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8289b279 BS |
1 | /* |
2 | * Tiny Code Generator for QEMU | |
3 | * | |
4 | * Copyright (c) 2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
3cf246f0 RH |
25 | #include "tcg-be-null.h" |
26 | ||
8d8fdbae | 27 | #ifdef CONFIG_DEBUG_TCG |
8289b279 BS |
28 | static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { |
29 | "%g0", | |
30 | "%g1", | |
31 | "%g2", | |
32 | "%g3", | |
33 | "%g4", | |
34 | "%g5", | |
35 | "%g6", | |
36 | "%g7", | |
37 | "%o0", | |
38 | "%o1", | |
39 | "%o2", | |
40 | "%o3", | |
41 | "%o4", | |
42 | "%o5", | |
43 | "%o6", | |
44 | "%o7", | |
45 | "%l0", | |
46 | "%l1", | |
47 | "%l2", | |
48 | "%l3", | |
49 | "%l4", | |
50 | "%l5", | |
51 | "%l6", | |
52 | "%l7", | |
53 | "%i0", | |
54 | "%i1", | |
55 | "%i2", | |
56 | "%i3", | |
57 | "%i4", | |
58 | "%i5", | |
59 | "%i6", | |
60 | "%i7", | |
61 | }; | |
d4a9eb1f | 62 | #endif |
8289b279 | 63 | |
9f44adc5 RH |
64 | #ifdef __arch64__ |
65 | # define SPARC64 1 | |
66 | #else | |
67 | # define SPARC64 0 | |
68 | #endif | |
69 | ||
34b1a49c RH |
70 | /* Note that sparcv8plus can only hold 64 bit quantities in %g and %o |
71 | registers. These are saved manually by the kernel in full 64-bit | |
72 | slots. The %i and %l registers are saved by the register window | |
73 | mechanism, which only allocates space for 32 bits. Given that this | |
74 | window spill/fill can happen on any signal, we must consider the | |
75 | high bits of the %i and %l registers garbage at all times. */ | |
76 | #if SPARC64 | |
77 | # define ALL_64 0xffffffffu | |
78 | #else | |
79 | # define ALL_64 0xffffu | |
80 | #endif | |
81 | ||
375816f8 RH |
82 | /* Define some temporary registers. T2 is used for constant generation. */ |
83 | #define TCG_REG_T1 TCG_REG_G1 | |
84 | #define TCG_REG_T2 TCG_REG_O7 | |
85 | ||
4cbea598 | 86 | #ifndef CONFIG_SOFTMMU |
375816f8 | 87 | # define TCG_GUEST_BASE_REG TCG_REG_I5 |
c6f7e4fb | 88 | #endif |
e141ab52 | 89 | |
0954d0d9 | 90 | static const int tcg_target_reg_alloc_order[] = { |
8289b279 BS |
91 | TCG_REG_L0, |
92 | TCG_REG_L1, | |
93 | TCG_REG_L2, | |
94 | TCG_REG_L3, | |
95 | TCG_REG_L4, | |
96 | TCG_REG_L5, | |
97 | TCG_REG_L6, | |
98 | TCG_REG_L7, | |
26adfb75 | 99 | |
8289b279 BS |
100 | TCG_REG_I0, |
101 | TCG_REG_I1, | |
102 | TCG_REG_I2, | |
103 | TCG_REG_I3, | |
104 | TCG_REG_I4, | |
375816f8 | 105 | TCG_REG_I5, |
26adfb75 RH |
106 | |
107 | TCG_REG_G2, | |
108 | TCG_REG_G3, | |
109 | TCG_REG_G4, | |
110 | TCG_REG_G5, | |
111 | ||
112 | TCG_REG_O0, | |
113 | TCG_REG_O1, | |
114 | TCG_REG_O2, | |
115 | TCG_REG_O3, | |
116 | TCG_REG_O4, | |
117 | TCG_REG_O5, | |
8289b279 BS |
118 | }; |
119 | ||
120 | static const int tcg_target_call_iarg_regs[6] = { | |
121 | TCG_REG_O0, | |
122 | TCG_REG_O1, | |
123 | TCG_REG_O2, | |
124 | TCG_REG_O3, | |
125 | TCG_REG_O4, | |
126 | TCG_REG_O5, | |
127 | }; | |
128 | ||
26a74ae3 | 129 | static const int tcg_target_call_oarg_regs[] = { |
8289b279 | 130 | TCG_REG_O0, |
e141ab52 BS |
131 | TCG_REG_O1, |
132 | TCG_REG_O2, | |
133 | TCG_REG_O3, | |
8289b279 BS |
134 | }; |
135 | ||
8289b279 BS |
136 | #define INSN_OP(x) ((x) << 30) |
137 | #define INSN_OP2(x) ((x) << 22) | |
138 | #define INSN_OP3(x) ((x) << 19) | |
139 | #define INSN_OPF(x) ((x) << 5) | |
140 | #define INSN_RD(x) ((x) << 25) | |
141 | #define INSN_RS1(x) ((x) << 14) | |
142 | #define INSN_RS2(x) (x) | |
8384dd67 | 143 | #define INSN_ASI(x) ((x) << 5) |
8289b279 | 144 | |
203342d8 | 145 | #define INSN_IMM10(x) ((1 << 13) | ((x) & 0x3ff)) |
dbfe80e1 | 146 | #define INSN_IMM11(x) ((1 << 13) | ((x) & 0x7ff)) |
8289b279 | 147 | #define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff)) |
ab1339b9 | 148 | #define INSN_OFF16(x) ((((x) >> 2) & 0x3fff) | ((((x) >> 16) & 3) << 20)) |
1da92db2 | 149 | #define INSN_OFF19(x) (((x) >> 2) & 0x07ffff) |
a115f3ea | 150 | #define INSN_COND(x) ((x) << 25) |
8289b279 | 151 | |
cf7c2ca5 BS |
152 | #define COND_N 0x0 |
153 | #define COND_E 0x1 | |
154 | #define COND_LE 0x2 | |
155 | #define COND_L 0x3 | |
156 | #define COND_LEU 0x4 | |
157 | #define COND_CS 0x5 | |
158 | #define COND_NEG 0x6 | |
159 | #define COND_VS 0x7 | |
b3db8758 | 160 | #define COND_A 0x8 |
cf7c2ca5 BS |
161 | #define COND_NE 0x9 |
162 | #define COND_G 0xa | |
163 | #define COND_GE 0xb | |
164 | #define COND_GU 0xc | |
165 | #define COND_CC 0xd | |
166 | #define COND_POS 0xe | |
167 | #define COND_VC 0xf | |
a115f3ea | 168 | #define BA (INSN_OP(0) | INSN_COND(COND_A) | INSN_OP2(0x2)) |
8289b279 | 169 | |
ab1339b9 RH |
170 | #define RCOND_Z 1 |
171 | #define RCOND_LEZ 2 | |
172 | #define RCOND_LZ 3 | |
173 | #define RCOND_NZ 5 | |
174 | #define RCOND_GZ 6 | |
175 | #define RCOND_GEZ 7 | |
176 | ||
dbfe80e1 RH |
177 | #define MOVCC_ICC (1 << 18) |
178 | #define MOVCC_XCC (1 << 18 | 1 << 12) | |
179 | ||
a115f3ea RH |
180 | #define BPCC_ICC 0 |
181 | #define BPCC_XCC (2 << 20) | |
182 | #define BPCC_PT (1 << 19) | |
183 | #define BPCC_PN 0 | |
184 | #define BPCC_A (1 << 29) | |
185 | ||
ab1339b9 RH |
186 | #define BPR_PT BPCC_PT |
187 | ||
8289b279 | 188 | #define ARITH_ADD (INSN_OP(2) | INSN_OP3(0x00)) |
7a3766f3 | 189 | #define ARITH_ADDCC (INSN_OP(2) | INSN_OP3(0x10)) |
8289b279 | 190 | #define ARITH_AND (INSN_OP(2) | INSN_OP3(0x01)) |
dc69960d | 191 | #define ARITH_ANDN (INSN_OP(2) | INSN_OP3(0x05)) |
8289b279 | 192 | #define ARITH_OR (INSN_OP(2) | INSN_OP3(0x02)) |
9a7f3228 | 193 | #define ARITH_ORCC (INSN_OP(2) | INSN_OP3(0x12)) |
be6551b1 | 194 | #define ARITH_ORN (INSN_OP(2) | INSN_OP3(0x06)) |
8289b279 | 195 | #define ARITH_XOR (INSN_OP(2) | INSN_OP3(0x03)) |
f5ef6aac BS |
196 | #define ARITH_SUB (INSN_OP(2) | INSN_OP3(0x04)) |
197 | #define ARITH_SUBCC (INSN_OP(2) | INSN_OP3(0x14)) | |
c470b663 RH |
198 | #define ARITH_ADDC (INSN_OP(2) | INSN_OP3(0x08)) |
199 | #define ARITH_SUBC (INSN_OP(2) | INSN_OP3(0x0c)) | |
8289b279 | 200 | #define ARITH_UMUL (INSN_OP(2) | INSN_OP3(0x0a)) |
f4c16661 | 201 | #define ARITH_SMUL (INSN_OP(2) | INSN_OP3(0x0b)) |
8289b279 BS |
202 | #define ARITH_UDIV (INSN_OP(2) | INSN_OP3(0x0e)) |
203 | #define ARITH_SDIV (INSN_OP(2) | INSN_OP3(0x0f)) | |
204 | #define ARITH_MULX (INSN_OP(2) | INSN_OP3(0x09)) | |
205 | #define ARITH_UDIVX (INSN_OP(2) | INSN_OP3(0x0d)) | |
206 | #define ARITH_SDIVX (INSN_OP(2) | INSN_OP3(0x2d)) | |
dbfe80e1 | 207 | #define ARITH_MOVCC (INSN_OP(2) | INSN_OP3(0x2c)) |
203342d8 | 208 | #define ARITH_MOVR (INSN_OP(2) | INSN_OP3(0x2f)) |
8289b279 | 209 | |
90379ca8 | 210 | #define ARITH_ADDXC (INSN_OP(2) | INSN_OP3(0x36) | INSN_OPF(0x11)) |
de8301e5 | 211 | #define ARITH_UMULXHI (INSN_OP(2) | INSN_OP3(0x36) | INSN_OPF(0x16)) |
90379ca8 | 212 | |
8289b279 BS |
213 | #define SHIFT_SLL (INSN_OP(2) | INSN_OP3(0x25)) |
214 | #define SHIFT_SRL (INSN_OP(2) | INSN_OP3(0x26)) | |
215 | #define SHIFT_SRA (INSN_OP(2) | INSN_OP3(0x27)) | |
216 | ||
217 | #define SHIFT_SLLX (INSN_OP(2) | INSN_OP3(0x25) | (1 << 12)) | |
218 | #define SHIFT_SRLX (INSN_OP(2) | INSN_OP3(0x26) | (1 << 12)) | |
219 | #define SHIFT_SRAX (INSN_OP(2) | INSN_OP3(0x27) | (1 << 12)) | |
220 | ||
7a3766f3 | 221 | #define RDY (INSN_OP(2) | INSN_OP3(0x28) | INSN_RS1(0)) |
583d1215 | 222 | #define WRY (INSN_OP(2) | INSN_OP3(0x30) | INSN_RD(0)) |
8289b279 | 223 | #define JMPL (INSN_OP(2) | INSN_OP3(0x38)) |
8b66eefe | 224 | #define RETURN (INSN_OP(2) | INSN_OP3(0x39)) |
8289b279 BS |
225 | #define SAVE (INSN_OP(2) | INSN_OP3(0x3c)) |
226 | #define RESTORE (INSN_OP(2) | INSN_OP3(0x3d)) | |
227 | #define SETHI (INSN_OP(0) | INSN_OP2(0x4)) | |
228 | #define CALL INSN_OP(1) | |
229 | #define LDUB (INSN_OP(3) | INSN_OP3(0x01)) | |
230 | #define LDSB (INSN_OP(3) | INSN_OP3(0x09)) | |
231 | #define LDUH (INSN_OP(3) | INSN_OP3(0x02)) | |
232 | #define LDSH (INSN_OP(3) | INSN_OP3(0x0a)) | |
233 | #define LDUW (INSN_OP(3) | INSN_OP3(0x00)) | |
234 | #define LDSW (INSN_OP(3) | INSN_OP3(0x08)) | |
235 | #define LDX (INSN_OP(3) | INSN_OP3(0x0b)) | |
236 | #define STB (INSN_OP(3) | INSN_OP3(0x05)) | |
237 | #define STH (INSN_OP(3) | INSN_OP3(0x06)) | |
238 | #define STW (INSN_OP(3) | INSN_OP3(0x04)) | |
239 | #define STX (INSN_OP(3) | INSN_OP3(0x0e)) | |
8384dd67 BS |
240 | #define LDUBA (INSN_OP(3) | INSN_OP3(0x11)) |
241 | #define LDSBA (INSN_OP(3) | INSN_OP3(0x19)) | |
242 | #define LDUHA (INSN_OP(3) | INSN_OP3(0x12)) | |
243 | #define LDSHA (INSN_OP(3) | INSN_OP3(0x1a)) | |
244 | #define LDUWA (INSN_OP(3) | INSN_OP3(0x10)) | |
245 | #define LDSWA (INSN_OP(3) | INSN_OP3(0x18)) | |
246 | #define LDXA (INSN_OP(3) | INSN_OP3(0x1b)) | |
247 | #define STBA (INSN_OP(3) | INSN_OP3(0x15)) | |
248 | #define STHA (INSN_OP(3) | INSN_OP3(0x16)) | |
249 | #define STWA (INSN_OP(3) | INSN_OP3(0x14)) | |
250 | #define STXA (INSN_OP(3) | INSN_OP3(0x1e)) | |
251 | ||
252 | #ifndef ASI_PRIMARY_LITTLE | |
253 | #define ASI_PRIMARY_LITTLE 0x88 | |
254 | #endif | |
8289b279 | 255 | |
a0ce341a RH |
256 | #define LDUH_LE (LDUHA | INSN_ASI(ASI_PRIMARY_LITTLE)) |
257 | #define LDSH_LE (LDSHA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
258 | #define LDUW_LE (LDUWA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
259 | #define LDSW_LE (LDSWA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
260 | #define LDX_LE (LDXA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
261 | ||
262 | #define STH_LE (STHA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
263 | #define STW_LE (STWA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
264 | #define STX_LE (STXA | INSN_ASI(ASI_PRIMARY_LITTLE)) | |
265 | ||
90379ca8 RH |
266 | #ifndef use_vis3_instructions |
267 | bool use_vis3_instructions; | |
268 | #endif | |
269 | ||
425532d7 | 270 | static inline int check_fit_i64(int64_t val, unsigned int bits) |
a115f3ea | 271 | { |
425532d7 | 272 | return val == sextract64(val, 0, bits); |
a115f3ea RH |
273 | } |
274 | ||
425532d7 | 275 | static inline int check_fit_i32(int32_t val, unsigned int bits) |
a115f3ea | 276 | { |
425532d7 | 277 | return val == sextract32(val, 0, bits); |
a115f3ea RH |
278 | } |
279 | ||
425532d7 RH |
280 | #define check_fit_tl check_fit_i64 |
281 | #if SPARC64 | |
282 | # define check_fit_ptr check_fit_i64 | |
283 | #else | |
284 | # define check_fit_ptr check_fit_i32 | |
285 | #endif | |
286 | ||
abce5964 | 287 | static void patch_reloc(tcg_insn_unit *code_ptr, int type, |
2ba7fae2 | 288 | intptr_t value, intptr_t addend) |
a115f3ea RH |
289 | { |
290 | uint32_t insn; | |
abce5964 | 291 | |
eabb7b91 | 292 | tcg_debug_assert(addend == 0); |
abce5964 RH |
293 | value = tcg_ptr_byte_diff((tcg_insn_unit *)value, code_ptr); |
294 | ||
a115f3ea | 295 | switch (type) { |
ab1339b9 | 296 | case R_SPARC_WDISP16: |
425532d7 | 297 | if (!check_fit_ptr(value >> 2, 16)) { |
ab1339b9 RH |
298 | tcg_abort(); |
299 | } | |
abce5964 | 300 | insn = *code_ptr; |
ab1339b9 RH |
301 | insn &= ~INSN_OFF16(-1); |
302 | insn |= INSN_OFF16(value); | |
abce5964 | 303 | *code_ptr = insn; |
ab1339b9 | 304 | break; |
a115f3ea | 305 | case R_SPARC_WDISP19: |
425532d7 | 306 | if (!check_fit_ptr(value >> 2, 19)) { |
a115f3ea RH |
307 | tcg_abort(); |
308 | } | |
abce5964 | 309 | insn = *code_ptr; |
a115f3ea RH |
310 | insn &= ~INSN_OFF19(-1); |
311 | insn |= INSN_OFF19(value); | |
abce5964 | 312 | *code_ptr = insn; |
a115f3ea RH |
313 | break; |
314 | default: | |
315 | tcg_abort(); | |
316 | } | |
317 | } | |
318 | ||
319 | /* parse target specific constraints */ | |
320 | static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) | |
321 | { | |
322 | const char *ct_str; | |
323 | ||
324 | ct_str = *pct_str; | |
325 | switch (ct_str[0]) { | |
326 | case 'r': | |
327 | ct->ct |= TCG_CT_REG; | |
328 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
329 | break; | |
34b1a49c | 330 | case 'R': |
a115f3ea | 331 | ct->ct |= TCG_CT_REG; |
34b1a49c RH |
332 | tcg_regset_set32(ct->u.regs, 0, ALL_64); |
333 | break; | |
334 | case 'A': /* qemu_ld/st address constraint */ | |
335 | ct->ct |= TCG_CT_REG; | |
336 | tcg_regset_set32(ct->u.regs, 0, | |
337 | TARGET_LONG_BITS == 64 ? ALL_64 : 0xffffffff); | |
338 | reserve_helpers: | |
a115f3ea RH |
339 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_O0); |
340 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_O1); | |
341 | tcg_regset_reset_reg(ct->u.regs, TCG_REG_O2); | |
342 | break; | |
34b1a49c RH |
343 | case 's': /* qemu_st data 32-bit constraint */ |
344 | ct->ct |= TCG_CT_REG; | |
345 | tcg_regset_set32(ct->u.regs, 0, 0xffffffff); | |
346 | goto reserve_helpers; | |
347 | case 'S': /* qemu_st data 64-bit constraint */ | |
348 | ct->ct |= TCG_CT_REG; | |
349 | tcg_regset_set32(ct->u.regs, 0, ALL_64); | |
350 | goto reserve_helpers; | |
a115f3ea RH |
351 | case 'I': |
352 | ct->ct |= TCG_CT_CONST_S11; | |
353 | break; | |
354 | case 'J': | |
355 | ct->ct |= TCG_CT_CONST_S13; | |
356 | break; | |
357 | case 'Z': | |
358 | ct->ct |= TCG_CT_CONST_ZERO; | |
359 | break; | |
360 | default: | |
361 | return -1; | |
362 | } | |
363 | ct_str++; | |
364 | *pct_str = ct_str; | |
365 | return 0; | |
366 | } | |
367 | ||
368 | /* test if a constant matches the constraint */ | |
f6c6afc1 | 369 | static inline int tcg_target_const_match(tcg_target_long val, TCGType type, |
a115f3ea RH |
370 | const TCGArgConstraint *arg_ct) |
371 | { | |
372 | int ct = arg_ct->ct; | |
373 | ||
374 | if (ct & TCG_CT_CONST) { | |
375 | return 1; | |
4b304cfa RH |
376 | } |
377 | ||
378 | if (type == TCG_TYPE_I32) { | |
379 | val = (int32_t)val; | |
380 | } | |
381 | ||
382 | if ((ct & TCG_CT_CONST_ZERO) && val == 0) { | |
a115f3ea RH |
383 | return 1; |
384 | } else if ((ct & TCG_CT_CONST_S11) && check_fit_tl(val, 11)) { | |
385 | return 1; | |
386 | } else if ((ct & TCG_CT_CONST_S13) && check_fit_tl(val, 13)) { | |
387 | return 1; | |
388 | } else { | |
389 | return 0; | |
390 | } | |
391 | } | |
392 | ||
35e2da15 RH |
393 | static inline void tcg_out_arith(TCGContext *s, TCGReg rd, TCGReg rs1, |
394 | TCGReg rs2, int op) | |
26cc915c | 395 | { |
35e2da15 | 396 | tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) | INSN_RS2(rs2)); |
26cc915c BS |
397 | } |
398 | ||
35e2da15 RH |
399 | static inline void tcg_out_arithi(TCGContext *s, TCGReg rd, TCGReg rs1, |
400 | int32_t offset, int op) | |
26cc915c | 401 | { |
35e2da15 | 402 | tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) | INSN_IMM13(offset)); |
26cc915c BS |
403 | } |
404 | ||
35e2da15 RH |
405 | static void tcg_out_arithc(TCGContext *s, TCGReg rd, TCGReg rs1, |
406 | int32_t val2, int val2const, int op) | |
ba225198 RH |
407 | { |
408 | tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) | |
409 | | (val2const ? INSN_IMM13(val2) : INSN_RS2(val2))); | |
410 | } | |
411 | ||
2a534aff RH |
412 | static inline void tcg_out_mov(TCGContext *s, TCGType type, |
413 | TCGReg ret, TCGReg arg) | |
8289b279 | 414 | { |
dda73c78 RH |
415 | if (ret != arg) { |
416 | tcg_out_arith(s, ret, arg, TCG_REG_G0, ARITH_OR); | |
417 | } | |
26cc915c BS |
418 | } |
419 | ||
35e2da15 | 420 | static inline void tcg_out_sethi(TCGContext *s, TCGReg ret, uint32_t arg) |
26cc915c BS |
421 | { |
422 | tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10)); | |
8289b279 BS |
423 | } |
424 | ||
35e2da15 | 425 | static inline void tcg_out_movi_imm13(TCGContext *s, TCGReg ret, int32_t arg) |
b101234a BS |
426 | { |
427 | tcg_out_arithi(s, ret, TCG_REG_G0, arg, ARITH_OR); | |
428 | } | |
429 | ||
a9c7d27b RH |
430 | static void tcg_out_movi(TCGContext *s, TCGType type, |
431 | TCGReg ret, tcg_target_long arg) | |
8289b279 | 432 | { |
425532d7 | 433 | tcg_target_long hi, lo = (int32_t)arg; |
a9c7d27b | 434 | |
035b2398 RH |
435 | /* Make sure we test 32-bit constants for imm13 properly. */ |
436 | if (type == TCG_TYPE_I32) { | |
437 | arg = lo; | |
438 | } | |
439 | ||
a9c7d27b RH |
440 | /* A 13-bit constant sign-extended to 64-bits. */ |
441 | if (check_fit_tl(arg, 13)) { | |
b101234a | 442 | tcg_out_movi_imm13(s, ret, arg); |
a9c7d27b | 443 | return; |
8289b279 | 444 | } |
8289b279 | 445 | |
a9c7d27b | 446 | /* A 32-bit constant, or 32-bit zero-extended to 64-bits. */ |
34b1a49c | 447 | if (type == TCG_TYPE_I32 || arg == (uint32_t)arg) { |
a9c7d27b RH |
448 | tcg_out_sethi(s, ret, arg); |
449 | if (arg & 0x3ff) { | |
450 | tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR); | |
451 | } | |
452 | return; | |
453 | } | |
454 | ||
455 | /* A 32-bit constant sign-extended to 64-bits. */ | |
425532d7 | 456 | if (arg == lo) { |
43172207 RH |
457 | tcg_out_sethi(s, ret, ~arg); |
458 | tcg_out_arithi(s, ret, ret, (arg & 0x3ff) | -0x400, ARITH_XOR); | |
a9c7d27b RH |
459 | return; |
460 | } | |
461 | ||
462 | /* A 64-bit constant decomposed into 2 32-bit pieces. */ | |
425532d7 | 463 | if (check_fit_i32(lo, 13)) { |
34b1a49c | 464 | hi = (arg - lo) >> 32; |
a9c7d27b RH |
465 | tcg_out_movi(s, TCG_TYPE_I32, ret, hi); |
466 | tcg_out_arithi(s, ret, ret, 32, SHIFT_SLLX); | |
467 | tcg_out_arithi(s, ret, ret, lo, ARITH_ADD); | |
43172207 | 468 | } else { |
34b1a49c | 469 | hi = arg >> 32; |
a9c7d27b RH |
470 | tcg_out_movi(s, TCG_TYPE_I32, ret, hi); |
471 | tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_T2, lo); | |
375816f8 | 472 | tcg_out_arithi(s, ret, ret, 32, SHIFT_SLLX); |
375816f8 | 473 | tcg_out_arith(s, ret, ret, TCG_REG_T2, ARITH_OR); |
6f41b777 | 474 | } |
b101234a BS |
475 | } |
476 | ||
35e2da15 RH |
477 | static inline void tcg_out_ldst_rr(TCGContext *s, TCGReg data, TCGReg a1, |
478 | TCGReg a2, int op) | |
8289b279 | 479 | { |
a0ce341a | 480 | tcg_out32(s, op | INSN_RD(data) | INSN_RS1(a1) | INSN_RS2(a2)); |
8289b279 BS |
481 | } |
482 | ||
35e2da15 RH |
483 | static void tcg_out_ldst(TCGContext *s, TCGReg ret, TCGReg addr, |
484 | intptr_t offset, int op) | |
8289b279 | 485 | { |
425532d7 | 486 | if (check_fit_ptr(offset, 13)) { |
8289b279 BS |
487 | tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(addr) | |
488 | INSN_IMM13(offset)); | |
a0ce341a | 489 | } else { |
375816f8 RH |
490 | tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_T1, offset); |
491 | tcg_out_ldst_rr(s, ret, addr, TCG_REG_T1, op); | |
cf7c2ca5 | 492 | } |
8289b279 BS |
493 | } |
494 | ||
2a534aff | 495 | static inline void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, |
a05b5b9b | 496 | TCGReg arg1, intptr_t arg2) |
8289b279 | 497 | { |
a0ce341a | 498 | tcg_out_ldst(s, ret, arg1, arg2, (type == TCG_TYPE_I32 ? LDUW : LDX)); |
8289b279 BS |
499 | } |
500 | ||
2a534aff | 501 | static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, |
a05b5b9b | 502 | TCGReg arg1, intptr_t arg2) |
8289b279 | 503 | { |
a0ce341a RH |
504 | tcg_out_ldst(s, arg, arg1, arg2, (type == TCG_TYPE_I32 ? STW : STX)); |
505 | } | |
506 | ||
59d7c14e RH |
507 | static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, |
508 | TCGReg base, intptr_t ofs) | |
509 | { | |
510 | if (val == 0) { | |
511 | tcg_out_st(s, type, TCG_REG_G0, base, ofs); | |
512 | return true; | |
513 | } | |
514 | return false; | |
515 | } | |
516 | ||
35e2da15 | 517 | static void tcg_out_ld_ptr(TCGContext *s, TCGReg ret, uintptr_t arg) |
a0ce341a | 518 | { |
35e2da15 RH |
519 | tcg_out_movi(s, TCG_TYPE_PTR, ret, arg & ~0x3ff); |
520 | tcg_out_ld(s, TCG_TYPE_PTR, ret, ret, arg & 0x3ff); | |
8289b279 BS |
521 | } |
522 | ||
35e2da15 | 523 | static inline void tcg_out_sety(TCGContext *s, TCGReg rs) |
8289b279 | 524 | { |
583d1215 | 525 | tcg_out32(s, WRY | INSN_RS1(TCG_REG_G0) | INSN_RS2(rs)); |
8289b279 BS |
526 | } |
527 | ||
35e2da15 | 528 | static inline void tcg_out_rdy(TCGContext *s, TCGReg rd) |
7a3766f3 RH |
529 | { |
530 | tcg_out32(s, RDY | INSN_RD(rd)); | |
531 | } | |
532 | ||
35e2da15 RH |
533 | static void tcg_out_div32(TCGContext *s, TCGReg rd, TCGReg rs1, |
534 | int32_t val2, int val2const, int uns) | |
583d1215 RH |
535 | { |
536 | /* Load Y with the sign/zero extension of RS1 to 64-bits. */ | |
537 | if (uns) { | |
538 | tcg_out_sety(s, TCG_REG_G0); | |
539 | } else { | |
375816f8 RH |
540 | tcg_out_arithi(s, TCG_REG_T1, rs1, 31, SHIFT_SRA); |
541 | tcg_out_sety(s, TCG_REG_T1); | |
583d1215 RH |
542 | } |
543 | ||
544 | tcg_out_arithc(s, rd, rs1, val2, val2const, | |
545 | uns ? ARITH_UDIV : ARITH_SDIV); | |
546 | } | |
547 | ||
8289b279 BS |
548 | static inline void tcg_out_nop(TCGContext *s) |
549 | { | |
26cc915c | 550 | tcg_out_sethi(s, TCG_REG_G0, 0); |
8289b279 BS |
551 | } |
552 | ||
0aed257f | 553 | static const uint8_t tcg_cond_to_bcond[] = { |
cf7c2ca5 BS |
554 | [TCG_COND_EQ] = COND_E, |
555 | [TCG_COND_NE] = COND_NE, | |
556 | [TCG_COND_LT] = COND_L, | |
557 | [TCG_COND_GE] = COND_GE, | |
558 | [TCG_COND_LE] = COND_LE, | |
559 | [TCG_COND_GT] = COND_G, | |
560 | [TCG_COND_LTU] = COND_CS, | |
561 | [TCG_COND_GEU] = COND_CC, | |
562 | [TCG_COND_LEU] = COND_LEU, | |
563 | [TCG_COND_GTU] = COND_GU, | |
564 | }; | |
565 | ||
ab1339b9 RH |
566 | static const uint8_t tcg_cond_to_rcond[] = { |
567 | [TCG_COND_EQ] = RCOND_Z, | |
568 | [TCG_COND_NE] = RCOND_NZ, | |
569 | [TCG_COND_LT] = RCOND_LZ, | |
570 | [TCG_COND_GT] = RCOND_GZ, | |
571 | [TCG_COND_LE] = RCOND_LEZ, | |
572 | [TCG_COND_GE] = RCOND_GEZ | |
573 | }; | |
574 | ||
a115f3ea RH |
575 | static void tcg_out_bpcc0(TCGContext *s, int scond, int flags, int off19) |
576 | { | |
577 | tcg_out32(s, INSN_OP(0) | INSN_OP2(1) | INSN_COND(scond) | flags | off19); | |
578 | } | |
579 | ||
bec16311 | 580 | static void tcg_out_bpcc(TCGContext *s, int scond, int flags, TCGLabel *l) |
a115f3ea | 581 | { |
a115f3ea RH |
582 | int off19; |
583 | ||
584 | if (l->has_value) { | |
abce5964 | 585 | off19 = INSN_OFF19(tcg_pcrel_diff(s, l->u.value_ptr)); |
a115f3ea RH |
586 | } else { |
587 | /* Make sure to preserve destinations during retranslation. */ | |
abce5964 | 588 | off19 = *s->code_ptr & INSN_OFF19(-1); |
bec16311 | 589 | tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP19, l, 0); |
a115f3ea RH |
590 | } |
591 | tcg_out_bpcc0(s, scond, flags, off19); | |
592 | } | |
593 | ||
35e2da15 | 594 | static void tcg_out_cmp(TCGContext *s, TCGReg c1, int32_t c2, int c2const) |
56f4927e | 595 | { |
ba225198 | 596 | tcg_out_arithc(s, TCG_REG_G0, c1, c2, c2const, ARITH_SUBCC); |
56f4927e RH |
597 | } |
598 | ||
35e2da15 | 599 | static void tcg_out_brcond_i32(TCGContext *s, TCGCond cond, TCGReg arg1, |
bec16311 | 600 | int32_t arg2, int const_arg2, TCGLabel *l) |
cf7c2ca5 | 601 | { |
56f4927e | 602 | tcg_out_cmp(s, arg1, arg2, const_arg2); |
bec16311 | 603 | tcg_out_bpcc(s, tcg_cond_to_bcond[cond], BPCC_ICC | BPCC_PT, l); |
cf7c2ca5 BS |
604 | tcg_out_nop(s); |
605 | } | |
606 | ||
35e2da15 RH |
607 | static void tcg_out_movcc(TCGContext *s, TCGCond cond, int cc, TCGReg ret, |
608 | int32_t v1, int v1const) | |
ded37f0d RH |
609 | { |
610 | tcg_out32(s, ARITH_MOVCC | cc | INSN_RD(ret) | |
611 | | INSN_RS1(tcg_cond_to_bcond[cond]) | |
612 | | (v1const ? INSN_IMM11(v1) : INSN_RS2(v1))); | |
613 | } | |
614 | ||
35e2da15 RH |
615 | static void tcg_out_movcond_i32(TCGContext *s, TCGCond cond, TCGReg ret, |
616 | TCGReg c1, int32_t c2, int c2const, | |
617 | int32_t v1, int v1const) | |
ded37f0d RH |
618 | { |
619 | tcg_out_cmp(s, c1, c2, c2const); | |
620 | tcg_out_movcc(s, cond, MOVCC_ICC, ret, v1, v1const); | |
621 | } | |
622 | ||
35e2da15 | 623 | static void tcg_out_brcond_i64(TCGContext *s, TCGCond cond, TCGReg arg1, |
bec16311 | 624 | int32_t arg2, int const_arg2, TCGLabel *l) |
1da92db2 | 625 | { |
ab1339b9 RH |
626 | /* For 64-bit signed comparisons vs zero, we can avoid the compare. */ |
627 | if (arg2 == 0 && !is_unsigned_cond(cond)) { | |
ab1339b9 RH |
628 | int off16; |
629 | ||
630 | if (l->has_value) { | |
abce5964 | 631 | off16 = INSN_OFF16(tcg_pcrel_diff(s, l->u.value_ptr)); |
ab1339b9 RH |
632 | } else { |
633 | /* Make sure to preserve destinations during retranslation. */ | |
abce5964 | 634 | off16 = *s->code_ptr & INSN_OFF16(-1); |
bec16311 | 635 | tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP16, l, 0); |
ab1339b9 RH |
636 | } |
637 | tcg_out32(s, INSN_OP(0) | INSN_OP2(3) | BPR_PT | INSN_RS1(arg1) | |
638 | | INSN_COND(tcg_cond_to_rcond[cond]) | off16); | |
639 | } else { | |
640 | tcg_out_cmp(s, arg1, arg2, const_arg2); | |
bec16311 | 641 | tcg_out_bpcc(s, tcg_cond_to_bcond[cond], BPCC_XCC | BPCC_PT, l); |
ab1339b9 | 642 | } |
1da92db2 BS |
643 | tcg_out_nop(s); |
644 | } | |
ded37f0d | 645 | |
35e2da15 RH |
646 | static void tcg_out_movr(TCGContext *s, TCGCond cond, TCGReg ret, TCGReg c1, |
647 | int32_t v1, int v1const) | |
203342d8 RH |
648 | { |
649 | tcg_out32(s, ARITH_MOVR | INSN_RD(ret) | INSN_RS1(c1) | |
650 | | (tcg_cond_to_rcond[cond] << 10) | |
651 | | (v1const ? INSN_IMM10(v1) : INSN_RS2(v1))); | |
652 | } | |
653 | ||
35e2da15 RH |
654 | static void tcg_out_movcond_i64(TCGContext *s, TCGCond cond, TCGReg ret, |
655 | TCGReg c1, int32_t c2, int c2const, | |
656 | int32_t v1, int v1const) | |
ded37f0d | 657 | { |
203342d8 RH |
658 | /* For 64-bit signed comparisons vs zero, we can avoid the compare. |
659 | Note that the immediate range is one bit smaller, so we must check | |
660 | for that as well. */ | |
661 | if (c2 == 0 && !is_unsigned_cond(cond) | |
35e2da15 | 662 | && (!v1const || check_fit_i32(v1, 10))) { |
203342d8 RH |
663 | tcg_out_movr(s, cond, ret, c1, v1, v1const); |
664 | } else { | |
665 | tcg_out_cmp(s, c1, c2, c2const); | |
666 | tcg_out_movcc(s, cond, MOVCC_XCC, ret, v1, v1const); | |
667 | } | |
ded37f0d | 668 | } |
1da92db2 | 669 | |
35e2da15 RH |
670 | static void tcg_out_setcond_i32(TCGContext *s, TCGCond cond, TCGReg ret, |
671 | TCGReg c1, int32_t c2, int c2const) | |
dbfe80e1 | 672 | { |
c470b663 | 673 | /* For 32-bit comparisons, we can play games with ADDC/SUBC. */ |
dbfe80e1 | 674 | switch (cond) { |
7d458a75 RH |
675 | case TCG_COND_LTU: |
676 | case TCG_COND_GEU: | |
677 | /* The result of the comparison is in the carry bit. */ | |
678 | break; | |
679 | ||
dbfe80e1 RH |
680 | case TCG_COND_EQ: |
681 | case TCG_COND_NE: | |
7d458a75 | 682 | /* For equality, we can transform to inequality vs zero. */ |
dbfe80e1 | 683 | if (c2 != 0) { |
321b6c05 RH |
684 | tcg_out_arithc(s, TCG_REG_T1, c1, c2, c2const, ARITH_XOR); |
685 | c2 = TCG_REG_T1; | |
686 | } else { | |
687 | c2 = c1; | |
dbfe80e1 | 688 | } |
321b6c05 | 689 | c1 = TCG_REG_G0, c2const = 0; |
7d458a75 | 690 | cond = (cond == TCG_COND_EQ ? TCG_COND_GEU : TCG_COND_LTU); |
dbfe80e1 RH |
691 | break; |
692 | ||
693 | case TCG_COND_GTU: | |
dbfe80e1 | 694 | case TCG_COND_LEU: |
7d458a75 RH |
695 | /* If we don't need to load a constant into a register, we can |
696 | swap the operands on GTU/LEU. There's no benefit to loading | |
697 | the constant into a temporary register. */ | |
698 | if (!c2const || c2 == 0) { | |
35e2da15 | 699 | TCGReg t = c1; |
7d458a75 RH |
700 | c1 = c2; |
701 | c2 = t; | |
702 | c2const = 0; | |
703 | cond = tcg_swap_cond(cond); | |
704 | break; | |
705 | } | |
706 | /* FALLTHRU */ | |
dbfe80e1 RH |
707 | |
708 | default: | |
709 | tcg_out_cmp(s, c1, c2, c2const); | |
dbfe80e1 | 710 | tcg_out_movi_imm13(s, ret, 0); |
ded37f0d | 711 | tcg_out_movcc(s, cond, MOVCC_ICC, ret, 1, 1); |
dbfe80e1 RH |
712 | return; |
713 | } | |
714 | ||
715 | tcg_out_cmp(s, c1, c2, c2const); | |
716 | if (cond == TCG_COND_LTU) { | |
c470b663 | 717 | tcg_out_arithi(s, ret, TCG_REG_G0, 0, ARITH_ADDC); |
dbfe80e1 | 718 | } else { |
c470b663 | 719 | tcg_out_arithi(s, ret, TCG_REG_G0, -1, ARITH_SUBC); |
dbfe80e1 RH |
720 | } |
721 | } | |
722 | ||
35e2da15 RH |
723 | static void tcg_out_setcond_i64(TCGContext *s, TCGCond cond, TCGReg ret, |
724 | TCGReg c1, int32_t c2, int c2const) | |
dbfe80e1 | 725 | { |
9d6a7a85 RH |
726 | if (use_vis3_instructions) { |
727 | switch (cond) { | |
728 | case TCG_COND_NE: | |
729 | if (c2 != 0) { | |
730 | break; | |
731 | } | |
732 | c2 = c1, c2const = 0, c1 = TCG_REG_G0; | |
733 | /* FALLTHRU */ | |
734 | case TCG_COND_LTU: | |
735 | tcg_out_cmp(s, c1, c2, c2const); | |
736 | tcg_out_arith(s, ret, TCG_REG_G0, TCG_REG_G0, ARITH_ADDXC); | |
737 | return; | |
738 | default: | |
739 | break; | |
740 | } | |
741 | } | |
742 | ||
203342d8 RH |
743 | /* For 64-bit signed comparisons vs zero, we can avoid the compare |
744 | if the input does not overlap the output. */ | |
745 | if (c2 == 0 && !is_unsigned_cond(cond) && c1 != ret) { | |
746 | tcg_out_movi_imm13(s, ret, 0); | |
747 | tcg_out_movr(s, cond, ret, c1, 1, 1); | |
748 | } else { | |
749 | tcg_out_cmp(s, c1, c2, c2const); | |
750 | tcg_out_movi_imm13(s, ret, 0); | |
751 | tcg_out_movcc(s, cond, MOVCC_XCC, ret, 1, 1); | |
752 | } | |
dbfe80e1 | 753 | } |
4ec28e25 | 754 | |
609ac1e1 RH |
755 | static void tcg_out_addsub2_i32(TCGContext *s, TCGReg rl, TCGReg rh, |
756 | TCGReg al, TCGReg ah, int32_t bl, int blconst, | |
757 | int32_t bh, int bhconst, int opl, int oph) | |
4ec28e25 | 758 | { |
35e2da15 | 759 | TCGReg tmp = TCG_REG_T1; |
4ec28e25 RH |
760 | |
761 | /* Note that the low parts are fully consumed before tmp is set. */ | |
762 | if (rl != ah && (bhconst || rl != bh)) { | |
763 | tmp = rl; | |
764 | } | |
765 | ||
766 | tcg_out_arithc(s, tmp, al, bl, blconst, opl); | |
767 | tcg_out_arithc(s, rh, ah, bh, bhconst, oph); | |
768 | tcg_out_mov(s, TCG_TYPE_I32, rl, tmp); | |
769 | } | |
dbfe80e1 | 770 | |
609ac1e1 RH |
771 | static void tcg_out_addsub2_i64(TCGContext *s, TCGReg rl, TCGReg rh, |
772 | TCGReg al, TCGReg ah, int32_t bl, int blconst, | |
773 | int32_t bh, int bhconst, bool is_sub) | |
774 | { | |
775 | TCGReg tmp = TCG_REG_T1; | |
776 | ||
777 | /* Note that the low parts are fully consumed before tmp is set. */ | |
778 | if (rl != ah && (bhconst || rl != bh)) { | |
779 | tmp = rl; | |
780 | } | |
781 | ||
782 | tcg_out_arithc(s, tmp, al, bl, blconst, is_sub ? ARITH_SUBCC : ARITH_ADDCC); | |
783 | ||
90379ca8 RH |
784 | if (use_vis3_instructions && !is_sub) { |
785 | /* Note that ADDXC doesn't accept immediates. */ | |
786 | if (bhconst && bh != 0) { | |
787 | tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_T2, bh); | |
788 | bh = TCG_REG_T2; | |
789 | } | |
790 | tcg_out_arith(s, rh, ah, bh, ARITH_ADDXC); | |
791 | } else if (bh == TCG_REG_G0) { | |
609ac1e1 RH |
792 | /* If we have a zero, we can perform the operation in two insns, |
793 | with the arithmetic first, and a conditional move into place. */ | |
794 | if (rh == ah) { | |
795 | tcg_out_arithi(s, TCG_REG_T2, ah, 1, | |
796 | is_sub ? ARITH_SUB : ARITH_ADD); | |
797 | tcg_out_movcc(s, TCG_COND_LTU, MOVCC_XCC, rh, TCG_REG_T2, 0); | |
798 | } else { | |
799 | tcg_out_arithi(s, rh, ah, 1, is_sub ? ARITH_SUB : ARITH_ADD); | |
800 | tcg_out_movcc(s, TCG_COND_GEU, MOVCC_XCC, rh, ah, 0); | |
801 | } | |
802 | } else { | |
803 | /* Otherwise adjust BH as if there is carry into T2 ... */ | |
804 | if (bhconst) { | |
805 | tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_T2, bh + (is_sub ? -1 : 1)); | |
806 | } else { | |
807 | tcg_out_arithi(s, TCG_REG_T2, bh, 1, | |
808 | is_sub ? ARITH_SUB : ARITH_ADD); | |
809 | } | |
810 | /* ... smoosh T2 back to original BH if carry is clear ... */ | |
811 | tcg_out_movcc(s, TCG_COND_GEU, MOVCC_XCC, TCG_REG_T2, bh, bhconst); | |
812 | /* ... and finally perform the arithmetic with the new operand. */ | |
813 | tcg_out_arith(s, rh, ah, TCG_REG_T2, is_sub ? ARITH_SUB : ARITH_ADD); | |
814 | } | |
815 | ||
816 | tcg_out_mov(s, TCG_TYPE_I64, rl, tmp); | |
817 | } | |
818 | ||
4e9cf840 | 819 | static void tcg_out_call_nodelay(TCGContext *s, tcg_insn_unit *dest) |
aad2f06a | 820 | { |
abce5964 | 821 | ptrdiff_t disp = tcg_pcrel_diff(s, dest); |
aad2f06a RH |
822 | |
823 | if (disp == (int32_t)disp) { | |
824 | tcg_out32(s, CALL | (uint32_t)disp >> 2); | |
825 | } else { | |
abce5964 RH |
826 | uintptr_t desti = (uintptr_t)dest; |
827 | tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_T1, desti & ~0xfff); | |
828 | tcg_out_arithi(s, TCG_REG_O7, TCG_REG_T1, desti & 0xfff, JMPL); | |
aad2f06a RH |
829 | } |
830 | } | |
831 | ||
4e9cf840 RH |
832 | static void tcg_out_call(TCGContext *s, tcg_insn_unit *dest) |
833 | { | |
834 | tcg_out_call_nodelay(s, dest); | |
835 | tcg_out_nop(s); | |
836 | } | |
837 | ||
7ea5d725 | 838 | #ifdef CONFIG_SOFTMMU |
abce5964 RH |
839 | static tcg_insn_unit *qemu_ld_trampoline[16]; |
840 | static tcg_insn_unit *qemu_st_trampoline[16]; | |
7ea5d725 RH |
841 | |
842 | static void build_trampolines(TCGContext *s) | |
843 | { | |
abce5964 RH |
844 | static void * const qemu_ld_helpers[16] = { |
845 | [MO_UB] = helper_ret_ldub_mmu, | |
846 | [MO_SB] = helper_ret_ldsb_mmu, | |
847 | [MO_LEUW] = helper_le_lduw_mmu, | |
848 | [MO_LESW] = helper_le_ldsw_mmu, | |
849 | [MO_LEUL] = helper_le_ldul_mmu, | |
850 | [MO_LEQ] = helper_le_ldq_mmu, | |
851 | [MO_BEUW] = helper_be_lduw_mmu, | |
852 | [MO_BESW] = helper_be_ldsw_mmu, | |
853 | [MO_BEUL] = helper_be_ldul_mmu, | |
854 | [MO_BEQ] = helper_be_ldq_mmu, | |
7ea5d725 | 855 | }; |
abce5964 RH |
856 | static void * const qemu_st_helpers[16] = { |
857 | [MO_UB] = helper_ret_stb_mmu, | |
858 | [MO_LEUW] = helper_le_stw_mmu, | |
859 | [MO_LEUL] = helper_le_stl_mmu, | |
860 | [MO_LEQ] = helper_le_stq_mmu, | |
861 | [MO_BEUW] = helper_be_stw_mmu, | |
862 | [MO_BEUL] = helper_be_stl_mmu, | |
863 | [MO_BEQ] = helper_be_stq_mmu, | |
7ea5d725 RH |
864 | }; |
865 | ||
866 | int i; | |
867 | TCGReg ra; | |
7ea5d725 RH |
868 | |
869 | for (i = 0; i < 16; ++i) { | |
abce5964 | 870 | if (qemu_ld_helpers[i] == NULL) { |
7ea5d725 RH |
871 | continue; |
872 | } | |
873 | ||
874 | /* May as well align the trampoline. */ | |
abce5964 | 875 | while ((uintptr_t)s->code_ptr & 15) { |
7ea5d725 | 876 | tcg_out_nop(s); |
7ea5d725 | 877 | } |
abce5964 | 878 | qemu_ld_trampoline[i] = s->code_ptr; |
7ea5d725 | 879 | |
34b1a49c RH |
880 | if (SPARC64 || TARGET_LONG_BITS == 32) { |
881 | ra = TCG_REG_O3; | |
882 | } else { | |
883 | /* Install the high part of the address. */ | |
884 | tcg_out_arithi(s, TCG_REG_O1, TCG_REG_O2, 32, SHIFT_SRLX); | |
885 | ra = TCG_REG_O4; | |
886 | } | |
7ea5d725 RH |
887 | |
888 | /* Set the retaddr operand. */ | |
889 | tcg_out_mov(s, TCG_TYPE_PTR, ra, TCG_REG_O7); | |
890 | /* Set the env operand. */ | |
891 | tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_O0, TCG_AREG0); | |
892 | /* Tail call. */ | |
4e9cf840 | 893 | tcg_out_call_nodelay(s, qemu_ld_helpers[i]); |
7ea5d725 RH |
894 | tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_O7, ra); |
895 | } | |
896 | ||
897 | for (i = 0; i < 16; ++i) { | |
abce5964 | 898 | if (qemu_st_helpers[i] == NULL) { |
7ea5d725 RH |
899 | continue; |
900 | } | |
901 | ||
902 | /* May as well align the trampoline. */ | |
abce5964 | 903 | while ((uintptr_t)s->code_ptr & 15) { |
7ea5d725 | 904 | tcg_out_nop(s); |
7ea5d725 | 905 | } |
abce5964 | 906 | qemu_st_trampoline[i] = s->code_ptr; |
7ea5d725 | 907 | |
34b1a49c RH |
908 | if (SPARC64) { |
909 | ra = TCG_REG_O4; | |
910 | } else { | |
911 | ra = TCG_REG_O1; | |
912 | if (TARGET_LONG_BITS == 64) { | |
913 | /* Install the high part of the address. */ | |
914 | tcg_out_arithi(s, ra, ra + 1, 32, SHIFT_SRLX); | |
915 | ra += 2; | |
916 | } else { | |
917 | ra += 1; | |
918 | } | |
919 | if ((i & MO_SIZE) == MO_64) { | |
920 | /* Install the high part of the data. */ | |
921 | tcg_out_arithi(s, ra, ra + 1, 32, SHIFT_SRLX); | |
922 | ra += 2; | |
923 | } else { | |
924 | ra += 1; | |
925 | } | |
3972ef6f | 926 | /* Skip the oi argument. */ |
34b1a49c RH |
927 | ra += 1; |
928 | } | |
929 | ||
7ea5d725 RH |
930 | /* Set the retaddr operand. */ |
931 | if (ra >= TCG_REG_O6) { | |
932 | tcg_out_st(s, TCG_TYPE_PTR, TCG_REG_O7, TCG_REG_CALL_STACK, | |
933 | TCG_TARGET_CALL_STACK_OFFSET); | |
934 | ra = TCG_REG_G1; | |
935 | } | |
936 | tcg_out_mov(s, TCG_TYPE_PTR, ra, TCG_REG_O7); | |
937 | /* Set the env operand. */ | |
938 | tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_O0, TCG_AREG0); | |
939 | /* Tail call. */ | |
4e9cf840 | 940 | tcg_out_call_nodelay(s, qemu_st_helpers[i]); |
7ea5d725 RH |
941 | tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_O7, ra); |
942 | } | |
943 | } | |
944 | #endif | |
945 | ||
7d551702 | 946 | /* Generate global QEMU prologue and epilogue code */ |
e4d58b41 | 947 | static void tcg_target_qemu_prologue(TCGContext *s) |
b3db8758 | 948 | { |
4c3204cb RH |
949 | int tmp_buf_size, frame_size; |
950 | ||
951 | /* The TCG temp buffer is at the top of the frame, immediately | |
952 | below the frame pointer. */ | |
953 | tmp_buf_size = CPU_TEMP_BUF_NLONGS * (int)sizeof(long); | |
954 | tcg_set_frame(s, TCG_REG_I6, TCG_TARGET_STACK_BIAS - tmp_buf_size, | |
955 | tmp_buf_size); | |
956 | ||
957 | /* TCG_TARGET_CALL_STACK_OFFSET includes the stack bias, but is | |
958 | otherwise the minimal frame usable by callees. */ | |
959 | frame_size = TCG_TARGET_CALL_STACK_OFFSET - TCG_TARGET_STACK_BIAS; | |
960 | frame_size += TCG_STATIC_CALL_ARGS_SIZE + tmp_buf_size; | |
961 | frame_size += TCG_TARGET_STACK_ALIGN - 1; | |
962 | frame_size &= -TCG_TARGET_STACK_ALIGN; | |
b3db8758 | 963 | tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) | |
4c3204cb | 964 | INSN_IMM13(-frame_size)); |
c6f7e4fb | 965 | |
4cbea598 | 966 | #ifndef CONFIG_SOFTMMU |
b76f21a7 LV |
967 | if (guest_base != 0) { |
968 | tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, guest_base); | |
c6f7e4fb RH |
969 | tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG); |
970 | } | |
971 | #endif | |
972 | ||
aad2f06a | 973 | tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I1, 0, JMPL); |
0c554161 RH |
974 | /* delay slot */ |
975 | tcg_out_nop(s); | |
4c3204cb RH |
976 | |
977 | /* No epilogue required. We issue ret + restore directly in the TB. */ | |
7ea5d725 RH |
978 | |
979 | #ifdef CONFIG_SOFTMMU | |
980 | build_trampolines(s); | |
981 | #endif | |
b3db8758 BS |
982 | } |
983 | ||
f5ef6aac | 984 | #if defined(CONFIG_SOFTMMU) |
a0ce341a | 985 | /* Perform the TLB load and compare. |
bffe1431 | 986 | |
a0ce341a | 987 | Inputs: |
a8b12c10 | 988 | ADDRLO and ADDRHI contain the possible two parts of the address. |
a0ce341a RH |
989 | |
990 | MEM_INDEX and S_BITS are the memory context and log2 size of the load. | |
991 | ||
992 | WHICH is the offset into the CPUTLBEntry structure of the slot to read. | |
993 | This should be offsetof addr_read or addr_write. | |
994 | ||
995 | The result of the TLB comparison is in %[ix]cc. The sanitized address | |
996 | is in the returned register, maybe %o0. The TLB addend is in %o1. */ | |
997 | ||
34b1a49c | 998 | static TCGReg tcg_out_tlb_load(TCGContext *s, TCGReg addr, int mem_index, |
85aa8081 | 999 | TCGMemOp opc, int which) |
a0ce341a | 1000 | { |
a8b12c10 RH |
1001 | const TCGReg r0 = TCG_REG_O0; |
1002 | const TCGReg r1 = TCG_REG_O1; | |
1003 | const TCGReg r2 = TCG_REG_O2; | |
85aa8081 RH |
1004 | unsigned s_bits = opc & MO_SIZE; |
1005 | unsigned a_bits = get_alignment_bits(opc); | |
a0ce341a RH |
1006 | int tlb_ofs; |
1007 | ||
d801a8f2 | 1008 | /* Shift the page number down. */ |
34b1a49c | 1009 | tcg_out_arithi(s, r1, addr, TARGET_PAGE_BITS, SHIFT_SRL); |
a0ce341a | 1010 | |
85aa8081 RH |
1011 | /* Mask out the page offset, except for the required alignment. |
1012 | We don't support unaligned accesses. */ | |
1013 | if (a_bits < s_bits) { | |
1014 | a_bits = s_bits; | |
1015 | } | |
d801a8f2 | 1016 | tcg_out_movi(s, TCG_TYPE_TL, TCG_REG_T1, |
85aa8081 | 1017 | TARGET_PAGE_MASK | ((1 << a_bits) - 1)); |
d801a8f2 RH |
1018 | |
1019 | /* Mask the tlb index. */ | |
1020 | tcg_out_arithi(s, r1, r1, CPU_TLB_SIZE - 1, ARITH_AND); | |
1021 | ||
1022 | /* Mask page, part 2. */ | |
1023 | tcg_out_arith(s, r0, addr, TCG_REG_T1, ARITH_AND); | |
a0ce341a | 1024 | |
d801a8f2 RH |
1025 | /* Shift the tlb index into place. */ |
1026 | tcg_out_arithi(s, r1, r1, CPU_TLB_ENTRY_BITS, SHIFT_SLL); | |
a0ce341a RH |
1027 | |
1028 | /* Relative to the current ENV. */ | |
1029 | tcg_out_arith(s, r1, TCG_AREG0, r1, ARITH_ADD); | |
1030 | ||
1031 | /* Find a base address that can load both tlb comparator and addend. */ | |
1032 | tlb_ofs = offsetof(CPUArchState, tlb_table[mem_index][0]); | |
425532d7 | 1033 | if (!check_fit_ptr(tlb_ofs + sizeof(CPUTLBEntry), 13)) { |
35e2da15 RH |
1034 | if (tlb_ofs & ~0x3ff) { |
1035 | tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_T1, tlb_ofs & ~0x3ff); | |
1036 | tcg_out_arith(s, r1, r1, TCG_REG_T1, ARITH_ADD); | |
1037 | } | |
d801a8f2 | 1038 | tlb_ofs &= 0x3ff; |
a0ce341a RH |
1039 | } |
1040 | ||
1041 | /* Load the tlb comparator and the addend. */ | |
1042 | tcg_out_ld(s, TCG_TYPE_TL, r2, r1, tlb_ofs + which); | |
1043 | tcg_out_ld(s, TCG_TYPE_PTR, r1, r1, tlb_ofs+offsetof(CPUTLBEntry, addend)); | |
1044 | ||
1045 | /* subcc arg0, arg2, %g0 */ | |
1046 | tcg_out_cmp(s, r0, r2, 0); | |
1047 | ||
1048 | /* If the guest address must be zero-extended, do so now. */ | |
9f44adc5 | 1049 | if (SPARC64 && TARGET_LONG_BITS == 32) { |
34b1a49c | 1050 | tcg_out_arithi(s, r0, addr, 0, SHIFT_SRL); |
a0ce341a RH |
1051 | return r0; |
1052 | } | |
34b1a49c | 1053 | return addr; |
a0ce341a RH |
1054 | } |
1055 | #endif /* CONFIG_SOFTMMU */ | |
1056 | ||
eef0d9e7 RH |
1057 | static const int qemu_ld_opc[16] = { |
1058 | [MO_UB] = LDUB, | |
1059 | [MO_SB] = LDSB, | |
1060 | ||
1061 | [MO_BEUW] = LDUH, | |
1062 | [MO_BESW] = LDSH, | |
1063 | [MO_BEUL] = LDUW, | |
1064 | [MO_BESL] = LDSW, | |
1065 | [MO_BEQ] = LDX, | |
1066 | ||
1067 | [MO_LEUW] = LDUH_LE, | |
1068 | [MO_LESW] = LDSH_LE, | |
1069 | [MO_LEUL] = LDUW_LE, | |
1070 | [MO_LESL] = LDSW_LE, | |
1071 | [MO_LEQ] = LDX_LE, | |
a0ce341a | 1072 | }; |
9d0efc88 | 1073 | |
eef0d9e7 RH |
1074 | static const int qemu_st_opc[16] = { |
1075 | [MO_UB] = STB, | |
1076 | ||
1077 | [MO_BEUW] = STH, | |
1078 | [MO_BEUL] = STW, | |
1079 | [MO_BEQ] = STX, | |
1080 | ||
1081 | [MO_LEUW] = STH_LE, | |
1082 | [MO_LEUL] = STW_LE, | |
1083 | [MO_LEQ] = STX_LE, | |
a0ce341a | 1084 | }; |
bffe1431 | 1085 | |
34b1a49c | 1086 | static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr, |
59227d5d | 1087 | TCGMemOpIdx oi, bool is_64) |
f5ef6aac | 1088 | { |
59227d5d | 1089 | TCGMemOp memop = get_memop(oi); |
34b1a49c | 1090 | #ifdef CONFIG_SOFTMMU |
59227d5d | 1091 | unsigned memi = get_mmuidx(oi); |
cab0a7ea | 1092 | TCGReg addrz, param; |
abce5964 RH |
1093 | tcg_insn_unit *func; |
1094 | tcg_insn_unit *label_ptr; | |
f5ef6aac | 1095 | |
85aa8081 | 1096 | addrz = tcg_out_tlb_load(s, addr, memi, memop, |
cab0a7ea | 1097 | offsetof(CPUTLBEntry, addr_read)); |
a0ce341a | 1098 | |
34b1a49c RH |
1099 | /* The fast path is exactly one insn. Thus we can perform the |
1100 | entire TLB Hit in the (annulled) delay slot of the branch | |
1101 | over the TLB Miss case. */ | |
a0ce341a | 1102 | |
34b1a49c | 1103 | /* beq,a,pt %[xi]cc, label0 */ |
abce5964 | 1104 | label_ptr = s->code_ptr; |
34b1a49c RH |
1105 | tcg_out_bpcc0(s, COND_E, BPCC_A | BPCC_PT |
1106 | | (TARGET_LONG_BITS == 64 ? BPCC_XCC : BPCC_ICC), 0); | |
1107 | /* delay slot */ | |
2b7ec66f RH |
1108 | tcg_out_ldst_rr(s, data, addrz, TCG_REG_O1, |
1109 | qemu_ld_opc[memop & (MO_BSWAP | MO_SSIZE)]); | |
53c37487 | 1110 | |
a0ce341a | 1111 | /* TLB Miss. */ |
f5ef6aac | 1112 | |
7ea5d725 | 1113 | param = TCG_REG_O1; |
34b1a49c RH |
1114 | if (!SPARC64 && TARGET_LONG_BITS == 64) { |
1115 | /* Skip the high-part; we'll perform the extract in the trampoline. */ | |
1116 | param++; | |
a0ce341a | 1117 | } |
34b1a49c | 1118 | tcg_out_mov(s, TCG_TYPE_REG, param++, addr); |
f5ef6aac | 1119 | |
7ea5d725 RH |
1120 | /* We use the helpers to extend SB and SW data, leaving the case |
1121 | of SL needing explicit extending below. */ | |
2b7ec66f RH |
1122 | if ((memop & MO_SSIZE) == MO_SL) { |
1123 | func = qemu_ld_trampoline[memop & (MO_BSWAP | MO_SIZE)]; | |
7ea5d725 | 1124 | } else { |
2b7ec66f | 1125 | func = qemu_ld_trampoline[memop & (MO_BSWAP | MO_SSIZE)]; |
7ea5d725 | 1126 | } |
eabb7b91 | 1127 | tcg_debug_assert(func != NULL); |
4e9cf840 | 1128 | tcg_out_call_nodelay(s, func); |
a0ce341a | 1129 | /* delay slot */ |
3972ef6f | 1130 | tcg_out_movi(s, TCG_TYPE_I32, param, oi); |
7ea5d725 | 1131 | |
34b1a49c RH |
1132 | /* Recall that all of the helpers return 64-bit results. |
1133 | Which complicates things for sparcv8plus. */ | |
1134 | if (SPARC64) { | |
1135 | /* We let the helper sign-extend SB and SW, but leave SL for here. */ | |
2b7ec66f | 1136 | if (is_64 && (memop & MO_SSIZE) == MO_SL) { |
34b1a49c RH |
1137 | tcg_out_arithi(s, data, TCG_REG_O0, 0, SHIFT_SRA); |
1138 | } else { | |
1139 | tcg_out_mov(s, TCG_TYPE_REG, data, TCG_REG_O0); | |
1140 | } | |
1141 | } else { | |
2b7ec66f | 1142 | if ((memop & MO_SIZE) == MO_64) { |
34b1a49c RH |
1143 | tcg_out_arithi(s, TCG_REG_O0, TCG_REG_O0, 32, SHIFT_SLLX); |
1144 | tcg_out_arithi(s, TCG_REG_O1, TCG_REG_O1, 0, SHIFT_SRL); | |
1145 | tcg_out_arith(s, data, TCG_REG_O0, TCG_REG_O1, ARITH_OR); | |
1146 | } else if (is_64) { | |
1147 | /* Re-extend from 32-bit rather than reassembling when we | |
1148 | know the high register must be an extension. */ | |
1149 | tcg_out_arithi(s, data, TCG_REG_O1, 0, | |
1150 | memop & MO_SIGN ? SHIFT_SRA : SHIFT_SRL); | |
1151 | } else { | |
1152 | tcg_out_mov(s, TCG_TYPE_I32, data, TCG_REG_O1); | |
a0ce341a | 1153 | } |
f5ef6aac BS |
1154 | } |
1155 | ||
abce5964 | 1156 | *label_ptr |= INSN_OFF19(tcg_ptr_byte_diff(s->code_ptr, label_ptr)); |
90cbed46 | 1157 | #else |
9f44adc5 | 1158 | if (SPARC64 && TARGET_LONG_BITS == 32) { |
34b1a49c RH |
1159 | tcg_out_arithi(s, TCG_REG_T1, addr, 0, SHIFT_SRL); |
1160 | addr = TCG_REG_T1; | |
f5ef6aac | 1161 | } |
34b1a49c | 1162 | tcg_out_ldst_rr(s, data, addr, |
b76f21a7 | 1163 | (guest_base ? TCG_GUEST_BASE_REG : TCG_REG_G0), |
2b7ec66f | 1164 | qemu_ld_opc[memop & (MO_BSWAP | MO_SSIZE)]); |
a0ce341a | 1165 | #endif /* CONFIG_SOFTMMU */ |
f5ef6aac BS |
1166 | } |
1167 | ||
34b1a49c | 1168 | static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr, |
59227d5d | 1169 | TCGMemOpIdx oi) |
f5ef6aac | 1170 | { |
59227d5d | 1171 | TCGMemOp memop = get_memop(oi); |
34b1a49c | 1172 | #ifdef CONFIG_SOFTMMU |
59227d5d | 1173 | unsigned memi = get_mmuidx(oi); |
34b1a49c | 1174 | TCGReg addrz, param; |
abce5964 RH |
1175 | tcg_insn_unit *func; |
1176 | tcg_insn_unit *label_ptr; | |
f5ef6aac | 1177 | |
85aa8081 | 1178 | addrz = tcg_out_tlb_load(s, addr, memi, memop, |
cab0a7ea | 1179 | offsetof(CPUTLBEntry, addr_write)); |
a0ce341a | 1180 | |
a0ce341a RH |
1181 | /* The fast path is exactly one insn. Thus we can perform the entire |
1182 | TLB Hit in the (annulled) delay slot of the branch over TLB Miss. */ | |
1183 | /* beq,a,pt %[xi]cc, label0 */ | |
abce5964 | 1184 | label_ptr = s->code_ptr; |
a115f3ea RH |
1185 | tcg_out_bpcc0(s, COND_E, BPCC_A | BPCC_PT |
1186 | | (TARGET_LONG_BITS == 64 ? BPCC_XCC : BPCC_ICC), 0); | |
a0ce341a | 1187 | /* delay slot */ |
2b7ec66f RH |
1188 | tcg_out_ldst_rr(s, data, addrz, TCG_REG_O1, |
1189 | qemu_st_opc[memop & (MO_BSWAP | MO_SIZE)]); | |
a0ce341a RH |
1190 | |
1191 | /* TLB Miss. */ | |
1192 | ||
7ea5d725 | 1193 | param = TCG_REG_O1; |
34b1a49c RH |
1194 | if (!SPARC64 && TARGET_LONG_BITS == 64) { |
1195 | /* Skip the high-part; we'll perform the extract in the trampoline. */ | |
1196 | param++; | |
a0ce341a | 1197 | } |
34b1a49c | 1198 | tcg_out_mov(s, TCG_TYPE_REG, param++, addr); |
2b7ec66f | 1199 | if (!SPARC64 && (memop & MO_SIZE) == MO_64) { |
34b1a49c RH |
1200 | /* Skip the high-part; we'll perform the extract in the trampoline. */ |
1201 | param++; | |
a0ce341a | 1202 | } |
34b1a49c | 1203 | tcg_out_mov(s, TCG_TYPE_REG, param++, data); |
53c37487 | 1204 | |
2b7ec66f | 1205 | func = qemu_st_trampoline[memop & (MO_BSWAP | MO_SIZE)]; |
eabb7b91 | 1206 | tcg_debug_assert(func != NULL); |
4e9cf840 | 1207 | tcg_out_call_nodelay(s, func); |
a0ce341a | 1208 | /* delay slot */ |
3972ef6f | 1209 | tcg_out_movi(s, TCG_TYPE_I32, param, oi); |
f5ef6aac | 1210 | |
abce5964 | 1211 | *label_ptr |= INSN_OFF19(tcg_ptr_byte_diff(s->code_ptr, label_ptr)); |
8384dd67 | 1212 | #else |
9f44adc5 | 1213 | if (SPARC64 && TARGET_LONG_BITS == 32) { |
34b1a49c RH |
1214 | tcg_out_arithi(s, TCG_REG_T1, addr, 0, SHIFT_SRL); |
1215 | addr = TCG_REG_T1; | |
a0ce341a | 1216 | } |
34b1a49c | 1217 | tcg_out_ldst_rr(s, data, addr, |
b76f21a7 | 1218 | (guest_base ? TCG_GUEST_BASE_REG : TCG_REG_G0), |
2b7ec66f | 1219 | qemu_st_opc[memop & (MO_BSWAP | MO_SIZE)]); |
a0ce341a | 1220 | #endif /* CONFIG_SOFTMMU */ |
f5ef6aac BS |
1221 | } |
1222 | ||
b357f902 RH |
1223 | static void tcg_out_op(TCGContext *s, TCGOpcode opc, |
1224 | const TCGArg args[TCG_MAX_OP_ARGS], | |
1225 | const int const_args[TCG_MAX_OP_ARGS]) | |
8289b279 | 1226 | { |
b357f902 RH |
1227 | TCGArg a0, a1, a2; |
1228 | int c, c2; | |
1229 | ||
1230 | /* Hoist the loads of the most common arguments. */ | |
1231 | a0 = args[0]; | |
1232 | a1 = args[1]; | |
1233 | a2 = args[2]; | |
1234 | c2 = const_args[2]; | |
8289b279 BS |
1235 | |
1236 | switch (opc) { | |
1237 | case INDEX_op_exit_tb: | |
b357f902 | 1238 | if (check_fit_ptr(a0, 13)) { |
8b66eefe | 1239 | tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I7, 8, RETURN); |
b357f902 | 1240 | tcg_out_movi_imm13(s, TCG_REG_O0, a0); |
8b66eefe | 1241 | } else { |
b357f902 | 1242 | tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, a0 & ~0x3ff); |
8b66eefe | 1243 | tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I7, 8, RETURN); |
b357f902 | 1244 | tcg_out_arithi(s, TCG_REG_O0, TCG_REG_O0, a0 & 0x3ff, ARITH_OR); |
8b66eefe | 1245 | } |
8289b279 BS |
1246 | break; |
1247 | case INDEX_op_goto_tb: | |
f309101c | 1248 | if (s->tb_jmp_insn_offset) { |
8289b279 | 1249 | /* direct jump method */ |
f309101c | 1250 | s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s); |
5bbd2cae | 1251 | /* Make sure to preserve links during retranslation. */ |
abce5964 | 1252 | tcg_out32(s, CALL | (*s->code_ptr & ~INSN_OP(-1))); |
8289b279 BS |
1253 | } else { |
1254 | /* indirect jump method */ | |
f309101c SF |
1255 | tcg_out_ld_ptr(s, TCG_REG_T1, |
1256 | (uintptr_t)(s->tb_jmp_target_addr + a0)); | |
aad2f06a | 1257 | tcg_out_arithi(s, TCG_REG_G0, TCG_REG_T1, 0, JMPL); |
8289b279 | 1258 | } |
53cd9273 | 1259 | tcg_out_nop(s); |
f309101c | 1260 | s->tb_jmp_reset_offset[a0] = tcg_current_code_size(s); |
8289b279 | 1261 | break; |
8289b279 | 1262 | case INDEX_op_br: |
bec16311 | 1263 | tcg_out_bpcc(s, COND_A, BPCC_PT, arg_label(a0)); |
f5ef6aac | 1264 | tcg_out_nop(s); |
8289b279 | 1265 | break; |
8289b279 | 1266 | |
8289b279 | 1267 | #define OP_32_64(x) \ |
ba225198 RH |
1268 | glue(glue(case INDEX_op_, x), _i32): \ |
1269 | glue(glue(case INDEX_op_, x), _i64) | |
34b1a49c | 1270 | |
ba225198 | 1271 | OP_32_64(ld8u): |
b357f902 | 1272 | tcg_out_ldst(s, a0, a1, a2, LDUB); |
8289b279 | 1273 | break; |
ba225198 | 1274 | OP_32_64(ld8s): |
b357f902 | 1275 | tcg_out_ldst(s, a0, a1, a2, LDSB); |
8289b279 | 1276 | break; |
ba225198 | 1277 | OP_32_64(ld16u): |
b357f902 | 1278 | tcg_out_ldst(s, a0, a1, a2, LDUH); |
8289b279 | 1279 | break; |
ba225198 | 1280 | OP_32_64(ld16s): |
b357f902 | 1281 | tcg_out_ldst(s, a0, a1, a2, LDSH); |
8289b279 BS |
1282 | break; |
1283 | case INDEX_op_ld_i32: | |
53cd9273 | 1284 | case INDEX_op_ld32u_i64: |
b357f902 | 1285 | tcg_out_ldst(s, a0, a1, a2, LDUW); |
8289b279 | 1286 | break; |
ba225198 | 1287 | OP_32_64(st8): |
b357f902 | 1288 | tcg_out_ldst(s, a0, a1, a2, STB); |
8289b279 | 1289 | break; |
ba225198 | 1290 | OP_32_64(st16): |
b357f902 | 1291 | tcg_out_ldst(s, a0, a1, a2, STH); |
8289b279 BS |
1292 | break; |
1293 | case INDEX_op_st_i32: | |
53cd9273 | 1294 | case INDEX_op_st32_i64: |
b357f902 | 1295 | tcg_out_ldst(s, a0, a1, a2, STW); |
8289b279 | 1296 | break; |
ba225198 | 1297 | OP_32_64(add): |
53cd9273 | 1298 | c = ARITH_ADD; |
ba225198 RH |
1299 | goto gen_arith; |
1300 | OP_32_64(sub): | |
8289b279 | 1301 | c = ARITH_SUB; |
ba225198 RH |
1302 | goto gen_arith; |
1303 | OP_32_64(and): | |
8289b279 | 1304 | c = ARITH_AND; |
ba225198 | 1305 | goto gen_arith; |
dc69960d RH |
1306 | OP_32_64(andc): |
1307 | c = ARITH_ANDN; | |
1308 | goto gen_arith; | |
ba225198 | 1309 | OP_32_64(or): |
8289b279 | 1310 | c = ARITH_OR; |
ba225198 | 1311 | goto gen_arith; |
18c8f7a3 RH |
1312 | OP_32_64(orc): |
1313 | c = ARITH_ORN; | |
1314 | goto gen_arith; | |
ba225198 | 1315 | OP_32_64(xor): |
8289b279 | 1316 | c = ARITH_XOR; |
ba225198 | 1317 | goto gen_arith; |
8289b279 BS |
1318 | case INDEX_op_shl_i32: |
1319 | c = SHIFT_SLL; | |
1fd95946 RH |
1320 | do_shift32: |
1321 | /* Limit immediate shift count lest we create an illegal insn. */ | |
b357f902 | 1322 | tcg_out_arithc(s, a0, a1, a2 & 31, c2, c); |
1fd95946 | 1323 | break; |
8289b279 BS |
1324 | case INDEX_op_shr_i32: |
1325 | c = SHIFT_SRL; | |
1fd95946 | 1326 | goto do_shift32; |
8289b279 BS |
1327 | case INDEX_op_sar_i32: |
1328 | c = SHIFT_SRA; | |
1fd95946 | 1329 | goto do_shift32; |
8289b279 BS |
1330 | case INDEX_op_mul_i32: |
1331 | c = ARITH_UMUL; | |
ba225198 | 1332 | goto gen_arith; |
583d1215 | 1333 | |
4b5a85c1 RH |
1334 | OP_32_64(neg): |
1335 | c = ARITH_SUB; | |
1336 | goto gen_arith1; | |
be6551b1 RH |
1337 | OP_32_64(not): |
1338 | c = ARITH_ORN; | |
1339 | goto gen_arith1; | |
4b5a85c1 | 1340 | |
583d1215 | 1341 | case INDEX_op_div_i32: |
b357f902 | 1342 | tcg_out_div32(s, a0, a1, a2, c2, 0); |
583d1215 RH |
1343 | break; |
1344 | case INDEX_op_divu_i32: | |
b357f902 | 1345 | tcg_out_div32(s, a0, a1, a2, c2, 1); |
583d1215 RH |
1346 | break; |
1347 | ||
8289b279 | 1348 | case INDEX_op_brcond_i32: |
bec16311 | 1349 | tcg_out_brcond_i32(s, a2, a0, a1, const_args[1], arg_label(args[3])); |
8289b279 | 1350 | break; |
dbfe80e1 | 1351 | case INDEX_op_setcond_i32: |
b357f902 | 1352 | tcg_out_setcond_i32(s, args[3], a0, a1, a2, c2); |
dbfe80e1 | 1353 | break; |
ded37f0d | 1354 | case INDEX_op_movcond_i32: |
b357f902 | 1355 | tcg_out_movcond_i32(s, args[5], a0, a1, a2, c2, args[3], const_args[3]); |
ded37f0d | 1356 | break; |
dbfe80e1 | 1357 | |
7a3766f3 | 1358 | case INDEX_op_add2_i32: |
609ac1e1 RH |
1359 | tcg_out_addsub2_i32(s, args[0], args[1], args[2], args[3], |
1360 | args[4], const_args[4], args[5], const_args[5], | |
c470b663 | 1361 | ARITH_ADDCC, ARITH_ADDC); |
7a3766f3 RH |
1362 | break; |
1363 | case INDEX_op_sub2_i32: | |
609ac1e1 RH |
1364 | tcg_out_addsub2_i32(s, args[0], args[1], args[2], args[3], |
1365 | args[4], const_args[4], args[5], const_args[5], | |
c470b663 | 1366 | ARITH_SUBCC, ARITH_SUBC); |
7a3766f3 RH |
1367 | break; |
1368 | case INDEX_op_mulu2_i32: | |
f4c16661 RH |
1369 | c = ARITH_UMUL; |
1370 | goto do_mul2; | |
1371 | case INDEX_op_muls2_i32: | |
1372 | c = ARITH_SMUL; | |
1373 | do_mul2: | |
1374 | /* The 32-bit multiply insns produce a full 64-bit result. If the | |
1375 | destination register can hold it, we can avoid the slower RDY. */ | |
b357f902 RH |
1376 | tcg_out_arithc(s, a0, a2, args[3], const_args[3], c); |
1377 | if (SPARC64 || a0 <= TCG_REG_O7) { | |
1378 | tcg_out_arithi(s, a1, a0, 32, SHIFT_SRLX); | |
f4c16661 | 1379 | } else { |
b357f902 | 1380 | tcg_out_rdy(s, a1); |
f4c16661 | 1381 | } |
7a3766f3 | 1382 | break; |
8289b279 | 1383 | |
cab0a7ea | 1384 | case INDEX_op_qemu_ld_i32: |
59227d5d | 1385 | tcg_out_qemu_ld(s, a0, a1, a2, false); |
8289b279 | 1386 | break; |
cab0a7ea | 1387 | case INDEX_op_qemu_ld_i64: |
59227d5d | 1388 | tcg_out_qemu_ld(s, a0, a1, a2, true); |
8289b279 | 1389 | break; |
cab0a7ea | 1390 | case INDEX_op_qemu_st_i32: |
cab0a7ea | 1391 | case INDEX_op_qemu_st_i64: |
59227d5d | 1392 | tcg_out_qemu_st(s, a0, a1, a2); |
a0ce341a | 1393 | break; |
8289b279 | 1394 | |
53cd9273 | 1395 | case INDEX_op_ld32s_i64: |
b357f902 | 1396 | tcg_out_ldst(s, a0, a1, a2, LDSW); |
53cd9273 | 1397 | break; |
8289b279 | 1398 | case INDEX_op_ld_i64: |
b357f902 | 1399 | tcg_out_ldst(s, a0, a1, a2, LDX); |
8289b279 BS |
1400 | break; |
1401 | case INDEX_op_st_i64: | |
b357f902 | 1402 | tcg_out_ldst(s, a0, a1, a2, STX); |
8289b279 BS |
1403 | break; |
1404 | case INDEX_op_shl_i64: | |
1405 | c = SHIFT_SLLX; | |
1fd95946 RH |
1406 | do_shift64: |
1407 | /* Limit immediate shift count lest we create an illegal insn. */ | |
b357f902 | 1408 | tcg_out_arithc(s, a0, a1, a2 & 63, c2, c); |
1fd95946 | 1409 | break; |
8289b279 BS |
1410 | case INDEX_op_shr_i64: |
1411 | c = SHIFT_SRLX; | |
1fd95946 | 1412 | goto do_shift64; |
8289b279 BS |
1413 | case INDEX_op_sar_i64: |
1414 | c = SHIFT_SRAX; | |
1fd95946 | 1415 | goto do_shift64; |
8289b279 BS |
1416 | case INDEX_op_mul_i64: |
1417 | c = ARITH_MULX; | |
ba225198 | 1418 | goto gen_arith; |
583d1215 | 1419 | case INDEX_op_div_i64: |
53cd9273 | 1420 | c = ARITH_SDIVX; |
ba225198 | 1421 | goto gen_arith; |
583d1215 | 1422 | case INDEX_op_divu_i64: |
8289b279 | 1423 | c = ARITH_UDIVX; |
ba225198 | 1424 | goto gen_arith; |
4f2331e5 | 1425 | case INDEX_op_ext_i32_i64: |
cc6dfecf | 1426 | case INDEX_op_ext32s_i64: |
b357f902 | 1427 | tcg_out_arithi(s, a0, a1, 0, SHIFT_SRA); |
cc6dfecf | 1428 | break; |
4f2331e5 | 1429 | case INDEX_op_extu_i32_i64: |
cc6dfecf | 1430 | case INDEX_op_ext32u_i64: |
b357f902 | 1431 | tcg_out_arithi(s, a0, a1, 0, SHIFT_SRL); |
cc6dfecf | 1432 | break; |
609ad705 RH |
1433 | case INDEX_op_extrl_i64_i32: |
1434 | tcg_out_mov(s, TCG_TYPE_I32, a0, a1); | |
1435 | break; | |
1436 | case INDEX_op_extrh_i64_i32: | |
1437 | tcg_out_arithi(s, a0, a1, 32, SHIFT_SRLX); | |
a24fba93 | 1438 | break; |
8289b279 BS |
1439 | |
1440 | case INDEX_op_brcond_i64: | |
bec16311 | 1441 | tcg_out_brcond_i64(s, a2, a0, a1, const_args[1], arg_label(args[3])); |
8289b279 | 1442 | break; |
dbfe80e1 | 1443 | case INDEX_op_setcond_i64: |
b357f902 | 1444 | tcg_out_setcond_i64(s, args[3], a0, a1, a2, c2); |
dbfe80e1 | 1445 | break; |
ded37f0d | 1446 | case INDEX_op_movcond_i64: |
b357f902 | 1447 | tcg_out_movcond_i64(s, args[5], a0, a1, a2, c2, args[3], const_args[3]); |
ded37f0d | 1448 | break; |
609ac1e1 RH |
1449 | case INDEX_op_add2_i64: |
1450 | tcg_out_addsub2_i64(s, args[0], args[1], args[2], args[3], args[4], | |
1451 | const_args[4], args[5], const_args[5], false); | |
1452 | break; | |
1453 | case INDEX_op_sub2_i64: | |
1454 | tcg_out_addsub2_i64(s, args[0], args[1], args[2], args[3], args[4], | |
1455 | const_args[4], args[5], const_args[5], true); | |
1456 | break; | |
de8301e5 RH |
1457 | case INDEX_op_muluh_i64: |
1458 | tcg_out_arith(s, args[0], args[1], args[2], ARITH_UMULXHI); | |
1459 | break; | |
34b1a49c | 1460 | |
ba225198 | 1461 | gen_arith: |
b357f902 | 1462 | tcg_out_arithc(s, a0, a1, a2, c2, c); |
53cd9273 BS |
1463 | break; |
1464 | ||
4b5a85c1 | 1465 | gen_arith1: |
b357f902 | 1466 | tcg_out_arithc(s, a0, TCG_REG_G0, a1, const_args[1], c); |
4b5a85c1 RH |
1467 | break; |
1468 | ||
96d0ee7f | 1469 | case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ |
98b90bab | 1470 | case INDEX_op_mov_i64: |
96d0ee7f | 1471 | case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ |
98b90bab | 1472 | case INDEX_op_movi_i64: |
96d0ee7f | 1473 | case INDEX_op_call: /* Always emitted via tcg_out_call. */ |
8289b279 | 1474 | default: |
8289b279 BS |
1475 | tcg_abort(); |
1476 | } | |
1477 | } | |
1478 | ||
1479 | static const TCGTargetOpDef sparc_op_defs[] = { | |
1480 | { INDEX_op_exit_tb, { } }, | |
b3db8758 | 1481 | { INDEX_op_goto_tb, { } }, |
8289b279 BS |
1482 | { INDEX_op_br, { } }, |
1483 | ||
8289b279 BS |
1484 | { INDEX_op_ld8u_i32, { "r", "r" } }, |
1485 | { INDEX_op_ld8s_i32, { "r", "r" } }, | |
1486 | { INDEX_op_ld16u_i32, { "r", "r" } }, | |
1487 | { INDEX_op_ld16s_i32, { "r", "r" } }, | |
1488 | { INDEX_op_ld_i32, { "r", "r" } }, | |
89269f6c RH |
1489 | { INDEX_op_st8_i32, { "rZ", "r" } }, |
1490 | { INDEX_op_st16_i32, { "rZ", "r" } }, | |
1491 | { INDEX_op_st_i32, { "rZ", "r" } }, | |
1492 | ||
1493 | { INDEX_op_add_i32, { "r", "rZ", "rJ" } }, | |
1494 | { INDEX_op_mul_i32, { "r", "rZ", "rJ" } }, | |
1495 | { INDEX_op_div_i32, { "r", "rZ", "rJ" } }, | |
1496 | { INDEX_op_divu_i32, { "r", "rZ", "rJ" } }, | |
89269f6c RH |
1497 | { INDEX_op_sub_i32, { "r", "rZ", "rJ" } }, |
1498 | { INDEX_op_and_i32, { "r", "rZ", "rJ" } }, | |
1499 | { INDEX_op_andc_i32, { "r", "rZ", "rJ" } }, | |
1500 | { INDEX_op_or_i32, { "r", "rZ", "rJ" } }, | |
1501 | { INDEX_op_orc_i32, { "r", "rZ", "rJ" } }, | |
1502 | { INDEX_op_xor_i32, { "r", "rZ", "rJ" } }, | |
1503 | ||
1504 | { INDEX_op_shl_i32, { "r", "rZ", "rJ" } }, | |
1505 | { INDEX_op_shr_i32, { "r", "rZ", "rJ" } }, | |
1506 | { INDEX_op_sar_i32, { "r", "rZ", "rJ" } }, | |
8289b279 | 1507 | |
4b5a85c1 | 1508 | { INDEX_op_neg_i32, { "r", "rJ" } }, |
be6551b1 | 1509 | { INDEX_op_not_i32, { "r", "rJ" } }, |
4b5a85c1 | 1510 | |
89269f6c RH |
1511 | { INDEX_op_brcond_i32, { "rZ", "rJ" } }, |
1512 | { INDEX_op_setcond_i32, { "r", "rZ", "rJ" } }, | |
1513 | { INDEX_op_movcond_i32, { "r", "rZ", "rJ", "rI", "0" } }, | |
dbfe80e1 | 1514 | |
89269f6c RH |
1515 | { INDEX_op_add2_i32, { "r", "r", "rZ", "rZ", "rJ", "rJ" } }, |
1516 | { INDEX_op_sub2_i32, { "r", "r", "rZ", "rZ", "rJ", "rJ" } }, | |
1517 | { INDEX_op_mulu2_i32, { "r", "r", "rZ", "rJ" } }, | |
f4c16661 | 1518 | { INDEX_op_muls2_i32, { "r", "r", "rZ", "rJ" } }, |
8289b279 | 1519 | |
34b1a49c RH |
1520 | { INDEX_op_ld8u_i64, { "R", "r" } }, |
1521 | { INDEX_op_ld8s_i64, { "R", "r" } }, | |
1522 | { INDEX_op_ld16u_i64, { "R", "r" } }, | |
1523 | { INDEX_op_ld16s_i64, { "R", "r" } }, | |
1524 | { INDEX_op_ld32u_i64, { "R", "r" } }, | |
1525 | { INDEX_op_ld32s_i64, { "R", "r" } }, | |
1526 | { INDEX_op_ld_i64, { "R", "r" } }, | |
1527 | { INDEX_op_st8_i64, { "RZ", "r" } }, | |
1528 | { INDEX_op_st16_i64, { "RZ", "r" } }, | |
1529 | { INDEX_op_st32_i64, { "RZ", "r" } }, | |
1530 | { INDEX_op_st_i64, { "RZ", "r" } }, | |
1531 | ||
1532 | { INDEX_op_add_i64, { "R", "RZ", "RJ" } }, | |
1533 | { INDEX_op_mul_i64, { "R", "RZ", "RJ" } }, | |
1534 | { INDEX_op_div_i64, { "R", "RZ", "RJ" } }, | |
1535 | { INDEX_op_divu_i64, { "R", "RZ", "RJ" } }, | |
1536 | { INDEX_op_sub_i64, { "R", "RZ", "RJ" } }, | |
1537 | { INDEX_op_and_i64, { "R", "RZ", "RJ" } }, | |
1538 | { INDEX_op_andc_i64, { "R", "RZ", "RJ" } }, | |
1539 | { INDEX_op_or_i64, { "R", "RZ", "RJ" } }, | |
1540 | { INDEX_op_orc_i64, { "R", "RZ", "RJ" } }, | |
1541 | { INDEX_op_xor_i64, { "R", "RZ", "RJ" } }, | |
1542 | ||
1543 | { INDEX_op_shl_i64, { "R", "RZ", "RJ" } }, | |
1544 | { INDEX_op_shr_i64, { "R", "RZ", "RJ" } }, | |
1545 | { INDEX_op_sar_i64, { "R", "RZ", "RJ" } }, | |
1546 | ||
1547 | { INDEX_op_neg_i64, { "R", "RJ" } }, | |
1548 | { INDEX_op_not_i64, { "R", "RJ" } }, | |
1549 | ||
4f2331e5 AJ |
1550 | { INDEX_op_ext32s_i64, { "R", "R" } }, |
1551 | { INDEX_op_ext32u_i64, { "R", "R" } }, | |
1552 | { INDEX_op_ext_i32_i64, { "R", "r" } }, | |
1553 | { INDEX_op_extu_i32_i64, { "R", "r" } }, | |
609ad705 RH |
1554 | { INDEX_op_extrl_i64_i32, { "r", "R" } }, |
1555 | { INDEX_op_extrh_i64_i32, { "r", "R" } }, | |
34b1a49c RH |
1556 | |
1557 | { INDEX_op_brcond_i64, { "RZ", "RJ" } }, | |
1558 | { INDEX_op_setcond_i64, { "R", "RZ", "RJ" } }, | |
1559 | { INDEX_op_movcond_i64, { "R", "RZ", "RJ", "RI", "0" } }, | |
1560 | ||
609ac1e1 RH |
1561 | { INDEX_op_add2_i64, { "R", "R", "RZ", "RZ", "RJ", "RI" } }, |
1562 | { INDEX_op_sub2_i64, { "R", "R", "RZ", "RZ", "RJ", "RI" } }, | |
de8301e5 | 1563 | { INDEX_op_muluh_i64, { "R", "RZ", "RZ" } }, |
609ac1e1 | 1564 | |
34b1a49c RH |
1565 | { INDEX_op_qemu_ld_i32, { "r", "A" } }, |
1566 | { INDEX_op_qemu_ld_i64, { "R", "A" } }, | |
ebd0c614 RH |
1567 | { INDEX_op_qemu_st_i32, { "sZ", "A" } }, |
1568 | { INDEX_op_qemu_st_i64, { "SZ", "A" } }, | |
a0ce341a | 1569 | |
8289b279 BS |
1570 | { -1 }, |
1571 | }; | |
1572 | ||
e4d58b41 | 1573 | static void tcg_target_init(TCGContext *s) |
8289b279 | 1574 | { |
90379ca8 RH |
1575 | /* Only probe for the platform and capabilities if we havn't already |
1576 | determined maximum values at compile time. */ | |
1577 | #ifndef use_vis3_instructions | |
1578 | { | |
1579 | unsigned long hwcap = qemu_getauxval(AT_HWCAP); | |
1580 | use_vis3_instructions = (hwcap & HWCAP_SPARC_VIS3) != 0; | |
1581 | } | |
1582 | #endif | |
1583 | ||
8289b279 | 1584 | tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff); |
34b1a49c RH |
1585 | tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, ALL_64); |
1586 | ||
8289b279 | 1587 | tcg_regset_set32(tcg_target_call_clobber_regs, 0, |
b3db8758 BS |
1588 | (1 << TCG_REG_G1) | |
1589 | (1 << TCG_REG_G2) | | |
1590 | (1 << TCG_REG_G3) | | |
1591 | (1 << TCG_REG_G4) | | |
1592 | (1 << TCG_REG_G5) | | |
1593 | (1 << TCG_REG_G6) | | |
1594 | (1 << TCG_REG_G7) | | |
8289b279 BS |
1595 | (1 << TCG_REG_O0) | |
1596 | (1 << TCG_REG_O1) | | |
1597 | (1 << TCG_REG_O2) | | |
1598 | (1 << TCG_REG_O3) | | |
1599 | (1 << TCG_REG_O4) | | |
1600 | (1 << TCG_REG_O5) | | |
8289b279 BS |
1601 | (1 << TCG_REG_O7)); |
1602 | ||
1603 | tcg_regset_clear(s->reserved_regs); | |
375816f8 RH |
1604 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0); /* zero */ |
1605 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_G6); /* reserved for os */ | |
1606 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_G7); /* thread pointer */ | |
1607 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6); /* frame pointer */ | |
1608 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7); /* return address */ | |
1609 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6); /* stack pointer */ | |
1610 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_T1); /* for internal use */ | |
1611 | tcg_regset_set_reg(s->reserved_regs, TCG_REG_T2); /* for internal use */ | |
1612 | ||
8289b279 BS |
1613 | tcg_add_target_add_op_defs(sparc_op_defs); |
1614 | } | |
cb1977d3 | 1615 | |
9f44adc5 | 1616 | #if SPARC64 |
cb1977d3 | 1617 | # define ELF_HOST_MACHINE EM_SPARCV9 |
9b9c37c3 | 1618 | #else |
cb1977d3 RH |
1619 | # define ELF_HOST_MACHINE EM_SPARC32PLUS |
1620 | # define ELF_HOST_FLAGS EF_SPARC_32PLUS | |
cb1977d3 RH |
1621 | #endif |
1622 | ||
cb1977d3 | 1623 | typedef struct { |
ae18b28d | 1624 | DebugFrameHeader h; |
9f44adc5 | 1625 | uint8_t fde_def_cfa[SPARC64 ? 4 : 2]; |
497a22eb RH |
1626 | uint8_t fde_win_save; |
1627 | uint8_t fde_ret_save[3]; | |
cb1977d3 RH |
1628 | } DebugFrame; |
1629 | ||
ae18b28d RH |
1630 | static const DebugFrame debug_frame = { |
1631 | .h.cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */ | |
1632 | .h.cie.id = -1, | |
1633 | .h.cie.version = 1, | |
1634 | .h.cie.code_align = 1, | |
1635 | .h.cie.data_align = -sizeof(void *) & 0x7f, | |
1636 | .h.cie.return_column = 15, /* o7 */ | |
cb1977d3 | 1637 | |
497a22eb | 1638 | /* Total FDE size does not include the "len" member. */ |
ae18b28d | 1639 | .h.fde.len = sizeof(DebugFrame) - offsetof(DebugFrame, h.fde.cie_offset), |
497a22eb RH |
1640 | |
1641 | .fde_def_cfa = { | |
9f44adc5 | 1642 | #if SPARC64 |
cb1977d3 RH |
1643 | 12, 30, /* DW_CFA_def_cfa i6, 2047 */ |
1644 | (2047 & 0x7f) | 0x80, (2047 >> 7) | |
1645 | #else | |
1646 | 13, 30 /* DW_CFA_def_cfa_register i6 */ | |
1647 | #endif | |
1648 | }, | |
497a22eb RH |
1649 | .fde_win_save = 0x2d, /* DW_CFA_GNU_window_save */ |
1650 | .fde_ret_save = { 9, 15, 31 }, /* DW_CFA_register o7, i7 */ | |
cb1977d3 RH |
1651 | }; |
1652 | ||
1653 | void tcg_register_jit(void *buf, size_t buf_size) | |
1654 | { | |
cb1977d3 RH |
1655 | tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame)); |
1656 | } | |
5bbd2cae RH |
1657 | |
1658 | void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr) | |
1659 | { | |
1660 | uint32_t *ptr = (uint32_t *)jmp_addr; | |
c8fc56ce | 1661 | uintptr_t disp = addr - jmp_addr; |
5bbd2cae RH |
1662 | |
1663 | /* We can reach the entire address space for 32-bit. For 64-bit | |
1664 | the code_gen_buffer can't be larger than 2GB. */ | |
eabb7b91 | 1665 | tcg_debug_assert(disp == (int32_t)disp); |
5bbd2cae | 1666 | |
84f79fb7 | 1667 | atomic_set(ptr, deposit32(CALL, 0, 30, disp >> 2)); |
5bbd2cae RH |
1668 | flush_icache_range(jmp_addr, jmp_addr + 4); |
1669 | } |