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6af0bf9c FB |
1 | /* |
2 | * MIPS32 emulation for qemu: main translation routines. | |
3 | * | |
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) |
6af0bf9c FB |
7 | * |
8 | * This library is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2 of the License, or (at your option) any later version. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with this library; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
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" | |
32 | ||
eeef26cd | 33 | //#define MIPS_DEBUG_DISAS |
c570fd16 | 34 | //#define MIPS_DEBUG_SIGN_EXTENSIONS |
6af0bf9c FB |
35 | //#define MIPS_SINGLE_STEP |
36 | ||
c53be334 FB |
37 | #ifdef USE_DIRECT_JUMP |
38 | #define TBPARAM(x) | |
39 | #else | |
40 | #define TBPARAM(x) (long)(x) | |
41 | #endif | |
42 | ||
6af0bf9c FB |
43 | enum { |
44 | #define DEF(s, n, copy_size) INDEX_op_ ## s, | |
45 | #include "opc.h" | |
46 | #undef DEF | |
47 | NB_OPS, | |
48 | }; | |
49 | ||
50 | static uint16_t *gen_opc_ptr; | |
51 | static uint32_t *gen_opparam_ptr; | |
52 | ||
53 | #include "gen-op.h" | |
54 | ||
7a387fff TS |
55 | /* MIPS major opcodes */ |
56 | #define MASK_OP_MAJOR(op) (op & (0x3F << 26)) | |
e37e863f FB |
57 | |
58 | enum { | |
59 | /* indirect opcode tables */ | |
7a387fff TS |
60 | OPC_SPECIAL = (0x00 << 26), |
61 | OPC_REGIMM = (0x01 << 26), | |
62 | OPC_CP0 = (0x10 << 26), | |
63 | OPC_CP1 = (0x11 << 26), | |
64 | OPC_CP2 = (0x12 << 26), | |
65 | OPC_CP3 = (0x13 << 26), | |
66 | OPC_SPECIAL2 = (0x1C << 26), | |
67 | OPC_SPECIAL3 = (0x1F << 26), | |
e37e863f | 68 | /* arithmetic with immediate */ |
7a387fff TS |
69 | OPC_ADDI = (0x08 << 26), |
70 | OPC_ADDIU = (0x09 << 26), | |
71 | OPC_SLTI = (0x0A << 26), | |
72 | OPC_SLTIU = (0x0B << 26), | |
73 | OPC_ANDI = (0x0C << 26), | |
74 | OPC_ORI = (0x0D << 26), | |
75 | OPC_XORI = (0x0E << 26), | |
76 | OPC_LUI = (0x0F << 26), | |
77 | OPC_DADDI = (0x18 << 26), | |
78 | OPC_DADDIU = (0x19 << 26), | |
e37e863f | 79 | /* Jump and branches */ |
7a387fff TS |
80 | OPC_J = (0x02 << 26), |
81 | OPC_JAL = (0x03 << 26), | |
82 | OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ | |
83 | OPC_BEQL = (0x14 << 26), | |
84 | OPC_BNE = (0x05 << 26), | |
85 | OPC_BNEL = (0x15 << 26), | |
86 | OPC_BLEZ = (0x06 << 26), | |
87 | OPC_BLEZL = (0x16 << 26), | |
88 | OPC_BGTZ = (0x07 << 26), | |
89 | OPC_BGTZL = (0x17 << 26), | |
90 | OPC_JALX = (0x1D << 26), /* MIPS 16 only */ | |
e37e863f | 91 | /* Load and stores */ |
7a387fff TS |
92 | OPC_LDL = (0x1A << 26), |
93 | OPC_LDR = (0x1B << 26), | |
94 | OPC_LB = (0x20 << 26), | |
95 | OPC_LH = (0x21 << 26), | |
96 | OPC_LWL = (0x22 << 26), | |
97 | OPC_LW = (0x23 << 26), | |
98 | OPC_LBU = (0x24 << 26), | |
99 | OPC_LHU = (0x25 << 26), | |
100 | OPC_LWR = (0x26 << 26), | |
101 | OPC_LWU = (0x27 << 26), | |
102 | OPC_SB = (0x28 << 26), | |
103 | OPC_SH = (0x29 << 26), | |
104 | OPC_SWL = (0x2A << 26), | |
105 | OPC_SW = (0x2B << 26), | |
106 | OPC_SDL = (0x2C << 26), | |
107 | OPC_SDR = (0x2D << 26), | |
108 | OPC_SWR = (0x2E << 26), | |
109 | OPC_LL = (0x30 << 26), | |
110 | OPC_LLD = (0x34 << 26), | |
111 | OPC_LD = (0x37 << 26), | |
112 | OPC_SC = (0x38 << 26), | |
113 | OPC_SCD = (0x3C << 26), | |
114 | OPC_SD = (0x3F << 26), | |
e37e863f | 115 | /* Floating point load/store */ |
7a387fff TS |
116 | OPC_LWC1 = (0x31 << 26), |
117 | OPC_LWC2 = (0x32 << 26), | |
118 | OPC_LDC1 = (0x35 << 26), | |
119 | OPC_LDC2 = (0x36 << 26), | |
120 | OPC_SWC1 = (0x39 << 26), | |
121 | OPC_SWC2 = (0x3A << 26), | |
122 | OPC_SDC1 = (0x3D << 26), | |
123 | OPC_SDC2 = (0x3E << 26), | |
124 | /* MDMX ASE specific */ | |
125 | OPC_MDMX = (0x1E << 26), | |
e37e863f | 126 | /* Cache and prefetch */ |
7a387fff TS |
127 | OPC_CACHE = (0x2F << 26), |
128 | OPC_PREF = (0x33 << 26), | |
129 | /* Reserved major opcode */ | |
130 | OPC_MAJOR3B_RESERVED = (0x3B << 26), | |
e37e863f FB |
131 | }; |
132 | ||
133 | /* MIPS special opcodes */ | |
7a387fff TS |
134 | #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
135 | ||
e37e863f FB |
136 | enum { |
137 | /* Shifts */ | |
7a387fff | 138 | OPC_SLL = 0x00 | OPC_SPECIAL, |
e37e863f FB |
139 | /* NOP is SLL r0, r0, 0 */ |
140 | /* SSNOP is SLL r0, r0, 1 */ | |
7a387fff TS |
141 | /* EHB is SLL r0, r0, 3 */ |
142 | OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ | |
143 | OPC_SRA = 0x03 | OPC_SPECIAL, | |
144 | OPC_SLLV = 0x04 | OPC_SPECIAL, | |
145 | OPC_SRLV = 0x06 | OPC_SPECIAL, | |
146 | OPC_SRAV = 0x07 | OPC_SPECIAL, | |
147 | OPC_DSLLV = 0x14 | OPC_SPECIAL, | |
148 | OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ | |
149 | OPC_DSRAV = 0x17 | OPC_SPECIAL, | |
150 | OPC_DSLL = 0x38 | OPC_SPECIAL, | |
151 | OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ | |
152 | OPC_DSRA = 0x3B | OPC_SPECIAL, | |
153 | OPC_DSLL32 = 0x3C | OPC_SPECIAL, | |
154 | OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ | |
155 | OPC_DSRA32 = 0x3F | OPC_SPECIAL, | |
e37e863f | 156 | /* Multiplication / division */ |
7a387fff TS |
157 | OPC_MULT = 0x18 | OPC_SPECIAL, |
158 | OPC_MULTU = 0x19 | OPC_SPECIAL, | |
159 | OPC_DIV = 0x1A | OPC_SPECIAL, | |
160 | OPC_DIVU = 0x1B | OPC_SPECIAL, | |
161 | OPC_DMULT = 0x1C | OPC_SPECIAL, | |
162 | OPC_DMULTU = 0x1D | OPC_SPECIAL, | |
163 | OPC_DDIV = 0x1E | OPC_SPECIAL, | |
164 | OPC_DDIVU = 0x1F | OPC_SPECIAL, | |
e37e863f | 165 | /* 2 registers arithmetic / logic */ |
7a387fff TS |
166 | OPC_ADD = 0x20 | OPC_SPECIAL, |
167 | OPC_ADDU = 0x21 | OPC_SPECIAL, | |
168 | OPC_SUB = 0x22 | OPC_SPECIAL, | |
169 | OPC_SUBU = 0x23 | OPC_SPECIAL, | |
170 | OPC_AND = 0x24 | OPC_SPECIAL, | |
171 | OPC_OR = 0x25 | OPC_SPECIAL, | |
172 | OPC_XOR = 0x26 | OPC_SPECIAL, | |
173 | OPC_NOR = 0x27 | OPC_SPECIAL, | |
174 | OPC_SLT = 0x2A | OPC_SPECIAL, | |
175 | OPC_SLTU = 0x2B | OPC_SPECIAL, | |
176 | OPC_DADD = 0x2C | OPC_SPECIAL, | |
177 | OPC_DADDU = 0x2D | OPC_SPECIAL, | |
178 | OPC_DSUB = 0x2E | OPC_SPECIAL, | |
179 | OPC_DSUBU = 0x2F | OPC_SPECIAL, | |
e37e863f | 180 | /* Jumps */ |
7a387fff TS |
181 | OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ |
182 | OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ | |
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 */ | |
7a387fff TS |
202 | OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */ |
203 | OPC_SYSCALL = 0x0C | OPC_SPECIAL, | |
204 | OPC_BREAK = 0x0D | OPC_SPECIAL, | |
205 | OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */ | |
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 | ||
217 | /* REGIMM (rt field) opcodes */ | |
218 | #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) | |
219 | ||
220 | enum { | |
221 | OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, | |
222 | OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, | |
223 | OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, | |
224 | OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, | |
225 | OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, | |
226 | OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, | |
227 | OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, | |
228 | OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, | |
229 | OPC_TGEI = (0x08 << 16) | OPC_REGIMM, | |
230 | OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, | |
231 | OPC_TLTI = (0x0A << 16) | OPC_REGIMM, | |
232 | OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, | |
233 | OPC_TEQI = (0x0C << 16) | OPC_REGIMM, | |
234 | OPC_TNEI = (0x0E << 16) | OPC_REGIMM, | |
235 | OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, | |
e37e863f FB |
236 | }; |
237 | ||
7a387fff TS |
238 | /* Special2 opcodes */ |
239 | #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) | |
240 | ||
e37e863f | 241 | enum { |
7a387fff TS |
242 | /* Multiply & xxx operations */ |
243 | OPC_MADD = 0x00 | OPC_SPECIAL2, | |
244 | OPC_MADDU = 0x01 | OPC_SPECIAL2, | |
245 | OPC_MUL = 0x02 | OPC_SPECIAL2, | |
246 | OPC_MSUB = 0x04 | OPC_SPECIAL2, | |
247 | OPC_MSUBU = 0x05 | OPC_SPECIAL2, | |
e37e863f | 248 | /* Misc */ |
7a387fff TS |
249 | OPC_CLZ = 0x20 | OPC_SPECIAL2, |
250 | OPC_CLO = 0x21 | OPC_SPECIAL2, | |
251 | OPC_DCLZ = 0x24 | OPC_SPECIAL2, | |
252 | OPC_DCLO = 0x25 | OPC_SPECIAL2, | |
e37e863f | 253 | /* Special */ |
7a387fff TS |
254 | OPC_SDBBP = 0x3F | OPC_SPECIAL2, |
255 | }; | |
256 | ||
257 | /* Special3 opcodes */ | |
258 | #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) | |
259 | ||
260 | enum { | |
261 | OPC_EXT = 0x00 | OPC_SPECIAL3, | |
262 | OPC_DEXTM = 0x01 | OPC_SPECIAL3, | |
263 | OPC_DEXTU = 0x02 | OPC_SPECIAL3, | |
264 | OPC_DEXT = 0x03 | OPC_SPECIAL3, | |
265 | OPC_INS = 0x04 | OPC_SPECIAL3, | |
266 | OPC_DINSM = 0x05 | OPC_SPECIAL3, | |
267 | OPC_DINSU = 0x06 | OPC_SPECIAL3, | |
268 | OPC_DINS = 0x07 | OPC_SPECIAL3, | |
269 | OPC_BSHFL = 0x20 | OPC_SPECIAL3, | |
270 | OPC_DBSHFL = 0x24 | OPC_SPECIAL3, | |
271 | OPC_RDHWR = 0x3B | OPC_SPECIAL3, | |
e37e863f FB |
272 | }; |
273 | ||
7a387fff TS |
274 | /* BSHFL opcodes */ |
275 | #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) | |
276 | ||
e37e863f | 277 | enum { |
7a387fff TS |
278 | OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
279 | OPC_SEB = (0x10 << 6) | OPC_BSHFL, | |
280 | OPC_SEH = (0x18 << 6) | OPC_BSHFL, | |
e37e863f FB |
281 | }; |
282 | ||
7a387fff TS |
283 | /* DBSHFL opcodes */ |
284 | #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) | |
285 | ||
e37e863f | 286 | enum { |
7a387fff TS |
287 | OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
288 | OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, | |
e37e863f FB |
289 | }; |
290 | ||
7a387fff TS |
291 | /* Coprocessor 0 (rs field) */ |
292 | #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
293 | ||
6ea83fed | 294 | enum { |
7a387fff TS |
295 | OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
296 | OPC_DMFC0 = (0x01 << 21) | OPC_CP0, | |
297 | OPC_MTC0 = (0x04 << 21) | OPC_CP0, | |
298 | OPC_DMTC0 = (0x05 << 21) | OPC_CP0, | |
299 | OPC_RDPGPR = (0x0A << 21) | OPC_CP0, | |
300 | OPC_MFMC0 = (0x0B << 21) | OPC_CP0, | |
301 | OPC_WRPGPR = (0x0E << 21) | OPC_CP0, | |
302 | OPC_C0 = (0x10 << 21) | OPC_CP0, | |
303 | OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, | |
304 | OPC_C0_LAST = (0x1F << 21) | OPC_CP0, | |
6ea83fed | 305 | }; |
7a387fff TS |
306 | |
307 | /* MFMC0 opcodes */ | |
308 | #define MASK_MFMC0(op) MASK_CP0(op) | (op & ((0x0C << 11) | (1 << 5))) | |
309 | ||
310 | enum { | |
311 | OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, | |
312 | OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, | |
313 | }; | |
314 | ||
315 | /* Coprocessor 0 (with rs == C0) */ | |
316 | #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) | |
317 | ||
318 | enum { | |
319 | OPC_TLBR = 0x01 | OPC_C0, | |
320 | OPC_TLBWI = 0x02 | OPC_C0, | |
321 | OPC_TLBWR = 0x06 | OPC_C0, | |
322 | OPC_TLBP = 0x08 | OPC_C0, | |
323 | OPC_RFE = 0x10 | OPC_C0, | |
324 | OPC_ERET = 0x18 | OPC_C0, | |
325 | OPC_DERET = 0x1F | OPC_C0, | |
326 | OPC_WAIT = 0x20 | OPC_C0, | |
327 | }; | |
328 | ||
329 | /* Coprocessor 1 (rs field) */ | |
330 | #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
331 | ||
332 | enum { | |
333 | OPC_MFC1 = (0x00 << 21) | OPC_CP1, | |
334 | OPC_DMFC1 = (0x01 << 21) | OPC_CP1, | |
335 | OPC_CFC1 = (0x02 << 21) | OPC_CP1, | |
336 | OPC_MFHCI = (0x03 << 21) | OPC_CP1, | |
337 | OPC_MTC1 = (0x04 << 21) | OPC_CP1, | |
338 | OPC_DMTC1 = (0x05 << 21) | OPC_CP1, | |
339 | OPC_CTC1 = (0x06 << 21) | OPC_CP1, | |
340 | OPC_MTHCI = (0x07 << 21) | OPC_CP1, | |
341 | OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ | |
342 | OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ | |
343 | OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ | |
344 | OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ | |
345 | OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ | |
346 | OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ | |
347 | OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ | |
348 | }; | |
349 | ||
350 | enum { | |
351 | OPC_BC1F = (0x00 << 16) | OPC_BC1, | |
352 | OPC_BC1T = (0x01 << 16) | OPC_BC1, | |
353 | OPC_BC1FL = (0x02 << 16) | OPC_BC1, | |
354 | OPC_BC1TL = (0x03 << 16) | OPC_BC1, | |
355 | }; | |
356 | ||
e1449664 TS |
357 | #define MASK_CP1_BCOND(op) MASK_CP1(op) | (op & (0x3 << 16)) |
358 | #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) | |
7a387fff TS |
359 | |
360 | #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
361 | #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | |
6ea83fed | 362 | |
6af0bf9c FB |
363 | const unsigned char *regnames[] = |
364 | { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", | |
365 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", | |
366 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", | |
367 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; | |
368 | ||
369 | /* Warning: no function for r0 register (hard wired to zero) */ | |
370 | #define GEN32(func, NAME) \ | |
371 | static GenOpFunc *NAME ## _table [32] = { \ | |
372 | NULL, NAME ## 1, NAME ## 2, NAME ## 3, \ | |
373 | NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ | |
374 | NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ | |
375 | NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ | |
376 | NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ | |
377 | NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ | |
378 | NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ | |
379 | NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ | |
380 | }; \ | |
381 | static inline void func(int n) \ | |
382 | { \ | |
383 | NAME ## _table[n](); \ | |
384 | } | |
385 | ||
386 | /* General purpose registers moves */ | |
387 | GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); | |
388 | GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); | |
389 | GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); | |
390 | ||
391 | GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); | |
392 | GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); | |
393 | ||
71fb7241 TS |
394 | #ifdef MIPS_USES_FPU |
395 | ||
7a387fff | 396 | static const char *fregnames[] = |
6ea83fed FB |
397 | { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
398 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", | |
399 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", | |
400 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; | |
401 | ||
402 | # define SFGEN32(func, NAME) \ | |
403 | static GenOpFunc *NAME ## _table [32] = { \ | |
404 | NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ | |
405 | NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ | |
406 | NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ | |
407 | NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ | |
408 | NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ | |
409 | NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ | |
410 | NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ | |
411 | NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ | |
412 | }; \ | |
413 | static inline void func(int n) \ | |
414 | { \ | |
415 | NAME ## _table[n](); \ | |
416 | } | |
417 | ||
418 | # define DFGEN32(func, NAME) \ | |
419 | static GenOpFunc *NAME ## _table [32] = { \ | |
420 | NAME ## 0, 0, NAME ## 2, 0, \ | |
421 | NAME ## 4, 0, NAME ## 6, 0, \ | |
422 | NAME ## 8, 0, NAME ## 10, 0, \ | |
423 | NAME ## 12, 0, NAME ## 14, 0, \ | |
424 | NAME ## 16, 0, NAME ## 18, 0, \ | |
425 | NAME ## 20, 0, NAME ## 22, 0, \ | |
426 | NAME ## 24, 0, NAME ## 26, 0, \ | |
427 | NAME ## 28, 0, NAME ## 30, 0, \ | |
428 | }; \ | |
429 | static inline void func(int n) \ | |
430 | { \ | |
431 | NAME ## _table[n](); \ | |
432 | } | |
433 | ||
434 | SFGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr); | |
435 | SFGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr); | |
436 | ||
437 | SFGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr); | |
438 | SFGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr); | |
439 | ||
440 | SFGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr); | |
441 | SFGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr); | |
442 | ||
443 | DFGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr); | |
444 | DFGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr); | |
445 | ||
446 | DFGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr); | |
447 | DFGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr); | |
448 | ||
449 | DFGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr); | |
450 | DFGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr); | |
451 | ||
452 | #define FOP_CONDS(fmt) \ | |
453 | static GenOpFunc * cond_ ## fmt ## _table[16] = { \ | |
454 | gen_op_cmp_ ## fmt ## _f, \ | |
455 | gen_op_cmp_ ## fmt ## _un, \ | |
456 | gen_op_cmp_ ## fmt ## _eq, \ | |
457 | gen_op_cmp_ ## fmt ## _ueq, \ | |
458 | gen_op_cmp_ ## fmt ## _olt, \ | |
459 | gen_op_cmp_ ## fmt ## _ult, \ | |
460 | gen_op_cmp_ ## fmt ## _ole, \ | |
461 | gen_op_cmp_ ## fmt ## _ule, \ | |
462 | gen_op_cmp_ ## fmt ## _sf, \ | |
463 | gen_op_cmp_ ## fmt ## _ngle, \ | |
464 | gen_op_cmp_ ## fmt ## _seq, \ | |
465 | gen_op_cmp_ ## fmt ## _ngl, \ | |
466 | gen_op_cmp_ ## fmt ## _lt, \ | |
467 | gen_op_cmp_ ## fmt ## _nge, \ | |
468 | gen_op_cmp_ ## fmt ## _le, \ | |
469 | gen_op_cmp_ ## fmt ## _ngt, \ | |
470 | }; \ | |
471 | static inline void gen_cmp_ ## fmt(int n) \ | |
472 | { \ | |
473 | cond_ ## fmt ## _table[n](); \ | |
474 | } | |
475 | ||
476 | FOP_CONDS(d) | |
477 | FOP_CONDS(s) | |
478 | ||
71fb7241 TS |
479 | #endif /* MIPS_USES_FPU */ |
480 | ||
6af0bf9c FB |
481 | typedef struct DisasContext { |
482 | struct TranslationBlock *tb; | |
483 | target_ulong pc, saved_pc; | |
484 | uint32_t opcode; | |
485 | /* Routine used to access memory */ | |
486 | int mem_idx; | |
487 | uint32_t hflags, saved_hflags; | |
488 | uint32_t CP0_Status; | |
489 | int bstate; | |
490 | target_ulong btarget; | |
491 | } DisasContext; | |
492 | ||
493 | enum { | |
494 | BS_NONE = 0, /* We go out of the TB without reaching a branch or an | |
495 | * exception condition | |
496 | */ | |
497 | BS_STOP = 1, /* We want to stop translation for any reason */ | |
498 | BS_BRANCH = 2, /* We reached a branch condition */ | |
499 | BS_EXCP = 3, /* We reached an exception condition */ | |
500 | }; | |
501 | ||
502 | #if defined MIPS_DEBUG_DISAS | |
503 | #define MIPS_DEBUG(fmt, args...) \ | |
504 | do { \ | |
505 | if (loglevel & CPU_LOG_TB_IN_ASM) { \ | |
c570fd16 | 506 | fprintf(logfile, TLSZ ": %08x " fmt "\n", \ |
6af0bf9c FB |
507 | ctx->pc, ctx->opcode , ##args); \ |
508 | } \ | |
509 | } while (0) | |
510 | #else | |
511 | #define MIPS_DEBUG(fmt, args...) do { } while(0) | |
512 | #endif | |
513 | ||
514 | #define MIPS_INVAL(op) \ | |
515 | do { \ | |
516 | MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ | |
517 | ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ | |
518 | } while (0) | |
519 | ||
520 | #define GEN_LOAD_REG_TN(Tn, Rn) \ | |
521 | do { \ | |
522 | if (Rn == 0) { \ | |
523 | glue(gen_op_reset_, Tn)(); \ | |
524 | } else { \ | |
525 | glue(gen_op_load_gpr_, Tn)(Rn); \ | |
526 | } \ | |
527 | } while (0) | |
528 | ||
529 | #define GEN_LOAD_IMM_TN(Tn, Imm) \ | |
530 | do { \ | |
531 | if (Imm == 0) { \ | |
532 | glue(gen_op_reset_, Tn)(); \ | |
533 | } else { \ | |
534 | glue(gen_op_set_, Tn)(Imm); \ | |
535 | } \ | |
536 | } while (0) | |
537 | ||
538 | #define GEN_STORE_TN_REG(Rn, Tn) \ | |
539 | do { \ | |
540 | if (Rn != 0) { \ | |
541 | glue(glue(gen_op_store_, Tn),_gpr)(Rn); \ | |
542 | } \ | |
543 | } while (0) | |
544 | ||
7a387fff | 545 | #define GEN_LOAD_FREG_FTN(FTn, Fn) \ |
6ea83fed FB |
546 | do { \ |
547 | glue(gen_op_load_fpr_, FTn)(Fn); \ | |
548 | } while (0) | |
549 | ||
550 | #define GEN_STORE_FTN_FREG(Fn, FTn) \ | |
551 | do { \ | |
552 | glue(gen_op_store_fpr_, FTn)(Fn); \ | |
553 | } while (0) | |
554 | ||
6af0bf9c FB |
555 | static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
556 | { | |
557 | #if defined MIPS_DEBUG_DISAS | |
558 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
559 | fprintf(logfile, "hflags %08x saved %08x\n", | |
560 | ctx->hflags, ctx->saved_hflags); | |
561 | } | |
562 | #endif | |
563 | if (do_save_pc && ctx->pc != ctx->saved_pc) { | |
564 | gen_op_save_pc(ctx->pc); | |
565 | ctx->saved_pc = ctx->pc; | |
566 | } | |
567 | if (ctx->hflags != ctx->saved_hflags) { | |
568 | gen_op_save_state(ctx->hflags); | |
569 | ctx->saved_hflags = ctx->hflags; | |
570 | if (ctx->hflags & MIPS_HFLAG_BR) { | |
571 | gen_op_save_breg_target(); | |
572 | } else if (ctx->hflags & MIPS_HFLAG_B) { | |
573 | gen_op_save_btarget(ctx->btarget); | |
574 | } else if (ctx->hflags & MIPS_HFLAG_BMASK) { | |
575 | gen_op_save_bcond(); | |
576 | gen_op_save_btarget(ctx->btarget); | |
577 | } | |
578 | } | |
579 | } | |
580 | ||
4ad40f36 | 581 | static inline void generate_exception_err (DisasContext *ctx, int excp, int err) |
6af0bf9c FB |
582 | { |
583 | #if defined MIPS_DEBUG_DISAS | |
584 | if (loglevel & CPU_LOG_TB_IN_ASM) | |
585 | fprintf(logfile, "%s: raise exception %d\n", __func__, excp); | |
586 | #endif | |
587 | save_cpu_state(ctx, 1); | |
4ad40f36 FB |
588 | if (err == 0) |
589 | gen_op_raise_exception(excp); | |
590 | else | |
591 | gen_op_raise_exception_err(excp, err); | |
6af0bf9c FB |
592 | ctx->bstate = BS_EXCP; |
593 | } | |
594 | ||
4ad40f36 FB |
595 | static inline void generate_exception (DisasContext *ctx, int excp) |
596 | { | |
597 | generate_exception_err (ctx, excp, 0); | |
598 | } | |
599 | ||
6af0bf9c FB |
600 | #if defined(CONFIG_USER_ONLY) |
601 | #define op_ldst(name) gen_op_##name##_raw() | |
602 | #define OP_LD_TABLE(width) | |
603 | #define OP_ST_TABLE(width) | |
604 | #else | |
605 | #define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() | |
606 | #define OP_LD_TABLE(width) \ | |
607 | static GenOpFunc *gen_op_l##width[] = { \ | |
608 | &gen_op_l##width##_user, \ | |
609 | &gen_op_l##width##_kernel, \ | |
610 | } | |
611 | #define OP_ST_TABLE(width) \ | |
612 | static GenOpFunc *gen_op_s##width[] = { \ | |
613 | &gen_op_s##width##_user, \ | |
614 | &gen_op_s##width##_kernel, \ | |
615 | } | |
616 | #endif | |
617 | ||
7a387fff | 618 | #ifdef MIPS_HAS_MIPS64 |
6af0bf9c FB |
619 | OP_LD_TABLE(d); |
620 | OP_LD_TABLE(dl); | |
621 | OP_LD_TABLE(dr); | |
622 | OP_ST_TABLE(d); | |
623 | OP_ST_TABLE(dl); | |
624 | OP_ST_TABLE(dr); | |
c570fd16 TS |
625 | OP_LD_TABLE(ld); |
626 | OP_ST_TABLE(cd); | |
6af0bf9c FB |
627 | #endif |
628 | OP_LD_TABLE(w); | |
d796321b | 629 | OP_LD_TABLE(wu); |
6af0bf9c FB |
630 | OP_LD_TABLE(wl); |
631 | OP_LD_TABLE(wr); | |
632 | OP_ST_TABLE(w); | |
633 | OP_ST_TABLE(wl); | |
634 | OP_ST_TABLE(wr); | |
635 | OP_LD_TABLE(h); | |
636 | OP_LD_TABLE(hu); | |
637 | OP_ST_TABLE(h); | |
638 | OP_LD_TABLE(b); | |
639 | OP_LD_TABLE(bu); | |
640 | OP_ST_TABLE(b); | |
641 | OP_LD_TABLE(l); | |
642 | OP_ST_TABLE(c); | |
71fb7241 | 643 | #ifdef MIPS_USES_FPU |
6ea83fed FB |
644 | OP_LD_TABLE(wc1); |
645 | OP_ST_TABLE(wc1); | |
646 | OP_LD_TABLE(dc1); | |
647 | OP_ST_TABLE(dc1); | |
71fb7241 | 648 | #endif |
6af0bf9c FB |
649 | |
650 | /* Load and store */ | |
7a387fff | 651 | static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
6af0bf9c FB |
652 | int base, int16_t offset) |
653 | { | |
7a387fff | 654 | const char *opn = "unk"; |
6af0bf9c FB |
655 | |
656 | if (base == 0) { | |
657 | GEN_LOAD_IMM_TN(T0, offset); | |
658 | } else if (offset == 0) { | |
659 | gen_op_load_gpr_T0(base); | |
660 | } else { | |
661 | gen_op_load_gpr_T0(base); | |
662 | gen_op_set_T1(offset); | |
663 | gen_op_add(); | |
664 | } | |
665 | /* Don't do NOP if destination is zero: we must perform the actual | |
666 | * memory access | |
667 | */ | |
668 | switch (opc) { | |
7a387fff | 669 | #ifdef MIPS_HAS_MIPS64 |
6af0bf9c | 670 | case OPC_LD: |
6af0bf9c FB |
671 | op_ldst(ld); |
672 | GEN_STORE_TN_REG(rt, T0); | |
673 | opn = "ld"; | |
674 | break; | |
7a387fff TS |
675 | case OPC_LLD: |
676 | op_ldst(lld); | |
677 | GEN_STORE_TN_REG(rt, T0); | |
678 | opn = "lld"; | |
679 | break; | |
6af0bf9c | 680 | case OPC_SD: |
6af0bf9c FB |
681 | GEN_LOAD_REG_TN(T1, rt); |
682 | op_ldst(sd); | |
683 | opn = "sd"; | |
684 | break; | |
7a387fff TS |
685 | case OPC_SCD: |
686 | GEN_LOAD_REG_TN(T1, rt); | |
687 | op_ldst(scd); | |
688 | opn = "scd"; | |
689 | break; | |
6af0bf9c FB |
690 | case OPC_LDL: |
691 | op_ldst(ldl); | |
692 | GEN_STORE_TN_REG(rt, T0); | |
693 | opn = "ldl"; | |
694 | break; | |
695 | case OPC_SDL: | |
696 | GEN_LOAD_REG_TN(T1, rt); | |
697 | op_ldst(sdl); | |
698 | opn = "sdl"; | |
699 | break; | |
700 | case OPC_LDR: | |
701 | op_ldst(ldr); | |
702 | GEN_STORE_TN_REG(rt, T0); | |
703 | opn = "ldr"; | |
704 | break; | |
705 | case OPC_SDR: | |
706 | GEN_LOAD_REG_TN(T1, rt); | |
707 | op_ldst(sdr); | |
708 | opn = "sdr"; | |
709 | break; | |
710 | #endif | |
711 | case OPC_LW: | |
6af0bf9c FB |
712 | op_ldst(lw); |
713 | GEN_STORE_TN_REG(rt, T0); | |
714 | opn = "lw"; | |
715 | break; | |
d796321b FB |
716 | case OPC_LWU: |
717 | op_ldst(lwu); | |
718 | GEN_STORE_TN_REG(rt, T0); | |
719 | opn = "lwu"; | |
720 | break; | |
6af0bf9c | 721 | case OPC_SW: |
6af0bf9c FB |
722 | GEN_LOAD_REG_TN(T1, rt); |
723 | op_ldst(sw); | |
724 | opn = "sw"; | |
725 | break; | |
726 | case OPC_LH: | |
6af0bf9c FB |
727 | op_ldst(lh); |
728 | GEN_STORE_TN_REG(rt, T0); | |
729 | opn = "lh"; | |
730 | break; | |
731 | case OPC_SH: | |
6af0bf9c FB |
732 | GEN_LOAD_REG_TN(T1, rt); |
733 | op_ldst(sh); | |
734 | opn = "sh"; | |
735 | break; | |
736 | case OPC_LHU: | |
6af0bf9c FB |
737 | op_ldst(lhu); |
738 | GEN_STORE_TN_REG(rt, T0); | |
739 | opn = "lhu"; | |
740 | break; | |
741 | case OPC_LB: | |
742 | op_ldst(lb); | |
743 | GEN_STORE_TN_REG(rt, T0); | |
744 | opn = "lb"; | |
745 | break; | |
746 | case OPC_SB: | |
747 | GEN_LOAD_REG_TN(T1, rt); | |
748 | op_ldst(sb); | |
749 | opn = "sb"; | |
750 | break; | |
751 | case OPC_LBU: | |
752 | op_ldst(lbu); | |
753 | GEN_STORE_TN_REG(rt, T0); | |
754 | opn = "lbu"; | |
755 | break; | |
756 | case OPC_LWL: | |
9d1d106a | 757 | GEN_LOAD_REG_TN(T1, rt); |
6af0bf9c FB |
758 | op_ldst(lwl); |
759 | GEN_STORE_TN_REG(rt, T0); | |
760 | opn = "lwl"; | |
761 | break; | |
762 | case OPC_SWL: | |
763 | GEN_LOAD_REG_TN(T1, rt); | |
764 | op_ldst(swl); | |
765 | opn = "swr"; | |
766 | break; | |
767 | case OPC_LWR: | |
9d1d106a | 768 | GEN_LOAD_REG_TN(T1, rt); |
6af0bf9c FB |
769 | op_ldst(lwr); |
770 | GEN_STORE_TN_REG(rt, T0); | |
771 | opn = "lwr"; | |
772 | break; | |
773 | case OPC_SWR: | |
774 | GEN_LOAD_REG_TN(T1, rt); | |
775 | op_ldst(swr); | |
776 | opn = "swr"; | |
777 | break; | |
778 | case OPC_LL: | |
779 | op_ldst(ll); | |
780 | GEN_STORE_TN_REG(rt, T0); | |
781 | opn = "ll"; | |
782 | break; | |
783 | case OPC_SC: | |
784 | GEN_LOAD_REG_TN(T1, rt); | |
785 | op_ldst(sc); | |
786 | GEN_STORE_TN_REG(rt, T0); | |
787 | opn = "sc"; | |
788 | break; | |
789 | default: | |
790 | MIPS_INVAL("load/store"); | |
791 | generate_exception(ctx, EXCP_RI); | |
792 | return; | |
793 | } | |
794 | MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); | |
795 | } | |
796 | ||
71fb7241 TS |
797 | #ifdef MIPS_USES_FPU |
798 | ||
6ea83fed | 799 | /* Load and store */ |
7a387fff | 800 | static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
6ea83fed FB |
801 | int base, int16_t offset) |
802 | { | |
7a387fff | 803 | const char *opn = "unk"; |
6ea83fed FB |
804 | |
805 | if (base == 0) { | |
806 | GEN_LOAD_IMM_TN(T0, offset); | |
807 | } else if (offset == 0) { | |
808 | gen_op_load_gpr_T0(base); | |
809 | } else { | |
810 | gen_op_load_gpr_T0(base); | |
811 | gen_op_set_T1(offset); | |
812 | gen_op_add(); | |
813 | } | |
814 | /* Don't do NOP if destination is zero: we must perform the actual | |
815 | * memory access | |
816 | */ | |
817 | switch (opc) { | |
818 | case OPC_LWC1: | |
819 | op_ldst(lwc1); | |
820 | GEN_STORE_FTN_FREG(ft, WT0); | |
821 | opn = "lwc1"; | |
822 | break; | |
823 | case OPC_SWC1: | |
824 | GEN_LOAD_FREG_FTN(WT0, ft); | |
825 | op_ldst(swc1); | |
826 | opn = "swc1"; | |
827 | break; | |
828 | case OPC_LDC1: | |
829 | op_ldst(ldc1); | |
830 | GEN_STORE_FTN_FREG(ft, DT0); | |
831 | opn = "ldc1"; | |
832 | break; | |
833 | case OPC_SDC1: | |
834 | GEN_LOAD_FREG_FTN(DT0, ft); | |
835 | op_ldst(sdc1); | |
836 | opn = "sdc1"; | |
837 | break; | |
838 | default: | |
839 | MIPS_INVAL("float load/store"); | |
7a387fff | 840 | generate_exception_err(ctx, EXCP_CpU, 1); |
6ea83fed FB |
841 | return; |
842 | } | |
843 | MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]); | |
844 | } | |
6ea83fed | 845 | |
71fb7241 TS |
846 | #endif /* MIPS_USES_FPU */ |
847 | ||
6af0bf9c | 848 | /* Arithmetic with immediate operand */ |
7a387fff | 849 | static void gen_arith_imm (DisasContext *ctx, uint32_t opc, int rt, |
6af0bf9c FB |
850 | int rs, int16_t imm) |
851 | { | |
852 | uint32_t uimm; | |
7a387fff | 853 | const char *opn = "unk"; |
6af0bf9c | 854 | |
7a387fff | 855 | if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
6af0bf9c FB |
856 | /* if no destination, treat it as a NOP |
857 | * For addi, we must generate the overflow exception when needed. | |
858 | */ | |
859 | MIPS_DEBUG("NOP"); | |
860 | return; | |
861 | } | |
862 | if (opc == OPC_ADDI || opc == OPC_ADDIU || | |
7a387fff | 863 | opc == OPC_DADDI || opc == OPC_DADDIU || |
6af0bf9c | 864 | opc == OPC_SLTI || opc == OPC_SLTIU) |
7a387fff | 865 | uimm = (int32_t)imm; /* Sign extend to 32 bits */ |
6af0bf9c FB |
866 | else |
867 | uimm = (uint16_t)imm; | |
868 | if (opc != OPC_LUI) { | |
869 | GEN_LOAD_REG_TN(T0, rs); | |
870 | GEN_LOAD_IMM_TN(T1, uimm); | |
871 | } else { | |
872 | uimm = uimm << 16; | |
873 | GEN_LOAD_IMM_TN(T0, uimm); | |
874 | } | |
875 | switch (opc) { | |
876 | case OPC_ADDI: | |
877 | save_cpu_state(ctx, 1); | |
878 | gen_op_addo(); | |
879 | opn = "addi"; | |
880 | break; | |
881 | case OPC_ADDIU: | |
882 | gen_op_add(); | |
883 | opn = "addiu"; | |
884 | break; | |
7a387fff TS |
885 | #ifdef MIPS_HAS_MIPS64 |
886 | case OPC_DADDI: | |
887 | save_cpu_state(ctx, 1); | |
888 | gen_op_daddo(); | |
889 | opn = "daddi"; | |
890 | break; | |
891 | case OPC_DADDIU: | |
892 | gen_op_dadd(); | |
893 | opn = "daddiu"; | |
894 | break; | |
895 | #endif | |
6af0bf9c FB |
896 | case OPC_SLTI: |
897 | gen_op_lt(); | |
898 | opn = "slti"; | |
899 | break; | |
900 | case OPC_SLTIU: | |
901 | gen_op_ltu(); | |
902 | opn = "sltiu"; | |
903 | break; | |
904 | case OPC_ANDI: | |
905 | gen_op_and(); | |
906 | opn = "andi"; | |
907 | break; | |
908 | case OPC_ORI: | |
909 | gen_op_or(); | |
910 | opn = "ori"; | |
911 | break; | |
912 | case OPC_XORI: | |
913 | gen_op_xor(); | |
914 | opn = "xori"; | |
915 | break; | |
916 | case OPC_LUI: | |
917 | opn = "lui"; | |
918 | break; | |
919 | case OPC_SLL: | |
920 | gen_op_sll(); | |
921 | opn = "sll"; | |
922 | break; | |
923 | case OPC_SRA: | |
924 | gen_op_sra(); | |
925 | opn = "sra"; | |
926 | break; | |
927 | case OPC_SRL: | |
7a387fff TS |
928 | if ((ctx->opcode >> 21) & 1) { |
929 | gen_op_rotr(); | |
930 | opn = "rotr"; | |
931 | } else { | |
932 | gen_op_srl(); | |
933 | opn = "srl"; | |
934 | } | |
935 | break; | |
936 | #ifdef MIPS_HAS_MIPS64 | |
937 | case OPC_DSLL: | |
938 | gen_op_dsll(); | |
939 | opn = "dsll"; | |
940 | break; | |
941 | case OPC_DSRA: | |
942 | gen_op_dsra(); | |
943 | opn = "dsra"; | |
944 | break; | |
945 | case OPC_DSRL: | |
946 | if ((ctx->opcode >> 21) & 1) { | |
947 | gen_op_drotr(); | |
948 | opn = "drotr"; | |
949 | } else { | |
950 | gen_op_dsrl(); | |
951 | opn = "dsrl"; | |
952 | } | |
953 | break; | |
954 | case OPC_DSLL32: | |
955 | gen_op_dsll32(); | |
956 | opn = "dsll32"; | |
957 | break; | |
958 | case OPC_DSRA32: | |
959 | gen_op_dsra32(); | |
960 | opn = "dsra32"; | |
961 | break; | |
962 | case OPC_DSRL32: | |
963 | if ((ctx->opcode >> 21) & 1) { | |
964 | gen_op_drotr32(); | |
965 | opn = "drotr32"; | |
966 | } else { | |
967 | gen_op_dsrl32(); | |
968 | opn = "dsrl32"; | |
969 | } | |
6af0bf9c | 970 | break; |
7a387fff | 971 | #endif |
6af0bf9c FB |
972 | default: |
973 | MIPS_INVAL("imm arith"); | |
974 | generate_exception(ctx, EXCP_RI); | |
975 | return; | |
976 | } | |
977 | GEN_STORE_TN_REG(rt, T0); | |
978 | MIPS_DEBUG("%s %s, %s, %x", opn, regnames[rt], regnames[rs], uimm); | |
979 | } | |
980 | ||
981 | /* Arithmetic */ | |
7a387fff | 982 | static void gen_arith (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
983 | int rd, int rs, int rt) |
984 | { | |
7a387fff | 985 | const char *opn = "unk"; |
6af0bf9c | 986 | |
7a387fff TS |
987 | if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
988 | && opc != OPC_DADD && opc != OPC_DSUB) { | |
6af0bf9c FB |
989 | /* if no destination, treat it as a NOP |
990 | * For add & sub, we must generate the overflow exception when needed. | |
991 | */ | |
992 | MIPS_DEBUG("NOP"); | |
993 | return; | |
994 | } | |
995 | GEN_LOAD_REG_TN(T0, rs); | |
996 | GEN_LOAD_REG_TN(T1, rt); | |
997 | switch (opc) { | |
998 | case OPC_ADD: | |
999 | save_cpu_state(ctx, 1); | |
1000 | gen_op_addo(); | |
1001 | opn = "add"; | |
1002 | break; | |
1003 | case OPC_ADDU: | |
1004 | gen_op_add(); | |
1005 | opn = "addu"; | |
1006 | break; | |
1007 | case OPC_SUB: | |
1008 | save_cpu_state(ctx, 1); | |
1009 | gen_op_subo(); | |
1010 | opn = "sub"; | |
1011 | break; | |
1012 | case OPC_SUBU: | |
1013 | gen_op_sub(); | |
1014 | opn = "subu"; | |
1015 | break; | |
7a387fff TS |
1016 | #ifdef MIPS_HAS_MIPS64 |
1017 | case OPC_DADD: | |
1018 | save_cpu_state(ctx, 1); | |
1019 | gen_op_daddo(); | |
1020 | opn = "dadd"; | |
1021 | break; | |
1022 | case OPC_DADDU: | |
1023 | gen_op_dadd(); | |
1024 | opn = "daddu"; | |
1025 | break; | |
1026 | case OPC_DSUB: | |
1027 | save_cpu_state(ctx, 1); | |
1028 | gen_op_dsubo(); | |
1029 | opn = "dsub"; | |
1030 | break; | |
1031 | case OPC_DSUBU: | |
1032 | gen_op_dsub(); | |
1033 | opn = "dsubu"; | |
1034 | break; | |
1035 | #endif | |
6af0bf9c FB |
1036 | case OPC_SLT: |
1037 | gen_op_lt(); | |
1038 | opn = "slt"; | |
1039 | break; | |
1040 | case OPC_SLTU: | |
1041 | gen_op_ltu(); | |
1042 | opn = "sltu"; | |
1043 | break; | |
1044 | case OPC_AND: | |
1045 | gen_op_and(); | |
1046 | opn = "and"; | |
1047 | break; | |
1048 | case OPC_NOR: | |
1049 | gen_op_nor(); | |
1050 | opn = "nor"; | |
1051 | break; | |
1052 | case OPC_OR: | |
1053 | gen_op_or(); | |
1054 | opn = "or"; | |
1055 | break; | |
1056 | case OPC_XOR: | |
1057 | gen_op_xor(); | |
1058 | opn = "xor"; | |
1059 | break; | |
1060 | case OPC_MUL: | |
1061 | gen_op_mul(); | |
1062 | opn = "mul"; | |
1063 | break; | |
1064 | case OPC_MOVN: | |
1065 | gen_op_movn(rd); | |
1066 | opn = "movn"; | |
1067 | goto print; | |
1068 | case OPC_MOVZ: | |
1069 | gen_op_movz(rd); | |
1070 | opn = "movz"; | |
1071 | goto print; | |
1072 | case OPC_SLLV: | |
1073 | gen_op_sllv(); | |
1074 | opn = "sllv"; | |
1075 | break; | |
1076 | case OPC_SRAV: | |
1077 | gen_op_srav(); | |
1078 | opn = "srav"; | |
1079 | break; | |
1080 | case OPC_SRLV: | |
7a387fff TS |
1081 | if ((ctx->opcode >> 6) & 1) { |
1082 | gen_op_rotrv(); | |
1083 | opn = "rotrv"; | |
1084 | } else { | |
1085 | gen_op_srlv(); | |
1086 | opn = "srlv"; | |
1087 | } | |
1088 | break; | |
1089 | #ifdef MIPS_HAS_MIPS64 | |
1090 | case OPC_DSLLV: | |
1091 | gen_op_dsllv(); | |
1092 | opn = "dsllv"; | |
1093 | break; | |
1094 | case OPC_DSRAV: | |
1095 | gen_op_dsrav(); | |
1096 | opn = "dsrav"; | |
1097 | break; | |
1098 | case OPC_DSRLV: | |
1099 | if ((ctx->opcode >> 6) & 1) { | |
1100 | gen_op_drotrv(); | |
1101 | opn = "drotrv"; | |
1102 | } else { | |
1103 | gen_op_dsrlv(); | |
1104 | opn = "dsrlv"; | |
1105 | } | |
6af0bf9c | 1106 | break; |
7a387fff | 1107 | #endif |
6af0bf9c FB |
1108 | default: |
1109 | MIPS_INVAL("arith"); | |
1110 | generate_exception(ctx, EXCP_RI); | |
1111 | return; | |
1112 | } | |
1113 | GEN_STORE_TN_REG(rd, T0); | |
1114 | print: | |
1115 | MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); | |
1116 | } | |
1117 | ||
1118 | /* Arithmetic on HI/LO registers */ | |
7a387fff | 1119 | static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
6af0bf9c | 1120 | { |
7a387fff | 1121 | const char *opn = "unk"; |
6af0bf9c FB |
1122 | |
1123 | if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { | |
1124 | /* Treat as a NOP */ | |
1125 | MIPS_DEBUG("NOP"); | |
1126 | return; | |
1127 | } | |
1128 | switch (opc) { | |
1129 | case OPC_MFHI: | |
1130 | gen_op_load_HI(); | |
1131 | GEN_STORE_TN_REG(reg, T0); | |
1132 | opn = "mfhi"; | |
1133 | break; | |
1134 | case OPC_MFLO: | |
1135 | gen_op_load_LO(); | |
1136 | GEN_STORE_TN_REG(reg, T0); | |
1137 | opn = "mflo"; | |
1138 | break; | |
1139 | case OPC_MTHI: | |
1140 | GEN_LOAD_REG_TN(T0, reg); | |
1141 | gen_op_store_HI(); | |
1142 | opn = "mthi"; | |
1143 | break; | |
1144 | case OPC_MTLO: | |
1145 | GEN_LOAD_REG_TN(T0, reg); | |
1146 | gen_op_store_LO(); | |
1147 | opn = "mtlo"; | |
1148 | break; | |
1149 | default: | |
1150 | MIPS_INVAL("HILO"); | |
1151 | generate_exception(ctx, EXCP_RI); | |
1152 | return; | |
1153 | } | |
1154 | MIPS_DEBUG("%s %s", opn, regnames[reg]); | |
1155 | } | |
1156 | ||
7a387fff | 1157 | static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
1158 | int rs, int rt) |
1159 | { | |
7a387fff | 1160 | const char *opn = "unk"; |
6af0bf9c FB |
1161 | |
1162 | GEN_LOAD_REG_TN(T0, rs); | |
1163 | GEN_LOAD_REG_TN(T1, rt); | |
1164 | switch (opc) { | |
1165 | case OPC_DIV: | |
1166 | gen_op_div(); | |
1167 | opn = "div"; | |
1168 | break; | |
1169 | case OPC_DIVU: | |
1170 | gen_op_divu(); | |
1171 | opn = "divu"; | |
1172 | break; | |
1173 | case OPC_MULT: | |
1174 | gen_op_mult(); | |
1175 | opn = "mult"; | |
1176 | break; | |
1177 | case OPC_MULTU: | |
1178 | gen_op_multu(); | |
1179 | opn = "multu"; | |
1180 | break; | |
7a387fff TS |
1181 | #ifdef MIPS_HAS_MIPS64 |
1182 | case OPC_DDIV: | |
1183 | gen_op_ddiv(); | |
1184 | opn = "ddiv"; | |
1185 | break; | |
1186 | case OPC_DDIVU: | |
1187 | gen_op_ddivu(); | |
1188 | opn = "ddivu"; | |
1189 | break; | |
1190 | case OPC_DMULT: | |
1191 | gen_op_dmult(); | |
1192 | opn = "dmult"; | |
1193 | break; | |
1194 | case OPC_DMULTU: | |
1195 | gen_op_dmultu(); | |
1196 | opn = "dmultu"; | |
1197 | break; | |
1198 | #endif | |
6af0bf9c FB |
1199 | case OPC_MADD: |
1200 | gen_op_madd(); | |
1201 | opn = "madd"; | |
1202 | break; | |
1203 | case OPC_MADDU: | |
1204 | gen_op_maddu(); | |
1205 | opn = "maddu"; | |
1206 | break; | |
1207 | case OPC_MSUB: | |
1208 | gen_op_msub(); | |
1209 | opn = "msub"; | |
1210 | break; | |
1211 | case OPC_MSUBU: | |
1212 | gen_op_msubu(); | |
1213 | opn = "msubu"; | |
1214 | break; | |
1215 | default: | |
1216 | MIPS_INVAL("mul/div"); | |
1217 | generate_exception(ctx, EXCP_RI); | |
1218 | return; | |
1219 | } | |
1220 | MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]); | |
1221 | } | |
1222 | ||
7a387fff | 1223 | static void gen_cl (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
1224 | int rd, int rs) |
1225 | { | |
7a387fff | 1226 | const char *opn = "unk"; |
6af0bf9c FB |
1227 | if (rd == 0) { |
1228 | /* Treat as a NOP */ | |
1229 | MIPS_DEBUG("NOP"); | |
1230 | return; | |
1231 | } | |
1232 | GEN_LOAD_REG_TN(T0, rs); | |
1233 | switch (opc) { | |
1234 | case OPC_CLO: | |
6af0bf9c FB |
1235 | gen_op_clo(); |
1236 | opn = "clo"; | |
1237 | break; | |
1238 | case OPC_CLZ: | |
6af0bf9c FB |
1239 | gen_op_clz(); |
1240 | opn = "clz"; | |
1241 | break; | |
7a387fff TS |
1242 | #ifdef MIPS_HAS_MIPS64 |
1243 | case OPC_DCLO: | |
1244 | gen_op_dclo(); | |
1245 | opn = "dclo"; | |
1246 | break; | |
1247 | case OPC_DCLZ: | |
1248 | gen_op_dclz(); | |
1249 | opn = "dclz"; | |
1250 | break; | |
1251 | #endif | |
6af0bf9c FB |
1252 | default: |
1253 | MIPS_INVAL("CLx"); | |
1254 | generate_exception(ctx, EXCP_RI); | |
1255 | return; | |
1256 | } | |
1257 | gen_op_store_T0_gpr(rd); | |
1258 | MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); | |
1259 | } | |
1260 | ||
1261 | /* Traps */ | |
7a387fff | 1262 | static void gen_trap (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
1263 | int rs, int rt, int16_t imm) |
1264 | { | |
1265 | int cond; | |
1266 | ||
1267 | cond = 0; | |
1268 | /* Load needed operands */ | |
1269 | switch (opc) { | |
1270 | case OPC_TEQ: | |
1271 | case OPC_TGE: | |
1272 | case OPC_TGEU: | |
1273 | case OPC_TLT: | |
1274 | case OPC_TLTU: | |
1275 | case OPC_TNE: | |
1276 | /* Compare two registers */ | |
1277 | if (rs != rt) { | |
1278 | GEN_LOAD_REG_TN(T0, rs); | |
1279 | GEN_LOAD_REG_TN(T1, rt); | |
1280 | cond = 1; | |
1281 | } | |
179e32bb | 1282 | break; |
6af0bf9c FB |
1283 | case OPC_TEQI: |
1284 | case OPC_TGEI: | |
1285 | case OPC_TGEIU: | |
1286 | case OPC_TLTI: | |
1287 | case OPC_TLTIU: | |
1288 | case OPC_TNEI: | |
1289 | /* Compare register to immediate */ | |
1290 | if (rs != 0 || imm != 0) { | |
1291 | GEN_LOAD_REG_TN(T0, rs); | |
1292 | GEN_LOAD_IMM_TN(T1, (int32_t)imm); | |
1293 | cond = 1; | |
1294 | } | |
1295 | break; | |
1296 | } | |
1297 | if (cond == 0) { | |
1298 | switch (opc) { | |
1299 | case OPC_TEQ: /* rs == rs */ | |
1300 | case OPC_TEQI: /* r0 == 0 */ | |
1301 | case OPC_TGE: /* rs >= rs */ | |
1302 | case OPC_TGEI: /* r0 >= 0 */ | |
1303 | case OPC_TGEU: /* rs >= rs unsigned */ | |
1304 | case OPC_TGEIU: /* r0 >= 0 unsigned */ | |
1305 | /* Always trap */ | |
1306 | gen_op_set_T0(1); | |
1307 | break; | |
1308 | case OPC_TLT: /* rs < rs */ | |
1309 | case OPC_TLTI: /* r0 < 0 */ | |
1310 | case OPC_TLTU: /* rs < rs unsigned */ | |
1311 | case OPC_TLTIU: /* r0 < 0 unsigned */ | |
1312 | case OPC_TNE: /* rs != rs */ | |
1313 | case OPC_TNEI: /* r0 != 0 */ | |
1314 | /* Never trap: treat as NOP */ | |
1315 | return; | |
1316 | default: | |
1317 | MIPS_INVAL("TRAP"); | |
1318 | generate_exception(ctx, EXCP_RI); | |
1319 | return; | |
1320 | } | |
1321 | } else { | |
1322 | switch (opc) { | |
1323 | case OPC_TEQ: | |
1324 | case OPC_TEQI: | |
1325 | gen_op_eq(); | |
1326 | break; | |
1327 | case OPC_TGE: | |
1328 | case OPC_TGEI: | |
1329 | gen_op_ge(); | |
1330 | break; | |
1331 | case OPC_TGEU: | |
1332 | case OPC_TGEIU: | |
1333 | gen_op_geu(); | |
1334 | break; | |
1335 | case OPC_TLT: | |
1336 | case OPC_TLTI: | |
1337 | gen_op_lt(); | |
1338 | break; | |
1339 | case OPC_TLTU: | |
1340 | case OPC_TLTIU: | |
1341 | gen_op_ltu(); | |
1342 | break; | |
1343 | case OPC_TNE: | |
1344 | case OPC_TNEI: | |
1345 | gen_op_ne(); | |
1346 | break; | |
1347 | default: | |
1348 | MIPS_INVAL("TRAP"); | |
1349 | generate_exception(ctx, EXCP_RI); | |
1350 | return; | |
1351 | } | |
1352 | } | |
1353 | save_cpu_state(ctx, 1); | |
1354 | gen_op_trap(); | |
1355 | ctx->bstate = BS_STOP; | |
1356 | } | |
1357 | ||
6e256c93 | 1358 | static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
c53be334 | 1359 | { |
6e256c93 FB |
1360 | TranslationBlock *tb; |
1361 | tb = ctx->tb; | |
1362 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { | |
1363 | if (n == 0) | |
1364 | gen_op_goto_tb0(TBPARAM(tb)); | |
1365 | else | |
1366 | gen_op_goto_tb1(TBPARAM(tb)); | |
1367 | gen_op_save_pc(dest); | |
1368 | gen_op_set_T0((long)tb + n); | |
1369 | gen_op_exit_tb(); | |
1370 | } else { | |
1371 | gen_op_save_pc(dest); | |
1372 | gen_op_set_T0(0); | |
1373 | gen_op_exit_tb(); | |
1374 | } | |
c53be334 FB |
1375 | } |
1376 | ||
6af0bf9c | 1377 | /* Branches (before delay slot) */ |
7a387fff | 1378 | static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
6af0bf9c FB |
1379 | int rs, int rt, int32_t offset) |
1380 | { | |
1381 | target_ulong btarget; | |
1382 | int blink, bcond; | |
1383 | ||
1384 | btarget = -1; | |
1385 | blink = 0; | |
1386 | bcond = 0; | |
1387 | /* Load needed operands */ | |
1388 | switch (opc) { | |
1389 | case OPC_BEQ: | |
1390 | case OPC_BEQL: | |
1391 | case OPC_BNE: | |
1392 | case OPC_BNEL: | |
1393 | /* Compare two registers */ | |
1394 | if (rs != rt) { | |
1395 | GEN_LOAD_REG_TN(T0, rs); | |
1396 | GEN_LOAD_REG_TN(T1, rt); | |
1397 | bcond = 1; | |
1398 | } | |
1399 | btarget = ctx->pc + 4 + offset; | |
1400 | break; | |
1401 | case OPC_BGEZ: | |
1402 | case OPC_BGEZAL: | |
1403 | case OPC_BGEZALL: | |
1404 | case OPC_BGEZL: | |
1405 | case OPC_BGTZ: | |
1406 | case OPC_BGTZL: | |
1407 | case OPC_BLEZ: | |
1408 | case OPC_BLEZL: | |
1409 | case OPC_BLTZ: | |
1410 | case OPC_BLTZAL: | |
1411 | case OPC_BLTZALL: | |
1412 | case OPC_BLTZL: | |
1413 | /* Compare to zero */ | |
1414 | if (rs != 0) { | |
1415 | gen_op_load_gpr_T0(rs); | |
1416 | bcond = 1; | |
1417 | } | |
1418 | btarget = ctx->pc + 4 + offset; | |
1419 | break; | |
1420 | case OPC_J: | |
1421 | case OPC_JAL: | |
1422 | /* Jump to immediate */ | |
5dc4b744 | 1423 | btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | offset; |
6af0bf9c FB |
1424 | break; |
1425 | case OPC_JR: | |
1426 | case OPC_JALR: | |
1427 | /* Jump to register */ | |
7a387fff TS |
1428 | if (offset != 0 && offset != 16) { |
1429 | /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the | |
1430 | others are reserved. */ | |
6af0bf9c FB |
1431 | generate_exception(ctx, EXCP_RI); |
1432 | return; | |
1433 | } | |
1434 | GEN_LOAD_REG_TN(T2, rs); | |
1435 | break; | |
1436 | default: | |
1437 | MIPS_INVAL("branch/jump"); | |
1438 | generate_exception(ctx, EXCP_RI); | |
1439 | return; | |
1440 | } | |
1441 | if (bcond == 0) { | |
1442 | /* No condition to be computed */ | |
1443 | switch (opc) { | |
1444 | case OPC_BEQ: /* rx == rx */ | |
1445 | case OPC_BEQL: /* rx == rx likely */ | |
1446 | case OPC_BGEZ: /* 0 >= 0 */ | |
1447 | case OPC_BGEZL: /* 0 >= 0 likely */ | |
1448 | case OPC_BLEZ: /* 0 <= 0 */ | |
1449 | case OPC_BLEZL: /* 0 <= 0 likely */ | |
1450 | /* Always take */ | |
4ad40f36 | 1451 | ctx->hflags |= MIPS_HFLAG_B; |
6af0bf9c FB |
1452 | MIPS_DEBUG("balways"); |
1453 | break; | |
1454 | case OPC_BGEZAL: /* 0 >= 0 */ | |
1455 | case OPC_BGEZALL: /* 0 >= 0 likely */ | |
1456 | /* Always take and link */ | |
1457 | blink = 31; | |
4ad40f36 | 1458 | ctx->hflags |= MIPS_HFLAG_B; |
6af0bf9c FB |
1459 | MIPS_DEBUG("balways and link"); |
1460 | break; | |
1461 | case OPC_BNE: /* rx != rx */ | |
1462 | case OPC_BGTZ: /* 0 > 0 */ | |
1463 | case OPC_BLTZ: /* 0 < 0 */ | |
6af0bf9c FB |
1464 | /* Treated as NOP */ |
1465 | MIPS_DEBUG("bnever (NOP)"); | |
1466 | return; | |
eeef26cd FB |
1467 | case OPC_BLTZAL: /* 0 < 0 */ |
1468 | gen_op_set_T0(ctx->pc + 8); | |
1469 | gen_op_store_T0_gpr(31); | |
1470 | return; | |
1471 | case OPC_BLTZALL: /* 0 < 0 likely */ | |
1472 | gen_op_set_T0(ctx->pc + 8); | |
1473 | gen_op_store_T0_gpr(31); | |
1474 | gen_goto_tb(ctx, 0, ctx->pc + 4); | |
1475 | return; | |
6af0bf9c FB |
1476 | case OPC_BNEL: /* rx != rx likely */ |
1477 | case OPC_BGTZL: /* 0 > 0 likely */ | |
6af0bf9c FB |
1478 | case OPC_BLTZL: /* 0 < 0 likely */ |
1479 | /* Skip the instruction in the delay slot */ | |
1480 | MIPS_DEBUG("bnever and skip"); | |
6e256c93 | 1481 | gen_goto_tb(ctx, 0, ctx->pc + 4); |
6af0bf9c FB |
1482 | return; |
1483 | case OPC_J: | |
4ad40f36 | 1484 | ctx->hflags |= MIPS_HFLAG_B; |
6af0bf9c FB |
1485 | MIPS_DEBUG("j %08x", btarget); |
1486 | break; | |
1487 | case OPC_JAL: | |
1488 | blink = 31; | |
4ad40f36 | 1489 | ctx->hflags |= MIPS_HFLAG_B; |
6af0bf9c FB |
1490 | MIPS_DEBUG("jal %08x", btarget); |
1491 | break; | |
1492 | case OPC_JR: | |
4ad40f36 | 1493 | ctx->hflags |= MIPS_HFLAG_BR; |
6af0bf9c FB |
1494 | MIPS_DEBUG("jr %s", regnames[rs]); |
1495 | break; | |
1496 | case OPC_JALR: | |
1497 | blink = rt; | |
4ad40f36 | 1498 | ctx->hflags |= MIPS_HFLAG_BR; |
6af0bf9c FB |
1499 | MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]); |
1500 | break; | |
1501 | default: | |
1502 | MIPS_INVAL("branch/jump"); | |
1503 | generate_exception(ctx, EXCP_RI); | |
1504 | return; | |
1505 | } | |
1506 | } else { | |
1507 | switch (opc) { | |
1508 | case OPC_BEQ: | |
1509 | gen_op_eq(); | |
1510 | MIPS_DEBUG("beq %s, %s, %08x", | |
1511 | regnames[rs], regnames[rt], btarget); | |
1512 | goto not_likely; | |
1513 | case OPC_BEQL: | |
1514 | gen_op_eq(); | |
1515 | MIPS_DEBUG("beql %s, %s, %08x", | |
1516 | regnames[rs], regnames[rt], btarget); | |
1517 | goto likely; | |
1518 | case OPC_BNE: | |
1519 | gen_op_ne(); | |
1520 | MIPS_DEBUG("bne %s, %s, %08x", | |
1521 | regnames[rs], regnames[rt], btarget); | |
1522 | goto not_likely; | |
1523 | case OPC_BNEL: | |
1524 | gen_op_ne(); | |
1525 | MIPS_DEBUG("bnel %s, %s, %08x", | |
1526 | regnames[rs], regnames[rt], btarget); | |
1527 | goto likely; | |
1528 | case OPC_BGEZ: | |
1529 | gen_op_gez(); | |
1530 | MIPS_DEBUG("bgez %s, %08x", regnames[rs], btarget); | |
1531 | goto not_likely; | |
1532 | case OPC_BGEZL: | |
1533 | gen_op_gez(); | |
1534 | MIPS_DEBUG("bgezl %s, %08x", regnames[rs], btarget); | |
1535 | goto likely; | |
1536 | case OPC_BGEZAL: | |
1537 | gen_op_gez(); | |
1538 | MIPS_DEBUG("bgezal %s, %08x", regnames[rs], btarget); | |
1539 | blink = 31; | |
1540 | goto not_likely; | |
1541 | case OPC_BGEZALL: | |
1542 | gen_op_gez(); | |
1543 | blink = 31; | |
1544 | MIPS_DEBUG("bgezall %s, %08x", regnames[rs], btarget); | |
1545 | goto likely; | |
1546 | case OPC_BGTZ: | |
1547 | gen_op_gtz(); | |
1548 | MIPS_DEBUG("bgtz %s, %08x", regnames[rs], btarget); | |
1549 | goto not_likely; | |
1550 | case OPC_BGTZL: | |
1551 | gen_op_gtz(); | |
1552 | MIPS_DEBUG("bgtzl %s, %08x", regnames[rs], btarget); | |
1553 | goto likely; | |
1554 | case OPC_BLEZ: | |
1555 | gen_op_lez(); | |
1556 | MIPS_DEBUG("blez %s, %08x", regnames[rs], btarget); | |
1557 | goto not_likely; | |
1558 | case OPC_BLEZL: | |
1559 | gen_op_lez(); | |
1560 | MIPS_DEBUG("blezl %s, %08x", regnames[rs], btarget); | |
1561 | goto likely; | |
1562 | case OPC_BLTZ: | |
1563 | gen_op_ltz(); | |
1564 | MIPS_DEBUG("bltz %s, %08x", regnames[rs], btarget); | |
1565 | goto not_likely; | |
1566 | case OPC_BLTZL: | |
1567 | gen_op_ltz(); | |
1568 | MIPS_DEBUG("bltzl %s, %08x", regnames[rs], btarget); | |
1569 | goto likely; | |
1570 | case OPC_BLTZAL: | |
1571 | gen_op_ltz(); | |
1572 | blink = 31; | |
1573 | MIPS_DEBUG("bltzal %s, %08x", regnames[rs], btarget); | |
1574 | not_likely: | |
4ad40f36 | 1575 | ctx->hflags |= MIPS_HFLAG_BC; |
6af0bf9c FB |
1576 | break; |
1577 | case OPC_BLTZALL: | |
1578 | gen_op_ltz(); | |
1579 | blink = 31; | |
1580 | MIPS_DEBUG("bltzall %s, %08x", regnames[rs], btarget); | |
1581 | likely: | |
4ad40f36 | 1582 | ctx->hflags |= MIPS_HFLAG_BL; |
6af0bf9c FB |
1583 | break; |
1584 | } | |
1585 | gen_op_set_bcond(); | |
1586 | } | |
1587 | MIPS_DEBUG("enter ds: link %d cond %02x target %08x", | |
1588 | blink, ctx->hflags, btarget); | |
1589 | ctx->btarget = btarget; | |
1590 | if (blink > 0) { | |
1591 | gen_op_set_T0(ctx->pc + 8); | |
1592 | gen_op_store_T0_gpr(blink); | |
1593 | } | |
1594 | return; | |
1595 | } | |
1596 | ||
7a387fff TS |
1597 | /* special3 bitfield operations */ |
1598 | static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, | |
1599 | int rs, int lsb, int msb) | |
1600 | { | |
1601 | GEN_LOAD_REG_TN(T1, rs); | |
1602 | switch (opc) { | |
1603 | case OPC_EXT: | |
1604 | if (lsb + msb > 31) | |
1605 | goto fail; | |
1606 | gen_op_ext(lsb, msb + 1); | |
1607 | break; | |
1608 | case OPC_DEXTM: | |
1609 | if (lsb + msb > 63) | |
1610 | goto fail; | |
1611 | gen_op_ext(lsb, msb + 1 + 32); | |
1612 | break; | |
1613 | case OPC_DEXTU: | |
1614 | if (lsb + msb > 63) | |
1615 | goto fail; | |
1616 | gen_op_ext(lsb + 32, msb + 1); | |
1617 | break; | |
1618 | case OPC_DEXT: | |
1619 | gen_op_ext(lsb, msb + 1); | |
1620 | break; | |
1621 | case OPC_INS: | |
1622 | if (lsb > msb) | |
1623 | goto fail; | |
1624 | GEN_LOAD_REG_TN(T2, rt); | |
1625 | gen_op_ins(lsb, msb - lsb + 1); | |
1626 | break; | |
1627 | case OPC_DINSM: | |
1628 | if (lsb > msb) | |
1629 | goto fail; | |
1630 | GEN_LOAD_REG_TN(T2, rt); | |
1631 | gen_op_ins(lsb, msb - lsb + 1 + 32); | |
1632 | break; | |
1633 | case OPC_DINSU: | |
1634 | if (lsb > msb) | |
1635 | goto fail; | |
1636 | GEN_LOAD_REG_TN(T2, rt); | |
1637 | gen_op_ins(lsb + 32, msb - lsb + 1); | |
1638 | break; | |
1639 | case OPC_DINS: | |
1640 | if (lsb > msb) | |
1641 | goto fail; | |
1642 | GEN_LOAD_REG_TN(T2, rt); | |
1643 | gen_op_ins(lsb, msb - lsb + 1); | |
1644 | break; | |
1645 | default: | |
1646 | fail: | |
1647 | MIPS_INVAL("bitops"); | |
1648 | generate_exception(ctx, EXCP_RI); | |
1649 | return; | |
1650 | } | |
1651 | GEN_STORE_TN_REG(rt, T0); | |
1652 | } | |
1653 | ||
6af0bf9c | 1654 | /* CP0 (MMU and control) */ |
873eb012 TS |
1655 | static void gen_mfc0 (DisasContext *ctx, int reg, int sel) |
1656 | { | |
7a387fff | 1657 | const char *rn = "invalid"; |
873eb012 | 1658 | |
873eb012 TS |
1659 | switch (reg) { |
1660 | case 0: | |
7a387fff TS |
1661 | switch (sel) { |
1662 | case 0: | |
1663 | gen_op_mfc0_index(); | |
1664 | rn = "Index"; | |
1665 | break; | |
1666 | case 1: | |
1667 | // gen_op_mfc0_mvpcontrol(); /* MT ASE */ | |
1668 | rn = "MVPControl"; | |
1669 | // break; | |
1670 | case 2: | |
1671 | // gen_op_mfc0_mvpconf0(); /* MT ASE */ | |
1672 | rn = "MVPConf0"; | |
1673 | // break; | |
1674 | case 3: | |
1675 | // gen_op_mfc0_mvpconf1(); /* MT ASE */ | |
1676 | rn = "MVPConf1"; | |
1677 | // break; | |
1678 | default: | |
1679 | goto die; | |
1680 | } | |
873eb012 TS |
1681 | break; |
1682 | case 1: | |
7a387fff TS |
1683 | switch (sel) { |
1684 | case 0: | |
1685 | gen_op_mfc0_random(); | |
1686 | rn = "Random"; | |
1687 | break; | |
1688 | case 1: | |
1689 | // gen_op_mfc0_vpecontrol(); /* MT ASE */ | |
1690 | rn = "VPEControl"; | |
1691 | // break; | |
1692 | case 2: | |
1693 | // gen_op_mfc0_vpeconf0(); /* MT ASE */ | |
1694 | rn = "VPEConf0"; | |
1695 | // break; | |
1696 | case 3: | |
1697 | // gen_op_mfc0_vpeconf1(); /* MT ASE */ | |
1698 | rn = "VPEConf1"; | |
1699 | // break; | |
1700 | case 4: | |
1701 | // gen_op_mfc0_YQMask(); /* MT ASE */ | |
1702 | rn = "YQMask"; | |
1703 | // break; | |
1704 | case 5: | |
1705 | // gen_op_mfc0_vpeschedule(); /* MT ASE */ | |
1706 | rn = "VPESchedule"; | |
1707 | // break; | |
1708 | case 6: | |
1709 | // gen_op_mfc0_vpeschefback(); /* MT ASE */ | |
1710 | rn = "VPEScheFBack"; | |
1711 | // break; | |
1712 | case 7: | |
1713 | // gen_op_mfc0_vpeopt(); /* MT ASE */ | |
1714 | rn = "VPEOpt"; | |
1715 | // break; | |
1716 | default: | |
1717 | goto die; | |
1718 | } | |
873eb012 TS |
1719 | break; |
1720 | case 2: | |
7a387fff TS |
1721 | switch (sel) { |
1722 | case 0: | |
1723 | gen_op_mfc0_entrylo0(); | |
1724 | rn = "EntryLo0"; | |
1725 | break; | |
1726 | case 1: | |
1727 | // gen_op_mfc0_tcstatus(); /* MT ASE */ | |
1728 | rn = "TCStatus"; | |
1729 | // break; | |
1730 | case 2: | |
1731 | // gen_op_mfc0_tcbind(); /* MT ASE */ | |
1732 | rn = "TCBind"; | |
1733 | // break; | |
1734 | case 3: | |
1735 | // gen_op_mfc0_tcrestart(); /* MT ASE */ | |
1736 | rn = "TCRestart"; | |
1737 | // break; | |
1738 | case 4: | |
1739 | // gen_op_mfc0_tchalt(); /* MT ASE */ | |
1740 | rn = "TCHalt"; | |
1741 | // break; | |
1742 | case 5: | |
1743 | // gen_op_mfc0_tccontext(); /* MT ASE */ | |
1744 | rn = "TCContext"; | |
1745 | // break; | |
1746 | case 6: | |
1747 | // gen_op_mfc0_tcschedule(); /* MT ASE */ | |
1748 | rn = "TCSchedule"; | |
1749 | // break; | |
1750 | case 7: | |
1751 | // gen_op_mfc0_tcschefback(); /* MT ASE */ | |
1752 | rn = "TCScheFBack"; | |
1753 | // break; | |
1754 | default: | |
1755 | goto die; | |
1756 | } | |
873eb012 TS |
1757 | break; |
1758 | case 3: | |
7a387fff TS |
1759 | switch (sel) { |
1760 | case 0: | |
1761 | gen_op_mfc0_entrylo1(); | |
1762 | rn = "EntryLo1"; | |
1763 | break; | |
1764 | default: | |
1765 | goto die; | |
1766 | } | |
873eb012 TS |
1767 | break; |
1768 | case 4: | |
7a387fff TS |
1769 | switch (sel) { |
1770 | case 0: | |
1771 | gen_op_mfc0_context(); | |
1772 | rn = "Context"; | |
1773 | break; | |
1774 | case 1: | |
1775 | // gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */ | |
1776 | rn = "ContextConfig"; | |
1777 | // break; | |
1778 | default: | |
1779 | goto die; | |
1780 | } | |
873eb012 TS |
1781 | break; |
1782 | case 5: | |
7a387fff TS |
1783 | switch (sel) { |
1784 | case 0: | |
1785 | gen_op_mfc0_pagemask(); | |
1786 | rn = "PageMask"; | |
1787 | break; | |
1788 | case 1: | |
1789 | gen_op_mfc0_pagegrain(); | |
1790 | rn = "PageGrain"; | |
1791 | break; | |
1792 | default: | |
1793 | goto die; | |
1794 | } | |
873eb012 TS |
1795 | break; |
1796 | case 6: | |
7a387fff TS |
1797 | switch (sel) { |
1798 | case 0: | |
1799 | gen_op_mfc0_wired(); | |
1800 | rn = "Wired"; | |
1801 | break; | |
1802 | case 1: | |
1803 | // gen_op_mfc0_srsconf0(); /* shadow registers */ | |
1804 | rn = "SRSConf0"; | |
1805 | // break; | |
1806 | case 2: | |
1807 | // gen_op_mfc0_srsconf1(); /* shadow registers */ | |
1808 | rn = "SRSConf1"; | |
1809 | // break; | |
1810 | case 3: | |
1811 | // gen_op_mfc0_srsconf2(); /* shadow registers */ | |
1812 | rn = "SRSConf2"; | |
1813 | // break; | |
1814 | case 4: | |
1815 | // gen_op_mfc0_srsconf3(); /* shadow registers */ | |
1816 | rn = "SRSConf3"; | |
1817 | // break; | |
1818 | case 5: | |
1819 | // gen_op_mfc0_srsconf4(); /* shadow registers */ | |
1820 | rn = "SRSConf4"; | |
1821 | // break; | |
1822 | default: | |
1823 | goto die; | |
1824 | } | |
873eb012 | 1825 | break; |
8c0fdd85 | 1826 | case 7: |
7a387fff TS |
1827 | switch (sel) { |
1828 | case 0: | |
1829 | gen_op_mfc0_hwrena(); | |
1830 | rn = "HWREna"; | |
1831 | break; | |
1832 | default: | |
1833 | goto die; | |
1834 | } | |
8c0fdd85 | 1835 | break; |
873eb012 | 1836 | case 8: |
7a387fff TS |
1837 | switch (sel) { |
1838 | case 0: | |
1839 | gen_op_mfc0_badvaddr(); | |
1840 | rn = "BadVaddr"; | |
1841 | break; | |
1842 | default: | |
1843 | goto die; | |
1844 | } | |
873eb012 TS |
1845 | break; |
1846 | case 9: | |
7a387fff TS |
1847 | switch (sel) { |
1848 | case 0: | |
1849 | gen_op_mfc0_count(); | |
1850 | rn = "Count"; | |
1851 | break; | |
1852 | /* 6,7 are implementation dependent */ | |
1853 | default: | |
1854 | goto die; | |
1855 | } | |
873eb012 TS |
1856 | break; |
1857 | case 10: | |
7a387fff TS |
1858 | switch (sel) { |
1859 | case 0: | |
1860 | gen_op_mfc0_entryhi(); | |
1861 | rn = "EntryHi"; | |
1862 | break; | |
1863 | default: | |
1864 | goto die; | |
1865 | } | |
873eb012 TS |
1866 | break; |
1867 | case 11: | |
7a387fff TS |
1868 | switch (sel) { |
1869 | case 0: | |
1870 | gen_op_mfc0_compare(); | |
1871 | rn = "Compare"; | |
1872 | break; | |
1873 | /* 6,7 are implementation dependent */ | |
1874 | default: | |
1875 | goto die; | |
1876 | } | |
873eb012 TS |
1877 | break; |
1878 | case 12: | |
7a387fff TS |
1879 | switch (sel) { |
1880 | case 0: | |
1881 | gen_op_mfc0_status(); | |
1882 | rn = "Status"; | |
1883 | break; | |
1884 | case 1: | |
1885 | gen_op_mfc0_intctl(); | |
1886 | rn = "IntCtl"; | |
1887 | break; | |
1888 | case 2: | |
1889 | gen_op_mfc0_srsctl(); | |
1890 | rn = "SRSCtl"; | |
1891 | break; | |
1892 | case 3: | |
1893 | // gen_op_mfc0_srsmap(); /* shadow registers */ | |
1894 | rn = "SRSMap"; | |
1895 | // break; | |
1896 | default: | |
1897 | goto die; | |
1898 | } | |
873eb012 TS |
1899 | break; |
1900 | case 13: | |
7a387fff TS |
1901 | switch (sel) { |
1902 | case 0: | |
1903 | gen_op_mfc0_cause(); | |
1904 | rn = "Cause"; | |
1905 | break; | |
1906 | default: | |
1907 | goto die; | |
1908 | } | |
873eb012 TS |
1909 | break; |
1910 | case 14: | |
7a387fff TS |
1911 | switch (sel) { |
1912 | case 0: | |
1913 | gen_op_mfc0_epc(); | |
1914 | rn = "EPC"; | |
1915 | break; | |
1916 | default: | |
1917 | goto die; | |
1918 | } | |
873eb012 TS |
1919 | break; |
1920 | case 15: | |
7a387fff TS |
1921 | switch (sel) { |
1922 | case 0: | |
1923 | gen_op_mfc0_prid(); | |
1924 | rn = "PRid"; | |
1925 | break; | |
1926 | case 1: | |
1927 | gen_op_mfc0_ebase(); | |
1928 | rn = "EBase"; | |
1929 | break; | |
1930 | default: | |
1931 | goto die; | |
1932 | } | |
873eb012 TS |
1933 | break; |
1934 | case 16: | |
1935 | switch (sel) { | |
1936 | case 0: | |
1937 | gen_op_mfc0_config0(); | |
1938 | rn = "Config"; | |
1939 | break; | |
1940 | case 1: | |
1941 | gen_op_mfc0_config1(); | |
1942 | rn = "Config1"; | |
1943 | break; | |
7a387fff TS |
1944 | case 2: |
1945 | gen_op_mfc0_config2(); | |
1946 | rn = "Config2"; | |
1947 | break; | |
1948 | case 3: | |
1949 | gen_op_mfc0_config3(); | |
1950 | rn = "Config3"; | |
1951 | break; | |
1952 | /* 6,7 are implementation dependent */ | |
873eb012 | 1953 | default: |
873eb012 TS |
1954 | goto die; |
1955 | } | |
1956 | break; | |
1957 | case 17: | |
7a387fff TS |
1958 | switch (sel) { |
1959 | case 0: | |
1960 | gen_op_mfc0_lladdr(); | |
1961 | rn = "LLAddr"; | |
1962 | break; | |
1963 | default: | |
1964 | goto die; | |
1965 | } | |
873eb012 TS |
1966 | break; |
1967 | case 18: | |
7a387fff TS |
1968 | switch (sel) { |
1969 | case 0: | |
1970 | gen_op_mfc0_watchlo0(); | |
1971 | rn = "WatchLo"; | |
1972 | break; | |
1973 | case 1: | |
1974 | // gen_op_mfc0_watchlo1(); | |
1975 | rn = "WatchLo1"; | |
1976 | // break; | |
1977 | case 2: | |
1978 | // gen_op_mfc0_watchlo2(); | |
1979 | rn = "WatchLo2"; | |
1980 | // break; | |
1981 | case 3: | |
1982 | // gen_op_mfc0_watchlo3(); | |
1983 | rn = "WatchLo3"; | |
1984 | // break; | |
1985 | case 4: | |
1986 | // gen_op_mfc0_watchlo4(); | |
1987 | rn = "WatchLo4"; | |
1988 | // break; | |
1989 | case 5: | |
1990 | // gen_op_mfc0_watchlo5(); | |
1991 | rn = "WatchLo5"; | |
1992 | // break; | |
1993 | case 6: | |
1994 | // gen_op_mfc0_watchlo6(); | |
1995 | rn = "WatchLo6"; | |
1996 | // break; | |
1997 | case 7: | |
1998 | // gen_op_mfc0_watchlo7(); | |
1999 | rn = "WatchLo7"; | |
2000 | // break; | |
2001 | default: | |
2002 | goto die; | |
2003 | } | |
873eb012 TS |
2004 | break; |
2005 | case 19: | |
7a387fff TS |
2006 | switch (sel) { |
2007 | case 0: | |
2008 | gen_op_mfc0_watchhi0(); | |
2009 | rn = "WatchHi"; | |
2010 | break; | |
2011 | case 1: | |
2012 | // gen_op_mfc0_watchhi1(); | |
2013 | rn = "WatchHi1"; | |
2014 | // break; | |
2015 | case 2: | |
2016 | // gen_op_mfc0_watchhi2(); | |
2017 | rn = "WatchHi2"; | |
2018 | // break; | |
2019 | case 3: | |
2020 | // gen_op_mfc0_watchhi3(); | |
2021 | rn = "WatchHi3"; | |
2022 | // break; | |
2023 | case 4: | |
2024 | // gen_op_mfc0_watchhi4(); | |
2025 | rn = "WatchHi4"; | |
2026 | // break; | |
2027 | case 5: | |
2028 | // gen_op_mfc0_watchhi5(); | |
2029 | rn = "WatchHi5"; | |
2030 | // break; | |
2031 | case 6: | |
2032 | // gen_op_mfc0_watchhi6(); | |
2033 | rn = "WatchHi6"; | |
2034 | // break; | |
2035 | case 7: | |
2036 | // gen_op_mfc0_watchhi7(); | |
2037 | rn = "WatchHi7"; | |
2038 | // break; | |
2039 | default: | |
2040 | goto die; | |
2041 | } | |
873eb012 | 2042 | break; |
8c0fdd85 | 2043 | case 20: |
7a387fff TS |
2044 | switch (sel) { |
2045 | case 0: | |
2046 | /* 64 bit MMU only */ | |
2047 | gen_op_mfc0_xcontext(); | |
2048 | rn = "XContext"; | |
2049 | break; | |
2050 | default: | |
2051 | goto die; | |
2052 | } | |
8c0fdd85 TS |
2053 | break; |
2054 | case 21: | |
7a387fff TS |
2055 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ |
2056 | switch (sel) { | |
2057 | case 0: | |
2058 | gen_op_mfc0_framemask(); | |
2059 | rn = "Framemask"; | |
2060 | break; | |
2061 | default: | |
2062 | goto die; | |
2063 | } | |
8c0fdd85 TS |
2064 | break; |
2065 | case 22: | |
7a387fff TS |
2066 | /* ignored */ |
2067 | rn = "'Diagnostic"; /* implementation dependent */ | |
2068 | break; | |
873eb012 | 2069 | case 23: |
7a387fff TS |
2070 | switch (sel) { |
2071 | case 0: | |
2072 | gen_op_mfc0_debug(); /* EJTAG support */ | |
2073 | rn = "Debug"; | |
2074 | break; | |
2075 | case 1: | |
2076 | // gen_op_mfc0_tracecontrol(); /* PDtrace support */ | |
2077 | rn = "TraceControl"; | |
2078 | // break; | |
2079 | case 2: | |
2080 | // gen_op_mfc0_tracecontrol2(); /* PDtrace support */ | |
2081 | rn = "TraceControl2"; | |
2082 | // break; | |
2083 | case 3: | |
2084 | // gen_op_mfc0_usertracedata(); /* PDtrace support */ | |
2085 | rn = "UserTraceData"; | |
2086 | // break; | |
2087 | case 4: | |
2088 | // gen_op_mfc0_debug(); /* PDtrace support */ | |
2089 | rn = "TraceBPC"; | |
2090 | // break; | |
2091 | default: | |
2092 | goto die; | |
2093 | } | |
873eb012 TS |
2094 | break; |
2095 | case 24: | |
7a387fff TS |
2096 | switch (sel) { |
2097 | case 0: | |
2098 | gen_op_mfc0_depc(); /* EJTAG support */ | |
2099 | rn = "DEPC"; | |
2100 | break; | |
2101 | default: | |
2102 | goto die; | |
2103 | } | |
873eb012 | 2104 | break; |
8c0fdd85 | 2105 | case 25: |
7a387fff TS |
2106 | switch (sel) { |
2107 | case 0: | |
2108 | gen_op_mfc0_performance0(); | |
2109 | rn = "Performance0"; | |
2110 | break; | |
2111 | case 1: | |
2112 | // gen_op_mfc0_performance1(); | |
2113 | rn = "Performance1"; | |
2114 | // break; | |
2115 | case 2: | |
2116 | // gen_op_mfc0_performance2(); | |
2117 | rn = "Performance2"; | |
2118 | // break; | |
2119 | case 3: | |
2120 | // gen_op_mfc0_performance3(); | |
2121 | rn = "Performance3"; | |
2122 | // break; | |
2123 | case 4: | |
2124 | // gen_op_mfc0_performance4(); | |
2125 | rn = "Performance4"; | |
2126 | // break; | |
2127 | case 5: | |
2128 | // gen_op_mfc0_performance5(); | |
2129 | rn = "Performance5"; | |
2130 | // break; | |
2131 | case 6: | |
2132 | // gen_op_mfc0_performance6(); | |
2133 | rn = "Performance6"; | |
2134 | // break; | |
2135 | case 7: | |
2136 | // gen_op_mfc0_performance7(); | |
2137 | rn = "Performance7"; | |
2138 | // break; | |
2139 | default: | |
2140 | goto die; | |
2141 | } | |
8c0fdd85 TS |
2142 | break; |
2143 | case 26: | |
7a387fff TS |
2144 | rn = "ECC"; |
2145 | break; | |
8c0fdd85 | 2146 | case 27: |
7a387fff TS |
2147 | switch (sel) { |
2148 | /* ignored */ | |
2149 | case 0 ... 3: | |
2150 | rn = "CacheErr"; | |
2151 | break; | |
2152 | default: | |
2153 | goto die; | |
2154 | } | |
8c0fdd85 | 2155 | break; |
873eb012 TS |
2156 | case 28: |
2157 | switch (sel) { | |
2158 | case 0: | |
7a387fff TS |
2159 | case 2: |
2160 | case 4: | |
2161 | case 6: | |
873eb012 TS |
2162 | gen_op_mfc0_taglo(); |
2163 | rn = "TagLo"; | |
2164 | break; | |
2165 | case 1: | |
7a387fff TS |
2166 | case 3: |
2167 | case 5: | |
2168 | case 7: | |
873eb012 TS |
2169 | gen_op_mfc0_datalo(); |
2170 | rn = "DataLo"; | |
2171 | break; | |
2172 | default: | |
873eb012 TS |
2173 | goto die; |
2174 | } | |
2175 | break; | |
8c0fdd85 | 2176 | case 29: |
7a387fff TS |
2177 | switch (sel) { |
2178 | case 0: | |
2179 | case 2: | |
2180 | case 4: | |
2181 | case 6: | |
2182 | gen_op_mfc0_taghi(); | |
2183 | rn = "TagHi"; | |
2184 | break; | |
2185 | case 1: | |
2186 | case 3: | |
2187 | case 5: | |
2188 | case 7: | |
2189 | gen_op_mfc0_datahi(); | |
2190 | rn = "DataHi"; | |
2191 | break; | |
2192 | default: | |
2193 | goto die; | |
2194 | } | |
8c0fdd85 | 2195 | break; |
873eb012 | 2196 | case 30: |
7a387fff TS |
2197 | switch (sel) { |
2198 | case 0: | |
2199 | gen_op_mfc0_errorepc(); | |
2200 | rn = "ErrorEPC"; | |
2201 | break; | |
2202 | default: | |
2203 | goto die; | |
2204 | } | |
873eb012 TS |
2205 | break; |
2206 | case 31: | |
7a387fff TS |
2207 | switch (sel) { |
2208 | case 0: | |
2209 | gen_op_mfc0_desave(); /* EJTAG support */ | |
2210 | rn = "DESAVE"; | |
2211 | break; | |
2212 | default: | |
2213 | goto die; | |
2214 | } | |
873eb012 TS |
2215 | break; |
2216 | default: | |
873eb012 TS |
2217 | goto die; |
2218 | } | |
2219 | #if defined MIPS_DEBUG_DISAS | |
2220 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
7a387fff TS |
2221 | fprintf(logfile, "mfc0 %s (reg %d sel %d)\n", |
2222 | rn, reg, sel); | |
873eb012 TS |
2223 | } |
2224 | #endif | |
2225 | return; | |
2226 | ||
2227 | die: | |
2228 | #if defined MIPS_DEBUG_DISAS | |
2229 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
7a387fff TS |
2230 | fprintf(logfile, "mfc0 %s (reg %d sel %d)\n", |
2231 | rn, reg, sel); | |
873eb012 TS |
2232 | } |
2233 | #endif | |
2234 | generate_exception(ctx, EXCP_RI); | |
2235 | } | |
2236 | ||
8c0fdd85 TS |
2237 | static void gen_mtc0 (DisasContext *ctx, int reg, int sel) |
2238 | { | |
7a387fff TS |
2239 | const char *rn = "invalid"; |
2240 | ||
8c0fdd85 TS |
2241 | switch (reg) { |
2242 | case 0: | |
7a387fff TS |
2243 | switch (sel) { |
2244 | case 0: | |
2245 | gen_op_mtc0_index(); | |
2246 | rn = "Index"; | |
2247 | break; | |
2248 | case 1: | |
2249 | // gen_op_mtc0_mvpcontrol(); /* MT ASE */ | |
2250 | rn = "MVPControl"; | |
2251 | // break; | |
2252 | case 2: | |
2253 | // gen_op_mtc0_mvpconf0(); /* MT ASE */ | |
2254 | rn = "MVPConf0"; | |
2255 | // break; | |
2256 | case 3: | |
2257 | // gen_op_mtc0_mvpconf1(); /* MT ASE */ | |
2258 | rn = "MVPConf1"; | |
2259 | // break; | |
2260 | default: | |
2261 | goto die; | |
2262 | } | |
8c0fdd85 TS |
2263 | break; |
2264 | case 1: | |
7a387fff TS |
2265 | switch (sel) { |
2266 | case 0: | |
2267 | /* ignored */ | |
2268 | rn = "Random"; | |
2269 | break; | |
2270 | case 1: | |
2271 | // gen_op_mtc0_vpecontrol(); /* MT ASE */ | |
2272 | rn = "VPEControl"; | |
2273 | // break; | |
2274 | case 2: | |
2275 | // gen_op_mtc0_vpeconf0(); /* MT ASE */ | |
2276 | rn = "VPEConf0"; | |
2277 | // break; | |
2278 | case 3: | |
2279 | // gen_op_mtc0_vpeconf1(); /* MT ASE */ | |
2280 | rn = "VPEConf1"; | |
2281 | // break; | |
2282 | case 4: | |
2283 | // gen_op_mtc0_YQMask(); /* MT ASE */ | |
2284 | rn = "YQMask"; | |
2285 | // break; | |
2286 | case 5: | |
2287 | // gen_op_mtc0_vpeschedule(); /* MT ASE */ | |
2288 | rn = "VPESchedule"; | |
2289 | // break; | |
2290 | case 6: | |
2291 | // gen_op_mtc0_vpeschefback(); /* MT ASE */ | |
2292 | rn = "VPEScheFBack"; | |
2293 | // break; | |
2294 | case 7: | |
2295 | // gen_op_mtc0_vpeopt(); /* MT ASE */ | |
2296 | rn = "VPEOpt"; | |
2297 | // break; | |
2298 | default: | |
2299 | goto die; | |
2300 | } | |
8c0fdd85 TS |
2301 | break; |
2302 | case 2: | |
7a387fff TS |
2303 | switch (sel) { |
2304 | case 0: | |
2305 | gen_op_mtc0_entrylo0(); | |
2306 | rn = "EntryLo0"; | |
2307 | break; | |
2308 | case 1: | |
2309 | // gen_op_mtc0_tcstatus(); /* MT ASE */ | |
2310 | rn = "TCStatus"; | |
2311 | // break; | |
2312 | case 2: | |
2313 | // gen_op_mtc0_tcbind(); /* MT ASE */ | |
2314 | rn = "TCBind"; | |
2315 | // break; | |
2316 | case 3: | |
2317 | // gen_op_mtc0_tcrestart(); /* MT ASE */ | |
2318 | rn = "TCRestart"; | |
2319 | // break; | |
2320 | case 4: | |
2321 | // gen_op_mtc0_tchalt(); /* MT ASE */ | |
2322 | rn = "TCHalt"; | |
2323 | // break; | |
2324 | case 5: | |
2325 | // gen_op_mtc0_tccontext(); /* MT ASE */ | |
2326 | rn = "TCContext"; | |
2327 | // break; | |
2328 | case 6: | |
2329 | // gen_op_mtc0_tcschedule(); /* MT ASE */ | |
2330 | rn = "TCSchedule"; | |
2331 | // break; | |
2332 | case 7: | |
2333 | // gen_op_mtc0_tcschefback(); /* MT ASE */ | |
2334 | rn = "TCScheFBack"; | |
2335 | // break; | |
2336 | default: | |
2337 | goto die; | |
2338 | } | |
8c0fdd85 TS |
2339 | break; |
2340 | case 3: | |
7a387fff TS |
2341 | switch (sel) { |
2342 | case 0: | |
2343 | gen_op_mtc0_entrylo1(); | |
2344 | rn = "EntryLo1"; | |
2345 | break; | |
2346 | default: | |
2347 | goto die; | |
2348 | } | |
8c0fdd85 TS |
2349 | break; |
2350 | case 4: | |
7a387fff TS |
2351 | switch (sel) { |
2352 | case 0: | |
2353 | gen_op_mtc0_context(); | |
2354 | rn = "Context"; | |
2355 | break; | |
2356 | case 1: | |
2357 | // gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */ | |
2358 | rn = "ContextConfig"; | |
2359 | // break; | |
2360 | default: | |
2361 | goto die; | |
2362 | } | |
8c0fdd85 TS |
2363 | break; |
2364 | case 5: | |
7a387fff TS |
2365 | switch (sel) { |
2366 | case 0: | |
2367 | gen_op_mtc0_pagemask(); | |
2368 | rn = "PageMask"; | |
2369 | break; | |
2370 | case 1: | |
2371 | gen_op_mtc0_pagegrain(); | |
2372 | rn = "PageGrain"; | |
2373 | break; | |
2374 | default: | |
2375 | goto die; | |
2376 | } | |
8c0fdd85 TS |
2377 | break; |
2378 | case 6: | |
7a387fff TS |
2379 | switch (sel) { |
2380 | case 0: | |
2381 | gen_op_mtc0_wired(); | |
2382 | rn = "Wired"; | |
2383 | break; | |
2384 | case 1: | |
2385 | // gen_op_mtc0_srsconf0(); /* shadow registers */ | |
2386 | rn = "SRSConf0"; | |
2387 | // break; | |
2388 | case 2: | |
2389 | // gen_op_mtc0_srsconf1(); /* shadow registers */ | |
2390 | rn = "SRSConf1"; | |
2391 | // break; | |
2392 | case 3: | |
2393 | // gen_op_mtc0_srsconf2(); /* shadow registers */ | |
2394 | rn = "SRSConf2"; | |
2395 | // break; | |
2396 | case 4: | |
2397 | // gen_op_mtc0_srsconf3(); /* shadow registers */ | |
2398 | rn = "SRSConf3"; | |
2399 | // break; | |
2400 | case 5: | |
2401 | // gen_op_mtc0_srsconf4(); /* shadow registers */ | |
2402 | rn = "SRSConf4"; | |
2403 | // break; | |
2404 | default: | |
2405 | goto die; | |
2406 | } | |
8c0fdd85 TS |
2407 | break; |
2408 | case 7: | |
7a387fff TS |
2409 | switch (sel) { |
2410 | case 0: | |
2411 | gen_op_mtc0_hwrena(); | |
2412 | rn = "HWREna"; | |
2413 | break; | |
2414 | default: | |
2415 | goto die; | |
2416 | } | |
8c0fdd85 TS |
2417 | break; |
2418 | case 8: | |
7a387fff | 2419 | /* ignored */ |
8c0fdd85 TS |
2420 | rn = "BadVaddr"; |
2421 | break; | |
2422 | case 9: | |
7a387fff TS |
2423 | switch (sel) { |
2424 | case 0: | |
2425 | gen_op_mtc0_count(); | |
2426 | rn = "Count"; | |
2427 | break; | |
2428 | /* 6,7 are implementation dependent */ | |
2429 | default: | |
2430 | goto die; | |
2431 | } | |
2432 | /* Stop translation as we may have switched the execution mode */ | |
2433 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2434 | break; |
2435 | case 10: | |
7a387fff TS |
2436 | switch (sel) { |
2437 | case 0: | |
2438 | gen_op_mtc0_entryhi(); | |
2439 | rn = "EntryHi"; | |
2440 | break; | |
2441 | default: | |
2442 | goto die; | |
2443 | } | |
8c0fdd85 TS |
2444 | break; |
2445 | case 11: | |
7a387fff TS |
2446 | switch (sel) { |
2447 | case 0: | |
2448 | gen_op_mtc0_compare(); | |
2449 | rn = "Compare"; | |
2450 | break; | |
2451 | /* 6,7 are implementation dependent */ | |
2452 | default: | |
2453 | goto die; | |
2454 | } | |
2455 | /* Stop translation as we may have switched the execution mode */ | |
2456 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2457 | break; |
2458 | case 12: | |
7a387fff TS |
2459 | switch (sel) { |
2460 | case 0: | |
2461 | gen_op_mtc0_status(); | |
2462 | rn = "Status"; | |
2463 | break; | |
2464 | case 1: | |
2465 | gen_op_mtc0_intctl(); | |
2466 | rn = "IntCtl"; | |
2467 | break; | |
2468 | case 2: | |
2469 | gen_op_mtc0_srsctl(); | |
2470 | rn = "SRSCtl"; | |
2471 | break; | |
2472 | case 3: | |
2473 | // gen_op_mtc0_srsmap(); /* shadow registers */ | |
2474 | rn = "SRSMap"; | |
2475 | // break; | |
2476 | default: | |
2477 | goto die; | |
2478 | } | |
2479 | /* Stop translation as we may have switched the execution mode */ | |
2480 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2481 | break; |
2482 | case 13: | |
7a387fff TS |
2483 | switch (sel) { |
2484 | case 0: | |
2485 | gen_op_mtc0_cause(); | |
2486 | rn = "Cause"; | |
2487 | break; | |
2488 | default: | |
2489 | goto die; | |
2490 | } | |
2491 | /* Stop translation as we may have switched the execution mode */ | |
2492 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2493 | break; |
2494 | case 14: | |
7a387fff TS |
2495 | switch (sel) { |
2496 | case 0: | |
2497 | gen_op_mtc0_epc(); | |
2498 | rn = "EPC"; | |
2499 | break; | |
2500 | default: | |
2501 | goto die; | |
2502 | } | |
8c0fdd85 TS |
2503 | break; |
2504 | case 15: | |
7a387fff TS |
2505 | switch (sel) { |
2506 | case 0: | |
2507 | /* ignored */ | |
2508 | rn = "PRid"; | |
2509 | break; | |
2510 | case 1: | |
2511 | gen_op_mtc0_ebase(); | |
2512 | rn = "EBase"; | |
2513 | break; | |
2514 | default: | |
2515 | goto die; | |
2516 | } | |
8c0fdd85 TS |
2517 | break; |
2518 | case 16: | |
2519 | switch (sel) { | |
2520 | case 0: | |
2521 | gen_op_mtc0_config0(); | |
7a387fff TS |
2522 | rn = "Config"; |
2523 | break; | |
2524 | case 1: | |
2525 | /* ignored */ | |
2526 | rn = "Config1"; | |
2527 | break; | |
2528 | case 2: | |
2529 | gen_op_mtc0_config2(); | |
2530 | rn = "Config2"; | |
8c0fdd85 | 2531 | break; |
7a387fff TS |
2532 | case 3: |
2533 | /* ignored */ | |
2534 | rn = "Config3"; | |
2535 | break; | |
2536 | /* 6,7 are implementation dependent */ | |
8c0fdd85 TS |
2537 | default: |
2538 | rn = "Invalid config selector"; | |
2539 | goto die; | |
2540 | } | |
7a387fff TS |
2541 | /* Stop translation as we may have switched the execution mode */ |
2542 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2543 | break; |
2544 | case 17: | |
7a387fff TS |
2545 | switch (sel) { |
2546 | case 0: | |
2547 | /* ignored */ | |
2548 | rn = "LLAddr"; | |
2549 | break; | |
2550 | default: | |
2551 | goto die; | |
2552 | } | |
8c0fdd85 TS |
2553 | break; |
2554 | case 18: | |
7a387fff TS |
2555 | switch (sel) { |
2556 | case 0: | |
2557 | gen_op_mtc0_watchlo0(); | |
2558 | rn = "WatchLo"; | |
2559 | break; | |
2560 | case 1: | |
2561 | // gen_op_mtc0_watchlo1(); | |
2562 | rn = "WatchLo1"; | |
2563 | // break; | |
2564 | case 2: | |
2565 | // gen_op_mtc0_watchlo2(); | |
2566 | rn = "WatchLo2"; | |
2567 | // break; | |
2568 | case 3: | |
2569 | // gen_op_mtc0_watchlo3(); | |
2570 | rn = "WatchLo3"; | |
2571 | // break; | |
2572 | case 4: | |
2573 | // gen_op_mtc0_watchlo4(); | |
2574 | rn = "WatchLo4"; | |
2575 | // break; | |
2576 | case 5: | |
2577 | // gen_op_mtc0_watchlo5(); | |
2578 | rn = "WatchLo5"; | |
2579 | // break; | |
2580 | case 6: | |
2581 | // gen_op_mtc0_watchlo6(); | |
2582 | rn = "WatchLo6"; | |
2583 | // break; | |
2584 | case 7: | |
2585 | // gen_op_mtc0_watchlo7(); | |
2586 | rn = "WatchLo7"; | |
2587 | // break; | |
2588 | default: | |
2589 | goto die; | |
2590 | } | |
8c0fdd85 TS |
2591 | break; |
2592 | case 19: | |
7a387fff TS |
2593 | switch (sel) { |
2594 | case 0: | |
2595 | gen_op_mtc0_watchhi0(); | |
2596 | rn = "WatchHi"; | |
2597 | break; | |
2598 | case 1: | |
2599 | // gen_op_mtc0_watchhi1(); | |
2600 | rn = "WatchHi1"; | |
2601 | // break; | |
2602 | case 2: | |
2603 | // gen_op_mtc0_watchhi2(); | |
2604 | rn = "WatchHi2"; | |
2605 | // break; | |
2606 | case 3: | |
2607 | // gen_op_mtc0_watchhi3(); | |
2608 | rn = "WatchHi3"; | |
2609 | // break; | |
2610 | case 4: | |
2611 | // gen_op_mtc0_watchhi4(); | |
2612 | rn = "WatchHi4"; | |
2613 | // break; | |
2614 | case 5: | |
2615 | // gen_op_mtc0_watchhi5(); | |
2616 | rn = "WatchHi5"; | |
2617 | // break; | |
2618 | case 6: | |
2619 | // gen_op_mtc0_watchhi6(); | |
2620 | rn = "WatchHi6"; | |
2621 | // break; | |
2622 | case 7: | |
2623 | // gen_op_mtc0_watchhi7(); | |
2624 | rn = "WatchHi7"; | |
2625 | // break; | |
2626 | default: | |
2627 | goto die; | |
2628 | } | |
8c0fdd85 TS |
2629 | break; |
2630 | case 20: | |
7a387fff TS |
2631 | switch (sel) { |
2632 | case 0: | |
2633 | /* 64 bit MMU only */ | |
2634 | gen_op_mtc0_xcontext(); | |
2635 | rn = "XContext"; | |
2636 | break; | |
2637 | default: | |
2638 | goto die; | |
2639 | } | |
8c0fdd85 TS |
2640 | break; |
2641 | case 21: | |
7a387fff TS |
2642 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ |
2643 | switch (sel) { | |
2644 | case 0: | |
2645 | gen_op_mtc0_framemask(); | |
2646 | rn = "Framemask"; | |
2647 | break; | |
2648 | default: | |
2649 | goto die; | |
2650 | } | |
2651 | break; | |
8c0fdd85 | 2652 | case 22: |
7a387fff TS |
2653 | /* ignored */ |
2654 | rn = "Diagnostic"; /* implementation dependent */ | |
8c0fdd85 TS |
2655 | break; |
2656 | case 23: | |
7a387fff TS |
2657 | switch (sel) { |
2658 | case 0: | |
2659 | gen_op_mtc0_debug(); /* EJTAG support */ | |
2660 | rn = "Debug"; | |
2661 | break; | |
2662 | case 1: | |
2663 | // gen_op_mtc0_tracecontrol(); /* PDtrace support */ | |
2664 | rn = "TraceControl"; | |
2665 | // break; | |
2666 | case 2: | |
2667 | // gen_op_mtc0_tracecontrol2(); /* PDtrace support */ | |
2668 | rn = "TraceControl2"; | |
2669 | // break; | |
2670 | case 3: | |
2671 | // gen_op_mtc0_usertracedata(); /* PDtrace support */ | |
2672 | rn = "UserTraceData"; | |
2673 | // break; | |
2674 | case 4: | |
2675 | // gen_op_mtc0_debug(); /* PDtrace support */ | |
2676 | rn = "TraceBPC"; | |
2677 | // break; | |
2678 | default: | |
2679 | goto die; | |
2680 | } | |
2681 | /* Stop translation as we may have switched the execution mode */ | |
2682 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2683 | break; |
2684 | case 24: | |
7a387fff TS |
2685 | switch (sel) { |
2686 | case 0: | |
2687 | gen_op_mtc0_depc(); /* EJTAG support */ | |
2688 | rn = "DEPC"; | |
2689 | break; | |
2690 | default: | |
2691 | goto die; | |
2692 | } | |
8c0fdd85 TS |
2693 | break; |
2694 | case 25: | |
7a387fff TS |
2695 | switch (sel) { |
2696 | case 0: | |
2697 | gen_op_mtc0_performance0(); | |
2698 | rn = "Performance0"; | |
2699 | break; | |
2700 | case 1: | |
2701 | // gen_op_mtc0_performance1(); | |
2702 | rn = "Performance1"; | |
2703 | // break; | |
2704 | case 2: | |
2705 | // gen_op_mtc0_performance2(); | |
2706 | rn = "Performance2"; | |
2707 | // break; | |
2708 | case 3: | |
2709 | // gen_op_mtc0_performance3(); | |
2710 | rn = "Performance3"; | |
2711 | // break; | |
2712 | case 4: | |
2713 | // gen_op_mtc0_performance4(); | |
2714 | rn = "Performance4"; | |
2715 | // break; | |
2716 | case 5: | |
2717 | // gen_op_mtc0_performance5(); | |
2718 | rn = "Performance5"; | |
2719 | // break; | |
2720 | case 6: | |
2721 | // gen_op_mtc0_performance6(); | |
2722 | rn = "Performance6"; | |
2723 | // break; | |
2724 | case 7: | |
2725 | // gen_op_mtc0_performance7(); | |
2726 | rn = "Performance7"; | |
2727 | // break; | |
2728 | default: | |
2729 | goto die; | |
2730 | } | |
8c0fdd85 TS |
2731 | break; |
2732 | case 26: | |
7a387fff | 2733 | /* ignored */ |
8c0fdd85 TS |
2734 | rn = "ECC"; |
2735 | break; | |
2736 | case 27: | |
7a387fff TS |
2737 | switch (sel) { |
2738 | case 0 ... 3: | |
2739 | /* ignored */ | |
2740 | rn = "CacheErr"; | |
2741 | break; | |
2742 | default: | |
2743 | goto die; | |
2744 | } | |
8c0fdd85 TS |
2745 | break; |
2746 | case 28: | |
2747 | switch (sel) { | |
2748 | case 0: | |
7a387fff TS |
2749 | case 2: |
2750 | case 4: | |
2751 | case 6: | |
8c0fdd85 TS |
2752 | gen_op_mtc0_taglo(); |
2753 | rn = "TagLo"; | |
2754 | break; | |
7a387fff TS |
2755 | case 1: |
2756 | case 3: | |
2757 | case 5: | |
2758 | case 7: | |
2759 | gen_op_mtc0_datalo(); | |
2760 | rn = "DataLo"; | |
2761 | break; | |
8c0fdd85 | 2762 | default: |
8c0fdd85 TS |
2763 | goto die; |
2764 | } | |
2765 | break; | |
2766 | case 29: | |
7a387fff TS |
2767 | switch (sel) { |
2768 | case 0: | |
2769 | case 2: | |
2770 | case 4: | |
2771 | case 6: | |
2772 | gen_op_mtc0_taghi(); | |
2773 | rn = "TagHi"; | |
2774 | break; | |
2775 | case 1: | |
2776 | case 3: | |
2777 | case 5: | |
2778 | case 7: | |
2779 | gen_op_mtc0_datahi(); | |
2780 | rn = "DataHi"; | |
2781 | break; | |
2782 | default: | |
2783 | rn = "invalid sel"; | |
2784 | goto die; | |
2785 | } | |
8c0fdd85 TS |
2786 | break; |
2787 | case 30: | |
7a387fff TS |
2788 | switch (sel) { |
2789 | case 0: | |
2790 | gen_op_mtc0_errorepc(); | |
2791 | rn = "ErrorEPC"; | |
2792 | break; | |
2793 | default: | |
2794 | goto die; | |
2795 | } | |
8c0fdd85 TS |
2796 | break; |
2797 | case 31: | |
7a387fff TS |
2798 | switch (sel) { |
2799 | case 0: | |
2800 | gen_op_mtc0_desave(); /* EJTAG support */ | |
2801 | rn = "DESAVE"; | |
2802 | break; | |
2803 | default: | |
2804 | goto die; | |
2805 | } | |
2806 | /* Stop translation as we may have switched the execution mode */ | |
2807 | ctx->bstate = BS_STOP; | |
8c0fdd85 TS |
2808 | break; |
2809 | default: | |
8c0fdd85 TS |
2810 | goto die; |
2811 | } | |
2812 | #if defined MIPS_DEBUG_DISAS | |
2813 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
7a387fff TS |
2814 | fprintf(logfile, "mtc0 %s (reg %d sel %d)\n", |
2815 | rn, reg, sel); | |
8c0fdd85 TS |
2816 | } |
2817 | #endif | |
2818 | return; | |
2819 | ||
2820 | die: | |
2821 | #if defined MIPS_DEBUG_DISAS | |
2822 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
7a387fff TS |
2823 | fprintf(logfile, "mtc0 %s (reg %d sel %d)\n", |
2824 | rn, reg, sel); | |
8c0fdd85 TS |
2825 | } |
2826 | #endif | |
2827 | generate_exception(ctx, EXCP_RI); | |
2828 | } | |
2829 | ||
9c2149c8 TS |
2830 | static void gen_dmfc0 (DisasContext *ctx, int reg, int sel) |
2831 | { | |
2832 | const char *rn = "invalid"; | |
2833 | ||
2834 | switch (reg) { | |
2835 | case 0: | |
2836 | switch (sel) { | |
2837 | case 0: | |
2838 | gen_op_mfc0_index(); | |
2839 | rn = "Index"; | |
2840 | break; | |
2841 | case 1: | |
2842 | // gen_op_dmfc0_mvpcontrol(); /* MT ASE */ | |
2843 | rn = "MVPControl"; | |
2844 | // break; | |
2845 | case 2: | |
2846 | // gen_op_dmfc0_mvpconf0(); /* MT ASE */ | |
2847 | rn = "MVPConf0"; | |
2848 | // break; | |
2849 | case 3: | |
2850 | // gen_op_dmfc0_mvpconf1(); /* MT ASE */ | |
2851 | rn = "MVPConf1"; | |
2852 | // break; | |
2853 | default: | |
2854 | goto die; | |
2855 | } | |
2856 | break; | |
2857 | case 1: | |
2858 | switch (sel) { | |
2859 | case 0: | |
2860 | gen_op_mfc0_random(); | |
2861 | rn = "Random"; | |
2862 | break; | |
2863 | case 1: | |
2864 | // gen_op_dmfc0_vpecontrol(); /* MT ASE */ | |
2865 | rn = "VPEControl"; | |
2866 | // break; | |
2867 | case 2: | |
2868 | // gen_op_dmfc0_vpeconf0(); /* MT ASE */ | |
2869 | rn = "VPEConf0"; | |
2870 | // break; | |
2871 | case 3: | |
2872 | // gen_op_dmfc0_vpeconf1(); /* MT ASE */ | |
2873 | rn = "VPEConf1"; | |
2874 | // break; | |
2875 | case 4: | |
2876 | // gen_op_dmfc0_YQMask(); /* MT ASE */ | |
2877 | rn = "YQMask"; | |
2878 | // break; | |
2879 | case 5: | |
2880 | // gen_op_dmfc0_vpeschedule(); /* MT ASE */ | |
2881 | rn = "VPESchedule"; | |
2882 | // break; | |
2883 | case 6: | |
2884 | // gen_op_dmfc0_vpeschefback(); /* MT ASE */ | |
2885 | rn = "VPEScheFBack"; | |
2886 | // break; | |
2887 | case 7: | |
2888 | // gen_op_dmfc0_vpeopt(); /* MT ASE */ | |
2889 | rn = "VPEOpt"; | |
2890 | // break; | |
2891 | default: | |
2892 | goto die; | |
2893 | } | |
2894 | break; | |
2895 | case 2: | |
2896 | switch (sel) { | |
2897 | case 0: | |
2898 | gen_op_dmfc0_entrylo0(); | |
2899 | rn = "EntryLo0"; | |
2900 | break; | |
2901 | case 1: | |
2902 | // gen_op_dmfc0_tcstatus(); /* MT ASE */ | |
2903 | rn = "TCStatus"; | |
2904 | // break; | |
2905 | case 2: | |
2906 | // gen_op_dmfc0_tcbind(); /* MT ASE */ | |
2907 | rn = "TCBind"; | |
2908 | // break; | |
2909 | case 3: | |
2910 | // gen_op_dmfc0_tcrestart(); /* MT ASE */ | |
2911 | rn = "TCRestart"; | |
2912 | // break; | |
2913 | case 4: | |
2914 | // gen_op_dmfc0_tchalt(); /* MT ASE */ | |
2915 | rn = "TCHalt"; | |
2916 | // break; | |
2917 | case 5: | |
2918 | // gen_op_dmfc0_tccontext(); /* MT ASE */ | |
2919 | rn = "TCContext"; | |
2920 | // break; | |
2921 | case 6: | |
2922 | // gen_op_dmfc0_tcschedule(); /* MT ASE */ | |
2923 | rn = "TCSchedule"; | |
2924 | // break; | |
2925 | case 7: | |
2926 | // gen_op_dmfc0_tcschefback(); /* MT ASE */ | |
2927 | rn = "TCScheFBack"; | |
2928 | // break; | |
2929 | default: | |
2930 | goto die; | |
2931 | } | |
2932 | break; | |
2933 | case 3: | |
2934 | switch (sel) { | |
2935 | case 0: | |
2936 | gen_op_dmfc0_entrylo1(); | |
2937 | rn = "EntryLo1"; | |
2938 | break; | |
2939 | default: | |
2940 | goto die; | |
2941 | } | |
2942 | break; | |
2943 | case 4: | |
2944 | switch (sel) { | |
2945 | case 0: | |
2946 | gen_op_dmfc0_context(); | |
2947 | rn = "Context"; | |
2948 | break; | |
2949 | case 1: | |
2950 | // gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */ | |
2951 | rn = "ContextConfig"; | |
2952 | // break; | |
2953 | default: | |
2954 | goto die; | |
2955 | } | |
2956 | break; | |
2957 | case 5: | |
2958 | switch (sel) { | |
2959 | case 0: | |
2960 | gen_op_mfc0_pagemask(); | |
2961 | rn = "PageMask"; | |
2962 | break; | |
2963 | case 1: | |
2964 | gen_op_mfc0_pagegrain(); | |
2965 | rn = "PageGrain"; | |
2966 | break; | |
2967 | default: | |
2968 | goto die; | |
2969 | } | |
2970 | break; | |
2971 | case 6: | |
2972 | switch (sel) { | |
2973 | case 0: | |
2974 | gen_op_mfc0_wired(); | |
2975 | rn = "Wired"; | |
2976 | break; | |
2977 | case 1: | |
2978 | // gen_op_dmfc0_srsconf0(); /* shadow registers */ | |
2979 | rn = "SRSConf0"; | |
2980 | // break; | |
2981 | case 2: | |
2982 | // gen_op_dmfc0_srsconf1(); /* shadow registers */ | |
2983 | rn = "SRSConf1"; | |
2984 | // break; | |
2985 | case 3: | |
2986 | // gen_op_dmfc0_srsconf2(); /* shadow registers */ | |
2987 | rn = "SRSConf2"; | |
2988 | // break; | |
2989 | case 4: | |
2990 | // gen_op_dmfc0_srsconf3(); /* shadow registers */ | |
2991 | rn = "SRSConf3"; | |
2992 | // break; | |
2993 | case 5: | |
2994 | // gen_op_dmfc0_srsconf4(); /* shadow registers */ | |
2995 | rn = "SRSConf4"; | |
2996 | // break; | |
2997 | default: | |
2998 | goto die; | |
2999 | } | |
3000 | break; | |
3001 | case 7: | |
3002 | switch (sel) { | |
3003 | case 0: | |
3004 | gen_op_mfc0_hwrena(); | |
3005 | rn = "HWREna"; | |
3006 | break; | |
3007 | default: | |
3008 | goto die; | |
3009 | } | |
3010 | break; | |
3011 | case 8: | |
3012 | switch (sel) { | |
3013 | case 0: | |
3014 | gen_op_dmfc0_badvaddr(); | |
3015 | rn = "BadVaddr"; | |
3016 | break; | |
3017 | default: | |
3018 | goto die; | |
3019 | } | |
3020 | break; | |
3021 | case 9: | |
3022 | switch (sel) { | |
3023 | case 0: | |
3024 | gen_op_mfc0_count(); | |
3025 | rn = "Count"; | |
3026 | break; | |
3027 | /* 6,7 are implementation dependent */ | |
3028 | default: | |
3029 | goto die; | |
3030 | } | |
3031 | break; | |
3032 | case 10: | |
3033 | switch (sel) { | |
3034 | case 0: | |
3035 | gen_op_dmfc0_entryhi(); | |
3036 | rn = "EntryHi"; | |
3037 | break; | |
3038 | default: | |
3039 | goto die; | |
3040 | } | |
3041 | break; | |
3042 | case 11: | |
3043 | switch (sel) { | |
3044 | case 0: | |
3045 | gen_op_mfc0_compare(); | |
3046 | rn = "Compare"; | |
3047 | break; | |
3048 | /* 6,7 are implementation dependent */ | |
3049 | default: | |
3050 | goto die; | |
3051 | } | |
3052 | break; | |
3053 | case 12: | |
3054 | switch (sel) { | |
3055 | case 0: | |
3056 | gen_op_mfc0_status(); | |
3057 | rn = "Status"; | |
3058 | break; | |
3059 | case 1: | |
3060 | gen_op_mfc0_intctl(); | |
3061 | rn = "IntCtl"; | |
3062 | break; | |
3063 | case 2: | |
3064 | gen_op_mfc0_srsctl(); | |
3065 | rn = "SRSCtl"; | |
3066 | break; | |
3067 | case 3: | |
3068 | gen_op_mfc0_srsmap(); /* shadow registers */ | |
3069 | rn = "SRSMap"; | |
3070 | break; | |
3071 | default: | |
3072 | goto die; | |
3073 | } | |
3074 | break; | |
3075 | case 13: | |
3076 | switch (sel) { | |
3077 | case 0: | |
3078 | gen_op_mfc0_cause(); | |
3079 | rn = "Cause"; | |
3080 | break; | |
3081 | default: | |
3082 | goto die; | |
3083 | } | |
3084 | break; | |
3085 | case 14: | |
3086 | switch (sel) { | |
3087 | case 0: | |
3088 | gen_op_dmfc0_epc(); | |
3089 | rn = "EPC"; | |
3090 | break; | |
3091 | default: | |
3092 | goto die; | |
3093 | } | |
3094 | break; | |
3095 | case 15: | |
3096 | switch (sel) { | |
3097 | case 0: | |
3098 | gen_op_mfc0_prid(); | |
3099 | rn = "PRid"; | |
3100 | break; | |
3101 | case 1: | |
b29a0341 | 3102 | gen_op_mfc0_ebase(); |
9c2149c8 TS |
3103 | rn = "EBase"; |
3104 | break; | |
3105 | default: | |
3106 | goto die; | |
3107 | } | |
3108 | break; | |
3109 | case 16: | |
3110 | switch (sel) { | |
3111 | case 0: | |
3112 | gen_op_mfc0_config0(); | |
3113 | rn = "Config"; | |
3114 | break; | |
3115 | case 1: | |
3116 | gen_op_mfc0_config1(); | |
3117 | rn = "Config1"; | |
3118 | break; | |
3119 | case 2: | |
3120 | gen_op_mfc0_config2(); | |
3121 | rn = "Config2"; | |
3122 | break; | |
3123 | case 3: | |
3124 | gen_op_mfc0_config3(); | |
3125 | rn = "Config3"; | |
3126 | break; | |
3127 | /* 6,7 are implementation dependent */ | |
3128 | default: | |
3129 | goto die; | |
3130 | } | |
3131 | break; | |
3132 | case 17: | |
3133 | switch (sel) { | |
3134 | case 0: | |
3135 | gen_op_dmfc0_lladdr(); | |
3136 | rn = "LLAddr"; | |
3137 | break; | |
3138 | default: | |
3139 | goto die; | |
3140 | } | |
3141 | break; | |
3142 | case 18: | |
3143 | switch (sel) { | |
3144 | case 0: | |
3145 | gen_op_dmfc0_watchlo0(); | |
3146 | rn = "WatchLo"; | |
3147 | break; | |
3148 | case 1: | |
3149 | // gen_op_dmfc0_watchlo1(); | |
3150 | rn = "WatchLo1"; | |
3151 | // break; | |
3152 | case 2: | |
3153 | // gen_op_dmfc0_watchlo2(); | |
3154 | rn = "WatchLo2"; | |
3155 | // break; | |
3156 | case 3: | |
3157 | // gen_op_dmfc0_watchlo3(); | |
3158 | rn = "WatchLo3"; | |
3159 | // break; | |
3160 | case 4: | |
3161 | // gen_op_dmfc0_watchlo4(); | |
3162 | rn = "WatchLo4"; | |
3163 | // break; | |
3164 | case 5: | |
3165 | // gen_op_dmfc0_watchlo5(); | |
3166 | rn = "WatchLo5"; | |
3167 | // break; | |
3168 | case 6: | |
3169 | // gen_op_dmfc0_watchlo6(); | |
3170 | rn = "WatchLo6"; | |
3171 | // break; | |
3172 | case 7: | |
3173 | // gen_op_dmfc0_watchlo7(); | |
3174 | rn = "WatchLo7"; | |
3175 | // break; | |
3176 | default: | |
3177 | goto die; | |
3178 | } | |
3179 | break; | |
3180 | case 19: | |
3181 | switch (sel) { | |
3182 | case 0: | |
3183 | gen_op_mfc0_watchhi0(); | |
3184 | rn = "WatchHi"; | |
3185 | break; | |
3186 | case 1: | |
3187 | // gen_op_mfc0_watchhi1(); | |
3188 | rn = "WatchHi1"; | |
3189 | // break; | |
3190 | case 2: | |
3191 | // gen_op_mfc0_watchhi2(); | |
3192 | rn = "WatchHi2"; | |
3193 | // break; | |
3194 | case 3: | |
3195 | // gen_op_mfc0_watchhi3(); | |
3196 | rn = "WatchHi3"; | |
3197 | // break; | |
3198 | case 4: | |
3199 | // gen_op_mfc0_watchhi4(); | |
3200 | rn = "WatchHi4"; | |
3201 | // break; | |
3202 | case 5: | |
3203 | // gen_op_mfc0_watchhi5(); | |
3204 | rn = "WatchHi5"; | |
3205 | // break; | |
3206 | case 6: | |
3207 | // gen_op_mfc0_watchhi6(); | |
3208 | rn = "WatchHi6"; | |
3209 | // break; | |
3210 | case 7: | |
3211 | // gen_op_mfc0_watchhi7(); | |
3212 | rn = "WatchHi7"; | |
3213 | // break; | |
3214 | default: | |
3215 | goto die; | |
3216 | } | |
3217 | break; | |
3218 | case 20: | |
3219 | switch (sel) { | |
3220 | case 0: | |
3221 | /* 64 bit MMU only */ | |
3222 | gen_op_dmfc0_xcontext(); | |
3223 | rn = "XContext"; | |
3224 | break; | |
3225 | default: | |
3226 | goto die; | |
3227 | } | |
3228 | break; | |
3229 | case 21: | |
3230 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ | |
3231 | switch (sel) { | |
3232 | case 0: | |
3233 | gen_op_mfc0_framemask(); | |
3234 | rn = "Framemask"; | |
3235 | break; | |
3236 | default: | |
3237 | goto die; | |
3238 | } | |
3239 | break; | |
3240 | case 22: | |
3241 | /* ignored */ | |
3242 | rn = "'Diagnostic"; /* implementation dependent */ | |
3243 | break; | |
3244 | case 23: | |
3245 | switch (sel) { | |
3246 | case 0: | |
3247 | gen_op_mfc0_debug(); /* EJTAG support */ | |
3248 | rn = "Debug"; | |
3249 | break; | |
3250 | case 1: | |
3251 | // gen_op_dmfc0_tracecontrol(); /* PDtrace support */ | |
3252 | rn = "TraceControl"; | |
3253 | // break; | |
3254 | case 2: | |
3255 | // gen_op_dmfc0_tracecontrol2(); /* PDtrace support */ | |
3256 | rn = "TraceControl2"; | |
3257 | // break; | |
3258 | case 3: | |
3259 | // gen_op_dmfc0_usertracedata(); /* PDtrace support */ | |
3260 | rn = "UserTraceData"; | |
3261 | // break; | |
3262 | case 4: | |
3263 | // gen_op_dmfc0_debug(); /* PDtrace support */ | |
3264 | rn = "TraceBPC"; | |
3265 | // break; | |
3266 | default: | |
3267 | goto die; | |
3268 | } | |
3269 | break; | |
3270 | case 24: | |
3271 | switch (sel) { | |
3272 | case 0: | |
3273 | gen_op_dmfc0_depc(); /* EJTAG support */ | |
3274 | rn = "DEPC"; | |
3275 | break; | |
3276 | default: | |
3277 | goto die; | |
3278 | } | |
3279 | break; | |
3280 | case 25: | |
3281 | switch (sel) { | |
3282 | case 0: | |
3283 | gen_op_mfc0_performance0(); | |
3284 | rn = "Performance0"; | |
3285 | break; | |
3286 | case 1: | |
3287 | // gen_op_dmfc0_performance1(); | |
3288 | rn = "Performance1"; | |
3289 | // break; | |
3290 | case 2: | |
3291 | // gen_op_dmfc0_performance2(); | |
3292 | rn = "Performance2"; | |
3293 | // break; | |
3294 | case 3: | |
3295 | // gen_op_dmfc0_performance3(); | |
3296 | rn = "Performance3"; | |
3297 | // break; | |
3298 | case 4: | |
3299 | // gen_op_dmfc0_performance4(); | |
3300 | rn = "Performance4"; | |
3301 | // break; | |
3302 | case 5: | |
3303 | // gen_op_dmfc0_performance5(); | |
3304 | rn = "Performance5"; | |
3305 | // break; | |
3306 | case 6: | |
3307 | // gen_op_dmfc0_performance6(); | |
3308 | rn = "Performance6"; | |
3309 | // break; | |
3310 | case 7: | |
3311 | // gen_op_dmfc0_performance7(); | |
3312 | rn = "Performance7"; | |
3313 | // break; | |
3314 | default: | |
3315 | goto die; | |
3316 | } | |
3317 | break; | |
3318 | case 26: | |
3319 | rn = "ECC"; | |
3320 | break; | |
3321 | case 27: | |
3322 | switch (sel) { | |
3323 | /* ignored */ | |
3324 | case 0 ... 3: | |
3325 | rn = "CacheErr"; | |
3326 | break; | |
3327 | default: | |
3328 | goto die; | |
3329 | } | |
3330 | break; | |
3331 | case 28: | |
3332 | switch (sel) { | |
3333 | case 0: | |
3334 | case 2: | |
3335 | case 4: | |
3336 | case 6: | |
3337 | gen_op_mfc0_taglo(); | |
3338 | rn = "TagLo"; | |
3339 | break; | |
3340 | case 1: | |
3341 | case 3: | |
3342 | case 5: | |
3343 | case 7: | |
3344 | gen_op_mfc0_datalo(); | |
3345 | rn = "DataLo"; | |
3346 | break; | |
3347 | default: | |
3348 | goto die; | |
3349 | } | |
3350 | break; | |
3351 | case 29: | |
3352 | switch (sel) { | |
3353 | case 0: | |
3354 | case 2: | |
3355 | case 4: | |
3356 | case 6: | |
3357 | gen_op_mfc0_taghi(); | |
3358 | rn = "TagHi"; | |
3359 | break; | |
3360 | case 1: | |
3361 | case 3: | |
3362 | case 5: | |
3363 | case 7: | |
3364 | gen_op_mfc0_datahi(); | |
3365 | rn = "DataHi"; | |
3366 | break; | |
3367 | default: | |
3368 | goto die; | |
3369 | } | |
3370 | break; | |
3371 | case 30: | |
3372 | switch (sel) { | |
3373 | case 0: | |
3374 | gen_op_dmfc0_errorepc(); | |
3375 | rn = "ErrorEPC"; | |
3376 | break; | |
3377 | default: | |
3378 | goto die; | |
3379 | } | |
3380 | break; | |
3381 | case 31: | |
3382 | switch (sel) { | |
3383 | case 0: | |
3384 | gen_op_mfc0_desave(); /* EJTAG support */ | |
3385 | rn = "DESAVE"; | |
3386 | break; | |
3387 | default: | |
3388 | goto die; | |
3389 | } | |
3390 | break; | |
3391 | default: | |
3392 | goto die; | |
3393 | } | |
3394 | #if defined MIPS_DEBUG_DISAS | |
3395 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
3396 | fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n", | |
3397 | rn, reg, sel); | |
3398 | } | |
3399 | #endif | |
3400 | return; | |
3401 | ||
3402 | die: | |
3403 | #if defined MIPS_DEBUG_DISAS | |
3404 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
3405 | fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n", | |
3406 | rn, reg, sel); | |
3407 | } | |
3408 | #endif | |
3409 | generate_exception(ctx, EXCP_RI); | |
3410 | } | |
3411 | ||
3412 | static void gen_dmtc0 (DisasContext *ctx, int reg, int sel) | |
3413 | { | |
3414 | const char *rn = "invalid"; | |
3415 | ||
3416 | switch (reg) { | |
3417 | case 0: | |
3418 | switch (sel) { | |
3419 | case 0: | |
3420 | gen_op_mtc0_index(); | |
3421 | rn = "Index"; | |
3422 | break; | |
3423 | case 1: | |
3424 | // gen_op_dmtc0_mvpcontrol(); /* MT ASE */ | |
3425 | rn = "MVPControl"; | |
3426 | // break; | |
3427 | case 2: | |
3428 | // gen_op_dmtc0_mvpconf0(); /* MT ASE */ | |
3429 | rn = "MVPConf0"; | |
3430 | // break; | |
3431 | case 3: | |
3432 | // gen_op_dmtc0_mvpconf1(); /* MT ASE */ | |
3433 | rn = "MVPConf1"; | |
3434 | // break; | |
3435 | default: | |
3436 | goto die; | |
3437 | } | |
3438 | break; | |
3439 | case 1: | |
3440 | switch (sel) { | |
3441 | case 0: | |
3442 | /* ignored */ | |
3443 | rn = "Random"; | |
3444 | break; | |
3445 | case 1: | |
3446 | // gen_op_dmtc0_vpecontrol(); /* MT ASE */ | |
3447 | rn = "VPEControl"; | |
3448 | // break; | |
3449 | case 2: | |
3450 | // gen_op_dmtc0_vpeconf0(); /* MT ASE */ | |
3451 | rn = "VPEConf0"; | |
3452 | // break; | |
3453 | case 3: | |
3454 | // gen_op_dmtc0_vpeconf1(); /* MT ASE */ | |
3455 | rn = "VPEConf1"; | |
3456 | // break; | |
3457 | case 4: | |
3458 | // gen_op_dmtc0_YQMask(); /* MT ASE */ | |
3459 | rn = "YQMask"; | |
3460 | // break; | |
3461 | case 5: | |
3462 | // gen_op_dmtc0_vpeschedule(); /* MT ASE */ | |
3463 | rn = "VPESchedule"; | |
3464 | // break; | |
3465 | case 6: | |
3466 | // gen_op_dmtc0_vpeschefback(); /* MT ASE */ | |
3467 | rn = "VPEScheFBack"; | |
3468 | // break; | |
3469 | case 7: | |
3470 | // gen_op_dmtc0_vpeopt(); /* MT ASE */ | |
3471 | rn = "VPEOpt"; | |
3472 | // break; | |
3473 | default: | |
3474 | goto die; | |
3475 | } | |
3476 | break; | |
3477 | case 2: | |
3478 | switch (sel) { | |
3479 | case 0: | |
3480 | gen_op_dmtc0_entrylo0(); | |
3481 | rn = "EntryLo0"; | |
3482 | break; | |
3483 | case 1: | |
3484 | // gen_op_dmtc0_tcstatus(); /* MT ASE */ | |
3485 | rn = "TCStatus"; | |
3486 | // break; | |
3487 | case 2: | |
3488 | // gen_op_dmtc0_tcbind(); /* MT ASE */ | |
3489 | rn = "TCBind"; | |
3490 | // break; | |
3491 | case 3: | |
3492 | // gen_op_dmtc0_tcrestart(); /* MT ASE */ | |
3493 | rn = "TCRestart"; | |
3494 | // break; | |
3495 | case 4: | |
3496 | // gen_op_dmtc0_tchalt(); /* MT ASE */ | |
3497 | rn = "TCHalt"; | |
3498 | // break; | |
3499 | case 5: | |
3500 | // gen_op_dmtc0_tccontext(); /* MT ASE */ | |
3501 | rn = "TCContext"; | |
3502 | // break; | |
3503 | case 6: | |
3504 | // gen_op_dmtc0_tcschedule(); /* MT ASE */ | |
3505 | rn = "TCSchedule"; | |
3506 | // break; | |
3507 | case 7: | |
3508 | // gen_op_dmtc0_tcschefback(); /* MT ASE */ | |
3509 | rn = "TCScheFBack"; | |
3510 | // break; | |
3511 | default: | |
3512 | goto die; | |
3513 | } | |
3514 | break; | |
3515 | case 3: | |
3516 | switch (sel) { | |
3517 | case 0: | |
3518 | gen_op_dmtc0_entrylo1(); | |
3519 | rn = "EntryLo1"; | |
3520 | break; | |
3521 | default: | |
3522 | goto die; | |
3523 | } | |
3524 | break; | |
3525 | case 4: | |
3526 | switch (sel) { | |
3527 | case 0: | |
3528 | gen_op_dmtc0_context(); | |
3529 | rn = "Context"; | |
3530 | break; | |
3531 | case 1: | |
3532 | // gen_op_dmtc0_contextconfig(); /* SmartMIPS ASE */ | |
3533 | rn = "ContextConfig"; | |
3534 | // break; | |
3535 | default: | |
3536 | goto die; | |
3537 | } | |
3538 | break; | |
3539 | case 5: | |
3540 | switch (sel) { | |
3541 | case 0: | |
3542 | gen_op_mtc0_pagemask(); | |
3543 | rn = "PageMask"; | |
3544 | break; | |
3545 | case 1: | |
3546 | gen_op_mtc0_pagegrain(); | |
3547 | rn = "PageGrain"; | |
3548 | break; | |
3549 | default: | |
3550 | goto die; | |
3551 | } | |
3552 | break; | |
3553 | case 6: | |
3554 | switch (sel) { | |
3555 | case 0: | |
3556 | gen_op_mtc0_wired(); | |
3557 | rn = "Wired"; | |
3558 | break; | |
3559 | case 1: | |
3560 | // gen_op_dmtc0_srsconf0(); /* shadow registers */ | |
3561 | rn = "SRSConf0"; | |
3562 | // break; | |
3563 | case 2: | |
3564 | // gen_op_dmtc0_srsconf1(); /* shadow registers */ | |
3565 | rn = "SRSConf1"; | |
3566 | // break; | |
3567 | case 3: | |
3568 | // gen_op_dmtc0_srsconf2(); /* shadow registers */ | |
3569 | rn = "SRSConf2"; | |
3570 | // break; | |
3571 | case 4: | |
3572 | // gen_op_dmtc0_srsconf3(); /* shadow registers */ | |
3573 | rn = "SRSConf3"; | |
3574 | // break; | |
3575 | case 5: | |
3576 | // gen_op_dmtc0_srsconf4(); /* shadow registers */ | |
3577 | rn = "SRSConf4"; | |
3578 | // break; | |
3579 | default: | |
3580 | goto die; | |
3581 | } | |
3582 | break; | |
3583 | case 7: | |
3584 | switch (sel) { | |
3585 | case 0: | |
3586 | gen_op_mtc0_hwrena(); | |
3587 | rn = "HWREna"; | |
3588 | break; | |
3589 | default: | |
3590 | goto die; | |
3591 | } | |
3592 | break; | |
3593 | case 8: | |
3594 | /* ignored */ | |
3595 | rn = "BadVaddr"; | |
3596 | break; | |
3597 | case 9: | |
3598 | switch (sel) { | |
3599 | case 0: | |
3600 | gen_op_mtc0_count(); | |
3601 | rn = "Count"; | |
3602 | break; | |
3603 | /* 6,7 are implementation dependent */ | |
3604 | default: | |
3605 | goto die; | |
3606 | } | |
3607 | /* Stop translation as we may have switched the execution mode */ | |
3608 | ctx->bstate = BS_STOP; | |
3609 | break; | |
3610 | case 10: | |
3611 | switch (sel) { | |
3612 | case 0: | |
3613 | gen_op_mtc0_entryhi(); | |
3614 | rn = "EntryHi"; | |
3615 | break; | |
3616 | default: | |
3617 | goto die; | |
3618 | } | |
3619 | break; | |
3620 | case 11: | |
3621 | switch (sel) { | |
3622 | case 0: | |
3623 | gen_op_mtc0_compare(); | |
3624 | rn = "Compare"; | |
3625 | break; | |
3626 | /* 6,7 are implementation dependent */ | |
3627 | default: | |
3628 | goto die; | |
3629 | } | |
3630 | /* Stop translation as we may have switched the execution mode */ | |
3631 | ctx->bstate = BS_STOP; | |
3632 | break; | |
3633 | case 12: | |
3634 | switch (sel) { | |
3635 | case 0: | |
3636 | gen_op_mtc0_status(); | |
3637 | rn = "Status"; | |
3638 | break; | |
3639 | case 1: | |
3640 | gen_op_mtc0_intctl(); | |
3641 | rn = "IntCtl"; | |
3642 | break; | |
3643 | case 2: | |
3644 | gen_op_mtc0_srsctl(); | |
3645 | rn = "SRSCtl"; | |
3646 | break; | |
3647 | case 3: | |
3648 | gen_op_mtc0_srsmap(); /* shadow registers */ | |
3649 | rn = "SRSMap"; | |
3650 | break; | |
3651 | default: | |
3652 | goto die; | |
3653 | } | |
3654 | /* Stop translation as we may have switched the execution mode */ | |
3655 | ctx->bstate = BS_STOP; | |
3656 | break; | |
3657 | case 13: | |
3658 | switch (sel) { | |
3659 | case 0: | |
3660 | gen_op_mtc0_cause(); | |
3661 | rn = "Cause"; | |
3662 | break; | |
3663 | default: | |
3664 | goto die; | |
3665 | } | |
3666 | /* Stop translation as we may have switched the execution mode */ | |
3667 | ctx->bstate = BS_STOP; | |
3668 | break; | |
3669 | case 14: | |
3670 | switch (sel) { | |
3671 | case 0: | |
3672 | gen_op_dmtc0_epc(); | |
3673 | rn = "EPC"; | |
3674 | break; | |
3675 | default: | |
3676 | goto die; | |
3677 | } | |
3678 | break; | |
3679 | case 15: | |
3680 | switch (sel) { | |
3681 | case 0: | |
3682 | /* ignored */ | |
3683 | rn = "PRid"; | |
3684 | break; | |
3685 | case 1: | |
b29a0341 | 3686 | gen_op_mtc0_ebase(); |
9c2149c8 TS |
3687 | rn = "EBase"; |
3688 | break; | |
3689 | default: | |
3690 | goto die; | |
3691 | } | |
3692 | break; | |
3693 | case 16: | |
3694 | switch (sel) { | |
3695 | case 0: | |
3696 | gen_op_mtc0_config0(); | |
3697 | rn = "Config"; | |
3698 | break; | |
3699 | case 1: | |
3700 | /* ignored */ | |
3701 | rn = "Config1"; | |
3702 | break; | |
3703 | case 2: | |
3704 | gen_op_mtc0_config2(); | |
3705 | rn = "Config2"; | |
3706 | break; | |
3707 | case 3: | |
3708 | /* ignored */ | |
3709 | rn = "Config3"; | |
3710 | break; | |
3711 | /* 6,7 are implementation dependent */ | |
3712 | default: | |
3713 | rn = "Invalid config selector"; | |
3714 | goto die; | |
3715 | } | |
3716 | /* Stop translation as we may have switched the execution mode */ | |
3717 | ctx->bstate = BS_STOP; | |
3718 | break; | |
3719 | case 17: | |
3720 | switch (sel) { | |
3721 | case 0: | |
3722 | /* ignored */ | |
3723 | rn = "LLAddr"; | |
3724 | break; | |
3725 | default: | |
3726 | goto die; | |
3727 | } | |
3728 | break; | |
3729 | case 18: | |
3730 | switch (sel) { | |
3731 | case 0: | |
3732 | gen_op_dmtc0_watchlo0(); | |
3733 | rn = "WatchLo"; | |
3734 | break; | |
3735 | case 1: | |
3736 | // gen_op_dmtc0_watchlo1(); | |
3737 | rn = "WatchLo1"; | |
3738 | // break; | |
3739 | case 2: | |
3740 | // gen_op_dmtc0_watchlo2(); | |
3741 | rn = "WatchLo2"; | |
3742 | // break; | |
3743 | case 3: | |
3744 | // gen_op_dmtc0_watchlo3(); | |
3745 | rn = "WatchLo3"; | |
3746 | // break; | |
3747 | case 4: | |
3748 | // gen_op_dmtc0_watchlo4(); | |
3749 | rn = "WatchLo4"; | |
3750 | // break; | |
3751 | case 5: | |
3752 | // gen_op_dmtc0_watchlo5(); | |
3753 | rn = "WatchLo5"; | |
3754 | // break; | |
3755 | case 6: | |
3756 | // gen_op_dmtc0_watchlo6(); | |
3757 | rn = "WatchLo6"; | |
3758 | // break; | |
3759 | case 7: | |
3760 | // gen_op_dmtc0_watchlo7(); | |
3761 | rn = "WatchLo7"; | |
3762 | // break; | |
3763 | default: | |
3764 | goto die; | |
3765 | } | |
3766 | break; | |
3767 | case 19: | |
3768 | switch (sel) { | |
3769 | case 0: | |
3770 | gen_op_mtc0_watchhi0(); | |
3771 | rn = "WatchHi"; | |
3772 | break; | |
3773 | case 1: | |
3774 | // gen_op_dmtc0_watchhi1(); | |
3775 | rn = "WatchHi1"; | |
3776 | // break; | |
3777 | case 2: | |
3778 | // gen_op_dmtc0_watchhi2(); | |
3779 | rn = "WatchHi2"; | |
3780 | // break; | |
3781 | case 3: | |
3782 | // gen_op_dmtc0_watchhi3(); | |
3783 | rn = "WatchHi3"; | |
3784 | // break; | |
3785 | case 4: | |
3786 | // gen_op_dmtc0_watchhi4(); | |
3787 | rn = "WatchHi4"; | |
3788 | // break; | |
3789 | case 5: | |
3790 | // gen_op_dmtc0_watchhi5(); | |
3791 | rn = "WatchHi5"; | |
3792 | // break; | |
3793 | case 6: | |
3794 | // gen_op_dmtc0_watchhi6(); | |
3795 | rn = "WatchHi6"; | |
3796 | // break; | |
3797 | case 7: | |
3798 | // gen_op_dmtc0_watchhi7(); | |
3799 | rn = "WatchHi7"; | |
3800 | // break; | |
3801 | default: | |
3802 | goto die; | |
3803 | } | |
3804 | break; | |
3805 | case 20: | |
3806 | switch (sel) { | |
3807 | case 0: | |
3808 | /* 64 bit MMU only */ | |
3809 | gen_op_dmtc0_xcontext(); | |
3810 | rn = "XContext"; | |
3811 | break; | |
3812 | default: | |
3813 | goto die; | |
3814 | } | |
3815 | break; | |
3816 | case 21: | |
3817 | /* Officially reserved, but sel 0 is used for R1x000 framemask */ | |
3818 | switch (sel) { | |
3819 | case 0: | |
3820 | gen_op_mtc0_framemask(); | |
3821 | rn = "Framemask"; | |
3822 | break; | |
3823 | default: | |
3824 | goto die; | |
3825 | } | |
3826 | break; | |
3827 | case 22: | |
3828 | /* ignored */ | |
3829 | rn = "Diagnostic"; /* implementation dependent */ | |
3830 | break; | |
3831 | case 23: | |
3832 | switch (sel) { | |
3833 | case 0: | |
3834 | gen_op_mtc0_debug(); /* EJTAG support */ | |
3835 | rn = "Debug"; | |
3836 | break; | |
3837 | case 1: | |
3838 | // gen_op_dmtc0_tracecontrol(); /* PDtrace support */ | |
3839 | rn = "TraceControl"; | |
3840 | // break; | |
3841 | case 2: | |
3842 | // gen_op_dmtc0_tracecontrol2(); /* PDtrace support */ | |
3843 | rn = "TraceControl2"; | |
3844 | // break; | |
3845 | case 3: | |
3846 | // gen_op_dmtc0_usertracedata(); /* PDtrace support */ | |
3847 | rn = "UserTraceData"; | |
3848 | // break; | |
3849 | case 4: | |
3850 | // gen_op_dmtc0_debug(); /* PDtrace support */ | |
3851 | rn = "TraceBPC"; | |
3852 | // break; | |
3853 | default: | |
3854 | goto die; | |
3855 | } | |
3856 | /* Stop translation as we may have switched the execution mode */ | |
3857 | ctx->bstate = BS_STOP; | |
3858 | break; | |
3859 | case 24: | |
3860 | switch (sel) { | |
3861 | case 0: | |
3862 | gen_op_dmtc0_depc(); /* EJTAG support */ | |
3863 | rn = "DEPC"; | |
3864 | break; | |
3865 | default: | |
3866 | goto die; | |
3867 | } | |
3868 | break; | |
3869 | case 25: | |
3870 | switch (sel) { | |
3871 | case 0: | |
3872 | gen_op_mtc0_performance0(); | |
3873 | rn = "Performance0"; | |
3874 | break; | |
3875 | case 1: | |
3876 | // gen_op_dmtc0_performance1(); | |
3877 | rn = "Performance1"; | |
3878 | // break; | |
3879 | case 2: | |
3880 | // gen_op_dmtc0_performance2(); | |
3881 | rn = "Performance2"; | |
3882 | // break; | |
3883 | case 3: | |
3884 | // gen_op_dmtc0_performance3(); | |
3885 | rn = "Performance3"; | |
3886 | // break; | |
3887 | case 4: | |
3888 | // gen_op_dmtc0_performance4(); | |
3889 | rn = "Performance4"; | |
3890 | // break; | |
3891 | case 5: | |
3892 | // gen_op_dmtc0_performance5(); | |
3893 | rn = "Performance5"; | |
3894 | // break; | |
3895 | case 6: | |
3896 | // gen_op_dmtc0_performance6(); | |
3897 | rn = "Performance6"; | |
3898 | // break; | |
3899 | case 7: | |
3900 | // gen_op_dmtc0_performance7(); | |
3901 | rn = "Performance7"; | |
3902 | // break; | |
3903 | default: | |
3904 | goto die; | |
3905 | } | |
3906 | break; | |
3907 | case 26: | |
3908 | /* ignored */ | |
3909 | rn = "ECC"; | |
3910 | break; | |
3911 | case 27: | |
3912 | switch (sel) { | |
3913 | case 0 ... 3: | |
3914 | /* ignored */ | |
3915 | rn = "CacheErr"; | |
3916 | break; | |
3917 | default: | |
3918 | goto die; | |
3919 | } | |
3920 | break; | |
3921 | case 28: | |
3922 | switch (sel) { | |
3923 | case 0: | |
3924 | case 2: | |
3925 | case 4: | |
3926 | case 6: | |
3927 | gen_op_mtc0_taglo(); | |
3928 | rn = "TagLo"; | |
3929 | break; | |
3930 | case 1: | |
3931 | case 3: | |
3932 | case 5: | |
3933 | case 7: | |
3934 | gen_op_mtc0_datalo(); | |
3935 | rn = "DataLo"; | |
3936 | break; | |
3937 | default: | |
3938 | goto die; | |
3939 | } | |
3940 | break; | |
3941 | case 29: | |
3942 | switch (sel) { | |
3943 | case 0: | |
3944 | case 2: | |
3945 | case 4: | |
3946 | case 6: | |
3947 | gen_op_mtc0_taghi(); | |
3948 | rn = "TagHi"; | |
3949 | break; | |
3950 | case 1: | |
3951 | case 3: | |
3952 | case 5: | |
3953 | case 7: | |
3954 | gen_op_mtc0_datahi(); | |
3955 | rn = "DataHi"; | |
3956 | break; | |
3957 | default: | |
3958 | rn = "invalid sel"; | |
3959 | goto die; | |
3960 | } | |
3961 | break; | |
3962 | case 30: | |
3963 | switch (sel) { | |
3964 | case 0: | |
3965 | gen_op_dmtc0_errorepc(); | |
3966 | rn = "ErrorEPC"; | |
3967 | break; | |
3968 | default: | |
3969 | goto die; | |
3970 | } | |
3971 | break; | |
3972 | case 31: | |
3973 | switch (sel) { | |
3974 | case 0: | |
3975 | gen_op_mtc0_desave(); /* EJTAG support */ | |
3976 | rn = "DESAVE"; | |
3977 | break; | |
3978 | default: | |
3979 | goto die; | |
3980 | } | |
3981 | /* Stop translation as we may have switched the execution mode */ | |
3982 | ctx->bstate = BS_STOP; | |
3983 | break; | |
3984 | default: | |
3985 | goto die; | |
3986 | } | |
3987 | #if defined MIPS_DEBUG_DISAS | |
3988 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
3989 | fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n", | |
3990 | rn, reg, sel); | |
3991 | } | |
3992 | #endif | |
3993 | return; | |
3994 | ||
3995 | die: | |
3996 | #if defined MIPS_DEBUG_DISAS | |
3997 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
3998 | fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n", | |
3999 | rn, reg, sel); | |
4000 | } | |
4001 | #endif | |
4002 | generate_exception(ctx, EXCP_RI); | |
4003 | } | |
4004 | ||
7a387fff | 4005 | static void gen_cp0 (DisasContext *ctx, uint32_t opc, int rt, int rd) |
6af0bf9c | 4006 | { |
7a387fff | 4007 | const char *opn = "unk"; |
6af0bf9c | 4008 | |
aa328add TS |
4009 | if ((!ctx->CP0_Status & (1 << CP0St_CU0) && |
4010 | (ctx->hflags & MIPS_HFLAG_UM)) && | |
bc2c3909 FB |
4011 | !(ctx->hflags & MIPS_HFLAG_ERL) && |
4012 | !(ctx->hflags & MIPS_HFLAG_EXL)) { | |
6af0bf9c FB |
4013 | if (loglevel & CPU_LOG_TB_IN_ASM) { |
4014 | fprintf(logfile, "CP0 is not usable\n"); | |
4015 | } | |
7a387fff | 4016 | generate_exception (ctx, EXCP_CpU); |
6af0bf9c FB |
4017 | return; |
4018 | } | |
d796321b | 4019 | |
6af0bf9c FB |
4020 | switch (opc) { |
4021 | case OPC_MFC0: | |
4022 | if (rt == 0) { | |
4023 | /* Treat as NOP */ | |
4024 | return; | |
4025 | } | |
873eb012 | 4026 | gen_mfc0(ctx, rd, ctx->opcode & 0x7); |
6af0bf9c FB |
4027 | gen_op_store_T0_gpr(rt); |
4028 | opn = "mfc0"; | |
4029 | break; | |
4030 | case OPC_MTC0: | |
4031 | /* If we get an exception, we want to restart at next instruction */ | |
9c2149c8 | 4032 | /* XXX: breaks for mtc in delay slot */ |
6af0bf9c FB |
4033 | ctx->pc += 4; |
4034 | save_cpu_state(ctx, 1); | |
4035 | ctx->pc -= 4; | |
4036 | GEN_LOAD_REG_TN(T0, rt); | |
8c0fdd85 | 4037 | gen_mtc0(ctx, rd, ctx->opcode & 0x7); |
6af0bf9c FB |
4038 | opn = "mtc0"; |
4039 | break; | |
9c2149c8 TS |
4040 | case OPC_DMFC0: |
4041 | if (rt == 0) { | |
4042 | /* Treat as NOP */ | |
4043 | return; | |
4044 | } | |
4045 | gen_dmfc0(ctx, rd, ctx->opcode & 0x7); | |
4046 | gen_op_store_T0_gpr(rt); | |
4047 | opn = "dmfc0"; | |
4048 | break; | |
4049 | case OPC_DMTC0: | |
4050 | /* If we get an exception, we want to restart at next instruction */ | |
4051 | /* XXX: breaks for dmtc in delay slot */ | |
4052 | ctx->pc += 4; | |
4053 | save_cpu_state(ctx, 1); | |
4054 | ctx->pc -= 4; | |
4055 | GEN_LOAD_REG_TN(T0, rt); | |
4056 | gen_dmtc0(ctx, rd, ctx->opcode & 0x7); | |
4057 | opn = "dmtc0"; | |
4058 | break; | |
6af0bf9c FB |
4059 | #if defined(MIPS_USES_R4K_TLB) |
4060 | case OPC_TLBWI: | |
4061 | gen_op_tlbwi(); | |
4062 | opn = "tlbwi"; | |
4063 | break; | |
4064 | case OPC_TLBWR: | |
4065 | gen_op_tlbwr(); | |
4066 | opn = "tlbwr"; | |
4067 | break; | |
4068 | case OPC_TLBP: | |
4069 | gen_op_tlbp(); | |
4070 | opn = "tlbp"; | |
4071 | break; | |
4072 | case OPC_TLBR: | |
4073 | gen_op_tlbr(); | |
4074 | opn = "tlbr"; | |
4075 | break; | |
4076 | #endif | |
4077 | case OPC_ERET: | |
4078 | opn = "eret"; | |
4079 | save_cpu_state(ctx, 0); | |
4080 | gen_op_eret(); | |
4081 | ctx->bstate = BS_EXCP; | |
4082 | break; | |
4083 | case OPC_DERET: | |
4084 | opn = "deret"; | |
4085 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { | |
4086 | generate_exception(ctx, EXCP_RI); | |
4087 | } else { | |
4088 | save_cpu_state(ctx, 0); | |
4089 | gen_op_deret(); | |
4090 | ctx->bstate = BS_EXCP; | |
4091 | } | |
4092 | break; | |
4ad40f36 FB |
4093 | case OPC_WAIT: |
4094 | opn = "wait"; | |
4095 | /* If we get an exception, we want to restart at next instruction */ | |
4096 | ctx->pc += 4; | |
4097 | save_cpu_state(ctx, 1); | |
4098 | ctx->pc -= 4; | |
4099 | gen_op_wait(); | |
4100 | ctx->bstate = BS_EXCP; | |
4101 | break; | |
6af0bf9c FB |
4102 | default: |
4103 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
4104 | fprintf(logfile, "Invalid CP0 opcode: %08x %03x %03x %03x\n", | |
4105 | ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F, | |
4106 | ((ctx->opcode >> 16) & 0x1F)); | |
4107 | } | |
4108 | generate_exception(ctx, EXCP_RI); | |
4109 | return; | |
4110 | } | |
4111 | MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd); | |
4112 | } | |
4113 | ||
71fb7241 TS |
4114 | #ifdef MIPS_USES_FPU |
4115 | ||
6ea83fed | 4116 | /* CP1 Branches (before delay slot) */ |
7a387fff | 4117 | static void gen_compute_branch1 (DisasContext *ctx, uint32_t op, |
6ea83fed FB |
4118 | int32_t offset) |
4119 | { | |
4120 | target_ulong btarget; | |
4121 | ||
4122 | btarget = ctx->pc + 4 + offset; | |
4123 | ||
7a387fff TS |
4124 | switch (op) { |
4125 | case OPC_BC1F: | |
6ea83fed | 4126 | gen_op_bc1f(); |
c570fd16 | 4127 | MIPS_DEBUG("bc1f " TLSZ, btarget); |
6ea83fed | 4128 | goto not_likely; |
7a387fff | 4129 | case OPC_BC1FL: |
6ea83fed | 4130 | gen_op_bc1f(); |
c570fd16 | 4131 | MIPS_DEBUG("bc1fl " TLSZ, btarget); |
6ea83fed | 4132 | goto likely; |
7a387fff | 4133 | case OPC_BC1T: |
6ea83fed | 4134 | gen_op_bc1t(); |
c570fd16 | 4135 | MIPS_DEBUG("bc1t " TLSZ, btarget); |
6ea83fed FB |
4136 | not_likely: |
4137 | ctx->hflags |= MIPS_HFLAG_BC; | |
4138 | break; | |
7a387fff | 4139 | case OPC_BC1TL: |
6ea83fed | 4140 | gen_op_bc1t(); |
c570fd16 | 4141 | MIPS_DEBUG("bc1tl " TLSZ, btarget); |
6ea83fed FB |
4142 | likely: |
4143 | ctx->hflags |= MIPS_HFLAG_BL; | |
4144 | break; | |
4145 | default: | |
4146 | MIPS_INVAL("cp1 branch/jump"); | |
7a387fff | 4147 | generate_exception_err (ctx, EXCP_RI, 1); |
6ea83fed FB |
4148 | return; |
4149 | } | |
4150 | gen_op_set_bcond(); | |
4151 | ||
c570fd16 | 4152 | MIPS_DEBUG("enter ds: cond %02x target " TLSZ, |
6ea83fed FB |
4153 | ctx->hflags, btarget); |
4154 | ctx->btarget = btarget; | |
4155 | ||
4156 | return; | |
4157 | } | |
4158 | ||
6af0bf9c | 4159 | /* Coprocessor 1 (FPU) */ |
7a387fff | 4160 | static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
6ea83fed | 4161 | { |
7a387fff | 4162 | const char *opn = "unk"; |
6ea83fed FB |
4163 | |
4164 | switch (opc) { | |
4165 | case OPC_MFC1: | |
4166 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4167 | gen_op_mfc1(); | |
4168 | GEN_STORE_TN_REG(rt, T0); | |
4169 | opn = "mfc1"; | |
4170 | break; | |
4171 | case OPC_MTC1: | |
4172 | GEN_LOAD_REG_TN(T0, rt); | |
4173 | gen_op_mtc1(); | |
4174 | GEN_STORE_FTN_FREG(fs, WT0); | |
4175 | opn = "mtc1"; | |
4176 | break; | |
4177 | case OPC_CFC1: | |
4178 | if (fs != 0 && fs != 31) { | |
4179 | MIPS_INVAL("cfc1 freg"); | |
7a387fff | 4180 | generate_exception_err (ctx, EXCP_RI, 1); |
6ea83fed FB |
4181 | return; |
4182 | } | |
4183 | GEN_LOAD_IMM_TN(T1, fs); | |
4184 | gen_op_cfc1(); | |
4185 | GEN_STORE_TN_REG(rt, T0); | |
4186 | opn = "cfc1"; | |
4187 | break; | |
4188 | case OPC_CTC1: | |
7a387fff | 4189 | if (fs != 0 && fs != 31) { |
6ea83fed | 4190 | MIPS_INVAL("ctc1 freg"); |
7a387fff | 4191 | generate_exception_err (ctx, EXCP_RI, 1); |
6ea83fed FB |
4192 | return; |
4193 | } | |
4194 | GEN_LOAD_IMM_TN(T1, fs); | |
4195 | GEN_LOAD_REG_TN(T0, rt); | |
4196 | gen_op_ctc1(); | |
4197 | opn = "ctc1"; | |
4198 | break; | |
9c2149c8 TS |
4199 | case OPC_DMFC1: |
4200 | case OPC_DMTC1: | |
4201 | /* Not implemented, fallthrough. */ | |
6ea83fed FB |
4202 | default: |
4203 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
4204 | fprintf(logfile, "Invalid CP1 opcode: %08x %03x %03x %03x\n", | |
4205 | ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F, | |
4206 | ((ctx->opcode >> 16) & 0x1F)); | |
4207 | } | |
7a387fff | 4208 | generate_exception_err (ctx, EXCP_RI, 1); |
6ea83fed FB |
4209 | return; |
4210 | } | |
4211 | MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]); | |
4212 | } | |
4213 | ||
4214 | /* verify if floating point register is valid; an operation is not defined | |
4215 | * if bit 0 of any register specification is set and the FR bit in the | |
4216 | * Status register equals zero, since the register numbers specify an | |
4217 | * even-odd pair of adjacent coprocessor general registers. When the FR bit | |
4218 | * in the Status register equals one, both even and odd register numbers | |
4219 | * are valid. | |
4220 | * | |
4221 | * Multiple float registers can be checked by calling | |
4222 | * CHECK_FR(ctx, freg1 | freg2 | ... | fregN); | |
4223 | */ | |
4224 | #define CHECK_FR(ctx, freg) do { \ | |
4225 | if (!((ctx)->CP0_Status & (1<<CP0St_FR)) && ((freg) & 1)) { \ | |
7a387fff | 4226 | generate_exception_err (ctx, EXCP_RI, 1); \ |
6ea83fed FB |
4227 | return; \ |
4228 | } \ | |
4229 | } while(0) | |
4230 | ||
4231 | #define FOP(func, fmt) (((fmt) << 21) | (func)) | |
4232 | ||
7a387fff | 4233 | static void gen_farith (DisasContext *ctx, uint32_t op1, int ft, int fs, int fd) |
6ea83fed | 4234 | { |
7a387fff | 4235 | const char *opn = "unk"; |
6ea83fed FB |
4236 | const char *condnames[] = { |
4237 | "c.f", | |
4238 | "c.un", | |
4239 | "c.eq", | |
4240 | "c.ueq", | |
4241 | "c.olt", | |
4242 | "c.ult", | |
4243 | "c.ole", | |
4244 | "c.ule", | |
4245 | "c.sf", | |
4246 | "c.ngle", | |
4247 | "c.seq", | |
4248 | "c.ngl", | |
4249 | "c.lt", | |
4250 | "c.nge", | |
4251 | "c.le", | |
4252 | "c.ngt", | |
4253 | }; | |
4254 | int binary = 0; | |
7a387fff TS |
4255 | uint32_t func = ctx->opcode & 0x3f; |
4256 | ||
6ea83fed FB |
4257 | switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
4258 | case FOP(0, 17): | |
4259 | CHECK_FR(ctx, fs | ft | fd); | |
4260 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4261 | GEN_LOAD_FREG_FTN(DT1, ft); | |
4262 | gen_op_float_add_d(); | |
4263 | GEN_STORE_FTN_FREG(fd, DT2); | |
4264 | opn = "add.d"; | |
4265 | binary = 1; | |
4266 | break; | |
4267 | case FOP(1, 17): | |
4268 | CHECK_FR(ctx, fs | ft | fd); | |
4269 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4270 | GEN_LOAD_FREG_FTN(DT1, ft); | |
4271 | gen_op_float_sub_d(); | |
4272 | GEN_STORE_FTN_FREG(fd, DT2); | |
4273 | opn = "sub.d"; | |
4274 | binary = 1; | |
4275 | break; | |
4276 | case FOP(2, 17): | |
4277 | CHECK_FR(ctx, fs | ft | fd); | |
4278 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4279 | GEN_LOAD_FREG_FTN(DT1, ft); | |
4280 | gen_op_float_mul_d(); | |
4281 | GEN_STORE_FTN_FREG(fd, DT2); | |
4282 | opn = "mul.d"; | |
4283 | binary = 1; | |
4284 | break; | |
4285 | case FOP(3, 17): | |
4286 | CHECK_FR(ctx, fs | ft | fd); | |
4287 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4288 | GEN_LOAD_FREG_FTN(DT1, ft); | |
4289 | gen_op_float_div_d(); | |
4290 | GEN_STORE_FTN_FREG(fd, DT2); | |
4291 | opn = "div.d"; | |
4292 | binary = 1; | |
4293 | break; | |
4294 | case FOP(4, 17): | |
4295 | CHECK_FR(ctx, fs | fd); | |
4296 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4297 | gen_op_float_sqrt_d(); | |
4298 | GEN_STORE_FTN_FREG(fd, DT2); | |
4299 | opn = "sqrt.d"; | |
4300 | break; | |
4301 | case FOP(5, 17): | |
4302 | CHECK_FR(ctx, fs | fd); | |
4303 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4304 | gen_op_float_abs_d(); | |
4305 | GEN_STORE_FTN_FREG(fd, DT2); | |
4306 | opn = "abs.d"; | |
4307 | break; | |
4308 | case FOP(6, 17): | |
4309 | CHECK_FR(ctx, fs | fd); | |
4310 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4311 | gen_op_float_mov_d(); | |
4312 | GEN_STORE_FTN_FREG(fd, DT2); | |
4313 | opn = "mov.d"; | |
4314 | break; | |
4315 | case FOP(7, 17): | |
4316 | CHECK_FR(ctx, fs | fd); | |
4317 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4318 | gen_op_float_chs_d(); | |
4319 | GEN_STORE_FTN_FREG(fd, DT2); | |
4320 | opn = "neg.d"; | |
4321 | break; | |
4322 | /* 8 - round.l */ | |
4323 | /* 9 - trunc.l */ | |
4324 | /* 10 - ceil.l */ | |
4325 | /* 11 - floor.l */ | |
4326 | case FOP(12, 17): | |
4327 | CHECK_FR(ctx, fs | fd); | |
4328 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4329 | gen_op_float_roundw_d(); | |
4330 | GEN_STORE_FTN_FREG(fd, WT2); | |
4331 | opn = "round.w.d"; | |
4332 | break; | |
4333 | case FOP(13, 17): | |
4334 | CHECK_FR(ctx, fs | fd); | |
4335 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4336 | gen_op_float_truncw_d(); | |
4337 | GEN_STORE_FTN_FREG(fd, WT2); | |
4338 | opn = "trunc.w.d"; | |
4339 | break; | |
4340 | case FOP(14, 17): | |
4341 | CHECK_FR(ctx, fs | fd); | |
4342 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4343 | gen_op_float_ceilw_d(); | |
4344 | GEN_STORE_FTN_FREG(fd, WT2); | |
4345 | opn = "ceil.w.d"; | |
4346 | break; | |
4347 | case FOP(15, 17): | |
4348 | CHECK_FR(ctx, fs | fd); | |
4349 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4350 | gen_op_float_floorw_d(); | |
4351 | GEN_STORE_FTN_FREG(fd, WT2); | |
7a387fff | 4352 | opn = "floor.w.d"; |
6ea83fed | 4353 | break; |
dd016883 FB |
4354 | case FOP(33, 16): /* cvt.d.s */ |
4355 | CHECK_FR(ctx, fs | fd); | |
4356 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4357 | gen_op_float_cvtd_s(); | |
4358 | GEN_STORE_FTN_FREG(fd, DT2); | |
4359 | opn = "cvt.d.s"; | |
4360 | break; | |
6ea83fed FB |
4361 | case FOP(33, 20): /* cvt.d.w */ |
4362 | CHECK_FR(ctx, fs | fd); | |
4363 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4364 | gen_op_float_cvtd_w(); | |
4365 | GEN_STORE_FTN_FREG(fd, DT2); | |
4366 | opn = "cvt.d.w"; | |
4367 | break; | |
4368 | case FOP(48, 17): | |
4369 | case FOP(49, 17): | |
4370 | case FOP(50, 17): | |
4371 | case FOP(51, 17): | |
4372 | case FOP(52, 17): | |
4373 | case FOP(53, 17): | |
4374 | case FOP(54, 17): | |
4375 | case FOP(55, 17): | |
4376 | case FOP(56, 17): | |
4377 | case FOP(57, 17): | |
4378 | case FOP(58, 17): | |
4379 | case FOP(59, 17): | |
4380 | case FOP(60, 17): | |
4381 | case FOP(61, 17): | |
4382 | case FOP(62, 17): | |
4383 | case FOP(63, 17): | |
4384 | CHECK_FR(ctx, fs | ft); | |
4385 | GEN_LOAD_FREG_FTN(DT0, fs); | |
4386 | GEN_LOAD_FREG_FTN(DT1, ft); | |
4387 | gen_cmp_d(func-48); | |
4388 | opn = condnames[func-48]; | |
4389 | break; | |
4390 | case FOP(0, 16): | |
4391 | CHECK_FR(ctx, fs | ft | fd); | |
4392 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4393 | GEN_LOAD_FREG_FTN(WT1, ft); | |
4394 | gen_op_float_add_s(); | |
4395 | GEN_STORE_FTN_FREG(fd, WT2); | |
4396 | opn = "add.s"; | |
4397 | binary = 1; | |
4398 | break; | |
4399 | case FOP(1, 16): | |
4400 | CHECK_FR(ctx, fs | ft | fd); | |
4401 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4402 | GEN_LOAD_FREG_FTN(WT1, ft); | |
4403 | gen_op_float_sub_s(); | |
4404 | GEN_STORE_FTN_FREG(fd, WT2); | |
4405 | opn = "sub.s"; | |
4406 | binary = 1; | |
4407 | break; | |
4408 | case FOP(2, 16): | |
4409 | CHECK_FR(ctx, fs | ft | fd); | |
4410 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4411 | GEN_LOAD_FREG_FTN(WT1, ft); | |
4412 | gen_op_float_mul_s(); | |
4413 | GEN_STORE_FTN_FREG(fd, WT2); | |
4414 | opn = "mul.s"; | |
4415 | binary = 1; | |
4416 | break; | |
4417 | case FOP(3, 16): | |
4418 | CHECK_FR(ctx, fs | ft | fd); | |
4419 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4420 | GEN_LOAD_FREG_FTN(WT1, ft); | |
4421 | gen_op_float_div_s(); | |
4422 | GEN_STORE_FTN_FREG(fd, WT2); | |
4423 | opn = "div.s"; | |
4424 | binary = 1; | |
4425 | break; | |
4426 | case FOP(4, 16): | |
4427 | CHECK_FR(ctx, fs | fd); | |
4428 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4429 | gen_op_float_sqrt_s(); | |
4430 | GEN_STORE_FTN_FREG(fd, WT2); | |
4431 | opn = "sqrt.s"; | |
4432 | break; | |
4433 | case FOP(5, 16): | |
4434 | CHECK_FR(ctx, fs | fd); | |
4435 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4436 | gen_op_float_abs_s(); | |
4437 | GEN_STORE_FTN_FREG(fd, WT2); | |
4438 | opn = "abs.s"; | |
4439 | break; | |
4440 | case FOP(6, 16): | |
4441 | CHECK_FR(ctx, fs | fd); | |
4442 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4443 | gen_op_float_mov_s(); | |
4444 | GEN_STORE_FTN_FREG(fd, WT2); | |
4445 | opn = "mov.s"; | |
4446 | break; | |
4447 | case FOP(7, 16): | |
4448 | CHECK_FR(ctx, fs | fd); | |
4449 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4450 | gen_op_float_chs_s(); | |
4451 | GEN_STORE_FTN_FREG(fd, WT2); | |
4452 | opn = "neg.s"; | |
4453 | break; | |
4454 | case FOP(12, 16): | |
4455 | CHECK_FR(ctx, fs | fd); | |
4456 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4457 | gen_op_float_roundw_s(); | |
4458 | GEN_STORE_FTN_FREG(fd, WT2); | |
4459 | opn = "round.w.s"; | |
4460 | break; | |
4461 | case FOP(13, 16): | |
4462 | CHECK_FR(ctx, fs | fd); | |
4463 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4464 | gen_op_float_truncw_s(); | |
4465 | GEN_STORE_FTN_FREG(fd, WT2); | |
4466 | opn = "trunc.w.s"; | |
4467 | break; | |
dd016883 FB |
4468 | case FOP(32, 17): /* cvt.s.d */ |
4469 | CHECK_FR(ctx, fs | fd); | |
417f38f0 | 4470 | GEN_LOAD_FREG_FTN(DT0, fs); |
dd016883 FB |
4471 | gen_op_float_cvts_d(); |
4472 | GEN_STORE_FTN_FREG(fd, WT2); | |
4473 | opn = "cvt.s.d"; | |
4474 | break; | |
6ea83fed FB |
4475 | case FOP(32, 20): /* cvt.s.w */ |
4476 | CHECK_FR(ctx, fs | fd); | |
4477 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4478 | gen_op_float_cvts_w(); | |
4479 | GEN_STORE_FTN_FREG(fd, WT2); | |
4480 | opn = "cvt.s.w"; | |
4481 | break; | |
4482 | case FOP(36, 16): /* cvt.w.s */ | |
4483 | CHECK_FR(ctx, fs | fd); | |
4484 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4485 | gen_op_float_cvtw_s(); | |
4486 | GEN_STORE_FTN_FREG(fd, WT2); | |
4487 | opn = "cvt.w.s"; | |
4488 | break; | |
4489 | case FOP(36, 17): /* cvt.w.d */ | |
4490 | CHECK_FR(ctx, fs | fd); | |
417f38f0 | 4491 | GEN_LOAD_FREG_FTN(DT0, fs); |
6ea83fed FB |
4492 | gen_op_float_cvtw_d(); |
4493 | GEN_STORE_FTN_FREG(fd, WT2); | |
4494 | opn = "cvt.w.d"; | |
4495 | break; | |
4496 | case FOP(48, 16): | |
4497 | case FOP(49, 16): | |
4498 | case FOP(50, 16): | |
4499 | case FOP(51, 16): | |
4500 | case FOP(52, 16): | |
4501 | case FOP(53, 16): | |
4502 | case FOP(54, 16): | |
4503 | case FOP(55, 16): | |
4504 | case FOP(56, 16): | |
4505 | case FOP(57, 16): | |
4506 | case FOP(58, 16): | |
4507 | case FOP(59, 16): | |
4508 | case FOP(60, 16): | |
4509 | case FOP(61, 16): | |
4510 | case FOP(62, 16): | |
4511 | case FOP(63, 16): | |
4512 | CHECK_FR(ctx, fs | ft); | |
4513 | GEN_LOAD_FREG_FTN(WT0, fs); | |
4514 | GEN_LOAD_FREG_FTN(WT1, ft); | |
4515 | gen_cmp_s(func-48); | |
4516 | opn = condnames[func-48]; | |
4517 | break; | |
4518 | default: | |
4519 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
7a387fff | 4520 | fprintf(logfile, "Invalid FP arith function: %08x %03x %03x %03x\n", |
6ea83fed FB |
4521 | ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F, |
4522 | ((ctx->opcode >> 16) & 0x1F)); | |
4523 | } | |
7a387fff | 4524 | generate_exception_err (ctx, EXCP_RI, 1); |
6ea83fed FB |
4525 | return; |
4526 | } | |
4527 | if (binary) | |
4528 | MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]); | |
4529 | else | |
4530 | MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]); | |
4531 | } | |
6af0bf9c | 4532 | |
7a387fff TS |
4533 | static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
4534 | { | |
4535 | uint32_t ccbit; | |
4536 | ||
4537 | if (cc) | |
4538 | ccbit = 1 << (24 + cc); | |
4539 | else | |
4540 | ccbit = 1 << 23; | |
4541 | if (!tf) | |
4542 | gen_op_movf(ccbit, rd, rs); | |
4543 | else | |
4544 | gen_op_movt(ccbit, rd, rs); | |
4545 | } | |
4546 | ||
71fb7241 TS |
4547 | #endif /* MIPS_USES_FPU */ |
4548 | ||
7a387fff | 4549 | /* ISA extensions (ASEs) */ |
6af0bf9c FB |
4550 | /* MIPS16 extension to MIPS32 */ |
4551 | /* SmartMIPS extension to MIPS32 */ | |
4552 | ||
7a387fff | 4553 | #ifdef MIPS_HAS_MIPS64 |
6af0bf9c FB |
4554 | /* Coprocessor 3 (FPU) */ |
4555 | ||
4556 | /* MDMX extension to MIPS64 */ | |
4557 | /* MIPS-3D extension to MIPS64 */ | |
4558 | ||
4559 | #endif | |
4560 | ||
c53be334 FB |
4561 | static void gen_blikely(DisasContext *ctx) |
4562 | { | |
eeef26cd FB |
4563 | int l1; |
4564 | l1 = gen_new_label(); | |
4565 | gen_op_jnz_T2(l1); | |
4ad40f36 | 4566 | gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK); |
eeef26cd FB |
4567 | gen_goto_tb(ctx, 1, ctx->pc + 4); |
4568 | gen_set_label(l1); | |
c53be334 FB |
4569 | } |
4570 | ||
6af0bf9c FB |
4571 | static void decode_opc (DisasContext *ctx) |
4572 | { | |
4573 | int32_t offset; | |
4574 | int rs, rt, rd, sa; | |
7a387fff | 4575 | uint32_t op, op1, op2; |
6af0bf9c FB |
4576 | int16_t imm; |
4577 | ||
d796321b FB |
4578 | /* make sure instructions are on a word boundary */ |
4579 | if (ctx->pc & 0x3) { | |
4580 | generate_exception(ctx, EXCP_AdEL); | |
4581 | return; | |
4582 | } | |
4583 | ||
4ad40f36 | 4584 | if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) { |
6af0bf9c | 4585 | /* Handle blikely not taken case */ |
c570fd16 | 4586 | MIPS_DEBUG("blikely condition (" TLSZ ")", ctx->pc + 4); |
c53be334 | 4587 | gen_blikely(ctx); |
6af0bf9c | 4588 | } |
7a387fff TS |
4589 | op = MASK_OP_MAJOR(ctx->opcode); |
4590 | rs = (ctx->opcode >> 21) & 0x1f; | |
4591 | rt = (ctx->opcode >> 16) & 0x1f; | |
4592 | rd = (ctx->opcode >> 11) & 0x1f; | |
4593 | sa = (ctx->opcode >> 6) & 0x1f; | |
6af0bf9c FB |
4594 | imm = (int16_t)ctx->opcode; |
4595 | switch (op) { | |
7a387fff TS |
4596 | case OPC_SPECIAL: |
4597 | op1 = MASK_SPECIAL(ctx->opcode); | |
6af0bf9c | 4598 | switch (op1) { |
7a387fff TS |
4599 | case OPC_SLL: /* Arithmetic with immediate */ |
4600 | case OPC_SRL ... OPC_SRA: | |
4601 | gen_arith_imm(ctx, op1, rd, rt, sa); | |
4602 | break; | |
4603 | case OPC_SLLV: /* Arithmetic */ | |
4604 | case OPC_SRLV ... OPC_SRAV: | |
4605 | case OPC_MOVZ ... OPC_MOVN: | |
4606 | case OPC_ADD ... OPC_NOR: | |
4607 | case OPC_SLT ... OPC_SLTU: | |
4608 | gen_arith(ctx, op1, rd, rs, rt); | |
4609 | break; | |
4610 | case OPC_MULT ... OPC_DIVU: | |
4611 | gen_muldiv(ctx, op1, rs, rt); | |
4612 | break; | |
4613 | case OPC_JR ... OPC_JALR: | |
4614 | gen_compute_branch(ctx, op1, rs, rd, sa); | |
6af0bf9c | 4615 | return; |
7a387fff TS |
4616 | case OPC_TGE ... OPC_TEQ: /* Traps */ |
4617 | case OPC_TNE: | |
4618 | gen_trap(ctx, op1, rs, rt, -1); | |
6af0bf9c | 4619 | break; |
7a387fff TS |
4620 | case OPC_MFHI: /* Move from HI/LO */ |
4621 | case OPC_MFLO: | |
4622 | gen_HILO(ctx, op1, rd); | |
6af0bf9c | 4623 | break; |
7a387fff TS |
4624 | case OPC_MTHI: |
4625 | case OPC_MTLO: /* Move to HI/LO */ | |
4626 | gen_HILO(ctx, op1, rs); | |
6af0bf9c | 4627 | break; |
7a387fff TS |
4628 | case OPC_PMON: /* Pmon entry point */ |
4629 | gen_op_pmon(sa); | |
4630 | break; | |
4631 | case OPC_SYSCALL: | |
6af0bf9c | 4632 | generate_exception(ctx, EXCP_SYSCALL); |
7a387fff | 4633 | ctx->bstate = BS_EXCP; |
6af0bf9c | 4634 | break; |
7a387fff | 4635 | case OPC_BREAK: |
6af0bf9c FB |
4636 | generate_exception(ctx, EXCP_BREAK); |
4637 | break; | |
7a387fff TS |
4638 | case OPC_SPIM: /* SPIM ? */ |
4639 | /* Implemented as RI exception for now. */ | |
4640 | MIPS_INVAL("spim (unofficial)"); | |
4641 | generate_exception(ctx, EXCP_RI); | |
6af0bf9c | 4642 | break; |
7a387fff TS |
4643 | case OPC_SYNC: |
4644 | /* Treat as a noop. */ | |
6af0bf9c | 4645 | break; |
4ad40f36 | 4646 | |
71fb7241 | 4647 | #ifdef MIPS_USES_FPU |
7a387fff TS |
4648 | case OPC_MOVCI: |
4649 | gen_op_cp1_enabled(); | |
4650 | gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, | |
4651 | (ctx->opcode >> 16) & 1); | |
4ad40f36 | 4652 | break; |
71fb7241 | 4653 | #endif |
4ad40f36 | 4654 | |
7a387fff TS |
4655 | #ifdef MIPS_HAS_MIPS64 |
4656 | /* MIPS64 specific opcodes */ | |
4657 | case OPC_DSLL: | |
4658 | case OPC_DSRL ... OPC_DSRA: | |
4659 | case OPC_DSLL32: | |
4660 | case OPC_DSRL32 ... OPC_DSRA32: | |
4661 | gen_arith_imm(ctx, op1, rd, rt, sa); | |
4662 | break; | |
4663 | case OPC_DSLLV: | |
4664 | case OPC_DSRLV ... OPC_DSRAV: | |
4665 | case OPC_DADD ... OPC_DSUBU: | |
4666 | gen_arith(ctx, op1, rd, rs, rt); | |
4667 | break; | |
4668 | case OPC_DMULT ... OPC_DDIVU: | |
4669 | gen_muldiv(ctx, op1, rs, rt); | |
4670 | break; | |
6af0bf9c FB |
4671 | #endif |
4672 | default: /* Invalid */ | |
4673 | MIPS_INVAL("special"); | |
4674 | generate_exception(ctx, EXCP_RI); | |
4675 | break; | |
4676 | } | |
4677 | break; | |
7a387fff TS |
4678 | case OPC_SPECIAL2: |
4679 | op1 = MASK_SPECIAL2(ctx->opcode); | |
6af0bf9c | 4680 | switch (op1) { |
7a387fff TS |
4681 | case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
4682 | case OPC_MSUB ... OPC_MSUBU: | |
4683 | gen_muldiv(ctx, op1, rs, rt); | |
6af0bf9c | 4684 | break; |
7a387fff TS |
4685 | case OPC_MUL: |
4686 | gen_arith(ctx, op1, rd, rs, rt); | |
6af0bf9c | 4687 | break; |
7a387fff TS |
4688 | case OPC_CLZ ... OPC_CLO: |
4689 | gen_cl(ctx, op1, rd, rs); | |
6af0bf9c | 4690 | break; |
7a387fff | 4691 | case OPC_SDBBP: |
6af0bf9c FB |
4692 | /* XXX: not clear which exception should be raised |
4693 | * when in debug mode... | |
4694 | */ | |
4695 | if (!(ctx->hflags & MIPS_HFLAG_DM)) { | |
4696 | generate_exception(ctx, EXCP_DBp); | |
4697 | } else { | |
4698 | generate_exception(ctx, EXCP_DBp); | |
4699 | } | |
4700 | /* Treat as a noop */ | |
4701 | break; | |
7a387fff TS |
4702 | #ifdef MIPS_HAS_MIPS64 |
4703 | case OPC_DCLZ ... OPC_DCLO: | |
4704 | gen_cl(ctx, op1, rd, rs); | |
4705 | break; | |
4706 | #endif | |
6af0bf9c FB |
4707 | default: /* Invalid */ |
4708 | MIPS_INVAL("special2"); | |
4709 | generate_exception(ctx, EXCP_RI); | |
4710 | break; | |
4711 | } | |
4712 | break; | |
7a387fff TS |
4713 | case OPC_SPECIAL3: |
4714 | op1 = MASK_SPECIAL3(ctx->opcode); | |
6af0bf9c | 4715 | switch (op1) { |
7a387fff TS |
4716 | case OPC_EXT: |
4717 | case OPC_INS: | |
4718 | gen_bitops(ctx, op1, rt, rs, sa, rd); | |
4719 | break; | |
4720 | case OPC_BSHFL: | |
4721 | op2 = MASK_BSHFL(ctx->opcode); | |
4722 | switch (op2) { | |
4723 | case OPC_WSBH: | |
4724 | GEN_LOAD_REG_TN(T1, rt); | |
4725 | gen_op_wsbh(); | |
4726 | break; | |
4727 | case OPC_SEB: | |
4728 | GEN_LOAD_REG_TN(T1, rt); | |
4729 | gen_op_seb(); | |
4730 | break; | |
4731 | case OPC_SEH: | |
4732 | GEN_LOAD_REG_TN(T1, rt); | |
4733 | gen_op_seh(); | |
4734 | break; | |
4735 | default: /* Invalid */ | |
4736 | MIPS_INVAL("bshfl"); | |
4737 | generate_exception(ctx, EXCP_RI); | |
4738 | break; | |
4739 | } | |
4740 | GEN_STORE_TN_REG(rd, T0); | |
4741 | break; | |
4742 | case OPC_RDHWR: | |
4743 | switch (rd) { | |
4744 | case 0: | |
4745 | gen_op_rdhwr_cpunum(); | |
4746 | break; | |
4747 | case 1: | |
4748 | gen_op_rdhwr_synci_step(); | |
4749 | break; | |
4750 | case 2: | |
4751 | gen_op_rdhwr_cc(); | |
4752 | break; | |
4753 | case 3: | |
4754 | gen_op_rdhwr_ccres(); | |
4755 | break; | |
4756 | default: /* Invalid */ | |
4757 | MIPS_INVAL("rdhwr"); | |
4758 | generate_exception(ctx, EXCP_RI); | |
4759 | break; | |
4760 | } | |
4761 | GEN_STORE_TN_REG(rt, T0); | |
4762 | break; | |
4763 | #ifdef MIPS_HAS_MIPS64 | |
4764 | case OPC_DEXTM ... OPC_DEXT: | |
4765 | case OPC_DINSM ... OPC_DINS: | |
4766 | gen_bitops(ctx, op1, rt, rs, sa, rd); | |
4767 | break; | |
4768 | case OPC_DBSHFL: | |
4769 | op2 = MASK_DBSHFL(ctx->opcode); | |
4770 | switch (op2) { | |
4771 | case OPC_DSBH: | |
4772 | GEN_LOAD_REG_TN(T1, rt); | |
4773 | gen_op_dsbh(); | |
4774 | break; | |
4775 | case OPC_DSHD: | |
4776 | GEN_LOAD_REG_TN(T1, rt); | |
4777 | gen_op_dshd(); | |
4778 | break; | |
4779 | default: /* Invalid */ | |
4780 | MIPS_INVAL("dbshfl"); | |
4781 | generate_exception(ctx, EXCP_RI); | |
4782 | break; | |
4783 | } | |
4784 | GEN_STORE_TN_REG(rd, T0); | |
4785 | #endif | |
4786 | default: /* Invalid */ | |
4787 | MIPS_INVAL("special3"); | |
4788 | generate_exception(ctx, EXCP_RI); | |
4789 | break; | |
4790 | } | |
4791 | break; | |
4792 | case OPC_REGIMM: | |
4793 | op1 = MASK_REGIMM(ctx->opcode); | |
4794 | switch (op1) { | |
4795 | case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ | |
4796 | case OPC_BLTZAL ... OPC_BGEZALL: | |
4797 | gen_compute_branch(ctx, op1, rs, -1, imm << 2); | |
6af0bf9c | 4798 | return; |
7a387fff TS |
4799 | case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
4800 | case OPC_TNEI: | |
4801 | gen_trap(ctx, op1, rs, -1, imm); | |
4802 | break; | |
4803 | case OPC_SYNCI: | |
4804 | /* treat as noop */ | |
6af0bf9c FB |
4805 | break; |
4806 | default: /* Invalid */ | |
4807 | MIPS_INVAL("REGIMM"); | |
4808 | generate_exception(ctx, EXCP_RI); | |
4809 | break; | |
4810 | } | |
4811 | break; | |
7a387fff TS |
4812 | case OPC_CP0: |
4813 | op1 = MASK_CP0(ctx->opcode); | |
6af0bf9c | 4814 | switch (op1) { |
7a387fff TS |
4815 | case OPC_MFC0: |
4816 | case OPC_MTC0: | |
4817 | #ifdef MIPS_HAS_MIPS64 | |
4818 | case OPC_DMFC0: | |
4819 | case OPC_DMTC0: | |
4820 | #endif | |
4821 | gen_cp0(ctx, op1, rt, rd); | |
4822 | break; | |
4823 | case OPC_C0_FIRST ... OPC_C0_LAST: | |
4824 | gen_cp0(ctx, MASK_C0(ctx->opcode), rt, rd); | |
4825 | break; | |
4826 | case OPC_MFMC0: | |
4827 | op2 = MASK_MFMC0(ctx->opcode); | |
4828 | switch (op2) { | |
4829 | case OPC_DI: | |
4830 | gen_op_di(); | |
4831 | /* Stop translation as we may have switched the execution mode */ | |
4832 | ctx->bstate = BS_STOP; | |
4833 | break; | |
4834 | case OPC_EI: | |
4835 | gen_op_ei(); | |
4836 | /* Stop translation as we may have switched the execution mode */ | |
4837 | ctx->bstate = BS_STOP; | |
4838 | break; | |
4839 | default: /* Invalid */ | |
4840 | MIPS_INVAL("MFMC0"); | |
4841 | generate_exception(ctx, EXCP_RI); | |
4842 | break; | |
4843 | } | |
4844 | GEN_STORE_TN_REG(rt, T0); | |
6af0bf9c | 4845 | break; |
7a387fff TS |
4846 | /* Shadow registers (not implemented). */ |
4847 | case OPC_RDPGPR: | |
4848 | case OPC_WRPGPR: | |
6af0bf9c | 4849 | default: |
7a387fff | 4850 | generate_exception(ctx, EXCP_RI); |
6af0bf9c FB |
4851 | break; |
4852 | } | |
4853 | break; | |
7a387fff TS |
4854 | case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */ |
4855 | gen_arith_imm(ctx, op, rt, rs, imm); | |
4856 | break; | |
4857 | case OPC_J ... OPC_JAL: /* Jump */ | |
4858 | offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; | |
4859 | gen_compute_branch(ctx, op, rs, rt, offset); | |
4860 | return; | |
4861 | case OPC_BEQ ... OPC_BGTZ: /* Branch */ | |
4862 | case OPC_BEQL ... OPC_BGTZL: | |
4863 | gen_compute_branch(ctx, op, rs, rt, imm << 2); | |
4864 | return; | |
4865 | case OPC_LB ... OPC_LWR: /* Load and stores */ | |
4866 | case OPC_SB ... OPC_SW: | |
4867 | case OPC_SWR: | |
4868 | case OPC_LL: | |
4869 | case OPC_SC: | |
4870 | gen_ldst(ctx, op, rt, rs, imm); | |
4871 | break; | |
4872 | case OPC_CACHE: | |
4873 | /* Treat as a noop */ | |
4874 | break; | |
4875 | case OPC_PREF: | |
6af0bf9c FB |
4876 | /* Treat as a noop */ |
4877 | break; | |
4ad40f36 FB |
4878 | |
4879 | /* Floating point. */ | |
7a387fff TS |
4880 | case OPC_LWC1: |
4881 | case OPC_LDC1: | |
4882 | case OPC_SWC1: | |
4883 | case OPC_SDC1: | |
6ea83fed | 4884 | #if defined(MIPS_USES_FPU) |
417f38f0 | 4885 | save_cpu_state(ctx, 1); |
6ea83fed FB |
4886 | gen_op_cp1_enabled(); |
4887 | gen_flt_ldst(ctx, op, rt, rs, imm); | |
4888 | #else | |
4889 | generate_exception_err(ctx, EXCP_CpU, 1); | |
4890 | #endif | |
4891 | break; | |
4892 | ||
7a387fff | 4893 | case OPC_CP1: |
6af0bf9c | 4894 | #if defined(MIPS_USES_FPU) |
417f38f0 | 4895 | save_cpu_state(ctx, 1); |
6ea83fed | 4896 | gen_op_cp1_enabled(); |
7a387fff | 4897 | op1 = MASK_CP1(ctx->opcode); |
6ea83fed | 4898 | switch (op1) { |
7a387fff TS |
4899 | case OPC_MFC1: |
4900 | case OPC_CFC1: | |
4901 | case OPC_MTC1: | |
4902 | case OPC_CTC1: | |
9c2149c8 TS |
4903 | #ifdef MIPS_HAS_MIPS64 |
4904 | case OPC_DMFC1: | |
4905 | case OPC_DMTC1: | |
4906 | #endif | |
7a387fff TS |
4907 | gen_cp1(ctx, op1, rt, rd); |
4908 | break; | |
4909 | case OPC_BC1: | |
4910 | gen_compute_branch1(ctx, MASK_CP1_BCOND(ctx->opcode), imm << 2); | |
6ea83fed | 4911 | return; |
7a387fff TS |
4912 | case OPC_S_FMT: |
4913 | case OPC_D_FMT: | |
4914 | case OPC_W_FMT: | |
4915 | case OPC_L_FMT: | |
4916 | gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa); | |
6ea83fed FB |
4917 | break; |
4918 | default: | |
4919 | generate_exception_err(ctx, EXCP_RI, 1); | |
4920 | break; | |
4921 | } | |
4ad40f36 FB |
4922 | #else |
4923 | generate_exception_err(ctx, EXCP_CpU, 1); | |
6af0bf9c | 4924 | #endif |
4ad40f36 FB |
4925 | break; |
4926 | ||
4927 | /* COP2. */ | |
7a387fff TS |
4928 | case OPC_LWC2: |
4929 | case OPC_LDC2: | |
4930 | case OPC_SWC2: | |
4931 | case OPC_SDC2: | |
4932 | case OPC_CP2: | |
4933 | /* COP2: Not implemented. */ | |
4ad40f36 FB |
4934 | generate_exception_err(ctx, EXCP_CpU, 2); |
4935 | break; | |
4936 | ||
71fb7241 | 4937 | #ifdef MIPS_USES_FPU |
7a387fff TS |
4938 | case OPC_CP3: |
4939 | gen_op_cp1_enabled(); | |
4940 | op1 = MASK_CP3(ctx->opcode); | |
4941 | switch (op1) { | |
6af0bf9c | 4942 | /* Not implemented */ |
7a387fff TS |
4943 | default: |
4944 | generate_exception_err(ctx, EXCP_RI, 1); | |
4945 | break; | |
4946 | } | |
4ad40f36 | 4947 | break; |
71fb7241 | 4948 | #endif |
4ad40f36 | 4949 | |
7a387fff TS |
4950 | #ifdef MIPS_HAS_MIPS64 |
4951 | /* MIPS64 opcodes */ | |
4952 | case OPC_LWU: | |
4953 | case OPC_LDL ... OPC_LDR: | |
4954 | case OPC_SDL ... OPC_SDR: | |
4955 | case OPC_LLD: | |
4956 | case OPC_LD: | |
4957 | case OPC_SCD: | |
4958 | case OPC_SD: | |
4959 | gen_ldst(ctx, op, rt, rs, imm); | |
4960 | break; | |
4961 | case OPC_DADDI ... OPC_DADDIU: | |
4962 | gen_arith_imm(ctx, op, rt, rs, imm); | |
4963 | break; | |
6af0bf9c | 4964 | #endif |
7a387fff TS |
4965 | #ifdef MIPS_HAS_MIPS16 |
4966 | case OPC_JALX: | |
4967 | /* MIPS16: Not implemented. */ | |
4968 | #endif | |
4969 | #ifdef MIPS_HAS_MDMX | |
4970 | case OPC_MDMX: | |
4971 | /* MDMX: Not implemented. */ | |
6af0bf9c | 4972 | #endif |
6af0bf9c FB |
4973 | default: /* Invalid */ |
4974 | MIPS_INVAL(""); | |
4975 | generate_exception(ctx, EXCP_RI); | |
4976 | break; | |
4977 | } | |
4ad40f36 | 4978 | if (ctx->hflags & MIPS_HFLAG_BMASK) { |
6af0bf9c FB |
4979 | int hflags = ctx->hflags; |
4980 | /* Branches completion */ | |
4ad40f36 | 4981 | ctx->hflags &= ~MIPS_HFLAG_BMASK; |
6af0bf9c FB |
4982 | ctx->bstate = BS_BRANCH; |
4983 | save_cpu_state(ctx, 0); | |
4984 | switch (hflags & MIPS_HFLAG_BMASK) { | |
4985 | case MIPS_HFLAG_B: | |
4986 | /* unconditional branch */ | |
4987 | MIPS_DEBUG("unconditional branch"); | |
6e256c93 | 4988 | gen_goto_tb(ctx, 0, ctx->btarget); |
6af0bf9c FB |
4989 | break; |
4990 | case MIPS_HFLAG_BL: | |
4991 | /* blikely taken case */ | |
4992 | MIPS_DEBUG("blikely branch taken"); | |
6e256c93 | 4993 | gen_goto_tb(ctx, 0, ctx->btarget); |
6af0bf9c FB |
4994 | break; |
4995 | case MIPS_HFLAG_BC: | |
4996 | /* Conditional branch */ | |
4997 | MIPS_DEBUG("conditional branch"); | |
c53be334 FB |
4998 | { |
4999 | int l1; | |
5000 | l1 = gen_new_label(); | |
5001 | gen_op_jnz_T2(l1); | |
6e256c93 | 5002 | gen_goto_tb(ctx, 1, ctx->pc + 4); |
eeef26cd FB |
5003 | gen_set_label(l1); |
5004 | gen_goto_tb(ctx, 0, ctx->btarget); | |
c53be334 | 5005 | } |
6af0bf9c FB |
5006 | break; |
5007 | case MIPS_HFLAG_BR: | |
5008 | /* unconditional branch to register */ | |
5009 | MIPS_DEBUG("branch to register"); | |
5010 | gen_op_breg(); | |
5011 | break; | |
5012 | default: | |
5013 | MIPS_DEBUG("unknown branch"); | |
5014 | break; | |
5015 | } | |
5016 | } | |
5017 | } | |
5018 | ||
5019 | int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, | |
5020 | int search_pc) | |
5021 | { | |
5022 | DisasContext ctx, *ctxp = &ctx; | |
5023 | target_ulong pc_start; | |
5024 | uint16_t *gen_opc_end; | |
5025 | int j, lj = -1; | |
5026 | ||
4ad40f36 | 5027 | if (search_pc && loglevel) |
6ea83fed | 5028 | fprintf (logfile, "search pc %d\n", search_pc); |
4ad40f36 | 5029 | |
6af0bf9c FB |
5030 | pc_start = tb->pc; |
5031 | gen_opc_ptr = gen_opc_buf; | |
5032 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; | |
5033 | gen_opparam_ptr = gen_opparam_buf; | |
c53be334 | 5034 | nb_gen_labels = 0; |
6af0bf9c | 5035 | ctx.pc = pc_start; |
4ad40f36 | 5036 | ctx.saved_pc = -1; |
6af0bf9c FB |
5037 | ctx.tb = tb; |
5038 | ctx.bstate = BS_NONE; | |
4ad40f36 FB |
5039 | /* Restore delay slot state from the tb context. */ |
5040 | ctx.hflags = tb->flags; | |
6af0bf9c FB |
5041 | ctx.saved_hflags = ctx.hflags; |
5042 | if (ctx.hflags & MIPS_HFLAG_BR) { | |
5043 | gen_op_restore_breg_target(); | |
5044 | } else if (ctx.hflags & MIPS_HFLAG_B) { | |
5045 | ctx.btarget = env->btarget; | |
5046 | } else if (ctx.hflags & MIPS_HFLAG_BMASK) { | |
5047 | /* If we are in the delay slot of a conditional branch, | |
5048 | * restore the branch condition from env->bcond to T2 | |
5049 | */ | |
5050 | ctx.btarget = env->btarget; | |
5051 | gen_op_restore_bcond(); | |
5052 | } | |
5053 | #if defined(CONFIG_USER_ONLY) | |
5054 | ctx.mem_idx = 0; | |
5055 | #else | |
3d9fb9fe | 5056 | ctx.mem_idx = !((ctx.hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM); |
6af0bf9c FB |
5057 | #endif |
5058 | ctx.CP0_Status = env->CP0_Status; | |
5059 | #ifdef DEBUG_DISAS | |
5060 | if (loglevel & CPU_LOG_TB_CPU) { | |
5061 | fprintf(logfile, "------------------------------------------------\n"); | |
4ad40f36 | 5062 | /* FIXME: This may print out stale hflags from env... */ |
6af0bf9c FB |
5063 | cpu_dump_state(env, logfile, fprintf, 0); |
5064 | } | |
5065 | #endif | |
5066 | #if defined MIPS_DEBUG_DISAS | |
5067 | if (loglevel & CPU_LOG_TB_IN_ASM) | |
4ad40f36 FB |
5068 | fprintf(logfile, "\ntb %p super %d cond %04x\n", |
5069 | tb, ctx.mem_idx, ctx.hflags); | |
6af0bf9c FB |
5070 | #endif |
5071 | while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) { | |
4ad40f36 FB |
5072 | if (env->nb_breakpoints > 0) { |
5073 | for(j = 0; j < env->nb_breakpoints; j++) { | |
5074 | if (env->breakpoints[j] == ctx.pc) { | |
5075 | save_cpu_state(ctxp, 1); | |
5076 | ctx.bstate = BS_BRANCH; | |
5077 | gen_op_debug(); | |
5078 | goto done_generating; | |
5079 | } | |
5080 | } | |
5081 | } | |
5082 | ||
6af0bf9c FB |
5083 | if (search_pc) { |
5084 | j = gen_opc_ptr - gen_opc_buf; | |
6af0bf9c FB |
5085 | if (lj < j) { |
5086 | lj++; | |
5087 | while (lj < j) | |
5088 | gen_opc_instr_start[lj++] = 0; | |
6af0bf9c | 5089 | } |
4ad40f36 FB |
5090 | gen_opc_pc[lj] = ctx.pc; |
5091 | gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; | |
5092 | gen_opc_instr_start[lj] = 1; | |
6af0bf9c FB |
5093 | } |
5094 | ctx.opcode = ldl_code(ctx.pc); | |
5095 | decode_opc(&ctx); | |
5096 | ctx.pc += 4; | |
4ad40f36 FB |
5097 | |
5098 | if (env->singlestep_enabled) | |
5099 | break; | |
5100 | ||
6af0bf9c FB |
5101 | if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
5102 | break; | |
4ad40f36 | 5103 | |
6af0bf9c FB |
5104 | #if defined (MIPS_SINGLE_STEP) |
5105 | break; | |
5106 | #endif | |
5107 | } | |
4ad40f36 FB |
5108 | if (env->singlestep_enabled) { |
5109 | save_cpu_state(ctxp, ctx.bstate == BS_NONE); | |
5110 | gen_op_debug(); | |
5111 | goto done_generating; | |
5112 | } | |
5113 | else if (ctx.bstate != BS_BRANCH && ctx.bstate != BS_EXCP) { | |
6af0bf9c | 5114 | save_cpu_state(ctxp, 0); |
6e256c93 | 5115 | gen_goto_tb(&ctx, 0, ctx.pc); |
6af0bf9c FB |
5116 | } |
5117 | gen_op_reset_T0(); | |
5118 | /* Generate the return instruction */ | |
5119 | gen_op_exit_tb(); | |
4ad40f36 | 5120 | done_generating: |
6af0bf9c FB |
5121 | *gen_opc_ptr = INDEX_op_end; |
5122 | if (search_pc) { | |
5123 | j = gen_opc_ptr - gen_opc_buf; | |
5124 | lj++; | |
5125 | while (lj <= j) | |
5126 | gen_opc_instr_start[lj++] = 0; | |
5127 | tb->size = 0; | |
5128 | } else { | |
5129 | tb->size = ctx.pc - pc_start; | |
5130 | } | |
5131 | #ifdef DEBUG_DISAS | |
5132 | #if defined MIPS_DEBUG_DISAS | |
5133 | if (loglevel & CPU_LOG_TB_IN_ASM) | |
5134 | fprintf(logfile, "\n"); | |
5135 | #endif | |
5136 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
5137 | fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); | |
6ea83fed | 5138 | target_disas(logfile, pc_start, ctx.pc - pc_start, 0); |
6af0bf9c FB |
5139 | fprintf(logfile, "\n"); |
5140 | } | |
5141 | if (loglevel & CPU_LOG_TB_OP) { | |
5142 | fprintf(logfile, "OP:\n"); | |
5143 | dump_ops(gen_opc_buf, gen_opparam_buf); | |
5144 | fprintf(logfile, "\n"); | |
5145 | } | |
5146 | if (loglevel & CPU_LOG_TB_CPU) { | |
5147 | fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags); | |
5148 | } | |
5149 | #endif | |
5150 | ||
5151 | return 0; | |
5152 | } | |
5153 | ||
5154 | int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) | |
5155 | { | |
5156 | return gen_intermediate_code_internal(env, tb, 0); | |
5157 | } | |
5158 | ||
5159 | int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) | |
5160 | { | |
5161 | return gen_intermediate_code_internal(env, tb, 1); | |
5162 | } | |
5163 | ||
71fb7241 TS |
5164 | #ifdef MIPS_USES_FPU |
5165 | ||
6ea83fed FB |
5166 | void fpu_dump_state(CPUState *env, FILE *f, |
5167 | int (*fpu_fprintf)(FILE *f, const char *fmt, ...), | |
5168 | int flags) | |
5169 | { | |
5170 | int i; | |
5171 | ||
5172 | # define printfpr(fp) do { \ | |
5173 | fpu_fprintf(f, "w:%08x d:%08lx%08lx fd:%g fs:%g\n", \ | |
5174 | (fp)->w[FP_ENDIAN_IDX], (fp)->w[0], (fp)->w[1], (fp)->fd, (fp)->fs[FP_ENDIAN_IDX]); \ | |
5175 | } while(0) | |
5176 | ||
5177 | fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d\n", | |
5178 | env->fcr0, env->fcr31, | |
7a387fff | 5179 | (env->CP0_Status & (1 << CP0St_FR)) != 0); |
6ea83fed FB |
5180 | fpu_fprintf(f, "FT0: "); printfpr(&env->ft0); |
5181 | fpu_fprintf(f, "FT1: "); printfpr(&env->ft1); | |
5182 | fpu_fprintf(f, "FT2: "); printfpr(&env->ft2); | |
7a387fff TS |
5183 | for(i = 0; i < 32; i += 2) { |
5184 | fpu_fprintf(f, "%s: ", fregnames[i]); | |
6ea83fed FB |
5185 | printfpr(FPR(env, i)); |
5186 | } | |
5187 | ||
5188 | #undef printfpr | |
5189 | } | |
5190 | ||
7a387fff | 5191 | void dump_fpu (CPUState *env) |
6ea83fed FB |
5192 | { |
5193 | if (loglevel) { | |
c570fd16 | 5194 | fprintf(logfile, "pc=0x" TLSZ " HI=0x" TLSZ " LO=0x" TLSZ " ds %04x " TLSZ " %d\n", |
6ea83fed FB |
5195 | env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond); |
5196 | fpu_dump_state(env, logfile, fprintf, 0); | |
5197 | } | |
5198 | } | |
6ea83fed | 5199 | |
71fb7241 TS |
5200 | #endif /* MIPS_USES_FPU */ |
5201 | ||
c570fd16 TS |
5202 | #if defined(MIPS_HAS_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS) |
5203 | /* Debug help: The architecture requires 32bit code to maintain proper | |
5204 | sign-extened values on 64bit machines. */ | |
5205 | ||
5206 | #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) | |
5207 | ||
5208 | void cpu_mips_check_sign_extensions (CPUState *env, FILE *f, | |
5209 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), | |
5210 | int flags) | |
5211 | { | |
5212 | int i; | |
5213 | ||
5214 | if (!SIGN_EXT_P(env->PC)) | |
5215 | cpu_fprintf(f, "BROKEN: pc=0x" TLSZ "\n", env->PC); | |
5216 | if (!SIGN_EXT_P(env->HI)) | |
5217 | cpu_fprintf(f, "BROKEN: HI=0x" TLSZ "\n", env->HI); | |
5218 | if (!SIGN_EXT_P(env->LO)) | |
5219 | cpu_fprintf(f, "BROKEN: LO=0x" TLSZ "\n", env->LO); | |
5220 | if (!SIGN_EXT_P(env->btarget)) | |
5221 | cpu_fprintf(f, "BROKEN: btarget=0x" TLSZ "\n", env->btarget); | |
5222 | ||
5223 | for (i = 0; i < 32; i++) { | |
5224 | if (!SIGN_EXT_P(env->gpr[i])) | |
5225 | cpu_fprintf(f, "BROKEN: %s=0x" TLSZ "\n", regnames[i], env->gpr[i]); | |
5226 | } | |
5227 | ||
5228 | if (!SIGN_EXT_P(env->CP0_EPC)) | |
5229 | cpu_fprintf(f, "BROKEN: EPC=0x" TLSZ "\n", env->CP0_EPC); | |
5230 | if (!SIGN_EXT_P(env->CP0_LLAddr)) | |
5231 | cpu_fprintf(f, "BROKEN: LLAddr=0x" TLSZ "\n", env->CP0_LLAddr); | |
5232 | } | |
5233 | #endif | |
5234 | ||
6af0bf9c FB |
5235 | void cpu_dump_state (CPUState *env, FILE *f, |
5236 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), | |
5237 | int flags) | |
5238 | { | |
568b600d | 5239 | uint32_t c0_status; |
6af0bf9c FB |
5240 | int i; |
5241 | ||
c570fd16 | 5242 | cpu_fprintf(f, "pc=0x" TLSZ " HI=0x" TLSZ " LO=0x" TLSZ " ds %04x " TLSZ " %d\n", |
6af0bf9c FB |
5243 | env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond); |
5244 | for (i = 0; i < 32; i++) { | |
5245 | if ((i & 3) == 0) | |
5246 | cpu_fprintf(f, "GPR%02d:", i); | |
c570fd16 | 5247 | cpu_fprintf(f, " %s " TLSZ, regnames[i], env->gpr[i]); |
6af0bf9c FB |
5248 | if ((i & 3) == 3) |
5249 | cpu_fprintf(f, "\n"); | |
5250 | } | |
568b600d FB |
5251 | |
5252 | c0_status = env->CP0_Status; | |
5253 | if (env->hflags & MIPS_HFLAG_UM) | |
5254 | c0_status |= (1 << CP0St_UM); | |
5255 | if (env->hflags & MIPS_HFLAG_ERL) | |
5256 | c0_status |= (1 << CP0St_ERL); | |
5257 | if (env->hflags & MIPS_HFLAG_EXL) | |
5258 | c0_status |= (1 << CP0St_EXL); | |
5259 | ||
c570fd16 | 5260 | cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TLSZ "\n", |
568b600d | 5261 | c0_status, env->CP0_Cause, env->CP0_EPC); |
c570fd16 | 5262 | cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TLSZ "\n", |
6af0bf9c | 5263 | env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
71fb7241 | 5264 | #ifdef MIPS_USES_FPU |
7a387fff TS |
5265 | if (c0_status & (1 << CP0St_CU1)) |
5266 | fpu_dump_state(env, f, cpu_fprintf, flags); | |
71fb7241 | 5267 | #endif |
c570fd16 TS |
5268 | #if defined(MIPS_HAS_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS) |
5269 | cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); | |
5270 | #endif | |
6af0bf9c FB |
5271 | } |
5272 | ||
5273 | CPUMIPSState *cpu_mips_init (void) | |
5274 | { | |
5275 | CPUMIPSState *env; | |
5276 | ||
6af0bf9c FB |
5277 | env = qemu_mallocz(sizeof(CPUMIPSState)); |
5278 | if (!env) | |
5279 | return NULL; | |
173d6cfe | 5280 | cpu_exec_init(env); |
6ae81775 TS |
5281 | cpu_reset(env); |
5282 | return env; | |
5283 | } | |
5284 | ||
5285 | void cpu_reset (CPUMIPSState *env) | |
5286 | { | |
5287 | memset(env, 0, offsetof(CPUMIPSState, breakpoints)); | |
5288 | ||
6af0bf9c | 5289 | tlb_flush(env, 1); |
6ae81775 | 5290 | |
6af0bf9c | 5291 | /* Minimal init */ |
ca7c2b1b | 5292 | #if !defined(CONFIG_USER_ONLY) |
aa328add TS |
5293 | if (env->hflags & MIPS_HFLAG_BMASK) { |
5294 | /* If the exception was raised from a delay slot, | |
5295 | * come back to the jump. */ | |
5296 | env->CP0_ErrorEPC = env->PC - 4; | |
5297 | env->hflags &= ~MIPS_HFLAG_BMASK; | |
5298 | } else { | |
5299 | env->CP0_ErrorEPC = env->PC; | |
5300 | } | |
5dc4b744 | 5301 | env->PC = (int32_t)0xBFC00000; |
6af0bf9c | 5302 | #if defined (MIPS_USES_R4K_TLB) |
9c2149c8 | 5303 | env->CP0_Random = MIPS_TLB_NB - 1; |
814b9a47 | 5304 | env->tlb_in_use = MIPS_TLB_NB; |
6af0bf9c FB |
5305 | #endif |
5306 | env->CP0_Wired = 0; | |
7a387fff | 5307 | /* SMP not implemented */ |
b29a0341 | 5308 | env->CP0_EBase = 0x80000000; |
6af0bf9c | 5309 | env->CP0_Config0 = MIPS_CONFIG0; |
7a387fff TS |
5310 | env->CP0_Config1 = MIPS_CONFIG1; |
5311 | env->CP0_Config2 = MIPS_CONFIG2; | |
5312 | env->CP0_Config3 = MIPS_CONFIG3; | |
aa328add | 5313 | env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
6af0bf9c FB |
5314 | env->CP0_WatchLo = 0; |
5315 | env->hflags = MIPS_HFLAG_ERL; | |
5316 | /* Count register increments in debug mode, EJTAG version 1 */ | |
5317 | env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); | |
5318 | env->CP0_PRid = MIPS_CPU; | |
ca7c2b1b | 5319 | #endif |
6af0bf9c | 5320 | env->exception_index = EXCP_NONE; |
eeef26cd FB |
5321 | #if defined(CONFIG_USER_ONLY) |
5322 | env->hflags |= MIPS_HFLAG_UM; | |
ca7c2b1b | 5323 | env->user_mode_only = 1; |
6ea83fed FB |
5324 | #endif |
5325 | #ifdef MIPS_USES_FPU | |
5326 | env->fcr0 = MIPS_FCR0; | |
eeef26cd | 5327 | #endif |
7a387fff TS |
5328 | /* XXX some guesswork here, values are CPU specific */ |
5329 | env->SYNCI_Step = 16; | |
5330 | env->CCRes = 2; | |
6af0bf9c | 5331 | } |