switch (sel) { | |
4258 | case 0: | |
7a387fff TS |
4259 | case 2: |
4260 | case 4: | |
4261 | case 6: | |
d9bea114 | 4262 | gen_helper_mtc0_taglo(arg); |
8c0fdd85 TS |
4263 | rn = "TagLo"; |
4264 | break; | |
7a387fff TS |
4265 | case 1: |
4266 | case 3: | |
4267 | case 5: | |
4268 | case 7: | |
d9bea114 | 4269 | gen_helper_mtc0_datalo(arg); |
7a387fff TS |
4270 | rn = "DataLo"; |
4271 | break; | |
8c0fdd85 | 4272 | default: |
8c0fdd85 TS |
4273 | goto die; |
4274 | } | |
4275 | break; | |
4276 | case 29: | |
7a387fff TS |
4277 | switch (sel) { |
4278 | case 0: | |
4279 | case 2: | |
4280 | case 4: | |
4281 | case 6: | |
d9bea114 | 4282 | gen_helper_mtc0_taghi(arg); |
7a387fff TS |
4283 | rn = "TagHi"; |
4284 | break; | |
4285 | case 1: | |
4286 | case 3: | |
4287 | case 5: | |
4288 | case 7: | |
d9bea114 | 4289 | gen_helper_mtc0_datahi(arg); |
7a387fff TS |
4290 | rn = "DataHi"; |
4291 | break; | |
4292 | default: | |
4293 | rn = "invalid sel"; | |
4294 | goto die; | |
4295 | } | |
8c0fdd85 TS |
4296 | break; |
4297 | case 30: | |
7a387fff TS |
4298 | switch (sel) { |
4299 | case 0: | |
d9bea114 | 4300 | gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC)); |
2423f660 TS |
4301 | rn = "ErrorEPC"; |
4302 | break; | |
7a387fff TS |
4303 | default: |
4304 | goto die; | |
4305 | } | |
8c0fdd85 TS |
4306 | break; |
4307 | case 31: | |
7a387fff TS |
4308 | switch (sel) { |
4309 | case 0: | |
f1aa6320 | 4310 | /* EJTAG support */ |
d9bea114 | 4311 | gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
2423f660 TS |
4312 | rn = "DESAVE"; |
4313 | break; | |
7a387fff TS |
4314 | default: |
4315 | goto die; | |
4316 | } | |
2423f660 TS |
4317 | /* Stop translation as we may have switched the execution mode */ |
4318 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
4319 | break; |
4320 | default: | |
8c0fdd85 TS |
4321 | goto die; |
4322 | } | |
d12d51d5 | 4323 | LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
bf20dc07 | 4324 | /* For simplicity assume that all writes can cause interrupts. */ |
2e70f6ef PB |
4325 | if (use_icount) { |
4326 | gen_io_end(); | |
4327 | ctx->bstate = BS_STOP; | |
4328 | } | |
8c0fdd85 TS |
4329 | return; |
4330 | ||
4331 | die: | |
d12d51d5 | 4332 | LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
8c0fdd85 TS |
4333 | generate_exception(ctx, EXCP_RI); |
4334 | } | |
4335 | ||
d26bc211 | 4336 | #if defined(TARGET_MIPS64) |
d9bea114 | 4337 | static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
9c2149c8 TS |
4338 | { |
4339 | const char *rn = "invalid"; | |
4340 | ||
e189e748 TS |
4341 | if (sel != 0) |
4342 | check_insn(env, ctx, ISA_MIPS64); | |
4343 | ||
9c2149c8 TS |
4344 | switch (reg) { |
4345 | case 0: | |
4346 | switch (sel) { | |
4347 | case 0: | |
d9bea114 | 4348 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
9c2149c8 TS |
4349 | rn = "Index"; |
4350 | break; | |
4351 | case 1: | |
7385ac0b | 4352 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4353 | gen_helper_mfc0_mvpcontrol(arg); |
9c2149c8 | 4354 | rn = "MVPControl"; |
ead9360e | 4355 | break; |
9c2149c8 | 4356 | case 2: |
7385ac0b | 4357 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4358 | gen_helper_mfc0_mvpconf0(arg); |
9c2149c8 | 4359 | rn = "MVPConf0"; |
ead9360e | 4360 | break; |
9c2149c8 | 4361 | case 3: |
7385ac0b | 4362 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4363 | gen_helper_mfc0_mvpconf1(arg); |
9c2149c8 | 4364 | rn = "MVPConf1"; |
ead9360e | 4365 | break; |
9c2149c8 TS |
4366 | default: |
4367 | goto die; | |
4368 | } | |
4369 | break; | |
4370 | case 1: | |
4371 | switch (sel) { | |
4372 | case 0: | |
d9bea114 | 4373 | gen_helper_mfc0_random(arg); |
9c2149c8 | 4374 | rn = "Random"; |
2423f660 | 4375 | break; |
9c2149c8 | 4376 | case 1: |
7385ac0b | 4377 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4378 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
9c2149c8 | 4379 | rn = "VPEControl"; |
ead9360e | 4380 | break; |
9c2149c8 | 4381 | case 2: |
7385ac0b | 4382 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4383 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
9c2149c8 | 4384 | rn = "VPEConf0"; |
ead9360e | 4385 | break; |
9c2149c8 | 4386 | case 3: |
7385ac0b | 4387 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4388 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
9c2149c8 | 4389 | rn = "VPEConf1"; |
ead9360e | 4390 | break; |
9c2149c8 | 4391 | case 4: |
7385ac0b | 4392 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4393 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask)); |
9c2149c8 | 4394 | rn = "YQMask"; |
ead9360e | 4395 | break; |
9c2149c8 | 4396 | case 5: |
7385ac0b | 4397 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4398 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
9c2149c8 | 4399 | rn = "VPESchedule"; |
ead9360e | 4400 | break; |
9c2149c8 | 4401 | case 6: |
7385ac0b | 4402 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4403 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
9c2149c8 | 4404 | rn = "VPEScheFBack"; |
ead9360e | 4405 | break; |
9c2149c8 | 4406 | case 7: |
7385ac0b | 4407 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4408 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
9c2149c8 | 4409 | rn = "VPEOpt"; |
ead9360e | 4410 | break; |
9c2149c8 TS |
4411 | default: |
4412 | goto die; | |
4413 | } | |
4414 | break; | |
4415 | case 2: | |
4416 | switch (sel) { | |
4417 | case 0: | |
d9bea114 | 4418 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
2423f660 TS |
4419 | rn = "EntryLo0"; |
4420 | break; | |
9c2149c8 | 4421 | case 1: |
7385ac0b | 4422 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4423 | gen_helper_mfc0_tcstatus(arg); |
2423f660 | 4424 | rn = "TCStatus"; |
ead9360e | 4425 | break; |
9c2149c8 | 4426 | case 2: |
7385ac0b | 4427 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4428 | gen_helper_mfc0_tcbind(arg); |
2423f660 | 4429 | rn = "TCBind"; |
ead9360e | 4430 | break; |
9c2149c8 | 4431 | case 3: |
7385ac0b | 4432 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4433 | gen_helper_dmfc0_tcrestart(arg); |
2423f660 | 4434 | rn = "TCRestart"; |
ead9360e | 4435 | break; |
9c2149c8 | 4436 | case 4: |
7385ac0b | 4437 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4438 | gen_helper_dmfc0_tchalt(arg); |
2423f660 | 4439 | rn = "TCHalt"; |
ead9360e | 4440 | break; |
9c2149c8 | 4441 | case 5: |
7385ac0b | 4442 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4443 | gen_helper_dmfc0_tccontext(arg); |
2423f660 | 4444 | rn = "TCContext"; |
ead9360e | 4445 | break; |
9c2149c8 | 4446 | case 6: |
7385ac0b | 4447 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4448 | gen_helper_dmfc0_tcschedule(arg); |
2423f660 | 4449 | rn = "TCSchedule"; |
ead9360e | 4450 | break; |
9c2149c8 | 4451 | case 7: |
7385ac0b | 4452 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4453 | gen_helper_dmfc0_tcschefback(arg); |
2423f660 | 4454 | rn = "TCScheFBack"; |
ead9360e | 4455 | break; |
9c2149c8 TS |
4456 | default: |
4457 | goto die; | |
4458 | } | |
4459 | break; | |
4460 | case 3: | |
4461 | switch (sel) { | |
4462 | case 0: | |
d9bea114 | 4463 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
2423f660 TS |
4464 | rn = "EntryLo1"; |
4465 | break; | |
9c2149c8 TS |
4466 | default: |
4467 | goto die; | |
1579a72e | 4468 | } |
9c2149c8 TS |
4469 | break; |
4470 | case 4: | |
4471 | switch (sel) { | |
4472 | case 0: | |
d9bea114 | 4473 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
2423f660 TS |
4474 | rn = "Context"; |
4475 | break; | |
9c2149c8 | 4476 | case 1: |
d9bea114 | 4477 | // gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */ |
2423f660 TS |
4478 | rn = "ContextConfig"; |
4479 | // break; | |
9c2149c8 TS |
4480 | default: |
4481 | goto die; | |
876d4b07 | 4482 | } |
9c2149c8 TS |
4483 | break; |
4484 | case 5: | |
4485 | switch (sel) { | |
4486 | case 0: | |
d9bea114 | 4487 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
2423f660 TS |
4488 | rn = "PageMask"; |
4489 | break; | |
9c2149c8 | 4490 | case 1: |
e189e748 | 4491 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4492 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
2423f660 TS |
4493 | rn = "PageGrain"; |
4494 | break; | |
9c2149c8 TS |
4495 | default: |
4496 | goto die; | |
876d4b07 | 4497 | } |
9c2149c8 TS |
4498 | break; |
4499 | case 6: | |
4500 | switch (sel) { | |
4501 | case 0: | |
d9bea114 | 4502 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
2423f660 TS |
4503 | rn = "Wired"; |
4504 | break; | |
9c2149c8 | 4505 | case 1: |
e189e748 | 4506 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4507 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
2423f660 | 4508 | rn = "SRSConf0"; |
ead9360e | 4509 | break; |
9c2149c8 | 4510 | case 2: |
e189e748 | 4511 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4512 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
2423f660 | 4513 | rn = "SRSConf1"; |
ead9360e | 4514 | break; |
9c2149c8 | 4515 | case 3: |
e189e748 | 4516 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4517 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
2423f660 | 4518 | rn = "SRSConf2"; |
ead9360e | 4519 | break; |
9c2149c8 | 4520 | case 4: |
e189e748 | 4521 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4522 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
2423f660 | 4523 | rn = "SRSConf3"; |
ead9360e | 4524 | break; |
9c2149c8 | 4525 | case 5: |
e189e748 | 4526 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4527 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
2423f660 | 4528 | rn = "SRSConf4"; |
ead9360e | 4529 | break; |
9c2149c8 TS |
4530 | default: |
4531 | goto die; | |
876d4b07 | 4532 | } |
9c2149c8 TS |
4533 | break; |
4534 | case 7: | |
4535 | switch (sel) { | |
4536 | case 0: | |
e189e748 | 4537 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4538 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
2423f660 TS |
4539 | rn = "HWREna"; |
4540 | break; | |
9c2149c8 TS |
4541 | default: |
4542 | goto die; | |
876d4b07 | 4543 | } |
9c2149c8 TS |
4544 | break; |
4545 | case 8: | |
4546 | switch (sel) { | |
4547 | case 0: | |
d9bea114 | 4548 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
f0b3f3ae | 4549 | rn = "BadVAddr"; |
2423f660 | 4550 | break; |
9c2149c8 TS |
4551 | default: |
4552 | goto die; | |
876d4b07 | 4553 | } |
9c2149c8 TS |
4554 | break; |
4555 | case 9: | |
4556 | switch (sel) { | |
4557 | case 0: | |
2e70f6ef PB |
4558 | /* Mark as an IO operation because we read the time. */ |
4559 | if (use_icount) | |
4560 | gen_io_start(); | |
d9bea114 | 4561 | gen_helper_mfc0_count(arg); |
2e70f6ef PB |
4562 | if (use_icount) { |
4563 | gen_io_end(); | |
4564 | ctx->bstate = BS_STOP; | |
4565 | } | |
2423f660 TS |
4566 | rn = "Count"; |
4567 | break; | |
4568 | /* 6,7 are implementation dependent */ | |
9c2149c8 TS |
4569 | default: |
4570 | goto die; | |
876d4b07 | 4571 | } |
9c2149c8 TS |
4572 | break; |
4573 | case 10: | |
4574 | switch (sel) { | |
4575 | case 0: | |
d9bea114 | 4576 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
2423f660 TS |
4577 | rn = "EntryHi"; |
4578 | break; | |
9c2149c8 TS |
4579 | default: |
4580 | goto die; | |
876d4b07 | 4581 | } |
9c2149c8 TS |
4582 | break; |
4583 | case 11: | |
4584 | switch (sel) { | |
4585 | case 0: | |
d9bea114 | 4586 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
2423f660 TS |
4587 | rn = "Compare"; |
4588 | break; | |
876d4b07 | 4589 | /* 6,7 are implementation dependent */ |
9c2149c8 TS |
4590 | default: |
4591 | goto die; | |
876d4b07 | 4592 | } |
9c2149c8 TS |
4593 | break; |
4594 | case 12: | |
4595 | switch (sel) { | |
4596 | case 0: | |
d9bea114 | 4597 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
2423f660 TS |
4598 | rn = "Status"; |
4599 | break; | |
9c2149c8 | 4600 | case 1: |
e189e748 | 4601 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4602 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
2423f660 TS |
4603 | rn = "IntCtl"; |
4604 | break; | |
9c2149c8 | 4605 | case 2: |
e189e748 | 4606 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4607 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
2423f660 TS |
4608 | rn = "SRSCtl"; |
4609 | break; | |
9c2149c8 | 4610 | case 3: |
e189e748 | 4611 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4612 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
2423f660 TS |
4613 | rn = "SRSMap"; |
4614 | break; | |
9c2149c8 TS |
4615 | default: |
4616 | goto die; | |
876d4b07 | 4617 | } |
9c2149c8 TS |
4618 | break; |
4619 | case 13: | |
4620 | switch (sel) { | |
4621 | case 0: | |
d9bea114 | 4622 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
2423f660 TS |
4623 | rn = "Cause"; |
4624 | break; | |
9c2149c8 TS |
4625 | default: |
4626 | goto die; | |
876d4b07 | 4627 | } |
9c2149c8 TS |
4628 | break; |
4629 | case 14: | |
4630 | switch (sel) { | |
4631 | case 0: | |
d9bea114 | 4632 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
2423f660 TS |
4633 | rn = "EPC"; |
4634 | break; | |
9c2149c8 TS |
4635 | default: |
4636 | goto die; | |
876d4b07 | 4637 | } |
9c2149c8 TS |
4638 | break; |
4639 | case 15: | |
4640 | switch (sel) { | |
4641 | case 0: | |
d9bea114 | 4642 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
2423f660 TS |
4643 | rn = "PRid"; |
4644 | break; | |
9c2149c8 | 4645 | case 1: |
e189e748 | 4646 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 4647 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
2423f660 TS |
4648 | rn = "EBase"; |
4649 | break; | |
9c2149c8 TS |
4650 | default: |
4651 | goto die; | |
876d4b07 | 4652 | } |
9c2149c8 TS |
4653 | break; |
4654 | case 16: | |
4655 | switch (sel) { | |
4656 | case 0: | |
d9bea114 | 4657 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
9c2149c8 TS |
4658 | rn = "Config"; |
4659 | break; | |
4660 | case 1: | |
d9bea114 | 4661 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
9c2149c8 TS |
4662 | rn = "Config1"; |
4663 | break; | |
4664 | case 2: | |
d9bea114 | 4665 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
9c2149c8 TS |
4666 | rn = "Config2"; |
4667 | break; | |
4668 | case 3: | |
d9bea114 | 4669 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
9c2149c8 TS |
4670 | rn = "Config3"; |
4671 | break; | |
4672 | /* 6,7 are implementation dependent */ | |
f0b3f3ae | 4673 | case 6: |
d9bea114 | 4674 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
f0b3f3ae TS |
4675 | rn = "Config6"; |
4676 | break; | |
4677 | case 7: | |
d9bea114 | 4678 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
f0b3f3ae TS |
4679 | rn = "Config7"; |
4680 | break; | |
9c2149c8 TS |
4681 | default: |
4682 | goto die; | |
4683 | } | |
4684 | break; | |
4685 | case 17: | |
4686 | switch (sel) { | |
4687 | case 0: | |
d9bea114 | 4688 | gen_helper_dmfc0_lladdr(arg); |
2423f660 TS |
4689 | rn = "LLAddr"; |
4690 | break; | |
9c2149c8 TS |
4691 | default: |
4692 | goto die; | |
4693 | } | |
4694 | break; | |
4695 | case 18: | |
4696 | switch (sel) { | |
fd88b6ab | 4697 | case 0 ... 7: |
d9bea114 | 4698 | gen_helper_1i(dmfc0_watchlo, arg, sel); |
2423f660 TS |
4699 | rn = "WatchLo"; |
4700 | break; | |
9c2149c8 TS |
4701 | default: |
4702 | goto die; | |
4703 | } | |
4704 | break; | |
4705 | case 19: | |
4706 | switch (sel) { | |
fd88b6ab | 4707 | case 0 ... 7: |
d9bea114 | 4708 | gen_helper_1i(mfc0_watchhi, arg, sel); |
2423f660 TS |
4709 | rn = "WatchHi"; |
4710 | break; | |
9c2149c8 TS |
4711 | default: |
4712 | goto die; | |
4713 | } | |
4714 | break; | |
4715 | case 20: | |
4716 | switch (sel) { | |
4717 | case 0: | |
e189e748 | 4718 | check_insn(env, ctx, ISA_MIPS3); |
d9bea114 | 4719 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
2423f660 TS |
4720 | rn = "XContext"; |
4721 | break; | |
9c2149c8 TS |
4722 | default: |
4723 | goto die; | |
4724 | } | |
4725 | break; | |
4726 | case 21: | |
4727 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ | |
4728 | switch (sel) { | |
4729 | case 0: | |
d9bea114 | 4730 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
2423f660 TS |
4731 | rn = "Framemask"; |
4732 | break; | |
9c2149c8 TS |
4733 | default: |
4734 | goto die; | |
4735 | } | |
4736 | break; | |
4737 | case 22: | |
d9bea114 | 4738 | tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
2423f660 TS |
4739 | rn = "'Diagnostic"; /* implementation dependent */ |
4740 | break; | |
9c2149c8 TS |
4741 | case 23: |
4742 | switch (sel) { | |
4743 | case 0: | |
d9bea114 | 4744 | gen_helper_mfc0_debug(arg); /* EJTAG support */ |
2423f660 TS |
4745 | rn = "Debug"; |
4746 | break; | |
9c2149c8 | 4747 | case 1: |
d9bea114 | 4748 | // gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */ |
2423f660 TS |
4749 | rn = "TraceControl"; |
4750 | // break; | |
9c2149c8 | 4751 | case 2: |
d9bea114 | 4752 | // gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */ |
2423f660 TS |
4753 | rn = "TraceControl2"; |
4754 | // break; | |
9c2149c8 | 4755 | case 3: |
d9bea114 | 4756 | // gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */ |
2423f660 TS |
4757 | rn = "UserTraceData"; |
4758 | // break; | |
9c2149c8 | 4759 | case 4: |
d9bea114 | 4760 | // gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */ |
2423f660 TS |
4761 | rn = "TraceBPC"; |
4762 | // break; | |
9c2149c8 TS |
4763 | default: |
4764 | goto die; | |
4765 | } | |
4766 | break; | |
4767 | case 24: | |
4768 | switch (sel) { | |
4769 | case 0: | |
f0b3f3ae | 4770 | /* EJTAG support */ |
d9bea114 | 4771 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
2423f660 TS |
4772 | rn = "DEPC"; |
4773 | break; | |
9c2149c8 TS |
4774 | default: |
4775 | goto die; | |
4776 | } | |
4777 | break; | |
4778 | case 25: | |
4779 | switch (sel) { | |
4780 | case 0: | |
d9bea114 | 4781 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
2423f660 | 4782 | rn = "Performance0"; |
9c2149c8 TS |
4783 | break; |
4784 | case 1: | |
d9bea114 | 4785 | // gen_helper_dmfc0_performance1(arg); |
2423f660 TS |
4786 | rn = "Performance1"; |
4787 | // break; | |
9c2149c8 | 4788 | case 2: |
d9bea114 | 4789 | // gen_helper_dmfc0_performance2(arg); |
2423f660 TS |
4790 | rn = "Performance2"; |
4791 | // break; | |
9c2149c8 | 4792 | case 3: |
d9bea114 | 4793 | // gen_helper_dmfc0_performance3(arg); |
2423f660 TS |
4794 | rn = "Performance3"; |
4795 | // break; | |
9c2149c8 | 4796 | case 4: |
d9bea114 | 4797 | // gen_helper_dmfc0_performance4(arg); |
2423f660 TS |
4798 | rn = "Performance4"; |
4799 | // break; | |
9c2149c8 | 4800 | case 5: |
d9bea114 | 4801 | // gen_helper_dmfc0_performance5(arg); |
2423f660 TS |
4802 | rn = "Performance5"; |
4803 | // break; | |
9c2149c8 | 4804 | case 6: |
d9bea114 | 4805 | // gen_helper_dmfc0_performance6(arg); |
2423f660 TS |
4806 | rn = "Performance6"; |
4807 | // break; | |
9c2149c8 | 4808 | case 7: |
d9bea114 | 4809 | // gen_helper_dmfc0_performance7(arg); |
2423f660 TS |
4810 | rn = "Performance7"; |
4811 | // break; | |
9c2149c8 TS |
4812 | default: |
4813 | goto die; | |
4814 | } | |
4815 | break; | |
4816 | case 26: | |
d9bea114 | 4817 | tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
da80682b AJ |
4818 | rn = "ECC"; |
4819 | break; | |
9c2149c8 TS |
4820 | case 27: |
4821 | switch (sel) { | |
4822 | /* ignored */ | |
4823 | case 0 ... 3: | |
d9bea114 | 4824 | tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
2423f660 TS |
4825 | rn = "CacheErr"; |
4826 | break; | |
9c2149c8 TS |
4827 | default: |
4828 | goto die; | |
4829 | } | |
4830 | break; | |
4831 | case 28: | |
4832 | switch (sel) { | |
4833 | case 0: | |
4834 | case 2: | |
4835 | case 4: | |
4836 | case 6: | |
d9bea114 | 4837 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
9c2149c8 TS |
4838 | rn = "TagLo"; |
4839 | break; | |
4840 | case 1: | |
4841 | case 3: | |
4842 | case 5: | |
4843 | case 7: | |
d9bea114 | 4844 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
9c2149c8 TS |
4845 | rn = "DataLo"; |
4846 | break; | |
4847 | default: | |
4848 | goto die; | |
4849 | } | |
4850 | break; | |
4851 | case 29: | |
4852 | switch (sel) { | |
4853 | case 0: | |
4854 | case 2: | |
4855 | case 4: | |
4856 | case 6: | |
d9bea114 | 4857 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
9c2149c8 TS |
4858 | rn = "TagHi"; |
4859 | break; | |
4860 | case 1: | |
4861 | case 3: | |
4862 | case 5: | |
4863 | case 7: | |
d9bea114 | 4864 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
9c2149c8 TS |
4865 | rn = "DataHi"; |
4866 | break; | |
4867 | default: | |
4868 | goto die; | |
4869 | } | |
4870 | break; | |
4871 | case 30: | |
4872 | switch (sel) { | |
4873 | case 0: | |
d9bea114 | 4874 | tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
2423f660 TS |
4875 | rn = "ErrorEPC"; |
4876 | break; | |
9c2149c8 TS |
4877 | default: |
4878 | goto die; | |
4879 | } | |
4880 | break; | |
4881 | case 31: | |
4882 | switch (sel) { | |
4883 | case 0: | |
f0b3f3ae | 4884 | /* EJTAG support */ |
d9bea114 | 4885 | gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
2423f660 TS |
4886 | rn = "DESAVE"; |
4887 | break; | |
9c2149c8 TS |
4888 | default: |
4889 | goto die; | |
4890 | } | |
4891 | break; | |
4892 | default: | |
876d4b07 | 4893 | goto die; |
9c2149c8 | 4894 | } |
d12d51d5 | 4895 | LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
9c2149c8 TS |
4896 | return; |
4897 | ||
4898 | die: | |
d12d51d5 | 4899 | LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
9c2149c8 TS |
4900 | generate_exception(ctx, EXCP_RI); |
4901 | } | |
4902 | ||
d9bea114 | 4903 | static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
9c2149c8 TS |
4904 | { |
4905 | const char *rn = "invalid"; | |
4906 | ||
e189e748 TS |
4907 | if (sel != 0) |
4908 | check_insn(env, ctx, ISA_MIPS64); | |
4909 | ||
2e70f6ef PB |
4910 | if (use_icount) |
4911 | gen_io_start(); | |
4912 | ||
9c2149c8 TS |
4913 | switch (reg) { |
4914 | case 0: | |
4915 | switch (sel) { | |
4916 | case 0: | |
d9bea114 | 4917 | gen_helper_mtc0_index(arg); |
9c2149c8 TS |
4918 | rn = "Index"; |
4919 | break; | |
4920 | case 1: | |
7385ac0b | 4921 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4922 | gen_helper_mtc0_mvpcontrol(arg); |
9c2149c8 | 4923 | rn = "MVPControl"; |
ead9360e | 4924 | break; |
9c2149c8 | 4925 | case 2: |
7385ac0b | 4926 | check_insn(env, ctx, ASE_MT); |
ead9360e | 4927 | /* ignored */ |
9c2149c8 | 4928 | rn = "MVPConf0"; |
ead9360e | 4929 | break; |
9c2149c8 | 4930 | case 3: |
7385ac0b | 4931 | check_insn(env, ctx, ASE_MT); |
ead9360e | 4932 | /* ignored */ |
9c2149c8 | 4933 | rn = "MVPConf1"; |
ead9360e | 4934 | break; |
9c2149c8 TS |
4935 | default: |
4936 | goto die; | |
4937 | } | |
4938 | break; | |
4939 | case 1: | |
4940 | switch (sel) { | |
4941 | case 0: | |
2423f660 | 4942 | /* ignored */ |
9c2149c8 | 4943 | rn = "Random"; |
2423f660 | 4944 | break; |
9c2149c8 | 4945 | case 1: |
7385ac0b | 4946 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4947 | gen_helper_mtc0_vpecontrol(arg); |
9c2149c8 | 4948 | rn = "VPEControl"; |
ead9360e | 4949 | break; |
9c2149c8 | 4950 | case 2: |
7385ac0b | 4951 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4952 | gen_helper_mtc0_vpeconf0(arg); |
9c2149c8 | 4953 | rn = "VPEConf0"; |
ead9360e | 4954 | break; |
9c2149c8 | 4955 | case 3: |
7385ac0b | 4956 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4957 | gen_helper_mtc0_vpeconf1(arg); |
9c2149c8 | 4958 | rn = "VPEConf1"; |
ead9360e | 4959 | break; |
9c2149c8 | 4960 | case 4: |
7385ac0b | 4961 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4962 | gen_helper_mtc0_yqmask(arg); |
9c2149c8 | 4963 | rn = "YQMask"; |
ead9360e | 4964 | break; |
9c2149c8 | 4965 | case 5: |
7385ac0b | 4966 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4967 | tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
9c2149c8 | 4968 | rn = "VPESchedule"; |
ead9360e | 4969 | break; |
9c2149c8 | 4970 | case 6: |
7385ac0b | 4971 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4972 | tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
9c2149c8 | 4973 | rn = "VPEScheFBack"; |
ead9360e | 4974 | break; |
9c2149c8 | 4975 | case 7: |
7385ac0b | 4976 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4977 | gen_helper_mtc0_vpeopt(arg); |
9c2149c8 | 4978 | rn = "VPEOpt"; |
ead9360e | 4979 | break; |
9c2149c8 TS |
4980 | default: |
4981 | goto die; | |
4982 | } | |
4983 | break; | |
4984 | case 2: | |
4985 | switch (sel) { | |
4986 | case 0: | |
d9bea114 | 4987 | gen_helper_mtc0_entrylo0(arg); |
2423f660 TS |
4988 | rn = "EntryLo0"; |
4989 | break; | |
9c2149c8 | 4990 | case 1: |
7385ac0b | 4991 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4992 | gen_helper_mtc0_tcstatus(arg); |
2423f660 | 4993 | rn = "TCStatus"; |
ead9360e | 4994 | break; |
9c2149c8 | 4995 | case 2: |
7385ac0b | 4996 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 4997 | gen_helper_mtc0_tcbind(arg); |
2423f660 | 4998 | rn = "TCBind"; |
ead9360e | 4999 | break; |
9c2149c8 | 5000 | case 3: |
7385ac0b | 5001 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 5002 | gen_helper_mtc0_tcrestart(arg); |
2423f660 | 5003 | rn = "TCRestart"; |
ead9360e | 5004 | break; |
9c2149c8 | 5005 | case 4: |
7385ac0b | 5006 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 5007 | gen_helper_mtc0_tchalt(arg); |
2423f660 | 5008 | rn = "TCHalt"; |
ead9360e | 5009 | break; |
9c2149c8 | 5010 | case 5: |
7385ac0b | 5011 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 5012 | gen_helper_mtc0_tccontext(arg); |
2423f660 | 5013 | rn = "TCContext"; |
ead9360e | 5014 | break; |
9c2149c8 | 5015 | case 6: |
7385ac0b | 5016 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 5017 | gen_helper_mtc0_tcschedule(arg); |
2423f660 | 5018 | rn = "TCSchedule"; |
ead9360e | 5019 | break; |
9c2149c8 | 5020 | case 7: |
7385ac0b | 5021 | check_insn(env, ctx, ASE_MT); |
d9bea114 | 5022 | gen_helper_mtc0_tcschefback(arg); |
2423f660 | 5023 | rn = "TCScheFBack"; |
ead9360e | 5024 | break; |
9c2149c8 TS |
5025 | default: |
5026 | goto die; | |
5027 | } | |
5028 | break; | |
5029 | case 3: | |
5030 | switch (sel) { | |
5031 | case 0: | |
d9bea114 | 5032 | gen_helper_mtc0_entrylo1(arg); |
2423f660 TS |
5033 | rn = "EntryLo1"; |
5034 | break; | |
9c2149c8 TS |
5035 | default: |
5036 | goto die; | |
876d4b07 | 5037 | } |
9c2149c8 TS |
5038 | break; |
5039 | case 4: | |
5040 | switch (sel) { | |
5041 | case 0: | |
d9bea114 | 5042 | gen_helper_mtc0_context(arg); |
2423f660 TS |
5043 | rn = "Context"; |
5044 | break; | |
9c2149c8 | 5045 | case 1: |
d9bea114 | 5046 | // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */ |
2423f660 TS |
5047 | rn = "ContextConfig"; |
5048 | // break; | |
9c2149c8 TS |
5049 | default: |
5050 | goto die; | |
876d4b07 | 5051 | } |
9c2149c8 TS |
5052 | break; |
5053 | case 5: | |
5054 | switch (sel) { | |
5055 | case 0: | |
d9bea114 | 5056 | gen_helper_mtc0_pagemask(arg); |
2423f660 TS |
5057 | rn = "PageMask"; |
5058 | break; | |
9c2149c8 | 5059 | case 1: |
e189e748 | 5060 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5061 | gen_helper_mtc0_pagegrain(arg); |
2423f660 TS |
5062 | rn = "PageGrain"; |
5063 | break; | |
9c2149c8 TS |
5064 | default: |
5065 | goto die; | |
876d4b07 | 5066 | } |
9c2149c8 TS |
5067 | break; |
5068 | case 6: | |
5069 | switch (sel) { | |
5070 | case 0: | |
d9bea114 | 5071 | gen_helper_mtc0_wired(arg); |
2423f660 TS |
5072 | rn = "Wired"; |
5073 | break; | |
9c2149c8 | 5074 | case 1: |
e189e748 | 5075 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5076 | gen_helper_mtc0_srsconf0(arg); |
2423f660 | 5077 | rn = "SRSConf0"; |
ead9360e | 5078 | break; |
9c2149c8 | 5079 | case 2: |
e189e748 | 5080 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5081 | gen_helper_mtc0_srsconf1(arg); |
2423f660 | 5082 | rn = "SRSConf1"; |
ead9360e | 5083 | break; |
9c2149c8 | 5084 | case 3: |
e189e748 | 5085 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5086 | gen_helper_mtc0_srsconf2(arg); |
2423f660 | 5087 | rn = "SRSConf2"; |
ead9360e | 5088 | break; |
9c2149c8 | 5089 | case 4: |
e189e748 | 5090 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5091 | gen_helper_mtc0_srsconf3(arg); |
2423f660 | 5092 | rn = "SRSConf3"; |
ead9360e | 5093 | break; |
9c2149c8 | 5094 | case 5: |
e189e748 | 5095 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5096 | gen_helper_mtc0_srsconf4(arg); |
2423f660 | 5097 | rn = "SRSConf4"; |
ead9360e | 5098 | break; |
9c2149c8 TS |
5099 | default: |
5100 | goto die; | |
876d4b07 | 5101 | } |
9c2149c8 TS |
5102 | break; |
5103 | case 7: | |
5104 | switch (sel) { | |
5105 | case 0: | |
e189e748 | 5106 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5107 | gen_helper_mtc0_hwrena(arg); |
2423f660 TS |
5108 | rn = "HWREna"; |
5109 | break; | |
9c2149c8 TS |
5110 | default: |
5111 | goto die; | |
876d4b07 | 5112 | } |
9c2149c8 TS |
5113 | break; |
5114 | case 8: | |
5115 | /* ignored */ | |
f0b3f3ae | 5116 | rn = "BadVAddr"; |
9c2149c8 TS |
5117 | break; |
5118 | case 9: | |
5119 | switch (sel) { | |
5120 | case 0: | |
d9bea114 | 5121 | gen_helper_mtc0_count(arg); |
2423f660 TS |
5122 | rn = "Count"; |
5123 | break; | |
876d4b07 | 5124 | /* 6,7 are implementation dependent */ |
9c2149c8 TS |
5125 | default: |
5126 | goto die; | |
876d4b07 TS |
5127 | } |
5128 | /* Stop translation as we may have switched the execution mode */ | |
5129 | ctx->bstate = BS_STOP; | |
9c2149c8 TS |
5130 | break; |
5131 | case 10: | |
5132 | switch (sel) { | |
5133 | case 0: | |
d9bea114 | 5134 | gen_helper_mtc0_entryhi(arg); |
2423f660 TS |
5135 | rn = "EntryHi"; |
5136 | break; | |
9c2149c8 TS |
5137 | default: |
5138 | goto die; | |
876d4b07 | 5139 | } |
9c2149c8 TS |
5140 | break; |
5141 | case 11: | |
5142 | switch (sel) { | |
5143 | case 0: | |
d9bea114 | 5144 | gen_helper_mtc0_compare(arg); |
2423f660 TS |
5145 | rn = "Compare"; |
5146 | break; | |
876d4b07 | 5147 | /* 6,7 are implementation dependent */ |
9c2149c8 TS |
5148 | default: |
5149 | goto die; | |
876d4b07 | 5150 | } |
de9a95f0 AJ |
5151 | /* Stop translation as we may have switched the execution mode */ |
5152 | ctx->bstate = BS_STOP; | |
9c2149c8 TS |
5153 | break; |
5154 | case 12: | |
5155 | switch (sel) { | |
5156 | case 0: | |
867abc7e | 5157 | save_cpu_state(ctx, 1); |
d9bea114 | 5158 | gen_helper_mtc0_status(arg); |
8487327a TS |
5159 | /* BS_STOP isn't good enough here, hflags may have changed. */ |
5160 | gen_save_pc(ctx->pc + 4); | |
5161 | ctx->bstate = BS_EXCP; | |
2423f660 TS |
5162 | rn = "Status"; |
5163 | break; | |
9c2149c8 | 5164 | case 1: |
e189e748 | 5165 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5166 | gen_helper_mtc0_intctl(arg); |
8487327a TS |
5167 | /* Stop translation as we may have switched the execution mode */ |
5168 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5169 | rn = "IntCtl"; |
5170 | break; | |
9c2149c8 | 5171 | case 2: |
e189e748 | 5172 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5173 | gen_helper_mtc0_srsctl(arg); |
8487327a TS |
5174 | /* Stop translation as we may have switched the execution mode */ |
5175 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5176 | rn = "SRSCtl"; |
5177 | break; | |
9c2149c8 | 5178 | case 3: |
e189e748 | 5179 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5180 | gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
8487327a TS |
5181 | /* Stop translation as we may have switched the execution mode */ |
5182 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5183 | rn = "SRSMap"; |
5184 | break; | |
5185 | default: | |
9c2149c8 | 5186 | goto die; |
876d4b07 | 5187 | } |
9c2149c8 TS |
5188 | break; |
5189 | case 13: | |
5190 | switch (sel) { | |
5191 | case 0: | |
867abc7e | 5192 | save_cpu_state(ctx, 1); |
5dc5d9f0 AJ |
5193 | /* Mark as an IO operation because we may trigger a software |
5194 | interrupt. */ | |
5195 | if (use_icount) { | |
5196 | gen_io_start(); | |
5197 | } | |
d9bea114 | 5198 | gen_helper_mtc0_cause(arg); |
5dc5d9f0 AJ |
5199 | if (use_icount) { |
5200 | gen_io_end(); | |
5201 | } | |
5202 | /* Stop translation as we may have triggered an intetrupt */ | |
5203 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5204 | rn = "Cause"; |
5205 | break; | |
9c2149c8 TS |
5206 | default: |
5207 | goto die; | |
876d4b07 | 5208 | } |
9c2149c8 TS |
5209 | break; |
5210 | case 14: | |
5211 | switch (sel) { | |
5212 | case 0: | |
d9bea114 | 5213 | tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
2423f660 TS |
5214 | rn = "EPC"; |
5215 | break; | |
9c2149c8 TS |
5216 | default: |
5217 | goto die; | |
876d4b07 | 5218 | } |
9c2149c8 TS |
5219 | break; |
5220 | case 15: | |
5221 | switch (sel) { | |
5222 | case 0: | |
2423f660 TS |
5223 | /* ignored */ |
5224 | rn = "PRid"; | |
5225 | break; | |
9c2149c8 | 5226 | case 1: |
e189e748 | 5227 | check_insn(env, ctx, ISA_MIPS32R2); |
d9bea114 | 5228 | gen_helper_mtc0_ebase(arg); |
2423f660 TS |
5229 | rn = "EBase"; |
5230 | break; | |
9c2149c8 TS |
5231 | default: |
5232 | goto die; | |
876d4b07 | 5233 | } |
9c2149c8 TS |
5234 | break; |
5235 | case 16: | |
5236 | switch (sel) { | |
5237 | case 0: | |
d9bea114 | 5238 | gen_helper_mtc0_config0(arg); |
9c2149c8 | 5239 | rn = "Config"; |
2423f660 TS |
5240 | /* Stop translation as we may have switched the execution mode */ |
5241 | ctx->bstate = BS_STOP; | |
9c2149c8 TS |
5242 | break; |
5243 | case 1: | |
1fc7bf6e | 5244 | /* ignored, read only */ |
9c2149c8 TS |
5245 | rn = "Config1"; |
5246 | break; | |
5247 | case 2: | |
d9bea114 | 5248 | gen_helper_mtc0_config2(arg); |
9c2149c8 | 5249 | rn = "Config2"; |
2423f660 TS |
5250 | /* Stop translation as we may have switched the execution mode */ |
5251 | ctx->bstate = BS_STOP; | |
9c2149c8 TS |
5252 | break; |
5253 | case 3: | |
2423f660 | 5254 | /* ignored */ |
9c2149c8 TS |
5255 | rn = "Config3"; |
5256 | break; | |
5257 | /* 6,7 are implementation dependent */ | |
5258 | default: | |
5259 | rn = "Invalid config selector"; | |
5260 | goto die; | |
5261 | } | |
9c2149c8 TS |
5262 | break; |
5263 | case 17: | |
5264 | switch (sel) { | |
5265 | case 0: | |
2a6e32dd | 5266 | gen_helper_mtc0_lladdr(arg); |
2423f660 TS |
5267 | rn = "LLAddr"; |
5268 | break; | |
9c2149c8 TS |
5269 | default: |
5270 | goto die; | |
5271 | } | |
5272 | break; | |
5273 | case 18: | |
5274 | switch (sel) { | |
fd88b6ab | 5275 | case 0 ... 7: |
d9bea114 | 5276 | gen_helper_1i(mtc0_watchlo, arg, sel); |
2423f660 TS |
5277 | rn = "WatchLo"; |
5278 | break; | |
9c2149c8 TS |
5279 | default: |
5280 | goto die; | |
5281 | } | |
5282 | break; | |
5283 | case 19: | |
5284 | switch (sel) { | |
fd88b6ab | 5285 | case 0 ... 7: |
d9bea114 | 5286 | gen_helper_1i(mtc0_watchhi, arg, sel); |
2423f660 TS |
5287 | rn = "WatchHi"; |
5288 | break; | |
9c2149c8 TS |
5289 | default: |
5290 | goto die; | |
5291 | } | |
5292 | break; | |
5293 | case 20: | |
5294 | switch (sel) { | |
5295 | case 0: | |
e189e748 | 5296 | check_insn(env, ctx, ISA_MIPS3); |
d9bea114 | 5297 | gen_helper_mtc0_xcontext(arg); |
2423f660 TS |
5298 | rn = "XContext"; |
5299 | break; | |
9c2149c8 TS |
5300 | default: |
5301 | goto die; | |
5302 | } | |
5303 | break; | |
5304 | case 21: | |
5305 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ | |
5306 | switch (sel) { | |
5307 | case 0: | |
d9bea114 | 5308 | gen_helper_mtc0_framemask(arg); |
2423f660 TS |
5309 | rn = "Framemask"; |
5310 | break; | |
9c2149c8 TS |
5311 | default: |
5312 | goto die; | |
5313 | } | |
5314 | break; | |
5315 | case 22: | |
5316 | /* ignored */ | |
5317 | rn = "Diagnostic"; /* implementation dependent */ | |
876d4b07 | 5318 | break; |
9c2149c8 TS |
5319 | case 23: |
5320 | switch (sel) { | |
5321 | case 0: | |
d9bea114 | 5322 | gen_helper_mtc0_debug(arg); /* EJTAG support */ |
8487327a TS |
5323 | /* BS_STOP isn't good enough here, hflags may have changed. */ |
5324 | gen_save_pc(ctx->pc + 4); | |
5325 | ctx->bstate = BS_EXCP; | |
2423f660 TS |
5326 | rn = "Debug"; |
5327 | break; | |
9c2149c8 | 5328 | case 1: |
d9bea114 | 5329 | // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */ |
8487327a TS |
5330 | /* Stop translation as we may have switched the execution mode */ |
5331 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5332 | rn = "TraceControl"; |
5333 | // break; | |
9c2149c8 | 5334 | case 2: |
d9bea114 | 5335 | // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */ |
8487327a TS |
5336 | /* Stop translation as we may have switched the execution mode */ |
5337 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5338 | rn = "TraceControl2"; |
5339 | // break; | |
9c2149c8 | 5340 | case 3: |
d9bea114 | 5341 | // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */ |
8487327a TS |
5342 | /* Stop translation as we may have switched the execution mode */ |
5343 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5344 | rn = "UserTraceData"; |
5345 | // break; | |
9c2149c8 | 5346 | case 4: |
d9bea114 | 5347 | // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */ |
8487327a TS |
5348 | /* Stop translation as we may have switched the execution mode */ |
5349 | ctx->bstate = BS_STOP; | |
2423f660 TS |
5350 | rn = "TraceBPC"; |
5351 | // break; | |
9c2149c8 TS |
5352 | default: |
5353 | goto die; | |
5354 | } | |
9c2149c8 TS |
5355 | break; |
5356 | case 24: | |
5357 | switch (sel) { | |
5358 | case 0: | |
f1aa6320 | 5359 | /* EJTAG support */ |
d9bea114 | 5360 | tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
2423f660 TS |
5361 | rn = "DEPC"; |
5362 | break; | |
9c2149c8 TS |
5363 | default: |
5364 | goto die; | |
5365 | } | |
5366 | break; | |
5367 | case 25: | |
5368 | switch (sel) { | |
5369 | case 0: | |
d9bea114 | 5370 | gen_helper_mtc0_performance0(arg); |
2423f660 TS |
5371 | rn = "Performance0"; |
5372 | break; | |
9c2149c8 | 5373 | case 1: |
d9bea114 | 5374 | // gen_helper_mtc0_performance1(arg); |
2423f660 TS |
5375 | rn = "Performance1"; |
5376 | // break; | |
9c2149c8 | 5377 | case 2: |
d9bea114 | 5378 | // gen_helper_mtc0_performance2(arg); |
2423f660 TS |
5379 | rn = "Performance2"; |
5380 | // break; | |
9c2149c8 | 5381 | case 3: |
d9bea114 | 5382 | // gen_helper_mtc0_performance3(arg); |
2423f660 TS |
5383 | rn = "Performance3"; |
5384 | // break; | |
9c2149c8 | 5385 | case 4: |
d9bea114 | 5386 | // gen_helper_mtc0_performance4(arg); |
2423f660 TS |
5387 | rn = "Performance4"; |
5388 | // break; | |
9c2149c8 | 5389 | case 5: |
d9bea114 | 5390 | // gen_helper_mtc0_performance5(arg); |
2423f660 TS |
5391 | rn = "Performance5"; |
5392 | // break; | |
9c2149c8 | 5393 | case 6: |
d9bea114 | 5394 | // gen_helper_mtc0_performance6(arg); |
2423f660 TS |
5395 | rn = "Performance6"; |
5396 | // break; | |
9c2149c8 | 5397 | case 7: |
d9bea114 | 5398 | // gen_helper_mtc0_performance7(arg); |
2423f660 TS |
5399 | rn = "Performance7"; |
5400 | // break; | |
9c2149c8 TS |
5401 | default: |
5402 | goto die; | |
5403 | } | |
876d4b07 | 5404 | break; |
9c2149c8 | 5405 | case 26: |
876d4b07 | 5406 | /* ignored */ |
9c2149c8 | 5407 | rn = "ECC"; |
876d4b07 | 5408 | break; |
9c2149c8 TS |
5409 | case 27: |
5410 | switch (sel) { | |
5411 | case 0 ... 3: | |
2423f660 TS |
5412 | /* ignored */ |
5413 | rn = "CacheErr"; | |
5414 | break; | |
9c2149c8 TS |
5415 | default: |
5416 | goto die; | |
5417 | } | |
876d4b07 | 5418 | break; |
9c2149c8 TS |
5419 | case 28: |
5420 | switch (sel) { | |
5421 | case 0: | |
5422 | case 2: | |
5423 | case 4: | |
5424 | case 6: | |
d9bea114 | 5425 | gen_helper_mtc0_taglo(arg); |
9c2149c8 TS |
5426 | rn = "TagLo"; |
5427 | break; | |
5428 | case 1: | |
5429 | case 3: | |
5430 | case 5: | |
5431 | case 7: | |
d9bea114 | 5432 | gen_helper_mtc0_datalo(arg); |
9c2149c8 TS |
5433 | rn = "DataLo"; |
5434 | break; | |
5435 | default: | |
5436 | goto die; | |
5437 | } | |
5438 | break; | |
5439 | case 29: | |
5440 | switch (sel) { | |
5441 | case 0: | |
5442 | case 2: | |
5443 | case 4: | |
5444 | case 6: | |
d9bea114 | 5445 | gen_helper_mtc0_taghi(arg); |
9c2149c8 TS |
5446 | rn = "TagHi"; |
5447 | break; | |
5448 | case 1: | |
5449 | case 3: | |
5450 | case 5: | |
5451 | case 7: | |
d9bea114 | 5452 | gen_helper_mtc0_datahi(arg); |
9c2149c8 TS |
5453 | rn = "DataHi"; |
5454 | break; | |
5455 | default: | |
5456 | rn = "invalid sel"; | |
5457 | goto die; | |
5458 | } | |
876d4b07 | 5459 | break; |
9c2149c8 TS |
5460 | case 30: |
5461 | switch (sel) { | |
5462 | case 0: | |
d9bea114 | 5463 | tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
2423f660 TS |
5464 | rn = "ErrorEPC"; |
5465 | break; | |
9c2149c8 TS |
5466 | default: |
5467 | goto die; | |
5468 | } | |
5469 | break; | |
5470 | case 31: | |
5471 | switch (sel) { | |
5472 | case 0: | |
f1aa6320 | 5473 | /* EJTAG support */ |
d9bea114 | 5474 | gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
2423f660 TS |
5475 | rn = "DESAVE"; |
5476 | break; | |
9c2149c8 TS |
5477 | default: |
5478 | goto die; | |
5479 | } | |
876d4b07 TS |
5480 | /* Stop translation as we may have switched the execution mode */ |
5481 | ctx->bstate = BS_STOP; | |
9c2149c8 TS |
5482 | break; |
5483 | default: | |
876d4b07 | 5484 | goto die; |
9c2149c8 | 5485 | } |
d12d51d5 | 5486 | LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
bf20dc07 | 5487 | /* For simplicity assume that all writes can cause interrupts. */ |
2e70f6ef PB |
5488 | if (use_icount) { |
5489 | gen_io_end(); | |
5490 | ctx->bstate = BS_STOP; | |
5491 | } | |
9c2149c8 TS |
5492 | return; |
5493 | ||
5494 | die: | |
d12d51d5 | 5495 | LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
9c2149c8 TS |
5496 | generate_exception(ctx, EXCP_RI); |
5497 | } | |
d26bc211 | 5498 | #endif /* TARGET_MIPS64 */ |
9c2149c8 | 5499 | |
6c5c1e20 | 5500 | static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd, |
ead9360e TS |
5501 | int u, int sel, int h) |
5502 | { | |
5503 | int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); | |
a7812ae4 | 5504 | TCGv t0 = tcg_temp_local_new(); |
ead9360e TS |
5505 | |
5506 | if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && | |
b5dc7732 TS |
5507 | ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != |
5508 | (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) | |
1a3fd9c3 | 5509 | tcg_gen_movi_tl(t0, -1); |
ead9360e TS |
5510 | else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5511 | (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) | |
1a3fd9c3 | 5512 | tcg_gen_movi_tl(t0, -1); |
ead9360e TS |
5513 | else if (u == 0) { |
5514 | switch (rt) { | |
5515 | case 2: | |
5516 | switch (sel) { | |
5517 | case 1: | |
a7812ae4 | 5518 | gen_helper_mftc0_tcstatus(t0); |
ead9360e TS |
5519 | break; |
5520 | case 2: | |
a7812ae4 | 5521 | gen_helper_mftc0_tcbind(t0); |
ead9360e TS |
5522 | break; |
5523 | case 3: | |
a7812ae4 | 5524 | gen_helper_mftc0_tcrestart(t0); |
ead9360e TS |
5525 | break; |
5526 | case 4: | |
a7812ae4 | 5527 | gen_helper_mftc0_tchalt(t0); |
ead9360e TS |
5528 | break; |
5529 | case 5: | |
a7812ae4 | 5530 | gen_helper_mftc0_tccontext(t0); |
ead9360e TS |
5531 | break; |
5532 | case 6: | |
a7812ae4 | 5533 | gen_helper_mftc0_tcschedule(t0); |
ead9360e TS |
5534 | break; |
5535 | case 7: | |
a7812ae4 | 5536 | gen_helper_mftc0_tcschefback(t0); |
ead9360e TS |
5537 | break; |
5538 | default: | |
1a3fd9c3 | 5539 | gen_mfc0(env, ctx, t0, rt, sel); |
ead9360e TS |
5540 | break; |
5541 | } | |
5542 | break; | |
5543 | case 10: | |
5544 | switch (sel) { | |
5545 | case 0: | |
a7812ae4 | 5546 | gen_helper_mftc0_entryhi(t0); |
ead9360e TS |
5547 | break; |
5548 | default: | |
1a3fd9c3 | 5549 | gen_mfc0(env, ctx, t0, rt, sel); |
ead9360e TS |
5550 | break; |
5551 | } | |
5552 | case 12: | |
5553 | switch (sel) { | |
5554 | case 0: | |
a7812ae4 | 5555 | gen_helper_mftc0_status(t0); |
ead9360e TS |
5556 | break; |
5557 | default: | |
1a3fd9c3 | 5558 | gen_mfc0(env, ctx, t0, rt, sel); |
ead9360e TS |
5559 | break; |
5560 | } | |
5561 | case 23: | |
5562 | switch (sel) { | |
5563 | case 0: | |
a7812ae4 | 5564 | gen_helper_mftc0_debug(t0); |
ead9360e TS |
5565 | break; |
5566 | default: | |
1a3fd9c3 | 5567 | gen_mfc0(env, ctx, t0, rt, sel); |
ead9360e TS |
5568 | break; |
5569 | } | |
5570 | break; | |
5571 | default: | |
1a3fd9c3 | 5572 | gen_mfc0(env, ctx, t0, rt, sel); |
ead9360e TS |
5573 | } |
5574 | } else switch (sel) { | |
5575 | /* GPR registers. */ | |
5576 | case 0: | |
a7812ae4 | 5577 | gen_helper_1i(mftgpr, t0, rt); |
ead9360e TS |
5578 | break; |
5579 | /* Auxiliary CPU registers */ | |
5580 | case 1: | |
5581 | switch (rt) { | |
5582 | case 0: | |
a7812ae4 | 5583 | gen_helper_1i(mftlo, t0, 0); |
ead9360e TS |
5584 | break; |
5585 | case 1: | |
a7812ae4 | 5586 | gen_helper_1i(mfthi, t0, 0); |
ead9360e TS |
5587 | break; |
5588 | case 2: | |
a7812ae4 | 5589 | gen_helper_1i(mftacx, t0, 0); |
ead9360e TS |
5590 | break; |
5591 | case 4: | |
a7812ae4 | 5592 | gen_helper_1i(mftlo, t0, 1); |
ead9360e TS |
5593 | break; |
5594 | case 5: | |
a7812ae4 | 5595 | gen_helper_1i(mfthi, t0, 1); |
ead9360e TS |
5596 | break; |
5597 | case 6: | |
a7812ae4 | 5598 | gen_helper_1i(mftacx, t0, 1); |
ead9360e TS |
5599 | break; |
5600 | case 8: | |
a7812ae4 | 5601 | gen_helper_1i(mftlo, t0, 2); |
ead9360e TS |
5602 | break; |
5603 | case 9: | |
a7812ae4 | 5604 | gen_helper_1i(mfthi, t0, 2); |
ead9360e TS |
5605 | break; |
5606 | case 10: | |
a7812ae4 | 5607 | gen_helper_1i(mftacx, t0, 2); |
ead9360e TS |
5608 | break; |
5609 | case 12: | |
a7812ae4 | 5610 | gen_helper_1i(mftlo, t0, 3); |
ead9360e TS |
5611 | break; |
5612 | case 13: | |
a7812ae4 | 5613 | gen_helper_1i(mfthi, t0, 3); |
ead9360e TS |
5614 | break; |
5615 | case 14: | |
a7812ae4 | 5616 | gen_helper_1i(mftacx, t0, 3); |
ead9360e TS |
5617 | break; |
5618 | case 16: | |
a7812ae4 | 5619 | gen_helper_mftdsp(t0); |
ead9360e TS |
5620 | break; |
5621 | default: | |
5622 | goto die; | |
5623 | } | |
5624 | break; | |
5625 | /* Floating point (COP1). */ | |
5626 | case 2: | |
5627 | /* XXX: For now we support only a single FPU context. */ | |
5628 | if (h == 0) { | |
a7812ae4 | 5629 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
5630 | |
5631 | gen_load_fpr32(fp0, rt); | |
5632 | tcg_gen_ext_i32_tl(t0, fp0); | |
a7812ae4 | 5633 | tcg_temp_free_i32(fp0); |
ead9360e | 5634 | } else { |
a7812ae4 | 5635 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
5636 | |
5637 | gen_load_fpr32h(fp0, rt); | |
5638 | tcg_gen_ext_i32_tl(t0, fp0); | |
a7812ae4 | 5639 | tcg_temp_free_i32(fp0); |
ead9360e TS |
5640 | } |
5641 | break; | |
5642 | case 3: | |
5643 | /* XXX: For now we support only a single FPU context. */ | |
a7812ae4 | 5644 | gen_helper_1i(cfc1, t0, rt); |
ead9360e TS |
5645 | break; |
5646 | /* COP2: Not implemented. */ | |
5647 | case 4: | |
5648 | case 5: | |
5649 | /* fall through */ | |
5650 | default: | |
5651 | goto die; | |
5652 | } | |
d12d51d5 | 5653 | LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); |
1a3fd9c3 TS |
5654 | gen_store_gpr(t0, rd); |
5655 | tcg_temp_free(t0); | |
ead9360e TS |
5656 | return; |
5657 | ||
5658 | die: | |
1a3fd9c3 | 5659 | tcg_temp_free(t0); |
d12d51d5 | 5660 | LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); |
ead9360e TS |
5661 | generate_exception(ctx, EXCP_RI); |
5662 | } | |
5663 | ||
6c5c1e20 | 5664 | static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt, |
ead9360e TS |
5665 | int u, int sel, int h) |
5666 | { | |
5667 | int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); | |
a7812ae4 | 5668 | TCGv t0 = tcg_temp_local_new(); |
ead9360e | 5669 | |
1a3fd9c3 | 5670 | gen_load_gpr(t0, rt); |
ead9360e | 5671 | if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
b5dc7732 TS |
5672 | ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != |
5673 | (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) | |
ead9360e TS |
5674 | /* NOP */ ; |
5675 | else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > | |
5676 | (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) | |
5677 | /* NOP */ ; | |
5678 | else if (u == 0) { | |
5679 | switch (rd) { | |
5680 | case 2: | |
5681 | switch (sel) { | |
5682 | case 1: | |
a7812ae4 | 5683 | gen_helper_mttc0_tcstatus(t0); |
ead9360e TS |
5684 | break; |
5685 | case 2: | |
a7812ae4 | 5686 | gen_helper_mttc0_tcbind(t0); |
ead9360e TS |
5687 | break; |
5688 | case 3: | |
a7812ae4 | 5689 | gen_helper_mttc0_tcrestart(t0); |
ead9360e TS |
5690 | break; |
5691 | case 4: | |
a7812ae4 | 5692 | gen_helper_mttc0_tchalt(t0); |
ead9360e TS |
5693 | break; |
5694 | case 5: | |
a7812ae4 | 5695 | gen_helper_mttc0_tccontext(t0); |
ead9360e TS |
5696 | break; |
5697 | case 6: | |
a7812ae4 | 5698 | gen_helper_mttc0_tcschedule(t0); |
ead9360e TS |
5699 | break; |
5700 | case 7: | |
a7812ae4 | 5701 | gen_helper_mttc0_tcschefback(t0); |
ead9360e TS |
5702 | break; |
5703 | default: | |
1a3fd9c3 | 5704 | gen_mtc0(env, ctx, t0, rd, sel); |
ead9360e TS |
5705 | break; |
5706 | } | |
5707 | break; | |
5708 | case 10: | |
5709 | switch (sel) { | |
5710 | case 0: | |
a7812ae4 | 5711 | gen_helper_mttc0_entryhi(t0); |
ead9360e TS |
5712 | break; |
5713 | default: | |
1a3fd9c3 | 5714 | gen_mtc0(env, ctx, t0, rd, sel); |
ead9360e TS |
5715 | break; |
5716 | } | |
5717 | case 12: | |
5718 | switch (sel) { | |
5719 | case 0: | |
a7812ae4 | 5720 | gen_helper_mttc0_status(t0); |
ead9360e TS |
5721 | break; |
5722 | default: | |
1a3fd9c3 | 5723 | gen_mtc0(env, ctx, t0, rd, sel); |
ead9360e TS |
5724 | break; |
5725 | } | |
5726 | case 23: | |
5727 | switch (sel) { | |
5728 | case 0: | |
a7812ae4 | 5729 | gen_helper_mttc0_debug(t0); |
ead9360e TS |
5730 | break; |
5731 | default: | |
1a3fd9c3 | 5732 | gen_mtc0(env, ctx, t0, rd, sel); |
ead9360e TS |
5733 | break; |
5734 | } | |
5735 | break; | |
5736 | default: | |
1a3fd9c3 | 5737 | gen_mtc0(env, ctx, t0, rd, sel); |
ead9360e TS |
5738 | } |
5739 | } else switch (sel) { | |
5740 | /* GPR registers. */ | |
5741 | case 0: | |
a7812ae4 | 5742 | gen_helper_1i(mttgpr, t0, rd); |
ead9360e TS |
5743 | break; |
5744 | /* Auxiliary CPU registers */ | |
5745 | case 1: | |
5746 | switch (rd) { | |
5747 | case 0: | |
a7812ae4 | 5748 | gen_helper_1i(mttlo, t0, 0); |
ead9360e TS |
5749 | break; |
5750 | case 1: | |
a7812ae4 | 5751 | gen_helper_1i(mtthi, t0, 0); |
ead9360e TS |
5752 | break; |
5753 | case 2: | |
a7812ae4 | 5754 | gen_helper_1i(mttacx, t0, 0); |
ead9360e TS |
5755 | break; |
5756 | case 4: | |
a7812ae4 | 5757 | gen_helper_1i(mttlo, t0, 1); |
ead9360e TS |
5758 | break; |
5759 | case 5: | |
a7812ae4 | 5760 | gen_helper_1i(mtthi, t0, 1); |
ead9360e TS |
5761 | break; |
5762 | case 6: | |
a7812ae4 | 5763 | gen_helper_1i(mttacx, t0, 1); |
ead9360e TS |
5764 | break; |
5765 | case 8: | |
a7812ae4 | 5766 | gen_helper_1i(mttlo, t0, 2); |
ead9360e TS |
5767 | break; |
5768 | case 9: | |
a7812ae4 | 5769 | gen_helper_1i(mtthi, t0, 2); |
ead9360e TS |
5770 | break; |
5771 | case 10: | |
a7812ae4 | 5772 | gen_helper_1i(mttacx, t0, 2); |
ead9360e TS |
5773 | break; |
5774 | case 12: | |
a7812ae4 | 5775 | gen_helper_1i(mttlo, t0, 3); |
ead9360e TS |
5776 | break; |
5777 | case 13: | |
a7812ae4 | 5778 | gen_helper_1i(mtthi, t0, 3); |
ead9360e TS |
5779 | break; |
5780 | case 14: | |
a7812ae4 | 5781 | gen_helper_1i(mttacx, t0, 3); |
ead9360e TS |
5782 | break; |
5783 | case 16: | |
a7812ae4 | 5784 | gen_helper_mttdsp(t0); |
ead9360e TS |
5785 | break; |
5786 | default: | |
5787 | goto die; | |
5788 | } | |
5789 | break; | |
5790 | /* Floating point (COP1). */ | |
5791 | case 2: | |
5792 | /* XXX: For now we support only a single FPU context. */ | |
5793 | if (h == 0) { | |
a7812ae4 | 5794 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
5795 | |
5796 | tcg_gen_trunc_tl_i32(fp0, t0); | |
5797 | gen_store_fpr32(fp0, rd); | |
a7812ae4 | 5798 | tcg_temp_free_i32(fp0); |
ead9360e | 5799 | } else { |
a7812ae4 | 5800 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
5801 | |
5802 | tcg_gen_trunc_tl_i32(fp0, t0); | |
5803 | gen_store_fpr32h(fp0, rd); | |
a7812ae4 | 5804 | tcg_temp_free_i32(fp0); |
ead9360e TS |
5805 | } |
5806 | break; | |
5807 | case 3: | |
5808 | /* XXX: For now we support only a single FPU context. */ | |
a7812ae4 | 5809 | gen_helper_1i(ctc1, t0, rd); |
ead9360e TS |
5810 | break; |
5811 | /* COP2: Not implemented. */ | |
5812 | case 4: | |
5813 | case 5: | |
5814 | /* fall through */ | |
5815 | default: | |
5816 | goto die; | |
5817 | } | |
d12d51d5 | 5818 | LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); |
1a3fd9c3 | 5819 | tcg_temp_free(t0); |
ead9360e TS |
5820 | return; |
5821 | ||
5822 | die: | |
1a3fd9c3 | 5823 | tcg_temp_free(t0); |
d12d51d5 | 5824 | LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); |
ead9360e TS |
5825 | generate_exception(ctx, EXCP_RI); |
5826 | } | |
5827 | ||
29929e34 | 5828 | static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
6af0bf9c | 5829 | { |
287c4b84 | 5830 | const char *opn = "ldst"; |
6af0bf9c | 5831 | |
6af0bf9c FB |
5832 | switch (opc) { |
5833 | case OPC_MFC0: | |
5834 | if (rt == 0) { | |
ead9360e | 5835 | /* Treat as NOP. */ |
6af0bf9c FB |
5836 | return; |
5837 | } | |
1fc7bf6e | 5838 | gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); |
6af0bf9c FB |
5839 | opn = "mfc0"; |
5840 | break; | |
5841 | case OPC_MTC0: | |
1a3fd9c3 | 5842 | { |
1fc7bf6e | 5843 | TCGv t0 = tcg_temp_new(); |
1a3fd9c3 TS |
5844 | |
5845 | gen_load_gpr(t0, rt); | |
1a3fd9c3 TS |
5846 | gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7); |
5847 | tcg_temp_free(t0); | |
5848 | } | |
6af0bf9c FB |
5849 | opn = "mtc0"; |
5850 | break; | |
d26bc211 | 5851 | #if defined(TARGET_MIPS64) |
9c2149c8 | 5852 | case OPC_DMFC0: |
e189e748 | 5853 | check_insn(env, ctx, ISA_MIPS3); |
9c2149c8 | 5854 | if (rt == 0) { |
ead9360e | 5855 | /* Treat as NOP. */ |
9c2149c8 TS |
5856 | return; |
5857 | } | |
1fc7bf6e | 5858 | gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); |
9c2149c8 TS |
5859 | opn = "dmfc0"; |
5860 | break; | |
5861 | case OPC_DMTC0: | |
e189e748 | 5862 | check_insn(env, ctx, ISA_MIPS3); |
1a3fd9c3 | 5863 | { |
1fc7bf6e | 5864 | TCGv t0 = tcg_temp_new(); |
1a3fd9c3 TS |
5865 | |
5866 | gen_load_gpr(t0, rt); | |
1a3fd9c3 TS |
5867 | gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7); |
5868 | tcg_temp_free(t0); | |
5869 | } | |
9c2149c8 TS |
5870 | opn = "dmtc0"; |
5871 | break; | |
534ce69f | 5872 | #endif |
ead9360e | 5873 | case OPC_MFTR: |
7385ac0b | 5874 | check_insn(env, ctx, ASE_MT); |
ead9360e TS |
5875 | if (rd == 0) { |
5876 | /* Treat as NOP. */ | |
5877 | return; | |
5878 | } | |
6c5c1e20 | 5879 | gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, |
ead9360e | 5880 | ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
ead9360e TS |
5881 | opn = "mftr"; |
5882 | break; | |
5883 | case OPC_MTTR: | |
7385ac0b | 5884 | check_insn(env, ctx, ASE_MT); |
6c5c1e20 | 5885 | gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, |
ead9360e TS |
5886 | ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5887 | opn = "mttr"; | |
5888 | break; | |
6af0bf9c | 5889 | case OPC_TLBWI: |
6af0bf9c | 5890 | opn = "tlbwi"; |
c01fccd2 | 5891 | if (!env->tlb->helper_tlbwi) |
29929e34 | 5892 | goto die; |
a7812ae4 | 5893 | gen_helper_tlbwi(); |
6af0bf9c FB |
5894 | break; |
5895 | case OPC_TLBWR: | |
6af0bf9c | 5896 | opn = "tlbwr"; |
c01fccd2 | 5897 | if (!env->tlb->helper_tlbwr) |
29929e34 | 5898 | goto die; |
a7812ae4 | 5899 | gen_helper_tlbwr(); |
6af0bf9c FB |
5900 | break; |
5901 | case OPC_TLBP: | |
6af0bf9c | 5902 | opn = "tlbp"; |
c01fccd2 | 5903 | if (!env->tlb->helper_tlbp) |
29929e34 | 5904 | goto die; |
a7812ae4 | 5905 | gen_helper_tlbp(); |
6af0bf9c FB |
5906 | break; |
5907 | case OPC_TLBR: | |
6af0bf9c | 5908 | opn = "tlbr"; |
c01fccd2 | 5909 | if (!env->tlb->helper_tlbr) |
29929e34 | 5910 | goto die; |
a7812ae4 | 5911 | gen_helper_tlbr(); |
6af0bf9c | 5912 | break; |
6af0bf9c FB |
5913 | case OPC_ERET: |
5914 | opn = "eret"; | |
e189e748 | 5915 | check_insn(env, ctx, ISA_MIPS2); |
a7812ae4 | 5916 | gen_helper_eret(); |
6af0bf9c FB |
5917 | ctx->bstate = BS_EXCP; |
5918 | break; | |
5919 | case OPC_DERET: | |
5920 | opn = "deret"; | |
e189e748 | 5921 | check_insn(env, ctx, ISA_MIPS32); |
6af0bf9c | 5922 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { |
923617a3 | 5923 | MIPS_INVAL(opn); |
6af0bf9c FB |
5924 | generate_exception(ctx, EXCP_RI); |
5925 | } else { | |
a7812ae4 | 5926 | gen_helper_deret(); |
6af0bf9c FB |
5927 | ctx->bstate = BS_EXCP; |
5928 | } | |
5929 | break; | |
4ad40f36 FB |
5930 | case OPC_WAIT: |
5931 | opn = "wait"; | |
e189e748 | 5932 | check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
4ad40f36 FB |
5933 | /* If we get an exception, we want to restart at next instruction */ |
5934 | ctx->pc += 4; | |
5935 | save_cpu_state(ctx, 1); | |
5936 | ctx->pc -= 4; | |
a7812ae4 | 5937 | gen_helper_wait(); |
4ad40f36 FB |
5938 | ctx->bstate = BS_EXCP; |
5939 | break; | |
6af0bf9c | 5940 | default: |
29929e34 | 5941 | die: |
923617a3 | 5942 | MIPS_INVAL(opn); |
6af0bf9c FB |
5943 | generate_exception(ctx, EXCP_RI); |
5944 | return; | |
5945 | } | |
5946 | MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd); | |
5947 | } | |
f1aa6320 | 5948 | #endif /* !CONFIG_USER_ONLY */ |
6af0bf9c | 5949 | |
6ea83fed | 5950 | /* CP1 Branches (before delay slot) */ |
e189e748 | 5951 | static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
5a5012ec | 5952 | int32_t cc, int32_t offset) |
6ea83fed FB |
5953 | { |
5954 | target_ulong btarget; | |
923617a3 | 5955 | const char *opn = "cp1 cond branch"; |
a7812ae4 | 5956 | TCGv_i32 t0 = tcg_temp_new_i32(); |
6ea83fed | 5957 | |
e189e748 TS |
5958 | if (cc != 0) |
5959 | check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); | |
5960 | ||
6ea83fed FB |
5961 | btarget = ctx->pc + 4 + offset; |
5962 | ||
7a387fff TS |
5963 | switch (op) { |
5964 | case OPC_BC1F: | |
d94536f4 AJ |
5965 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5966 | tcg_gen_not_i32(t0, t0); | |
5967 | tcg_gen_andi_i32(t0, t0, 1); | |
5968 | tcg_gen_extu_i32_tl(bcond, t0); | |
923617a3 | 5969 | opn = "bc1f"; |
6ea83fed | 5970 | goto not_likely; |
7a387fff | 5971 | case OPC_BC1FL: |
d94536f4 AJ |
5972 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5973 | tcg_gen_not_i32(t0, t0); | |
5974 | tcg_gen_andi_i32(t0, t0, 1); | |
5975 | tcg_gen_extu_i32_tl(bcond, t0); | |
923617a3 | 5976 | opn = "bc1fl"; |
6ea83fed | 5977 | goto likely; |
7a387fff | 5978 | case OPC_BC1T: |
d94536f4 AJ |
5979 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5980 | tcg_gen_andi_i32(t0, t0, 1); | |
5981 | tcg_gen_extu_i32_tl(bcond, t0); | |
923617a3 | 5982 | opn = "bc1t"; |
5a5012ec | 5983 | goto not_likely; |
7a387fff | 5984 | case OPC_BC1TL: |
d94536f4 AJ |
5985 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5986 | tcg_gen_andi_i32(t0, t0, 1); | |
5987 | tcg_gen_extu_i32_tl(bcond, t0); | |
923617a3 | 5988 | opn = "bc1tl"; |
6ea83fed FB |
5989 | likely: |
5990 | ctx->hflags |= MIPS_HFLAG_BL; | |
5991 | break; | |
5a5012ec | 5992 | case OPC_BC1FANY2: |
a16336e4 | 5993 | { |
d94536f4 AJ |
5994 | TCGv_i32 t1 = tcg_temp_new_i32(); |
5995 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); | |
5996 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); | |
deb4203d | 5997 | tcg_gen_nor_i32(t0, t0, t1); |
d94536f4 | 5998 | tcg_temp_free_i32(t1); |
d94536f4 AJ |
5999 | tcg_gen_andi_i32(t0, t0, 1); |
6000 | tcg_gen_extu_i32_tl(bcond, t0); | |
a16336e4 | 6001 | } |
fd4a04eb | 6002 | opn = "bc1any2f"; |
5a5012ec TS |
6003 | goto not_likely; |
6004 | case OPC_BC1TANY2: | |
a16336e4 | 6005 | { |
d94536f4 AJ |
6006 | TCGv_i32 t1 = tcg_temp_new_i32(); |
6007 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); | |
6008 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); | |
6009 | tcg_gen_or_i32(t0, t0, t1); | |
6010 | tcg_temp_free_i32(t1); | |
6011 | tcg_gen_andi_i32(t0, t0, 1); | |
6012 | tcg_gen_extu_i32_tl(bcond, t0); | |
a16336e4 | 6013 | } |
fd4a04eb | 6014 | opn = "bc1any2t"; |
5a5012ec TS |
6015 | goto not_likely; |
6016 | case OPC_BC1FANY4: | |
a16336e4 | 6017 | { |
d94536f4 AJ |
6018 | TCGv_i32 t1 = tcg_temp_new_i32(); |
6019 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); | |
6020 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); | |
6021 | tcg_gen_or_i32(t0, t0, t1); | |
6022 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2)); | |
6023 | tcg_gen_or_i32(t0, t0, t1); | |
6024 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3)); | |
deb4203d | 6025 | tcg_gen_nor_i32(t0, t0, t1); |
d94536f4 | 6026 | tcg_temp_free_i32(t1); |
d94536f4 AJ |
6027 | tcg_gen_andi_i32(t0, t0, 1); |
6028 | tcg_gen_extu_i32_tl(bcond, t0); | |
a16336e4 | 6029 | } |
fd4a04eb | 6030 | opn = "bc1any4f"; |
5a5012ec TS |
6031 | goto not_likely; |
6032 | case OPC_BC1TANY4: | |
a16336e4 | 6033 | { |
d94536f4 AJ |
6034 | TCGv_i32 t1 = tcg_temp_new_i32(); |
6035 | tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); | |
6036 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); | |
6037 | tcg_gen_or_i32(t0, t0, t1); | |
6038 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2)); | |
6039 | tcg_gen_or_i32(t0, t0, t1); | |
6040 | tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3)); | |
6041 | tcg_gen_or_i32(t0, t0, t1); | |
6042 | tcg_temp_free_i32(t1); | |
6043 | tcg_gen_andi_i32(t0, t0, 1); | |
6044 | tcg_gen_extu_i32_tl(bcond, t0); | |
a16336e4 | 6045 | } |
fd4a04eb | 6046 | opn = "bc1any4t"; |
5a5012ec TS |
6047 | not_likely: |
6048 | ctx->hflags |= MIPS_HFLAG_BC; | |
5a5012ec TS |
6049 | break; |
6050 | default: | |
923617a3 | 6051 | MIPS_INVAL(opn); |
e397ee33 | 6052 | generate_exception (ctx, EXCP_RI); |
6c5c1e20 | 6053 | goto out; |
6ea83fed | 6054 | } |
923617a3 | 6055 | MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn, |
6ea83fed FB |
6056 | ctx->hflags, btarget); |
6057 | ctx->btarget = btarget; | |
6c5c1e20 TS |
6058 | |
6059 | out: | |
a7812ae4 | 6060 | tcg_temp_free_i32(t0); |
6ea83fed FB |
6061 | } |
6062 | ||
6af0bf9c | 6063 | /* Coprocessor 1 (FPU) */ |
5a5012ec | 6064 | |
5a5012ec TS |
6065 | #define FOP(func, fmt) (((fmt) << 21) | (func)) |
6066 | ||
bf4120ad NF |
6067 | enum fopcode { |
6068 | OPC_ADD_S = FOP(0, FMT_S), | |
6069 | OPC_SUB_S = FOP(1, FMT_S), | |
6070 | OPC_MUL_S = FOP(2, FMT_S), | |
6071 | OPC_DIV_S = FOP(3, FMT_S), | |
6072 | OPC_SQRT_S = FOP(4, FMT_S), | |
6073 | OPC_ABS_S = FOP(5, FMT_S), | |
6074 | OPC_MOV_S = FOP(6, FMT_S), | |
6075 | OPC_NEG_S = FOP(7, FMT_S), | |
6076 | OPC_ROUND_L_S = FOP(8, FMT_S), | |
6077 | OPC_TRUNC_L_S = FOP(9, FMT_S), | |
6078 | OPC_CEIL_L_S = FOP(10, FMT_S), | |
6079 | OPC_FLOOR_L_S = FOP(11, FMT_S), | |
6080 | OPC_ROUND_W_S = FOP(12, FMT_S), | |
6081 | OPC_TRUNC_W_S = FOP(13, FMT_S), | |
6082 | OPC_CEIL_W_S = FOP(14, FMT_S), | |
6083 | OPC_FLOOR_W_S = FOP(15, FMT_S), | |
6084 | OPC_MOVCF_S = FOP(17, FMT_S), | |
6085 | OPC_MOVZ_S = FOP(18, FMT_S), | |
6086 | OPC_MOVN_S = FOP(19, FMT_S), | |
6087 | OPC_RECIP_S = FOP(21, FMT_S), | |
6088 | OPC_RSQRT_S = FOP(22, FMT_S), | |
6089 | OPC_RECIP2_S = FOP(28, FMT_S), | |
6090 | OPC_RECIP1_S = FOP(29, FMT_S), | |
6091 | OPC_RSQRT1_S = FOP(30, FMT_S), | |
6092 | OPC_RSQRT2_S = FOP(31, FMT_S), | |
6093 | OPC_CVT_D_S = FOP(33, FMT_S), | |
6094 | OPC_CVT_W_S = FOP(36, FMT_S), | |
6095 | OPC_CVT_L_S = FOP(37, FMT_S), | |
6096 | OPC_CVT_PS_S = FOP(38, FMT_S), | |
6097 | OPC_CMP_F_S = FOP (48, FMT_S), | |
6098 | OPC_CMP_UN_S = FOP (49, FMT_S), | |
6099 | OPC_CMP_EQ_S = FOP (50, FMT_S), | |
6100 | OPC_CMP_UEQ_S = FOP (51, FMT_S), | |
6101 | OPC_CMP_OLT_S = FOP (52, FMT_S), | |
6102 | OPC_CMP_ULT_S = FOP (53, FMT_S), | |
6103 | OPC_CMP_OLE_S = FOP (54, FMT_S), | |
6104 | OPC_CMP_ULE_S = FOP (55, FMT_S), | |
6105 | OPC_CMP_SF_S = FOP (56, FMT_S), | |
6106 | OPC_CMP_NGLE_S = FOP (57, FMT_S), | |
6107 | OPC_CMP_SEQ_S = FOP (58, FMT_S), | |
6108 | OPC_CMP_NGL_S = FOP (59, FMT_S), | |
6109 | OPC_CMP_LT_S = FOP (60, FMT_S), | |
6110 | OPC_CMP_NGE_S = FOP (61, FMT_S), | |
6111 | OPC_CMP_LE_S = FOP (62, FMT_S), | |
6112 | OPC_CMP_NGT_S = FOP (63, FMT_S), | |
6113 | ||
6114 | OPC_ADD_D = FOP(0, FMT_D), | |
6115 | OPC_SUB_D = FOP(1, FMT_D), | |
6116 | OPC_MUL_D = FOP(2, FMT_D), | |
6117 | OPC_DIV_D = FOP(3, FMT_D), | |
6118 | OPC_SQRT_D = FOP(4, FMT_D), | |
6119 | OPC_ABS_D = FOP(5, FMT_D), | |
6120 | OPC_MOV_D = FOP(6, FMT_D), | |
6121 | OPC_NEG_D = FOP(7, FMT_D), | |
6122 | OPC_ROUND_L_D = FOP(8, FMT_D), | |
6123 | OPC_TRUNC_L_D = FOP(9, FMT_D), | |
6124 | OPC_CEIL_L_D = FOP(10, FMT_D), | |
6125 | OPC_FLOOR_L_D = FOP(11, FMT_D), | |
6126 | OPC_ROUND_W_D = FOP(12, FMT_D), | |
6127 | OPC_TRUNC_W_D = FOP(13, FMT_D), | |
6128 | OPC_CEIL_W_D = FOP(14, FMT_D), | |
6129 | OPC_FLOOR_W_D = FOP(15, FMT_D), | |
6130 | OPC_MOVCF_D = FOP(17, FMT_D), | |
6131 | OPC_MOVZ_D = FOP(18, FMT_D), | |
6132 | OPC_MOVN_D = FOP(19, FMT_D), | |
6133 | OPC_RECIP_D = FOP(21, FMT_D), | |
6134 | OPC_RSQRT_D = FOP(22, FMT_D), | |
6135 | OPC_RECIP2_D = FOP(28, FMT_D), | |
6136 | OPC_RECIP1_D = FOP(29, FMT_D), | |
6137 | OPC_RSQRT1_D = FOP(30, FMT_D), | |
6138 | OPC_RSQRT2_D = FOP(31, FMT_D), | |
6139 | OPC_CVT_S_D = FOP(32, FMT_D), | |
6140 | OPC_CVT_W_D = FOP(36, FMT_D), | |
6141 | OPC_CVT_L_D = FOP(37, FMT_D), | |
6142 | OPC_CMP_F_D = FOP (48, FMT_D), | |
6143 | OPC_CMP_UN_D = FOP (49, FMT_D), | |
6144 | OPC_CMP_EQ_D = FOP (50, FMT_D), | |
6145 | OPC_CMP_UEQ_D = FOP (51, FMT_D), | |
6146 | OPC_CMP_OLT_D = FOP (52, FMT_D), | |
6147 | OPC_CMP_ULT_D = FOP (53, FMT_D), | |
6148 | OPC_CMP_OLE_D = FOP (54, FMT_D), | |
6149 | OPC_CMP_ULE_D = FOP (55, FMT_D), | |
6150 | OPC_CMP_SF_D = FOP (56, FMT_D), | |
6151 | OPC_CMP_NGLE_D = FOP (57, FMT_D), | |
6152 | OPC_CMP_SEQ_D = FOP (58, FMT_D), | |
6153 | OPC_CMP_NGL_D = FOP (59, FMT_D), | |
6154 | OPC_CMP_LT_D = FOP (60, FMT_D), | |
6155 | OPC_CMP_NGE_D = FOP (61, FMT_D), | |
6156 | OPC_CMP_LE_D = FOP (62, FMT_D), | |
6157 | OPC_CMP_NGT_D = FOP (63, FMT_D), | |
6158 | ||
6159 | OPC_CVT_S_W = FOP(32, FMT_W), | |
6160 | OPC_CVT_D_W = FOP(33, FMT_W), | |
6161 | OPC_CVT_S_L = FOP(32, FMT_L), | |
6162 | OPC_CVT_D_L = FOP(33, FMT_L), | |
6163 | OPC_CVT_PS_PW = FOP(38, FMT_W), | |
6164 | ||
6165 | OPC_ADD_PS = FOP(0, FMT_PS), | |
6166 | OPC_SUB_PS = FOP(1, FMT_PS), | |
6167 | OPC_MUL_PS = FOP(2, FMT_PS), | |
6168 | OPC_DIV_PS = FOP(3, FMT_PS), | |
6169 | OPC_ABS_PS = FOP(5, FMT_PS), | |
6170 | OPC_MOV_PS = FOP(6, FMT_PS), | |
6171 | OPC_NEG_PS = FOP(7, FMT_PS), | |
6172 | OPC_MOVCF_PS = FOP(17, FMT_PS), | |
6173 | OPC_MOVZ_PS = FOP(18, FMT_PS), | |
6174 | OPC_MOVN_PS = FOP(19, FMT_PS), | |
6175 | OPC_ADDR_PS = FOP(24, FMT_PS), | |
6176 | OPC_MULR_PS = FOP(26, FMT_PS), | |
6177 | OPC_RECIP2_PS = FOP(28, FMT_PS), | |
6178 | OPC_RECIP1_PS = FOP(29, FMT_PS), | |
6179 | OPC_RSQRT1_PS = FOP(30, FMT_PS), | |
6180 | OPC_RSQRT2_PS = FOP(31, FMT_PS), | |
6181 | ||
6182 | OPC_CVT_S_PU = FOP(32, FMT_PS), | |
6183 | OPC_CVT_PW_PS = FOP(36, FMT_PS), | |
6184 | OPC_CVT_S_PL = FOP(40, FMT_PS), | |
6185 | OPC_PLL_PS = FOP(44, FMT_PS), | |
6186 | OPC_PLU_PS = FOP(45, FMT_PS), | |
6187 | OPC_PUL_PS = FOP(46, FMT_PS), | |
6188 | OPC_PUU_PS = FOP(47, FMT_PS), | |
6189 | OPC_CMP_F_PS = FOP (48, FMT_PS), | |
6190 | OPC_CMP_UN_PS = FOP (49, FMT_PS), | |
6191 | OPC_CMP_EQ_PS = FOP (50, FMT_PS), | |
6192 | OPC_CMP_UEQ_PS = FOP (51, FMT_PS), | |
6193 | OPC_CMP_OLT_PS = FOP (52, FMT_PS), | |
6194 | OPC_CMP_ULT_PS = FOP (53, FMT_PS), | |
6195 | OPC_CMP_OLE_PS = FOP (54, FMT_PS), | |
6196 | OPC_CMP_ULE_PS = FOP (55, FMT_PS), | |
6197 | OPC_CMP_SF_PS = FOP (56, FMT_PS), | |
6198 | OPC_CMP_NGLE_PS = FOP (57, FMT_PS), | |
6199 | OPC_CMP_SEQ_PS = FOP (58, FMT_PS), | |
6200 | OPC_CMP_NGL_PS = FOP (59, FMT_PS), | |
6201 | OPC_CMP_LT_PS = FOP (60, FMT_PS), | |
6202 | OPC_CMP_NGE_PS = FOP (61, FMT_PS), | |
6203 | OPC_CMP_LE_PS = FOP (62, FMT_PS), | |
6204 | OPC_CMP_NGT_PS = FOP (63, FMT_PS), | |
6205 | }; | |
6206 | ||
7a387fff | 6207 | static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
6ea83fed | 6208 | { |
923617a3 | 6209 | const char *opn = "cp1 move"; |
72c3a3ee | 6210 | TCGv t0 = tcg_temp_new(); |
6ea83fed FB |
6211 | |
6212 | switch (opc) { | |
6213 | case OPC_MFC1: | |
b6d96bed | 6214 | { |
a7812ae4 | 6215 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6216 | |
6217 | gen_load_fpr32(fp0, fs); | |
6218 | tcg_gen_ext_i32_tl(t0, fp0); | |
a7812ae4 | 6219 | tcg_temp_free_i32(fp0); |
6958549d | 6220 | } |
6c5c1e20 | 6221 | gen_store_gpr(t0, rt); |
6ea83fed FB |
6222 | opn = "mfc1"; |
6223 | break; | |
6224 | case OPC_MTC1: | |
6c5c1e20 | 6225 | gen_load_gpr(t0, rt); |
b6d96bed | 6226 | { |
a7812ae4 | 6227 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6228 | |
6229 | tcg_gen_trunc_tl_i32(fp0, t0); | |
6230 | gen_store_fpr32(fp0, fs); | |
a7812ae4 | 6231 | tcg_temp_free_i32(fp0); |
6958549d | 6232 | } |
6ea83fed FB |
6233 | opn = "mtc1"; |
6234 | break; | |
6235 | case OPC_CFC1: | |
a7812ae4 | 6236 | gen_helper_1i(cfc1, t0, fs); |
6c5c1e20 | 6237 | gen_store_gpr(t0, rt); |
6ea83fed FB |
6238 | opn = "cfc1"; |
6239 | break; | |
6240 | case OPC_CTC1: | |
6c5c1e20 | 6241 | gen_load_gpr(t0, rt); |
a7812ae4 | 6242 | gen_helper_1i(ctc1, t0, fs); |
6ea83fed FB |
6243 | opn = "ctc1"; |
6244 | break; | |
72c3a3ee | 6245 | #if defined(TARGET_MIPS64) |
9c2149c8 | 6246 | case OPC_DMFC1: |
72c3a3ee | 6247 | gen_load_fpr64(ctx, t0, fs); |
6c5c1e20 | 6248 | gen_store_gpr(t0, rt); |
5a5012ec TS |
6249 | opn = "dmfc1"; |
6250 | break; | |
9c2149c8 | 6251 | case OPC_DMTC1: |
6c5c1e20 | 6252 | gen_load_gpr(t0, rt); |
72c3a3ee | 6253 | gen_store_fpr64(ctx, t0, fs); |
5a5012ec TS |
6254 | opn = "dmtc1"; |
6255 | break; | |
72c3a3ee | 6256 | #endif |
5a5012ec | 6257 | case OPC_MFHC1: |
b6d96bed | 6258 | { |
a7812ae4 | 6259 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6260 | |
6261 | gen_load_fpr32h(fp0, fs); | |
6262 | tcg_gen_ext_i32_tl(t0, fp0); | |
a7812ae4 | 6263 | tcg_temp_free_i32(fp0); |
6958549d | 6264 | } |
6c5c1e20 | 6265 | gen_store_gpr(t0, rt); |
5a5012ec TS |
6266 | opn = "mfhc1"; |
6267 | break; | |
6268 | case OPC_MTHC1: | |
6c5c1e20 | 6269 | gen_load_gpr(t0, rt); |
b6d96bed | 6270 | { |
a7812ae4 | 6271 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6272 | |
6273 | tcg_gen_trunc_tl_i32(fp0, t0); | |
6274 | gen_store_fpr32h(fp0, fs); | |
a7812ae4 | 6275 | tcg_temp_free_i32(fp0); |
6958549d | 6276 | } |
5a5012ec TS |
6277 | opn = "mthc1"; |
6278 | break; | |
6ea83fed | 6279 | default: |
923617a3 | 6280 | MIPS_INVAL(opn); |
e397ee33 | 6281 | generate_exception (ctx, EXCP_RI); |
6c5c1e20 | 6282 | goto out; |
6ea83fed FB |
6283 | } |
6284 | MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]); | |
6c5c1e20 TS |
6285 | |
6286 | out: | |
6287 | tcg_temp_free(t0); | |
6ea83fed FB |
6288 | } |
6289 | ||
5a5012ec TS |
6290 | static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
6291 | { | |
af58f9ca | 6292 | int l1; |
e214b9bb | 6293 | TCGCond cond; |
af58f9ca AJ |
6294 | TCGv_i32 t0; |
6295 | ||
6296 | if (rd == 0) { | |
6297 | /* Treat as NOP. */ | |
6298 | return; | |
6299 | } | |
6ea83fed | 6300 | |
e214b9bb | 6301 | if (tf) |
e214b9bb | 6302 | cond = TCG_COND_EQ; |
27848470 TS |
6303 | else |
6304 | cond = TCG_COND_NE; | |
6305 | ||
af58f9ca AJ |
6306 | l1 = gen_new_label(); |
6307 | t0 = tcg_temp_new_i32(); | |
fa31af0e | 6308 | tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
af58f9ca | 6309 | tcg_gen_brcondi_i32(cond, t0, 0, l1); |
a4e8338d | 6310 | tcg_temp_free_i32(t0); |
af58f9ca AJ |
6311 | if (rs == 0) { |
6312 | tcg_gen_movi_tl(cpu_gpr[rd], 0); | |
6313 | } else { | |
6314 | tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); | |
6315 | } | |
e214b9bb | 6316 | gen_set_label(l1); |
5a5012ec TS |
6317 | } |
6318 | ||
b6d96bed | 6319 | static inline void gen_movcf_s (int fs, int fd, int cc, int tf) |
a16336e4 | 6320 | { |
a16336e4 | 6321 | int cond; |
cbc37b28 | 6322 | TCGv_i32 t0 = tcg_temp_new_i32(); |
a16336e4 TS |
6323 | int l1 = gen_new_label(); |
6324 | ||
a16336e4 TS |
6325 | if (tf) |
6326 | cond = TCG_COND_EQ; | |
6327 | else | |
6328 | cond = TCG_COND_NE; | |
6329 | ||
fa31af0e | 6330 | tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
cbc37b28 AJ |
6331 | tcg_gen_brcondi_i32(cond, t0, 0, l1); |
6332 | gen_load_fpr32(t0, fs); | |
6333 | gen_store_fpr32(t0, fd); | |
a16336e4 | 6334 | gen_set_label(l1); |
cbc37b28 | 6335 | tcg_temp_free_i32(t0); |
5a5012ec | 6336 | } |
a16336e4 | 6337 | |
b6d96bed | 6338 | static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf) |
a16336e4 | 6339 | { |
a16336e4 | 6340 | int cond; |
cbc37b28 AJ |
6341 | TCGv_i32 t0 = tcg_temp_new_i32(); |
6342 | TCGv_i64 fp0; | |
a16336e4 TS |
6343 | int l1 = gen_new_label(); |
6344 | ||
a16336e4 TS |
6345 | if (tf) |
6346 | cond = TCG_COND_EQ; | |
6347 | else | |
6348 | cond = TCG_COND_NE; | |
6349 | ||
fa31af0e | 6350 | tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
cbc37b28 | 6351 | tcg_gen_brcondi_i32(cond, t0, 0, l1); |
a4e8338d | 6352 | tcg_temp_free_i32(t0); |
11f94258 | 6353 | fp0 = tcg_temp_new_i64(); |
9bf3eb2c | 6354 | gen_load_fpr64(ctx, fp0, fs); |
9bf3eb2c | 6355 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6356 | tcg_temp_free_i64(fp0); |
cbc37b28 | 6357 | gen_set_label(l1); |
a16336e4 TS |
6358 | } |
6359 | ||
b6d96bed | 6360 | static inline void gen_movcf_ps (int fs, int fd, int cc, int tf) |
a16336e4 TS |
6361 | { |
6362 | int cond; | |
cbc37b28 | 6363 | TCGv_i32 t0 = tcg_temp_new_i32(); |
a16336e4 TS |
6364 | int l1 = gen_new_label(); |
6365 | int l2 = gen_new_label(); | |
6366 | ||
6367 | if (tf) | |
6368 | cond = TCG_COND_EQ; | |
6369 | else | |
6370 | cond = TCG_COND_NE; | |
6371 | ||
fa31af0e | 6372 | tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
cbc37b28 AJ |
6373 | tcg_gen_brcondi_i32(cond, t0, 0, l1); |
6374 | gen_load_fpr32(t0, fs); | |
6375 | gen_store_fpr32(t0, fd); | |
a16336e4 | 6376 | gen_set_label(l1); |
9bf3eb2c | 6377 | |
fa31af0e | 6378 | tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1)); |
cbc37b28 AJ |
6379 | tcg_gen_brcondi_i32(cond, t0, 0, l2); |
6380 | gen_load_fpr32h(t0, fs); | |
6381 | gen_store_fpr32h(t0, fd); | |
52a0e9eb | 6382 | tcg_temp_free_i32(t0); |
a16336e4 | 6383 | gen_set_label(l2); |
a16336e4 TS |
6384 | } |
6385 | ||
6ea83fed | 6386 | |
bf4120ad | 6387 | static void gen_farith (DisasContext *ctx, enum fopcode op1, |
5e755519 | 6388 | int ft, int fs, int fd, int cc) |
6ea83fed | 6389 | { |
923617a3 | 6390 | const char *opn = "farith"; |
6ea83fed FB |
6391 | const char *condnames[] = { |
6392 | "c.f", | |
6393 | "c.un", | |
6394 | "c.eq", | |
6395 | "c.ueq", | |
6396 | "c.olt", | |
6397 | "c.ult", | |
6398 | "c.ole", | |
6399 | "c.ule", | |
6400 | "c.sf", | |
6401 | "c.ngle", | |
6402 | "c.seq", | |
6403 | "c.ngl", | |
6404 | "c.lt", | |
6405 | "c.nge", | |
6406 | "c.le", | |
6407 | "c.ngt", | |
6408 | }; | |
5a1e8ffb TS |
6409 | const char *condnames_abs[] = { |
6410 | "cabs.f", | |
6411 | "cabs.un", | |
6412 | "cabs.eq", | |
6413 | "cabs.ueq", | |
6414 | "cabs.olt", | |
6415 | "cabs.ult", | |
6416 | "cabs.ole", | |
6417 | "cabs.ule", | |
6418 | "cabs.sf", | |
6419 | "cabs.ngle", | |
6420 | "cabs.seq", | |
6421 | "cabs.ngl", | |
6422 | "cabs.lt", | |
6423 | "cabs.nge", | |
6424 | "cabs.le", | |
6425 | "cabs.ngt", | |
6426 | }; | |
6427 | enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP; | |
7a387fff TS |
6428 | uint32_t func = ctx->opcode & 0x3f; |
6429 | ||
bf4120ad NF |
6430 | switch (op1) { |
6431 | case OPC_ADD_S: | |
b6d96bed | 6432 | { |
a7812ae4 PB |
6433 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
6434 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6435 | |
6436 | gen_load_fpr32(fp0, fs); | |
6437 | gen_load_fpr32(fp1, ft); | |
a7812ae4 PB |
6438 | gen_helper_float_add_s(fp0, fp0, fp1); |
6439 | tcg_temp_free_i32(fp1); | |
b6d96bed | 6440 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6441 | tcg_temp_free_i32(fp0); |
b6d96bed | 6442 | } |
5a5012ec | 6443 | opn = "add.s"; |
5a1e8ffb | 6444 | optype = BINOP; |
5a5012ec | 6445 | break; |
bf4120ad | 6446 | case OPC_SUB_S: |
b6d96bed | 6447 | { |
a7812ae4 PB |
6448 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
6449 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6450 | |
6451 | gen_load_fpr32(fp0, fs); | |
6452 | gen_load_fpr32(fp1, ft); | |
a7812ae4 PB |
6453 | gen_helper_float_sub_s(fp0, fp0, fp1); |
6454 | tcg_temp_free_i32(fp1); | |
b6d96bed | 6455 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6456 | tcg_temp_free_i32(fp0); |
b6d96bed | 6457 | } |
5a5012ec | 6458 | opn = "sub.s"; |
5a1e8ffb | 6459 | optype = BINOP; |
5a5012ec | 6460 | break; |
bf4120ad | 6461 | case OPC_MUL_S: |
b6d96bed | 6462 | { |
a7812ae4 PB |
6463 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
6464 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6465 | |
6466 | gen_load_fpr32(fp0, fs); | |
6467 | gen_load_fpr32(fp1, ft); | |
a7812ae4 PB |
6468 | gen_helper_float_mul_s(fp0, fp0, fp1); |
6469 | tcg_temp_free_i32(fp1); | |
b6d96bed | 6470 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6471 | tcg_temp_free_i32(fp0); |
b6d96bed | 6472 | } |
5a5012ec | 6473 | opn = "mul.s"; |
5a1e8ffb | 6474 | optype = BINOP; |
5a5012ec | 6475 | break; |
bf4120ad | 6476 | case OPC_DIV_S: |
b6d96bed | 6477 | { |
a7812ae4 PB |
6478 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
6479 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6480 | |
6481 | gen_load_fpr32(fp0, fs); | |
6482 | gen_load_fpr32(fp1, ft); | |
a7812ae4 PB |
6483 | gen_helper_float_div_s(fp0, fp0, fp1); |
6484 | tcg_temp_free_i32(fp1); | |
b6d96bed | 6485 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6486 | tcg_temp_free_i32(fp0); |
b6d96bed | 6487 | } |
5a5012ec | 6488 | opn = "div.s"; |
5a1e8ffb | 6489 | optype = BINOP; |
5a5012ec | 6490 | break; |
bf4120ad | 6491 | case OPC_SQRT_S: |
b6d96bed | 6492 | { |
a7812ae4 | 6493 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6494 | |
6495 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6496 | gen_helper_float_sqrt_s(fp0, fp0); |
b6d96bed | 6497 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6498 | tcg_temp_free_i32(fp0); |
b6d96bed | 6499 | } |
5a5012ec TS |
6500 | opn = "sqrt.s"; |
6501 | break; | |
bf4120ad | 6502 | case OPC_ABS_S: |
b6d96bed | 6503 | { |
a7812ae4 | 6504 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6505 | |
6506 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6507 | gen_helper_float_abs_s(fp0, fp0); |
b6d96bed | 6508 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6509 | tcg_temp_free_i32(fp0); |
b6d96bed | 6510 | } |
5a5012ec TS |
6511 | opn = "abs.s"; |
6512 | break; | |
bf4120ad | 6513 | case OPC_MOV_S: |
b6d96bed | 6514 | { |
a7812ae4 | 6515 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6516 | |
6517 | gen_load_fpr32(fp0, fs); | |
6518 | gen_store_fpr32(fp0, fd); | |
a7812ae4 | 6519 | tcg_temp_free_i32(fp0); |
b6d96bed | 6520 | } |
5a5012ec TS |
6521 | opn = "mov.s"; |
6522 | break; | |
bf4120ad | 6523 | case OPC_NEG_S: |
b6d96bed | 6524 | { |
a7812ae4 | 6525 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6526 | |
6527 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6528 | gen_helper_float_chs_s(fp0, fp0); |
b6d96bed | 6529 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6530 | tcg_temp_free_i32(fp0); |
b6d96bed | 6531 | } |
5a5012ec TS |
6532 | opn = "neg.s"; |
6533 | break; | |
bf4120ad | 6534 | case OPC_ROUND_L_S: |
5e755519 | 6535 | check_cp1_64bitmode(ctx); |
b6d96bed | 6536 | { |
a7812ae4 PB |
6537 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6538 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6539 | |
6540 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
6541 | gen_helper_float_roundl_s(fp64, fp32); |
6542 | tcg_temp_free_i32(fp32); | |
b6d96bed | 6543 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6544 | tcg_temp_free_i64(fp64); |
b6d96bed | 6545 | } |
5a5012ec TS |
6546 | opn = "round.l.s"; |
6547 | break; | |
bf4120ad | 6548 | case OPC_TRUNC_L_S: |
5e755519 | 6549 | check_cp1_64bitmode(ctx); |
b6d96bed | 6550 | { |
a7812ae4 PB |
6551 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6552 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6553 | |
6554 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
6555 | gen_helper_float_truncl_s(fp64, fp32); |
6556 | tcg_temp_free_i32(fp32); | |
b6d96bed | 6557 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6558 | tcg_temp_free_i64(fp64); |
b6d96bed | 6559 | } |
5a5012ec TS |
6560 | opn = "trunc.l.s"; |
6561 | break; | |
bf4120ad | 6562 | case OPC_CEIL_L_S: |
5e755519 | 6563 | check_cp1_64bitmode(ctx); |
b6d96bed | 6564 | { |
a7812ae4 PB |
6565 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6566 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6567 | |
6568 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
6569 | gen_helper_float_ceill_s(fp64, fp32); |
6570 | tcg_temp_free_i32(fp32); | |
b6d96bed | 6571 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6572 | tcg_temp_free_i64(fp64); |
b6d96bed | 6573 | } |
5a5012ec TS |
6574 | opn = "ceil.l.s"; |
6575 | break; | |
bf4120ad | 6576 | case OPC_FLOOR_L_S: |
5e755519 | 6577 | check_cp1_64bitmode(ctx); |
b6d96bed | 6578 | { |
a7812ae4 PB |
6579 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6580 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6581 | |
6582 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
6583 | gen_helper_float_floorl_s(fp64, fp32); |
6584 | tcg_temp_free_i32(fp32); | |
b6d96bed | 6585 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6586 | tcg_temp_free_i64(fp64); |
b6d96bed | 6587 | } |
5a5012ec TS |
6588 | opn = "floor.l.s"; |
6589 | break; | |
bf4120ad | 6590 | case OPC_ROUND_W_S: |
b6d96bed | 6591 | { |
a7812ae4 | 6592 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6593 | |
6594 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6595 | gen_helper_float_roundw_s(fp0, fp0); |
b6d96bed | 6596 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6597 | tcg_temp_free_i32(fp0); |
b6d96bed | 6598 | } |
5a5012ec TS |
6599 | opn = "round.w.s"; |
6600 | break; | |
bf4120ad | 6601 | case OPC_TRUNC_W_S: |
b6d96bed | 6602 | { |
a7812ae4 | 6603 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6604 | |
6605 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6606 | gen_helper_float_truncw_s(fp0, fp0); |
b6d96bed | 6607 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6608 | tcg_temp_free_i32(fp0); |
b6d96bed | 6609 | } |
5a5012ec TS |
6610 | opn = "trunc.w.s"; |
6611 | break; | |
bf4120ad | 6612 | case OPC_CEIL_W_S: |
b6d96bed | 6613 | { |
a7812ae4 | 6614 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6615 | |
6616 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6617 | gen_helper_float_ceilw_s(fp0, fp0); |
b6d96bed | 6618 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6619 | tcg_temp_free_i32(fp0); |
b6d96bed | 6620 | } |
5a5012ec TS |
6621 | opn = "ceil.w.s"; |
6622 | break; | |
bf4120ad | 6623 | case OPC_FLOOR_W_S: |
b6d96bed | 6624 | { |
a7812ae4 | 6625 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6626 | |
6627 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6628 | gen_helper_float_floorw_s(fp0, fp0); |
b6d96bed | 6629 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6630 | tcg_temp_free_i32(fp0); |
b6d96bed | 6631 | } |
5a5012ec TS |
6632 | opn = "floor.w.s"; |
6633 | break; | |
bf4120ad | 6634 | case OPC_MOVCF_S: |
b6d96bed | 6635 | gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
5a5012ec TS |
6636 | opn = "movcf.s"; |
6637 | break; | |
bf4120ad | 6638 | case OPC_MOVZ_S: |
a16336e4 TS |
6639 | { |
6640 | int l1 = gen_new_label(); | |
c9297f4d | 6641 | TCGv_i32 fp0; |
a16336e4 | 6642 | |
c9297f4d AJ |
6643 | if (ft != 0) { |
6644 | tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); | |
6645 | } | |
6646 | fp0 = tcg_temp_new_i32(); | |
b6d96bed TS |
6647 | gen_load_fpr32(fp0, fs); |
6648 | gen_store_fpr32(fp0, fd); | |
a7812ae4 | 6649 | tcg_temp_free_i32(fp0); |
a16336e4 TS |
6650 | gen_set_label(l1); |
6651 | } | |
5a5012ec TS |
6652 | opn = "movz.s"; |
6653 | break; | |
bf4120ad | 6654 | case OPC_MOVN_S: |
a16336e4 TS |
6655 | { |
6656 | int l1 = gen_new_label(); | |
c9297f4d AJ |
6657 | TCGv_i32 fp0; |
6658 | ||
6659 | if (ft != 0) { | |
6660 | tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); | |
6661 | fp0 = tcg_temp_new_i32(); | |
6662 | gen_load_fpr32(fp0, fs); | |
6663 | gen_store_fpr32(fp0, fd); | |
6664 | tcg_temp_free_i32(fp0); | |
6665 | gen_set_label(l1); | |
6666 | } | |
a16336e4 | 6667 | } |
5a5012ec TS |
6668 | opn = "movn.s"; |
6669 | break; | |
bf4120ad | 6670 | case OPC_RECIP_S: |
b8aa4598 | 6671 | check_cop1x(ctx); |
b6d96bed | 6672 | { |
a7812ae4 | 6673 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6674 | |
6675 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6676 | gen_helper_float_recip_s(fp0, fp0); |
b6d96bed | 6677 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6678 | tcg_temp_free_i32(fp0); |
b6d96bed | 6679 | } |
57fa1fb3 TS |
6680 | opn = "recip.s"; |
6681 | break; | |
bf4120ad | 6682 | case OPC_RSQRT_S: |
b8aa4598 | 6683 | check_cop1x(ctx); |
b6d96bed | 6684 | { |
a7812ae4 | 6685 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6686 | |
6687 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6688 | gen_helper_float_rsqrt_s(fp0, fp0); |
b6d96bed | 6689 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6690 | tcg_temp_free_i32(fp0); |
b6d96bed | 6691 | } |
57fa1fb3 TS |
6692 | opn = "rsqrt.s"; |
6693 | break; | |
bf4120ad | 6694 | case OPC_RECIP2_S: |
5e755519 | 6695 | check_cp1_64bitmode(ctx); |
b6d96bed | 6696 | { |
a7812ae4 PB |
6697 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
6698 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6699 | |
6700 | gen_load_fpr32(fp0, fs); | |
6701 | gen_load_fpr32(fp1, fd); | |
a7812ae4 PB |
6702 | gen_helper_float_recip2_s(fp0, fp0, fp1); |
6703 | tcg_temp_free_i32(fp1); | |
b6d96bed | 6704 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6705 | tcg_temp_free_i32(fp0); |
b6d96bed | 6706 | } |
57fa1fb3 TS |
6707 | opn = "recip2.s"; |
6708 | break; | |
bf4120ad | 6709 | case OPC_RECIP1_S: |
5e755519 | 6710 | check_cp1_64bitmode(ctx); |
b6d96bed | 6711 | { |
a7812ae4 | 6712 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6713 | |
6714 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6715 | gen_helper_float_recip1_s(fp0, fp0); |
b6d96bed | 6716 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6717 | tcg_temp_free_i32(fp0); |
b6d96bed | 6718 | } |
57fa1fb3 TS |
6719 | opn = "recip1.s"; |
6720 | break; | |
bf4120ad | 6721 | case OPC_RSQRT1_S: |
5e755519 | 6722 | check_cp1_64bitmode(ctx); |
b6d96bed | 6723 | { |
a7812ae4 | 6724 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6725 | |
6726 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6727 | gen_helper_float_rsqrt1_s(fp0, fp0); |
b6d96bed | 6728 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6729 | tcg_temp_free_i32(fp0); |
b6d96bed | 6730 | } |
57fa1fb3 TS |
6731 | opn = "rsqrt1.s"; |
6732 | break; | |
bf4120ad | 6733 | case OPC_RSQRT2_S: |
5e755519 | 6734 | check_cp1_64bitmode(ctx); |
b6d96bed | 6735 | { |
a7812ae4 PB |
6736 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
6737 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6738 | |
6739 | gen_load_fpr32(fp0, fs); | |
6740 | gen_load_fpr32(fp1, ft); | |
a7812ae4 PB |
6741 | gen_helper_float_rsqrt2_s(fp0, fp0, fp1); |
6742 | tcg_temp_free_i32(fp1); | |
b6d96bed | 6743 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6744 | tcg_temp_free_i32(fp0); |
b6d96bed | 6745 | } |
57fa1fb3 TS |
6746 | opn = "rsqrt2.s"; |
6747 | break; | |
bf4120ad | 6748 | case OPC_CVT_D_S: |
5e755519 | 6749 | check_cp1_registers(ctx, fd); |
b6d96bed | 6750 | { |
a7812ae4 PB |
6751 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6752 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6753 | |
6754 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
6755 | gen_helper_float_cvtd_s(fp64, fp32); |
6756 | tcg_temp_free_i32(fp32); | |
b6d96bed | 6757 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6758 | tcg_temp_free_i64(fp64); |
b6d96bed | 6759 | } |
5a5012ec TS |
6760 | opn = "cvt.d.s"; |
6761 | break; | |
bf4120ad | 6762 | case OPC_CVT_W_S: |
b6d96bed | 6763 | { |
a7812ae4 | 6764 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
6765 | |
6766 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 6767 | gen_helper_float_cvtw_s(fp0, fp0); |
b6d96bed | 6768 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 6769 | tcg_temp_free_i32(fp0); |
b6d96bed | 6770 | } |
5a5012ec TS |
6771 | opn = "cvt.w.s"; |
6772 | break; | |
bf4120ad | 6773 | case OPC_CVT_L_S: |
5e755519 | 6774 | check_cp1_64bitmode(ctx); |
b6d96bed | 6775 | { |
a7812ae4 PB |
6776 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6777 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6778 | |
6779 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
6780 | gen_helper_float_cvtl_s(fp64, fp32); |
6781 | tcg_temp_free_i32(fp32); | |
b6d96bed | 6782 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6783 | tcg_temp_free_i64(fp64); |
b6d96bed | 6784 | } |
5a5012ec TS |
6785 | opn = "cvt.l.s"; |
6786 | break; | |
bf4120ad | 6787 | case OPC_CVT_PS_S: |
5e755519 | 6788 | check_cp1_64bitmode(ctx); |
b6d96bed | 6789 | { |
a7812ae4 PB |
6790 | TCGv_i64 fp64 = tcg_temp_new_i64(); |
6791 | TCGv_i32 fp32_0 = tcg_temp_new_i32(); | |
6792 | TCGv_i32 fp32_1 = tcg_temp_new_i32(); | |
b6d96bed TS |
6793 | |
6794 | gen_load_fpr32(fp32_0, fs); | |
6795 | gen_load_fpr32(fp32_1, ft); | |
36aa55dc | 6796 | tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1); |
a7812ae4 PB |
6797 | tcg_temp_free_i32(fp32_1); |
6798 | tcg_temp_free_i32(fp32_0); | |
36aa55dc | 6799 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 6800 | tcg_temp_free_i64(fp64); |
b6d96bed | 6801 | } |
5a5012ec TS |
6802 | opn = "cvt.ps.s"; |
6803 | break; | |
bf4120ad NF |
6804 | case OPC_CMP_F_S: |
6805 | case OPC_CMP_UN_S: | |
6806 | case OPC_CMP_EQ_S: | |
6807 | case OPC_CMP_UEQ_S: | |
6808 | case OPC_CMP_OLT_S: | |
6809 | case OPC_CMP_ULT_S: | |
6810 | case OPC_CMP_OLE_S: | |
6811 | case OPC_CMP_ULE_S: | |
6812 | case OPC_CMP_SF_S: | |
6813 | case OPC_CMP_NGLE_S: | |
6814 | case OPC_CMP_SEQ_S: | |
6815 | case OPC_CMP_NGL_S: | |
6816 | case OPC_CMP_LT_S: | |
6817 | case OPC_CMP_NGE_S: | |
6818 | case OPC_CMP_LE_S: | |
6819 | case OPC_CMP_NGT_S: | |
8153667c NF |
6820 | if (ctx->opcode & (1 << 6)) { |
6821 | gen_cmpabs_s(ctx, func-48, ft, fs, cc); | |
6822 | opn = condnames_abs[func-48]; | |
6823 | } else { | |
6824 | gen_cmp_s(ctx, func-48, ft, fs, cc); | |
6825 | opn = condnames[func-48]; | |
5a1e8ffb | 6826 | } |
5a5012ec | 6827 | break; |
bf4120ad | 6828 | case OPC_ADD_D: |
5e755519 | 6829 | check_cp1_registers(ctx, fs | ft | fd); |
b6d96bed | 6830 | { |
a7812ae4 PB |
6831 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
6832 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
6833 | |
6834 | gen_load_fpr64(ctx, fp0, fs); | |
6835 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
6836 | gen_helper_float_add_d(fp0, fp0, fp1); |
6837 | tcg_temp_free_i64(fp1); | |
b6d96bed | 6838 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6839 | tcg_temp_free_i64(fp0); |
b6d96bed | 6840 | } |
6ea83fed | 6841 | opn = "add.d"; |
5a1e8ffb | 6842 | optype = BINOP; |
6ea83fed | 6843 | break; |
bf4120ad | 6844 | case OPC_SUB_D: |
5e755519 | 6845 | check_cp1_registers(ctx, fs | ft | fd); |
b6d96bed | 6846 | { |
a7812ae4 PB |
6847 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
6848 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
6849 | |
6850 | gen_load_fpr64(ctx, fp0, fs); | |
6851 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
6852 | gen_helper_float_sub_d(fp0, fp0, fp1); |
6853 | tcg_temp_free_i64(fp1); | |
b6d96bed | 6854 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6855 | tcg_temp_free_i64(fp0); |
b6d96bed | 6856 | } |
6ea83fed | 6857 | opn = "sub.d"; |
5a1e8ffb | 6858 | optype = BINOP; |
6ea83fed | 6859 | break; |
bf4120ad | 6860 | case OPC_MUL_D: |
5e755519 | 6861 | check_cp1_registers(ctx, fs | ft | fd); |
b6d96bed | 6862 | { |
a7812ae4 PB |
6863 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
6864 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
6865 | |
6866 | gen_load_fpr64(ctx, fp0, fs); | |
6867 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
6868 | gen_helper_float_mul_d(fp0, fp0, fp1); |
6869 | tcg_temp_free_i64(fp1); | |
b6d96bed | 6870 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6871 | tcg_temp_free_i64(fp0); |
b6d96bed | 6872 | } |
6ea83fed | 6873 | opn = "mul.d"; |
5a1e8ffb | 6874 | optype = BINOP; |
6ea83fed | 6875 | break; |
bf4120ad | 6876 | case OPC_DIV_D: |
5e755519 | 6877 | check_cp1_registers(ctx, fs | ft | fd); |
b6d96bed | 6878 | { |
a7812ae4 PB |
6879 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
6880 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
6881 | |
6882 | gen_load_fpr64(ctx, fp0, fs); | |
6883 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
6884 | gen_helper_float_div_d(fp0, fp0, fp1); |
6885 | tcg_temp_free_i64(fp1); | |
b6d96bed | 6886 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6887 | tcg_temp_free_i64(fp0); |
b6d96bed | 6888 | } |
6ea83fed | 6889 | opn = "div.d"; |
5a1e8ffb | 6890 | optype = BINOP; |
6ea83fed | 6891 | break; |
bf4120ad | 6892 | case OPC_SQRT_D: |
5e755519 | 6893 | check_cp1_registers(ctx, fs | fd); |
b6d96bed | 6894 | { |
a7812ae4 | 6895 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6896 | |
6897 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6898 | gen_helper_float_sqrt_d(fp0, fp0); |
b6d96bed | 6899 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6900 | tcg_temp_free_i64(fp0); |
b6d96bed | 6901 | } |
6ea83fed FB |
6902 | opn = "sqrt.d"; |
6903 | break; | |
bf4120ad | 6904 | case OPC_ABS_D: |
5e755519 | 6905 | check_cp1_registers(ctx, fs | fd); |
b6d96bed | 6906 | { |
a7812ae4 | 6907 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6908 | |
6909 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6910 | gen_helper_float_abs_d(fp0, fp0); |
b6d96bed | 6911 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6912 | tcg_temp_free_i64(fp0); |
b6d96bed | 6913 | } |
6ea83fed FB |
6914 | opn = "abs.d"; |
6915 | break; | |
bf4120ad | 6916 | case OPC_MOV_D: |
5e755519 | 6917 | check_cp1_registers(ctx, fs | fd); |
b6d96bed | 6918 | { |
a7812ae4 | 6919 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6920 | |
6921 | gen_load_fpr64(ctx, fp0, fs); | |
6922 | gen_store_fpr64(ctx, fp0, fd); | |
a7812ae4 | 6923 | tcg_temp_free_i64(fp0); |
b6d96bed | 6924 | } |
6ea83fed FB |
6925 | opn = "mov.d"; |
6926 | break; | |
bf4120ad | 6927 | case OPC_NEG_D: |
5e755519 | 6928 | check_cp1_registers(ctx, fs | fd); |
b6d96bed | 6929 | { |
a7812ae4 | 6930 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6931 | |
6932 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6933 | gen_helper_float_chs_d(fp0, fp0); |
b6d96bed | 6934 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6935 | tcg_temp_free_i64(fp0); |
b6d96bed | 6936 | } |
6ea83fed FB |
6937 | opn = "neg.d"; |
6938 | break; | |
bf4120ad | 6939 | case OPC_ROUND_L_D: |
5e755519 | 6940 | check_cp1_64bitmode(ctx); |
b6d96bed | 6941 | { |
a7812ae4 | 6942 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6943 | |
6944 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6945 | gen_helper_float_roundl_d(fp0, fp0); |
b6d96bed | 6946 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6947 | tcg_temp_free_i64(fp0); |
b6d96bed | 6948 | } |
5a5012ec TS |
6949 | opn = "round.l.d"; |
6950 | break; | |
bf4120ad | 6951 | case OPC_TRUNC_L_D: |
5e755519 | 6952 | check_cp1_64bitmode(ctx); |
b6d96bed | 6953 | { |
a7812ae4 | 6954 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6955 | |
6956 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6957 | gen_helper_float_truncl_d(fp0, fp0); |
b6d96bed | 6958 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6959 | tcg_temp_free_i64(fp0); |
b6d96bed | 6960 | } |
5a5012ec TS |
6961 | opn = "trunc.l.d"; |
6962 | break; | |
bf4120ad | 6963 | case OPC_CEIL_L_D: |
5e755519 | 6964 | check_cp1_64bitmode(ctx); |
b6d96bed | 6965 | { |
a7812ae4 | 6966 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6967 | |
6968 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6969 | gen_helper_float_ceill_d(fp0, fp0); |
b6d96bed | 6970 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6971 | tcg_temp_free_i64(fp0); |
b6d96bed | 6972 | } |
5a5012ec TS |
6973 | opn = "ceil.l.d"; |
6974 | break; | |
bf4120ad | 6975 | case OPC_FLOOR_L_D: |
5e755519 | 6976 | check_cp1_64bitmode(ctx); |
b6d96bed | 6977 | { |
a7812ae4 | 6978 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
6979 | |
6980 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 6981 | gen_helper_float_floorl_d(fp0, fp0); |
b6d96bed | 6982 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 6983 | tcg_temp_free_i64(fp0); |
b6d96bed | 6984 | } |
5a5012ec TS |
6985 | opn = "floor.l.d"; |
6986 | break; | |
bf4120ad | 6987 | case OPC_ROUND_W_D: |
5e755519 | 6988 | check_cp1_registers(ctx, fs); |
b6d96bed | 6989 | { |
a7812ae4 PB |
6990 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
6991 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
6992 | |
6993 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
6994 | gen_helper_float_roundw_d(fp32, fp64); |
6995 | tcg_temp_free_i64(fp64); | |
b6d96bed | 6996 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 6997 | tcg_temp_free_i32(fp32); |
b6d96bed | 6998 | } |
6ea83fed FB |
6999 | opn = "round.w.d"; |
7000 | break; | |
bf4120ad | 7001 | case OPC_TRUNC_W_D: |
5e755519 | 7002 | check_cp1_registers(ctx, fs); |
b6d96bed | 7003 | { |
a7812ae4 PB |
7004 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7005 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7006 | |
7007 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
7008 | gen_helper_float_truncw_d(fp32, fp64); |
7009 | tcg_temp_free_i64(fp64); | |
b6d96bed | 7010 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 7011 | tcg_temp_free_i32(fp32); |
b6d96bed | 7012 | } |
6ea83fed FB |
7013 | opn = "trunc.w.d"; |
7014 | break; | |
bf4120ad | 7015 | case OPC_CEIL_W_D: |
5e755519 | 7016 | check_cp1_registers(ctx, fs); |
b6d96bed | 7017 | { |
a7812ae4 PB |
7018 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7019 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7020 | |
7021 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
7022 | gen_helper_float_ceilw_d(fp32, fp64); |
7023 | tcg_temp_free_i64(fp64); | |
b6d96bed | 7024 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 7025 | tcg_temp_free_i32(fp32); |
b6d96bed | 7026 | } |
6ea83fed FB |
7027 | opn = "ceil.w.d"; |
7028 | break; | |
bf4120ad | 7029 | case OPC_FLOOR_W_D: |
5e755519 | 7030 | check_cp1_registers(ctx, fs); |
b6d96bed | 7031 | { |
a7812ae4 PB |
7032 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7033 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7034 | |
7035 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
7036 | gen_helper_float_floorw_d(fp32, fp64); |
7037 | tcg_temp_free_i64(fp64); | |
b6d96bed | 7038 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 7039 | tcg_temp_free_i32(fp32); |
b6d96bed | 7040 | } |
7a387fff | 7041 | opn = "floor.w.d"; |
6ea83fed | 7042 | break; |
bf4120ad | 7043 | case OPC_MOVCF_D: |
b6d96bed | 7044 | gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
5a5012ec | 7045 | opn = "movcf.d"; |
dd016883 | 7046 | break; |
bf4120ad | 7047 | case OPC_MOVZ_D: |
a16336e4 TS |
7048 | { |
7049 | int l1 = gen_new_label(); | |
c9297f4d | 7050 | TCGv_i64 fp0; |
a16336e4 | 7051 | |
c9297f4d AJ |
7052 | if (ft != 0) { |
7053 | tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); | |
7054 | } | |
7055 | fp0 = tcg_temp_new_i64(); | |
b6d96bed TS |
7056 | gen_load_fpr64(ctx, fp0, fs); |
7057 | gen_store_fpr64(ctx, fp0, fd); | |
a7812ae4 | 7058 | tcg_temp_free_i64(fp0); |
a16336e4 TS |
7059 | gen_set_label(l1); |
7060 | } | |
5a5012ec TS |
7061 | opn = "movz.d"; |
7062 | break; | |
bf4120ad | 7063 | case OPC_MOVN_D: |
a16336e4 TS |
7064 | { |
7065 | int l1 = gen_new_label(); | |
c9297f4d AJ |
7066 | TCGv_i64 fp0; |
7067 | ||
7068 | if (ft != 0) { | |
7069 | tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); | |
7070 | fp0 = tcg_temp_new_i64(); | |
7071 | gen_load_fpr64(ctx, fp0, fs); | |
7072 | gen_store_fpr64(ctx, fp0, fd); | |
7073 | tcg_temp_free_i64(fp0); | |
7074 | gen_set_label(l1); | |
7075 | } | |
a16336e4 | 7076 | } |
5a5012ec | 7077 | opn = "movn.d"; |
6ea83fed | 7078 | break; |
bf4120ad | 7079 | case OPC_RECIP_D: |
b8aa4598 | 7080 | check_cp1_64bitmode(ctx); |
b6d96bed | 7081 | { |
a7812ae4 | 7082 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7083 | |
7084 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7085 | gen_helper_float_recip_d(fp0, fp0); |
b6d96bed | 7086 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7087 | tcg_temp_free_i64(fp0); |
b6d96bed | 7088 | } |
57fa1fb3 TS |
7089 | opn = "recip.d"; |
7090 | break; | |
bf4120ad | 7091 | case OPC_RSQRT_D: |
b8aa4598 | 7092 | check_cp1_64bitmode(ctx); |
b6d96bed | 7093 | { |
a7812ae4 | 7094 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7095 | |
7096 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7097 | gen_helper_float_rsqrt_d(fp0, fp0); |
b6d96bed | 7098 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7099 | tcg_temp_free_i64(fp0); |
b6d96bed | 7100 | } |
57fa1fb3 TS |
7101 | opn = "rsqrt.d"; |
7102 | break; | |
bf4120ad | 7103 | case OPC_RECIP2_D: |
5e755519 | 7104 | check_cp1_64bitmode(ctx); |
b6d96bed | 7105 | { |
a7812ae4 PB |
7106 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7107 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7108 | |
7109 | gen_load_fpr64(ctx, fp0, fs); | |
7110 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
7111 | gen_helper_float_recip2_d(fp0, fp0, fp1); |
7112 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7113 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7114 | tcg_temp_free_i64(fp0); |
b6d96bed | 7115 | } |
57fa1fb3 TS |
7116 | opn = "recip2.d"; |
7117 | break; | |
bf4120ad | 7118 | case OPC_RECIP1_D: |
5e755519 | 7119 | check_cp1_64bitmode(ctx); |
b6d96bed | 7120 | { |
a7812ae4 | 7121 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7122 | |
7123 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7124 | gen_helper_float_recip1_d(fp0, fp0); |
b6d96bed | 7125 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7126 | tcg_temp_free_i64(fp0); |
b6d96bed | 7127 | } |
57fa1fb3 TS |
7128 | opn = "recip1.d"; |
7129 | break; | |
bf4120ad | 7130 | case OPC_RSQRT1_D: |
5e755519 | 7131 | check_cp1_64bitmode(ctx); |
b6d96bed | 7132 | { |
a7812ae4 | 7133 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7134 | |
7135 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7136 | gen_helper_float_rsqrt1_d(fp0, fp0); |
b6d96bed | 7137 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7138 | tcg_temp_free_i64(fp0); |
b6d96bed | 7139 | } |
57fa1fb3 TS |
7140 | opn = "rsqrt1.d"; |
7141 | break; | |
bf4120ad | 7142 | case OPC_RSQRT2_D: |
5e755519 | 7143 | check_cp1_64bitmode(ctx); |
b6d96bed | 7144 | { |
a7812ae4 PB |
7145 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7146 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7147 | |
7148 | gen_load_fpr64(ctx, fp0, fs); | |
7149 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
7150 | gen_helper_float_rsqrt2_d(fp0, fp0, fp1); |
7151 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7152 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7153 | tcg_temp_free_i64(fp0); |
b6d96bed | 7154 | } |
57fa1fb3 TS |
7155 | opn = "rsqrt2.d"; |
7156 | break; | |
bf4120ad NF |
7157 | case OPC_CMP_F_D: |
7158 | case OPC_CMP_UN_D: | |
7159 | case OPC_CMP_EQ_D: | |
7160 | case OPC_CMP_UEQ_D: | |
7161 | case OPC_CMP_OLT_D: | |
7162 | case OPC_CMP_ULT_D: | |
7163 | case OPC_CMP_OLE_D: | |
7164 | case OPC_CMP_ULE_D: | |
7165 | case OPC_CMP_SF_D: | |
7166 | case OPC_CMP_NGLE_D: | |
7167 | case OPC_CMP_SEQ_D: | |
7168 | case OPC_CMP_NGL_D: | |
7169 | case OPC_CMP_LT_D: | |
7170 | case OPC_CMP_NGE_D: | |
7171 | case OPC_CMP_LE_D: | |
7172 | case OPC_CMP_NGT_D: | |
8153667c NF |
7173 | if (ctx->opcode & (1 << 6)) { |
7174 | gen_cmpabs_d(ctx, func-48, ft, fs, cc); | |
7175 | opn = condnames_abs[func-48]; | |
7176 | } else { | |
7177 | gen_cmp_d(ctx, func-48, ft, fs, cc); | |
7178 | opn = condnames[func-48]; | |
5a1e8ffb | 7179 | } |
6ea83fed | 7180 | break; |
bf4120ad | 7181 | case OPC_CVT_S_D: |
5e755519 | 7182 | check_cp1_registers(ctx, fs); |
b6d96bed | 7183 | { |
a7812ae4 PB |
7184 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7185 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7186 | |
7187 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
7188 | gen_helper_float_cvts_d(fp32, fp64); |
7189 | tcg_temp_free_i64(fp64); | |
b6d96bed | 7190 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 7191 | tcg_temp_free_i32(fp32); |
b6d96bed | 7192 | } |
5a5012ec TS |
7193 | opn = "cvt.s.d"; |
7194 | break; | |
bf4120ad | 7195 | case OPC_CVT_W_D: |
5e755519 | 7196 | check_cp1_registers(ctx, fs); |
b6d96bed | 7197 | { |
a7812ae4 PB |
7198 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7199 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7200 | |
7201 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
7202 | gen_helper_float_cvtw_d(fp32, fp64); |
7203 | tcg_temp_free_i64(fp64); | |
b6d96bed | 7204 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 7205 | tcg_temp_free_i32(fp32); |
b6d96bed | 7206 | } |
5a5012ec TS |
7207 | opn = "cvt.w.d"; |
7208 | break; | |
bf4120ad | 7209 | case OPC_CVT_L_D: |
5e755519 | 7210 | check_cp1_64bitmode(ctx); |
b6d96bed | 7211 | { |
a7812ae4 | 7212 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7213 | |
7214 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7215 | gen_helper_float_cvtl_d(fp0, fp0); |
b6d96bed | 7216 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7217 | tcg_temp_free_i64(fp0); |
b6d96bed | 7218 | } |
5a5012ec TS |
7219 | opn = "cvt.l.d"; |
7220 | break; | |
bf4120ad | 7221 | case OPC_CVT_S_W: |
b6d96bed | 7222 | { |
a7812ae4 | 7223 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
7224 | |
7225 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 7226 | gen_helper_float_cvts_w(fp0, fp0); |
b6d96bed | 7227 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 7228 | tcg_temp_free_i32(fp0); |
b6d96bed | 7229 | } |
5a5012ec | 7230 | opn = "cvt.s.w"; |
6ea83fed | 7231 | break; |
bf4120ad | 7232 | case OPC_CVT_D_W: |
5e755519 | 7233 | check_cp1_registers(ctx, fd); |
b6d96bed | 7234 | { |
a7812ae4 PB |
7235 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7236 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7237 | |
7238 | gen_load_fpr32(fp32, fs); | |
a7812ae4 PB |
7239 | gen_helper_float_cvtd_w(fp64, fp32); |
7240 | tcg_temp_free_i32(fp32); | |
b6d96bed | 7241 | gen_store_fpr64(ctx, fp64, fd); |
a7812ae4 | 7242 | tcg_temp_free_i64(fp64); |
b6d96bed | 7243 | } |
5a5012ec TS |
7244 | opn = "cvt.d.w"; |
7245 | break; | |
bf4120ad | 7246 | case OPC_CVT_S_L: |
5e755519 | 7247 | check_cp1_64bitmode(ctx); |
b6d96bed | 7248 | { |
a7812ae4 PB |
7249 | TCGv_i32 fp32 = tcg_temp_new_i32(); |
7250 | TCGv_i64 fp64 = tcg_temp_new_i64(); | |
b6d96bed TS |
7251 | |
7252 | gen_load_fpr64(ctx, fp64, fs); | |
a7812ae4 PB |
7253 | gen_helper_float_cvts_l(fp32, fp64); |
7254 | tcg_temp_free_i64(fp64); | |
b6d96bed | 7255 | gen_store_fpr32(fp32, fd); |
a7812ae4 | 7256 | tcg_temp_free_i32(fp32); |
b6d96bed | 7257 | } |
5a5012ec TS |
7258 | opn = "cvt.s.l"; |
7259 | break; | |
bf4120ad | 7260 | case OPC_CVT_D_L: |
5e755519 | 7261 | check_cp1_64bitmode(ctx); |
b6d96bed | 7262 | { |
a7812ae4 | 7263 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7264 | |
7265 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7266 | gen_helper_float_cvtd_l(fp0, fp0); |
b6d96bed | 7267 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7268 | tcg_temp_free_i64(fp0); |
b6d96bed | 7269 | } |
5a5012ec TS |
7270 | opn = "cvt.d.l"; |
7271 | break; | |
bf4120ad | 7272 | case OPC_CVT_PS_PW: |
5e755519 | 7273 | check_cp1_64bitmode(ctx); |
b6d96bed | 7274 | { |
a7812ae4 | 7275 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7276 | |
7277 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7278 | gen_helper_float_cvtps_pw(fp0, fp0); |
b6d96bed | 7279 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7280 | tcg_temp_free_i64(fp0); |
b6d96bed | 7281 | } |
5a5012ec TS |
7282 | opn = "cvt.ps.pw"; |
7283 | break; | |
bf4120ad | 7284 | case OPC_ADD_PS: |
5e755519 | 7285 | check_cp1_64bitmode(ctx); |
b6d96bed | 7286 | { |
a7812ae4 PB |
7287 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7288 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7289 | |
7290 | gen_load_fpr64(ctx, fp0, fs); | |
7291 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
7292 | gen_helper_float_add_ps(fp0, fp0, fp1); |
7293 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7294 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7295 | tcg_temp_free_i64(fp0); |
b6d96bed | 7296 | } |
5a5012ec | 7297 | opn = "add.ps"; |
6ea83fed | 7298 | break; |
bf4120ad | 7299 | case OPC_SUB_PS: |
5e755519 | 7300 | check_cp1_64bitmode(ctx); |
b6d96bed | 7301 | { |
a7812ae4 PB |
7302 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7303 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7304 | |
7305 | gen_load_fpr64(ctx, fp0, fs); | |
7306 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
7307 | gen_helper_float_sub_ps(fp0, fp0, fp1); |
7308 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7309 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7310 | tcg_temp_free_i64(fp0); |
b6d96bed | 7311 | } |
5a5012ec | 7312 | opn = "sub.ps"; |
6ea83fed | 7313 | break; |
bf4120ad | 7314 | case OPC_MUL_PS: |
5e755519 | 7315 | check_cp1_64bitmode(ctx); |
b6d96bed | 7316 | { |
a7812ae4 PB |
7317 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7318 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7319 | |
7320 | gen_load_fpr64(ctx, fp0, fs); | |
7321 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
7322 | gen_helper_float_mul_ps(fp0, fp0, fp1); |
7323 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7324 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7325 | tcg_temp_free_i64(fp0); |
b6d96bed | 7326 | } |
5a5012ec | 7327 | opn = "mul.ps"; |
6ea83fed | 7328 | break; |
bf4120ad | 7329 | case OPC_ABS_PS: |
5e755519 | 7330 | check_cp1_64bitmode(ctx); |
b6d96bed | 7331 | { |
a7812ae4 | 7332 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7333 | |
7334 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7335 | gen_helper_float_abs_ps(fp0, fp0); |
b6d96bed | 7336 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7337 | tcg_temp_free_i64(fp0); |
b6d96bed | 7338 | } |
5a5012ec | 7339 | opn = "abs.ps"; |
6ea83fed | 7340 | break; |
bf4120ad | 7341 | case OPC_MOV_PS: |
5e755519 | 7342 | check_cp1_64bitmode(ctx); |
b6d96bed | 7343 | { |
a7812ae4 | 7344 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7345 | |
7346 | gen_load_fpr64(ctx, fp0, fs); | |
7347 | gen_store_fpr64(ctx, fp0, fd); | |
a7812ae4 | 7348 | tcg_temp_free_i64(fp0); |
b6d96bed | 7349 | } |
5a5012ec | 7350 | opn = "mov.ps"; |
6ea83fed | 7351 | break; |
bf4120ad | 7352 | case OPC_NEG_PS: |
5e755519 | 7353 | check_cp1_64bitmode(ctx); |
b6d96bed | 7354 | { |
a7812ae4 | 7355 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7356 | |
7357 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7358 | gen_helper_float_chs_ps(fp0, fp0); |
b6d96bed | 7359 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7360 | tcg_temp_free_i64(fp0); |
b6d96bed | 7361 | } |
5a5012ec | 7362 | opn = "neg.ps"; |
6ea83fed | 7363 | break; |
bf4120ad | 7364 | case OPC_MOVCF_PS: |
5e755519 | 7365 | check_cp1_64bitmode(ctx); |
b6d96bed | 7366 | gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
5a5012ec | 7367 | opn = "movcf.ps"; |
6ea83fed | 7368 | break; |
bf4120ad | 7369 | case OPC_MOVZ_PS: |
5e755519 | 7370 | check_cp1_64bitmode(ctx); |
a16336e4 TS |
7371 | { |
7372 | int l1 = gen_new_label(); | |
30a3848b | 7373 | TCGv_i64 fp0; |
a16336e4 | 7374 | |
c9297f4d AJ |
7375 | if (ft != 0) |
7376 | tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); | |
7377 | fp0 = tcg_temp_new_i64(); | |
7378 | gen_load_fpr64(ctx, fp0, fs); | |
7379 | gen_store_fpr64(ctx, fp0, fd); | |
7380 | tcg_temp_free_i64(fp0); | |
a16336e4 TS |
7381 | gen_set_label(l1); |
7382 | } | |
5a5012ec | 7383 | opn = "movz.ps"; |
6ea83fed | 7384 | break; |
bf4120ad | 7385 | case OPC_MOVN_PS: |
5e755519 | 7386 | check_cp1_64bitmode(ctx); |
a16336e4 TS |
7387 | { |
7388 | int l1 = gen_new_label(); | |
30a3848b | 7389 | TCGv_i64 fp0; |
c9297f4d AJ |
7390 | |
7391 | if (ft != 0) { | |
7392 | tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); | |
7393 | fp0 = tcg_temp_new_i64(); | |
7394 | gen_load_fpr64(ctx, fp0, fs); | |
7395 | gen_store_fpr64(ctx, fp0, fd); | |
7396 | tcg_temp_free_i64(fp0); | |
7397 | gen_set_label(l1); | |
7398 | } | |
a16336e4 | 7399 | } |
5a5012ec | 7400 | opn = "movn.ps"; |
6ea83fed | 7401 | break; |
bf4120ad | 7402 | case OPC_ADDR_PS: |
5e755519 | 7403 | check_cp1_64bitmode(ctx); |
b6d96bed | 7404 | { |
a7812ae4 PB |
7405 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7406 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7407 | |
7408 | gen_load_fpr64(ctx, fp0, ft); | |
7409 | gen_load_fpr64(ctx, fp1, fs); | |
a7812ae4 PB |
7410 | gen_helper_float_addr_ps(fp0, fp0, fp1); |
7411 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7412 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7413 | tcg_temp_free_i64(fp0); |
b6d96bed | 7414 | } |
fbcc6828 TS |
7415 | opn = "addr.ps"; |
7416 | break; | |
bf4120ad | 7417 | case OPC_MULR_PS: |
5e755519 | 7418 | check_cp1_64bitmode(ctx); |
b6d96bed | 7419 | { |
a7812ae4 PB |
7420 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7421 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7422 | |
7423 | gen_load_fpr64(ctx, fp0, ft); | |
7424 | gen_load_fpr64(ctx, fp1, fs); | |
a7812ae4 PB |
7425 | gen_helper_float_mulr_ps(fp0, fp0, fp1); |
7426 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7427 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7428 | tcg_temp_free_i64(fp0); |
b6d96bed | 7429 | } |
57fa1fb3 TS |
7430 | opn = "mulr.ps"; |
7431 | break; | |
bf4120ad | 7432 | case OPC_RECIP2_PS: |
5e755519 | 7433 | check_cp1_64bitmode(ctx); |
b6d96bed | 7434 | { |
a7812ae4 PB |
7435 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7436 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7437 | |
7438 | gen_load_fpr64(ctx, fp0, fs); | |
7439 | gen_load_fpr64(ctx, fp1, fd); | |
a7812ae4 PB |
7440 | gen_helper_float_recip2_ps(fp0, fp0, fp1); |
7441 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7442 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7443 | tcg_temp_free_i64(fp0); |
b6d96bed | 7444 | } |
57fa1fb3 TS |
7445 | opn = "recip2.ps"; |
7446 | break; | |
bf4120ad | 7447 | case OPC_RECIP1_PS: |
5e755519 | 7448 | check_cp1_64bitmode(ctx); |
b6d96bed | 7449 | { |
a7812ae4 | 7450 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7451 | |
7452 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7453 | gen_helper_float_recip1_ps(fp0, fp0); |
b6d96bed | 7454 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7455 | tcg_temp_free_i64(fp0); |
b6d96bed | 7456 | } |
57fa1fb3 TS |
7457 | opn = "recip1.ps"; |
7458 | break; | |
bf4120ad | 7459 | case OPC_RSQRT1_PS: |
5e755519 | 7460 | check_cp1_64bitmode(ctx); |
b6d96bed | 7461 | { |
a7812ae4 | 7462 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7463 | |
7464 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7465 | gen_helper_float_rsqrt1_ps(fp0, fp0); |
b6d96bed | 7466 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7467 | tcg_temp_free_i64(fp0); |
b6d96bed | 7468 | } |
57fa1fb3 TS |
7469 | opn = "rsqrt1.ps"; |
7470 | break; | |
bf4120ad | 7471 | case OPC_RSQRT2_PS: |
5e755519 | 7472 | check_cp1_64bitmode(ctx); |
b6d96bed | 7473 | { |
a7812ae4 PB |
7474 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7475 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
b6d96bed TS |
7476 | |
7477 | gen_load_fpr64(ctx, fp0, fs); | |
7478 | gen_load_fpr64(ctx, fp1, ft); | |
a7812ae4 PB |
7479 | gen_helper_float_rsqrt2_ps(fp0, fp0, fp1); |
7480 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7481 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7482 | tcg_temp_free_i64(fp0); |
b6d96bed | 7483 | } |
57fa1fb3 TS |
7484 | opn = "rsqrt2.ps"; |
7485 | break; | |
bf4120ad | 7486 | case OPC_CVT_S_PU: |
5e755519 | 7487 | check_cp1_64bitmode(ctx); |
b6d96bed | 7488 | { |
a7812ae4 | 7489 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
7490 | |
7491 | gen_load_fpr32h(fp0, fs); | |
a7812ae4 | 7492 | gen_helper_float_cvts_pu(fp0, fp0); |
b6d96bed | 7493 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 7494 | tcg_temp_free_i32(fp0); |
b6d96bed | 7495 | } |
5a5012ec | 7496 | opn = "cvt.s.pu"; |
dd016883 | 7497 | break; |
bf4120ad | 7498 | case OPC_CVT_PW_PS: |
5e755519 | 7499 | check_cp1_64bitmode(ctx); |
b6d96bed | 7500 | { |
a7812ae4 | 7501 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7502 | |
7503 | gen_load_fpr64(ctx, fp0, fs); | |
a7812ae4 | 7504 | gen_helper_float_cvtpw_ps(fp0, fp0); |
b6d96bed | 7505 | gen_store_fpr64(ctx, fp0, fd); |
a7812ae4 | 7506 | tcg_temp_free_i64(fp0); |
b6d96bed | 7507 | } |
5a5012ec | 7508 | opn = "cvt.pw.ps"; |
6ea83fed | 7509 | break; |
bf4120ad | 7510 | case OPC_CVT_S_PL: |
5e755519 | 7511 | check_cp1_64bitmode(ctx); |
b6d96bed | 7512 | { |
a7812ae4 | 7513 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed TS |
7514 | |
7515 | gen_load_fpr32(fp0, fs); | |
a7812ae4 | 7516 | gen_helper_float_cvts_pl(fp0, fp0); |
b6d96bed | 7517 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 7518 | tcg_temp_free_i32(fp0); |
b6d96bed | 7519 | } |
5a5012ec | 7520 | opn = "cvt.s.pl"; |
6ea83fed | 7521 | break; |
bf4120ad | 7522 | case OPC_PLL_PS: |
5e755519 | 7523 | check_cp1_64bitmode(ctx); |
b6d96bed | 7524 | { |
a7812ae4 PB |
7525 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7526 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
7527 | |
7528 | gen_load_fpr32(fp0, fs); | |
7529 | gen_load_fpr32(fp1, ft); | |
7530 | gen_store_fpr32h(fp0, fd); | |
7531 | gen_store_fpr32(fp1, fd); | |
a7812ae4 PB |
7532 | tcg_temp_free_i32(fp0); |
7533 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7534 | } |
5a5012ec | 7535 | opn = "pll.ps"; |
6ea83fed | 7536 | break; |
bf4120ad | 7537 | case OPC_PLU_PS: |
5e755519 | 7538 | check_cp1_64bitmode(ctx); |
b6d96bed | 7539 | { |
a7812ae4 PB |
7540 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7541 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
7542 | |
7543 | gen_load_fpr32(fp0, fs); | |
7544 | gen_load_fpr32h(fp1, ft); | |
7545 | gen_store_fpr32(fp1, fd); | |
7546 | gen_store_fpr32h(fp0, fd); | |
a7812ae4 PB |
7547 | tcg_temp_free_i32(fp0); |
7548 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7549 | } |
5a5012ec TS |
7550 | opn = "plu.ps"; |
7551 | break; | |
bf4120ad | 7552 | case OPC_PUL_PS: |
5e755519 | 7553 | check_cp1_64bitmode(ctx); |
b6d96bed | 7554 | { |
a7812ae4 PB |
7555 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7556 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
7557 | |
7558 | gen_load_fpr32h(fp0, fs); | |
7559 | gen_load_fpr32(fp1, ft); | |
7560 | gen_store_fpr32(fp1, fd); | |
7561 | gen_store_fpr32h(fp0, fd); | |
a7812ae4 PB |
7562 | tcg_temp_free_i32(fp0); |
7563 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7564 | } |
5a5012ec TS |
7565 | opn = "pul.ps"; |
7566 | break; | |
bf4120ad | 7567 | case OPC_PUU_PS: |
5e755519 | 7568 | check_cp1_64bitmode(ctx); |
b6d96bed | 7569 | { |
a7812ae4 PB |
7570 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7571 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
b6d96bed TS |
7572 | |
7573 | gen_load_fpr32h(fp0, fs); | |
7574 | gen_load_fpr32h(fp1, ft); | |
7575 | gen_store_fpr32(fp1, fd); | |
7576 | gen_store_fpr32h(fp0, fd); | |
a7812ae4 PB |
7577 | tcg_temp_free_i32(fp0); |
7578 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7579 | } |
5a5012ec TS |
7580 | opn = "puu.ps"; |
7581 | break; | |
bf4120ad NF |
7582 | case OPC_CMP_F_PS: |
7583 | case OPC_CMP_UN_PS: | |
7584 | case OPC_CMP_EQ_PS: | |
7585 | case OPC_CMP_UEQ_PS: | |
7586 | case OPC_CMP_OLT_PS: | |
7587 | case OPC_CMP_ULT_PS: | |
7588 | case OPC_CMP_OLE_PS: | |
7589 | case OPC_CMP_ULE_PS: | |
7590 | case OPC_CMP_SF_PS: | |
7591 | case OPC_CMP_NGLE_PS: | |
7592 | case OPC_CMP_SEQ_PS: | |
7593 | case OPC_CMP_NGL_PS: | |
7594 | case OPC_CMP_LT_PS: | |
7595 | case OPC_CMP_NGE_PS: | |
7596 | case OPC_CMP_LE_PS: | |
7597 | case OPC_CMP_NGT_PS: | |
8153667c NF |
7598 | if (ctx->opcode & (1 << 6)) { |
7599 | gen_cmpabs_ps(ctx, func-48, ft, fs, cc); | |
7600 | opn = condnames_abs[func-48]; | |
7601 | } else { | |
7602 | gen_cmp_ps(ctx, func-48, ft, fs, cc); | |
7603 | opn = condnames[func-48]; | |
5a1e8ffb | 7604 | } |
6ea83fed | 7605 | break; |
5a5012ec | 7606 | default: |
923617a3 | 7607 | MIPS_INVAL(opn); |
e397ee33 | 7608 | generate_exception (ctx, EXCP_RI); |
6ea83fed FB |
7609 | return; |
7610 | } | |
5a1e8ffb TS |
7611 | switch (optype) { |
7612 | case BINOP: | |
6ea83fed | 7613 | MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]); |
5a1e8ffb TS |
7614 | break; |
7615 | case CMPOP: | |
7616 | MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]); | |
7617 | break; | |
7618 | default: | |
6ea83fed | 7619 | MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]); |
5a1e8ffb TS |
7620 | break; |
7621 | } | |
6ea83fed | 7622 | } |
6af0bf9c | 7623 | |
5a5012ec | 7624 | /* Coprocessor 3 (FPU) */ |
5e755519 TS |
7625 | static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
7626 | int fd, int fs, int base, int index) | |
7a387fff | 7627 | { |
923617a3 | 7628 | const char *opn = "extended float load/store"; |
93b12ccc | 7629 | int store = 0; |
4e2474d6 | 7630 | TCGv t0 = tcg_temp_new(); |
7a387fff | 7631 | |
93b12ccc | 7632 | if (base == 0) { |
6c5c1e20 | 7633 | gen_load_gpr(t0, index); |
93b12ccc | 7634 | } else if (index == 0) { |
6c5c1e20 | 7635 | gen_load_gpr(t0, base); |
93b12ccc | 7636 | } else { |
e9203484 | 7637 | gen_load_gpr(t0, index); |
941694d0 | 7638 | gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
93b12ccc | 7639 | } |
5a5012ec | 7640 | /* Don't do NOP if destination is zero: we must perform the actual |
ead9360e | 7641 | memory access. */ |
4e2474d6 | 7642 | save_cpu_state(ctx, 0); |
5a5012ec TS |
7643 | switch (opc) { |
7644 | case OPC_LWXC1: | |
8c0ab41f | 7645 | check_cop1x(ctx); |
b6d96bed | 7646 | { |
a7812ae4 | 7647 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
b6d96bed | 7648 | |
585c88d5 AJ |
7649 | tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
7650 | tcg_gen_trunc_tl_i32(fp0, t0); | |
b6d96bed | 7651 | gen_store_fpr32(fp0, fd); |
a7812ae4 | 7652 | tcg_temp_free_i32(fp0); |
b6d96bed | 7653 | } |
5a5012ec TS |
7654 | opn = "lwxc1"; |
7655 | break; | |
7656 | case OPC_LDXC1: | |
8c0ab41f AJ |
7657 | check_cop1x(ctx); |
7658 | check_cp1_registers(ctx, fd); | |
b6d96bed | 7659 | { |
a7812ae4 | 7660 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7661 | |
7662 | tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); | |
7663 | gen_store_fpr64(ctx, fp0, fd); | |
a7812ae4 | 7664 | tcg_temp_free_i64(fp0); |
b6d96bed | 7665 | } |
5a5012ec TS |
7666 | opn = "ldxc1"; |
7667 | break; | |
7668 | case OPC_LUXC1: | |
8c0ab41f | 7669 | check_cp1_64bitmode(ctx); |
6c5c1e20 | 7670 | tcg_gen_andi_tl(t0, t0, ~0x7); |
b6d96bed | 7671 | { |
a7812ae4 | 7672 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7673 | |
7674 | tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); | |
7675 | gen_store_fpr64(ctx, fp0, fd); | |
a7812ae4 | 7676 | tcg_temp_free_i64(fp0); |
b6d96bed | 7677 | } |
5a5012ec TS |
7678 | opn = "luxc1"; |
7679 | break; | |
7680 | case OPC_SWXC1: | |
8c0ab41f | 7681 | check_cop1x(ctx); |
b6d96bed | 7682 | { |
a7812ae4 | 7683 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
585c88d5 | 7684 | TCGv t1 = tcg_temp_new(); |
b6d96bed TS |
7685 | |
7686 | gen_load_fpr32(fp0, fs); | |
a7812ae4 PB |
7687 | tcg_gen_extu_i32_tl(t1, fp0); |
7688 | tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); | |
7689 | tcg_temp_free_i32(fp0); | |
a6035857 | 7690 | tcg_temp_free(t1); |
b6d96bed | 7691 | } |
5a5012ec | 7692 | opn = "swxc1"; |
93b12ccc | 7693 | store = 1; |
5a5012ec TS |
7694 | break; |
7695 | case OPC_SDXC1: | |
8c0ab41f AJ |
7696 | check_cop1x(ctx); |
7697 | check_cp1_registers(ctx, fs); | |
b6d96bed | 7698 | { |
a7812ae4 | 7699 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7700 | |
7701 | gen_load_fpr64(ctx, fp0, fs); | |
7702 | tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); | |
a7812ae4 | 7703 | tcg_temp_free_i64(fp0); |
b6d96bed | 7704 | } |
5a5012ec | 7705 | opn = "sdxc1"; |
93b12ccc | 7706 | store = 1; |
5a5012ec TS |
7707 | break; |
7708 | case OPC_SUXC1: | |
8c0ab41f | 7709 | check_cp1_64bitmode(ctx); |
6c5c1e20 | 7710 | tcg_gen_andi_tl(t0, t0, ~0x7); |
b6d96bed | 7711 | { |
a7812ae4 | 7712 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
b6d96bed TS |
7713 | |
7714 | gen_load_fpr64(ctx, fp0, fs); | |
7715 | tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); | |
a7812ae4 | 7716 | tcg_temp_free_i64(fp0); |
b6d96bed | 7717 | } |
5a5012ec | 7718 | opn = "suxc1"; |
93b12ccc | 7719 | store = 1; |
5a5012ec | 7720 | break; |
5a5012ec | 7721 | } |
6c5c1e20 | 7722 | tcg_temp_free(t0); |
93b12ccc TS |
7723 | MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd], |
7724 | regnames[index], regnames[base]); | |
5a5012ec TS |
7725 | } |
7726 | ||
5e755519 TS |
7727 | static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
7728 | int fd, int fr, int fs, int ft) | |
5a5012ec | 7729 | { |
923617a3 | 7730 | const char *opn = "flt3_arith"; |
5a5012ec | 7731 | |
5a5012ec TS |
7732 | switch (opc) { |
7733 | case OPC_ALNV_PS: | |
b8aa4598 | 7734 | check_cp1_64bitmode(ctx); |
a16336e4 | 7735 | { |
a7812ae4 | 7736 | TCGv t0 = tcg_temp_local_new(); |
c905fdac AJ |
7737 | TCGv_i32 fp = tcg_temp_new_i32(); |
7738 | TCGv_i32 fph = tcg_temp_new_i32(); | |
a16336e4 TS |
7739 | int l1 = gen_new_label(); |
7740 | int l2 = gen_new_label(); | |
7741 | ||
6c5c1e20 TS |
7742 | gen_load_gpr(t0, fr); |
7743 | tcg_gen_andi_tl(t0, t0, 0x7); | |
6c5c1e20 TS |
7744 | |
7745 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); | |
c905fdac AJ |
7746 | gen_load_fpr32(fp, fs); |
7747 | gen_load_fpr32h(fph, fs); | |
7748 | gen_store_fpr32(fp, fd); | |
7749 | gen_store_fpr32h(fph, fd); | |
a16336e4 TS |
7750 | tcg_gen_br(l2); |
7751 | gen_set_label(l1); | |
6c5c1e20 TS |
7752 | tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2); |
7753 | tcg_temp_free(t0); | |
a16336e4 | 7754 | #ifdef TARGET_WORDS_BIGENDIAN |
c905fdac AJ |
7755 | gen_load_fpr32(fp, fs); |
7756 | gen_load_fpr32h(fph, ft); | |
7757 | gen_store_fpr32h(fp, fd); | |
7758 | gen_store_fpr32(fph, fd); | |
a16336e4 | 7759 | #else |
c905fdac AJ |
7760 | gen_load_fpr32h(fph, fs); |
7761 | gen_load_fpr32(fp, ft); | |
7762 | gen_store_fpr32(fph, fd); | |
7763 | gen_store_fpr32h(fp, fd); | |
a16336e4 TS |
7764 | #endif |
7765 | gen_set_label(l2); | |
c905fdac AJ |
7766 | tcg_temp_free_i32(fp); |
7767 | tcg_temp_free_i32(fph); | |
a16336e4 | 7768 | } |
5a5012ec TS |
7769 | opn = "alnv.ps"; |
7770 | break; | |
7771 | case OPC_MADD_S: | |
b8aa4598 | 7772 | check_cop1x(ctx); |
b6d96bed | 7773 | { |
a7812ae4 PB |
7774 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7775 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
7776 | TCGv_i32 fp2 = tcg_temp_new_i32(); | |
b6d96bed TS |
7777 | |
7778 | gen_load_fpr32(fp0, fs); | |
7779 | gen_load_fpr32(fp1, ft); | |
7780 | gen_load_fpr32(fp2, fr); | |
a7812ae4 PB |
7781 | gen_helper_float_muladd_s(fp2, fp0, fp1, fp2); |
7782 | tcg_temp_free_i32(fp0); | |
7783 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7784 | gen_store_fpr32(fp2, fd); |
a7812ae4 | 7785 | tcg_temp_free_i32(fp2); |
b6d96bed | 7786 | } |
5a5012ec TS |
7787 | opn = "madd.s"; |
7788 | break; | |
7789 | case OPC_MADD_D: | |
b8aa4598 TS |
7790 | check_cop1x(ctx); |
7791 | check_cp1_registers(ctx, fd | fs | ft | fr); | |
b6d96bed | 7792 | { |
a7812ae4 PB |
7793 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7794 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7795 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7796 | |
7797 | gen_load_fpr64(ctx, fp0, fs); | |
7798 | gen_load_fpr64(ctx, fp1, ft); | |
7799 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7800 | gen_helper_float_muladd_d(fp2, fp0, fp1, fp2); |
7801 | tcg_temp_free_i64(fp0); | |
7802 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7803 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7804 | tcg_temp_free_i64(fp2); |
b6d96bed | 7805 | } |
5a5012ec TS |
7806 | opn = "madd.d"; |
7807 | break; | |
7808 | case OPC_MADD_PS: | |
b8aa4598 | 7809 | check_cp1_64bitmode(ctx); |
b6d96bed | 7810 | { |
a7812ae4 PB |
7811 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7812 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7813 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7814 | |
7815 | gen_load_fpr64(ctx, fp0, fs); | |
7816 | gen_load_fpr64(ctx, fp1, ft); | |
7817 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7818 | gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2); |
7819 | tcg_temp_free_i64(fp0); | |
7820 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7821 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7822 | tcg_temp_free_i64(fp2); |
b6d96bed | 7823 | } |
5a5012ec TS |
7824 | opn = "madd.ps"; |
7825 | break; | |
7826 | case OPC_MSUB_S: | |
b8aa4598 | 7827 | check_cop1x(ctx); |
b6d96bed | 7828 | { |
a7812ae4 PB |
7829 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7830 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
7831 | TCGv_i32 fp2 = tcg_temp_new_i32(); | |
b6d96bed TS |
7832 | |
7833 | gen_load_fpr32(fp0, fs); | |
7834 | gen_load_fpr32(fp1, ft); | |
7835 | gen_load_fpr32(fp2, fr); | |
a7812ae4 PB |
7836 | gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2); |
7837 | tcg_temp_free_i32(fp0); | |
7838 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7839 | gen_store_fpr32(fp2, fd); |
a7812ae4 | 7840 | tcg_temp_free_i32(fp2); |
b6d96bed | 7841 | } |
5a5012ec TS |
7842 | opn = "msub.s"; |
7843 | break; | |
7844 | case OPC_MSUB_D: | |
b8aa4598 TS |
7845 | check_cop1x(ctx); |
7846 | check_cp1_registers(ctx, fd | fs | ft | fr); | |
b6d96bed | 7847 | { |
a7812ae4 PB |
7848 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7849 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7850 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7851 | |
7852 | gen_load_fpr64(ctx, fp0, fs); | |
7853 | gen_load_fpr64(ctx, fp1, ft); | |
7854 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7855 | gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2); |
7856 | tcg_temp_free_i64(fp0); | |
7857 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7858 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7859 | tcg_temp_free_i64(fp2); |
b6d96bed | 7860 | } |
5a5012ec TS |
7861 | opn = "msub.d"; |
7862 | break; | |
7863 | case OPC_MSUB_PS: | |
b8aa4598 | 7864 | check_cp1_64bitmode(ctx); |
b6d96bed | 7865 | { |
a7812ae4 PB |
7866 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7867 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7868 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7869 | |
7870 | gen_load_fpr64(ctx, fp0, fs); | |
7871 | gen_load_fpr64(ctx, fp1, ft); | |
7872 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7873 | gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2); |
7874 | tcg_temp_free_i64(fp0); | |
7875 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7876 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7877 | tcg_temp_free_i64(fp2); |
b6d96bed | 7878 | } |
5a5012ec TS |
7879 | opn = "msub.ps"; |
7880 | break; | |
7881 | case OPC_NMADD_S: | |
b8aa4598 | 7882 | check_cop1x(ctx); |
b6d96bed | 7883 | { |
a7812ae4 PB |
7884 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7885 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
7886 | TCGv_i32 fp2 = tcg_temp_new_i32(); | |
b6d96bed TS |
7887 | |
7888 | gen_load_fpr32(fp0, fs); | |
7889 | gen_load_fpr32(fp1, ft); | |
7890 | gen_load_fpr32(fp2, fr); | |
a7812ae4 PB |
7891 | gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2); |
7892 | tcg_temp_free_i32(fp0); | |
7893 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7894 | gen_store_fpr32(fp2, fd); |
a7812ae4 | 7895 | tcg_temp_free_i32(fp2); |
b6d96bed | 7896 | } |
5a5012ec TS |
7897 | opn = "nmadd.s"; |
7898 | break; | |
7899 | case OPC_NMADD_D: | |
b8aa4598 TS |
7900 | check_cop1x(ctx); |
7901 | check_cp1_registers(ctx, fd | fs | ft | fr); | |
b6d96bed | 7902 | { |
a7812ae4 PB |
7903 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7904 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7905 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7906 | |
7907 | gen_load_fpr64(ctx, fp0, fs); | |
7908 | gen_load_fpr64(ctx, fp1, ft); | |
7909 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7910 | gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2); |
7911 | tcg_temp_free_i64(fp0); | |
7912 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7913 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7914 | tcg_temp_free_i64(fp2); |
b6d96bed | 7915 | } |
5a5012ec TS |
7916 | opn = "nmadd.d"; |
7917 | break; | |
7918 | case OPC_NMADD_PS: | |
b8aa4598 | 7919 | check_cp1_64bitmode(ctx); |
b6d96bed | 7920 | { |
a7812ae4 PB |
7921 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7922 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7923 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7924 | |
7925 | gen_load_fpr64(ctx, fp0, fs); | |
7926 | gen_load_fpr64(ctx, fp1, ft); | |
7927 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7928 | gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2); |
7929 | tcg_temp_free_i64(fp0); | |
7930 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7931 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7932 | tcg_temp_free_i64(fp2); |
b6d96bed | 7933 | } |
5a5012ec TS |
7934 | opn = "nmadd.ps"; |
7935 | break; | |
7936 | case OPC_NMSUB_S: | |
b8aa4598 | 7937 | check_cop1x(ctx); |
b6d96bed | 7938 | { |
a7812ae4 PB |
7939 | TCGv_i32 fp0 = tcg_temp_new_i32(); |
7940 | TCGv_i32 fp1 = tcg_temp_new_i32(); | |
7941 | TCGv_i32 fp2 = tcg_temp_new_i32(); | |
b6d96bed TS |
7942 | |
7943 | gen_load_fpr32(fp0, fs); | |
7944 | gen_load_fpr32(fp1, ft); | |
7945 | gen_load_fpr32(fp2, fr); | |
a7812ae4 PB |
7946 | gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2); |
7947 | tcg_temp_free_i32(fp0); | |
7948 | tcg_temp_free_i32(fp1); | |
b6d96bed | 7949 | gen_store_fpr32(fp2, fd); |
a7812ae4 | 7950 | tcg_temp_free_i32(fp2); |
b6d96bed | 7951 | } |
5a5012ec TS |
7952 | opn = "nmsub.s"; |
7953 | break; | |
7954 | case OPC_NMSUB_D: | |
b8aa4598 TS |
7955 | check_cop1x(ctx); |
7956 | check_cp1_registers(ctx, fd | fs | ft | fr); | |
b6d96bed | 7957 | { |
a7812ae4 PB |
7958 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7959 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7960 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7961 | |
7962 | gen_load_fpr64(ctx, fp0, fs); | |
7963 | gen_load_fpr64(ctx, fp1, ft); | |
7964 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7965 | gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2); |
7966 | tcg_temp_free_i64(fp0); | |
7967 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7968 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7969 | tcg_temp_free_i64(fp2); |
b6d96bed | 7970 | } |
5a5012ec TS |
7971 | opn = "nmsub.d"; |
7972 | break; | |
7973 | case OPC_NMSUB_PS: | |
b8aa4598 | 7974 | check_cp1_64bitmode(ctx); |
b6d96bed | 7975 | { |
a7812ae4 PB |
7976 | TCGv_i64 fp0 = tcg_temp_new_i64(); |
7977 | TCGv_i64 fp1 = tcg_temp_new_i64(); | |
7978 | TCGv_i64 fp2 = tcg_temp_new_i64(); | |
b6d96bed TS |
7979 | |
7980 | gen_load_fpr64(ctx, fp0, fs); | |
7981 | gen_load_fpr64(ctx, fp1, ft); | |
7982 | gen_load_fpr64(ctx, fp2, fr); | |
a7812ae4 PB |
7983 | gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2); |
7984 | tcg_temp_free_i64(fp0); | |
7985 | tcg_temp_free_i64(fp1); | |
b6d96bed | 7986 | gen_store_fpr64(ctx, fp2, fd); |
a7812ae4 | 7987 | tcg_temp_free_i64(fp2); |
b6d96bed | 7988 | } |
5a5012ec TS |
7989 | opn = "nmsub.ps"; |
7990 | break; | |
923617a3 TS |
7991 | default: |
7992 | MIPS_INVAL(opn); | |
5a5012ec TS |
7993 | generate_exception (ctx, EXCP_RI); |
7994 | return; | |
7995 | } | |
7996 | MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr], | |
7997 | fregnames[fs], fregnames[ft]); | |
7a387fff TS |
7998 | } |
7999 | ||
26ebe468 NF |
8000 | static void |
8001 | gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd) | |
8002 | { | |
8003 | TCGv t0; | |
8004 | ||
8005 | check_insn(env, ctx, ISA_MIPS32R2); | |
8006 | t0 = tcg_temp_new(); | |
8007 | ||
8008 | switch (rd) { | |
8009 | case 0: | |
8010 | save_cpu_state(ctx, 1); | |
8011 | gen_helper_rdhwr_cpunum(t0); | |
8012 | gen_store_gpr(t0, rt); | |
8013 | break; | |
8014 | case 1: | |
8015 | save_cpu_state(ctx, 1); | |
8016 | gen_helper_rdhwr_synci_step(t0); | |
8017 | gen_store_gpr(t0, rt); | |
8018 | break; | |
8019 | case 2: | |
8020 | save_cpu_state(ctx, 1); | |
8021 | gen_helper_rdhwr_cc(t0); | |
8022 | gen_store_gpr(t0, rt); | |
8023 | break; | |
8024 | case 3: | |
8025 | save_cpu_state(ctx, 1); | |
8026 | gen_helper_rdhwr_ccres(t0); | |
8027 | gen_store_gpr(t0, rt); | |
8028 | break; | |
8029 | case 29: | |
8030 | #if defined(CONFIG_USER_ONLY) | |
8031 | tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); | |
8032 | gen_store_gpr(t0, rt); | |
8033 | break; | |
8034 | #else | |
8035 | /* XXX: Some CPUs implement this in hardware. | |
8036 | Not supported yet. */ | |
8037 | #endif | |
8038 | default: /* Invalid */ | |
8039 | MIPS_INVAL("rdhwr"); | |
8040 | generate_exception(ctx, EXCP_RI); | |
8041 | break; | |
8042 | } | |
8043 | tcg_temp_free(t0); | |
8044 | } | |
8045 | ||
c9602061 NF |
8046 | static void handle_delay_slot (CPUState *env, DisasContext *ctx, |
8047 | int insn_bytes) | |
8048 | { | |
8049 | if (ctx->hflags & MIPS_HFLAG_BMASK) { | |
364d4831 | 8050 | int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK; |
c9602061 NF |
8051 | /* Branches completion */ |
8052 | ctx->hflags &= ~MIPS_HFLAG_BMASK; | |
8053 | ctx->bstate = BS_BRANCH; | |
8054 | save_cpu_state(ctx, 0); | |
8055 | /* FIXME: Need to clear can_do_io. */ | |
364d4831 | 8056 | switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) { |
c9602061 NF |
8057 | case MIPS_HFLAG_B: |
8058 | /* unconditional branch */ | |
8059 | MIPS_DEBUG("unconditional branch"); | |
364d4831 NF |
8060 | if (proc_hflags & MIPS_HFLAG_BX) { |
8061 | tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); | |
8062 | } | |
c9602061 NF |
8063 | gen_goto_tb(ctx, 0, ctx->btarget); |
8064 | break; | |
8065 | case MIPS_HFLAG_BL: | |
8066 | /* blikely taken case */ | |
8067 | MIPS_DEBUG("blikely branch taken"); | |
8068 | gen_goto_tb(ctx, 0, ctx->btarget); | |
8069 | break; | |
8070 | case MIPS_HFLAG_BC: | |
8071 | /* Conditional branch */ | |
8072 | MIPS_DEBUG("conditional branch"); | |
8073 | { | |
8074 | int l1 = gen_new_label(); | |
8075 | ||
8076 | tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); | |
8077 | gen_goto_tb(ctx, 1, ctx->pc + insn_bytes); | |
8078 | gen_set_label(l1); | |
8079 | gen_goto_tb(ctx, 0, ctx->btarget); | |
8080 | } | |
8081 | break; | |
8082 | case MIPS_HFLAG_BR: | |
8083 | /* unconditional branch to register */ | |
8084 | MIPS_DEBUG("branch to register"); | |
3c824109 | 8085 | if (env->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) { |
364d4831 NF |
8086 | TCGv t0 = tcg_temp_new(); |
8087 | TCGv_i32 t1 = tcg_temp_new_i32(); | |
8088 | ||
8089 | tcg_gen_andi_tl(t0, btarget, 0x1); | |
8090 | tcg_gen_trunc_tl_i32(t1, t0); | |
8091 | tcg_temp_free(t0); | |
8092 | tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); | |
8093 | tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); | |
8094 | tcg_gen_or_i32(hflags, hflags, t1); | |
8095 | tcg_temp_free_i32(t1); | |
8096 | ||
8097 | tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1); | |
8098 | } else { | |
8099 | tcg_gen_mov_tl(cpu_PC, btarget); | |
8100 | } | |
c9602061 NF |
8101 | if (ctx->singlestep_enabled) { |
8102 | save_cpu_state(ctx, 0); | |
8103 | gen_helper_0i(raise_exception, EXCP_DEBUG); | |
8104 | } | |
8105 | tcg_gen_exit_tb(0); | |
8106 | break; | |
8107 | default: | |
8108 | MIPS_DEBUG("unknown branch"); | |
8109 | break; | |
8110 | } | |
8111 | } | |
8112 | } | |
8113 | ||
7a387fff | 8114 | /* ISA extensions (ASEs) */ |
6af0bf9c | 8115 | /* MIPS16 extension to MIPS32 */ |
6ea219d0 NF |
8116 | |
8117 | /* MIPS16 major opcodes */ | |
8118 | enum { | |
8119 | M16_OPC_ADDIUSP = 0x00, | |
8120 | M16_OPC_ADDIUPC = 0x01, | |
8121 | M16_OPC_B = 0x02, | |
8122 | M16_OPC_JAL = 0x03, | |
8123 | M16_OPC_BEQZ = 0x04, | |
8124 | M16_OPC_BNEQZ = 0x05, | |
8125 | M16_OPC_SHIFT = 0x06, | |
8126 | M16_OPC_LD = 0x07, | |
8127 | M16_OPC_RRIA = 0x08, | |
8128 | M16_OPC_ADDIU8 = 0x09, | |
8129 | M16_OPC_SLTI = 0x0a, | |
8130 | M16_OPC_SLTIU = 0x0b, | |
8131 | M16_OPC_I8 = 0x0c, | |
8132 | M16_OPC_LI = 0x0d, | |
8133 | M16_OPC_CMPI = 0x0e, | |
8134 | M16_OPC_SD = 0x0f, | |
8135 | M16_OPC_LB = 0x10, | |
8136 | M16_OPC_LH = 0x11, | |
8137 | M16_OPC_LWSP = 0x12, | |
8138 | M16_OPC_LW = 0x13, | |
8139 | M16_OPC_LBU = 0x14, | |
8140 | M16_OPC_LHU = 0x15, | |
8141 | M16_OPC_LWPC = 0x16, | |
8142 | M16_OPC_LWU = 0x17, | |
8143 | M16_OPC_SB = 0x18, | |
8144 | M16_OPC_SH = 0x19, | |
8145 | M16_OPC_SWSP = 0x1a, | |
8146 | M16_OPC_SW = 0x1b, | |
8147 | M16_OPC_RRR = 0x1c, | |
8148 | M16_OPC_RR = 0x1d, | |
8149 | M16_OPC_EXTEND = 0x1e, | |
8150 | M16_OPC_I64 = 0x1f | |
8151 | }; | |
8152 | ||
8153 | /* I8 funct field */ | |
8154 | enum { | |
8155 | I8_BTEQZ = 0x0, | |
8156 | I8_BTNEZ = 0x1, | |
8157 | I8_SWRASP = 0x2, | |
8158 | I8_ADJSP = 0x3, | |
8159 | I8_SVRS = 0x4, | |
8160 | I8_MOV32R = 0x5, | |
8161 | I8_MOVR32 = 0x7 | |
8162 | }; | |
8163 | ||
8164 | /* RRR f field */ | |
8165 | enum { | |
8166 | RRR_DADDU = 0x0, | |
8167 | RRR_ADDU = 0x1, | |
8168 | RRR_DSUBU = 0x2, | |
8169 | RRR_SUBU = 0x3 | |
8170 | }; | |
8171 | ||
8172 | /* RR funct field */ | |
8173 | enum { | |
8174 | RR_JR = 0x00, | |
8175 | RR_SDBBP = 0x01, | |
8176 | RR_SLT = 0x02, | |
8177 | RR_SLTU = 0x03, | |
8178 | RR_SLLV = 0x04, | |
8179 | RR_BREAK = 0x05, | |
8180 | RR_SRLV = 0x06, | |
8181 | RR_SRAV = 0x07, | |
8182 | RR_DSRL = 0x08, | |
8183 | RR_CMP = 0x0a, | |
8184 | RR_NEG = 0x0b, | |
8185 | RR_AND = 0x0c, | |
8186 | RR_OR = 0x0d, | |
8187 | RR_XOR = 0x0e, | |
8188 | RR_NOT = 0x0f, | |
8189 | RR_MFHI = 0x10, | |
8190 | RR_CNVT = 0x11, | |
8191 | RR_MFLO = 0x12, | |
8192 | RR_DSRA = 0x13, | |
8193 | RR_DSLLV = 0x14, | |
8194 | RR_DSRLV = 0x16, | |
8195 | RR_DSRAV = 0x17, | |
8196 | RR_MULT = 0x18, | |
8197 | RR_MULTU = 0x19, | |
8198 | RR_DIV = 0x1a, | |
8199 | RR_DIVU = 0x1b, | |
8200 | RR_DMULT = 0x1c, | |
8201 | RR_DMULTU = 0x1d, | |
8202 | RR_DDIV = 0x1e, | |
8203 | RR_DDIVU = 0x1f | |
8204 | }; | |
8205 | ||
8206 | /* I64 funct field */ | |
8207 | enum { | |
8208 | I64_LDSP = 0x0, | |
8209 | I64_SDSP = 0x1, | |
8210 | I64_SDRASP = 0x2, | |
8211 | I64_DADJSP = 0x3, | |
8212 | I64_LDPC = 0x4, | |
364d4831 | 8213 | I64_DADDIU5 = 0x5, |
6ea219d0 NF |
8214 | I64_DADDIUPC = 0x6, |
8215 | I64_DADDIUSP = 0x7 | |
8216 | }; | |
8217 | ||
8218 | /* RR ry field for CNVT */ | |
8219 | enum { | |
8220 | RR_RY_CNVT_ZEB = 0x0, | |
8221 | RR_RY_CNVT_ZEH = 0x1, | |
8222 | RR_RY_CNVT_ZEW = 0x2, | |
8223 | RR_RY_CNVT_SEB = 0x4, | |
8224 | RR_RY_CNVT_SEH = 0x5, | |
8225 | RR_RY_CNVT_SEW = 0x6, | |
8226 | }; | |
8227 | ||
364d4831 NF |
8228 | static int xlat (int r) |
8229 | { | |
8230 | static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; | |
8231 | ||
8232 | return map[r]; | |
8233 | } | |
8234 | ||
8235 | static void gen_mips16_save (DisasContext *ctx, | |
8236 | int xsregs, int aregs, | |
8237 | int do_ra, int do_s0, int do_s1, | |
8238 | int framesize) | |
8239 | { | |
8240 | TCGv t0 = tcg_temp_new(); | |
8241 | TCGv t1 = tcg_temp_new(); | |
8242 | int args, astatic; | |
8243 | ||
8244 | switch (aregs) { | |
8245 | case 0: | |
8246 | case 1: | |
8247 | case 2: | |
8248 | case 3: | |
8249 | case 11: | |
8250 | args = 0; | |
8251 | break; | |
8252 | case 4: | |
8253 | case 5: | |
8254 | case 6: | |
8255 | case 7: | |
8256 | args = 1; | |
8257 | break; | |
8258 | case 8: | |
8259 | case 9: | |
8260 | case 10: | |
8261 | args = 2; | |
8262 | break; | |
8263 | case 12: | |
8264 | case 13: | |
8265 | args = 3; | |
8266 | break; | |
8267 | case 14: | |
8268 | args = 4; | |
8269 | break; | |
8270 | default: | |
8271 | generate_exception(ctx, EXCP_RI); | |
8272 | return; | |
8273 | } | |
8274 | ||
8275 | switch (args) { | |
8276 | case 4: | |
8277 | gen_base_offset_addr(ctx, t0, 29, 12); | |
8278 | gen_load_gpr(t1, 7); | |
5c13fdfd | 8279 | op_st_sw(t1, t0, ctx); |
364d4831 NF |
8280 | /* Fall through */ |
8281 | case 3: | |
8282 | gen_base_offset_addr(ctx, t0, 29, 8); | |
8283 | gen_load_gpr(t1, 6); | |
5c13fdfd | 8284 | op_st_sw(t1, t0, ctx); |
364d4831 NF |
8285 | /* Fall through */ |
8286 | case 2: | |
8287 | gen_base_offset_addr(ctx, t0, 29, 4); | |
8288 | gen_load_gpr(t1, 5); | |
5c13fdfd | 8289 | op_st_sw(t1, t0, ctx); |
364d4831 NF |
8290 | /* Fall through */ |
8291 | case 1: | |
8292 | gen_base_offset_addr(ctx, t0, 29, 0); | |
8293 | gen_load_gpr(t1, 4); | |
5c13fdfd | 8294 | op_st_sw(t1, t0, ctx); |
364d4831 NF |
8295 | } |
8296 | ||
8297 | gen_load_gpr(t0, 29); | |
8298 | ||
8299 | #define DECR_AND_STORE(reg) do { \ | |
8300 | tcg_gen_subi_tl(t0, t0, 4); \ | |
8301 | gen_load_gpr(t1, reg); \ | |
5c13fdfd | 8302 | op_st_sw(t1, t0, ctx); \ |
364d4831 NF |
8303 | } while (0) |
8304 | ||
8305 | if (do_ra) { | |
8306 | DECR_AND_STORE(31); | |
8307 | } | |
8308 | ||
8309 | switch (xsregs) { | |
8310 | case 7: | |
8311 | DECR_AND_STORE(30); | |
8312 | /* Fall through */ | |
8313 | case 6: | |
8314 | DECR_AND_STORE(23); | |
8315 | /* Fall through */ | |
8316 | case 5: | |
8317 | DECR_AND_STORE(22); | |
8318 | /* Fall through */ | |
8319 | case 4: | |
8320 | DECR_AND_STORE(21); | |
8321 | /* Fall through */ | |
8322 | case 3: | |
8323 | DECR_AND_STORE(20); | |
8324 | /* Fall through */ | |
8325 | case 2: | |
8326 | DECR_AND_STORE(19); | |
8327 | /* Fall through */ | |
8328 | case 1: | |
8329 | DECR_AND_STORE(18); | |
8330 | } | |
8331 | ||
8332 | if (do_s1) { | |
8333 | DECR_AND_STORE(17); | |
8334 | } | |
8335 | if (do_s0) { | |
8336 | DECR_AND_STORE(16); | |
8337 | } | |
8338 | ||
8339 | switch (aregs) { | |
8340 | case 0: | |
8341 | case 4: | |
8342 | case 8: | |
8343 | case 12: | |
8344 | case 14: | |
8345 | astatic = 0; | |
8346 | break; | |
8347 | case 1: | |
8348 | case 5: | |
8349 | case 9: | |
8350 | case 13: | |
8351 | astatic = 1; | |
8352 | break; | |
8353 | case 2: | |
8354 | case 6: | |
8355 | case 10: | |
8356 | astatic = 2; | |
8357 | break; | |
8358 | case 3: | |
8359 | case 7: | |
8360 | astatic = 3; | |
8361 | break; | |
8362 | case 11: | |
8363 | astatic = 4; | |
8364 | break; | |
8365 | default: | |
8366 | generate_exception(ctx, EXCP_RI); | |
8367 | return; | |
8368 | } | |
8369 | ||
8370 | if (astatic > 0) { | |
8371 | DECR_AND_STORE(7); | |
8372 | if (astatic > 1) { | |
8373 | DECR_AND_STORE(6); | |
8374 | if (astatic > 2) { | |
8375 | DECR_AND_STORE(5); | |
8376 | if (astatic > 3) { | |
8377 | DECR_AND_STORE(4); | |
8378 | } | |
8379 | } | |
8380 | } | |
8381 | } | |
8382 | #undef DECR_AND_STORE | |
8383 | ||
8384 | tcg_gen_subi_tl(cpu_gpr[29], cpu_gpr[29], framesize); | |
8385 | tcg_temp_free(t0); | |
8386 | tcg_temp_free(t1); | |
8387 | } | |
8388 | ||
8389 | static void gen_mips16_restore (DisasContext *ctx, | |
8390 | int xsregs, int aregs, | |
8391 | int do_ra, int do_s0, int do_s1, | |
8392 | int framesize) | |
8393 | { | |
8394 | int astatic; | |
8395 | TCGv t0 = tcg_temp_new(); | |
8396 | TCGv t1 = tcg_temp_new(); | |
8397 | ||
8398 | tcg_gen_addi_tl(t0, cpu_gpr[29], framesize); | |
8399 | ||
8400 | #define DECR_AND_LOAD(reg) do { \ | |
8401 | tcg_gen_subi_tl(t0, t0, 4); \ | |
5c13fdfd | 8402 | op_ld_lw(t1, t0, ctx); \ |
364d4831 NF |
8403 | gen_store_gpr(t1, reg); \ |
8404 | } while (0) | |
8405 | ||
8406 | if (do_ra) { | |
8407 | DECR_AND_LOAD(31); | |
8408 | } | |
8409 | ||
8410 | switch (xsregs) { | |
8411 | case 7: | |
8412 | DECR_AND_LOAD(30); | |
8413 | /* Fall through */ | |
8414 | case 6: | |
8415 | DECR_AND_LOAD(23); | |
8416 | /* Fall through */ | |
8417 | case 5: | |
8418 | DECR_AND_LOAD(22); | |
8419 | /* Fall through */ | |
8420 | case 4: | |
8421 | DECR_AND_LOAD(21); | |
8422 | /* Fall through */ | |
8423 | case 3: | |
8424 | DECR_AND_LOAD(20); | |
8425 | /* Fall through */ | |
8426 | case 2: | |
8427 | DECR_AND_LOAD(19); | |
8428 | /* Fall through */ | |
8429 | case 1: | |
8430 | DECR_AND_LOAD(18); | |
8431 | } | |
8432 | ||
8433 | if (do_s1) { | |
8434 | DECR_AND_LOAD(17); | |
8435 | } | |
8436 | if (do_s0) { | |
8437 | DECR_AND_LOAD(16); | |
8438 | } | |
8439 | ||
8440 | switch (aregs) { | |
8441 | case 0: | |
8442 | case 4: | |
8443 | case 8: | |
8444 | case 12: | |
8445 | case 14: | |
8446 | astatic = 0; | |
8447 | break; | |
8448 | case 1: | |
8449 | case 5: | |
8450 | case 9: | |
8451 | case 13: | |
8452 | astatic = 1; | |
8453 | break; | |
8454 | case 2: | |
8455 | case 6: | |
8456 | case 10: | |
8457 | astatic = 2; | |
8458 | break; | |
8459 | case 3: | |
8460 | case 7: | |
8461 | astatic = 3; | |
8462 | break; | |
8463 | case 11: | |
8464 | astatic = 4; | |
8465 | break; | |
8466 | default: | |
8467 | generate_exception(ctx, EXCP_RI); | |
8468 | return; | |
8469 | } | |
8470 | ||
8471 | if (astatic > 0) { | |
8472 | DECR_AND_LOAD(7); | |
8473 | if (astatic > 1) { | |
8474 | DECR_AND_LOAD(6); | |
8475 | if (astatic > 2) { | |
8476 | DECR_AND_LOAD(5); | |
8477 | if (astatic > 3) { | |
8478 | DECR_AND_LOAD(4); | |
8479 | } | |
8480 | } | |
8481 | } | |
8482 | } | |
8483 | #undef DECR_AND_LOAD | |
8484 | ||
8485 | tcg_gen_addi_tl(cpu_gpr[29], cpu_gpr[29], framesize); | |
8486 | tcg_temp_free(t0); | |
8487 | tcg_temp_free(t1); | |
8488 | } | |
8489 | ||
8490 | static void gen_addiupc (DisasContext *ctx, int rx, int imm, | |
8491 | int is_64_bit, int extended) | |
8492 | { | |
8493 | TCGv t0; | |
8494 | ||
8495 | if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { | |
8496 | generate_exception(ctx, EXCP_RI); | |
8497 | return; | |
8498 | } | |
8499 | ||
8500 | t0 = tcg_temp_new(); | |
8501 | ||
8502 | tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); | |
8503 | tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); | |
8504 | if (!is_64_bit) { | |
8505 | tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
8506 | } | |
8507 | ||
8508 | tcg_temp_free(t0); | |
8509 | } | |
8510 | ||
8511 | #if defined(TARGET_MIPS64) | |
8512 | static void decode_i64_mips16 (CPUState *env, DisasContext *ctx, | |
8513 | int ry, int funct, int16_t offset, | |
8514 | int extended) | |
8515 | { | |
8516 | switch (funct) { | |
8517 | case I64_LDSP: | |
8518 | check_mips_64(ctx); | |
8519 | offset = extended ? offset : offset << 3; | |
afa88c3a | 8520 | gen_ld(env, ctx, OPC_LD, ry, 29, offset); |
364d4831 NF |
8521 | break; |
8522 | case I64_SDSP: | |
8523 | check_mips_64(ctx); | |
8524 | offset = extended ? offset : offset << 3; | |
5c13fdfd | 8525 | gen_st(ctx, OPC_SD, ry, 29, offset); |
364d4831 NF |
8526 | break; |
8527 | case I64_SDRASP: | |
8528 | check_mips_64(ctx); | |
8529 | offset = extended ? offset : (ctx->opcode & 0xff) << 3; | |
5c13fdfd | 8530 | gen_st(ctx, OPC_SD, 31, 29, offset); |
364d4831 NF |
8531 | break; |
8532 | case I64_DADJSP: | |
8533 | check_mips_64(ctx); | |
8534 | offset = extended ? offset : ((int8_t)ctx->opcode) << 3; | |
8535 | gen_arith_imm(env, ctx, OPC_DADDIU, 29, 29, offset); | |
8536 | break; | |
8537 | case I64_LDPC: | |
8538 | if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { | |
8539 | generate_exception(ctx, EXCP_RI); | |
8540 | } else { | |
8541 | offset = extended ? offset : offset << 3; | |
afa88c3a | 8542 | gen_ld(env, ctx, OPC_LDPC, ry, 0, offset); |
364d4831 NF |
8543 | } |
8544 | break; | |
8545 | case I64_DADDIU5: | |
8546 | check_mips_64(ctx); | |
8547 | offset = extended ? offset : ((int8_t)(offset << 3)) >> 3; | |
8548 | gen_arith_imm(env, ctx, OPC_DADDIU, ry, ry, offset); | |
8549 | break; | |
8550 | case I64_DADDIUPC: | |
8551 | check_mips_64(ctx); | |
8552 | offset = extended ? offset : offset << 2; | |
8553 | gen_addiupc(ctx, ry, offset, 1, extended); | |
8554 | break; | |
8555 | case I64_DADDIUSP: | |
8556 | check_mips_64(ctx); | |
8557 | offset = extended ? offset : offset << 2; | |
8558 | gen_arith_imm(env, ctx, OPC_DADDIU, ry, 29, offset); | |
8559 | break; | |
8560 | } | |
8561 | } | |
8562 | #endif | |
8563 | ||
8564 | static int decode_extended_mips16_opc (CPUState *env, DisasContext *ctx, | |
8565 | int *is_branch) | |
8566 | { | |
8567 | int extend = lduw_code(ctx->pc + 2); | |
8568 | int op, rx, ry, funct, sa; | |
8569 | int16_t imm, offset; | |
8570 | ||
8571 | ctx->opcode = (ctx->opcode << 16) | extend; | |
8572 | op = (ctx->opcode >> 11) & 0x1f; | |
8573 | sa = (ctx->opcode >> 22) & 0x1f; | |
8574 | funct = (ctx->opcode >> 8) & 0x7; | |
8575 | rx = xlat((ctx->opcode >> 8) & 0x7); | |
8576 | ry = xlat((ctx->opcode >> 5) & 0x7); | |
8577 | offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11 | |
8578 | | ((ctx->opcode >> 21) & 0x3f) << 5 | |
8579 | | (ctx->opcode & 0x1f)); | |
8580 | ||
8581 | /* The extended opcodes cleverly reuse the opcodes from their 16-bit | |
8582 | counterparts. */ | |
8583 | switch (op) { | |
8584 | case M16_OPC_ADDIUSP: | |
8585 | gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm); | |
8586 | break; | |
8587 | case M16_OPC_ADDIUPC: | |
8588 | gen_addiupc(ctx, rx, imm, 0, 1); | |
8589 | break; | |
8590 | case M16_OPC_B: | |
8591 | gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1); | |
8592 | /* No delay slot, so just process as a normal instruction */ | |
8593 | break; | |
8594 | case M16_OPC_BEQZ: | |
8595 | gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1); | |
8596 | /* No delay slot, so just process as a normal instruction */ | |
8597 | break; | |
8598 | case M16_OPC_BNEQZ: | |
8599 | gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1); | |
8600 | /* No delay slot, so just process as a normal instruction */ | |
8601 | break; | |
8602 | case M16_OPC_SHIFT: | |
8603 | switch (ctx->opcode & 0x3) { | |
8604 | case 0x0: | |
8605 | gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); | |
8606 | break; | |
8607 | case 0x1: | |
8608 | #if defined(TARGET_MIPS64) | |
8609 | check_mips_64(ctx); | |
8610 | gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); | |
8611 | #else | |
8612 | generate_exception(ctx, EXCP_RI); | |
8613 | #endif | |
8614 | break; | |
8615 | case 0x2: | |
8616 | gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); | |
8617 | break; | |
8618 | case 0x3: | |
8619 | gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); | |
8620 | break; | |
8621 | } | |
8622 | break; | |
8623 | #if defined(TARGET_MIPS64) | |
8624 | case M16_OPC_LD: | |
8625 | check_mips_64(ctx); | |
afa88c3a | 8626 | gen_ld(env, ctx, OPC_LD, ry, rx, offset); |
364d4831 NF |
8627 | break; |
8628 | #endif | |
8629 | case M16_OPC_RRIA: | |
8630 | imm = ctx->opcode & 0xf; | |
8631 | imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4; | |
8632 | imm = imm | ((ctx->opcode >> 16) & 0xf) << 11; | |
8633 | imm = (int16_t) (imm << 1) >> 1; | |
8634 | if ((ctx->opcode >> 4) & 0x1) { | |
8635 | #if defined(TARGET_MIPS64) | |
8636 | check_mips_64(ctx); | |
8637 | gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); | |
8638 | #else | |
8639 | generate_exception(ctx, EXCP_RI); | |
8640 | #endif | |
8641 | } else { | |
8642 | gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); | |
8643 | } | |
8644 | break; | |
8645 | case M16_OPC_ADDIU8: | |
8646 | gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); | |
8647 | break; | |
8648 | case M16_OPC_SLTI: | |
8649 | gen_slt_imm(env, OPC_SLTI, 24, rx, imm); | |
8650 | break; | |
8651 | case M16_OPC_SLTIU: | |
8652 | gen_slt_imm(env, OPC_SLTIU, 24, rx, imm); | |
8653 | break; | |
8654 | case M16_OPC_I8: | |
8655 | switch (funct) { | |
8656 | case I8_BTEQZ: | |
8657 | gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1); | |
8658 | break; | |
8659 | case I8_BTNEZ: | |
8660 | gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1); | |
8661 | break; | |
8662 | case I8_SWRASP: | |
5c13fdfd | 8663 | gen_st(ctx, OPC_SW, 31, 29, imm); |
364d4831 NF |
8664 | break; |
8665 | case I8_ADJSP: | |
8666 | gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm); | |
8667 | break; | |
8668 | case I8_SVRS: | |
8669 | { | |
8670 | int xsregs = (ctx->opcode >> 24) & 0x7; | |
8671 | int aregs = (ctx->opcode >> 16) & 0xf; | |
8672 | int do_ra = (ctx->opcode >> 6) & 0x1; | |
8673 | int do_s0 = (ctx->opcode >> 5) & 0x1; | |
8674 | int do_s1 = (ctx->opcode >> 4) & 0x1; | |
8675 | int framesize = (((ctx->opcode >> 20) & 0xf) << 4 | |
8676 | | (ctx->opcode & 0xf)) << 3; | |
8677 | ||
8678 | if (ctx->opcode & (1 << 7)) { | |
8679 | gen_mips16_save(ctx, xsregs, aregs, | |
8680 | do_ra, do_s0, do_s1, | |
8681 | framesize); | |
8682 | } else { | |
8683 | gen_mips16_restore(ctx, xsregs, aregs, | |
8684 | do_ra, do_s0, do_s1, | |
8685 | framesize); | |
8686 | } | |
8687 | } | |
8688 | break; | |
8689 | default: | |
8690 | generate_exception(ctx, EXCP_RI); | |
8691 | break; | |
8692 | } | |
8693 | break; | |
8694 | case M16_OPC_LI: | |
8695 | tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm); | |
8696 | break; | |
8697 | case M16_OPC_CMPI: | |
8698 | tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm); | |
8699 | break; | |
8700 | #if defined(TARGET_MIPS64) | |
8701 | case M16_OPC_SD: | |
5c13fdfd | 8702 | gen_st(ctx, OPC_SD, ry, rx, offset); |
364d4831 NF |
8703 | break; |
8704 | #endif | |
8705 | case M16_OPC_LB: | |
afa88c3a | 8706 | gen_ld(env, ctx, OPC_LB, ry, rx, offset); |
364d4831 NF |
8707 | break; |
8708 | case M16_OPC_LH: | |
afa88c3a | 8709 | gen_ld(env, ctx, OPC_LH, ry, rx, offset); |
364d4831 NF |
8710 | break; |
8711 | case M16_OPC_LWSP: | |
afa88c3a | 8712 | gen_ld(env, ctx, OPC_LW, rx, 29, offset); |
364d4831 NF |
8713 | break; |
8714 | case M16_OPC_LW: | |
afa88c3a | 8715 | gen_ld(env, ctx, OPC_LW, ry, rx, offset); |
364d4831 NF |
8716 | break; |
8717 | case M16_OPC_LBU: | |
afa88c3a | 8718 | gen_ld(env, ctx, OPC_LBU, ry, rx, offset); |
364d4831 NF |
8719 | break; |
8720 | case M16_OPC_LHU: | |
afa88c3a | 8721 | gen_ld(env, ctx, OPC_LHU, ry, rx, offset); |
364d4831 NF |
8722 | break; |
8723 | case M16_OPC_LWPC: | |
afa88c3a | 8724 | gen_ld(env, ctx, OPC_LWPC, rx, 0, offset); |
364d4831 NF |
8725 | break; |
8726 | #if defined(TARGET_MIPS64) | |
8727 | case M16_OPC_LWU: | |
afa88c3a | 8728 | gen_ld(env, ctx, OPC_LWU, ry, rx, offset); |
364d4831 NF |
8729 | break; |
8730 | #endif | |
8731 | case M16_OPC_SB: | |
5c13fdfd | 8732 | gen_st(ctx, OPC_SB, ry, rx, offset); |
364d4831 NF |
8733 | break; |
8734 | case M16_OPC_SH: | |
5c13fdfd | 8735 | gen_st(ctx, OPC_SH, ry, rx, offset); |
364d4831 NF |
8736 | break; |
8737 | case M16_OPC_SWSP: | |
5c13fdfd | 8738 | gen_st(ctx, OPC_SW, rx, 29, offset); |
364d4831 NF |
8739 | break; |
8740 | case M16_OPC_SW: | |
5c13fdfd | 8741 | gen_st(ctx, OPC_SW, ry, rx, offset); |
364d4831 NF |
8742 | break; |
8743 | #if defined(TARGET_MIPS64) | |
8744 | case M16_OPC_I64: | |
8745 | decode_i64_mips16(env, ctx, ry, funct, offset, 1); | |
8746 | break; | |
8747 | #endif | |
8748 | default: | |
8749 | generate_exception(ctx, EXCP_RI); | |
8750 | break; | |
8751 | } | |
8752 | ||
8753 | return 4; | |
8754 | } | |
8755 | ||
8756 | static int decode_mips16_opc (CPUState *env, DisasContext *ctx, | |
8757 | int *is_branch) | |
8758 | { | |
8759 | int rx, ry; | |
8760 | int sa; | |
8761 | int op, cnvt_op, op1, offset; | |
8762 | int funct; | |
8763 | int n_bytes; | |
8764 | ||
8765 | op = (ctx->opcode >> 11) & 0x1f; | |
8766 | sa = (ctx->opcode >> 2) & 0x7; | |
8767 | sa = sa == 0 ? 8 : sa; | |
8768 | rx = xlat((ctx->opcode >> 8) & 0x7); | |
8769 | cnvt_op = (ctx->opcode >> 5) & 0x7; | |
8770 | ry = xlat((ctx->opcode >> 5) & 0x7); | |
8771 | op1 = offset = ctx->opcode & 0x1f; | |
8772 | ||
8773 | n_bytes = 2; | |
8774 | ||
8775 | switch (op) { | |
8776 | case M16_OPC_ADDIUSP: | |
8777 | { | |
8778 | int16_t imm = ((uint8_t) ctx->opcode) << 2; | |
8779 | ||
8780 | gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm); | |
8781 | } | |
8782 | break; | |
8783 | case M16_OPC_ADDIUPC: | |
8784 | gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0); | |
8785 | break; | |
8786 | case M16_OPC_B: | |
8787 | offset = (ctx->opcode & 0x7ff) << 1; | |
8788 | offset = (int16_t)(offset << 4) >> 4; | |
8789 | gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset); | |
8790 | /* No delay slot, so just process as a normal instruction */ | |
8791 | break; | |
8792 | case M16_OPC_JAL: | |
8793 | offset = lduw_code(ctx->pc + 2); | |
8794 | offset = (((ctx->opcode & 0x1f) << 21) | |
8795 | | ((ctx->opcode >> 5) & 0x1f) << 16 | |
8796 | | offset) << 2; | |
620e48f6 | 8797 | op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALXS : OPC_JALS; |
364d4831 NF |
8798 | gen_compute_branch(ctx, op, 4, rx, ry, offset); |
8799 | n_bytes = 4; | |
8800 | *is_branch = 1; | |
8801 | break; | |
8802 | case M16_OPC_BEQZ: | |
8803 | gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1); | |
8804 | /* No delay slot, so just process as a normal instruction */ | |
8805 | break; | |
8806 | case M16_OPC_BNEQZ: | |
8807 | gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1); | |
8808 | /* No delay slot, so just process as a normal instruction */ | |
8809 | break; | |
8810 | case M16_OPC_SHIFT: | |
8811 | switch (ctx->opcode & 0x3) { | |
8812 | case 0x0: | |
8813 | gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); | |
8814 | break; | |
8815 | case 0x1: | |
8816 | #if defined(TARGET_MIPS64) | |
8817 | check_mips_64(ctx); | |
8818 | gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); | |
8819 | #else | |
8820 | generate_exception(ctx, EXCP_RI); | |
8821 | #endif | |
8822 | break; | |
8823 | case 0x2: | |
8824 | gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); | |
8825 | break; | |
8826 | case 0x3: | |
8827 | gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); | |
8828 | break; | |
8829 | } | |
8830 | break; | |
8831 | #if defined(TARGET_MIPS64) | |
8832 | case M16_OPC_LD: | |
8833 | check_mips_64(ctx); | |
afa88c3a | 8834 | gen_ld(env, ctx, OPC_LD, ry, rx, offset << 3); |
364d4831 NF |
8835 | break; |
8836 | #endif | |
8837 | case M16_OPC_RRIA: | |
8838 | { | |
8839 | int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4; | |
8840 | ||
8841 | if ((ctx->opcode >> 4) & 1) { | |
8842 | #if defined(TARGET_MIPS64) | |
8843 | check_mips_64(ctx); | |
8844 | gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); | |
8845 | #else | |
8846 | generate_exception(ctx, EXCP_RI); | |
8847 | #endif | |
8848 | } else { | |
8849 | gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); | |
8850 | } | |
8851 | } | |
8852 | break; | |
8853 | case M16_OPC_ADDIU8: | |
8854 | { | |
8855 | int16_t imm = (int8_t) ctx->opcode; | |
8856 | ||
8857 | gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); | |
8858 | } | |
8859 | break; | |
8860 | case M16_OPC_SLTI: | |
8861 | { | |
8862 | int16_t imm = (uint8_t) ctx->opcode; | |
8863 | ||
8864 | gen_slt_imm(env, OPC_SLTI, 24, rx, imm); | |
8865 | } | |
8866 | break; | |
8867 | case M16_OPC_SLTIU: | |
8868 | { | |
8869 | int16_t imm = (uint8_t) ctx->opcode; | |
8870 | ||
8871 | gen_slt_imm(env, OPC_SLTIU, 24, rx, imm); | |
8872 | } | |
8873 | break; | |
8874 | case M16_OPC_I8: | |
8875 | { | |
8876 | int reg32; | |
8877 | ||
8878 | funct = (ctx->opcode >> 8) & 0x7; | |
8879 | switch (funct) { | |
8880 | case I8_BTEQZ: | |
8881 | gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0, | |
8882 | ((int8_t)ctx->opcode) << 1); | |
8883 | break; | |
8884 | case I8_BTNEZ: | |
8885 | gen_compute_branch(ctx, OPC_BNE, 2, 24, 0, | |
8886 | ((int8_t)ctx->opcode) << 1); | |
8887 | break; | |
8888 | case I8_SWRASP: | |
5c13fdfd | 8889 | gen_st(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2); |
364d4831 NF |
8890 | break; |
8891 | case I8_ADJSP: | |
8892 | gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, | |
8893 | ((int8_t)ctx->opcode) << 3); | |
8894 | break; | |
8895 | case I8_SVRS: | |
8896 | { | |
8897 | int do_ra = ctx->opcode & (1 << 6); | |
8898 | int do_s0 = ctx->opcode & (1 << 5); | |
8899 | int do_s1 = ctx->opcode & (1 << 4); | |
8900 | int framesize = ctx->opcode & 0xf; | |
8901 | ||
8902 | if (framesize == 0) { | |
8903 | framesize = 128; | |
8904 | } else { | |
8905 | framesize = framesize << 3; | |
8906 | } | |
8907 | ||
8908 | if (ctx->opcode & (1 << 7)) { | |
8909 | gen_mips16_save(ctx, 0, 0, | |
8910 | do_ra, do_s0, do_s1, framesize); | |
8911 | } else { | |
8912 | gen_mips16_restore(ctx, 0, 0, | |
8913 | do_ra, do_s0, do_s1, framesize); | |
8914 | } | |
8915 | } | |
8916 | break; | |
8917 | case I8_MOV32R: | |
8918 | { | |
8919 | int rz = xlat(ctx->opcode & 0x7); | |
8920 | ||
8921 | reg32 = (((ctx->opcode >> 3) & 0x3) << 3) | | |
8922 | ((ctx->opcode >> 5) & 0x7); | |
8923 | gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0); | |
8924 | } | |
8925 | break; | |
8926 | case I8_MOVR32: | |
8927 | reg32 = ctx->opcode & 0x1f; | |
8928 | gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0); | |
8929 | break; | |
8930 | default: | |
8931 | generate_exception(ctx, EXCP_RI); | |
8932 | break; | |
8933 | } | |
8934 | } | |
8935 | break; | |
8936 | case M16_OPC_LI: | |
8937 | { | |
8938 | int16_t imm = (uint8_t) ctx->opcode; | |
8939 | ||
8940 | gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm); | |
8941 | } | |
8942 | break; | |
8943 | case M16_OPC_CMPI: | |
8944 | { | |
8945 | int16_t imm = (uint8_t) ctx->opcode; | |
8946 | ||
8947 | gen_logic_imm(env, OPC_XORI, 24, rx, imm); | |
8948 | } | |
8949 | break; | |
8950 | #if defined(TARGET_MIPS64) | |
8951 | case M16_OPC_SD: | |
8952 | check_mips_64(ctx); | |
5c13fdfd | 8953 | gen_st(ctx, OPC_SD, ry, rx, offset << 3); |
364d4831 NF |
8954 | break; |
8955 | #endif | |
8956 | case M16_OPC_LB: | |
afa88c3a | 8957 | gen_ld(env, ctx, OPC_LB, ry, rx, offset); |
364d4831 NF |
8958 | break; |
8959 | case M16_OPC_LH: | |
afa88c3a | 8960 | gen_ld(env, ctx, OPC_LH, ry, rx, offset << 1); |
364d4831 NF |
8961 | break; |
8962 | case M16_OPC_LWSP: | |
afa88c3a | 8963 | gen_ld(env, ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
364d4831 NF |
8964 | break; |
8965 | case M16_OPC_LW: | |
afa88c3a | 8966 | gen_ld(env, ctx, OPC_LW, ry, rx, offset << 2); |
364d4831 NF |
8967 | break; |
8968 | case M16_OPC_LBU: | |
afa88c3a | 8969 | gen_ld(env, ctx, OPC_LBU, ry, rx, offset); |
364d4831 NF |
8970 | break; |
8971 | case M16_OPC_LHU: | |
afa88c3a | 8972 | gen_ld(env, ctx, OPC_LHU, ry, rx, offset << 1); |
364d4831 NF |
8973 | break; |
8974 | case M16_OPC_LWPC: | |
afa88c3a | 8975 | gen_ld(env, ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2); |
364d4831 NF |
8976 | break; |
8977 | #if defined (TARGET_MIPS64) | |
8978 | case M16_OPC_LWU: | |
8979 | check_mips_64(ctx); | |
afa88c3a | 8980 | gen_ld(env, ctx, OPC_LWU, ry, rx, offset << 2); |
364d4831 NF |
8981 | break; |
8982 | #endif | |
8983 | case M16_OPC_SB: | |
5c13fdfd | 8984 | gen_st(ctx, OPC_SB, ry, rx, offset); |
364d4831 NF |
8985 | break; |
8986 | case M16_OPC_SH: | |
5c13fdfd | 8987 | gen_st(ctx, OPC_SH, ry, rx, offset << 1); |
364d4831 NF |
8988 | break; |
8989 | case M16_OPC_SWSP: | |
5c13fdfd | 8990 | gen_st(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
364d4831 NF |
8991 | break; |
8992 | case M16_OPC_SW: | |
5c13fdfd | 8993 | gen_st(ctx, OPC_SW, ry, rx, offset << 2); |
364d4831 NF |
8994 | break; |
8995 | case M16_OPC_RRR: | |
8996 | { | |
8997 | int rz = xlat((ctx->opcode >> 2) & 0x7); | |
8998 | int mips32_op; | |
8999 | ||
9000 | switch (ctx->opcode & 0x3) { | |
9001 | case RRR_ADDU: | |
9002 | mips32_op = OPC_ADDU; | |
9003 | break; | |
9004 | case RRR_SUBU: | |
9005 | mips32_op = OPC_SUBU; | |
9006 | break; | |
9007 | #if defined(TARGET_MIPS64) | |
9008 | case RRR_DADDU: | |
9009 | mips32_op = OPC_DADDU; | |
9010 | check_mips_64(ctx); | |
9011 | break; | |
9012 | case RRR_DSUBU: | |
9013 | mips32_op = OPC_DSUBU; | |
9014 | check_mips_64(ctx); | |
9015 | break; | |
9016 | #endif | |
9017 | default: | |
9018 | generate_exception(ctx, EXCP_RI); | |
9019 | goto done; | |
9020 | } | |
9021 | ||
9022 | gen_arith(env, ctx, mips32_op, rz, rx, ry); | |
9023 | done: | |
9024 | ; | |
9025 | } | |
9026 | break; | |
9027 | case M16_OPC_RR: | |
9028 | switch (op1) { | |
9029 | case RR_JR: | |
9030 | { | |
9031 | int nd = (ctx->opcode >> 7) & 0x1; | |
9032 | int link = (ctx->opcode >> 6) & 0x1; | |
9033 | int ra = (ctx->opcode >> 5) & 0x1; | |
9034 | ||
9035 | if (link) { | |
620e48f6 | 9036 | op = nd ? OPC_JALRC : OPC_JALRS; |
364d4831 NF |
9037 | } else { |
9038 | op = OPC_JR; | |
9039 | } | |
9040 | ||
9041 | gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0); | |
9042 | if (!nd) { | |
9043 | *is_branch = 1; | |
9044 | } | |
9045 | } | |
9046 | break; | |
9047 | case RR_SDBBP: | |
9048 | /* XXX: not clear which exception should be raised | |
9049 | * when in debug mode... | |
9050 | */ | |
9051 | check_insn(env, ctx, ISA_MIPS32); | |
9052 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { | |
9053 | generate_exception(ctx, EXCP_DBp); | |
9054 | } else { | |
9055 | generate_exception(ctx, EXCP_DBp); | |
9056 | } | |
9057 | break; | |
9058 | case RR_SLT: | |
9059 | gen_slt(env, OPC_SLT, 24, rx, ry); | |
9060 | break; | |
9061 | case RR_SLTU: | |
9062 | gen_slt(env, OPC_SLTU, 24, rx, ry); | |
9063 | break; | |
9064 | case RR_BREAK: | |
9065 | generate_exception(ctx, EXCP_BREAK); | |
9066 | break; | |
9067 | case RR_SLLV: | |
9068 | gen_shift(env, ctx, OPC_SLLV, ry, rx, ry); | |
9069 | break; | |
9070 | case RR_SRLV: | |
9071 | gen_shift(env, ctx, OPC_SRLV, ry, rx, ry); | |
9072 | break; | |
9073 | case RR_SRAV: | |
9074 | gen_shift(env, ctx, OPC_SRAV, ry, rx, ry); | |
9075 | break; | |
9076 | #if defined (TARGET_MIPS64) | |
9077 | case RR_DSRL: | |
9078 | check_mips_64(ctx); | |
9079 | gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa); | |
9080 | break; | |
9081 | #endif | |
9082 | case RR_CMP: | |
9083 | gen_logic(env, OPC_XOR, 24, rx, ry); | |
9084 | break; | |
9085 | case RR_NEG: | |
9086 | gen_arith(env, ctx, OPC_SUBU, rx, 0, ry); | |
9087 | break; | |
9088 | case RR_AND: | |
9089 | gen_logic(env, OPC_AND, rx, rx, ry); | |
9090 | break; | |
9091 | case RR_OR: | |
9092 | gen_logic(env, OPC_OR, rx, rx, ry); | |
9093 | break; | |
9094 | case RR_XOR: | |
9095 | gen_logic(env, OPC_XOR, rx, rx, ry); | |
9096 | break; | |
9097 | case RR_NOT: | |
9098 | gen_logic(env, OPC_NOR, rx, ry, 0); | |
9099 | break; | |
9100 | case RR_MFHI: | |
9101 | gen_HILO(ctx, OPC_MFHI, rx); | |
9102 | break; | |
9103 | case RR_CNVT: | |
9104 | switch (cnvt_op) { | |
9105 | case RR_RY_CNVT_ZEB: | |
9106 | tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
9107 | break; | |
9108 | case RR_RY_CNVT_ZEH: | |
9109 | tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
9110 | break; | |
9111 | case RR_RY_CNVT_SEB: | |
9112 | tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
9113 | break; | |
9114 | case RR_RY_CNVT_SEH: | |
9115 | tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
9116 | break; | |
9117 | #if defined (TARGET_MIPS64) | |
9118 | case RR_RY_CNVT_ZEW: | |
9119 | check_mips_64(ctx); | |
9120 | tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
9121 | break; | |
9122 | case RR_RY_CNVT_SEW: | |
9123 | check_mips_64(ctx); | |
9124 | tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); | |
9125 | break; | |
9126 | #endif | |
9127 | default: | |
9128 | generate_exception(ctx, EXCP_RI); | |
9129 | break; | |
9130 | } | |
9131 | break; | |
9132 | case RR_MFLO: | |
9133 | gen_HILO(ctx, OPC_MFLO, rx); | |
9134 | break; | |
9135 | #if defined (TARGET_MIPS64) | |
9136 | case RR_DSRA: | |
9137 | check_mips_64(ctx); | |
9138 | gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa); | |
9139 | break; | |
9140 | case RR_DSLLV: | |
9141 | check_mips_64(ctx); | |
9142 | gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry); | |
9143 | break; | |
9144 | case RR_DSRLV: | |
9145 | check_mips_64(ctx); | |
9146 | gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry); | |
9147 | break; | |
9148 | case RR_DSRAV: | |
9149 | check_mips_64(ctx); | |
9150 | gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry); | |
9151 | break; | |
9152 | #endif | |
9153 | case RR_MULT: | |
9154 | gen_muldiv(ctx, OPC_MULT, rx, ry); | |
9155 | break; | |
9156 | case RR_MULTU: | |
9157 | gen_muldiv(ctx, OPC_MULTU, rx, ry); | |
9158 | break; | |
9159 | case RR_DIV: | |
9160 | gen_muldiv(ctx, OPC_DIV, rx, ry); | |
9161 | break; | |
9162 | case RR_DIVU: | |
9163 | gen_muldiv(ctx, OPC_DIVU, rx, ry); | |
9164 | break; | |
9165 | #if defined (TARGET_MIPS64) | |
9166 | case RR_DMULT: | |
9167 | check_mips_64(ctx); | |
9168 | gen_muldiv(ctx, OPC_DMULT, rx, ry); | |
9169 | break; | |
9170 | case RR_DMULTU: | |
9171 | check_mips_64(ctx); | |
9172 | gen_muldiv(ctx, OPC_DMULTU, rx, ry); | |
9173 | break; | |
9174 | case RR_DDIV: | |
9175 | check_mips_64(ctx); | |
9176 | gen_muldiv(ctx, OPC_DDIV, rx, ry); | |
9177 | break; | |
9178 | case RR_DDIVU: | |
9179 | check_mips_64(ctx); | |
9180 | gen_muldiv(ctx, OPC_DDIVU, rx, ry); | |
9181 | break; | |
9182 | #endif | |
9183 | default: | |
9184 | generate_exception(ctx, EXCP_RI); | |
9185 | break; | |
9186 | } | |
9187 | break; | |
9188 | case M16_OPC_EXTEND: | |
9189 | decode_extended_mips16_opc(env, ctx, is_branch); | |
9190 | n_bytes = 4; | |
9191 | break; | |
9192 | #if defined(TARGET_MIPS64) | |
9193 | case M16_OPC_I64: | |
9194 | funct = (ctx->opcode >> 8) & 0x7; | |
9195 | decode_i64_mips16(env, ctx, ry, funct, offset, 0); | |
9196 | break; | |
9197 | #endif | |
9198 | default: | |
9199 | generate_exception(ctx, EXCP_RI); | |
9200 | break; | |
9201 | } | |
9202 | ||
9203 | return n_bytes; | |
9204 | } | |
9205 | ||
3c824109 | 9206 | /* microMIPS extension to MIPS32 */ |
6af0bf9c | 9207 | |
3c824109 | 9208 | /* microMIPS32 major opcodes */ |
6af0bf9c | 9209 | |
3c824109 NF |
9210 | enum { |
9211 | POOL32A = 0x00, | |
9212 | POOL16A = 0x01, | |
9213 | LBU16 = 0x02, | |
9214 | MOVE16 = 0x03, | |
9215 | ADDI32 = 0x04, | |
9216 | LBU32 = 0x05, | |
9217 | SB32 = 0x06, | |
9218 | LB32 = 0x07, | |
9219 | ||
9220 | POOL32B = 0x08, | |
9221 | POOL16B = 0x09, | |
9222 | LHU16 = 0x0a, | |
9223 | ANDI16 = 0x0b, | |
9224 | ADDIU32 = 0x0c, | |
9225 | LHU32 = 0x0d, | |
9226 | SH32 = 0x0e, | |
9227 | LH32 = 0x0f, | |
9228 | ||
9229 | POOL32I = 0x10, | |
9230 | POOL16C = 0x11, | |
9231 | LWSP16 = 0x12, | |
9232 | POOL16D = 0x13, | |
9233 | ORI32 = 0x14, | |
9234 | POOL32F = 0x15, | |
9235 | POOL32S = 0x16, | |
9236 | DADDIU32 = 0x17, | |
9237 | ||
9238 | POOL32C = 0x18, | |
9239 | LWGP16 = 0x19, | |
9240 | LW16 = 0x1a, | |
9241 | POOL16E = 0x1b, | |
9242 | XORI32 = 0x1c, | |
9243 | JALS32 = 0x1d, | |
9244 | ADDIUPC = 0x1e, | |
9245 | POOL48A = 0x1f, | |
9246 | ||
9247 | /* 0x20 is reserved */ | |
9248 | RES_20 = 0x20, | |
9249 | POOL16F = 0x21, | |
9250 | SB16 = 0x22, | |
9251 | BEQZ16 = 0x23, | |
9252 | SLTI32 = 0x24, | |
9253 | BEQ32 = 0x25, | |
9254 | SWC132 = 0x26, | |
9255 | LWC132 = 0x27, | |
9256 | ||
9257 | /* 0x28 and 0x29 are reserved */ | |
9258 | RES_28 = 0x28, | |
9259 | RES_29 = 0x29, | |
9260 | SH16 = 0x2a, | |
9261 | BNEZ16 = 0x2b, | |
9262 | SLTIU32 = 0x2c, | |
9263 | BNE32 = 0x2d, | |
9264 | SDC132 = 0x2e, | |
9265 | LDC132 = 0x2f, | |
9266 | ||
9267 | /* 0x30 and 0x31 are reserved */ | |
9268 | RES_30 = 0x30, | |
9269 | RES_31 = 0x31, | |
9270 | SWSP16 = 0x32, | |
9271 | B16 = 0x33, | |
9272 | ANDI32 = 0x34, | |
9273 | J32 = 0x35, | |
9274 | SD32 = 0x36, | |
9275 | LD32 = 0x37, | |
9276 | ||
9277 | /* 0x38 and 0x39 are reserved */ | |
9278 | RES_38 = 0x38, | |
9279 | RES_39 = 0x39, | |
9280 | SW16 = 0x3a, | |
9281 | LI16 = 0x3b, | |
9282 | JALX32 = 0x3c, | |
9283 | JAL32 = 0x3d, | |
9284 | SW32 = 0x3e, | |
9285 | LW32 = 0x3f | |
9286 | }; | |
9287 | ||
9288 | /* POOL32A encoding of minor opcode field */ | |
9289 | ||
9290 | enum { | |
9291 | /* These opcodes are distinguished only by bits 9..6; those bits are | |
9292 | * what are recorded below. */ | |
9293 | SLL32 = 0x0, | |
9294 | SRL32 = 0x1, | |
9295 | SRA = 0x2, | |
9296 | ROTR = 0x3, | |
9297 | ||
9298 | SLLV = 0x0, | |
9299 | SRLV = 0x1, | |
9300 | SRAV = 0x2, | |
9301 | ROTRV = 0x3, | |
9302 | ADD = 0x4, | |
9303 | ADDU32 = 0x5, | |
9304 | SUB = 0x6, | |
9305 | SUBU32 = 0x7, | |
9306 | MUL = 0x8, | |
9307 | AND = 0x9, | |
9308 | OR32 = 0xa, | |
9309 | NOR = 0xb, | |
9310 | XOR32 = 0xc, | |
9311 | SLT = 0xd, | |
9312 | SLTU = 0xe, | |
9313 | ||
9314 | MOVN = 0x0, | |
9315 | MOVZ = 0x1, | |
9316 | LWXS = 0x4, | |
9317 | ||
9318 | /* The following can be distinguished by their lower 6 bits. */ | |
9319 | INS = 0x0c, | |
9320 | EXT = 0x2c, | |
9321 | POOL32AXF = 0x3c | |
9322 | }; | |
9323 | ||
9324 | /* POOL32AXF encoding of minor opcode field extension */ | |
9325 | ||
9326 | enum { | |
9327 | /* bits 11..6 */ | |
9328 | TEQ = 0x00, | |
9329 | TGE = 0x08, | |
9330 | TGEU = 0x10, | |
9331 | TLT = 0x20, | |
9332 | TLTU = 0x28, | |
9333 | TNE = 0x30, | |
9334 | ||
9335 | MFC0 = 0x03, | |
9336 | MTC0 = 0x0b, | |
9337 | ||
9338 | /* bits 13..12 for 0x01 */ | |
9339 | MFHI_ACC = 0x0, | |
9340 | MFLO_ACC = 0x1, | |
9341 | MTHI_ACC = 0x2, | |
9342 | MTLO_ACC = 0x3, | |
9343 | ||
9344 | /* bits 13..12 for 0x2a */ | |
9345 | MADD_ACC = 0x0, | |
9346 | MADDU_ACC = 0x1, | |
9347 | MSUB_ACC = 0x2, | |
9348 | MSUBU_ACC = 0x3, | |
9349 | ||
9350 | /* bits 13..12 for 0x32 */ | |
9351 | MULT_ACC = 0x0, | |
9352 | MULTU_ACC = 0x0, | |
9353 | ||
9354 | /* bits 15..12 for 0x2c */ | |
9355 | SEB = 0x2, | |
9356 | SEH = 0x3, | |
9357 | CLO = 0x4, | |
9358 | CLZ = 0x5, | |
9359 | RDHWR = 0x6, | |
9360 | WSBH = 0x7, | |
9361 | MULT = 0x8, | |
9362 | MULTU = 0x9, | |
9363 | DIV = 0xa, | |
9364 | DIVU = 0xb, | |
9365 | MADD = 0xc, | |
9366 | MADDU = 0xd, | |
9367 | MSUB = 0xe, | |
9368 | MSUBU = 0xf, | |
9369 | ||
9370 | /* bits 15..12 for 0x34 */ | |
9371 | MFC2 = 0x4, | |
9372 | MTC2 = 0x5, | |
9373 | MFHC2 = 0x8, | |
9374 | MTHC2 = 0x9, | |
9375 | CFC2 = 0xc, | |
9376 | CTC2 = 0xd, | |
9377 | ||
9378 | /* bits 15..12 for 0x3c */ | |
9379 | JALR = 0x0, | |
9380 | JR = 0x0, /* alias */ | |
9381 | JALR_HB = 0x1, | |
9382 | JALRS = 0x4, | |
9383 | JALRS_HB = 0x5, | |
9384 | ||
9385 | /* bits 15..12 for 0x05 */ | |
9386 | RDPGPR = 0xe, | |
9387 | WRPGPR = 0xf, | |
9388 | ||
9389 | /* bits 15..12 for 0x0d */ | |
9390 | TLBP = 0x0, | |
9391 | TLBR = 0x1, | |
9392 | TLBWI = 0x2, | |
9393 | TLBWR = 0x3, | |
9394 | WAIT = 0x9, | |
9395 | IRET = 0xd, | |
9396 | DERET = 0xe, | |
9397 | ERET = 0xf, | |
9398 | ||
9399 | /* bits 15..12 for 0x15 */ | |
9400 | DMT = 0x0, | |
9401 | DVPE = 0x1, | |
9402 | EMT = 0x2, | |
9403 | EVPE = 0x3, | |
9404 | ||
9405 | /* bits 15..12 for 0x1d */ | |
9406 | DI = 0x4, | |
9407 | EI = 0x5, | |
9408 | ||
9409 | /* bits 15..12 for 0x2d */ | |
9410 | SYNC = 0x6, | |
9411 | SYSCALL = 0x8, | |
9412 | SDBBP = 0xd, | |
9413 | ||
9414 | /* bits 15..12 for 0x35 */ | |
9415 | MFHI32 = 0x0, | |
9416 | MFLO32 = 0x1, | |
9417 | MTHI32 = 0x2, | |
9418 | MTLO32 = 0x3, | |
9419 | }; | |
9420 | ||
9421 | /* POOL32B encoding of minor opcode field (bits 15..12) */ | |
9422 | ||
9423 | enum { | |
9424 | LWC2 = 0x0, | |
9425 | LWP = 0x1, | |
9426 | LDP = 0x4, | |
9427 | LWM32 = 0x5, | |
9428 | CACHE = 0x6, | |
9429 | LDM = 0x7, | |
9430 | SWC2 = 0x8, | |
9431 | SWP = 0x9, | |
9432 | SDP = 0xc, | |
9433 | SWM32 = 0xd, | |
9434 | SDM = 0xf | |
9435 | }; | |
9436 | ||
9437 | /* POOL32C encoding of minor opcode field (bits 15..12) */ | |
9438 | ||
9439 | enum { | |
9440 | LWL = 0x0, | |
9441 | SWL = 0x8, | |
9442 | LWR = 0x1, | |
9443 | SWR = 0x9, | |
9444 | PREF = 0x2, | |
9445 | /* 0xa is reserved */ | |
9446 | LL = 0x3, | |
9447 | SC = 0xb, | |
9448 | LDL = 0x4, | |
9449 | SDL = 0xc, | |
9450 | LDR = 0x5, | |
9451 | SDR = 0xd, | |
9452 | /* 0x6 is reserved */ | |
9453 | LWU = 0xe, | |
9454 | LLD = 0x7, | |
9455 | SCD = 0xf | |
9456 | }; | |
9457 | ||
9458 | /* POOL32F encoding of minor opcode field (bits 5..0) */ | |
9459 | ||
9460 | enum { | |
9461 | /* These are the bit 7..6 values */ | |
9462 | ADD_FMT = 0x0, | |
9463 | MOVN_FMT = 0x0, | |
9464 | ||
9465 | SUB_FMT = 0x1, | |
9466 | MOVZ_FMT = 0x1, | |
9467 | ||
9468 | MUL_FMT = 0x2, | |
9469 | ||
9470 | DIV_FMT = 0x3, | |
9471 | ||
9472 | /* These are the bit 8..6 values */ | |
9473 | RSQRT2_FMT = 0x0, | |
9474 | MOVF_FMT = 0x0, | |
9475 | ||
9476 | LWXC1 = 0x1, | |
9477 | MOVT_FMT = 0x1, | |
9478 | ||
9479 | PLL_PS = 0x2, | |
9480 | SWXC1 = 0x2, | |
9481 | ||
9482 | PLU_PS = 0x3, | |
9483 | LDXC1 = 0x3, | |
9484 | ||
9485 | PUL_PS = 0x4, | |
9486 | SDXC1 = 0x4, | |
9487 | RECIP2_FMT = 0x4, | |
9488 | ||
9489 | PUU_PS = 0x5, | |
9490 | LUXC1 = 0x5, | |
9491 | ||
9492 | CVT_PS_S = 0x6, | |
9493 | SUXC1 = 0x6, | |
9494 | ADDR_PS = 0x6, | |
9495 | PREFX = 0x6, | |
9496 | ||
9497 | MULR_PS = 0x7, | |
9498 | ||
9499 | MADD_S = 0x01, | |
9500 | MADD_D = 0x09, | |
9501 | MADD_PS = 0x11, | |
9502 | ALNV_PS = 0x19, | |
9503 | MSUB_S = 0x21, | |
9504 | MSUB_D = 0x29, | |
9505 | MSUB_PS = 0x31, | |
9506 | ||
9507 | NMADD_S = 0x02, | |
9508 | NMADD_D = 0x0a, | |
9509 | NMADD_PS = 0x12, | |
9510 | NMSUB_S = 0x22, | |
9511 | NMSUB_D = 0x2a, | |
9512 | NMSUB_PS = 0x32, | |
9513 | ||
9514 | POOL32FXF = 0x3b, | |
9515 | ||
9516 | CABS_COND_FMT = 0x1c, /* MIPS3D */ | |
9517 | C_COND_FMT = 0x3c | |
9518 | }; | |
9519 | ||
9520 | /* POOL32Fxf encoding of minor opcode extension field */ | |
9521 | ||
9522 | enum { | |
9523 | CVT_L = 0x04, | |
9524 | RSQRT_FMT = 0x08, | |
9525 | FLOOR_L = 0x0c, | |
9526 | CVT_PW_PS = 0x1c, | |
9527 | CVT_W = 0x24, | |
9528 | SQRT_FMT = 0x28, | |
9529 | FLOOR_W = 0x2c, | |
9530 | CVT_PS_PW = 0x3c, | |
9531 | CFC1 = 0x40, | |
9532 | RECIP_FMT = 0x48, | |
9533 | CEIL_L = 0x4c, | |
9534 | CTC1 = 0x60, | |
9535 | CEIL_W = 0x6c, | |
9536 | MFC1 = 0x80, | |
9537 | CVT_S_PL = 0x84, | |
9538 | TRUNC_L = 0x8c, | |
9539 | MTC1 = 0xa0, | |
9540 | CVT_S_PU = 0xa4, | |
9541 | TRUNC_W = 0xac, | |
9542 | MFHC1 = 0xc0, | |
9543 | ROUND_L = 0xcc, | |
9544 | MTHC1 = 0xe0, | |
9545 | ROUND_W = 0xec, | |
9546 | ||
9547 | MOV_FMT = 0x01, | |
9548 | MOVF = 0x05, | |
9549 | ABS_FMT = 0x0d, | |
9550 | RSQRT1_FMT = 0x1d, | |
9551 | MOVT = 0x25, | |
9552 | NEG_FMT = 0x2d, | |
9553 | CVT_D = 0x4d, | |
9554 | RECIP1_FMT = 0x5d, | |
9555 | CVT_S = 0x6d | |
9556 | }; | |
9557 | ||
9558 | /* POOL32I encoding of minor opcode field (bits 25..21) */ | |
9559 | ||
9560 | enum { | |
9561 | BLTZ = 0x00, | |
9562 | BLTZAL = 0x01, | |
9563 | BGEZ = 0x02, | |
9564 | BGEZAL = 0x03, | |
9565 | BLEZ = 0x04, | |
9566 | BNEZC = 0x05, | |
9567 | BGTZ = 0x06, | |
9568 | BEQZC = 0x07, | |
9569 | TLTI = 0x08, | |
9570 | TGEI = 0x09, | |
9571 | TLTIU = 0x0a, | |
9572 | TGEIU = 0x0b, | |
9573 | TNEI = 0x0c, | |
9574 | LUI = 0x0d, | |
9575 | TEQI = 0x0e, | |
9576 | SYNCI = 0x10, | |
9577 | BLTZALS = 0x11, | |
9578 | BGEZALS = 0x13, | |
9579 | BC2F = 0x14, | |
9580 | BC2T = 0x15, | |
9581 | BPOSGE64 = 0x1a, | |
9582 | BPOSGE32 = 0x1b, | |
9583 | /* These overlap and are distinguished by bit16 of the instruction */ | |
9584 | BC1F = 0x1c, | |
9585 | BC1T = 0x1d, | |
9586 | BC1ANY2F = 0x1c, | |
9587 | BC1ANY2T = 0x1d, | |
9588 | BC1ANY4F = 0x1e, | |
9589 | BC1ANY4T = 0x1f | |
9590 | }; | |
9591 | ||
9592 | /* POOL16A encoding of minor opcode field */ | |
9593 | ||
9594 | enum { | |
9595 | ADDU16 = 0x0, | |
9596 | SUBU16 = 0x1 | |
9597 | }; | |
9598 | ||
9599 | /* POOL16B encoding of minor opcode field */ | |
9600 | ||
9601 | enum { | |
9602 | SLL16 = 0x0, | |
9603 | SRL16 = 0x1 | |
9604 | }; | |
9605 | ||
9606 | /* POOL16C encoding of minor opcode field */ | |
9607 | ||
9608 | enum { | |
9609 | NOT16 = 0x00, | |
9610 | XOR16 = 0x04, | |
9611 | AND16 = 0x08, | |
9612 | OR16 = 0x0c, | |
9613 | LWM16 = 0x10, | |
9614 | SWM16 = 0x14, | |
9615 | JR16 = 0x18, | |
9616 | JRC16 = 0x1a, | |
9617 | JALR16 = 0x1c, | |
9618 | JALR16S = 0x1e, | |
9619 | MFHI16 = 0x20, | |
9620 | MFLO16 = 0x24, | |
9621 | BREAK16 = 0x28, | |
9622 | SDBBP16 = 0x2c, | |
9623 | JRADDIUSP = 0x30 | |
9624 | }; | |
9625 | ||
9626 | /* POOL16D encoding of minor opcode field */ | |
9627 | ||
9628 | enum { | |
9629 | ADDIUS5 = 0x0, | |
9630 | ADDIUSP = 0x1 | |
9631 | }; | |
9632 | ||
9633 | /* POOL16E encoding of minor opcode field */ | |
9634 | ||
9635 | enum { | |
9636 | ADDIUR2 = 0x0, | |
9637 | ADDIUR1SP = 0x1 | |
9638 | }; | |
9639 | ||
9640 | static int mmreg (int r) | |
9641 | { | |
9642 | static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; | |
9643 | ||
9644 | return map[r]; | |
9645 | } | |
9646 | ||
9647 | /* Used for 16-bit store instructions. */ | |
9648 | static int mmreg2 (int r) | |
9649 | { | |
9650 | static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 }; | |
9651 | ||
9652 | return map[r]; | |
9653 | } | |
9654 | ||
9655 | #define uMIPS_RD(op) ((op >> 7) & 0x7) | |
9656 | #define uMIPS_RS(op) ((op >> 4) & 0x7) | |
9657 | #define uMIPS_RS2(op) uMIPS_RS(op) | |
9658 | #define uMIPS_RS1(op) ((op >> 1) & 0x7) | |
9659 | #define uMIPS_RD5(op) ((op >> 5) & 0x1f) | |
9660 | #define uMIPS_RS5(op) (op & 0x1f) | |
9661 | ||
9662 | /* Signed immediate */ | |
9663 | #define SIMM(op, start, width) \ | |
9664 | ((int32_t)(((op >> start) & ((~0U) >> (32-width))) \ | |
9665 | << (32-width)) \ | |
9666 | >> (32-width)) | |
9667 | /* Zero-extended immediate */ | |
9668 | #define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width))) | |
9669 | ||
9670 | static void gen_addiur1sp (CPUState *env, DisasContext *ctx) | |
9671 | { | |
9672 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
9673 | ||
9674 | gen_arith_imm(env, ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2); | |
9675 | } | |
9676 | ||
9677 | static void gen_addiur2 (CPUState *env, DisasContext *ctx) | |
9678 | { | |
9679 | static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 }; | |
9680 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
9681 | int rs = mmreg(uMIPS_RS(ctx->opcode)); | |
9682 | ||
9683 | gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]); | |
9684 | } | |
9685 | ||
9686 | static void gen_addiusp (CPUState *env, DisasContext *ctx) | |
9687 | { | |
9688 | int encoded = ZIMM(ctx->opcode, 1, 9); | |
9689 | int decoded; | |
9690 | ||
9691 | if (encoded <= 1) { | |
9692 | decoded = 256 + encoded; | |
9693 | } else if (encoded <= 255) { | |
9694 | decoded = encoded; | |
9695 | } else if (encoded <= 509) { | |
9696 | decoded = encoded - 512; | |
9697 | } else { | |
9698 | decoded = encoded - 768; | |
9699 | } | |
9700 | ||
9701 | gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, decoded << 2); | |
9702 | } | |
9703 | ||
9704 | static void gen_addius5 (CPUState *env, DisasContext *ctx) | |
9705 | { | |
9706 | int imm = SIMM(ctx->opcode, 1, 4); | |
9707 | int rd = (ctx->opcode >> 5) & 0x1f; | |
9708 | ||
9709 | gen_arith_imm(env, ctx, OPC_ADDIU, rd, rd, imm); | |
9710 | } | |
9711 | ||
9712 | static void gen_andi16 (CPUState *env, DisasContext *ctx) | |
9713 | { | |
9714 | static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16, | |
9715 | 31, 32, 63, 64, 255, 32768, 65535 }; | |
9716 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
9717 | int rs = mmreg(uMIPS_RS(ctx->opcode)); | |
9718 | int encoded = ZIMM(ctx->opcode, 0, 4); | |
9719 | ||
9720 | gen_logic_imm(env, OPC_ANDI, rd, rs, decoded_imm[encoded]); | |
9721 | } | |
9722 | ||
9723 | static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist, | |
9724 | int base, int16_t offset) | |
9725 | { | |
9726 | TCGv t0, t1; | |
9727 | TCGv_i32 t2; | |
9728 | ||
9729 | if (ctx->hflags & MIPS_HFLAG_BMASK) { | |
9730 | generate_exception(ctx, EXCP_RI); | |
9731 | return; | |
9732 | } | |
9733 | ||
9734 | t0 = tcg_temp_new(); | |
9735 | ||
9736 | gen_base_offset_addr(ctx, t0, base, offset); | |
9737 | ||
9738 | t1 = tcg_const_tl(reglist); | |
9739 | t2 = tcg_const_i32(ctx->mem_idx); | |
6af0bf9c | 9740 | |
3c824109 NF |
9741 | save_cpu_state(ctx, 1); |
9742 | switch (opc) { | |
9743 | case LWM32: | |
9744 | gen_helper_lwm(t0, t1, t2); | |
9745 | break; | |
9746 | case SWM32: | |
9747 | gen_helper_swm(t0, t1, t2); | |
9748 | break; | |
9749 | #ifdef TARGET_MIPS64 | |
9750 | case LDM: | |
9751 | gen_helper_ldm(t0, t1, t2); | |
9752 | break; | |
9753 | case SDM: | |
9754 | gen_helper_sdm(t0, t1, t2); | |
9755 | break; | |
6af0bf9c | 9756 | #endif |
3c824109 NF |
9757 | } |
9758 | MIPS_DEBUG("%s, %x, %d(%s)", opn, reglist, offset, regnames[base]); | |
9759 | tcg_temp_free(t0); | |
33087598 | 9760 | tcg_temp_free(t1); |
3c824109 NF |
9761 | tcg_temp_free_i32(t2); |
9762 | } | |
6af0bf9c | 9763 | |
3c824109 NF |
9764 | |
9765 | static void gen_pool16c_insn (CPUState *env, DisasContext *ctx, int *is_branch) | |
6af0bf9c | 9766 | { |
3c824109 NF |
9767 | int rd = mmreg((ctx->opcode >> 3) & 0x7); |
9768 | int rs = mmreg(ctx->opcode & 0x7); | |
9769 | int opc; | |
6af0bf9c | 9770 | |
3c824109 NF |
9771 | switch (((ctx->opcode) >> 4) & 0x3f) { |
9772 | case NOT16 + 0: | |
9773 | case NOT16 + 1: | |
9774 | case NOT16 + 2: | |
9775 | case NOT16 + 3: | |
9776 | gen_logic(env, OPC_NOR, rd, rs, 0); | |
9777 | break; | |
9778 | case XOR16 + 0: | |
9779 | case XOR16 + 1: | |
9780 | case XOR16 + 2: | |
9781 | case XOR16 + 3: | |
9782 | gen_logic(env, OPC_XOR, rd, rd, rs); | |
9783 | break; | |
9784 | case AND16 + 0: | |
9785 | case AND16 + 1: | |
9786 | case AND16 + 2: | |
9787 | case AND16 + 3: | |
9788 | gen_logic(env, OPC_AND, rd, rd, rs); | |
9789 | break; | |
9790 | case OR16 + 0: | |
9791 | case OR16 + 1: | |
9792 | case OR16 + 2: | |
9793 | case OR16 + 3: | |
9794 | gen_logic(env, OPC_OR, rd, rd, rs); | |
9795 | break; | |
9796 | case LWM16 + 0: | |
9797 | case LWM16 + 1: | |
9798 | case LWM16 + 2: | |
9799 | case LWM16 + 3: | |
9800 | { | |
9801 | static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; | |
9802 | int offset = ZIMM(ctx->opcode, 0, 4); | |
9803 | ||
9804 | gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3], | |
9805 | 29, offset << 2); | |
9806 | } | |
9807 | break; | |
9808 | case SWM16 + 0: | |
9809 | case SWM16 + 1: | |
9810 | case SWM16 + 2: | |
9811 | case SWM16 + 3: | |
9812 | { | |
9813 | static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; | |
9814 | int offset = ZIMM(ctx->opcode, 0, 4); | |
9815 | ||
9816 | gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3], | |
9817 | 29, offset << 2); | |
9818 | } | |
9819 | break; | |
9820 | case JR16 + 0: | |
9821 | case JR16 + 1: | |
9822 | { | |
9823 | int reg = ctx->opcode & 0x1f; | |
9824 | ||
9825 | gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); | |
9826 | } | |
9827 | *is_branch = 1; | |
9828 | break; | |
9829 | case JRC16 + 0: | |
9830 | case JRC16 + 1: | |
9831 | { | |
9832 | int reg = ctx->opcode & 0x1f; | |
9833 | ||
9834 | gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); | |
9835 | /* Let normal delay slot handling in our caller take us | |
9836 | to the branch target. */ | |
9837 | } | |
9838 | break; | |
9839 | case JALR16 + 0: | |
9840 | case JALR16 + 1: | |
9841 | opc = OPC_JALR; | |
9842 | goto do_jalr; | |
9843 | case JALR16S + 0: | |
9844 | case JALR16S + 1: | |
9845 | opc = OPC_JALRS; | |
9846 | do_jalr: | |
9847 | { | |
9848 | int reg = ctx->opcode & 0x1f; | |
9849 | ||
9850 | gen_compute_branch(ctx, opc, 2, reg, 31, 0); | |
9851 | } | |
9852 | *is_branch = 1; | |
9853 | break; | |
9854 | case MFHI16 + 0: | |
9855 | case MFHI16 + 1: | |
9856 | gen_HILO(ctx, OPC_MFHI, uMIPS_RS5(ctx->opcode)); | |
9857 | break; | |
9858 | case MFLO16 + 0: | |
9859 | case MFLO16 + 1: | |
9860 | gen_HILO(ctx, OPC_MFLO, uMIPS_RS5(ctx->opcode)); | |
9861 | break; | |
9862 | case BREAK16: | |
9863 | generate_exception(ctx, EXCP_BREAK); | |
9864 | break; | |
9865 | case SDBBP16: | |
9866 | /* XXX: not clear which exception should be raised | |
9867 | * when in debug mode... | |
9868 | */ | |
9869 | check_insn(env, ctx, ISA_MIPS32); | |
9870 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { | |
9871 | generate_exception(ctx, EXCP_DBp); | |
9872 | } else { | |
9873 | generate_exception(ctx, EXCP_DBp); | |
9874 | } | |
9875 | break; | |
9876 | case JRADDIUSP + 0: | |
9877 | case JRADDIUSP + 1: | |
9878 | { | |
9879 | int imm = ZIMM(ctx->opcode, 0, 5); | |
9880 | ||
9881 | gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0); | |
9882 | gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm << 2); | |
9883 | /* Let normal delay slot handling in our caller take us | |
9884 | to the branch target. */ | |
9885 | } | |
9886 | break; | |
9887 | default: | |
9888 | generate_exception(ctx, EXCP_RI); | |
9889 | break; | |
9890 | } | |
9891 | } | |
9892 | ||
9893 | static void gen_ldxs (DisasContext *ctx, int base, int index, int rd) | |
9894 | { | |
9895 | TCGv t0 = tcg_temp_new(); | |
9896 | TCGv t1 = tcg_temp_new(); | |
9897 | ||
9898 | gen_load_gpr(t0, base); | |
9899 | ||
9900 | if (index != 0) { | |
9901 | gen_load_gpr(t1, index); | |
9902 | tcg_gen_shli_tl(t1, t1, 2); | |
9903 | gen_op_addr_add(ctx, t0, t1, t0); | |
9904 | } | |
9905 | ||
9906 | save_cpu_state(ctx, 0); | |
5c13fdfd | 9907 | op_ld_lw(t1, t0, ctx); |
3c824109 NF |
9908 | gen_store_gpr(t1, rd); |
9909 | ||
9910 | tcg_temp_free(t0); | |
9911 | tcg_temp_free(t1); | |
9912 | } | |
9913 | ||
9914 | static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd, | |
9915 | int base, int16_t offset) | |
9916 | { | |
9917 | const char *opn = "ldst_pair"; | |
9918 | TCGv t0, t1; | |
9919 | ||
9920 | if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31 || rd == base) { | |
9921 | generate_exception(ctx, EXCP_RI); | |
d796321b FB |
9922 | return; |
9923 | } | |
9924 | ||
3c824109 NF |
9925 | t0 = tcg_temp_new(); |
9926 | t1 = tcg_temp_new(); | |
8e9ade68 | 9927 | |
3c824109 NF |
9928 | gen_base_offset_addr(ctx, t0, base, offset); |
9929 | ||
9930 | switch (opc) { | |
9931 | case LWP: | |
9932 | save_cpu_state(ctx, 0); | |
5c13fdfd | 9933 | op_ld_lw(t1, t0, ctx); |
3c824109 NF |
9934 | gen_store_gpr(t1, rd); |
9935 | tcg_gen_movi_tl(t1, 4); | |
9936 | gen_op_addr_add(ctx, t0, t0, t1); | |
5c13fdfd | 9937 | op_ld_lw(t1, t0, ctx); |
3c824109 NF |
9938 | gen_store_gpr(t1, rd+1); |
9939 | opn = "lwp"; | |
9940 | break; | |
9941 | case SWP: | |
9942 | save_cpu_state(ctx, 1); | |
9943 | gen_load_gpr(t1, rd); | |
5c13fdfd | 9944 | op_st_sw(t1, t0, ctx); |
3c824109 NF |
9945 | tcg_gen_movi_tl(t1, 4); |
9946 | gen_op_addr_add(ctx, t0, t0, t1); | |
9947 | gen_load_gpr(t1, rd+1); | |
5c13fdfd | 9948 | op_st_sw(t1, t0, ctx); |
3c824109 NF |
9949 | opn = "swp"; |
9950 | break; | |
9951 | #ifdef TARGET_MIPS64 | |
9952 | case LDP: | |
9953 | save_cpu_state(ctx, 0); | |
5c13fdfd | 9954 | op_ld_ld(t1, t0, ctx); |
3c824109 NF |
9955 | gen_store_gpr(t1, rd); |
9956 | tcg_gen_movi_tl(t1, 8); | |
9957 | gen_op_addr_add(ctx, t0, t0, t1); | |
5c13fdfd | 9958 | op_ld_ld(t1, t0, ctx); |
3c824109 NF |
9959 | gen_store_gpr(t1, rd+1); |
9960 | opn = "ldp"; | |
9961 | break; | |
9962 | case SDP: | |
9963 | save_cpu_state(ctx, 1); | |
9964 | gen_load_gpr(t1, rd); | |
5c13fdfd | 9965 | op_st_sd(t1, t0, ctx); |
3c824109 NF |
9966 | tcg_gen_movi_tl(t1, 8); |
9967 | gen_op_addr_add(ctx, t0, t0, t1); | |
9968 | gen_load_gpr(t1, rd+1); | |
5c13fdfd | 9969 | op_st_sd(t1, t0, ctx); |
3c824109 NF |
9970 | opn = "sdp"; |
9971 | break; | |
9972 | #endif | |
6af0bf9c | 9973 | } |
3c824109 NF |
9974 | MIPS_DEBUG("%s, %s, %d(%s)", opn, regnames[rd], offset, regnames[base]); |
9975 | tcg_temp_free(t0); | |
9976 | tcg_temp_free(t1); | |
9977 | } | |
618b0fe9 | 9978 | |
3c824109 NF |
9979 | static void gen_pool32axf (CPUState *env, DisasContext *ctx, int rt, int rs, |
9980 | int *is_branch) | |
9981 | { | |
9982 | int extension = (ctx->opcode >> 6) & 0x3f; | |
9983 | int minor = (ctx->opcode >> 12) & 0xf; | |
9984 | uint32_t mips32_op; | |
9985 | ||
9986 | switch (extension) { | |
9987 | case TEQ: | |
9988 | mips32_op = OPC_TEQ; | |
9989 | goto do_trap; | |
9990 | case TGE: | |
9991 | mips32_op = OPC_TGE; | |
9992 | goto do_trap; | |
9993 | case TGEU: | |
9994 | mips32_op = OPC_TGEU; | |
9995 | goto do_trap; | |
9996 | case TLT: | |
9997 | mips32_op = OPC_TLT; | |
9998 | goto do_trap; | |
9999 | case TLTU: | |
10000 | mips32_op = OPC_TLTU; | |
10001 | goto do_trap; | |
10002 | case TNE: | |
10003 | mips32_op = OPC_TNE; | |
10004 | do_trap: | |
10005 | gen_trap(ctx, mips32_op, rs, rt, -1); | |
10006 | break; | |
10007 | #ifndef CONFIG_USER_ONLY | |
10008 | case MFC0: | |
10009 | case MFC0 + 32: | |
10010 | if (rt == 0) { | |
10011 | /* Treat as NOP. */ | |
10012 | break; | |
10013 | } | |
10014 | gen_mfc0(env, ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7); | |
10015 | break; | |
10016 | case MTC0: | |
10017 | case MTC0 + 32: | |
10018 | { | |
10019 | TCGv t0 = tcg_temp_new(); | |
618b0fe9 | 10020 | |
3c824109 NF |
10021 | gen_load_gpr(t0, rt); |
10022 | gen_mtc0(env, ctx, t0, rs, (ctx->opcode >> 11) & 0x7); | |
10023 | tcg_temp_free(t0); | |
10024 | } | |
10025 | break; | |
10026 | #endif | |
10027 | case 0x2c: | |
10028 | switch (minor) { | |
10029 | case SEB: | |
10030 | gen_bshfl(ctx, OPC_SEB, rs, rt); | |
10031 | break; | |
10032 | case SEH: | |
10033 | gen_bshfl(ctx, OPC_SEH, rs, rt); | |
10034 | break; | |
10035 | case CLO: | |
10036 | mips32_op = OPC_CLO; | |
10037 | goto do_cl; | |
10038 | case CLZ: | |
10039 | mips32_op = OPC_CLZ; | |
10040 | do_cl: | |
10041 | check_insn(env, ctx, ISA_MIPS32); | |
10042 | gen_cl(ctx, mips32_op, rt, rs); | |
10043 | break; | |
10044 | case RDHWR: | |
10045 | gen_rdhwr(env, ctx, rt, rs); | |
10046 | break; | |
10047 | case WSBH: | |
10048 | gen_bshfl(ctx, OPC_WSBH, rs, rt); | |
10049 | break; | |
10050 | case MULT: | |
10051 | mips32_op = OPC_MULT; | |
10052 | goto do_muldiv; | |
10053 | case MULTU: | |
10054 | mips32_op = OPC_MULTU; | |
10055 | goto do_muldiv; | |
10056 | case DIV: | |
10057 | mips32_op = OPC_DIV; | |
10058 | goto do_muldiv; | |
10059 | case DIVU: | |
10060 | mips32_op = OPC_DIVU; | |
10061 | goto do_muldiv; | |
10062 | case MADD: | |
10063 | mips32_op = OPC_MADD; | |
10064 | goto do_muldiv; | |
10065 | case MADDU: | |
10066 | mips32_op = OPC_MADDU; | |
10067 | goto do_muldiv; | |
10068 | case MSUB: | |
10069 | mips32_op = OPC_MSUB; | |
10070 | goto do_muldiv; | |
10071 | case MSUBU: | |
10072 | mips32_op = OPC_MSUBU; | |
10073 | do_muldiv: | |
10074 | check_insn(env, ctx, ISA_MIPS32); | |
10075 | gen_muldiv(ctx, mips32_op, rs, rt); | |
10076 | break; | |
10077 | default: | |
10078 | goto pool32axf_invalid; | |
10079 | } | |
10080 | break; | |
10081 | case 0x34: | |
10082 | switch (minor) { | |
10083 | case MFC2: | |
10084 | case MTC2: | |
10085 | case MFHC2: | |
10086 | case MTHC2: | |
10087 | case CFC2: | |
10088 | case CTC2: | |
10089 | generate_exception_err(ctx, EXCP_CpU, 2); | |
10090 | break; | |
10091 | default: | |
10092 | goto pool32axf_invalid; | |
10093 | } | |
10094 | break; | |
10095 | case 0x3c: | |
10096 | switch (minor) { | |
10097 | case JALR: | |
10098 | case JALR_HB: | |
10099 | gen_compute_branch (ctx, OPC_JALR, 4, rs, rt, 0); | |
10100 | *is_branch = 1; | |
10101 | break; | |
10102 | case JALRS: | |
10103 | case JALRS_HB: | |
10104 | gen_compute_branch (ctx, OPC_JALRS, 4, rs, rt, 0); | |
10105 | *is_branch = 1; | |
10106 | break; | |
10107 | default: | |
10108 | goto pool32axf_invalid; | |
10109 | } | |
10110 | break; | |
10111 | case 0x05: | |
10112 | switch (minor) { | |
10113 | case RDPGPR: | |
10114 | check_insn(env, ctx, ISA_MIPS32R2); | |
10115 | gen_load_srsgpr(rt, rs); | |
10116 | break; | |
10117 | case WRPGPR: | |
10118 | check_insn(env, ctx, ISA_MIPS32R2); | |
10119 | gen_store_srsgpr(rt, rs); | |
10120 | break; | |
10121 | default: | |
10122 | goto pool32axf_invalid; | |
10123 | } | |
10124 | break; | |
10125 | #ifndef CONFIG_USER_ONLY | |
10126 | case 0x0d: | |
10127 | switch (minor) { | |
10128 | case TLBP: | |
10129 | mips32_op = OPC_TLBP; | |
10130 | goto do_cp0; | |
10131 | case TLBR: | |
10132 | mips32_op = OPC_TLBR; | |
10133 | goto do_cp0; | |
10134 | case TLBWI: | |
10135 | mips32_op = OPC_TLBWI; | |
10136 | goto do_cp0; | |
10137 | case TLBWR: | |
10138 | mips32_op = OPC_TLBWR; | |
10139 | goto do_cp0; | |
10140 | case WAIT: | |
10141 | mips32_op = OPC_WAIT; | |
10142 | goto do_cp0; | |
10143 | case DERET: | |
10144 | mips32_op = OPC_DERET; | |
10145 | goto do_cp0; | |
10146 | case ERET: | |
10147 | mips32_op = OPC_ERET; | |
10148 | do_cp0: | |
10149 | gen_cp0(env, ctx, mips32_op, rt, rs); | |
10150 | break; | |
10151 | default: | |
10152 | goto pool32axf_invalid; | |
10153 | } | |
10154 | break; | |
10155 | case 0x1d: | |
10156 | switch (minor) { | |
10157 | case DI: | |
10158 | { | |
10159 | TCGv t0 = tcg_temp_new(); | |
10160 | ||
10161 | save_cpu_state(ctx, 1); | |
10162 | gen_helper_di(t0); | |
10163 | gen_store_gpr(t0, rs); | |
10164 | /* Stop translation as we may have switched the execution mode */ | |
10165 | ctx->bstate = BS_STOP; | |
10166 | tcg_temp_free(t0); | |
10167 | } | |
10168 | break; | |
10169 | case EI: | |
10170 | { | |
10171 | TCGv t0 = tcg_temp_new(); | |
10172 | ||
10173 | save_cpu_state(ctx, 1); | |
10174 | gen_helper_ei(t0); | |
10175 | gen_store_gpr(t0, rs); | |
10176 | /* Stop translation as we may have switched the execution mode */ | |
10177 | ctx->bstate = BS_STOP; | |
10178 | tcg_temp_free(t0); | |
10179 | } | |
10180 | break; | |
10181 | default: | |
10182 | goto pool32axf_invalid; | |
10183 | } | |
10184 | break; | |
10185 | #endif | |
10186 | case 0x2d: | |
10187 | switch (minor) { | |
10188 | case SYNC: | |
10189 | /* NOP */ | |
10190 | break; | |
10191 | case SYSCALL: | |
10192 | generate_exception(ctx, EXCP_SYSCALL); | |
10193 | ctx->bstate = BS_STOP; | |
10194 | break; | |
10195 | case SDBBP: | |
10196 | check_insn(env, ctx, ISA_MIPS32); | |
10197 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { | |
10198 | generate_exception(ctx, EXCP_DBp); | |
10199 | } else { | |
10200 | generate_exception(ctx, EXCP_DBp); | |
10201 | } | |
10202 | break; | |
10203 | default: | |
10204 | goto pool32axf_invalid; | |
10205 | } | |
10206 | break; | |
10207 | case 0x35: | |
10208 | switch (minor) { | |
10209 | case MFHI32: | |
10210 | gen_HILO(ctx, OPC_MFHI, rs); | |
10211 | break; | |
10212 | case MFLO32: | |
10213 | gen_HILO(ctx, OPC_MFLO, rs); | |
10214 | break; | |
10215 | case MTHI32: | |
10216 | gen_HILO(ctx, OPC_MTHI, rs); | |
10217 | break; | |
10218 | case MTLO32: | |
10219 | gen_HILO(ctx, OPC_MTLO, rs); | |
10220 | break; | |
10221 | default: | |
10222 | goto pool32axf_invalid; | |
10223 | } | |
10224 | break; | |
10225 | default: | |
10226 | pool32axf_invalid: | |
10227 | MIPS_INVAL("pool32axf"); | |
10228 | generate_exception(ctx, EXCP_RI); | |
10229 | break; | |
10230 | } | |
10231 | } | |
10232 | ||
10233 | /* Values for microMIPS fmt field. Variable-width, depending on which | |
10234 | formats the instruction supports. */ | |
10235 | ||
10236 | enum { | |
10237 | FMT_SD_S = 0, | |
10238 | FMT_SD_D = 1, | |
10239 | ||
10240 | FMT_SDPS_S = 0, | |
10241 | FMT_SDPS_D = 1, | |
10242 | FMT_SDPS_PS = 2, | |
10243 | ||
10244 | FMT_SWL_S = 0, | |
10245 | FMT_SWL_W = 1, | |
10246 | FMT_SWL_L = 2, | |
10247 | ||
10248 | FMT_DWL_D = 0, | |
10249 | FMT_DWL_W = 1, | |
10250 | FMT_DWL_L = 2 | |
10251 | }; | |
10252 | ||
10253 | static void gen_pool32fxf (CPUState *env, DisasContext *ctx, int rt, int rs) | |
10254 | { | |
10255 | int extension = (ctx->opcode >> 6) & 0x3ff; | |
10256 | uint32_t mips32_op; | |
10257 | ||
10258 | #define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc | |
10259 | #define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc | |
10260 | #define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc | |
10261 | ||
10262 | switch (extension) { | |
10263 | case FLOAT_1BIT_FMT(CFC1, 0): | |
10264 | mips32_op = OPC_CFC1; | |
10265 | goto do_cp1; | |
10266 | case FLOAT_1BIT_FMT(CTC1, 0): | |
10267 | mips32_op = OPC_CTC1; | |
10268 | goto do_cp1; | |
10269 | case FLOAT_1BIT_FMT(MFC1, 0): | |
10270 | mips32_op = OPC_MFC1; | |
10271 | goto do_cp1; | |
10272 | case FLOAT_1BIT_FMT(MTC1, 0): | |
10273 | mips32_op = OPC_MTC1; | |
10274 | goto do_cp1; | |
10275 | case FLOAT_1BIT_FMT(MFHC1, 0): | |
10276 | mips32_op = OPC_MFHC1; | |
10277 | goto do_cp1; | |
10278 | case FLOAT_1BIT_FMT(MTHC1, 0): | |
10279 | mips32_op = OPC_MTHC1; | |
10280 | do_cp1: | |
10281 | gen_cp1(ctx, mips32_op, rt, rs); | |
10282 | break; | |
10283 | ||
10284 | /* Reciprocal square root */ | |
10285 | case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S): | |
10286 | mips32_op = OPC_RSQRT_S; | |
10287 | goto do_unaryfp; | |
10288 | case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D): | |
10289 | mips32_op = OPC_RSQRT_D; | |
10290 | goto do_unaryfp; | |
10291 | ||
10292 | /* Square root */ | |
10293 | case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S): | |
10294 | mips32_op = OPC_SQRT_S; | |
10295 | goto do_unaryfp; | |
10296 | case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D): | |
10297 | mips32_op = OPC_SQRT_D; | |
10298 | goto do_unaryfp; | |
10299 | ||
10300 | /* Reciprocal */ | |
10301 | case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S): | |
10302 | mips32_op = OPC_RECIP_S; | |
10303 | goto do_unaryfp; | |
10304 | case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D): | |
10305 | mips32_op = OPC_RECIP_D; | |
10306 | goto do_unaryfp; | |
10307 | ||
10308 | /* Floor */ | |
10309 | case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S): | |
10310 | mips32_op = OPC_FLOOR_L_S; | |
10311 | goto do_unaryfp; | |
10312 | case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D): | |
10313 | mips32_op = OPC_FLOOR_L_D; | |
10314 | goto do_unaryfp; | |
10315 | case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S): | |
10316 | mips32_op = OPC_FLOOR_W_S; | |
10317 | goto do_unaryfp; | |
10318 | case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D): | |
10319 | mips32_op = OPC_FLOOR_W_D; | |
10320 | goto do_unaryfp; | |
10321 | ||
10322 | /* Ceiling */ | |
10323 | case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S): | |
10324 | mips32_op = OPC_CEIL_L_S; | |
10325 | goto do_unaryfp; | |
10326 | case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D): | |
10327 | mips32_op = OPC_CEIL_L_D; | |
10328 | goto do_unaryfp; | |
10329 | case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S): | |
10330 | mips32_op = OPC_CEIL_W_S; | |
10331 | goto do_unaryfp; | |
10332 | case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D): | |
10333 | mips32_op = OPC_CEIL_W_D; | |
10334 | goto do_unaryfp; | |
10335 | ||
10336 | /* Truncation */ | |
10337 | case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S): | |
10338 | mips32_op = OPC_TRUNC_L_S; | |
10339 | goto do_unaryfp; | |
10340 | case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D): | |
10341 | mips32_op = OPC_TRUNC_L_D; | |
10342 | goto do_unaryfp; | |
10343 | case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S): | |
10344 | mips32_op = OPC_TRUNC_W_S; | |
10345 | goto do_unaryfp; | |
10346 | case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D): | |
10347 | mips32_op = OPC_TRUNC_W_D; | |
10348 | goto do_unaryfp; | |
10349 | ||
10350 | /* Round */ | |
10351 | case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S): | |
10352 | mips32_op = OPC_ROUND_L_S; | |
10353 | goto do_unaryfp; | |
10354 | case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D): | |
10355 | mips32_op = OPC_ROUND_L_D; | |
10356 | goto do_unaryfp; | |
10357 | case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S): | |
10358 | mips32_op = OPC_ROUND_W_S; | |
10359 | goto do_unaryfp; | |
10360 | case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D): | |
10361 | mips32_op = OPC_ROUND_W_D; | |
10362 | goto do_unaryfp; | |
10363 | ||
10364 | /* Integer to floating-point conversion */ | |
10365 | case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S): | |
10366 | mips32_op = OPC_CVT_L_S; | |
10367 | goto do_unaryfp; | |
10368 | case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D): | |
10369 | mips32_op = OPC_CVT_L_D; | |
10370 | goto do_unaryfp; | |
10371 | case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S): | |
10372 | mips32_op = OPC_CVT_W_S; | |
10373 | goto do_unaryfp; | |
10374 | case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D): | |
10375 | mips32_op = OPC_CVT_W_D; | |
10376 | goto do_unaryfp; | |
10377 | ||
10378 | /* Paired-foo conversions */ | |
10379 | case FLOAT_1BIT_FMT(CVT_S_PL, 0): | |
10380 | mips32_op = OPC_CVT_S_PL; | |
10381 | goto do_unaryfp; | |
10382 | case FLOAT_1BIT_FMT(CVT_S_PU, 0): | |
10383 | mips32_op = OPC_CVT_S_PU; | |
10384 | goto do_unaryfp; | |
10385 | case FLOAT_1BIT_FMT(CVT_PW_PS, 0): | |
10386 | mips32_op = OPC_CVT_PW_PS; | |
10387 | goto do_unaryfp; | |
10388 | case FLOAT_1BIT_FMT(CVT_PS_PW, 0): | |
10389 | mips32_op = OPC_CVT_PS_PW; | |
10390 | goto do_unaryfp; | |
10391 | ||
10392 | /* Floating-point moves */ | |
10393 | case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S): | |
10394 | mips32_op = OPC_MOV_S; | |
10395 | goto do_unaryfp; | |
10396 | case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D): | |
10397 | mips32_op = OPC_MOV_D; | |
10398 | goto do_unaryfp; | |
10399 | case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS): | |
10400 | mips32_op = OPC_MOV_PS; | |
10401 | goto do_unaryfp; | |
10402 | ||
10403 | /* Absolute value */ | |
10404 | case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S): | |
10405 | mips32_op = OPC_ABS_S; | |
10406 | goto do_unaryfp; | |
10407 | case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D): | |
10408 | mips32_op = OPC_ABS_D; | |
10409 | goto do_unaryfp; | |
10410 | case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS): | |
10411 | mips32_op = OPC_ABS_PS; | |
10412 | goto do_unaryfp; | |
10413 | ||
10414 | /* Negation */ | |
10415 | case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S): | |
10416 | mips32_op = OPC_NEG_S; | |
10417 | goto do_unaryfp; | |
10418 | case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D): | |
10419 | mips32_op = OPC_NEG_D; | |
10420 | goto do_unaryfp; | |
10421 | case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS): | |
10422 | mips32_op = OPC_NEG_PS; | |
10423 | goto do_unaryfp; | |
10424 | ||
10425 | /* Reciprocal square root step */ | |
10426 | case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S): | |
10427 | mips32_op = OPC_RSQRT1_S; | |
10428 | goto do_unaryfp; | |
10429 | case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D): | |
10430 | mips32_op = OPC_RSQRT1_D; | |
10431 | goto do_unaryfp; | |
10432 | case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS): | |
10433 | mips32_op = OPC_RSQRT1_PS; | |
10434 | goto do_unaryfp; | |
10435 | ||
10436 | /* Reciprocal step */ | |
10437 | case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S): | |
10438 | mips32_op = OPC_RECIP1_S; | |
10439 | goto do_unaryfp; | |
10440 | case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D): | |
10441 | mips32_op = OPC_RECIP1_S; | |
10442 | goto do_unaryfp; | |
10443 | case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS): | |
10444 | mips32_op = OPC_RECIP1_PS; | |
10445 | goto do_unaryfp; | |
10446 | ||
10447 | /* Conversions from double */ | |
10448 | case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S): | |
10449 | mips32_op = OPC_CVT_D_S; | |
10450 | goto do_unaryfp; | |
10451 | case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W): | |
10452 | mips32_op = OPC_CVT_D_W; | |
10453 | goto do_unaryfp; | |
10454 | case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L): | |
10455 | mips32_op = OPC_CVT_D_L; | |
10456 | goto do_unaryfp; | |
10457 | ||
10458 | /* Conversions from single */ | |
10459 | case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D): | |
10460 | mips32_op = OPC_CVT_S_D; | |
10461 | goto do_unaryfp; | |
10462 | case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W): | |
10463 | mips32_op = OPC_CVT_S_W; | |
10464 | goto do_unaryfp; | |
10465 | case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L): | |
10466 | mips32_op = OPC_CVT_S_L; | |
10467 | do_unaryfp: | |
10468 | gen_farith(ctx, mips32_op, -1, rs, rt, 0); | |
10469 | break; | |
10470 | ||
10471 | /* Conditional moves on floating-point codes */ | |
10472 | case COND_FLOAT_MOV(MOVT, 0): | |
10473 | case COND_FLOAT_MOV(MOVT, 1): | |
10474 | case COND_FLOAT_MOV(MOVT, 2): | |
10475 | case COND_FLOAT_MOV(MOVT, 3): | |
10476 | case COND_FLOAT_MOV(MOVT, 4): | |
10477 | case COND_FLOAT_MOV(MOVT, 5): | |
10478 | case COND_FLOAT_MOV(MOVT, 6): | |
10479 | case COND_FLOAT_MOV(MOVT, 7): | |
10480 | gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1); | |
10481 | break; | |
10482 | case COND_FLOAT_MOV(MOVF, 0): | |
10483 | case COND_FLOAT_MOV(MOVF, 1): | |
10484 | case COND_FLOAT_MOV(MOVF, 2): | |
10485 | case COND_FLOAT_MOV(MOVF, 3): | |
10486 | case COND_FLOAT_MOV(MOVF, 4): | |
10487 | case COND_FLOAT_MOV(MOVF, 5): | |
10488 | case COND_FLOAT_MOV(MOVF, 6): | |
10489 | case COND_FLOAT_MOV(MOVF, 7): | |
10490 | gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0); | |
10491 | break; | |
10492 | default: | |
10493 | MIPS_INVAL("pool32fxf"); | |
10494 | generate_exception(ctx, EXCP_RI); | |
10495 | break; | |
10496 | } | |
10497 | } | |
10498 | ||
10499 | static void decode_micromips32_opc (CPUState *env, DisasContext *ctx, | |
10500 | uint16_t insn_hw1, int *is_branch) | |
10501 | { | |
10502 | int32_t offset; | |
10503 | uint16_t insn; | |
10504 | int rt, rs, rd, rr; | |
10505 | int16_t imm; | |
10506 | uint32_t op, minor, mips32_op; | |
10507 | uint32_t cond, fmt, cc; | |
10508 | ||
10509 | insn = lduw_code(ctx->pc + 2); | |
10510 | ctx->opcode = (ctx->opcode << 16) | insn; | |
10511 | ||
10512 | rt = (ctx->opcode >> 21) & 0x1f; | |
10513 | rs = (ctx->opcode >> 16) & 0x1f; | |
10514 | rd = (ctx->opcode >> 11) & 0x1f; | |
10515 | rr = (ctx->opcode >> 6) & 0x1f; | |
10516 | imm = (int16_t) ctx->opcode; | |
10517 | ||
10518 | op = (ctx->opcode >> 26) & 0x3f; | |
10519 | switch (op) { | |
10520 | case POOL32A: | |
10521 | minor = ctx->opcode & 0x3f; | |
10522 | switch (minor) { | |
10523 | case 0x00: | |
10524 | minor = (ctx->opcode >> 6) & 0xf; | |
10525 | switch (minor) { | |
10526 | case SLL32: | |
10527 | mips32_op = OPC_SLL; | |
10528 | goto do_shifti; | |
10529 | case SRA: | |
10530 | mips32_op = OPC_SRA; | |
10531 | goto do_shifti; | |
10532 | case SRL32: | |
10533 | mips32_op = OPC_SRL; | |
10534 | goto do_shifti; | |
10535 | case ROTR: | |
10536 | mips32_op = OPC_ROTR; | |
10537 | do_shifti: | |
10538 | gen_shift_imm(env, ctx, mips32_op, rt, rs, rd); | |
10539 | break; | |
10540 | default: | |
10541 | goto pool32a_invalid; | |
10542 | } | |
10543 | break; | |
10544 | case 0x10: | |
10545 | minor = (ctx->opcode >> 6) & 0xf; | |
10546 | switch (minor) { | |
10547 | /* Arithmetic */ | |
10548 | case ADD: | |
10549 | mips32_op = OPC_ADD; | |
10550 | goto do_arith; | |
10551 | case ADDU32: | |
10552 | mips32_op = OPC_ADDU; | |
10553 | goto do_arith; | |
10554 | case SUB: | |
10555 | mips32_op = OPC_SUB; | |
10556 | goto do_arith; | |
10557 | case SUBU32: | |
10558 | mips32_op = OPC_SUBU; | |
10559 | goto do_arith; | |
10560 | case MUL: | |
10561 | mips32_op = OPC_MUL; | |
10562 | do_arith: | |
10563 | gen_arith(env, ctx, mips32_op, rd, rs, rt); | |
10564 | break; | |
10565 | /* Shifts */ | |
10566 | case SLLV: | |
10567 | mips32_op = OPC_SLLV; | |
10568 | goto do_shift; | |
10569 | case SRLV: | |
10570 | mips32_op = OPC_SRLV; | |
10571 | goto do_shift; | |
10572 | case SRAV: | |
10573 | mips32_op = OPC_SRAV; | |
10574 | goto do_shift; | |
10575 | case ROTRV: | |
10576 | mips32_op = OPC_ROTRV; | |
10577 | do_shift: | |
10578 | gen_shift(env, ctx, mips32_op, rd, rs, rt); | |
10579 | break; | |
10580 | /* Logical operations */ | |
10581 | case AND: | |
10582 | mips32_op = OPC_AND; | |
10583 | goto do_logic; | |
10584 | case OR32: | |
10585 | mips32_op = OPC_OR; | |
10586 | goto do_logic; | |
10587 | case NOR: | |
10588 | mips32_op = OPC_NOR; | |
10589 | goto do_logic; | |
10590 | case XOR32: | |
10591 | mips32_op = OPC_XOR; | |
10592 | do_logic: | |
10593 | gen_logic(env, mips32_op, rd, rs, rt); | |
10594 | break; | |
10595 | /* Set less than */ | |
10596 | case SLT: | |
10597 | mips32_op = OPC_SLT; | |
10598 | goto do_slt; | |
10599 | case SLTU: | |
10600 | mips32_op = OPC_SLTU; | |
10601 | do_slt: | |
10602 | gen_slt(env, mips32_op, rd, rs, rt); | |
10603 | break; | |
10604 | default: | |
10605 | goto pool32a_invalid; | |
10606 | } | |
10607 | break; | |
10608 | case 0x18: | |
10609 | minor = (ctx->opcode >> 6) & 0xf; | |
10610 | switch (minor) { | |
10611 | /* Conditional moves */ | |
10612 | case MOVN: | |
10613 | mips32_op = OPC_MOVN; | |
10614 | goto do_cmov; | |
10615 | case MOVZ: | |
10616 | mips32_op = OPC_MOVZ; | |
10617 | do_cmov: | |
10618 | gen_cond_move(env, mips32_op, rd, rs, rt); | |
10619 | break; | |
10620 | case LWXS: | |
10621 | gen_ldxs(ctx, rs, rt, rd); | |
10622 | break; | |
10623 | default: | |
10624 | goto pool32a_invalid; | |
10625 | } | |
10626 | break; | |
10627 | case INS: | |
10628 | gen_bitops(ctx, OPC_INS, rt, rs, rr, rd); | |
10629 | return; | |
10630 | case EXT: | |
10631 | gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd); | |
10632 | return; | |
10633 | case POOL32AXF: | |
10634 | gen_pool32axf(env, ctx, rt, rs, is_branch); | |
10635 | break; | |
10636 | case 0x07: | |
10637 | generate_exception(ctx, EXCP_BREAK); | |
10638 | break; | |
10639 | default: | |
10640 | pool32a_invalid: | |
10641 | MIPS_INVAL("pool32a"); | |
10642 | generate_exception(ctx, EXCP_RI); | |
10643 | break; | |
10644 | } | |
10645 | break; | |
10646 | case POOL32B: | |
10647 | minor = (ctx->opcode >> 12) & 0xf; | |
10648 | switch (minor) { | |
10649 | case CACHE: | |
10650 | /* Treat as no-op. */ | |
10651 | break; | |
10652 | case LWC2: | |
10653 | case SWC2: | |
10654 | /* COP2: Not implemented. */ | |
10655 | generate_exception_err(ctx, EXCP_CpU, 2); | |
10656 | break; | |
10657 | case LWP: | |
10658 | case SWP: | |
10659 | #ifdef TARGET_MIPS64 | |
10660 | case LDP: | |
10661 | case SDP: | |
10662 | #endif | |
10663 | gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); | |
10664 | break; | |
10665 | case LWM32: | |
10666 | case SWM32: | |
10667 | #ifdef TARGET_MIPS64 | |
10668 | case LDM: | |
10669 | case SDM: | |
10670 | #endif | |
10671 | gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); | |
10672 | break; | |
10673 | default: | |
10674 | MIPS_INVAL("pool32b"); | |
10675 | generate_exception(ctx, EXCP_RI); | |
10676 | break; | |
10677 | } | |
10678 | break; | |
10679 | case POOL32F: | |
10680 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { | |
10681 | minor = ctx->opcode & 0x3f; | |
10682 | check_cp1_enabled(ctx); | |
10683 | switch (minor) { | |
10684 | case ALNV_PS: | |
10685 | mips32_op = OPC_ALNV_PS; | |
10686 | goto do_madd; | |
10687 | case MADD_S: | |
10688 | mips32_op = OPC_MADD_S; | |
10689 | goto do_madd; | |
10690 | case MADD_D: | |
10691 | mips32_op = OPC_MADD_D; | |
10692 | goto do_madd; | |
10693 | case MADD_PS: | |
10694 | mips32_op = OPC_MADD_PS; | |
10695 | goto do_madd; | |
10696 | case MSUB_S: | |
10697 | mips32_op = OPC_MSUB_S; | |
10698 | goto do_madd; | |
10699 | case MSUB_D: | |
10700 | mips32_op = OPC_MSUB_D; | |
10701 | goto do_madd; | |
10702 | case MSUB_PS: | |
10703 | mips32_op = OPC_MSUB_PS; | |
10704 | goto do_madd; | |
10705 | case NMADD_S: | |
10706 | mips32_op = OPC_NMADD_S; | |
10707 | goto do_madd; | |
10708 | case NMADD_D: | |
10709 | mips32_op = OPC_NMADD_D; | |
10710 | goto do_madd; | |
10711 | case NMADD_PS: | |
10712 | mips32_op = OPC_NMADD_PS; | |
10713 | goto do_madd; | |
10714 | case NMSUB_S: | |
10715 | mips32_op = OPC_NMSUB_S; | |
10716 | goto do_madd; | |
10717 | case NMSUB_D: | |
10718 | mips32_op = OPC_NMSUB_D; | |
10719 | goto do_madd; | |
10720 | case NMSUB_PS: | |
10721 | mips32_op = OPC_NMSUB_PS; | |
10722 | do_madd: | |
10723 | gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt); | |
10724 | break; | |
10725 | case CABS_COND_FMT: | |
10726 | cond = (ctx->opcode >> 6) & 0xf; | |
10727 | cc = (ctx->opcode >> 13) & 0x7; | |
10728 | fmt = (ctx->opcode >> 10) & 0x3; | |
10729 | switch (fmt) { | |
10730 | case 0x0: | |
10731 | gen_cmpabs_s(ctx, cond, rt, rs, cc); | |
10732 | break; | |
10733 | case 0x1: | |
10734 | gen_cmpabs_d(ctx, cond, rt, rs, cc); | |
10735 | break; | |
10736 | case 0x2: | |
10737 | gen_cmpabs_ps(ctx, cond, rt, rs, cc); | |
10738 | break; | |
10739 | default: | |
10740 | goto pool32f_invalid; | |
10741 | } | |
10742 | break; | |
10743 | case C_COND_FMT: | |
10744 | cond = (ctx->opcode >> 6) & 0xf; | |
10745 | cc = (ctx->opcode >> 13) & 0x7; | |
10746 | fmt = (ctx->opcode >> 10) & 0x3; | |
10747 | switch (fmt) { | |
10748 | case 0x0: | |
10749 | gen_cmp_s(ctx, cond, rt, rs, cc); | |
10750 | break; | |
10751 | case 0x1: | |
10752 | gen_cmp_d(ctx, cond, rt, rs, cc); | |
10753 | break; | |
10754 | case 0x2: | |
10755 | gen_cmp_ps(ctx, cond, rt, rs, cc); | |
10756 | break; | |
10757 | default: | |
10758 | goto pool32f_invalid; | |
10759 | } | |
10760 | break; | |
10761 | case POOL32FXF: | |
10762 | gen_pool32fxf(env, ctx, rt, rs); | |
10763 | break; | |
10764 | case 0x00: | |
10765 | /* PLL foo */ | |
10766 | switch ((ctx->opcode >> 6) & 0x7) { | |
10767 | case PLL_PS: | |
10768 | mips32_op = OPC_PLL_PS; | |
10769 | goto do_ps; | |
10770 | case PLU_PS: | |
10771 | mips32_op = OPC_PLU_PS; | |
10772 | goto do_ps; | |
10773 | case PUL_PS: | |
10774 | mips32_op = OPC_PUL_PS; | |
10775 | goto do_ps; | |
10776 | case PUU_PS: | |
10777 | mips32_op = OPC_PUU_PS; | |
10778 | goto do_ps; | |
10779 | case CVT_PS_S: | |
10780 | mips32_op = OPC_CVT_PS_S; | |
10781 | do_ps: | |
10782 | gen_farith(ctx, mips32_op, rt, rs, rd, 0); | |
10783 | break; | |
10784 | default: | |
10785 | goto pool32f_invalid; | |
10786 | } | |
10787 | break; | |
10788 | case 0x08: | |
10789 | /* [LS][WDU]XC1 */ | |
10790 | switch ((ctx->opcode >> 6) & 0x7) { | |
10791 | case LWXC1: | |
10792 | mips32_op = OPC_LWXC1; | |
10793 | goto do_ldst_cp1; | |
10794 | case SWXC1: | |
10795 | mips32_op = OPC_SWXC1; | |
10796 | goto do_ldst_cp1; | |
10797 | case LDXC1: | |
10798 | mips32_op = OPC_LDXC1; | |
10799 | goto do_ldst_cp1; | |
10800 | case SDXC1: | |
10801 | mips32_op = OPC_SDXC1; | |
10802 | goto do_ldst_cp1; | |
10803 | case LUXC1: | |
10804 | mips32_op = OPC_LUXC1; | |
10805 | goto do_ldst_cp1; | |
10806 | case SUXC1: | |
10807 | mips32_op = OPC_SUXC1; | |
10808 | do_ldst_cp1: | |
10809 | gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs); | |
10810 | break; | |
10811 | default: | |
10812 | goto pool32f_invalid; | |
10813 | } | |
10814 | break; | |
10815 | case 0x18: | |
10816 | /* 3D insns */ | |
10817 | fmt = (ctx->opcode >> 9) & 0x3; | |
10818 | switch ((ctx->opcode >> 6) & 0x7) { | |
10819 | case RSQRT2_FMT: | |
10820 | switch (fmt) { | |
10821 | case FMT_SDPS_S: | |
10822 | mips32_op = OPC_RSQRT2_S; | |
10823 | goto do_3d; | |
10824 | case FMT_SDPS_D: | |
10825 | mips32_op = OPC_RSQRT2_D; | |
10826 | goto do_3d; | |
10827 | case FMT_SDPS_PS: | |
10828 | mips32_op = OPC_RSQRT2_PS; | |
10829 | goto do_3d; | |
10830 | default: | |
10831 | goto pool32f_invalid; | |
10832 | } | |
10833 | break; | |
10834 | case RECIP2_FMT: | |
10835 | switch (fmt) { | |
10836 | case FMT_SDPS_S: | |
10837 | mips32_op = OPC_RECIP2_S; | |
10838 | goto do_3d; | |
10839 | case FMT_SDPS_D: | |
10840 | mips32_op = OPC_RECIP2_D; | |
10841 | goto do_3d; | |
10842 | case FMT_SDPS_PS: | |
10843 | mips32_op = OPC_RECIP2_PS; | |
10844 | goto do_3d; | |
10845 | default: | |
10846 | goto pool32f_invalid; | |
10847 | } | |
10848 | break; | |
10849 | case ADDR_PS: | |
10850 | mips32_op = OPC_ADDR_PS; | |
10851 | goto do_3d; | |
10852 | case MULR_PS: | |
10853 | mips32_op = OPC_MULR_PS; | |
10854 | do_3d: | |
10855 | gen_farith(ctx, mips32_op, rt, rs, rd, 0); | |
10856 | break; | |
10857 | default: | |
10858 | goto pool32f_invalid; | |
10859 | } | |
10860 | break; | |
10861 | case 0x20: | |
10862 | /* MOV[FT].fmt and PREFX */ | |
10863 | cc = (ctx->opcode >> 13) & 0x7; | |
10864 | fmt = (ctx->opcode >> 9) & 0x3; | |
10865 | switch ((ctx->opcode >> 6) & 0x7) { | |
10866 | case MOVF_FMT: | |
10867 | switch (fmt) { | |
10868 | case FMT_SDPS_S: | |
10869 | gen_movcf_s(rs, rt, cc, 0); | |
10870 | break; | |
10871 | case FMT_SDPS_D: | |
10872 | gen_movcf_d(ctx, rs, rt, cc, 0); | |
10873 | break; | |
10874 | case FMT_SDPS_PS: | |
10875 | gen_movcf_ps(rs, rt, cc, 0); | |
10876 | break; | |
10877 | default: | |
10878 | goto pool32f_invalid; | |
10879 | } | |
10880 | break; | |
10881 | case MOVT_FMT: | |
10882 | switch (fmt) { | |
10883 | case FMT_SDPS_S: | |
10884 | gen_movcf_s(rs, rt, cc, 1); | |
10885 | break; | |
10886 | case FMT_SDPS_D: | |
10887 | gen_movcf_d(ctx, rs, rt, cc, 1); | |
10888 | break; | |
10889 | case FMT_SDPS_PS: | |
10890 | gen_movcf_ps(rs, rt, cc, 1); | |
10891 | break; | |
10892 | default: | |
10893 | goto pool32f_invalid; | |
10894 | } | |
10895 | break; | |
10896 | case PREFX: | |
10897 | break; | |
10898 | default: | |
10899 | goto pool32f_invalid; | |
10900 | } | |
10901 | break; | |
10902 | #define FINSN_3ARG_SDPS(prfx) \ | |
10903 | switch ((ctx->opcode >> 8) & 0x3) { \ | |
10904 | case FMT_SDPS_S: \ | |
10905 | mips32_op = OPC_##prfx##_S; \ | |
10906 | goto do_fpop; \ | |
10907 | case FMT_SDPS_D: \ | |
10908 | mips32_op = OPC_##prfx##_D; \ | |
10909 | goto do_fpop; \ | |
10910 | case FMT_SDPS_PS: \ | |
10911 | mips32_op = OPC_##prfx##_PS; \ | |
10912 | goto do_fpop; \ | |
10913 | default: \ | |
10914 | goto pool32f_invalid; \ | |
10915 | } | |
10916 | case 0x30: | |
10917 | /* regular FP ops */ | |
10918 | switch ((ctx->opcode >> 6) & 0x3) { | |
10919 | case ADD_FMT: | |
10920 | FINSN_3ARG_SDPS(ADD); | |
10921 | break; | |
10922 | case SUB_FMT: | |
10923 | FINSN_3ARG_SDPS(SUB); | |
10924 | break; | |
10925 | case MUL_FMT: | |
10926 | FINSN_3ARG_SDPS(MUL); | |
10927 | break; | |
10928 | case DIV_FMT: | |
10929 | fmt = (ctx->opcode >> 8) & 0x3; | |
10930 | if (fmt == 1) { | |
10931 | mips32_op = OPC_DIV_D; | |
10932 | } else if (fmt == 0) { | |
10933 | mips32_op = OPC_DIV_S; | |
10934 | } else { | |
10935 | goto pool32f_invalid; | |
10936 | } | |
10937 | goto do_fpop; | |
10938 | default: | |
10939 | goto pool32f_invalid; | |
10940 | } | |
10941 | break; | |
10942 | case 0x38: | |
10943 | /* cmovs */ | |
10944 | switch ((ctx->opcode >> 6) & 0x3) { | |
10945 | case MOVN_FMT: | |
10946 | FINSN_3ARG_SDPS(MOVN); | |
10947 | break; | |
10948 | case MOVZ_FMT: | |
10949 | FINSN_3ARG_SDPS(MOVZ); | |
10950 | break; | |
10951 | default: | |
10952 | goto pool32f_invalid; | |
10953 | } | |
10954 | break; | |
10955 | do_fpop: | |
10956 | gen_farith(ctx, mips32_op, rt, rs, rd, 0); | |
10957 | break; | |
10958 | default: | |
10959 | pool32f_invalid: | |
10960 | MIPS_INVAL("pool32f"); | |
10961 | generate_exception(ctx, EXCP_RI); | |
10962 | break; | |
10963 | } | |
10964 | } else { | |
10965 | generate_exception_err(ctx, EXCP_CpU, 1); | |
10966 | } | |
10967 | break; | |
10968 | case POOL32I: | |
10969 | minor = (ctx->opcode >> 21) & 0x1f; | |
10970 | switch (minor) { | |
10971 | case BLTZ: | |
10972 | mips32_op = OPC_BLTZ; | |
10973 | goto do_branch; | |
10974 | case BLTZAL: | |
10975 | mips32_op = OPC_BLTZAL; | |
10976 | goto do_branch; | |
10977 | case BLTZALS: | |
10978 | mips32_op = OPC_BLTZALS; | |
10979 | goto do_branch; | |
10980 | case BGEZ: | |
10981 | mips32_op = OPC_BGEZ; | |
10982 | goto do_branch; | |
10983 | case BGEZAL: | |
10984 | mips32_op = OPC_BGEZAL; | |
10985 | goto do_branch; | |
10986 | case BGEZALS: | |
10987 | mips32_op = OPC_BGEZALS; | |
10988 | goto do_branch; | |
10989 | case BLEZ: | |
10990 | mips32_op = OPC_BLEZ; | |
10991 | goto do_branch; | |
10992 | case BGTZ: | |
10993 | mips32_op = OPC_BGTZ; | |
10994 | do_branch: | |
10995 | gen_compute_branch(ctx, mips32_op, 4, rs, -1, imm << 1); | |
10996 | *is_branch = 1; | |
10997 | break; | |
10998 | ||
10999 | /* Traps */ | |
11000 | case TLTI: | |
11001 | mips32_op = OPC_TLTI; | |
11002 | goto do_trapi; | |
11003 | case TGEI: | |
11004 | mips32_op = OPC_TGEI; | |
11005 | goto do_trapi; | |
11006 | case TLTIU: | |
11007 | mips32_op = OPC_TLTIU; | |
11008 | goto do_trapi; | |
11009 | case TGEIU: | |
11010 | mips32_op = OPC_TGEIU; | |
11011 | goto do_trapi; | |
11012 | case TNEI: | |
11013 | mips32_op = OPC_TNEI; | |
11014 | goto do_trapi; | |
11015 | case TEQI: | |
11016 | mips32_op = OPC_TEQI; | |
11017 | do_trapi: | |
11018 | gen_trap(ctx, mips32_op, rs, -1, imm); | |
11019 | break; | |
11020 | ||
11021 | case BNEZC: | |
11022 | case BEQZC: | |
11023 | gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ, | |
11024 | 4, rs, 0, imm << 1); | |
11025 | /* Compact branches don't have a delay slot, so just let | |
11026 | the normal delay slot handling take us to the branch | |
11027 | target. */ | |
11028 | break; | |
11029 | case LUI: | |
11030 | gen_logic_imm(env, OPC_LUI, rs, -1, imm); | |
11031 | break; | |
11032 | case SYNCI: | |
11033 | break; | |
11034 | case BC2F: | |
11035 | case BC2T: | |
11036 | /* COP2: Not implemented. */ | |
11037 | generate_exception_err(ctx, EXCP_CpU, 2); | |
11038 | break; | |
11039 | case BC1F: | |
11040 | mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F; | |
11041 | goto do_cp1branch; | |
11042 | case BC1T: | |
11043 | mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T; | |
11044 | goto do_cp1branch; | |
11045 | case BC1ANY4F: | |
11046 | mips32_op = OPC_BC1FANY4; | |
11047 | goto do_cp1mips3d; | |
11048 | case BC1ANY4T: | |
11049 | mips32_op = OPC_BC1TANY4; | |
11050 | do_cp1mips3d: | |
11051 | check_cop1x(ctx); | |
11052 | check_insn(env, ctx, ASE_MIPS3D); | |
11053 | /* Fall through */ | |
11054 | do_cp1branch: | |
11055 | gen_compute_branch1(env, ctx, mips32_op, | |
11056 | (ctx->opcode >> 18) & 0x7, imm << 1); | |
11057 | *is_branch = 1; | |
11058 | break; | |
11059 | case BPOSGE64: | |
11060 | case BPOSGE32: | |
11061 | /* MIPS DSP: not implemented */ | |
11062 | /* Fall through */ | |
11063 | default: | |
11064 | MIPS_INVAL("pool32i"); | |
11065 | generate_exception(ctx, EXCP_RI); | |
11066 | break; | |
11067 | } | |
11068 | break; | |
11069 | case POOL32C: | |
11070 | minor = (ctx->opcode >> 12) & 0xf; | |
11071 | switch (minor) { | |
11072 | case LWL: | |
11073 | mips32_op = OPC_LWL; | |
5c13fdfd | 11074 | goto do_ld_lr; |
3c824109 NF |
11075 | case SWL: |
11076 | mips32_op = OPC_SWL; | |
5c13fdfd | 11077 | goto do_st_lr; |
3c824109 NF |
11078 | case LWR: |
11079 | mips32_op = OPC_LWR; | |
5c13fdfd | 11080 | goto do_ld_lr; |
3c824109 NF |
11081 | case SWR: |
11082 | mips32_op = OPC_SWR; | |
5c13fdfd | 11083 | goto do_st_lr; |
3c824109 NF |
11084 | #if defined(TARGET_MIPS64) |
11085 | case LDL: | |
11086 | mips32_op = OPC_LDL; | |
5c13fdfd | 11087 | goto do_ld_lr; |
3c824109 NF |
11088 | case SDL: |
11089 | mips32_op = OPC_SDL; | |
5c13fdfd | 11090 | goto do_st_lr; |
3c824109 NF |
11091 | case LDR: |
11092 | mips32_op = OPC_LDR; | |
5c13fdfd | 11093 | goto do_ld_lr; |
3c824109 NF |
11094 | case SDR: |
11095 | mips32_op = OPC_SDR; | |
5c13fdfd | 11096 | goto do_st_lr; |
3c824109 NF |
11097 | case LWU: |
11098 | mips32_op = OPC_LWU; | |
5c13fdfd | 11099 | goto do_ld_lr; |
3c824109 NF |
11100 | case LLD: |
11101 | mips32_op = OPC_LLD; | |
5c13fdfd | 11102 | goto do_ld_lr; |
3c824109 NF |
11103 | #endif |
11104 | case LL: | |
11105 | mips32_op = OPC_LL; | |
5c13fdfd AJ |
11106 | goto do_ld_lr; |
11107 | do_ld_lr: | |
afa88c3a | 11108 | gen_ld(env, ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); |
5c13fdfd AJ |
11109 | break; |
11110 | do_st_lr: | |
11111 | gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); | |
3c824109 NF |
11112 | break; |
11113 | case SC: | |
11114 | gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12)); | |
11115 | break; | |
11116 | #if defined(TARGET_MIPS64) | |
11117 | case SCD: | |
11118 | gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12)); | |
11119 | break; | |
11120 | #endif | |
11121 | case PREF: | |
11122 | /* Treat as no-op */ | |
11123 | break; | |
11124 | default: | |
11125 | MIPS_INVAL("pool32c"); | |
11126 | generate_exception(ctx, EXCP_RI); | |
11127 | break; | |
11128 | } | |
11129 | break; | |
11130 | case ADDI32: | |
11131 | mips32_op = OPC_ADDI; | |
11132 | goto do_addi; | |
11133 | case ADDIU32: | |
11134 | mips32_op = OPC_ADDIU; | |
11135 | do_addi: | |
11136 | gen_arith_imm(env, ctx, mips32_op, rt, rs, imm); | |
11137 | break; | |
11138 | ||
11139 | /* Logical operations */ | |
11140 | case ORI32: | |
11141 | mips32_op = OPC_ORI; | |
11142 | goto do_logici; | |
11143 | case XORI32: | |
11144 | mips32_op = OPC_XORI; | |
11145 | goto do_logici; | |
11146 | case ANDI32: | |
11147 | mips32_op = OPC_ANDI; | |
11148 | do_logici: | |
11149 | gen_logic_imm(env, mips32_op, rt, rs, imm); | |
11150 | break; | |
11151 | ||
11152 | /* Set less than immediate */ | |
11153 | case SLTI32: | |
11154 | mips32_op = OPC_SLTI; | |
11155 | goto do_slti; | |
11156 | case SLTIU32: | |
11157 | mips32_op = OPC_SLTIU; | |
11158 | do_slti: | |
11159 | gen_slt_imm(env, mips32_op, rt, rs, imm); | |
11160 | break; | |
11161 | case JALX32: | |
11162 | offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; | |
11163 | gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset); | |
11164 | *is_branch = 1; | |
11165 | break; | |
11166 | case JALS32: | |
11167 | offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1; | |
11168 | gen_compute_branch(ctx, OPC_JALS, 4, rt, rs, offset); | |
11169 | *is_branch = 1; | |
11170 | break; | |
11171 | case BEQ32: | |
11172 | gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1); | |
11173 | *is_branch = 1; | |
11174 | break; | |
11175 | case BNE32: | |
11176 | gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1); | |
11177 | *is_branch = 1; | |
11178 | break; | |
11179 | case J32: | |
11180 | gen_compute_branch(ctx, OPC_J, 4, rt, rs, | |
11181 | (int32_t)(ctx->opcode & 0x3FFFFFF) << 1); | |
11182 | *is_branch = 1; | |
11183 | break; | |
11184 | case JAL32: | |
11185 | gen_compute_branch(ctx, OPC_JAL, 4, rt, rs, | |
11186 | (int32_t)(ctx->opcode & 0x3FFFFFF) << 1); | |
11187 | *is_branch = 1; | |
11188 | break; | |
11189 | /* Floating point (COP1) */ | |
11190 | case LWC132: | |
11191 | mips32_op = OPC_LWC1; | |
11192 | goto do_cop1; | |
11193 | case LDC132: | |
11194 | mips32_op = OPC_LDC1; | |
11195 | goto do_cop1; | |
11196 | case SWC132: | |
11197 | mips32_op = OPC_SWC1; | |
11198 | goto do_cop1; | |
11199 | case SDC132: | |
11200 | mips32_op = OPC_SDC1; | |
11201 | do_cop1: | |
11202 | gen_cop1_ldst(env, ctx, mips32_op, rt, rs, imm); | |
11203 | break; | |
11204 | case ADDIUPC: | |
11205 | { | |
11206 | int reg = mmreg(ZIMM(ctx->opcode, 23, 3)); | |
11207 | int offset = SIMM(ctx->opcode, 0, 23) << 2; | |
11208 | ||
11209 | gen_addiupc(ctx, reg, offset, 0, 0); | |
11210 | } | |
11211 | break; | |
11212 | /* Loads and stores */ | |
11213 | case LB32: | |
11214 | mips32_op = OPC_LB; | |
5c13fdfd | 11215 | goto do_ld; |
3c824109 NF |
11216 | case LBU32: |
11217 | mips32_op = OPC_LBU; | |
5c13fdfd | 11218 | goto do_ld; |
3c824109 NF |
11219 | case LH32: |
11220 | mips32_op = OPC_LH; | |
5c13fdfd | 11221 | goto do_ld; |
3c824109 NF |
11222 | case LHU32: |
11223 | mips32_op = OPC_LHU; | |
5c13fdfd | 11224 | goto do_ld; |
3c824109 NF |
11225 | case LW32: |
11226 | mips32_op = OPC_LW; | |
5c13fdfd | 11227 | goto do_ld; |
3c824109 NF |
11228 | #ifdef TARGET_MIPS64 |
11229 | case LD32: | |
11230 | mips32_op = OPC_LD; | |
5c13fdfd | 11231 | goto do_ld; |
3c824109 NF |
11232 | case SD32: |
11233 | mips32_op = OPC_SD; | |
5c13fdfd | 11234 | goto do_st; |
3c824109 NF |
11235 | #endif |
11236 | case SB32: | |
11237 | mips32_op = OPC_SB; | |
5c13fdfd | 11238 | goto do_st; |
3c824109 NF |
11239 | case SH32: |
11240 | mips32_op = OPC_SH; | |
5c13fdfd | 11241 | goto do_st; |
3c824109 NF |
11242 | case SW32: |
11243 | mips32_op = OPC_SW; | |
5c13fdfd AJ |
11244 | goto do_st; |
11245 | do_ld: | |
afa88c3a | 11246 | gen_ld(env, ctx, mips32_op, rt, rs, imm); |
5c13fdfd AJ |
11247 | break; |
11248 | do_st: | |
11249 | gen_st(ctx, mips32_op, rt, rs, imm); | |
3c824109 NF |
11250 | break; |
11251 | default: | |
11252 | generate_exception(ctx, EXCP_RI); | |
11253 | break; | |
11254 | } | |
11255 | } | |
11256 | ||
11257 | static int decode_micromips_opc (CPUState *env, DisasContext *ctx, int *is_branch) | |
11258 | { | |
11259 | uint32_t op; | |
11260 | ||
11261 | /* make sure instructions are on a halfword boundary */ | |
11262 | if (ctx->pc & 0x1) { | |
11263 | env->CP0_BadVAddr = ctx->pc; | |
11264 | generate_exception(ctx, EXCP_AdEL); | |
11265 | ctx->bstate = BS_STOP; | |
11266 | return 2; | |
11267 | } | |
11268 | ||
11269 | op = (ctx->opcode >> 10) & 0x3f; | |
11270 | /* Enforce properly-sized instructions in a delay slot */ | |
11271 | if (ctx->hflags & MIPS_HFLAG_BMASK) { | |
11272 | int bits = ctx->hflags & MIPS_HFLAG_BMASK_EXT; | |
11273 | ||
11274 | switch (op) { | |
11275 | case POOL32A: | |
11276 | case POOL32B: | |
11277 | case POOL32I: | |
11278 | case POOL32C: | |
11279 | case ADDI32: | |
11280 | case ADDIU32: | |
11281 | case ORI32: | |
11282 | case XORI32: | |
11283 | case SLTI32: | |
11284 | case SLTIU32: | |
11285 | case ANDI32: | |
11286 | case JALX32: | |
11287 | case LBU32: | |
11288 | case LHU32: | |
11289 | case POOL32F: | |
11290 | case JALS32: | |
11291 | case BEQ32: | |
11292 | case BNE32: | |
11293 | case J32: | |
11294 | case JAL32: | |
11295 | case SB32: | |
11296 | case SH32: | |
11297 | case POOL32S: | |
11298 | case ADDIUPC: | |
11299 | case SWC132: | |
11300 | case SDC132: | |
11301 | case SD32: | |
11302 | case SW32: | |
11303 | case LB32: | |
11304 | case LH32: | |
11305 | case DADDIU32: | |
11306 | case POOL48A: /* ??? */ | |
11307 | case LWC132: | |
11308 | case LDC132: | |
11309 | case LD32: | |
11310 | case LW32: | |
11311 | if (bits & MIPS_HFLAG_BDS16) { | |
11312 | generate_exception(ctx, EXCP_RI); | |
11313 | /* Just stop translation; the user is confused. */ | |
11314 | ctx->bstate = BS_STOP; | |
11315 | return 2; | |
11316 | } | |
11317 | break; | |
11318 | case POOL16A: | |
11319 | case POOL16B: | |
11320 | case POOL16C: | |
11321 | case LWGP16: | |
11322 | case POOL16F: | |
11323 | case LBU16: | |
11324 | case LHU16: | |
11325 | case LWSP16: | |
11326 | case LW16: | |
11327 | case SB16: | |
11328 | case SH16: | |
11329 | case SWSP16: | |
11330 | case SW16: | |
11331 | case MOVE16: | |
11332 | case ANDI16: | |
11333 | case POOL16D: | |
11334 | case POOL16E: | |
11335 | case BEQZ16: | |
11336 | case BNEZ16: | |
11337 | case B16: | |
11338 | case LI16: | |
11339 | if (bits & MIPS_HFLAG_BDS32) { | |
11340 | generate_exception(ctx, EXCP_RI); | |
11341 | /* Just stop translation; the user is confused. */ | |
11342 | ctx->bstate = BS_STOP; | |
11343 | return 2; | |
11344 | } | |
11345 | break; | |
11346 | default: | |
11347 | break; | |
11348 | } | |
11349 | } | |
11350 | switch (op) { | |
11351 | case POOL16A: | |
11352 | { | |
11353 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
11354 | int rs1 = mmreg(uMIPS_RS1(ctx->opcode)); | |
11355 | int rs2 = mmreg(uMIPS_RS2(ctx->opcode)); | |
11356 | uint32_t opc = 0; | |
11357 | ||
11358 | switch (ctx->opcode & 0x1) { | |
11359 | case ADDU16: | |
11360 | opc = OPC_ADDU; | |
11361 | break; | |
11362 | case SUBU16: | |
11363 | opc = OPC_SUBU; | |
11364 | break; | |
11365 | } | |
11366 | ||
11367 | gen_arith(env, ctx, opc, rd, rs1, rs2); | |
11368 | } | |
11369 | break; | |
11370 | case POOL16B: | |
11371 | { | |
11372 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
11373 | int rs = mmreg(uMIPS_RS(ctx->opcode)); | |
11374 | int amount = (ctx->opcode >> 1) & 0x7; | |
11375 | uint32_t opc = 0; | |
11376 | amount = amount == 0 ? 8 : amount; | |
11377 | ||
11378 | switch (ctx->opcode & 0x1) { | |
11379 | case SLL16: | |
11380 | opc = OPC_SLL; | |
11381 | break; | |
11382 | case SRL16: | |
11383 | opc = OPC_SRL; | |
11384 | break; | |
11385 | } | |
11386 | ||
11387 | gen_shift_imm(env, ctx, opc, rd, rs, amount); | |
11388 | } | |
11389 | break; | |
11390 | case POOL16C: | |
11391 | gen_pool16c_insn(env, ctx, is_branch); | |
11392 | break; | |
11393 | case LWGP16: | |
11394 | { | |
11395 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
11396 | int rb = 28; /* GP */ | |
11397 | int16_t offset = SIMM(ctx->opcode, 0, 7) << 2; | |
11398 | ||
afa88c3a | 11399 | gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
3c824109 NF |
11400 | } |
11401 | break; | |
11402 | case POOL16F: | |
11403 | if (ctx->opcode & 1) { | |
11404 | generate_exception(ctx, EXCP_RI); | |
11405 | } else { | |
11406 | /* MOVEP */ | |
11407 | int enc_dest = uMIPS_RD(ctx->opcode); | |
11408 | int enc_rt = uMIPS_RS2(ctx->opcode); | |
11409 | int enc_rs = uMIPS_RS1(ctx->opcode); | |
11410 | int rd, rs, re, rt; | |
11411 | static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 }; | |
11412 | static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 }; | |
11413 | static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 }; | |
11414 | ||
11415 | rd = rd_enc[enc_dest]; | |
11416 | re = re_enc[enc_dest]; | |
11417 | rs = rs_rt_enc[enc_rs]; | |
11418 | rt = rs_rt_enc[enc_rt]; | |
11419 | ||
11420 | gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0); | |
11421 | gen_arith_imm(env, ctx, OPC_ADDIU, re, rt, 0); | |
11422 | } | |
11423 | break; | |
11424 | case LBU16: | |
11425 | { | |
11426 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
11427 | int rb = mmreg(uMIPS_RS(ctx->opcode)); | |
11428 | int16_t offset = ZIMM(ctx->opcode, 0, 4); | |
11429 | offset = (offset == 0xf ? -1 : offset); | |
11430 | ||
afa88c3a | 11431 | gen_ld(env, ctx, OPC_LBU, rd, rb, offset); |
3c824109 NF |
11432 | } |
11433 | break; | |
11434 | case LHU16: | |
11435 | { | |
11436 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
11437 | int rb = mmreg(uMIPS_RS(ctx->opcode)); | |
11438 | int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; | |
11439 | ||
afa88c3a | 11440 | gen_ld(env, ctx, OPC_LHU, rd, rb, offset); |
3c824109 NF |
11441 | } |
11442 | break; | |
11443 | case LWSP16: | |
11444 | { | |
11445 | int rd = (ctx->opcode >> 5) & 0x1f; | |
11446 | int rb = 29; /* SP */ | |
11447 | int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; | |
11448 | ||
afa88c3a | 11449 | gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
3c824109 NF |
11450 | } |
11451 | break; | |
11452 | case LW16: | |
11453 | { | |
11454 | int rd = mmreg(uMIPS_RD(ctx->opcode)); | |
11455 | int rb = mmreg(uMIPS_RS(ctx->opcode)); | |
11456 | int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; | |
11457 | ||
afa88c3a | 11458 | gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
3c824109 NF |
11459 | } |
11460 | break; | |
11461 | case SB16: | |
11462 | { | |
11463 | int rd = mmreg2(uMIPS_RD(ctx->opcode)); | |
11464 | int rb = mmreg(uMIPS_RS(ctx->opcode)); | |
11465 | int16_t offset = ZIMM(ctx->opcode, 0, 4); | |
11466 | ||
5c13fdfd | 11467 | gen_st(ctx, OPC_SB, rd, rb, offset); |
3c824109 NF |
11468 | } |
11469 | break; | |
11470 | case SH16: | |
11471 | { | |
11472 | int rd = mmreg2(uMIPS_RD(ctx->opcode)); | |
11473 | int rb = mmreg(uMIPS_RS(ctx->opcode)); | |
11474 | int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; | |
11475 | ||
5c13fdfd | 11476 | gen_st(ctx, OPC_SH, rd, rb, offset); |
3c824109 NF |
11477 | } |
11478 | break; | |
11479 | case SWSP16: | |
11480 | { | |
11481 | int rd = (ctx->opcode >> 5) & 0x1f; | |
11482 | int rb = 29; /* SP */ | |
11483 | int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; | |
11484 | ||
5c13fdfd | 11485 | gen_st(ctx, OPC_SW, rd, rb, offset); |
3c824109 NF |
11486 | } |
11487 | break; | |
11488 | case SW16: | |
11489 | { | |
11490 | int rd = mmreg2(uMIPS_RD(ctx->opcode)); | |
11491 | int rb = mmreg(uMIPS_RS(ctx->opcode)); | |
11492 | int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; | |
11493 | ||
5c13fdfd | 11494 | gen_st(ctx, OPC_SW, rd, rb, offset); |
3c824109 NF |
11495 | } |
11496 | break; | |
11497 | case MOVE16: | |
11498 | { | |
11499 | int rd = uMIPS_RD5(ctx->opcode); | |
11500 | int rs = uMIPS_RS5(ctx->opcode); | |
11501 | ||
11502 | gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0); | |
11503 | } | |
11504 | break; | |
11505 | case ANDI16: | |
11506 | gen_andi16(env, ctx); | |
11507 | break; | |
11508 | case POOL16D: | |
11509 | switch (ctx->opcode & 0x1) { | |
11510 | case ADDIUS5: | |
11511 | gen_addius5(env, ctx); | |
11512 | break; | |
11513 | case ADDIUSP: | |
11514 | gen_addiusp(env, ctx); | |
11515 | break; | |
11516 | } | |
11517 | break; | |
11518 | case POOL16E: | |
11519 | switch (ctx->opcode & 0x1) { | |
11520 | case ADDIUR2: | |
11521 | gen_addiur2(env, ctx); | |
11522 | break; | |
11523 | case ADDIUR1SP: | |
11524 | gen_addiur1sp(env, ctx); | |
11525 | break; | |
11526 | } | |
11527 | break; | |
11528 | case B16: | |
11529 | gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, | |
11530 | SIMM(ctx->opcode, 0, 10) << 1); | |
11531 | *is_branch = 1; | |
11532 | break; | |
11533 | case BNEZ16: | |
11534 | case BEQZ16: | |
11535 | gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2, | |
11536 | mmreg(uMIPS_RD(ctx->opcode)), | |
11537 | 0, SIMM(ctx->opcode, 0, 7) << 1); | |
11538 | *is_branch = 1; | |
11539 | break; | |
11540 | case LI16: | |
11541 | { | |
11542 | int reg = mmreg(uMIPS_RD(ctx->opcode)); | |
11543 | int imm = ZIMM(ctx->opcode, 0, 7); | |
11544 | ||
11545 | imm = (imm == 0x7f ? -1 : imm); | |
11546 | tcg_gen_movi_tl(cpu_gpr[reg], imm); | |
11547 | } | |
11548 | break; | |
11549 | case RES_20: | |
11550 | case RES_28: | |
11551 | case RES_29: | |
11552 | case RES_30: | |
11553 | case RES_31: | |
11554 | case RES_38: | |
11555 | case RES_39: | |
11556 | generate_exception(ctx, EXCP_RI); | |
11557 | break; | |
11558 | default: | |
11559 | decode_micromips32_opc (env, ctx, op, is_branch); | |
11560 | return 4; | |
11561 | } | |
11562 | ||
11563 | return 2; | |
11564 | } | |
11565 | ||
11566 | /* SmartMIPS extension to MIPS32 */ | |
11567 | ||
11568 | #if defined(TARGET_MIPS64) | |
11569 | ||
11570 | /* MDMX extension to MIPS64 */ | |
11571 | ||
11572 | #endif | |
11573 | ||
11574 | static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) | |
11575 | { | |
11576 | int32_t offset; | |
11577 | int rs, rt, rd, sa; | |
11578 | uint32_t op, op1, op2; | |
11579 | int16_t imm; | |
11580 | ||
11581 | /* make sure instructions are on a word boundary */ | |
11582 | if (ctx->pc & 0x3) { | |
11583 | env->CP0_BadVAddr = ctx->pc; | |
11584 | generate_exception(ctx, EXCP_AdEL); | |
11585 | return; | |
11586 | } | |
11587 | ||
11588 | /* Handle blikely not taken case */ | |
11589 | if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) { | |
11590 | int l1 = gen_new_label(); | |
11591 | ||
11592 | MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); | |
11593 | tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); | |
11594 | tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); | |
11595 | gen_goto_tb(ctx, 1, ctx->pc + 4); | |
11596 | gen_set_label(l1); | |
11597 | } | |
11598 | ||
11599 | if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) | |
11600 | tcg_gen_debug_insn_start(ctx->pc); | |
11601 | ||
11602 | op = MASK_OP_MAJOR(ctx->opcode); | |
11603 | rs = (ctx->opcode >> 21) & 0x1f; | |
11604 | rt = (ctx->opcode >> 16) & 0x1f; | |
11605 | rd = (ctx->opcode >> 11) & 0x1f; | |
11606 | sa = (ctx->opcode >> 6) & 0x1f; | |
11607 | imm = (int16_t)ctx->opcode; | |
11608 | switch (op) { | |
7a387fff TS |
11609 | case OPC_SPECIAL: |
11610 | op1 = MASK_SPECIAL(ctx->opcode); | |
6af0bf9c | 11611 | switch (op1) { |
324d9e32 AJ |
11612 | case OPC_SLL: /* Shift with immediate */ |
11613 | case OPC_SRA: | |
324d9e32 | 11614 | gen_shift_imm(env, ctx, op1, rd, rt, sa); |
7a387fff | 11615 | break; |
ea63e2c3 NF |
11616 | case OPC_SRL: |
11617 | switch ((ctx->opcode >> 21) & 0x1f) { | |
11618 | case 1: | |
11619 | /* rotr is decoded as srl on non-R2 CPUs */ | |
11620 | if (env->insn_flags & ISA_MIPS32R2) { | |
11621 | op1 = OPC_ROTR; | |
11622 | } | |
11623 | /* Fallthrough */ | |
11624 | case 0: | |
11625 | gen_shift_imm(env, ctx, op1, rd, rt, sa); | |
11626 | break; | |
11627 | default: | |
11628 | generate_exception(ctx, EXCP_RI); | |
11629 | break; | |
11630 | } | |
11631 | break; | |
460f00c4 AJ |
11632 | case OPC_MOVN: /* Conditional move */ |
11633 | case OPC_MOVZ: | |
aa8f4009 AJ |
11634 | check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32 | |
11635 | INSN_LOONGSON2E | INSN_LOONGSON2F); | |
460f00c4 AJ |
11636 | gen_cond_move(env, op1, rd, rs, rt); |
11637 | break; | |
11638 | case OPC_ADD ... OPC_SUBU: | |
e189e748 | 11639 | gen_arith(env, ctx, op1, rd, rs, rt); |
7a387fff | 11640 | break; |
460f00c4 | 11641 | case OPC_SLLV: /* Shifts */ |
460f00c4 AJ |
11642 | case OPC_SRAV: |
11643 | gen_shift(env, ctx, op1, rd, rs, rt); | |
11644 | break; | |
ea63e2c3 NF |
11645 | case OPC_SRLV: |
11646 | switch ((ctx->opcode >> 6) & 0x1f) { | |
11647 | case 1: | |
11648 | /* rotrv is decoded as srlv on non-R2 CPUs */ | |
11649 | if (env->insn_flags & ISA_MIPS32R2) { | |
11650 | op1 = OPC_ROTRV; | |
11651 | } | |
11652 | /* Fallthrough */ | |
11653 | case 0: | |
11654 | gen_shift(env, ctx, op1, rd, rs, rt); | |
11655 | break; | |
11656 | default: | |
11657 | generate_exception(ctx, EXCP_RI); | |
11658 | break; | |
11659 | } | |
11660 | break; | |
460f00c4 AJ |
11661 | case OPC_SLT: /* Set on less than */ |
11662 | case OPC_SLTU: | |
11663 | gen_slt(env, op1, rd, rs, rt); | |
11664 | break; | |
11665 | case OPC_AND: /* Logic*/ | |
11666 | case OPC_OR: | |
11667 | case OPC_NOR: | |
11668 | case OPC_XOR: | |
11669 | gen_logic(env, op1, rd, rs, rt); | |
11670 | break; | |
7a387fff | 11671 | case OPC_MULT ... OPC_DIVU: |
e9c71dd1 TS |
11672 | if (sa) { |
11673 | check_insn(env, ctx, INSN_VR54XX); | |
11674 | op1 = MASK_MUL_VR54XX(ctx->opcode); | |
11675 | gen_mul_vr54xx(ctx, op1, rd, rs, rt); | |
11676 | } else | |
11677 | gen_muldiv(ctx, op1, rs, rt); | |
7a387fff TS |
11678 | break; |
11679 | case OPC_JR ... OPC_JALR: | |
7dca4ad0 | 11680 | gen_compute_branch(ctx, op1, 4, rs, rd, sa); |
c9602061 NF |
11681 | *is_branch = 1; |
11682 | break; | |
7a387fff TS |
11683 | case OPC_TGE ... OPC_TEQ: /* Traps */ |
11684 | case OPC_TNE: | |
11685 | gen_trap(ctx, op1, rs, rt, -1); | |
6af0bf9c | 11686 | break; |
7a387fff TS |
11687 | case OPC_MFHI: /* Move from HI/LO */ |
11688 | case OPC_MFLO: | |
11689 | gen_HILO(ctx, op1, rd); | |
6af0bf9c | 11690 | break; |
7a387fff TS |
11691 | case OPC_MTHI: |
11692 | case OPC_MTLO: /* Move to HI/LO */ | |
11693 | gen_HILO(ctx, op1, rs); | |
6af0bf9c | 11694 | break; |
b48cfdff TS |
11695 | case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
11696 | #ifdef MIPS_STRICT_STANDARD | |
11697 | MIPS_INVAL("PMON / selsl"); | |
11698 | generate_exception(ctx, EXCP_RI); | |
11699 | #else | |
a7812ae4 | 11700 | gen_helper_0i(pmon, sa); |
b48cfdff | 11701 | #endif |
7a387fff TS |
11702 | break; |
11703 | case OPC_SYSCALL: | |
6af0bf9c | 11704 | generate_exception(ctx, EXCP_SYSCALL); |
8e0f950d | 11705 | ctx->bstate = BS_STOP; |
6af0bf9c | 11706 | break; |
7a387fff | 11707 | case OPC_BREAK: |
6af0bf9c FB |
11708 | generate_exception(ctx, EXCP_BREAK); |
11709 | break; | |
b48cfdff TS |
11710 | case OPC_SPIM: |
11711 | #ifdef MIPS_STRICT_STANDARD | |
11712 | MIPS_INVAL("SPIM"); | |
11713 | generate_exception(ctx, EXCP_RI); | |
11714 | #else | |
7a387fff TS |
11715 | /* Implemented as RI exception for now. */ |
11716 | MIPS_INVAL("spim (unofficial)"); | |
11717 | generate_exception(ctx, EXCP_RI); | |
b48cfdff | 11718 | #endif |
6af0bf9c | 11719 | break; |
7a387fff | 11720 | case OPC_SYNC: |
ead9360e | 11721 | /* Treat as NOP. */ |
6af0bf9c | 11722 | break; |
4ad40f36 | 11723 | |
7a387fff | 11724 | case OPC_MOVCI: |
e189e748 | 11725 | check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
36d23958 | 11726 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
5e755519 | 11727 | check_cp1_enabled(ctx); |
36d23958 TS |
11728 | gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
11729 | (ctx->opcode >> 16) & 1); | |
11730 | } else { | |
e397ee33 | 11731 | generate_exception_err(ctx, EXCP_CpU, 1); |
36d23958 | 11732 | } |
4ad40f36 FB |
11733 | break; |
11734 | ||
d26bc211 | 11735 | #if defined(TARGET_MIPS64) |
7a387fff TS |
11736 | /* MIPS64 specific opcodes */ |
11737 | case OPC_DSLL: | |
324d9e32 | 11738 | case OPC_DSRA: |
7a387fff | 11739 | case OPC_DSLL32: |
324d9e32 | 11740 | case OPC_DSRA32: |
e189e748 TS |
11741 | check_insn(env, ctx, ISA_MIPS3); |
11742 | check_mips_64(ctx); | |
324d9e32 | 11743 | gen_shift_imm(env, ctx, op1, rd, rt, sa); |
7a387fff | 11744 | break; |
ea63e2c3 NF |
11745 | case OPC_DSRL: |
11746 | switch ((ctx->opcode >> 21) & 0x1f) { | |
11747 | case 1: | |
11748 | /* drotr is decoded as dsrl on non-R2 CPUs */ | |
11749 | if (env->insn_flags & ISA_MIPS32R2) { | |
11750 | op1 = OPC_DROTR; | |
11751 | } | |
11752 | /* Fallthrough */ | |
11753 | case 0: | |
11754 | check_insn(env, ctx, ISA_MIPS3); | |
11755 | check_mips_64(ctx); | |
11756 | gen_shift_imm(env, ctx, op1, rd, rt, sa); | |
11757 | break; | |
11758 | default: | |
11759 | generate_exception(ctx, EXCP_RI); | |
11760 | break; | |
11761 | } | |
11762 | break; | |
11763 | case OPC_DSRL32: | |
11764 | switch ((ctx->opcode >> 21) & 0x1f) { | |
11765 | case 1: | |
11766 | /* drotr32 is decoded as dsrl32 on non-R2 CPUs */ | |
11767 | if (env->insn_flags & ISA_MIPS32R2) { | |
11768 | op1 = OPC_DROTR32; | |
11769 | } | |
11770 | /* Fallthrough */ | |
11771 | case 0: | |
11772 | check_insn(env, ctx, ISA_MIPS3); | |
11773 | check_mips_64(ctx); | |
11774 | gen_shift_imm(env, ctx, op1, rd, rt, sa); | |
11775 | break; | |
11776 | default: | |
11777 | generate_exception(ctx, EXCP_RI); | |
11778 | break; | |
11779 | } | |
11780 | break; | |
7a387fff | 11781 | case OPC_DADD ... OPC_DSUBU: |
e189e748 TS |
11782 | check_insn(env, ctx, ISA_MIPS3); |
11783 | check_mips_64(ctx); | |
11784 | gen_arith(env, ctx, op1, rd, rs, rt); | |
7a387fff | 11785 | break; |
460f00c4 AJ |
11786 | case OPC_DSLLV: |
11787 | case OPC_DSRAV: | |
460f00c4 AJ |
11788 | check_insn(env, ctx, ISA_MIPS3); |
11789 | check_mips_64(ctx); | |
11790 | gen_shift(env, ctx, op1, rd, rs, rt); | |
11791 | break; | |
ea63e2c3 NF |
11792 | case OPC_DSRLV: |
11793 | switch ((ctx->opcode >> 6) & 0x1f) { | |
11794 | case 1: | |
11795 | /* drotrv is decoded as dsrlv on non-R2 CPUs */ | |
11796 | if (env->insn_flags & ISA_MIPS32R2) { | |
11797 | op1 = OPC_DROTRV; | |
11798 | } | |
11799 | /* Fallthrough */ | |
11800 | case 0: | |
11801 | check_insn(env, ctx, ISA_MIPS3); | |
11802 | check_mips_64(ctx); | |
11803 | gen_shift(env, ctx, op1, rd, rs, rt); | |
11804 | break; | |
11805 | default: | |
11806 | generate_exception(ctx, EXCP_RI); | |
11807 | break; | |
11808 | } | |
11809 | break; | |
7a387fff | 11810 | case OPC_DMULT ... OPC_DDIVU: |
e189e748 TS |
11811 | check_insn(env, ctx, ISA_MIPS3); |
11812 | check_mips_64(ctx); | |
7a387fff TS |
11813 | gen_muldiv(ctx, op1, rs, rt); |
11814 | break; | |
6af0bf9c FB |
11815 | #endif |
11816 | default: /* Invalid */ | |
11817 | MIPS_INVAL("special"); | |
11818 | generate_exception(ctx, EXCP_RI); | |
11819 | break; | |
11820 | } | |
11821 | break; | |
7a387fff TS |
11822 | case OPC_SPECIAL2: |
11823 | op1 = MASK_SPECIAL2(ctx->opcode); | |
6af0bf9c | 11824 | switch (op1) { |
7a387fff TS |
11825 | case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
11826 | case OPC_MSUB ... OPC_MSUBU: | |
e189e748 | 11827 | check_insn(env, ctx, ISA_MIPS32); |
7a387fff | 11828 | gen_muldiv(ctx, op1, rs, rt); |
6af0bf9c | 11829 | break; |
7a387fff | 11830 | case OPC_MUL: |
e189e748 | 11831 | gen_arith(env, ctx, op1, rd, rs, rt); |
6af0bf9c | 11832 | break; |
20e1fb52 AJ |
11833 | case OPC_CLO: |
11834 | case OPC_CLZ: | |
e189e748 | 11835 | check_insn(env, ctx, ISA_MIPS32); |
7a387fff | 11836 | gen_cl(ctx, op1, rd, rs); |
6af0bf9c | 11837 | break; |
7a387fff | 11838 | case OPC_SDBBP: |
6af0bf9c FB |
11839 | /* XXX: not clear which exception should be raised |
11840 | * when in debug mode... | |
11841 | */ | |
e189e748 | 11842 | check_insn(env, ctx, ISA_MIPS32); |
6af0bf9c FB |
11843 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { |
11844 | generate_exception(ctx, EXCP_DBp); | |
11845 | } else { | |
11846 | generate_exception(ctx, EXCP_DBp); | |
11847 | } | |
ead9360e | 11848 | /* Treat as NOP. */ |
6af0bf9c | 11849 | break; |
161f85e6 AJ |
11850 | case OPC_DIV_G_2F: |
11851 | case OPC_DIVU_G_2F: | |
11852 | case OPC_MULT_G_2F: | |
11853 | case OPC_MULTU_G_2F: | |
11854 | case OPC_MOD_G_2F: | |
11855 | case OPC_MODU_G_2F: | |
11856 | check_insn(env, ctx, INSN_LOONGSON2F); | |
11857 | gen_loongson_integer(ctx, op1, rd, rs, rt); | |
11858 | break; | |
d26bc211 | 11859 | #if defined(TARGET_MIPS64) |
20e1fb52 AJ |
11860 | case OPC_DCLO: |
11861 | case OPC_DCLZ: | |
e189e748 TS |
11862 | check_insn(env, ctx, ISA_MIPS64); |
11863 | check_mips_64(ctx); | |
7a387fff TS |
11864 | gen_cl(ctx, op1, rd, rs); |
11865 | break; | |
161f85e6 AJ |
11866 | case OPC_DMULT_G_2F: |
11867 | case OPC_DMULTU_G_2F: | |
11868 | case OPC_DDIV_G_2F: | |
11869 | case OPC_DDIVU_G_2F: | |
11870 | case OPC_DMOD_G_2F: | |
11871 | case OPC_DMODU_G_2F: | |
11872 | check_insn(env, ctx, INSN_LOONGSON2F); | |
11873 | gen_loongson_integer(ctx, op1, rd, rs, rt); | |
11874 | break; | |
7a387fff | 11875 | #endif |
6af0bf9c FB |
11876 | default: /* Invalid */ |
11877 | MIPS_INVAL("special2"); | |
11878 | generate_exception(ctx, EXCP_RI); | |
11879 | break; | |
11880 | } | |
11881 | break; | |
7a387fff | 11882 | case OPC_SPECIAL3: |
2b0233ab TS |
11883 | op1 = MASK_SPECIAL3(ctx->opcode); |
11884 | switch (op1) { | |
11885 | case OPC_EXT: | |
11886 | case OPC_INS: | |
11887 | check_insn(env, ctx, ISA_MIPS32R2); | |
11888 | gen_bitops(ctx, op1, rt, rs, sa, rd); | |
11889 | break; | |
11890 | case OPC_BSHFL: | |
11891 | check_insn(env, ctx, ISA_MIPS32R2); | |
11892 | op2 = MASK_BSHFL(ctx->opcode); | |
49bcf33c | 11893 | gen_bshfl(ctx, op2, rt, rd); |
7a387fff | 11894 | break; |
1579a72e | 11895 | case OPC_RDHWR: |
26ebe468 | 11896 | gen_rdhwr(env, ctx, rt, rd); |
1579a72e | 11897 | break; |
ead9360e | 11898 | case OPC_FORK: |
7385ac0b | 11899 | check_insn(env, ctx, ASE_MT); |
6c5c1e20 | 11900 | { |
35fbce2c AJ |
11901 | TCGv t0 = tcg_temp_new(); |
11902 | TCGv t1 = tcg_temp_new(); | |
6c5c1e20 TS |
11903 | |
11904 | gen_load_gpr(t0, rt); | |
11905 | gen_load_gpr(t1, rs); | |
a7812ae4 | 11906 | gen_helper_fork(t0, t1); |
6c5c1e20 TS |
11907 | tcg_temp_free(t0); |
11908 | tcg_temp_free(t1); | |
11909 | } | |
ead9360e TS |
11910 | break; |
11911 | case OPC_YIELD: | |
7385ac0b | 11912 | check_insn(env, ctx, ASE_MT); |
6c5c1e20 | 11913 | { |
35fbce2c | 11914 | TCGv t0 = tcg_temp_new(); |
6c5c1e20 | 11915 | |
35fbce2c | 11916 | save_cpu_state(ctx, 1); |
6c5c1e20 | 11917 | gen_load_gpr(t0, rs); |
a7812ae4 | 11918 | gen_helper_yield(t0, t0); |
6c5c1e20 TS |
11919 | gen_store_gpr(t0, rd); |
11920 | tcg_temp_free(t0); | |
11921 | } | |
ead9360e | 11922 | break; |
161f85e6 AJ |
11923 | case OPC_DIV_G_2E ... OPC_DIVU_G_2E: |
11924 | case OPC_MULT_G_2E ... OPC_MULTU_G_2E: | |
11925 | case OPC_MOD_G_2E ... OPC_MODU_G_2E: | |
11926 | check_insn(env, ctx, INSN_LOONGSON2E); | |
11927 | gen_loongson_integer(ctx, op1, rd, rs, rt); | |
11928 | break; | |
d26bc211 | 11929 | #if defined(TARGET_MIPS64) |
1579a72e TS |
11930 | case OPC_DEXTM ... OPC_DEXT: |
11931 | case OPC_DINSM ... OPC_DINS: | |
e189e748 TS |
11932 | check_insn(env, ctx, ISA_MIPS64R2); |
11933 | check_mips_64(ctx); | |
1579a72e | 11934 | gen_bitops(ctx, op1, rt, rs, sa, rd); |
7a387fff | 11935 | break; |
1579a72e | 11936 | case OPC_DBSHFL: |
e189e748 TS |
11937 | check_insn(env, ctx, ISA_MIPS64R2); |
11938 | check_mips_64(ctx); | |
1579a72e | 11939 | op2 = MASK_DBSHFL(ctx->opcode); |
49bcf33c | 11940 | gen_bshfl(ctx, op2, rt, rd); |
c6d6dd7c | 11941 | break; |
161f85e6 AJ |
11942 | case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E: |
11943 | case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E: | |
11944 | case OPC_DMOD_G_2E ... OPC_DMODU_G_2E: | |
11945 | check_insn(env, ctx, INSN_LOONGSON2E); | |
11946 | gen_loongson_integer(ctx, op1, rd, rs, rt); | |
11947 | break; | |
7a387fff TS |
11948 | #endif |
11949 | default: /* Invalid */ | |
11950 | MIPS_INVAL("special3"); | |
11951 | generate_exception(ctx, EXCP_RI); | |
11952 | break; | |
11953 | } | |
11954 | break; | |
11955 | case OPC_REGIMM: | |
11956 | op1 = MASK_REGIMM(ctx->opcode); | |
11957 | switch (op1) { | |
11958 | case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ | |
11959 | case OPC_BLTZAL ... OPC_BGEZALL: | |
7dca4ad0 | 11960 | gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2); |
c9602061 NF |
11961 | *is_branch = 1; |
11962 | break; | |
7a387fff TS |
11963 | case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
11964 | case OPC_TNEI: | |
11965 | gen_trap(ctx, op1, rs, -1, imm); | |
11966 | break; | |
11967 | case OPC_SYNCI: | |
e189e748 | 11968 | check_insn(env, ctx, ISA_MIPS32R2); |
ead9360e | 11969 | /* Treat as NOP. */ |
6af0bf9c FB |
11970 | break; |
11971 | default: /* Invalid */ | |
923617a3 | 11972 | MIPS_INVAL("regimm"); |
6af0bf9c FB |
11973 | generate_exception(ctx, EXCP_RI); |
11974 | break; | |
11975 | } | |
11976 | break; | |
7a387fff | 11977 | case OPC_CP0: |
387a8fe5 | 11978 | check_cp0_enabled(ctx); |
7a387fff | 11979 | op1 = MASK_CP0(ctx->opcode); |
6af0bf9c | 11980 | switch (op1) { |
7a387fff TS |
11981 | case OPC_MFC0: |
11982 | case OPC_MTC0: | |
ead9360e TS |
11983 | case OPC_MFTR: |
11984 | case OPC_MTTR: | |
d26bc211 | 11985 | #if defined(TARGET_MIPS64) |
7a387fff TS |
11986 | case OPC_DMFC0: |
11987 | case OPC_DMTC0: | |
11988 | #endif | |
f1aa6320 | 11989 | #ifndef CONFIG_USER_ONLY |
932e71cd | 11990 | gen_cp0(env, ctx, op1, rt, rd); |
0eaef5aa | 11991 | #endif /* !CONFIG_USER_ONLY */ |
7a387fff TS |
11992 | break; |
11993 | case OPC_C0_FIRST ... OPC_C0_LAST: | |
f1aa6320 | 11994 | #ifndef CONFIG_USER_ONLY |
932e71cd | 11995 | gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
0eaef5aa | 11996 | #endif /* !CONFIG_USER_ONLY */ |
7a387fff TS |
11997 | break; |
11998 | case OPC_MFMC0: | |
8706c382 | 11999 | #ifndef CONFIG_USER_ONLY |
932e71cd | 12000 | { |
35fbce2c | 12001 | TCGv t0 = tcg_temp_new(); |
6c5c1e20 | 12002 | |
0eaef5aa | 12003 | op2 = MASK_MFMC0(ctx->opcode); |
6c5c1e20 TS |
12004 | switch (op2) { |
12005 | case OPC_DMT: | |
12006 | check_insn(env, ctx, ASE_MT); | |
a7812ae4 | 12007 | gen_helper_dmt(t0, t0); |
35fbce2c | 12008 | gen_store_gpr(t0, rt); |
6c5c1e20 TS |
12009 | break; |
12010 | case OPC_EMT: | |
12011 | check_insn(env, ctx, ASE_MT); | |
a7812ae4 | 12012 | gen_helper_emt(t0, t0); |
35fbce2c | 12013 | gen_store_gpr(t0, rt); |
da80682b | 12014 | break; |
6c5c1e20 TS |
12015 | case OPC_DVPE: |
12016 | check_insn(env, ctx, ASE_MT); | |
a7812ae4 | 12017 | gen_helper_dvpe(t0, t0); |
35fbce2c | 12018 | gen_store_gpr(t0, rt); |
6c5c1e20 TS |
12019 | break; |
12020 | case OPC_EVPE: | |
12021 | check_insn(env, ctx, ASE_MT); | |
a7812ae4 | 12022 | gen_helper_evpe(t0, t0); |
35fbce2c | 12023 | gen_store_gpr(t0, rt); |
6c5c1e20 TS |
12024 | break; |
12025 | case OPC_DI: | |
12026 | check_insn(env, ctx, ISA_MIPS32R2); | |
867abc7e | 12027 | save_cpu_state(ctx, 1); |
a7812ae4 | 12028 | gen_helper_di(t0); |
35fbce2c | 12029 | gen_store_gpr(t0, rt); |
6c5c1e20 TS |
12030 | /* Stop translation as we may have switched the execution mode */ |
12031 | ctx->bstate = BS_STOP; | |
12032 | break; | |
12033 | case OPC_EI: | |
12034 | check_insn(env, ctx, ISA_MIPS32R2); | |
867abc7e | 12035 | save_cpu_state(ctx, 1); |
a7812ae4 | 12036 | gen_helper_ei(t0); |
35fbce2c | 12037 | gen_store_gpr(t0, rt); |
6c5c1e20 TS |
12038 | /* Stop translation as we may have switched the execution mode */ |
12039 | ctx->bstate = BS_STOP; | |
12040 | break; | |
12041 | default: /* Invalid */ | |
12042 | MIPS_INVAL("mfmc0"); | |
12043 | generate_exception(ctx, EXCP_RI); | |
12044 | break; | |
12045 | } | |
6c5c1e20 | 12046 | tcg_temp_free(t0); |
7a387fff | 12047 | } |
0eaef5aa | 12048 | #endif /* !CONFIG_USER_ONLY */ |
6af0bf9c | 12049 | break; |
7a387fff | 12050 | case OPC_RDPGPR: |
e189e748 | 12051 | check_insn(env, ctx, ISA_MIPS32R2); |
be24bb4f | 12052 | gen_load_srsgpr(rt, rd); |
ead9360e | 12053 | break; |
7a387fff | 12054 | case OPC_WRPGPR: |
e189e748 | 12055 | check_insn(env, ctx, ISA_MIPS32R2); |
be24bb4f | 12056 | gen_store_srsgpr(rt, rd); |
38121543 | 12057 | break; |
6af0bf9c | 12058 | default: |
923617a3 | 12059 | MIPS_INVAL("cp0"); |
7a387fff | 12060 | generate_exception(ctx, EXCP_RI); |
6af0bf9c FB |
12061 | break; |
12062 | } | |
12063 | break; | |
324d9e32 AJ |
12064 | case OPC_ADDI: /* Arithmetic with immediate opcode */ |
12065 | case OPC_ADDIU: | |
e189e748 | 12066 | gen_arith_imm(env, ctx, op, rt, rs, imm); |
7a387fff | 12067 | break; |
324d9e32 AJ |
12068 | case OPC_SLTI: /* Set on less than with immediate opcode */ |
12069 | case OPC_SLTIU: | |
12070 | gen_slt_imm(env, op, rt, rs, imm); | |
12071 | break; | |
12072 | case OPC_ANDI: /* Arithmetic with immediate opcode */ | |
12073 | case OPC_LUI: | |
12074 | case OPC_ORI: | |
12075 | case OPC_XORI: | |
12076 | gen_logic_imm(env, op, rt, rs, imm); | |
12077 | break; | |
7a387fff TS |
12078 | case OPC_J ... OPC_JAL: /* Jump */ |
12079 | offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; | |
7dca4ad0 | 12080 | gen_compute_branch(ctx, op, 4, rs, rt, offset); |
c9602061 NF |
12081 | *is_branch = 1; |
12082 | break; | |
7a387fff TS |
12083 | case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
12084 | case OPC_BEQL ... OPC_BGTZL: | |
7dca4ad0 | 12085 | gen_compute_branch(ctx, op, 4, rs, rt, imm << 2); |
c9602061 NF |
12086 | *is_branch = 1; |
12087 | break; | |
7a387fff | 12088 | case OPC_LB ... OPC_LWR: /* Load and stores */ |
5c13fdfd | 12089 | case OPC_LL: |
afa88c3a | 12090 | gen_ld(env, ctx, op, rt, rs, imm); |
5c13fdfd | 12091 | break; |
7a387fff TS |
12092 | case OPC_SB ... OPC_SW: |
12093 | case OPC_SWR: | |
5c13fdfd | 12094 | gen_st(ctx, op, rt, rs, imm); |
7a387fff | 12095 | break; |
d66c7132 AJ |
12096 | case OPC_SC: |
12097 | gen_st_cond(ctx, op, rt, rs, imm); | |
12098 | break; | |
7a387fff | 12099 | case OPC_CACHE: |
e189e748 | 12100 | check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
ead9360e | 12101 | /* Treat as NOP. */ |
34ae7b51 | 12102 | break; |
7a387fff | 12103 | case OPC_PREF: |
e189e748 | 12104 | check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
ead9360e | 12105 | /* Treat as NOP. */ |
6af0bf9c | 12106 | break; |
4ad40f36 | 12107 | |
923617a3 | 12108 | /* Floating point (COP1). */ |
7a387fff TS |
12109 | case OPC_LWC1: |
12110 | case OPC_LDC1: | |
12111 | case OPC_SWC1: | |
12112 | case OPC_SDC1: | |
26ebe468 | 12113 | gen_cop1_ldst(env, ctx, op, rt, rs, imm); |
6ea83fed FB |
12114 | break; |
12115 | ||
7a387fff | 12116 | case OPC_CP1: |
36d23958 | 12117 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
5e755519 | 12118 | check_cp1_enabled(ctx); |
36d23958 TS |
12119 | op1 = MASK_CP1(ctx->opcode); |
12120 | switch (op1) { | |
3a95e3a7 TS |
12121 | case OPC_MFHC1: |
12122 | case OPC_MTHC1: | |
e189e748 | 12123 | check_insn(env, ctx, ISA_MIPS32R2); |
36d23958 TS |
12124 | case OPC_MFC1: |
12125 | case OPC_CFC1: | |
12126 | case OPC_MTC1: | |
12127 | case OPC_CTC1: | |
e189e748 TS |
12128 | gen_cp1(ctx, op1, rt, rd); |
12129 | break; | |
d26bc211 | 12130 | #if defined(TARGET_MIPS64) |
36d23958 TS |
12131 | case OPC_DMFC1: |
12132 | case OPC_DMTC1: | |
e189e748 | 12133 | check_insn(env, ctx, ISA_MIPS3); |
36d23958 TS |
12134 | gen_cp1(ctx, op1, rt, rd); |
12135 | break; | |
e189e748 | 12136 | #endif |
fbcc6828 TS |
12137 | case OPC_BC1ANY2: |
12138 | case OPC_BC1ANY4: | |
b8aa4598 | 12139 | check_cop1x(ctx); |
7385ac0b | 12140 | check_insn(env, ctx, ASE_MIPS3D); |
d8a5950a TS |
12141 | /* fall through */ |
12142 | case OPC_BC1: | |
e189e748 | 12143 | gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
5a5012ec | 12144 | (rt >> 2) & 0x7, imm << 2); |
c9602061 NF |
12145 | *is_branch = 1; |
12146 | break; | |
36d23958 TS |
12147 | case OPC_S_FMT: |
12148 | case OPC_D_FMT: | |
12149 | case OPC_W_FMT: | |
12150 | case OPC_L_FMT: | |
5a5012ec | 12151 | case OPC_PS_FMT: |
bf4120ad | 12152 | gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, |
5a5012ec | 12153 | (imm >> 8) & 0x7); |
36d23958 TS |
12154 | break; |
12155 | default: | |
923617a3 | 12156 | MIPS_INVAL("cp1"); |
e397ee33 | 12157 | generate_exception (ctx, EXCP_RI); |
36d23958 TS |
12158 | break; |
12159 | } | |
12160 | } else { | |
12161 | generate_exception_err(ctx, EXCP_CpU, 1); | |
6ea83fed | 12162 | } |
4ad40f36 FB |
12163 | break; |
12164 | ||
12165 | /* COP2. */ | |
7a387fff TS |
12166 | case OPC_LWC2: |
12167 | case OPC_LDC2: | |
12168 | case OPC_SWC2: | |
12169 | case OPC_SDC2: | |
12170 | case OPC_CP2: | |
12171 | /* COP2: Not implemented. */ | |
4ad40f36 FB |
12172 | generate_exception_err(ctx, EXCP_CpU, 2); |
12173 | break; | |
12174 | ||
7a387fff | 12175 | case OPC_CP3: |
36d23958 | 12176 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
5e755519 | 12177 | check_cp1_enabled(ctx); |
36d23958 TS |
12178 | op1 = MASK_CP3(ctx->opcode); |
12179 | switch (op1) { | |
5a5012ec TS |
12180 | case OPC_LWXC1: |
12181 | case OPC_LDXC1: | |
12182 | case OPC_LUXC1: | |
12183 | case OPC_SWXC1: | |
12184 | case OPC_SDXC1: | |
12185 | case OPC_SUXC1: | |
93b12ccc | 12186 | gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
5a5012ec | 12187 | break; |
e0c84da7 | 12188 | case OPC_PREFX: |
ead9360e | 12189 | /* Treat as NOP. */ |
e0c84da7 | 12190 | break; |
5a5012ec TS |
12191 | case OPC_ALNV_PS: |
12192 | case OPC_MADD_S: | |
12193 | case OPC_MADD_D: | |
12194 | case OPC_MADD_PS: | |
12195 | case OPC_MSUB_S: | |
12196 | case OPC_MSUB_D: | |
12197 | case OPC_MSUB_PS: | |
12198 | case OPC_NMADD_S: | |
12199 | case OPC_NMADD_D: | |
12200 | case OPC_NMADD_PS: | |
12201 | case OPC_NMSUB_S: | |
12202 | case OPC_NMSUB_D: | |
12203 | case OPC_NMSUB_PS: | |
12204 | gen_flt3_arith(ctx, op1, sa, rs, rd, rt); | |
12205 | break; | |
36d23958 | 12206 | default: |
923617a3 | 12207 | MIPS_INVAL("cp3"); |
e397ee33 | 12208 | generate_exception (ctx, EXCP_RI); |
36d23958 TS |
12209 | break; |
12210 | } | |
12211 | } else { | |
e397ee33 | 12212 | generate_exception_err(ctx, EXCP_CpU, 1); |
7a387fff | 12213 | } |
4ad40f36 FB |
12214 | break; |
12215 | ||
d26bc211 | 12216 | #if defined(TARGET_MIPS64) |
7a387fff TS |
12217 | /* MIPS64 opcodes */ |
12218 | case OPC_LWU: | |
12219 | case OPC_LDL ... OPC_LDR: | |
7a387fff TS |
12220 | case OPC_LLD: |
12221 | case OPC_LD: | |
5c13fdfd AJ |
12222 | check_insn(env, ctx, ISA_MIPS3); |
12223 | check_mips_64(ctx); | |
afa88c3a | 12224 | gen_ld(env, ctx, op, rt, rs, imm); |
5c13fdfd AJ |
12225 | break; |
12226 | case OPC_SDL ... OPC_SDR: | |
7a387fff | 12227 | case OPC_SD: |
e189e748 TS |
12228 | check_insn(env, ctx, ISA_MIPS3); |
12229 | check_mips_64(ctx); | |
5c13fdfd | 12230 | gen_st(ctx, op, rt, rs, imm); |
7a387fff | 12231 | break; |
d66c7132 AJ |
12232 | case OPC_SCD: |
12233 | check_insn(env, ctx, ISA_MIPS3); | |
12234 | check_mips_64(ctx); | |
12235 | gen_st_cond(ctx, op, rt, rs, imm); | |
12236 | break; | |
324d9e32 AJ |
12237 | case OPC_DADDI: |
12238 | case OPC_DADDIU: | |
e189e748 TS |
12239 | check_insn(env, ctx, ISA_MIPS3); |
12240 | check_mips_64(ctx); | |
12241 | gen_arith_imm(env, ctx, op, rt, rs, imm); | |
7a387fff | 12242 | break; |
6af0bf9c | 12243 | #endif |
7a387fff | 12244 | case OPC_JALX: |
3c824109 | 12245 | check_insn(env, ctx, ASE_MIPS16 | ASE_MICROMIPS); |
364d4831 NF |
12246 | offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
12247 | gen_compute_branch(ctx, op, 4, rs, rt, offset); | |
12248 | *is_branch = 1; | |
12249 | break; | |
7a387fff | 12250 | case OPC_MDMX: |
e189e748 | 12251 | check_insn(env, ctx, ASE_MDMX); |
7a387fff | 12252 | /* MDMX: Not implemented. */ |
6af0bf9c | 12253 | default: /* Invalid */ |
923617a3 | 12254 | MIPS_INVAL("major opcode"); |
6af0bf9c FB |
12255 | generate_exception(ctx, EXCP_RI); |
12256 | break; | |
12257 | } | |
6af0bf9c FB |
12258 | } |
12259 | ||
2cfc5f17 | 12260 | static inline void |
820e00f2 TS |
12261 | gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
12262 | int search_pc) | |
6af0bf9c | 12263 | { |
278d0702 | 12264 | DisasContext ctx; |
6af0bf9c FB |
12265 | target_ulong pc_start; |
12266 | uint16_t *gen_opc_end; | |
a1d1bb31 | 12267 | CPUBreakpoint *bp; |
6af0bf9c | 12268 | int j, lj = -1; |
2e70f6ef PB |
12269 | int num_insns; |
12270 | int max_insns; | |
c9602061 NF |
12271 | int insn_bytes; |
12272 | int is_branch; | |
6af0bf9c | 12273 | |
93fcfe39 AL |
12274 | if (search_pc) |
12275 | qemu_log("search pc %d\n", search_pc); | |
4ad40f36 | 12276 | |
6af0bf9c | 12277 | pc_start = tb->pc; |
d42320c2 | 12278 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
6af0bf9c | 12279 | ctx.pc = pc_start; |
4ad40f36 | 12280 | ctx.saved_pc = -1; |
7b270ef2 | 12281 | ctx.singlestep_enabled = env->singlestep_enabled; |
6af0bf9c FB |
12282 | ctx.tb = tb; |
12283 | ctx.bstate = BS_NONE; | |
4ad40f36 | 12284 | /* Restore delay slot state from the tb context. */ |
c068688b | 12285 | ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */ |
fd4a04eb | 12286 | restore_cpu_state(env, &ctx); |
932e71cd | 12287 | #ifdef CONFIG_USER_ONLY |
0eaef5aa | 12288 | ctx.mem_idx = MIPS_HFLAG_UM; |
932e71cd | 12289 | #else |
0eaef5aa | 12290 | ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
932e71cd | 12291 | #endif |
2e70f6ef PB |
12292 | num_insns = 0; |
12293 | max_insns = tb->cflags & CF_COUNT_MASK; | |
12294 | if (max_insns == 0) | |
12295 | max_insns = CF_COUNT_MASK; | |
d12d51d5 | 12296 | LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags); |
2e70f6ef | 12297 | gen_icount_start(); |
faf7aaa9 | 12298 | while (ctx.bstate == BS_NONE) { |
72cf2d4f BS |
12299 | if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { |
12300 | QTAILQ_FOREACH(bp, &env->breakpoints, entry) { | |
a1d1bb31 | 12301 | if (bp->pc == ctx.pc) { |
278d0702 | 12302 | save_cpu_state(&ctx, 1); |
4ad40f36 | 12303 | ctx.bstate = BS_BRANCH; |
a7812ae4 | 12304 | gen_helper_0i(raise_exception, EXCP_DEBUG); |
ce62e5ba TS |
12305 | /* Include the breakpoint location or the tb won't |
12306 | * be flushed when it must be. */ | |
12307 | ctx.pc += 4; | |
4ad40f36 FB |
12308 | goto done_generating; |
12309 | } | |
12310 | } | |
12311 | } | |
12312 | ||
6af0bf9c FB |
12313 | if (search_pc) { |
12314 | j = gen_opc_ptr - gen_opc_buf; | |
6af0bf9c FB |
12315 | if (lj < j) { |
12316 | lj++; | |
12317 | while (lj < j) | |
12318 | gen_opc_instr_start[lj++] = 0; | |
6af0bf9c | 12319 | } |
4ad40f36 FB |
12320 | gen_opc_pc[lj] = ctx.pc; |
12321 | gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; | |
12322 | gen_opc_instr_start[lj] = 1; | |
2e70f6ef | 12323 | gen_opc_icount[lj] = num_insns; |
6af0bf9c | 12324 | } |
2e70f6ef PB |
12325 | if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
12326 | gen_io_start(); | |
c9602061 NF |
12327 | |
12328 | is_branch = 0; | |
364d4831 | 12329 | if (!(ctx.hflags & MIPS_HFLAG_M16)) { |
c9602061 NF |
12330 | ctx.opcode = ldl_code(ctx.pc); |
12331 | insn_bytes = 4; | |
12332 | decode_opc(env, &ctx, &is_branch); | |
3c824109 NF |
12333 | } else if (env->insn_flags & ASE_MICROMIPS) { |
12334 | ctx.opcode = lduw_code(ctx.pc); | |
12335 | insn_bytes = decode_micromips_opc(env, &ctx, &is_branch); | |
364d4831 NF |
12336 | } else if (env->insn_flags & ASE_MIPS16) { |
12337 | ctx.opcode = lduw_code(ctx.pc); | |
12338 | insn_bytes = decode_mips16_opc(env, &ctx, &is_branch); | |
c9602061 NF |
12339 | } else { |
12340 | generate_exception(&ctx, EXCP_RI); | |
3c824109 | 12341 | ctx.bstate = BS_STOP; |
c9602061 NF |
12342 | break; |
12343 | } | |
12344 | if (!is_branch) { | |
12345 | handle_delay_slot(env, &ctx, insn_bytes); | |
12346 | } | |
12347 | ctx.pc += insn_bytes; | |
12348 | ||
2e70f6ef | 12349 | num_insns++; |
4ad40f36 | 12350 | |
7b270ef2 NF |
12351 | /* Execute a branch and its delay slot as a single instruction. |
12352 | This is what GDB expects and is consistent with what the | |
12353 | hardware does (e.g. if a delay slot instruction faults, the | |
12354 | reported PC is the PC of the branch). */ | |
12355 | if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) | |
4ad40f36 FB |
12356 | break; |
12357 | ||
6af0bf9c FB |
12358 | if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
12359 | break; | |
4ad40f36 | 12360 | |
faf7aaa9 TS |
12361 | if (gen_opc_ptr >= gen_opc_end) |
12362 | break; | |
12363 | ||
2e70f6ef PB |
12364 | if (num_insns >= max_insns) |
12365 | break; | |
1b530a6d AJ |
12366 | |
12367 | if (singlestep) | |
12368 | break; | |
6af0bf9c | 12369 | } |
2e70f6ef PB |
12370 | if (tb->cflags & CF_LAST_IO) |
12371 | gen_io_end(); | |
7b270ef2 | 12372 | if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) { |
278d0702 | 12373 | save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
a7812ae4 | 12374 | gen_helper_0i(raise_exception, EXCP_DEBUG); |
16c00cb2 | 12375 | } else { |
6958549d | 12376 | switch (ctx.bstate) { |
16c00cb2 | 12377 | case BS_STOP: |
df1561e2 TS |
12378 | gen_goto_tb(&ctx, 0, ctx.pc); |
12379 | break; | |
16c00cb2 | 12380 | case BS_NONE: |
278d0702 | 12381 | save_cpu_state(&ctx, 0); |
16c00cb2 TS |
12382 | gen_goto_tb(&ctx, 0, ctx.pc); |
12383 | break; | |
5a5012ec | 12384 | case BS_EXCP: |
57fec1fe | 12385 | tcg_gen_exit_tb(0); |
16c00cb2 | 12386 | break; |
5a5012ec TS |
12387 | case BS_BRANCH: |
12388 | default: | |
12389 | break; | |
6958549d | 12390 | } |
6af0bf9c | 12391 | } |
4ad40f36 | 12392 | done_generating: |
2e70f6ef | 12393 | gen_icount_end(tb, num_insns); |
6af0bf9c FB |
12394 | *gen_opc_ptr = INDEX_op_end; |
12395 | if (search_pc) { | |
12396 | j = gen_opc_ptr - gen_opc_buf; | |
12397 | lj++; | |
12398 | while (lj <= j) | |
12399 | gen_opc_instr_start[lj++] = 0; | |
6af0bf9c FB |
12400 | } else { |
12401 | tb->size = ctx.pc - pc_start; | |
2e70f6ef | 12402 | tb->icount = num_insns; |
6af0bf9c FB |
12403 | } |
12404 | #ifdef DEBUG_DISAS | |
d12d51d5 | 12405 | LOG_DISAS("\n"); |
8fec2b8c | 12406 | if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { |
93fcfe39 AL |
12407 | qemu_log("IN: %s\n", lookup_symbol(pc_start)); |
12408 | log_target_disas(pc_start, ctx.pc - pc_start, 0); | |
12409 | qemu_log("\n"); | |
6af0bf9c FB |
12410 | } |
12411 | #endif | |
6af0bf9c FB |
12412 | } |
12413 | ||
2cfc5f17 | 12414 | void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
6af0bf9c | 12415 | { |
2cfc5f17 | 12416 | gen_intermediate_code_internal(env, tb, 0); |
6af0bf9c FB |
12417 | } |
12418 | ||
2cfc5f17 | 12419 | void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
6af0bf9c | 12420 | { |
2cfc5f17 | 12421 | gen_intermediate_code_internal(env, tb, 1); |
6af0bf9c FB |
12422 | } |
12423 | ||
8706c382 TS |
12424 | static void fpu_dump_state(CPUState *env, FILE *f, |
12425 | int (*fpu_fprintf)(FILE *f, const char *fmt, ...), | |
12426 | int flags) | |
6ea83fed FB |
12427 | { |
12428 | int i; | |
5e755519 | 12429 | int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64); |
5a5012ec | 12430 | |
2a5612e6 SW |
12431 | #define printfpr(fp) \ |
12432 | do { \ | |
12433 | if (is_fpu64) \ | |
12434 | fpu_fprintf(f, "w:%08x d:%016" PRIx64 \ | |
12435 | " fd:%13g fs:%13g psu: %13g\n", \ | |
12436 | (fp)->w[FP_ENDIAN_IDX], (fp)->d, \ | |
12437 | (double)(fp)->fd, \ | |
12438 | (double)(fp)->fs[FP_ENDIAN_IDX], \ | |
12439 | (double)(fp)->fs[!FP_ENDIAN_IDX]); \ | |
12440 | else { \ | |
12441 | fpr_t tmp; \ | |
12442 | tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ | |
12443 | tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \ | |
12444 | fpu_fprintf(f, "w:%08x d:%016" PRIx64 \ | |
12445 | " fd:%13g fs:%13g psu:%13g\n", \ | |
12446 | tmp.w[FP_ENDIAN_IDX], tmp.d, \ | |
12447 | (double)tmp.fd, \ | |
12448 | (double)tmp.fs[FP_ENDIAN_IDX], \ | |
12449 | (double)tmp.fs[!FP_ENDIAN_IDX]); \ | |
12450 | } \ | |
6ea83fed FB |
12451 | } while(0) |
12452 | ||
5a5012ec TS |
12453 | |
12454 | fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n", | |
f01be154 TS |
12455 | env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status, |
12456 | get_float_exception_flags(&env->active_fpu.fp_status)); | |
5a5012ec TS |
12457 | for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
12458 | fpu_fprintf(f, "%3s: ", fregnames[i]); | |
f01be154 | 12459 | printfpr(&env->active_fpu.fpr[i]); |
6ea83fed FB |
12460 | } |
12461 | ||
12462 | #undef printfpr | |
12463 | } | |
12464 | ||
d26bc211 | 12465 | #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS) |
c570fd16 | 12466 | /* Debug help: The architecture requires 32bit code to maintain proper |
c7e8a937 | 12467 | sign-extended values on 64bit machines. */ |
c570fd16 TS |
12468 | |
12469 | #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) | |
12470 | ||
8706c382 TS |
12471 | static void |
12472 | cpu_mips_check_sign_extensions (CPUState *env, FILE *f, | |
12473 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), | |
12474 | int flags) | |
c570fd16 TS |
12475 | { |
12476 | int i; | |
12477 | ||
b5dc7732 TS |
12478 | if (!SIGN_EXT_P(env->active_tc.PC)) |
12479 | cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC); | |
12480 | if (!SIGN_EXT_P(env->active_tc.HI[0])) | |
12481 | cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]); | |
12482 | if (!SIGN_EXT_P(env->active_tc.LO[0])) | |
12483 | cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]); | |
c570fd16 | 12484 | if (!SIGN_EXT_P(env->btarget)) |
3594c774 | 12485 | cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
c570fd16 TS |
12486 | |
12487 | for (i = 0; i < 32; i++) { | |
b5dc7732 TS |
12488 | if (!SIGN_EXT_P(env->active_tc.gpr[i])) |
12489 | cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]); | |
c570fd16 TS |
12490 | } |
12491 | ||
12492 | if (!SIGN_EXT_P(env->CP0_EPC)) | |
3594c774 | 12493 | cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
5499b6ff AJ |
12494 | if (!SIGN_EXT_P(env->lladdr)) |
12495 | cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr); | |
c570fd16 TS |
12496 | } |
12497 | #endif | |
12498 | ||
5fafdf24 | 12499 | void cpu_dump_state (CPUState *env, FILE *f, |
6af0bf9c FB |
12500 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
12501 | int flags) | |
12502 | { | |
12503 | int i; | |
3b46e624 | 12504 | |
a7200c9f SW |
12505 | cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx |
12506 | " LO=0x" TARGET_FMT_lx " ds %04x " | |
12507 | TARGET_FMT_lx " " TARGET_FMT_ld "\n", | |
3d5be870 TS |
12508 | env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0], |
12509 | env->hflags, env->btarget, env->bcond); | |
6af0bf9c FB |
12510 | for (i = 0; i < 32; i++) { |
12511 | if ((i & 3) == 0) | |
12512 | cpu_fprintf(f, "GPR%02d:", i); | |
b5dc7732 | 12513 | cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]); |
6af0bf9c FB |
12514 | if ((i & 3) == 3) |
12515 | cpu_fprintf(f, "\n"); | |
12516 | } | |
568b600d | 12517 | |
3594c774 | 12518 | cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
5e755519 | 12519 | env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
3594c774 | 12520 | cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
5499b6ff | 12521 | env->CP0_Config0, env->CP0_Config1, env->lladdr); |
5e755519 | 12522 | if (env->hflags & MIPS_HFLAG_FPU) |
7a387fff | 12523 | fpu_dump_state(env, f, cpu_fprintf, flags); |
d26bc211 | 12524 | #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS) |
c570fd16 TS |
12525 | cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
12526 | #endif | |
6af0bf9c FB |
12527 | } |
12528 | ||
39454628 TS |
12529 | static void mips_tcg_init(void) |
12530 | { | |
f01be154 | 12531 | int i; |
39454628 TS |
12532 | static int inited; |
12533 | ||
12534 | /* Initialize various static tables. */ | |
12535 | if (inited) | |
6958549d | 12536 | return; |
39454628 | 12537 | |
a7812ae4 | 12538 | cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); |
f2c94b92 | 12539 | TCGV_UNUSED(cpu_gpr[0]); |
bb928dbe | 12540 | for (i = 1; i < 32; i++) |
a7812ae4 | 12541 | cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, |
4b2eb8d2 TS |
12542 | offsetof(CPUState, active_tc.gpr[i]), |
12543 | regnames[i]); | |
a7812ae4 | 12544 | cpu_PC = tcg_global_mem_new(TCG_AREG0, |
4b2eb8d2 TS |
12545 | offsetof(CPUState, active_tc.PC), "PC"); |
12546 | for (i = 0; i < MIPS_DSP_ACC; i++) { | |
a7812ae4 | 12547 | cpu_HI[i] = tcg_global_mem_new(TCG_AREG0, |
4b2eb8d2 TS |
12548 | offsetof(CPUState, active_tc.HI[i]), |
12549 | regnames_HI[i]); | |
a7812ae4 | 12550 | cpu_LO[i] = tcg_global_mem_new(TCG_AREG0, |
4b2eb8d2 TS |
12551 | offsetof(CPUState, active_tc.LO[i]), |
12552 | regnames_LO[i]); | |
a7812ae4 | 12553 | cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0, |
4b2eb8d2 TS |
12554 | offsetof(CPUState, active_tc.ACX[i]), |
12555 | regnames_ACX[i]); | |
12556 | } | |
a7812ae4 | 12557 | cpu_dspctrl = tcg_global_mem_new(TCG_AREG0, |
4b2eb8d2 TS |
12558 | offsetof(CPUState, active_tc.DSPControl), |
12559 | "DSPControl"); | |
1ba74fb8 AJ |
12560 | bcond = tcg_global_mem_new(TCG_AREG0, |
12561 | offsetof(CPUState, bcond), "bcond"); | |
a7812ae4 | 12562 | btarget = tcg_global_mem_new(TCG_AREG0, |
d077b6f7 | 12563 | offsetof(CPUState, btarget), "btarget"); |
41db4607 AJ |
12564 | hflags = tcg_global_mem_new_i32(TCG_AREG0, |
12565 | offsetof(CPUState, hflags), "hflags"); | |
12566 | ||
a7812ae4 PB |
12567 | fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0, |
12568 | offsetof(CPUState, active_fpu.fcr0), | |
12569 | "fcr0"); | |
12570 | fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0, | |
12571 | offsetof(CPUState, active_fpu.fcr31), | |
12572 | "fcr31"); | |
39454628 | 12573 | |
7dd9e556 | 12574 | /* register helpers */ |
a7812ae4 | 12575 | #define GEN_HELPER 2 |
7dd9e556 TS |
12576 | #include "helper.h" |
12577 | ||
39454628 TS |
12578 | inited = 1; |
12579 | } | |
12580 | ||
aaed909a FB |
12581 | #include "translate_init.c" |
12582 | ||
12583 | CPUMIPSState *cpu_mips_init (const char *cpu_model) | |
6af0bf9c FB |
12584 | { |
12585 | CPUMIPSState *env; | |
c227f099 | 12586 | const mips_def_t *def; |
6af0bf9c | 12587 | |
aaed909a FB |
12588 | def = cpu_mips_find_by_name(cpu_model); |
12589 | if (!def) | |
12590 | return NULL; | |
6af0bf9c | 12591 | env = qemu_mallocz(sizeof(CPUMIPSState)); |
aaed909a | 12592 | env->cpu_model = def; |
51cc2e78 | 12593 | env->cpu_model_str = cpu_model; |
aaed909a | 12594 | |
173d6cfe | 12595 | cpu_exec_init(env); |
51cc2e78 BS |
12596 | #ifndef CONFIG_USER_ONLY |
12597 | mmu_init(env, def); | |
12598 | #endif | |
12599 | fpu_init(env, def); | |
12600 | mvp_init(env, def); | |
39454628 | 12601 | mips_tcg_init(); |
6ae81775 | 12602 | cpu_reset(env); |
0bf46a40 | 12603 | qemu_init_vcpu(env); |
6ae81775 TS |
12604 | return env; |
12605 | } | |
12606 | ||
12607 | void cpu_reset (CPUMIPSState *env) | |
12608 | { | |
eca1bdf4 AL |
12609 | if (qemu_loglevel_mask(CPU_LOG_RESET)) { |
12610 | qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); | |
12611 | log_cpu_state(env, 0); | |
12612 | } | |
12613 | ||
6ae81775 | 12614 | memset(env, 0, offsetof(CPUMIPSState, breakpoints)); |
6af0bf9c | 12615 | tlb_flush(env, 1); |
6ae81775 | 12616 | |
51cc2e78 BS |
12617 | /* Reset registers to their default values */ |
12618 | env->CP0_PRid = env->cpu_model->CP0_PRid; | |
12619 | env->CP0_Config0 = env->cpu_model->CP0_Config0; | |
12620 | #ifdef TARGET_WORDS_BIGENDIAN | |
12621 | env->CP0_Config0 |= (1 << CP0C0_BE); | |
12622 | #endif | |
12623 | env->CP0_Config1 = env->cpu_model->CP0_Config1; | |
12624 | env->CP0_Config2 = env->cpu_model->CP0_Config2; | |
12625 | env->CP0_Config3 = env->cpu_model->CP0_Config3; | |
12626 | env->CP0_Config6 = env->cpu_model->CP0_Config6; | |
12627 | env->CP0_Config7 = env->cpu_model->CP0_Config7; | |
2a6e32dd AJ |
12628 | env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask |
12629 | << env->cpu_model->CP0_LLAddr_shift; | |
12630 | env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift; | |
51cc2e78 BS |
12631 | env->SYNCI_Step = env->cpu_model->SYNCI_Step; |
12632 | env->CCRes = env->cpu_model->CCRes; | |
12633 | env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask; | |
12634 | env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask; | |
12635 | env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl; | |
12636 | env->current_tc = 0; | |
12637 | env->SEGBITS = env->cpu_model->SEGBITS; | |
12638 | env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1); | |
12639 | #if defined(TARGET_MIPS64) | |
12640 | if (env->cpu_model->insn_flags & ISA_MIPS3) { | |
12641 | env->SEGMask |= 3ULL << 62; | |
12642 | } | |
12643 | #endif | |
12644 | env->PABITS = env->cpu_model->PABITS; | |
12645 | env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1); | |
12646 | env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask; | |
12647 | env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0; | |
12648 | env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask; | |
12649 | env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1; | |
12650 | env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask; | |
12651 | env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2; | |
12652 | env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask; | |
12653 | env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3; | |
12654 | env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask; | |
12655 | env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4; | |
12656 | env->insn_flags = env->cpu_model->insn_flags; | |
12657 | ||
0eaef5aa | 12658 | #if defined(CONFIG_USER_ONLY) |
932e71cd | 12659 | env->hflags = MIPS_HFLAG_UM; |
df357f0e PB |
12660 | /* Enable access to the SYNCI_Step register. */ |
12661 | env->CP0_HWREna |= (1 << 1); | |
91a75935 NF |
12662 | if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
12663 | env->hflags |= MIPS_HFLAG_FPU; | |
12664 | } | |
12665 | #ifdef TARGET_MIPS64 | |
12666 | if (env->active_fpu.fcr0 & (1 << FCR0_F64)) { | |
12667 | env->hflags |= MIPS_HFLAG_F64; | |
12668 | } | |
12669 | #endif | |
932e71cd AJ |
12670 | #else |
12671 | if (env->hflags & MIPS_HFLAG_BMASK) { | |
12672 | /* If the exception was raised from a delay slot, | |
12673 | come back to the jump. */ | |
12674 | env->CP0_ErrorEPC = env->active_tc.PC - 4; | |
aa328add | 12675 | } else { |
932e71cd AJ |
12676 | env->CP0_ErrorEPC = env->active_tc.PC; |
12677 | } | |
12678 | env->active_tc.PC = (int32_t)0xBFC00000; | |
51cc2e78 BS |
12679 | env->CP0_Random = env->tlb->nb_tlb - 1; |
12680 | env->tlb->tlb_in_use = env->tlb->nb_tlb; | |
932e71cd AJ |
12681 | env->CP0_Wired = 0; |
12682 | /* SMP not implemented */ | |
12683 | env->CP0_EBase = 0x80000000; | |
12684 | env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); | |
12685 | /* vectored interrupts not implemented, timer on int 7, | |
12686 | no performance counters. */ | |
12687 | env->CP0_IntCtl = 0xe0000000; | |
12688 | { | |
12689 | int i; | |
12690 | ||
12691 | for (i = 0; i < 7; i++) { | |
12692 | env->CP0_WatchLo[i] = 0; | |
12693 | env->CP0_WatchHi[i] = 0x80000000; | |
fd88b6ab | 12694 | } |
932e71cd AJ |
12695 | env->CP0_WatchLo[7] = 0; |
12696 | env->CP0_WatchHi[7] = 0; | |
fd88b6ab | 12697 | } |
932e71cd AJ |
12698 | /* Count register increments in debug mode, EJTAG version 1 */ |
12699 | env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); | |
12700 | env->hflags = MIPS_HFLAG_CP0; | |
51cc2e78 BS |
12701 | #endif |
12702 | #if defined(TARGET_MIPS64) | |
12703 | if (env->cpu_model->insn_flags & ISA_MIPS3) { | |
12704 | env->hflags |= MIPS_HFLAG_64; | |
12705 | } | |
932e71cd | 12706 | #endif |
6af0bf9c | 12707 | env->exception_index = EXCP_NONE; |
6af0bf9c | 12708 | } |
d2856f1a AJ |
12709 | |
12710 | void gen_pc_load(CPUState *env, TranslationBlock *tb, | |
12711 | unsigned long searched_pc, int pc_pos, void *puc) | |
12712 | { | |
b5dc7732 | 12713 | env->active_tc.PC = gen_opc_pc[pc_pos]; |
d2856f1a AJ |
12714 | env->hflags &= ~MIPS_HFLAG_BMASK; |
12715 | env->hflags |= gen_opc_hflags[pc_pos]; | |
12716 | } |