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2c0262af FB |
1 | /* |
2 | * i386 translation | |
5fafdf24 | 3 | * |
2c0262af FB |
4 | * Copyright (c) 2003 Fabrice Bellard |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | #include <stdarg.h> | |
21 | #include <stdlib.h> | |
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | #include <inttypes.h> | |
25 | #include <signal.h> | |
26 | #include <assert.h> | |
2c0262af FB |
27 | |
28 | #include "cpu.h" | |
29 | #include "exec-all.h" | |
30 | #include "disas.h" | |
57fec1fe FB |
31 | #include "helper.h" |
32 | #include "tcg-op.h" | |
2c0262af FB |
33 | |
34 | #define PREFIX_REPZ 0x01 | |
35 | #define PREFIX_REPNZ 0x02 | |
36 | #define PREFIX_LOCK 0x04 | |
37 | #define PREFIX_DATA 0x08 | |
38 | #define PREFIX_ADR 0x10 | |
39 | ||
14ce26e7 FB |
40 | #ifdef TARGET_X86_64 |
41 | #define X86_64_ONLY(x) x | |
42 | #define X86_64_DEF(x...) x | |
43 | #define CODE64(s) ((s)->code64) | |
44 | #define REX_X(s) ((s)->rex_x) | |
45 | #define REX_B(s) ((s)->rex_b) | |
46 | /* XXX: gcc generates push/pop in some opcodes, so we cannot use them */ | |
47 | #if 1 | |
48 | #define BUGGY_64(x) NULL | |
49 | #endif | |
50 | #else | |
51 | #define X86_64_ONLY(x) NULL | |
52 | #define X86_64_DEF(x...) | |
53 | #define CODE64(s) 0 | |
54 | #define REX_X(s) 0 | |
55 | #define REX_B(s) 0 | |
56 | #endif | |
57 | ||
57fec1fe FB |
58 | //#define MACRO_TEST 1 |
59 | ||
57fec1fe | 60 | /* global register indexes */ |
ac56dd48 | 61 | static TCGv cpu_env, cpu_T[2], cpu_A0; |
57fec1fe | 62 | /* local register indexes (only used inside old micro ops) */ |
ac56dd48 | 63 | static TCGv cpu_tmp0; |
57fec1fe FB |
64 | |
65 | #ifdef TARGET_X86_64 | |
66 | static int x86_64_hregs; | |
ae063a68 FB |
67 | #endif |
68 | ||
2c0262af FB |
69 | typedef struct DisasContext { |
70 | /* current insn context */ | |
71 | int override; /* -1 if no override */ | |
72 | int prefix; | |
73 | int aflag, dflag; | |
14ce26e7 | 74 | target_ulong pc; /* pc = eip + cs_base */ |
2c0262af FB |
75 | int is_jmp; /* 1 = means jump (stop translation), 2 means CPU |
76 | static state change (stop translation) */ | |
77 | /* current block context */ | |
14ce26e7 | 78 | target_ulong cs_base; /* base of CS segment */ |
2c0262af FB |
79 | int pe; /* protected mode */ |
80 | int code32; /* 32 bit code segment */ | |
14ce26e7 FB |
81 | #ifdef TARGET_X86_64 |
82 | int lma; /* long mode active */ | |
83 | int code64; /* 64 bit code segment */ | |
84 | int rex_x, rex_b; | |
85 | #endif | |
2c0262af FB |
86 | int ss32; /* 32 bit stack segment */ |
87 | int cc_op; /* current CC operation */ | |
88 | int addseg; /* non zero if either DS/ES/SS have a non zero base */ | |
89 | int f_st; /* currently unused */ | |
90 | int vm86; /* vm86 mode */ | |
91 | int cpl; | |
92 | int iopl; | |
93 | int tf; /* TF cpu flag */ | |
34865134 | 94 | int singlestep_enabled; /* "hardware" single step enabled */ |
2c0262af FB |
95 | int jmp_opt; /* use direct block chaining for direct jumps */ |
96 | int mem_index; /* select memory access functions */ | |
c068688b | 97 | uint64_t flags; /* all execution flags */ |
2c0262af FB |
98 | struct TranslationBlock *tb; |
99 | int popl_esp_hack; /* for correct popl with esp base handling */ | |
14ce26e7 FB |
100 | int rip_offset; /* only used in x86_64, but left for simplicity */ |
101 | int cpuid_features; | |
3d7374c5 | 102 | int cpuid_ext_features; |
2c0262af FB |
103 | } DisasContext; |
104 | ||
105 | static void gen_eob(DisasContext *s); | |
14ce26e7 FB |
106 | static void gen_jmp(DisasContext *s, target_ulong eip); |
107 | static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); | |
2c0262af FB |
108 | |
109 | /* i386 arith/logic operations */ | |
110 | enum { | |
5fafdf24 TS |
111 | OP_ADDL, |
112 | OP_ORL, | |
113 | OP_ADCL, | |
2c0262af | 114 | OP_SBBL, |
5fafdf24 TS |
115 | OP_ANDL, |
116 | OP_SUBL, | |
117 | OP_XORL, | |
2c0262af FB |
118 | OP_CMPL, |
119 | }; | |
120 | ||
121 | /* i386 shift ops */ | |
122 | enum { | |
5fafdf24 TS |
123 | OP_ROL, |
124 | OP_ROR, | |
125 | OP_RCL, | |
126 | OP_RCR, | |
127 | OP_SHL, | |
128 | OP_SHR, | |
2c0262af FB |
129 | OP_SHL1, /* undocumented */ |
130 | OP_SAR = 7, | |
131 | }; | |
132 | ||
2c0262af FB |
133 | /* operand size */ |
134 | enum { | |
135 | OT_BYTE = 0, | |
136 | OT_WORD, | |
5fafdf24 | 137 | OT_LONG, |
2c0262af FB |
138 | OT_QUAD, |
139 | }; | |
140 | ||
141 | enum { | |
142 | /* I386 int registers */ | |
143 | OR_EAX, /* MUST be even numbered */ | |
144 | OR_ECX, | |
145 | OR_EDX, | |
146 | OR_EBX, | |
147 | OR_ESP, | |
148 | OR_EBP, | |
149 | OR_ESI, | |
150 | OR_EDI, | |
14ce26e7 FB |
151 | |
152 | OR_TMP0 = 16, /* temporary operand register */ | |
2c0262af FB |
153 | OR_TMP1, |
154 | OR_A0, /* temporary register used when doing address evaluation */ | |
2c0262af FB |
155 | }; |
156 | ||
57fec1fe FB |
157 | static inline void gen_op_movl_T0_0(void) |
158 | { | |
159 | tcg_gen_movi_tl(cpu_T[0], 0); | |
160 | } | |
161 | ||
162 | static inline void gen_op_movl_T0_im(int32_t val) | |
163 | { | |
164 | tcg_gen_movi_tl(cpu_T[0], val); | |
165 | } | |
166 | ||
167 | static inline void gen_op_movl_T0_imu(uint32_t val) | |
168 | { | |
169 | tcg_gen_movi_tl(cpu_T[0], val); | |
170 | } | |
171 | ||
172 | static inline void gen_op_movl_T1_im(int32_t val) | |
173 | { | |
174 | tcg_gen_movi_tl(cpu_T[1], val); | |
175 | } | |
176 | ||
177 | static inline void gen_op_movl_T1_imu(uint32_t val) | |
178 | { | |
179 | tcg_gen_movi_tl(cpu_T[1], val); | |
180 | } | |
181 | ||
182 | static inline void gen_op_movl_A0_im(uint32_t val) | |
183 | { | |
184 | tcg_gen_movi_tl(cpu_A0, val); | |
185 | } | |
186 | ||
187 | #ifdef TARGET_X86_64 | |
188 | static inline void gen_op_movq_A0_im(int64_t val) | |
189 | { | |
190 | tcg_gen_movi_tl(cpu_A0, val); | |
191 | } | |
192 | #endif | |
193 | ||
194 | static inline void gen_movtl_T0_im(target_ulong val) | |
195 | { | |
196 | tcg_gen_movi_tl(cpu_T[0], val); | |
197 | } | |
198 | ||
199 | static inline void gen_movtl_T1_im(target_ulong val) | |
200 | { | |
201 | tcg_gen_movi_tl(cpu_T[1], val); | |
202 | } | |
203 | ||
204 | static inline void gen_op_andl_T0_ffff(void) | |
205 | { | |
206 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); | |
207 | } | |
208 | ||
209 | static inline void gen_op_andl_T0_im(uint32_t val) | |
210 | { | |
211 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], val); | |
212 | } | |
213 | ||
214 | static inline void gen_op_movl_T0_T1(void) | |
215 | { | |
216 | tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); | |
217 | } | |
218 | ||
219 | static inline void gen_op_andl_A0_ffff(void) | |
220 | { | |
221 | tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffff); | |
222 | } | |
223 | ||
14ce26e7 FB |
224 | #ifdef TARGET_X86_64 |
225 | ||
226 | #define NB_OP_SIZES 4 | |
227 | ||
228 | #define DEF_REGS(prefix, suffix) \ | |
229 | prefix ## EAX ## suffix,\ | |
230 | prefix ## ECX ## suffix,\ | |
231 | prefix ## EDX ## suffix,\ | |
232 | prefix ## EBX ## suffix,\ | |
233 | prefix ## ESP ## suffix,\ | |
234 | prefix ## EBP ## suffix,\ | |
235 | prefix ## ESI ## suffix,\ | |
236 | prefix ## EDI ## suffix,\ | |
237 | prefix ## R8 ## suffix,\ | |
238 | prefix ## R9 ## suffix,\ | |
239 | prefix ## R10 ## suffix,\ | |
240 | prefix ## R11 ## suffix,\ | |
241 | prefix ## R12 ## suffix,\ | |
242 | prefix ## R13 ## suffix,\ | |
243 | prefix ## R14 ## suffix,\ | |
244 | prefix ## R15 ## suffix, | |
245 | ||
14ce26e7 FB |
246 | #else /* !TARGET_X86_64 */ |
247 | ||
248 | #define NB_OP_SIZES 3 | |
249 | ||
250 | #define DEF_REGS(prefix, suffix) \ | |
251 | prefix ## EAX ## suffix,\ | |
252 | prefix ## ECX ## suffix,\ | |
253 | prefix ## EDX ## suffix,\ | |
254 | prefix ## EBX ## suffix,\ | |
255 | prefix ## ESP ## suffix,\ | |
256 | prefix ## EBP ## suffix,\ | |
257 | prefix ## ESI ## suffix,\ | |
258 | prefix ## EDI ## suffix, | |
259 | ||
260 | #endif /* !TARGET_X86_64 */ | |
261 | ||
57fec1fe FB |
262 | #if defined(WORDS_BIGENDIAN) |
263 | #define REG_B_OFFSET (sizeof(target_ulong) - 1) | |
264 | #define REG_H_OFFSET (sizeof(target_ulong) - 2) | |
265 | #define REG_W_OFFSET (sizeof(target_ulong) - 2) | |
266 | #define REG_L_OFFSET (sizeof(target_ulong) - 4) | |
267 | #define REG_LH_OFFSET (sizeof(target_ulong) - 8) | |
14ce26e7 | 268 | #else |
57fec1fe FB |
269 | #define REG_B_OFFSET 0 |
270 | #define REG_H_OFFSET 1 | |
271 | #define REG_W_OFFSET 0 | |
272 | #define REG_L_OFFSET 0 | |
273 | #define REG_LH_OFFSET 4 | |
14ce26e7 | 274 | #endif |
57fec1fe FB |
275 | |
276 | static inline void gen_op_mov_reg_TN(int ot, int t_index, int reg) | |
277 | { | |
278 | switch(ot) { | |
279 | case OT_BYTE: | |
280 | if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { | |
281 | tcg_gen_st8_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_B_OFFSET); | |
282 | } else { | |
283 | tcg_gen_st8_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET); | |
284 | } | |
285 | break; | |
286 | case OT_WORD: | |
287 | tcg_gen_st16_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); | |
288 | break; | |
14ce26e7 | 289 | #ifdef TARGET_X86_64 |
57fec1fe FB |
290 | case OT_LONG: |
291 | tcg_gen_st32_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); | |
292 | /* high part of register set to zero */ | |
293 | tcg_gen_movi_tl(cpu_tmp0, 0); | |
294 | tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); | |
295 | break; | |
296 | default: | |
297 | case OT_QUAD: | |
298 | tcg_gen_st_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg])); | |
299 | break; | |
300 | #else | |
301 | default: | |
302 | case OT_LONG: | |
303 | tcg_gen_st32_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); | |
304 | break; | |
14ce26e7 | 305 | #endif |
57fec1fe FB |
306 | } |
307 | } | |
2c0262af | 308 | |
57fec1fe FB |
309 | static inline void gen_op_mov_reg_T0(int ot, int reg) |
310 | { | |
311 | gen_op_mov_reg_TN(ot, 0, reg); | |
312 | } | |
313 | ||
314 | static inline void gen_op_mov_reg_T1(int ot, int reg) | |
315 | { | |
316 | gen_op_mov_reg_TN(ot, 1, reg); | |
317 | } | |
318 | ||
319 | static inline void gen_op_mov_reg_A0(int size, int reg) | |
320 | { | |
321 | switch(size) { | |
322 | case 0: | |
323 | tcg_gen_st16_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); | |
324 | break; | |
14ce26e7 | 325 | #ifdef TARGET_X86_64 |
57fec1fe FB |
326 | case 1: |
327 | tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); | |
328 | /* high part of register set to zero */ | |
329 | tcg_gen_movi_tl(cpu_tmp0, 0); | |
330 | tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); | |
331 | break; | |
332 | default: | |
333 | case 2: | |
334 | tcg_gen_st_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); | |
335 | break; | |
14ce26e7 | 336 | #else |
57fec1fe FB |
337 | default: |
338 | case 1: | |
339 | tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); | |
340 | break; | |
14ce26e7 | 341 | #endif |
57fec1fe FB |
342 | } |
343 | } | |
344 | ||
345 | static inline void gen_op_mov_TN_reg(int ot, int t_index, int reg) | |
346 | { | |
347 | switch(ot) { | |
348 | case OT_BYTE: | |
349 | if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { | |
350 | goto std_case; | |
351 | } else { | |
352 | tcg_gen_ld8u_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET); | |
353 | } | |
354 | break; | |
355 | default: | |
356 | std_case: | |
357 | tcg_gen_ld_tl(cpu_T[t_index], cpu_env, offsetof(CPUState, regs[reg])); | |
358 | break; | |
359 | } | |
360 | } | |
361 | ||
362 | static inline void gen_op_movl_A0_reg(int reg) | |
363 | { | |
364 | tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); | |
365 | } | |
366 | ||
367 | static inline void gen_op_addl_A0_im(int32_t val) | |
368 | { | |
369 | tcg_gen_addi_tl(cpu_A0, cpu_A0, val); | |
14ce26e7 | 370 | #ifdef TARGET_X86_64 |
57fec1fe | 371 | tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); |
14ce26e7 | 372 | #endif |
57fec1fe | 373 | } |
2c0262af | 374 | |
14ce26e7 | 375 | #ifdef TARGET_X86_64 |
57fec1fe FB |
376 | static inline void gen_op_addq_A0_im(int64_t val) |
377 | { | |
378 | tcg_gen_addi_tl(cpu_A0, cpu_A0, val); | |
379 | } | |
14ce26e7 | 380 | #endif |
57fec1fe FB |
381 | |
382 | static void gen_add_A0_im(DisasContext *s, int val) | |
383 | { | |
384 | #ifdef TARGET_X86_64 | |
385 | if (CODE64(s)) | |
386 | gen_op_addq_A0_im(val); | |
387 | else | |
388 | #endif | |
389 | gen_op_addl_A0_im(val); | |
390 | } | |
2c0262af | 391 | |
57fec1fe | 392 | static inline void gen_op_addl_T0_T1(void) |
2c0262af | 393 | { |
57fec1fe FB |
394 | tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
395 | } | |
396 | ||
397 | static inline void gen_op_jmp_T0(void) | |
398 | { | |
399 | tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip)); | |
400 | } | |
401 | ||
402 | static inline void gen_op_addw_ESP_im(int32_t val) | |
403 | { | |
404 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); | |
405 | tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); | |
406 | tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP]) + REG_W_OFFSET); | |
407 | } | |
408 | ||
409 | static inline void gen_op_addl_ESP_im(int32_t val) | |
410 | { | |
411 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); | |
412 | tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); | |
14ce26e7 | 413 | #ifdef TARGET_X86_64 |
57fec1fe | 414 | tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff); |
14ce26e7 | 415 | #endif |
57fec1fe FB |
416 | tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); |
417 | } | |
418 | ||
14ce26e7 | 419 | #ifdef TARGET_X86_64 |
57fec1fe FB |
420 | static inline void gen_op_addq_ESP_im(int32_t val) |
421 | { | |
422 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); | |
423 | tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); | |
424 | tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ESP])); | |
425 | } | |
14ce26e7 | 426 | #endif |
57fec1fe FB |
427 | |
428 | static inline void gen_op_set_cc_op(int32_t val) | |
429 | { | |
430 | tcg_gen_movi_tl(cpu_tmp0, val); | |
431 | tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, cc_op)); | |
432 | } | |
433 | ||
434 | static inline void gen_op_addl_A0_reg_sN(int shift, int reg) | |
435 | { | |
436 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); | |
437 | if (shift != 0) | |
438 | tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); | |
439 | tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); | |
14ce26e7 | 440 | #ifdef TARGET_X86_64 |
57fec1fe | 441 | tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); |
14ce26e7 | 442 | #endif |
57fec1fe | 443 | } |
2c0262af | 444 | |
57fec1fe FB |
445 | static inline void gen_op_movl_A0_seg(int reg) |
446 | { | |
447 | tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET); | |
448 | } | |
2c0262af | 449 | |
57fec1fe FB |
450 | static inline void gen_op_addl_A0_seg(int reg) |
451 | { | |
452 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); | |
453 | tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); | |
454 | #ifdef TARGET_X86_64 | |
455 | tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff); | |
456 | #endif | |
457 | } | |
2c0262af | 458 | |
14ce26e7 | 459 | #ifdef TARGET_X86_64 |
57fec1fe FB |
460 | static inline void gen_op_movq_A0_seg(int reg) |
461 | { | |
462 | tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base)); | |
463 | } | |
14ce26e7 | 464 | |
57fec1fe FB |
465 | static inline void gen_op_addq_A0_seg(int reg) |
466 | { | |
467 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); | |
468 | tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); | |
469 | } | |
470 | ||
471 | static inline void gen_op_movq_A0_reg(int reg) | |
472 | { | |
473 | tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); | |
474 | } | |
475 | ||
476 | static inline void gen_op_addq_A0_reg_sN(int shift, int reg) | |
477 | { | |
478 | tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); | |
479 | if (shift != 0) | |
480 | tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); | |
481 | tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); | |
482 | } | |
14ce26e7 FB |
483 | #endif |
484 | ||
485 | static GenOpFunc *gen_op_cmov_reg_T1_T0[NB_OP_SIZES - 1][CPU_NB_REGS] = { | |
486 | [0] = { | |
487 | DEF_REGS(gen_op_cmovw_, _T1_T0) | |
488 | }, | |
489 | [1] = { | |
490 | DEF_REGS(gen_op_cmovl_, _T1_T0) | |
491 | }, | |
492 | #ifdef TARGET_X86_64 | |
493 | [2] = { | |
494 | DEF_REGS(gen_op_cmovq_, _T1_T0) | |
495 | }, | |
496 | #endif | |
497 | }; | |
2c0262af | 498 | |
4f31916f FB |
499 | #define DEF_ARITHC(SUFFIX)\ |
500 | {\ | |
501 | gen_op_adcb ## SUFFIX ## _T0_T1_cc,\ | |
502 | gen_op_sbbb ## SUFFIX ## _T0_T1_cc,\ | |
503 | },\ | |
504 | {\ | |
505 | gen_op_adcw ## SUFFIX ## _T0_T1_cc,\ | |
506 | gen_op_sbbw ## SUFFIX ## _T0_T1_cc,\ | |
507 | },\ | |
508 | {\ | |
509 | gen_op_adcl ## SUFFIX ## _T0_T1_cc,\ | |
510 | gen_op_sbbl ## SUFFIX ## _T0_T1_cc,\ | |
14ce26e7 FB |
511 | },\ |
512 | {\ | |
513 | X86_64_ONLY(gen_op_adcq ## SUFFIX ## _T0_T1_cc),\ | |
514 | X86_64_ONLY(gen_op_sbbq ## SUFFIX ## _T0_T1_cc),\ | |
2c0262af | 515 | }, |
4f31916f | 516 | |
14ce26e7 | 517 | static GenOpFunc *gen_op_arithc_T0_T1_cc[4][2] = { |
4bb2fcc7 | 518 | DEF_ARITHC( ) |
2c0262af FB |
519 | }; |
520 | ||
14ce26e7 | 521 | static GenOpFunc *gen_op_arithc_mem_T0_T1_cc[3 * 4][2] = { |
4f31916f FB |
522 | DEF_ARITHC(_raw) |
523 | #ifndef CONFIG_USER_ONLY | |
524 | DEF_ARITHC(_kernel) | |
525 | DEF_ARITHC(_user) | |
526 | #endif | |
2c0262af FB |
527 | }; |
528 | ||
529 | static const int cc_op_arithb[8] = { | |
530 | CC_OP_ADDB, | |
531 | CC_OP_LOGICB, | |
532 | CC_OP_ADDB, | |
533 | CC_OP_SUBB, | |
534 | CC_OP_LOGICB, | |
535 | CC_OP_SUBB, | |
536 | CC_OP_LOGICB, | |
537 | CC_OP_SUBB, | |
538 | }; | |
539 | ||
4f31916f FB |
540 | #define DEF_CMPXCHG(SUFFIX)\ |
541 | gen_op_cmpxchgb ## SUFFIX ## _T0_T1_EAX_cc,\ | |
542 | gen_op_cmpxchgw ## SUFFIX ## _T0_T1_EAX_cc,\ | |
14ce26e7 FB |
543 | gen_op_cmpxchgl ## SUFFIX ## _T0_T1_EAX_cc,\ |
544 | X86_64_ONLY(gen_op_cmpxchgq ## SUFFIX ## _T0_T1_EAX_cc), | |
4f31916f | 545 | |
14ce26e7 | 546 | static GenOpFunc *gen_op_cmpxchg_T0_T1_EAX_cc[4] = { |
4bb2fcc7 | 547 | DEF_CMPXCHG( ) |
2c0262af FB |
548 | }; |
549 | ||
14ce26e7 | 550 | static GenOpFunc *gen_op_cmpxchg_mem_T0_T1_EAX_cc[3 * 4] = { |
4f31916f FB |
551 | DEF_CMPXCHG(_raw) |
552 | #ifndef CONFIG_USER_ONLY | |
553 | DEF_CMPXCHG(_kernel) | |
554 | DEF_CMPXCHG(_user) | |
555 | #endif | |
2c0262af FB |
556 | }; |
557 | ||
4f31916f FB |
558 | #define DEF_SHIFT(SUFFIX)\ |
559 | {\ | |
560 | gen_op_rolb ## SUFFIX ## _T0_T1_cc,\ | |
561 | gen_op_rorb ## SUFFIX ## _T0_T1_cc,\ | |
562 | gen_op_rclb ## SUFFIX ## _T0_T1_cc,\ | |
563 | gen_op_rcrb ## SUFFIX ## _T0_T1_cc,\ | |
564 | gen_op_shlb ## SUFFIX ## _T0_T1_cc,\ | |
565 | gen_op_shrb ## SUFFIX ## _T0_T1_cc,\ | |
566 | gen_op_shlb ## SUFFIX ## _T0_T1_cc,\ | |
567 | gen_op_sarb ## SUFFIX ## _T0_T1_cc,\ | |
568 | },\ | |
569 | {\ | |
570 | gen_op_rolw ## SUFFIX ## _T0_T1_cc,\ | |
571 | gen_op_rorw ## SUFFIX ## _T0_T1_cc,\ | |
572 | gen_op_rclw ## SUFFIX ## _T0_T1_cc,\ | |
573 | gen_op_rcrw ## SUFFIX ## _T0_T1_cc,\ | |
574 | gen_op_shlw ## SUFFIX ## _T0_T1_cc,\ | |
575 | gen_op_shrw ## SUFFIX ## _T0_T1_cc,\ | |
576 | gen_op_shlw ## SUFFIX ## _T0_T1_cc,\ | |
577 | gen_op_sarw ## SUFFIX ## _T0_T1_cc,\ | |
578 | },\ | |
579 | {\ | |
580 | gen_op_roll ## SUFFIX ## _T0_T1_cc,\ | |
581 | gen_op_rorl ## SUFFIX ## _T0_T1_cc,\ | |
582 | gen_op_rcll ## SUFFIX ## _T0_T1_cc,\ | |
583 | gen_op_rcrl ## SUFFIX ## _T0_T1_cc,\ | |
584 | gen_op_shll ## SUFFIX ## _T0_T1_cc,\ | |
585 | gen_op_shrl ## SUFFIX ## _T0_T1_cc,\ | |
586 | gen_op_shll ## SUFFIX ## _T0_T1_cc,\ | |
587 | gen_op_sarl ## SUFFIX ## _T0_T1_cc,\ | |
14ce26e7 FB |
588 | },\ |
589 | {\ | |
590 | X86_64_ONLY(gen_op_rolq ## SUFFIX ## _T0_T1_cc),\ | |
591 | X86_64_ONLY(gen_op_rorq ## SUFFIX ## _T0_T1_cc),\ | |
592 | X86_64_ONLY(gen_op_rclq ## SUFFIX ## _T0_T1_cc),\ | |
593 | X86_64_ONLY(gen_op_rcrq ## SUFFIX ## _T0_T1_cc),\ | |
594 | X86_64_ONLY(gen_op_shlq ## SUFFIX ## _T0_T1_cc),\ | |
595 | X86_64_ONLY(gen_op_shrq ## SUFFIX ## _T0_T1_cc),\ | |
596 | X86_64_ONLY(gen_op_shlq ## SUFFIX ## _T0_T1_cc),\ | |
597 | X86_64_ONLY(gen_op_sarq ## SUFFIX ## _T0_T1_cc),\ | |
2c0262af | 598 | }, |
4f31916f | 599 | |
14ce26e7 | 600 | static GenOpFunc *gen_op_shift_T0_T1_cc[4][8] = { |
4bb2fcc7 | 601 | DEF_SHIFT( ) |
2c0262af FB |
602 | }; |
603 | ||
14ce26e7 | 604 | static GenOpFunc *gen_op_shift_mem_T0_T1_cc[3 * 4][8] = { |
4f31916f FB |
605 | DEF_SHIFT(_raw) |
606 | #ifndef CONFIG_USER_ONLY | |
607 | DEF_SHIFT(_kernel) | |
608 | DEF_SHIFT(_user) | |
609 | #endif | |
2c0262af FB |
610 | }; |
611 | ||
4f31916f FB |
612 | #define DEF_SHIFTD(SUFFIX, op)\ |
613 | {\ | |
614 | NULL,\ | |
615 | NULL,\ | |
616 | },\ | |
617 | {\ | |
618 | gen_op_shldw ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
619 | gen_op_shrdw ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
31313213 | 620 | },\ |
4f31916f FB |
621 | {\ |
622 | gen_op_shldl ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
623 | gen_op_shrdl ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
14ce26e7 FB |
624 | },\ |
625 | {\ | |
31313213 FB |
626 | X86_64_DEF(gen_op_shldq ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
627 | gen_op_shrdq ## SUFFIX ## _T0_T1_ ## op ## _cc,)\ | |
2c0262af | 628 | }, |
4f31916f | 629 | |
14ce26e7 | 630 | static GenOpFunc1 *gen_op_shiftd_T0_T1_im_cc[4][2] = { |
4f31916f | 631 | DEF_SHIFTD(, im) |
2c0262af FB |
632 | }; |
633 | ||
14ce26e7 | 634 | static GenOpFunc *gen_op_shiftd_T0_T1_ECX_cc[4][2] = { |
4f31916f | 635 | DEF_SHIFTD(, ECX) |
2c0262af FB |
636 | }; |
637 | ||
14ce26e7 | 638 | static GenOpFunc1 *gen_op_shiftd_mem_T0_T1_im_cc[3 * 4][2] = { |
4f31916f FB |
639 | DEF_SHIFTD(_raw, im) |
640 | #ifndef CONFIG_USER_ONLY | |
641 | DEF_SHIFTD(_kernel, im) | |
642 | DEF_SHIFTD(_user, im) | |
643 | #endif | |
2c0262af FB |
644 | }; |
645 | ||
14ce26e7 | 646 | static GenOpFunc *gen_op_shiftd_mem_T0_T1_ECX_cc[3 * 4][2] = { |
4f31916f FB |
647 | DEF_SHIFTD(_raw, ECX) |
648 | #ifndef CONFIG_USER_ONLY | |
649 | DEF_SHIFTD(_kernel, ECX) | |
650 | DEF_SHIFTD(_user, ECX) | |
651 | #endif | |
2c0262af FB |
652 | }; |
653 | ||
14ce26e7 | 654 | static GenOpFunc *gen_op_btx_T0_T1_cc[3][4] = { |
2c0262af FB |
655 | [0] = { |
656 | gen_op_btw_T0_T1_cc, | |
657 | gen_op_btsw_T0_T1_cc, | |
658 | gen_op_btrw_T0_T1_cc, | |
659 | gen_op_btcw_T0_T1_cc, | |
660 | }, | |
661 | [1] = { | |
662 | gen_op_btl_T0_T1_cc, | |
663 | gen_op_btsl_T0_T1_cc, | |
664 | gen_op_btrl_T0_T1_cc, | |
665 | gen_op_btcl_T0_T1_cc, | |
666 | }, | |
14ce26e7 FB |
667 | #ifdef TARGET_X86_64 |
668 | [2] = { | |
669 | gen_op_btq_T0_T1_cc, | |
670 | gen_op_btsq_T0_T1_cc, | |
671 | gen_op_btrq_T0_T1_cc, | |
672 | gen_op_btcq_T0_T1_cc, | |
673 | }, | |
674 | #endif | |
675 | }; | |
676 | ||
677 | static GenOpFunc *gen_op_add_bit_A0_T1[3] = { | |
678 | gen_op_add_bitw_A0_T1, | |
679 | gen_op_add_bitl_A0_T1, | |
680 | X86_64_ONLY(gen_op_add_bitq_A0_T1), | |
2c0262af FB |
681 | }; |
682 | ||
14ce26e7 | 683 | static GenOpFunc *gen_op_bsx_T0_cc[3][2] = { |
2c0262af FB |
684 | [0] = { |
685 | gen_op_bsfw_T0_cc, | |
686 | gen_op_bsrw_T0_cc, | |
687 | }, | |
688 | [1] = { | |
689 | gen_op_bsfl_T0_cc, | |
690 | gen_op_bsrl_T0_cc, | |
691 | }, | |
14ce26e7 FB |
692 | #ifdef TARGET_X86_64 |
693 | [2] = { | |
694 | gen_op_bsfq_T0_cc, | |
695 | gen_op_bsrq_T0_cc, | |
696 | }, | |
697 | #endif | |
2c0262af FB |
698 | }; |
699 | ||
57fec1fe FB |
700 | static inline void gen_op_lds_T0_A0(int idx) |
701 | { | |
702 | int mem_index = (idx >> 2) - 1; | |
703 | switch(idx & 3) { | |
704 | case 0: | |
705 | tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index); | |
706 | break; | |
707 | case 1: | |
708 | tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index); | |
709 | break; | |
710 | default: | |
711 | case 2: | |
712 | tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index); | |
713 | break; | |
714 | } | |
715 | } | |
2c0262af FB |
716 | |
717 | /* sign does not matter, except for lidt/lgdt call (TODO: fix it) */ | |
57fec1fe FB |
718 | static inline void gen_op_ld_T0_A0(int idx) |
719 | { | |
720 | int mem_index = (idx >> 2) - 1; | |
721 | switch(idx & 3) { | |
722 | case 0: | |
723 | tcg_gen_qemu_ld8u(cpu_T[0], cpu_A0, mem_index); | |
724 | break; | |
725 | case 1: | |
726 | tcg_gen_qemu_ld16u(cpu_T[0], cpu_A0, mem_index); | |
727 | break; | |
728 | case 2: | |
729 | tcg_gen_qemu_ld32u(cpu_T[0], cpu_A0, mem_index); | |
730 | break; | |
731 | default: | |
732 | case 3: | |
733 | tcg_gen_qemu_ld64(cpu_T[0], cpu_A0, mem_index); | |
734 | break; | |
735 | } | |
736 | } | |
2c0262af | 737 | |
57fec1fe FB |
738 | static inline void gen_op_ldu_T0_A0(int idx) |
739 | { | |
740 | gen_op_ld_T0_A0(idx); | |
741 | } | |
2c0262af | 742 | |
57fec1fe FB |
743 | static inline void gen_op_ld_T1_A0(int idx) |
744 | { | |
745 | int mem_index = (idx >> 2) - 1; | |
746 | switch(idx & 3) { | |
747 | case 0: | |
748 | tcg_gen_qemu_ld8u(cpu_T[1], cpu_A0, mem_index); | |
749 | break; | |
750 | case 1: | |
751 | tcg_gen_qemu_ld16u(cpu_T[1], cpu_A0, mem_index); | |
752 | break; | |
753 | case 2: | |
754 | tcg_gen_qemu_ld32u(cpu_T[1], cpu_A0, mem_index); | |
755 | break; | |
756 | default: | |
757 | case 3: | |
758 | tcg_gen_qemu_ld64(cpu_T[1], cpu_A0, mem_index); | |
759 | break; | |
760 | } | |
761 | } | |
4f31916f | 762 | |
57fec1fe FB |
763 | static inline void gen_op_st_T0_A0(int idx) |
764 | { | |
765 | int mem_index = (idx >> 2) - 1; | |
766 | switch(idx & 3) { | |
767 | case 0: | |
768 | tcg_gen_qemu_st8(cpu_T[0], cpu_A0, mem_index); | |
769 | break; | |
770 | case 1: | |
771 | tcg_gen_qemu_st16(cpu_T[0], cpu_A0, mem_index); | |
772 | break; | |
773 | case 2: | |
774 | tcg_gen_qemu_st32(cpu_T[0], cpu_A0, mem_index); | |
775 | break; | |
776 | default: | |
777 | case 3: | |
778 | tcg_gen_qemu_st64(cpu_T[0], cpu_A0, mem_index); | |
779 | break; | |
780 | } | |
781 | } | |
4f31916f | 782 | |
57fec1fe FB |
783 | static inline void gen_op_st_T1_A0(int idx) |
784 | { | |
785 | int mem_index = (idx >> 2) - 1; | |
786 | switch(idx & 3) { | |
787 | case 0: | |
788 | tcg_gen_qemu_st8(cpu_T[1], cpu_A0, mem_index); | |
789 | break; | |
790 | case 1: | |
791 | tcg_gen_qemu_st16(cpu_T[1], cpu_A0, mem_index); | |
792 | break; | |
793 | case 2: | |
794 | tcg_gen_qemu_st32(cpu_T[1], cpu_A0, mem_index); | |
795 | break; | |
796 | default: | |
797 | case 3: | |
798 | tcg_gen_qemu_st64(cpu_T[1], cpu_A0, mem_index); | |
799 | break; | |
800 | } | |
801 | } | |
4f31916f | 802 | |
14ce26e7 FB |
803 | static inline void gen_jmp_im(target_ulong pc) |
804 | { | |
57fec1fe FB |
805 | tcg_gen_movi_tl(cpu_tmp0, pc); |
806 | tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip)); | |
14ce26e7 FB |
807 | } |
808 | ||
2c0262af FB |
809 | static inline void gen_string_movl_A0_ESI(DisasContext *s) |
810 | { | |
811 | int override; | |
812 | ||
813 | override = s->override; | |
14ce26e7 FB |
814 | #ifdef TARGET_X86_64 |
815 | if (s->aflag == 2) { | |
816 | if (override >= 0) { | |
57fec1fe FB |
817 | gen_op_movq_A0_seg(override); |
818 | gen_op_addq_A0_reg_sN(0, R_ESI); | |
14ce26e7 | 819 | } else { |
57fec1fe | 820 | gen_op_movq_A0_reg(R_ESI); |
14ce26e7 FB |
821 | } |
822 | } else | |
823 | #endif | |
2c0262af FB |
824 | if (s->aflag) { |
825 | /* 32 bit address */ | |
826 | if (s->addseg && override < 0) | |
827 | override = R_DS; | |
828 | if (override >= 0) { | |
57fec1fe FB |
829 | gen_op_movl_A0_seg(override); |
830 | gen_op_addl_A0_reg_sN(0, R_ESI); | |
2c0262af | 831 | } else { |
57fec1fe | 832 | gen_op_movl_A0_reg(R_ESI); |
2c0262af FB |
833 | } |
834 | } else { | |
835 | /* 16 address, always override */ | |
836 | if (override < 0) | |
837 | override = R_DS; | |
57fec1fe | 838 | gen_op_movl_A0_reg(R_ESI); |
2c0262af | 839 | gen_op_andl_A0_ffff(); |
57fec1fe | 840 | gen_op_addl_A0_seg(override); |
2c0262af FB |
841 | } |
842 | } | |
843 | ||
844 | static inline void gen_string_movl_A0_EDI(DisasContext *s) | |
845 | { | |
14ce26e7 FB |
846 | #ifdef TARGET_X86_64 |
847 | if (s->aflag == 2) { | |
57fec1fe | 848 | gen_op_movq_A0_reg(R_EDI); |
14ce26e7 FB |
849 | } else |
850 | #endif | |
2c0262af FB |
851 | if (s->aflag) { |
852 | if (s->addseg) { | |
57fec1fe FB |
853 | gen_op_movl_A0_seg(R_ES); |
854 | gen_op_addl_A0_reg_sN(0, R_EDI); | |
2c0262af | 855 | } else { |
57fec1fe | 856 | gen_op_movl_A0_reg(R_EDI); |
2c0262af FB |
857 | } |
858 | } else { | |
57fec1fe | 859 | gen_op_movl_A0_reg(R_EDI); |
2c0262af | 860 | gen_op_andl_A0_ffff(); |
57fec1fe | 861 | gen_op_addl_A0_seg(R_ES); |
2c0262af FB |
862 | } |
863 | } | |
864 | ||
14ce26e7 | 865 | static GenOpFunc *gen_op_movl_T0_Dshift[4] = { |
2c0262af FB |
866 | gen_op_movl_T0_Dshiftb, |
867 | gen_op_movl_T0_Dshiftw, | |
868 | gen_op_movl_T0_Dshiftl, | |
14ce26e7 | 869 | X86_64_ONLY(gen_op_movl_T0_Dshiftq), |
2c0262af FB |
870 | }; |
871 | ||
14ce26e7 FB |
872 | static GenOpFunc1 *gen_op_jnz_ecx[3] = { |
873 | gen_op_jnz_ecxw, | |
874 | gen_op_jnz_ecxl, | |
875 | X86_64_ONLY(gen_op_jnz_ecxq), | |
2c0262af | 876 | }; |
3b46e624 | 877 | |
14ce26e7 FB |
878 | static GenOpFunc1 *gen_op_jz_ecx[3] = { |
879 | gen_op_jz_ecxw, | |
880 | gen_op_jz_ecxl, | |
881 | X86_64_ONLY(gen_op_jz_ecxq), | |
2c0262af FB |
882 | }; |
883 | ||
14ce26e7 | 884 | static GenOpFunc *gen_op_dec_ECX[3] = { |
2c0262af FB |
885 | gen_op_decw_ECX, |
886 | gen_op_decl_ECX, | |
14ce26e7 | 887 | X86_64_ONLY(gen_op_decq_ECX), |
2c0262af FB |
888 | }; |
889 | ||
14ce26e7 | 890 | static GenOpFunc1 *gen_op_string_jnz_sub[2][4] = { |
2c0262af | 891 | { |
14ce26e7 FB |
892 | gen_op_jnz_subb, |
893 | gen_op_jnz_subw, | |
894 | gen_op_jnz_subl, | |
895 | X86_64_ONLY(gen_op_jnz_subq), | |
2c0262af FB |
896 | }, |
897 | { | |
14ce26e7 FB |
898 | gen_op_jz_subb, |
899 | gen_op_jz_subw, | |
900 | gen_op_jz_subl, | |
901 | X86_64_ONLY(gen_op_jz_subq), | |
2c0262af FB |
902 | }, |
903 | }; | |
904 | ||
905 | static GenOpFunc *gen_op_in_DX_T0[3] = { | |
906 | gen_op_inb_DX_T0, | |
907 | gen_op_inw_DX_T0, | |
908 | gen_op_inl_DX_T0, | |
909 | }; | |
910 | ||
911 | static GenOpFunc *gen_op_out_DX_T0[3] = { | |
912 | gen_op_outb_DX_T0, | |
913 | gen_op_outw_DX_T0, | |
914 | gen_op_outl_DX_T0, | |
915 | }; | |
916 | ||
f115e911 FB |
917 | static GenOpFunc *gen_op_in[3] = { |
918 | gen_op_inb_T0_T1, | |
919 | gen_op_inw_T0_T1, | |
920 | gen_op_inl_T0_T1, | |
921 | }; | |
922 | ||
923 | static GenOpFunc *gen_op_out[3] = { | |
924 | gen_op_outb_T0_T1, | |
925 | gen_op_outw_T0_T1, | |
926 | gen_op_outl_T0_T1, | |
927 | }; | |
928 | ||
929 | static GenOpFunc *gen_check_io_T0[3] = { | |
930 | gen_op_check_iob_T0, | |
931 | gen_op_check_iow_T0, | |
932 | gen_op_check_iol_T0, | |
933 | }; | |
934 | ||
935 | static GenOpFunc *gen_check_io_DX[3] = { | |
936 | gen_op_check_iob_DX, | |
937 | gen_op_check_iow_DX, | |
938 | gen_op_check_iol_DX, | |
939 | }; | |
940 | ||
14ce26e7 | 941 | static void gen_check_io(DisasContext *s, int ot, int use_dx, target_ulong cur_eip) |
f115e911 FB |
942 | { |
943 | if (s->pe && (s->cpl > s->iopl || s->vm86)) { | |
944 | if (s->cc_op != CC_OP_DYNAMIC) | |
945 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 946 | gen_jmp_im(cur_eip); |
f115e911 FB |
947 | if (use_dx) |
948 | gen_check_io_DX[ot](); | |
949 | else | |
950 | gen_check_io_T0[ot](); | |
951 | } | |
952 | } | |
953 | ||
2c0262af FB |
954 | static inline void gen_movs(DisasContext *s, int ot) |
955 | { | |
956 | gen_string_movl_A0_ESI(s); | |
57fec1fe | 957 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 958 | gen_string_movl_A0_EDI(s); |
57fec1fe | 959 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 960 | gen_op_movl_T0_Dshift[ot](); |
14ce26e7 FB |
961 | #ifdef TARGET_X86_64 |
962 | if (s->aflag == 2) { | |
963 | gen_op_addq_ESI_T0(); | |
964 | gen_op_addq_EDI_T0(); | |
5fafdf24 | 965 | } else |
14ce26e7 | 966 | #endif |
2c0262af FB |
967 | if (s->aflag) { |
968 | gen_op_addl_ESI_T0(); | |
969 | gen_op_addl_EDI_T0(); | |
970 | } else { | |
971 | gen_op_addw_ESI_T0(); | |
972 | gen_op_addw_EDI_T0(); | |
973 | } | |
974 | } | |
975 | ||
976 | static inline void gen_update_cc_op(DisasContext *s) | |
977 | { | |
978 | if (s->cc_op != CC_OP_DYNAMIC) { | |
979 | gen_op_set_cc_op(s->cc_op); | |
980 | s->cc_op = CC_OP_DYNAMIC; | |
981 | } | |
982 | } | |
983 | ||
14ce26e7 FB |
984 | /* XXX: does not work with gdbstub "ice" single step - not a |
985 | serious problem */ | |
986 | static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip) | |
2c0262af | 987 | { |
14ce26e7 FB |
988 | int l1, l2; |
989 | ||
990 | l1 = gen_new_label(); | |
991 | l2 = gen_new_label(); | |
992 | gen_op_jnz_ecx[s->aflag](l1); | |
993 | gen_set_label(l2); | |
994 | gen_jmp_tb(s, next_eip, 1); | |
995 | gen_set_label(l1); | |
996 | return l2; | |
2c0262af FB |
997 | } |
998 | ||
999 | static inline void gen_stos(DisasContext *s, int ot) | |
1000 | { | |
57fec1fe | 1001 | gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
2c0262af | 1002 | gen_string_movl_A0_EDI(s); |
57fec1fe | 1003 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 1004 | gen_op_movl_T0_Dshift[ot](); |
14ce26e7 FB |
1005 | #ifdef TARGET_X86_64 |
1006 | if (s->aflag == 2) { | |
1007 | gen_op_addq_EDI_T0(); | |
5fafdf24 | 1008 | } else |
14ce26e7 | 1009 | #endif |
2c0262af FB |
1010 | if (s->aflag) { |
1011 | gen_op_addl_EDI_T0(); | |
1012 | } else { | |
1013 | gen_op_addw_EDI_T0(); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | static inline void gen_lods(DisasContext *s, int ot) | |
1018 | { | |
1019 | gen_string_movl_A0_ESI(s); | |
57fec1fe FB |
1020 | gen_op_ld_T0_A0(ot + s->mem_index); |
1021 | gen_op_mov_reg_T0(ot, R_EAX); | |
2c0262af | 1022 | gen_op_movl_T0_Dshift[ot](); |
14ce26e7 FB |
1023 | #ifdef TARGET_X86_64 |
1024 | if (s->aflag == 2) { | |
1025 | gen_op_addq_ESI_T0(); | |
5fafdf24 | 1026 | } else |
14ce26e7 | 1027 | #endif |
2c0262af FB |
1028 | if (s->aflag) { |
1029 | gen_op_addl_ESI_T0(); | |
1030 | } else { | |
1031 | gen_op_addw_ESI_T0(); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | static inline void gen_scas(DisasContext *s, int ot) | |
1036 | { | |
57fec1fe | 1037 | gen_op_mov_TN_reg(OT_LONG, 0, R_EAX); |
2c0262af | 1038 | gen_string_movl_A0_EDI(s); |
57fec1fe | 1039 | gen_op_ld_T1_A0(ot + s->mem_index); |
2c0262af FB |
1040 | gen_op_cmpl_T0_T1_cc(); |
1041 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1042 | #ifdef TARGET_X86_64 |
1043 | if (s->aflag == 2) { | |
1044 | gen_op_addq_EDI_T0(); | |
5fafdf24 | 1045 | } else |
14ce26e7 | 1046 | #endif |
2c0262af FB |
1047 | if (s->aflag) { |
1048 | gen_op_addl_EDI_T0(); | |
1049 | } else { | |
1050 | gen_op_addw_EDI_T0(); | |
1051 | } | |
1052 | } | |
1053 | ||
1054 | static inline void gen_cmps(DisasContext *s, int ot) | |
1055 | { | |
1056 | gen_string_movl_A0_ESI(s); | |
57fec1fe | 1057 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 1058 | gen_string_movl_A0_EDI(s); |
57fec1fe | 1059 | gen_op_ld_T1_A0(ot + s->mem_index); |
2c0262af FB |
1060 | gen_op_cmpl_T0_T1_cc(); |
1061 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1062 | #ifdef TARGET_X86_64 |
1063 | if (s->aflag == 2) { | |
1064 | gen_op_addq_ESI_T0(); | |
1065 | gen_op_addq_EDI_T0(); | |
5fafdf24 | 1066 | } else |
14ce26e7 | 1067 | #endif |
2c0262af FB |
1068 | if (s->aflag) { |
1069 | gen_op_addl_ESI_T0(); | |
1070 | gen_op_addl_EDI_T0(); | |
1071 | } else { | |
1072 | gen_op_addw_ESI_T0(); | |
1073 | gen_op_addw_EDI_T0(); | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | static inline void gen_ins(DisasContext *s, int ot) | |
1078 | { | |
2c0262af | 1079 | gen_string_movl_A0_EDI(s); |
9772c73b | 1080 | gen_op_movl_T0_0(); |
57fec1fe | 1081 | gen_op_st_T0_A0(ot + s->mem_index); |
9772c73b | 1082 | gen_op_in_DX_T0[ot](); |
57fec1fe | 1083 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 1084 | gen_op_movl_T0_Dshift[ot](); |
14ce26e7 FB |
1085 | #ifdef TARGET_X86_64 |
1086 | if (s->aflag == 2) { | |
1087 | gen_op_addq_EDI_T0(); | |
5fafdf24 | 1088 | } else |
14ce26e7 | 1089 | #endif |
2c0262af FB |
1090 | if (s->aflag) { |
1091 | gen_op_addl_EDI_T0(); | |
1092 | } else { | |
1093 | gen_op_addw_EDI_T0(); | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | static inline void gen_outs(DisasContext *s, int ot) | |
1098 | { | |
1099 | gen_string_movl_A0_ESI(s); | |
57fec1fe | 1100 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af FB |
1101 | gen_op_out_DX_T0[ot](); |
1102 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1103 | #ifdef TARGET_X86_64 |
1104 | if (s->aflag == 2) { | |
1105 | gen_op_addq_ESI_T0(); | |
5fafdf24 | 1106 | } else |
14ce26e7 | 1107 | #endif |
2c0262af FB |
1108 | if (s->aflag) { |
1109 | gen_op_addl_ESI_T0(); | |
1110 | } else { | |
1111 | gen_op_addw_ESI_T0(); | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | /* same method as Valgrind : we generate jumps to current or next | |
1116 | instruction */ | |
1117 | #define GEN_REPZ(op) \ | |
1118 | static inline void gen_repz_ ## op(DisasContext *s, int ot, \ | |
14ce26e7 | 1119 | target_ulong cur_eip, target_ulong next_eip) \ |
2c0262af | 1120 | { \ |
14ce26e7 | 1121 | int l2;\ |
2c0262af | 1122 | gen_update_cc_op(s); \ |
14ce26e7 | 1123 | l2 = gen_jz_ecx_string(s, next_eip); \ |
2c0262af FB |
1124 | gen_ ## op(s, ot); \ |
1125 | gen_op_dec_ECX[s->aflag](); \ | |
1126 | /* a loop would cause two single step exceptions if ECX = 1 \ | |
1127 | before rep string_insn */ \ | |
1128 | if (!s->jmp_opt) \ | |
14ce26e7 | 1129 | gen_op_jz_ecx[s->aflag](l2); \ |
2c0262af FB |
1130 | gen_jmp(s, cur_eip); \ |
1131 | } | |
1132 | ||
1133 | #define GEN_REPZ2(op) \ | |
1134 | static inline void gen_repz_ ## op(DisasContext *s, int ot, \ | |
14ce26e7 FB |
1135 | target_ulong cur_eip, \ |
1136 | target_ulong next_eip, \ | |
2c0262af FB |
1137 | int nz) \ |
1138 | { \ | |
14ce26e7 | 1139 | int l2;\ |
2c0262af | 1140 | gen_update_cc_op(s); \ |
14ce26e7 | 1141 | l2 = gen_jz_ecx_string(s, next_eip); \ |
2c0262af FB |
1142 | gen_ ## op(s, ot); \ |
1143 | gen_op_dec_ECX[s->aflag](); \ | |
1144 | gen_op_set_cc_op(CC_OP_SUBB + ot); \ | |
14ce26e7 | 1145 | gen_op_string_jnz_sub[nz][ot](l2);\ |
2c0262af | 1146 | if (!s->jmp_opt) \ |
14ce26e7 | 1147 | gen_op_jz_ecx[s->aflag](l2); \ |
2c0262af FB |
1148 | gen_jmp(s, cur_eip); \ |
1149 | } | |
1150 | ||
1151 | GEN_REPZ(movs) | |
1152 | GEN_REPZ(stos) | |
1153 | GEN_REPZ(lods) | |
1154 | GEN_REPZ(ins) | |
1155 | GEN_REPZ(outs) | |
1156 | GEN_REPZ2(scas) | |
1157 | GEN_REPZ2(cmps) | |
1158 | ||
2c0262af FB |
1159 | enum { |
1160 | JCC_O, | |
1161 | JCC_B, | |
1162 | JCC_Z, | |
1163 | JCC_BE, | |
1164 | JCC_S, | |
1165 | JCC_P, | |
1166 | JCC_L, | |
1167 | JCC_LE, | |
1168 | }; | |
1169 | ||
14ce26e7 | 1170 | static GenOpFunc1 *gen_jcc_sub[4][8] = { |
2c0262af FB |
1171 | [OT_BYTE] = { |
1172 | NULL, | |
1173 | gen_op_jb_subb, | |
1174 | gen_op_jz_subb, | |
1175 | gen_op_jbe_subb, | |
1176 | gen_op_js_subb, | |
1177 | NULL, | |
1178 | gen_op_jl_subb, | |
1179 | gen_op_jle_subb, | |
1180 | }, | |
1181 | [OT_WORD] = { | |
1182 | NULL, | |
1183 | gen_op_jb_subw, | |
1184 | gen_op_jz_subw, | |
1185 | gen_op_jbe_subw, | |
1186 | gen_op_js_subw, | |
1187 | NULL, | |
1188 | gen_op_jl_subw, | |
1189 | gen_op_jle_subw, | |
1190 | }, | |
1191 | [OT_LONG] = { | |
1192 | NULL, | |
1193 | gen_op_jb_subl, | |
1194 | gen_op_jz_subl, | |
1195 | gen_op_jbe_subl, | |
1196 | gen_op_js_subl, | |
1197 | NULL, | |
1198 | gen_op_jl_subl, | |
1199 | gen_op_jle_subl, | |
1200 | }, | |
14ce26e7 FB |
1201 | #ifdef TARGET_X86_64 |
1202 | [OT_QUAD] = { | |
1203 | NULL, | |
1204 | BUGGY_64(gen_op_jb_subq), | |
1205 | gen_op_jz_subq, | |
1206 | BUGGY_64(gen_op_jbe_subq), | |
1207 | gen_op_js_subq, | |
1208 | NULL, | |
1209 | BUGGY_64(gen_op_jl_subq), | |
1210 | BUGGY_64(gen_op_jle_subq), | |
1211 | }, | |
1212 | #endif | |
2c0262af | 1213 | }; |
14ce26e7 | 1214 | static GenOpFunc1 *gen_op_loop[3][4] = { |
2c0262af FB |
1215 | [0] = { |
1216 | gen_op_loopnzw, | |
1217 | gen_op_loopzw, | |
14ce26e7 | 1218 | gen_op_jnz_ecxw, |
2c0262af FB |
1219 | }, |
1220 | [1] = { | |
1221 | gen_op_loopnzl, | |
1222 | gen_op_loopzl, | |
14ce26e7 FB |
1223 | gen_op_jnz_ecxl, |
1224 | }, | |
1225 | #ifdef TARGET_X86_64 | |
1226 | [2] = { | |
1227 | gen_op_loopnzq, | |
1228 | gen_op_loopzq, | |
1229 | gen_op_jnz_ecxq, | |
2c0262af | 1230 | }, |
14ce26e7 | 1231 | #endif |
2c0262af FB |
1232 | }; |
1233 | ||
1234 | static GenOpFunc *gen_setcc_slow[8] = { | |
1235 | gen_op_seto_T0_cc, | |
1236 | gen_op_setb_T0_cc, | |
1237 | gen_op_setz_T0_cc, | |
1238 | gen_op_setbe_T0_cc, | |
1239 | gen_op_sets_T0_cc, | |
1240 | gen_op_setp_T0_cc, | |
1241 | gen_op_setl_T0_cc, | |
1242 | gen_op_setle_T0_cc, | |
1243 | }; | |
1244 | ||
14ce26e7 | 1245 | static GenOpFunc *gen_setcc_sub[4][8] = { |
2c0262af FB |
1246 | [OT_BYTE] = { |
1247 | NULL, | |
1248 | gen_op_setb_T0_subb, | |
1249 | gen_op_setz_T0_subb, | |
1250 | gen_op_setbe_T0_subb, | |
1251 | gen_op_sets_T0_subb, | |
1252 | NULL, | |
1253 | gen_op_setl_T0_subb, | |
1254 | gen_op_setle_T0_subb, | |
1255 | }, | |
1256 | [OT_WORD] = { | |
1257 | NULL, | |
1258 | gen_op_setb_T0_subw, | |
1259 | gen_op_setz_T0_subw, | |
1260 | gen_op_setbe_T0_subw, | |
1261 | gen_op_sets_T0_subw, | |
1262 | NULL, | |
1263 | gen_op_setl_T0_subw, | |
1264 | gen_op_setle_T0_subw, | |
1265 | }, | |
1266 | [OT_LONG] = { | |
1267 | NULL, | |
1268 | gen_op_setb_T0_subl, | |
1269 | gen_op_setz_T0_subl, | |
1270 | gen_op_setbe_T0_subl, | |
1271 | gen_op_sets_T0_subl, | |
1272 | NULL, | |
1273 | gen_op_setl_T0_subl, | |
1274 | gen_op_setle_T0_subl, | |
1275 | }, | |
14ce26e7 FB |
1276 | #ifdef TARGET_X86_64 |
1277 | [OT_QUAD] = { | |
1278 | NULL, | |
1279 | gen_op_setb_T0_subq, | |
1280 | gen_op_setz_T0_subq, | |
1281 | gen_op_setbe_T0_subq, | |
1282 | gen_op_sets_T0_subq, | |
1283 | NULL, | |
1284 | gen_op_setl_T0_subq, | |
1285 | gen_op_setle_T0_subq, | |
1286 | }, | |
1287 | #endif | |
2c0262af FB |
1288 | }; |
1289 | ||
1290 | static GenOpFunc *gen_op_fp_arith_ST0_FT0[8] = { | |
1291 | gen_op_fadd_ST0_FT0, | |
1292 | gen_op_fmul_ST0_FT0, | |
1293 | gen_op_fcom_ST0_FT0, | |
1294 | gen_op_fcom_ST0_FT0, | |
1295 | gen_op_fsub_ST0_FT0, | |
1296 | gen_op_fsubr_ST0_FT0, | |
1297 | gen_op_fdiv_ST0_FT0, | |
1298 | gen_op_fdivr_ST0_FT0, | |
1299 | }; | |
1300 | ||
1301 | /* NOTE the exception in "r" op ordering */ | |
1302 | static GenOpFunc1 *gen_op_fp_arith_STN_ST0[8] = { | |
1303 | gen_op_fadd_STN_ST0, | |
1304 | gen_op_fmul_STN_ST0, | |
1305 | NULL, | |
1306 | NULL, | |
1307 | gen_op_fsubr_STN_ST0, | |
1308 | gen_op_fsub_STN_ST0, | |
1309 | gen_op_fdivr_STN_ST0, | |
1310 | gen_op_fdiv_STN_ST0, | |
1311 | }; | |
1312 | ||
1313 | /* if d == OR_TMP0, it means memory operand (address in A0) */ | |
1314 | static void gen_op(DisasContext *s1, int op, int ot, int d) | |
1315 | { | |
1316 | GenOpFunc *gen_update_cc; | |
3b46e624 | 1317 | |
2c0262af | 1318 | if (d != OR_TMP0) { |
57fec1fe | 1319 | gen_op_mov_TN_reg(ot, 0, d); |
2c0262af | 1320 | } else { |
57fec1fe | 1321 | gen_op_ld_T0_A0(ot + s1->mem_index); |
2c0262af FB |
1322 | } |
1323 | switch(op) { | |
1324 | case OP_ADCL: | |
1325 | case OP_SBBL: | |
1326 | if (s1->cc_op != CC_OP_DYNAMIC) | |
1327 | gen_op_set_cc_op(s1->cc_op); | |
1328 | if (d != OR_TMP0) { | |
1329 | gen_op_arithc_T0_T1_cc[ot][op - OP_ADCL](); | |
57fec1fe | 1330 | gen_op_mov_reg_T0(ot, d); |
2c0262af | 1331 | } else { |
4f31916f | 1332 | gen_op_arithc_mem_T0_T1_cc[ot + s1->mem_index][op - OP_ADCL](); |
2c0262af FB |
1333 | } |
1334 | s1->cc_op = CC_OP_DYNAMIC; | |
1335 | goto the_end; | |
1336 | case OP_ADDL: | |
1337 | gen_op_addl_T0_T1(); | |
1338 | s1->cc_op = CC_OP_ADDB + ot; | |
1339 | gen_update_cc = gen_op_update2_cc; | |
1340 | break; | |
1341 | case OP_SUBL: | |
57fec1fe | 1342 | tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
2c0262af FB |
1343 | s1->cc_op = CC_OP_SUBB + ot; |
1344 | gen_update_cc = gen_op_update2_cc; | |
1345 | break; | |
1346 | default: | |
1347 | case OP_ANDL: | |
57fec1fe FB |
1348 | tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1349 | s1->cc_op = CC_OP_LOGICB + ot; | |
1350 | gen_update_cc = gen_op_update1_cc; | |
1351 | break; | |
2c0262af | 1352 | case OP_ORL: |
57fec1fe FB |
1353 | tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1354 | s1->cc_op = CC_OP_LOGICB + ot; | |
1355 | gen_update_cc = gen_op_update1_cc; | |
1356 | break; | |
2c0262af | 1357 | case OP_XORL: |
57fec1fe | 1358 | tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
2c0262af FB |
1359 | s1->cc_op = CC_OP_LOGICB + ot; |
1360 | gen_update_cc = gen_op_update1_cc; | |
1361 | break; | |
1362 | case OP_CMPL: | |
1363 | gen_op_cmpl_T0_T1_cc(); | |
1364 | s1->cc_op = CC_OP_SUBB + ot; | |
1365 | gen_update_cc = NULL; | |
1366 | break; | |
1367 | } | |
1368 | if (op != OP_CMPL) { | |
1369 | if (d != OR_TMP0) | |
57fec1fe | 1370 | gen_op_mov_reg_T0(ot, d); |
2c0262af | 1371 | else |
57fec1fe | 1372 | gen_op_st_T0_A0(ot + s1->mem_index); |
2c0262af FB |
1373 | } |
1374 | /* the flags update must happen after the memory write (precise | |
1375 | exception support) */ | |
1376 | if (gen_update_cc) | |
1377 | gen_update_cc(); | |
1378 | the_end: ; | |
1379 | } | |
1380 | ||
1381 | /* if d == OR_TMP0, it means memory operand (address in A0) */ | |
1382 | static void gen_inc(DisasContext *s1, int ot, int d, int c) | |
1383 | { | |
1384 | if (d != OR_TMP0) | |
57fec1fe | 1385 | gen_op_mov_TN_reg(ot, 0, d); |
2c0262af | 1386 | else |
57fec1fe | 1387 | gen_op_ld_T0_A0(ot + s1->mem_index); |
2c0262af FB |
1388 | if (s1->cc_op != CC_OP_DYNAMIC) |
1389 | gen_op_set_cc_op(s1->cc_op); | |
1390 | if (c > 0) { | |
1391 | gen_op_incl_T0(); | |
1392 | s1->cc_op = CC_OP_INCB + ot; | |
1393 | } else { | |
1394 | gen_op_decl_T0(); | |
1395 | s1->cc_op = CC_OP_DECB + ot; | |
1396 | } | |
1397 | if (d != OR_TMP0) | |
57fec1fe | 1398 | gen_op_mov_reg_T0(ot, d); |
2c0262af | 1399 | else |
57fec1fe | 1400 | gen_op_st_T0_A0(ot + s1->mem_index); |
2c0262af FB |
1401 | gen_op_update_inc_cc(); |
1402 | } | |
1403 | ||
1404 | static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) | |
1405 | { | |
1406 | if (d != OR_TMP0) | |
57fec1fe | 1407 | gen_op_mov_TN_reg(ot, 0, d); |
2c0262af | 1408 | else |
57fec1fe | 1409 | gen_op_ld_T0_A0(ot + s1->mem_index); |
2c0262af | 1410 | if (s != OR_TMP1) |
57fec1fe | 1411 | gen_op_mov_TN_reg(ot, 1, s); |
2c0262af FB |
1412 | /* for zero counts, flags are not updated, so must do it dynamically */ |
1413 | if (s1->cc_op != CC_OP_DYNAMIC) | |
1414 | gen_op_set_cc_op(s1->cc_op); | |
3b46e624 | 1415 | |
2c0262af FB |
1416 | if (d != OR_TMP0) |
1417 | gen_op_shift_T0_T1_cc[ot][op](); | |
1418 | else | |
4f31916f | 1419 | gen_op_shift_mem_T0_T1_cc[ot + s1->mem_index][op](); |
2c0262af | 1420 | if (d != OR_TMP0) |
57fec1fe | 1421 | gen_op_mov_reg_T0(ot, d); |
2c0262af FB |
1422 | s1->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
1423 | } | |
1424 | ||
1425 | static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) | |
1426 | { | |
1427 | /* currently not optimized */ | |
1428 | gen_op_movl_T1_im(c); | |
1429 | gen_shift(s1, op, ot, d, OR_TMP1); | |
1430 | } | |
1431 | ||
1432 | static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr) | |
1433 | { | |
14ce26e7 | 1434 | target_long disp; |
2c0262af | 1435 | int havesib; |
14ce26e7 | 1436 | int base; |
2c0262af FB |
1437 | int index; |
1438 | int scale; | |
1439 | int opreg; | |
1440 | int mod, rm, code, override, must_add_seg; | |
1441 | ||
1442 | override = s->override; | |
1443 | must_add_seg = s->addseg; | |
1444 | if (override >= 0) | |
1445 | must_add_seg = 1; | |
1446 | mod = (modrm >> 6) & 3; | |
1447 | rm = modrm & 7; | |
1448 | ||
1449 | if (s->aflag) { | |
1450 | ||
1451 | havesib = 0; | |
1452 | base = rm; | |
1453 | index = 0; | |
1454 | scale = 0; | |
3b46e624 | 1455 | |
2c0262af FB |
1456 | if (base == 4) { |
1457 | havesib = 1; | |
61382a50 | 1458 | code = ldub_code(s->pc++); |
2c0262af | 1459 | scale = (code >> 6) & 3; |
14ce26e7 FB |
1460 | index = ((code >> 3) & 7) | REX_X(s); |
1461 | base = (code & 7); | |
2c0262af | 1462 | } |
14ce26e7 | 1463 | base |= REX_B(s); |
2c0262af FB |
1464 | |
1465 | switch (mod) { | |
1466 | case 0: | |
14ce26e7 | 1467 | if ((base & 7) == 5) { |
2c0262af | 1468 | base = -1; |
14ce26e7 | 1469 | disp = (int32_t)ldl_code(s->pc); |
2c0262af | 1470 | s->pc += 4; |
14ce26e7 FB |
1471 | if (CODE64(s) && !havesib) { |
1472 | disp += s->pc + s->rip_offset; | |
1473 | } | |
2c0262af FB |
1474 | } else { |
1475 | disp = 0; | |
1476 | } | |
1477 | break; | |
1478 | case 1: | |
61382a50 | 1479 | disp = (int8_t)ldub_code(s->pc++); |
2c0262af FB |
1480 | break; |
1481 | default: | |
1482 | case 2: | |
61382a50 | 1483 | disp = ldl_code(s->pc); |
2c0262af FB |
1484 | s->pc += 4; |
1485 | break; | |
1486 | } | |
3b46e624 | 1487 | |
2c0262af FB |
1488 | if (base >= 0) { |
1489 | /* for correct popl handling with esp */ | |
1490 | if (base == 4 && s->popl_esp_hack) | |
1491 | disp += s->popl_esp_hack; | |
14ce26e7 FB |
1492 | #ifdef TARGET_X86_64 |
1493 | if (s->aflag == 2) { | |
57fec1fe | 1494 | gen_op_movq_A0_reg(base); |
14ce26e7 | 1495 | if (disp != 0) { |
57fec1fe | 1496 | gen_op_addq_A0_im(disp); |
14ce26e7 | 1497 | } |
5fafdf24 | 1498 | } else |
14ce26e7 FB |
1499 | #endif |
1500 | { | |
57fec1fe | 1501 | gen_op_movl_A0_reg(base); |
14ce26e7 FB |
1502 | if (disp != 0) |
1503 | gen_op_addl_A0_im(disp); | |
1504 | } | |
2c0262af | 1505 | } else { |
14ce26e7 FB |
1506 | #ifdef TARGET_X86_64 |
1507 | if (s->aflag == 2) { | |
57fec1fe | 1508 | gen_op_movq_A0_im(disp); |
5fafdf24 | 1509 | } else |
14ce26e7 FB |
1510 | #endif |
1511 | { | |
1512 | gen_op_movl_A0_im(disp); | |
1513 | } | |
2c0262af FB |
1514 | } |
1515 | /* XXX: index == 4 is always invalid */ | |
1516 | if (havesib && (index != 4 || scale != 0)) { | |
14ce26e7 FB |
1517 | #ifdef TARGET_X86_64 |
1518 | if (s->aflag == 2) { | |
57fec1fe | 1519 | gen_op_addq_A0_reg_sN(scale, index); |
5fafdf24 | 1520 | } else |
14ce26e7 FB |
1521 | #endif |
1522 | { | |
57fec1fe | 1523 | gen_op_addl_A0_reg_sN(scale, index); |
14ce26e7 | 1524 | } |
2c0262af FB |
1525 | } |
1526 | if (must_add_seg) { | |
1527 | if (override < 0) { | |
1528 | if (base == R_EBP || base == R_ESP) | |
1529 | override = R_SS; | |
1530 | else | |
1531 | override = R_DS; | |
1532 | } | |
14ce26e7 FB |
1533 | #ifdef TARGET_X86_64 |
1534 | if (s->aflag == 2) { | |
57fec1fe | 1535 | gen_op_addq_A0_seg(override); |
5fafdf24 | 1536 | } else |
14ce26e7 FB |
1537 | #endif |
1538 | { | |
57fec1fe | 1539 | gen_op_addl_A0_seg(override); |
14ce26e7 | 1540 | } |
2c0262af FB |
1541 | } |
1542 | } else { | |
1543 | switch (mod) { | |
1544 | case 0: | |
1545 | if (rm == 6) { | |
61382a50 | 1546 | disp = lduw_code(s->pc); |
2c0262af FB |
1547 | s->pc += 2; |
1548 | gen_op_movl_A0_im(disp); | |
1549 | rm = 0; /* avoid SS override */ | |
1550 | goto no_rm; | |
1551 | } else { | |
1552 | disp = 0; | |
1553 | } | |
1554 | break; | |
1555 | case 1: | |
61382a50 | 1556 | disp = (int8_t)ldub_code(s->pc++); |
2c0262af FB |
1557 | break; |
1558 | default: | |
1559 | case 2: | |
61382a50 | 1560 | disp = lduw_code(s->pc); |
2c0262af FB |
1561 | s->pc += 2; |
1562 | break; | |
1563 | } | |
1564 | switch(rm) { | |
1565 | case 0: | |
57fec1fe FB |
1566 | gen_op_movl_A0_reg(R_EBX); |
1567 | gen_op_addl_A0_reg_sN(0, R_ESI); | |
2c0262af FB |
1568 | break; |
1569 | case 1: | |
57fec1fe FB |
1570 | gen_op_movl_A0_reg(R_EBX); |
1571 | gen_op_addl_A0_reg_sN(0, R_EDI); | |
2c0262af FB |
1572 | break; |
1573 | case 2: | |
57fec1fe FB |
1574 | gen_op_movl_A0_reg(R_EBP); |
1575 | gen_op_addl_A0_reg_sN(0, R_ESI); | |
2c0262af FB |
1576 | break; |
1577 | case 3: | |
57fec1fe FB |
1578 | gen_op_movl_A0_reg(R_EBP); |
1579 | gen_op_addl_A0_reg_sN(0, R_EDI); | |
2c0262af FB |
1580 | break; |
1581 | case 4: | |
57fec1fe | 1582 | gen_op_movl_A0_reg(R_ESI); |
2c0262af FB |
1583 | break; |
1584 | case 5: | |
57fec1fe | 1585 | gen_op_movl_A0_reg(R_EDI); |
2c0262af FB |
1586 | break; |
1587 | case 6: | |
57fec1fe | 1588 | gen_op_movl_A0_reg(R_EBP); |
2c0262af FB |
1589 | break; |
1590 | default: | |
1591 | case 7: | |
57fec1fe | 1592 | gen_op_movl_A0_reg(R_EBX); |
2c0262af FB |
1593 | break; |
1594 | } | |
1595 | if (disp != 0) | |
1596 | gen_op_addl_A0_im(disp); | |
1597 | gen_op_andl_A0_ffff(); | |
1598 | no_rm: | |
1599 | if (must_add_seg) { | |
1600 | if (override < 0) { | |
1601 | if (rm == 2 || rm == 3 || rm == 6) | |
1602 | override = R_SS; | |
1603 | else | |
1604 | override = R_DS; | |
1605 | } | |
57fec1fe | 1606 | gen_op_addl_A0_seg(override); |
2c0262af FB |
1607 | } |
1608 | } | |
1609 | ||
1610 | opreg = OR_A0; | |
1611 | disp = 0; | |
1612 | *reg_ptr = opreg; | |
1613 | *offset_ptr = disp; | |
1614 | } | |
1615 | ||
e17a36ce FB |
1616 | static void gen_nop_modrm(DisasContext *s, int modrm) |
1617 | { | |
1618 | int mod, rm, base, code; | |
1619 | ||
1620 | mod = (modrm >> 6) & 3; | |
1621 | if (mod == 3) | |
1622 | return; | |
1623 | rm = modrm & 7; | |
1624 | ||
1625 | if (s->aflag) { | |
1626 | ||
1627 | base = rm; | |
3b46e624 | 1628 | |
e17a36ce FB |
1629 | if (base == 4) { |
1630 | code = ldub_code(s->pc++); | |
1631 | base = (code & 7); | |
1632 | } | |
3b46e624 | 1633 | |
e17a36ce FB |
1634 | switch (mod) { |
1635 | case 0: | |
1636 | if (base == 5) { | |
1637 | s->pc += 4; | |
1638 | } | |
1639 | break; | |
1640 | case 1: | |
1641 | s->pc++; | |
1642 | break; | |
1643 | default: | |
1644 | case 2: | |
1645 | s->pc += 4; | |
1646 | break; | |
1647 | } | |
1648 | } else { | |
1649 | switch (mod) { | |
1650 | case 0: | |
1651 | if (rm == 6) { | |
1652 | s->pc += 2; | |
1653 | } | |
1654 | break; | |
1655 | case 1: | |
1656 | s->pc++; | |
1657 | break; | |
1658 | default: | |
1659 | case 2: | |
1660 | s->pc += 2; | |
1661 | break; | |
1662 | } | |
1663 | } | |
1664 | } | |
1665 | ||
664e0f19 FB |
1666 | /* used for LEA and MOV AX, mem */ |
1667 | static void gen_add_A0_ds_seg(DisasContext *s) | |
1668 | { | |
1669 | int override, must_add_seg; | |
1670 | must_add_seg = s->addseg; | |
1671 | override = R_DS; | |
1672 | if (s->override >= 0) { | |
1673 | override = s->override; | |
1674 | must_add_seg = 1; | |
1675 | } else { | |
1676 | override = R_DS; | |
1677 | } | |
1678 | if (must_add_seg) { | |
8f091a59 FB |
1679 | #ifdef TARGET_X86_64 |
1680 | if (CODE64(s)) { | |
57fec1fe | 1681 | gen_op_addq_A0_seg(override); |
5fafdf24 | 1682 | } else |
8f091a59 FB |
1683 | #endif |
1684 | { | |
57fec1fe | 1685 | gen_op_addl_A0_seg(override); |
8f091a59 | 1686 | } |
664e0f19 FB |
1687 | } |
1688 | } | |
1689 | ||
2c0262af FB |
1690 | /* generate modrm memory load or store of 'reg'. TMP0 is used if reg != |
1691 | OR_TMP0 */ | |
1692 | static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store) | |
1693 | { | |
1694 | int mod, rm, opreg, disp; | |
1695 | ||
1696 | mod = (modrm >> 6) & 3; | |
14ce26e7 | 1697 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
1698 | if (mod == 3) { |
1699 | if (is_store) { | |
1700 | if (reg != OR_TMP0) | |
57fec1fe FB |
1701 | gen_op_mov_TN_reg(ot, 0, reg); |
1702 | gen_op_mov_reg_T0(ot, rm); | |
2c0262af | 1703 | } else { |
57fec1fe | 1704 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af | 1705 | if (reg != OR_TMP0) |
57fec1fe | 1706 | gen_op_mov_reg_T0(ot, reg); |
2c0262af FB |
1707 | } |
1708 | } else { | |
1709 | gen_lea_modrm(s, modrm, &opreg, &disp); | |
1710 | if (is_store) { | |
1711 | if (reg != OR_TMP0) | |
57fec1fe FB |
1712 | gen_op_mov_TN_reg(ot, 0, reg); |
1713 | gen_op_st_T0_A0(ot + s->mem_index); | |
2c0262af | 1714 | } else { |
57fec1fe | 1715 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 1716 | if (reg != OR_TMP0) |
57fec1fe | 1717 | gen_op_mov_reg_T0(ot, reg); |
2c0262af FB |
1718 | } |
1719 | } | |
1720 | } | |
1721 | ||
1722 | static inline uint32_t insn_get(DisasContext *s, int ot) | |
1723 | { | |
1724 | uint32_t ret; | |
1725 | ||
1726 | switch(ot) { | |
1727 | case OT_BYTE: | |
61382a50 | 1728 | ret = ldub_code(s->pc); |
2c0262af FB |
1729 | s->pc++; |
1730 | break; | |
1731 | case OT_WORD: | |
61382a50 | 1732 | ret = lduw_code(s->pc); |
2c0262af FB |
1733 | s->pc += 2; |
1734 | break; | |
1735 | default: | |
1736 | case OT_LONG: | |
61382a50 | 1737 | ret = ldl_code(s->pc); |
2c0262af FB |
1738 | s->pc += 4; |
1739 | break; | |
1740 | } | |
1741 | return ret; | |
1742 | } | |
1743 | ||
14ce26e7 FB |
1744 | static inline int insn_const_size(unsigned int ot) |
1745 | { | |
1746 | if (ot <= OT_LONG) | |
1747 | return 1 << ot; | |
1748 | else | |
1749 | return 4; | |
1750 | } | |
1751 | ||
6e256c93 FB |
1752 | static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip) |
1753 | { | |
1754 | TranslationBlock *tb; | |
1755 | target_ulong pc; | |
1756 | ||
1757 | pc = s->cs_base + eip; | |
1758 | tb = s->tb; | |
1759 | /* NOTE: we handle the case where the TB spans two pages here */ | |
1760 | if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) || | |
1761 | (pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) { | |
1762 | /* jump to same page: we can use a direct jump */ | |
57fec1fe | 1763 | tcg_gen_goto_tb(tb_num); |
6e256c93 | 1764 | gen_jmp_im(eip); |
57fec1fe | 1765 | tcg_gen_exit_tb((long)tb + tb_num); |
6e256c93 FB |
1766 | } else { |
1767 | /* jump to another page: currently not optimized */ | |
1768 | gen_jmp_im(eip); | |
1769 | gen_eob(s); | |
1770 | } | |
1771 | } | |
1772 | ||
5fafdf24 | 1773 | static inline void gen_jcc(DisasContext *s, int b, |
14ce26e7 | 1774 | target_ulong val, target_ulong next_eip) |
2c0262af FB |
1775 | { |
1776 | TranslationBlock *tb; | |
1777 | int inv, jcc_op; | |
14ce26e7 FB |
1778 | GenOpFunc1 *func; |
1779 | target_ulong tmp; | |
1780 | int l1, l2; | |
2c0262af FB |
1781 | |
1782 | inv = b & 1; | |
1783 | jcc_op = (b >> 1) & 7; | |
3b46e624 | 1784 | |
2c0262af FB |
1785 | if (s->jmp_opt) { |
1786 | switch(s->cc_op) { | |
1787 | /* we optimize the cmp/jcc case */ | |
1788 | case CC_OP_SUBB: | |
1789 | case CC_OP_SUBW: | |
1790 | case CC_OP_SUBL: | |
14ce26e7 | 1791 | case CC_OP_SUBQ: |
2c0262af FB |
1792 | func = gen_jcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; |
1793 | break; | |
3b46e624 | 1794 | |
2c0262af FB |
1795 | /* some jumps are easy to compute */ |
1796 | case CC_OP_ADDB: | |
1797 | case CC_OP_ADDW: | |
1798 | case CC_OP_ADDL: | |
14ce26e7 FB |
1799 | case CC_OP_ADDQ: |
1800 | ||
2c0262af FB |
1801 | case CC_OP_ADCB: |
1802 | case CC_OP_ADCW: | |
1803 | case CC_OP_ADCL: | |
14ce26e7 FB |
1804 | case CC_OP_ADCQ: |
1805 | ||
2c0262af FB |
1806 | case CC_OP_SBBB: |
1807 | case CC_OP_SBBW: | |
1808 | case CC_OP_SBBL: | |
14ce26e7 FB |
1809 | case CC_OP_SBBQ: |
1810 | ||
2c0262af FB |
1811 | case CC_OP_LOGICB: |
1812 | case CC_OP_LOGICW: | |
1813 | case CC_OP_LOGICL: | |
14ce26e7 FB |
1814 | case CC_OP_LOGICQ: |
1815 | ||
2c0262af FB |
1816 | case CC_OP_INCB: |
1817 | case CC_OP_INCW: | |
1818 | case CC_OP_INCL: | |
14ce26e7 FB |
1819 | case CC_OP_INCQ: |
1820 | ||
2c0262af FB |
1821 | case CC_OP_DECB: |
1822 | case CC_OP_DECW: | |
1823 | case CC_OP_DECL: | |
14ce26e7 FB |
1824 | case CC_OP_DECQ: |
1825 | ||
2c0262af FB |
1826 | case CC_OP_SHLB: |
1827 | case CC_OP_SHLW: | |
1828 | case CC_OP_SHLL: | |
14ce26e7 FB |
1829 | case CC_OP_SHLQ: |
1830 | ||
2c0262af FB |
1831 | case CC_OP_SARB: |
1832 | case CC_OP_SARW: | |
1833 | case CC_OP_SARL: | |
14ce26e7 | 1834 | case CC_OP_SARQ: |
2c0262af FB |
1835 | switch(jcc_op) { |
1836 | case JCC_Z: | |
14ce26e7 | 1837 | func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1838 | break; |
1839 | case JCC_S: | |
14ce26e7 | 1840 | func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1841 | break; |
1842 | default: | |
1843 | func = NULL; | |
1844 | break; | |
1845 | } | |
1846 | break; | |
1847 | default: | |
1848 | func = NULL; | |
1849 | break; | |
1850 | } | |
1851 | ||
6e256c93 | 1852 | if (s->cc_op != CC_OP_DYNAMIC) { |
2c0262af | 1853 | gen_op_set_cc_op(s->cc_op); |
6e256c93 FB |
1854 | s->cc_op = CC_OP_DYNAMIC; |
1855 | } | |
2c0262af FB |
1856 | |
1857 | if (!func) { | |
1858 | gen_setcc_slow[jcc_op](); | |
14ce26e7 | 1859 | func = gen_op_jnz_T0_label; |
2c0262af | 1860 | } |
3b46e624 | 1861 | |
14ce26e7 FB |
1862 | if (inv) { |
1863 | tmp = val; | |
1864 | val = next_eip; | |
1865 | next_eip = tmp; | |
2c0262af | 1866 | } |
14ce26e7 FB |
1867 | tb = s->tb; |
1868 | ||
1869 | l1 = gen_new_label(); | |
1870 | func(l1); | |
1871 | ||
6e256c93 | 1872 | gen_goto_tb(s, 0, next_eip); |
14ce26e7 FB |
1873 | |
1874 | gen_set_label(l1); | |
6e256c93 | 1875 | gen_goto_tb(s, 1, val); |
14ce26e7 | 1876 | |
2c0262af FB |
1877 | s->is_jmp = 3; |
1878 | } else { | |
14ce26e7 | 1879 | |
2c0262af FB |
1880 | if (s->cc_op != CC_OP_DYNAMIC) { |
1881 | gen_op_set_cc_op(s->cc_op); | |
1882 | s->cc_op = CC_OP_DYNAMIC; | |
1883 | } | |
1884 | gen_setcc_slow[jcc_op](); | |
14ce26e7 FB |
1885 | if (inv) { |
1886 | tmp = val; | |
1887 | val = next_eip; | |
1888 | next_eip = tmp; | |
2c0262af | 1889 | } |
14ce26e7 FB |
1890 | l1 = gen_new_label(); |
1891 | l2 = gen_new_label(); | |
1892 | gen_op_jnz_T0_label(l1); | |
1893 | gen_jmp_im(next_eip); | |
1894 | gen_op_jmp_label(l2); | |
1895 | gen_set_label(l1); | |
1896 | gen_jmp_im(val); | |
1897 | gen_set_label(l2); | |
2c0262af FB |
1898 | gen_eob(s); |
1899 | } | |
1900 | } | |
1901 | ||
1902 | static void gen_setcc(DisasContext *s, int b) | |
1903 | { | |
1904 | int inv, jcc_op; | |
1905 | GenOpFunc *func; | |
1906 | ||
1907 | inv = b & 1; | |
1908 | jcc_op = (b >> 1) & 7; | |
1909 | switch(s->cc_op) { | |
1910 | /* we optimize the cmp/jcc case */ | |
1911 | case CC_OP_SUBB: | |
1912 | case CC_OP_SUBW: | |
1913 | case CC_OP_SUBL: | |
14ce26e7 | 1914 | case CC_OP_SUBQ: |
2c0262af FB |
1915 | func = gen_setcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; |
1916 | if (!func) | |
1917 | goto slow_jcc; | |
1918 | break; | |
3b46e624 | 1919 | |
2c0262af FB |
1920 | /* some jumps are easy to compute */ |
1921 | case CC_OP_ADDB: | |
1922 | case CC_OP_ADDW: | |
1923 | case CC_OP_ADDL: | |
14ce26e7 FB |
1924 | case CC_OP_ADDQ: |
1925 | ||
2c0262af FB |
1926 | case CC_OP_LOGICB: |
1927 | case CC_OP_LOGICW: | |
1928 | case CC_OP_LOGICL: | |
14ce26e7 FB |
1929 | case CC_OP_LOGICQ: |
1930 | ||
2c0262af FB |
1931 | case CC_OP_INCB: |
1932 | case CC_OP_INCW: | |
1933 | case CC_OP_INCL: | |
14ce26e7 FB |
1934 | case CC_OP_INCQ: |
1935 | ||
2c0262af FB |
1936 | case CC_OP_DECB: |
1937 | case CC_OP_DECW: | |
1938 | case CC_OP_DECL: | |
14ce26e7 FB |
1939 | case CC_OP_DECQ: |
1940 | ||
2c0262af FB |
1941 | case CC_OP_SHLB: |
1942 | case CC_OP_SHLW: | |
1943 | case CC_OP_SHLL: | |
14ce26e7 | 1944 | case CC_OP_SHLQ: |
2c0262af FB |
1945 | switch(jcc_op) { |
1946 | case JCC_Z: | |
14ce26e7 | 1947 | func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1948 | break; |
1949 | case JCC_S: | |
14ce26e7 | 1950 | func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1951 | break; |
1952 | default: | |
1953 | goto slow_jcc; | |
1954 | } | |
1955 | break; | |
1956 | default: | |
1957 | slow_jcc: | |
1958 | if (s->cc_op != CC_OP_DYNAMIC) | |
1959 | gen_op_set_cc_op(s->cc_op); | |
1960 | func = gen_setcc_slow[jcc_op]; | |
1961 | break; | |
1962 | } | |
1963 | func(); | |
1964 | if (inv) { | |
1965 | gen_op_xor_T0_1(); | |
1966 | } | |
1967 | } | |
1968 | ||
1969 | /* move T0 to seg_reg and compute if the CPU state may change. Never | |
1970 | call this function with seg_reg == R_CS */ | |
14ce26e7 | 1971 | static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip) |
2c0262af | 1972 | { |
3415a4dd FB |
1973 | if (s->pe && !s->vm86) { |
1974 | /* XXX: optimize by finding processor state dynamically */ | |
1975 | if (s->cc_op != CC_OP_DYNAMIC) | |
1976 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 1977 | gen_jmp_im(cur_eip); |
3415a4dd | 1978 | gen_op_movl_seg_T0(seg_reg); |
dc196a57 FB |
1979 | /* abort translation because the addseg value may change or |
1980 | because ss32 may change. For R_SS, translation must always | |
1981 | stop as a special handling must be done to disable hardware | |
1982 | interrupts for the next instruction */ | |
1983 | if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS)) | |
1984 | s->is_jmp = 3; | |
3415a4dd | 1985 | } else { |
2c0262af | 1986 | gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[seg_reg])); |
dc196a57 FB |
1987 | if (seg_reg == R_SS) |
1988 | s->is_jmp = 3; | |
3415a4dd | 1989 | } |
2c0262af FB |
1990 | } |
1991 | ||
57fec1fe | 1992 | #define SVM_movq_T1_im(x) gen_movtl_T1_im(x) |
0573fbfc TS |
1993 | |
1994 | static inline int | |
1995 | gen_svm_check_io(DisasContext *s, target_ulong pc_start, uint64_t type) | |
1996 | { | |
1997 | #if !defined(CONFIG_USER_ONLY) | |
1998 | if(s->flags & (1ULL << INTERCEPT_IOIO_PROT)) { | |
1999 | if (s->cc_op != CC_OP_DYNAMIC) | |
2000 | gen_op_set_cc_op(s->cc_op); | |
2001 | SVM_movq_T1_im(s->pc - s->cs_base); | |
2002 | gen_jmp_im(pc_start - s->cs_base); | |
2003 | gen_op_geneflags(); | |
2004 | gen_op_svm_check_intercept_io((uint32_t)(type >> 32), (uint32_t)type); | |
2005 | s->cc_op = CC_OP_DYNAMIC; | |
2006 | /* FIXME: maybe we could move the io intercept vector to the TB as well | |
2007 | so we know if this is an EOB or not ... let's assume it's not | |
2008 | for now. */ | |
2009 | } | |
2010 | #endif | |
2011 | return 0; | |
2012 | } | |
2013 | ||
2014 | static inline int svm_is_rep(int prefixes) | |
2015 | { | |
2016 | return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); | |
2017 | } | |
2018 | ||
2019 | static inline int | |
2020 | gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start, | |
2021 | uint64_t type, uint64_t param) | |
2022 | { | |
2023 | if(!(s->flags & (INTERCEPT_SVM_MASK))) | |
2024 | /* no SVM activated */ | |
2025 | return 0; | |
2026 | switch(type) { | |
2027 | /* CRx and DRx reads/writes */ | |
2028 | case SVM_EXIT_READ_CR0 ... SVM_EXIT_EXCP_BASE - 1: | |
2029 | if (s->cc_op != CC_OP_DYNAMIC) { | |
2030 | gen_op_set_cc_op(s->cc_op); | |
2031 | s->cc_op = CC_OP_DYNAMIC; | |
2032 | } | |
2033 | gen_jmp_im(pc_start - s->cs_base); | |
2034 | SVM_movq_T1_im(param); | |
2035 | gen_op_geneflags(); | |
2036 | gen_op_svm_check_intercept_param((uint32_t)(type >> 32), (uint32_t)type); | |
2037 | /* this is a special case as we do not know if the interception occurs | |
2038 | so we assume there was none */ | |
2039 | return 0; | |
2040 | case SVM_EXIT_MSR: | |
2041 | if(s->flags & (1ULL << INTERCEPT_MSR_PROT)) { | |
2042 | if (s->cc_op != CC_OP_DYNAMIC) { | |
2043 | gen_op_set_cc_op(s->cc_op); | |
2044 | s->cc_op = CC_OP_DYNAMIC; | |
2045 | } | |
2046 | gen_jmp_im(pc_start - s->cs_base); | |
2047 | SVM_movq_T1_im(param); | |
2048 | gen_op_geneflags(); | |
2049 | gen_op_svm_check_intercept_param((uint32_t)(type >> 32), (uint32_t)type); | |
2050 | /* this is a special case as we do not know if the interception occurs | |
2051 | so we assume there was none */ | |
2052 | return 0; | |
2053 | } | |
2054 | break; | |
2055 | default: | |
2056 | if(s->flags & (1ULL << ((type - SVM_EXIT_INTR) + INTERCEPT_INTR))) { | |
2057 | if (s->cc_op != CC_OP_DYNAMIC) { | |
2058 | gen_op_set_cc_op(s->cc_op); | |
2059 | s->cc_op = CC_OP_EFLAGS; | |
2060 | } | |
2061 | gen_jmp_im(pc_start - s->cs_base); | |
2062 | SVM_movq_T1_im(param); | |
2063 | gen_op_geneflags(); | |
2064 | gen_op_svm_vmexit(type >> 32, type); | |
2065 | /* we can optimize this one so TBs don't get longer | |
2066 | than up to vmexit */ | |
2067 | gen_eob(s); | |
2068 | return 1; | |
2069 | } | |
2070 | } | |
2071 | return 0; | |
2072 | } | |
2073 | ||
2074 | static inline int | |
2075 | gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type) | |
2076 | { | |
2077 | return gen_svm_check_intercept_param(s, pc_start, type, 0); | |
2078 | } | |
2079 | ||
4f31916f FB |
2080 | static inline void gen_stack_update(DisasContext *s, int addend) |
2081 | { | |
14ce26e7 FB |
2082 | #ifdef TARGET_X86_64 |
2083 | if (CODE64(s)) { | |
57fec1fe | 2084 | gen_op_addq_ESP_im(addend); |
14ce26e7 FB |
2085 | } else |
2086 | #endif | |
4f31916f | 2087 | if (s->ss32) { |
57fec1fe | 2088 | gen_op_addl_ESP_im(addend); |
4f31916f | 2089 | } else { |
57fec1fe | 2090 | gen_op_addw_ESP_im(addend); |
4f31916f FB |
2091 | } |
2092 | } | |
2093 | ||
2c0262af FB |
2094 | /* generate a push. It depends on ss32, addseg and dflag */ |
2095 | static void gen_push_T0(DisasContext *s) | |
2096 | { | |
14ce26e7 FB |
2097 | #ifdef TARGET_X86_64 |
2098 | if (CODE64(s)) { | |
57fec1fe | 2099 | gen_op_movq_A0_reg(R_ESP); |
8f091a59 | 2100 | if (s->dflag) { |
57fec1fe FB |
2101 | gen_op_addq_A0_im(-8); |
2102 | gen_op_st_T0_A0(OT_QUAD + s->mem_index); | |
8f091a59 | 2103 | } else { |
57fec1fe FB |
2104 | gen_op_addq_A0_im(-2); |
2105 | gen_op_st_T0_A0(OT_WORD + s->mem_index); | |
8f091a59 | 2106 | } |
57fec1fe | 2107 | gen_op_mov_reg_A0(2, R_ESP); |
5fafdf24 | 2108 | } else |
14ce26e7 FB |
2109 | #endif |
2110 | { | |
57fec1fe | 2111 | gen_op_movl_A0_reg(R_ESP); |
14ce26e7 | 2112 | if (!s->dflag) |
57fec1fe | 2113 | gen_op_addl_A0_im(-2); |
14ce26e7 | 2114 | else |
57fec1fe | 2115 | gen_op_addl_A0_im(-4); |
14ce26e7 FB |
2116 | if (s->ss32) { |
2117 | if (s->addseg) { | |
2118 | gen_op_movl_T1_A0(); | |
57fec1fe | 2119 | gen_op_addl_A0_seg(R_SS); |
14ce26e7 FB |
2120 | } |
2121 | } else { | |
2122 | gen_op_andl_A0_ffff(); | |
4f31916f | 2123 | gen_op_movl_T1_A0(); |
57fec1fe | 2124 | gen_op_addl_A0_seg(R_SS); |
2c0262af | 2125 | } |
57fec1fe | 2126 | gen_op_st_T0_A0(s->dflag + 1 + s->mem_index); |
14ce26e7 | 2127 | if (s->ss32 && !s->addseg) |
57fec1fe | 2128 | gen_op_mov_reg_A0(1, R_ESP); |
14ce26e7 | 2129 | else |
57fec1fe | 2130 | gen_op_mov_reg_T1(s->ss32 + 1, R_ESP); |
2c0262af FB |
2131 | } |
2132 | } | |
2133 | ||
4f31916f FB |
2134 | /* generate a push. It depends on ss32, addseg and dflag */ |
2135 | /* slower version for T1, only used for call Ev */ | |
2136 | static void gen_push_T1(DisasContext *s) | |
2c0262af | 2137 | { |
14ce26e7 FB |
2138 | #ifdef TARGET_X86_64 |
2139 | if (CODE64(s)) { | |
57fec1fe | 2140 | gen_op_movq_A0_reg(R_ESP); |
8f091a59 | 2141 | if (s->dflag) { |
57fec1fe FB |
2142 | gen_op_addq_A0_im(-8); |
2143 | gen_op_st_T1_A0(OT_QUAD + s->mem_index); | |
8f091a59 | 2144 | } else { |
57fec1fe FB |
2145 | gen_op_addq_A0_im(-2); |
2146 | gen_op_st_T0_A0(OT_WORD + s->mem_index); | |
8f091a59 | 2147 | } |
57fec1fe | 2148 | gen_op_mov_reg_A0(2, R_ESP); |
5fafdf24 | 2149 | } else |
14ce26e7 FB |
2150 | #endif |
2151 | { | |
57fec1fe | 2152 | gen_op_movl_A0_reg(R_ESP); |
14ce26e7 | 2153 | if (!s->dflag) |
57fec1fe | 2154 | gen_op_addl_A0_im(-2); |
14ce26e7 | 2155 | else |
57fec1fe | 2156 | gen_op_addl_A0_im(-4); |
14ce26e7 FB |
2157 | if (s->ss32) { |
2158 | if (s->addseg) { | |
57fec1fe | 2159 | gen_op_addl_A0_seg(R_SS); |
14ce26e7 FB |
2160 | } |
2161 | } else { | |
2162 | gen_op_andl_A0_ffff(); | |
57fec1fe | 2163 | gen_op_addl_A0_seg(R_SS); |
2c0262af | 2164 | } |
57fec1fe | 2165 | gen_op_st_T1_A0(s->dflag + 1 + s->mem_index); |
3b46e624 | 2166 | |
14ce26e7 | 2167 | if (s->ss32 && !s->addseg) |
57fec1fe | 2168 | gen_op_mov_reg_A0(1, R_ESP); |
14ce26e7 FB |
2169 | else |
2170 | gen_stack_update(s, (-2) << s->dflag); | |
2c0262af FB |
2171 | } |
2172 | } | |
2173 | ||
4f31916f FB |
2174 | /* two step pop is necessary for precise exceptions */ |
2175 | static void gen_pop_T0(DisasContext *s) | |
2c0262af | 2176 | { |
14ce26e7 FB |
2177 | #ifdef TARGET_X86_64 |
2178 | if (CODE64(s)) { | |
57fec1fe FB |
2179 | gen_op_movq_A0_reg(R_ESP); |
2180 | gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index); | |
5fafdf24 | 2181 | } else |
14ce26e7 FB |
2182 | #endif |
2183 | { | |
57fec1fe | 2184 | gen_op_movl_A0_reg(R_ESP); |
14ce26e7 FB |
2185 | if (s->ss32) { |
2186 | if (s->addseg) | |
57fec1fe | 2187 | gen_op_addl_A0_seg(R_SS); |
14ce26e7 FB |
2188 | } else { |
2189 | gen_op_andl_A0_ffff(); | |
57fec1fe | 2190 | gen_op_addl_A0_seg(R_SS); |
14ce26e7 | 2191 | } |
57fec1fe | 2192 | gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index); |
2c0262af FB |
2193 | } |
2194 | } | |
2195 | ||
2196 | static void gen_pop_update(DisasContext *s) | |
2197 | { | |
14ce26e7 | 2198 | #ifdef TARGET_X86_64 |
8f091a59 | 2199 | if (CODE64(s) && s->dflag) { |
14ce26e7 FB |
2200 | gen_stack_update(s, 8); |
2201 | } else | |
2202 | #endif | |
2203 | { | |
2204 | gen_stack_update(s, 2 << s->dflag); | |
2205 | } | |
2c0262af FB |
2206 | } |
2207 | ||
2208 | static void gen_stack_A0(DisasContext *s) | |
2209 | { | |
57fec1fe | 2210 | gen_op_movl_A0_reg(R_ESP); |
2c0262af FB |
2211 | if (!s->ss32) |
2212 | gen_op_andl_A0_ffff(); | |
2213 | gen_op_movl_T1_A0(); | |
2214 | if (s->addseg) | |
57fec1fe | 2215 | gen_op_addl_A0_seg(R_SS); |
2c0262af FB |
2216 | } |
2217 | ||
2218 | /* NOTE: wrap around in 16 bit not fully handled */ | |
2219 | static void gen_pusha(DisasContext *s) | |
2220 | { | |
2221 | int i; | |
57fec1fe | 2222 | gen_op_movl_A0_reg(R_ESP); |
2c0262af FB |
2223 | gen_op_addl_A0_im(-16 << s->dflag); |
2224 | if (!s->ss32) | |
2225 | gen_op_andl_A0_ffff(); | |
2226 | gen_op_movl_T1_A0(); | |
2227 | if (s->addseg) | |
57fec1fe | 2228 | gen_op_addl_A0_seg(R_SS); |
2c0262af | 2229 | for(i = 0;i < 8; i++) { |
57fec1fe FB |
2230 | gen_op_mov_TN_reg(OT_LONG, 0, 7 - i); |
2231 | gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index); | |
2c0262af FB |
2232 | gen_op_addl_A0_im(2 << s->dflag); |
2233 | } | |
57fec1fe | 2234 | gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
2c0262af FB |
2235 | } |
2236 | ||
2237 | /* NOTE: wrap around in 16 bit not fully handled */ | |
2238 | static void gen_popa(DisasContext *s) | |
2239 | { | |
2240 | int i; | |
57fec1fe | 2241 | gen_op_movl_A0_reg(R_ESP); |
2c0262af FB |
2242 | if (!s->ss32) |
2243 | gen_op_andl_A0_ffff(); | |
2244 | gen_op_movl_T1_A0(); | |
2245 | gen_op_addl_T1_im(16 << s->dflag); | |
2246 | if (s->addseg) | |
57fec1fe | 2247 | gen_op_addl_A0_seg(R_SS); |
2c0262af FB |
2248 | for(i = 0;i < 8; i++) { |
2249 | /* ESP is not reloaded */ | |
2250 | if (i != 3) { | |
57fec1fe FB |
2251 | gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index); |
2252 | gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i); | |
2c0262af FB |
2253 | } |
2254 | gen_op_addl_A0_im(2 << s->dflag); | |
2255 | } | |
57fec1fe | 2256 | gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
2c0262af FB |
2257 | } |
2258 | ||
2c0262af FB |
2259 | static void gen_enter(DisasContext *s, int esp_addend, int level) |
2260 | { | |
61a8c4ec | 2261 | int ot, opsize; |
2c0262af | 2262 | |
2c0262af | 2263 | level &= 0x1f; |
8f091a59 FB |
2264 | #ifdef TARGET_X86_64 |
2265 | if (CODE64(s)) { | |
2266 | ot = s->dflag ? OT_QUAD : OT_WORD; | |
2267 | opsize = 1 << ot; | |
3b46e624 | 2268 | |
57fec1fe | 2269 | gen_op_movl_A0_reg(R_ESP); |
8f091a59 FB |
2270 | gen_op_addq_A0_im(-opsize); |
2271 | gen_op_movl_T1_A0(); | |
2272 | ||
2273 | /* push bp */ | |
57fec1fe FB |
2274 | gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
2275 | gen_op_st_T0_A0(ot + s->mem_index); | |
8f091a59 FB |
2276 | if (level) { |
2277 | gen_op_enter64_level(level, (ot == OT_QUAD)); | |
2278 | } | |
57fec1fe | 2279 | gen_op_mov_reg_T1(ot, R_EBP); |
8f091a59 | 2280 | gen_op_addl_T1_im( -esp_addend + (-opsize * level) ); |
57fec1fe | 2281 | gen_op_mov_reg_T1(OT_QUAD, R_ESP); |
5fafdf24 | 2282 | } else |
8f091a59 FB |
2283 | #endif |
2284 | { | |
2285 | ot = s->dflag + OT_WORD; | |
2286 | opsize = 2 << s->dflag; | |
3b46e624 | 2287 | |
57fec1fe | 2288 | gen_op_movl_A0_reg(R_ESP); |
8f091a59 FB |
2289 | gen_op_addl_A0_im(-opsize); |
2290 | if (!s->ss32) | |
2291 | gen_op_andl_A0_ffff(); | |
2292 | gen_op_movl_T1_A0(); | |
2293 | if (s->addseg) | |
57fec1fe | 2294 | gen_op_addl_A0_seg(R_SS); |
8f091a59 | 2295 | /* push bp */ |
57fec1fe FB |
2296 | gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
2297 | gen_op_st_T0_A0(ot + s->mem_index); | |
8f091a59 FB |
2298 | if (level) { |
2299 | gen_op_enter_level(level, s->dflag); | |
2300 | } | |
57fec1fe | 2301 | gen_op_mov_reg_T1(ot, R_EBP); |
8f091a59 | 2302 | gen_op_addl_T1_im( -esp_addend + (-opsize * level) ); |
57fec1fe | 2303 | gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
2c0262af | 2304 | } |
2c0262af FB |
2305 | } |
2306 | ||
14ce26e7 | 2307 | static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip) |
2c0262af FB |
2308 | { |
2309 | if (s->cc_op != CC_OP_DYNAMIC) | |
2310 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 2311 | gen_jmp_im(cur_eip); |
2c0262af FB |
2312 | gen_op_raise_exception(trapno); |
2313 | s->is_jmp = 3; | |
2314 | } | |
2315 | ||
2316 | /* an interrupt is different from an exception because of the | |
7f75ffd3 | 2317 | privilege checks */ |
5fafdf24 | 2318 | static void gen_interrupt(DisasContext *s, int intno, |
14ce26e7 | 2319 | target_ulong cur_eip, target_ulong next_eip) |
2c0262af FB |
2320 | { |
2321 | if (s->cc_op != CC_OP_DYNAMIC) | |
2322 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 2323 | gen_jmp_im(cur_eip); |
a8ede8ba | 2324 | gen_op_raise_interrupt(intno, (int)(next_eip - cur_eip)); |
2c0262af FB |
2325 | s->is_jmp = 3; |
2326 | } | |
2327 | ||
14ce26e7 | 2328 | static void gen_debug(DisasContext *s, target_ulong cur_eip) |
2c0262af FB |
2329 | { |
2330 | if (s->cc_op != CC_OP_DYNAMIC) | |
2331 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 2332 | gen_jmp_im(cur_eip); |
2c0262af FB |
2333 | gen_op_debug(); |
2334 | s->is_jmp = 3; | |
2335 | } | |
2336 | ||
2337 | /* generate a generic end of block. Trace exception is also generated | |
2338 | if needed */ | |
2339 | static void gen_eob(DisasContext *s) | |
2340 | { | |
2341 | if (s->cc_op != CC_OP_DYNAMIC) | |
2342 | gen_op_set_cc_op(s->cc_op); | |
a2cc3b24 FB |
2343 | if (s->tb->flags & HF_INHIBIT_IRQ_MASK) { |
2344 | gen_op_reset_inhibit_irq(); | |
2345 | } | |
34865134 FB |
2346 | if (s->singlestep_enabled) { |
2347 | gen_op_debug(); | |
2348 | } else if (s->tf) { | |
88fe8a41 | 2349 | gen_op_single_step(); |
2c0262af | 2350 | } else { |
57fec1fe | 2351 | tcg_gen_exit_tb(0); |
2c0262af FB |
2352 | } |
2353 | s->is_jmp = 3; | |
2354 | } | |
2355 | ||
2356 | /* generate a jump to eip. No segment change must happen before as a | |
2357 | direct call to the next block may occur */ | |
14ce26e7 | 2358 | static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num) |
2c0262af | 2359 | { |
2c0262af | 2360 | if (s->jmp_opt) { |
6e256c93 | 2361 | if (s->cc_op != CC_OP_DYNAMIC) { |
2c0262af | 2362 | gen_op_set_cc_op(s->cc_op); |
6e256c93 FB |
2363 | s->cc_op = CC_OP_DYNAMIC; |
2364 | } | |
2365 | gen_goto_tb(s, tb_num, eip); | |
2c0262af FB |
2366 | s->is_jmp = 3; |
2367 | } else { | |
14ce26e7 | 2368 | gen_jmp_im(eip); |
2c0262af FB |
2369 | gen_eob(s); |
2370 | } | |
2371 | } | |
2372 | ||
14ce26e7 FB |
2373 | static void gen_jmp(DisasContext *s, target_ulong eip) |
2374 | { | |
2375 | gen_jmp_tb(s, eip, 0); | |
2376 | } | |
2377 | ||
664e0f19 FB |
2378 | static GenOpFunc1 *gen_ldq_env_A0[3] = { |
2379 | gen_op_ldq_raw_env_A0, | |
2380 | #ifndef CONFIG_USER_ONLY | |
2381 | gen_op_ldq_kernel_env_A0, | |
2382 | gen_op_ldq_user_env_A0, | |
2383 | #endif | |
2384 | }; | |
2385 | ||
2386 | static GenOpFunc1 *gen_stq_env_A0[3] = { | |
2387 | gen_op_stq_raw_env_A0, | |
2388 | #ifndef CONFIG_USER_ONLY | |
2389 | gen_op_stq_kernel_env_A0, | |
2390 | gen_op_stq_user_env_A0, | |
2391 | #endif | |
2392 | }; | |
2393 | ||
14ce26e7 FB |
2394 | static GenOpFunc1 *gen_ldo_env_A0[3] = { |
2395 | gen_op_ldo_raw_env_A0, | |
2396 | #ifndef CONFIG_USER_ONLY | |
2397 | gen_op_ldo_kernel_env_A0, | |
2398 | gen_op_ldo_user_env_A0, | |
2399 | #endif | |
2400 | }; | |
2401 | ||
2402 | static GenOpFunc1 *gen_sto_env_A0[3] = { | |
2403 | gen_op_sto_raw_env_A0, | |
2404 | #ifndef CONFIG_USER_ONLY | |
2405 | gen_op_sto_kernel_env_A0, | |
2406 | gen_op_sto_user_env_A0, | |
2407 | #endif | |
2408 | }; | |
2409 | ||
664e0f19 FB |
2410 | #define SSE_SPECIAL ((GenOpFunc2 *)1) |
2411 | ||
2412 | #define MMX_OP2(x) { gen_op_ ## x ## _mmx, gen_op_ ## x ## _xmm } | |
2413 | #define SSE_FOP(x) { gen_op_ ## x ## ps, gen_op_ ## x ## pd, \ | |
2414 | gen_op_ ## x ## ss, gen_op_ ## x ## sd, } | |
2415 | ||
2416 | static GenOpFunc2 *sse_op_table1[256][4] = { | |
2417 | /* pure SSE operations */ | |
2418 | [0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ | |
2419 | [0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ | |
465e9838 | 2420 | [0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */ |
664e0f19 FB |
2421 | [0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */ |
2422 | [0x14] = { gen_op_punpckldq_xmm, gen_op_punpcklqdq_xmm }, | |
2423 | [0x15] = { gen_op_punpckhdq_xmm, gen_op_punpckhqdq_xmm }, | |
2424 | [0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */ | |
2425 | [0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */ | |
2426 | ||
2427 | [0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ | |
2428 | [0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ | |
2429 | [0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */ | |
2430 | [0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */ | |
2431 | [0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */ | |
2432 | [0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */ | |
2433 | [0x2e] = { gen_op_ucomiss, gen_op_ucomisd }, | |
2434 | [0x2f] = { gen_op_comiss, gen_op_comisd }, | |
2435 | [0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */ | |
2436 | [0x51] = SSE_FOP(sqrt), | |
2437 | [0x52] = { gen_op_rsqrtps, NULL, gen_op_rsqrtss, NULL }, | |
2438 | [0x53] = { gen_op_rcpps, NULL, gen_op_rcpss, NULL }, | |
2439 | [0x54] = { gen_op_pand_xmm, gen_op_pand_xmm }, /* andps, andpd */ | |
2440 | [0x55] = { gen_op_pandn_xmm, gen_op_pandn_xmm }, /* andnps, andnpd */ | |
2441 | [0x56] = { gen_op_por_xmm, gen_op_por_xmm }, /* orps, orpd */ | |
2442 | [0x57] = { gen_op_pxor_xmm, gen_op_pxor_xmm }, /* xorps, xorpd */ | |
2443 | [0x58] = SSE_FOP(add), | |
2444 | [0x59] = SSE_FOP(mul), | |
5fafdf24 | 2445 | [0x5a] = { gen_op_cvtps2pd, gen_op_cvtpd2ps, |
664e0f19 FB |
2446 | gen_op_cvtss2sd, gen_op_cvtsd2ss }, |
2447 | [0x5b] = { gen_op_cvtdq2ps, gen_op_cvtps2dq, gen_op_cvttps2dq }, | |
2448 | [0x5c] = SSE_FOP(sub), | |
2449 | [0x5d] = SSE_FOP(min), | |
2450 | [0x5e] = SSE_FOP(div), | |
2451 | [0x5f] = SSE_FOP(max), | |
2452 | ||
2453 | [0xc2] = SSE_FOP(cmpeq), | |
d52cf7a6 | 2454 | [0xc6] = { (GenOpFunc2 *)gen_op_shufps, (GenOpFunc2 *)gen_op_shufpd }, |
664e0f19 FB |
2455 | |
2456 | /* MMX ops and their SSE extensions */ | |
2457 | [0x60] = MMX_OP2(punpcklbw), | |
2458 | [0x61] = MMX_OP2(punpcklwd), | |
2459 | [0x62] = MMX_OP2(punpckldq), | |
2460 | [0x63] = MMX_OP2(packsswb), | |
2461 | [0x64] = MMX_OP2(pcmpgtb), | |
2462 | [0x65] = MMX_OP2(pcmpgtw), | |
2463 | [0x66] = MMX_OP2(pcmpgtl), | |
2464 | [0x67] = MMX_OP2(packuswb), | |
2465 | [0x68] = MMX_OP2(punpckhbw), | |
2466 | [0x69] = MMX_OP2(punpckhwd), | |
2467 | [0x6a] = MMX_OP2(punpckhdq), | |
2468 | [0x6b] = MMX_OP2(packssdw), | |
2469 | [0x6c] = { NULL, gen_op_punpcklqdq_xmm }, | |
2470 | [0x6d] = { NULL, gen_op_punpckhqdq_xmm }, | |
2471 | [0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */ | |
2472 | [0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */ | |
5fafdf24 TS |
2473 | [0x70] = { (GenOpFunc2 *)gen_op_pshufw_mmx, |
2474 | (GenOpFunc2 *)gen_op_pshufd_xmm, | |
2475 | (GenOpFunc2 *)gen_op_pshufhw_xmm, | |
664e0f19 FB |
2476 | (GenOpFunc2 *)gen_op_pshuflw_xmm }, |
2477 | [0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */ | |
2478 | [0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */ | |
2479 | [0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */ | |
2480 | [0x74] = MMX_OP2(pcmpeqb), | |
2481 | [0x75] = MMX_OP2(pcmpeqw), | |
2482 | [0x76] = MMX_OP2(pcmpeql), | |
2483 | [0x77] = { SSE_SPECIAL }, /* emms */ | |
2484 | [0x7c] = { NULL, gen_op_haddpd, NULL, gen_op_haddps }, | |
2485 | [0x7d] = { NULL, gen_op_hsubpd, NULL, gen_op_hsubps }, | |
2486 | [0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */ | |
2487 | [0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */ | |
2488 | [0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */ | |
2489 | [0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */ | |
2490 | [0xd0] = { NULL, gen_op_addsubpd, NULL, gen_op_addsubps }, | |
2491 | [0xd1] = MMX_OP2(psrlw), | |
2492 | [0xd2] = MMX_OP2(psrld), | |
2493 | [0xd3] = MMX_OP2(psrlq), | |
2494 | [0xd4] = MMX_OP2(paddq), | |
2495 | [0xd5] = MMX_OP2(pmullw), | |
2496 | [0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, | |
2497 | [0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */ | |
2498 | [0xd8] = MMX_OP2(psubusb), | |
2499 | [0xd9] = MMX_OP2(psubusw), | |
2500 | [0xda] = MMX_OP2(pminub), | |
2501 | [0xdb] = MMX_OP2(pand), | |
2502 | [0xdc] = MMX_OP2(paddusb), | |
2503 | [0xdd] = MMX_OP2(paddusw), | |
2504 | [0xde] = MMX_OP2(pmaxub), | |
2505 | [0xdf] = MMX_OP2(pandn), | |
2506 | [0xe0] = MMX_OP2(pavgb), | |
2507 | [0xe1] = MMX_OP2(psraw), | |
2508 | [0xe2] = MMX_OP2(psrad), | |
2509 | [0xe3] = MMX_OP2(pavgw), | |
2510 | [0xe4] = MMX_OP2(pmulhuw), | |
2511 | [0xe5] = MMX_OP2(pmulhw), | |
2512 | [0xe6] = { NULL, gen_op_cvttpd2dq, gen_op_cvtdq2pd, gen_op_cvtpd2dq }, | |
2513 | [0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */ | |
2514 | [0xe8] = MMX_OP2(psubsb), | |
2515 | [0xe9] = MMX_OP2(psubsw), | |
2516 | [0xea] = MMX_OP2(pminsw), | |
2517 | [0xeb] = MMX_OP2(por), | |
2518 | [0xec] = MMX_OP2(paddsb), | |
2519 | [0xed] = MMX_OP2(paddsw), | |
2520 | [0xee] = MMX_OP2(pmaxsw), | |
2521 | [0xef] = MMX_OP2(pxor), | |
465e9838 | 2522 | [0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */ |
664e0f19 FB |
2523 | [0xf1] = MMX_OP2(psllw), |
2524 | [0xf2] = MMX_OP2(pslld), | |
2525 | [0xf3] = MMX_OP2(psllq), | |
2526 | [0xf4] = MMX_OP2(pmuludq), | |
2527 | [0xf5] = MMX_OP2(pmaddwd), | |
2528 | [0xf6] = MMX_OP2(psadbw), | |
2529 | [0xf7] = MMX_OP2(maskmov), | |
2530 | [0xf8] = MMX_OP2(psubb), | |
2531 | [0xf9] = MMX_OP2(psubw), | |
2532 | [0xfa] = MMX_OP2(psubl), | |
2533 | [0xfb] = MMX_OP2(psubq), | |
2534 | [0xfc] = MMX_OP2(paddb), | |
2535 | [0xfd] = MMX_OP2(paddw), | |
2536 | [0xfe] = MMX_OP2(paddl), | |
2537 | }; | |
2538 | ||
2539 | static GenOpFunc2 *sse_op_table2[3 * 8][2] = { | |
2540 | [0 + 2] = MMX_OP2(psrlw), | |
2541 | [0 + 4] = MMX_OP2(psraw), | |
2542 | [0 + 6] = MMX_OP2(psllw), | |
2543 | [8 + 2] = MMX_OP2(psrld), | |
2544 | [8 + 4] = MMX_OP2(psrad), | |
2545 | [8 + 6] = MMX_OP2(pslld), | |
2546 | [16 + 2] = MMX_OP2(psrlq), | |
2547 | [16 + 3] = { NULL, gen_op_psrldq_xmm }, | |
2548 | [16 + 6] = MMX_OP2(psllq), | |
2549 | [16 + 7] = { NULL, gen_op_pslldq_xmm }, | |
2550 | }; | |
2551 | ||
2552 | static GenOpFunc1 *sse_op_table3[4 * 3] = { | |
2553 | gen_op_cvtsi2ss, | |
2554 | gen_op_cvtsi2sd, | |
2555 | X86_64_ONLY(gen_op_cvtsq2ss), | |
2556 | X86_64_ONLY(gen_op_cvtsq2sd), | |
3b46e624 | 2557 | |
664e0f19 FB |
2558 | gen_op_cvttss2si, |
2559 | gen_op_cvttsd2si, | |
2560 | X86_64_ONLY(gen_op_cvttss2sq), | |
2561 | X86_64_ONLY(gen_op_cvttsd2sq), | |
2562 | ||
2563 | gen_op_cvtss2si, | |
2564 | gen_op_cvtsd2si, | |
2565 | X86_64_ONLY(gen_op_cvtss2sq), | |
2566 | X86_64_ONLY(gen_op_cvtsd2sq), | |
2567 | }; | |
3b46e624 | 2568 | |
664e0f19 FB |
2569 | static GenOpFunc2 *sse_op_table4[8][4] = { |
2570 | SSE_FOP(cmpeq), | |
2571 | SSE_FOP(cmplt), | |
2572 | SSE_FOP(cmple), | |
2573 | SSE_FOP(cmpunord), | |
2574 | SSE_FOP(cmpneq), | |
2575 | SSE_FOP(cmpnlt), | |
2576 | SSE_FOP(cmpnle), | |
2577 | SSE_FOP(cmpord), | |
2578 | }; | |
3b46e624 | 2579 | |
664e0f19 FB |
2580 | static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r) |
2581 | { | |
2582 | int b1, op1_offset, op2_offset, is_xmm, val, ot; | |
2583 | int modrm, mod, rm, reg, reg_addr, offset_addr; | |
2584 | GenOpFunc2 *sse_op2; | |
2585 | GenOpFunc3 *sse_op3; | |
2586 | ||
2587 | b &= 0xff; | |
5fafdf24 | 2588 | if (s->prefix & PREFIX_DATA) |
664e0f19 | 2589 | b1 = 1; |
5fafdf24 | 2590 | else if (s->prefix & PREFIX_REPZ) |
664e0f19 | 2591 | b1 = 2; |
5fafdf24 | 2592 | else if (s->prefix & PREFIX_REPNZ) |
664e0f19 FB |
2593 | b1 = 3; |
2594 | else | |
2595 | b1 = 0; | |
2596 | sse_op2 = sse_op_table1[b][b1]; | |
5fafdf24 | 2597 | if (!sse_op2) |
664e0f19 FB |
2598 | goto illegal_op; |
2599 | if (b <= 0x5f || b == 0xc6 || b == 0xc2) { | |
2600 | is_xmm = 1; | |
2601 | } else { | |
2602 | if (b1 == 0) { | |
2603 | /* MMX case */ | |
2604 | is_xmm = 0; | |
2605 | } else { | |
2606 | is_xmm = 1; | |
2607 | } | |
2608 | } | |
2609 | /* simple MMX/SSE operation */ | |
2610 | if (s->flags & HF_TS_MASK) { | |
2611 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
2612 | return; | |
2613 | } | |
2614 | if (s->flags & HF_EM_MASK) { | |
2615 | illegal_op: | |
2616 | gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); | |
2617 | return; | |
2618 | } | |
2619 | if (is_xmm && !(s->flags & HF_OSFXSR_MASK)) | |
2620 | goto illegal_op; | |
2621 | if (b == 0x77) { | |
2622 | /* emms */ | |
2623 | gen_op_emms(); | |
2624 | return; | |
2625 | } | |
2626 | /* prepare MMX state (XXX: optimize by storing fptt and fptags in | |
2627 | the static cpu state) */ | |
2628 | if (!is_xmm) { | |
2629 | gen_op_enter_mmx(); | |
2630 | } | |
2631 | ||
2632 | modrm = ldub_code(s->pc++); | |
2633 | reg = ((modrm >> 3) & 7); | |
2634 | if (is_xmm) | |
2635 | reg |= rex_r; | |
2636 | mod = (modrm >> 6) & 3; | |
2637 | if (sse_op2 == SSE_SPECIAL) { | |
2638 | b |= (b1 << 8); | |
2639 | switch(b) { | |
2640 | case 0x0e7: /* movntq */ | |
5fafdf24 | 2641 | if (mod == 3) |
664e0f19 FB |
2642 | goto illegal_op; |
2643 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2644 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); | |
2645 | break; | |
2646 | case 0x1e7: /* movntdq */ | |
2647 | case 0x02b: /* movntps */ | |
2648 | case 0x12b: /* movntps */ | |
465e9838 FB |
2649 | case 0x3f0: /* lddqu */ |
2650 | if (mod == 3) | |
664e0f19 FB |
2651 | goto illegal_op; |
2652 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2653 | gen_sto_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2654 | break; | |
2655 | case 0x6e: /* movd mm, ea */ | |
dabd98dd FB |
2656 | #ifdef TARGET_X86_64 |
2657 | if (s->dflag == 2) { | |
2658 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); | |
2659 | gen_op_movq_mm_T0_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
5fafdf24 | 2660 | } else |
dabd98dd FB |
2661 | #endif |
2662 | { | |
2663 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); | |
2664 | gen_op_movl_mm_T0_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2665 | } | |
664e0f19 FB |
2666 | break; |
2667 | case 0x16e: /* movd xmm, ea */ | |
dabd98dd FB |
2668 | #ifdef TARGET_X86_64 |
2669 | if (s->dflag == 2) { | |
2670 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); | |
2671 | gen_op_movq_mm_T0_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
5fafdf24 | 2672 | } else |
dabd98dd FB |
2673 | #endif |
2674 | { | |
2675 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); | |
2676 | gen_op_movl_mm_T0_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2677 | } | |
664e0f19 FB |
2678 | break; |
2679 | case 0x6f: /* movq mm, ea */ | |
2680 | if (mod != 3) { | |
2681 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2682 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); | |
2683 | } else { | |
2684 | rm = (modrm & 7); | |
2685 | gen_op_movq(offsetof(CPUX86State,fpregs[reg].mmx), | |
2686 | offsetof(CPUX86State,fpregs[rm].mmx)); | |
2687 | } | |
2688 | break; | |
2689 | case 0x010: /* movups */ | |
2690 | case 0x110: /* movupd */ | |
2691 | case 0x028: /* movaps */ | |
2692 | case 0x128: /* movapd */ | |
2693 | case 0x16f: /* movdqa xmm, ea */ | |
2694 | case 0x26f: /* movdqu xmm, ea */ | |
2695 | if (mod != 3) { | |
2696 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2697 | gen_ldo_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2698 | } else { | |
2699 | rm = (modrm & 7) | REX_B(s); | |
2700 | gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]), | |
2701 | offsetof(CPUX86State,xmm_regs[rm])); | |
2702 | } | |
2703 | break; | |
2704 | case 0x210: /* movss xmm, ea */ | |
2705 | if (mod != 3) { | |
2706 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 2707 | gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
664e0f19 FB |
2708 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
2709 | gen_op_movl_T0_0(); | |
2710 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); | |
2711 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); | |
2712 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); | |
2713 | } else { | |
2714 | rm = (modrm & 7) | REX_B(s); | |
2715 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), | |
2716 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(0))); | |
2717 | } | |
2718 | break; | |
2719 | case 0x310: /* movsd xmm, ea */ | |
2720 | if (mod != 3) { | |
2721 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2722 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2723 | gen_op_movl_T0_0(); | |
2724 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); | |
2725 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); | |
2726 | } else { | |
2727 | rm = (modrm & 7) | REX_B(s); | |
2728 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2729 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2730 | } | |
2731 | break; | |
2732 | case 0x012: /* movlps */ | |
2733 | case 0x112: /* movlpd */ | |
2734 | if (mod != 3) { | |
2735 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2736 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2737 | } else { | |
2738 | /* movhlps */ | |
2739 | rm = (modrm & 7) | REX_B(s); | |
2740 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2741 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1))); | |
2742 | } | |
2743 | break; | |
465e9838 FB |
2744 | case 0x212: /* movsldup */ |
2745 | if (mod != 3) { | |
2746 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2747 | gen_ldo_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2748 | } else { | |
2749 | rm = (modrm & 7) | REX_B(s); | |
2750 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), | |
2751 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(0))); | |
2752 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)), | |
2753 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(2))); | |
2754 | } | |
2755 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)), | |
2756 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
2757 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)), | |
2758 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); | |
2759 | break; | |
2760 | case 0x312: /* movddup */ | |
2761 | if (mod != 3) { | |
2762 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2763 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2764 | } else { | |
2765 | rm = (modrm & 7) | REX_B(s); | |
2766 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2767 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2768 | } | |
2769 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)), | |
ba6526df | 2770 | offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
465e9838 | 2771 | break; |
664e0f19 FB |
2772 | case 0x016: /* movhps */ |
2773 | case 0x116: /* movhpd */ | |
2774 | if (mod != 3) { | |
2775 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2776 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
2777 | } else { | |
2778 | /* movlhps */ | |
2779 | rm = (modrm & 7) | REX_B(s); | |
2780 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)), | |
2781 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2782 | } | |
2783 | break; | |
2784 | case 0x216: /* movshdup */ | |
2785 | if (mod != 3) { | |
2786 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2787 | gen_ldo_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2788 | } else { | |
2789 | rm = (modrm & 7) | REX_B(s); | |
2790 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)), | |
2791 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(1))); | |
2792 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)), | |
2793 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(3))); | |
2794 | } | |
2795 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), | |
2796 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); | |
2797 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)), | |
2798 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); | |
2799 | break; | |
2800 | case 0x7e: /* movd ea, mm */ | |
dabd98dd FB |
2801 | #ifdef TARGET_X86_64 |
2802 | if (s->dflag == 2) { | |
2803 | gen_op_movq_T0_mm_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2804 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); | |
5fafdf24 | 2805 | } else |
dabd98dd FB |
2806 | #endif |
2807 | { | |
2808 | gen_op_movl_T0_mm_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2809 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); | |
2810 | } | |
664e0f19 FB |
2811 | break; |
2812 | case 0x17e: /* movd ea, xmm */ | |
dabd98dd FB |
2813 | #ifdef TARGET_X86_64 |
2814 | if (s->dflag == 2) { | |
2815 | gen_op_movq_T0_mm_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2816 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); | |
5fafdf24 | 2817 | } else |
dabd98dd FB |
2818 | #endif |
2819 | { | |
2820 | gen_op_movl_T0_mm_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2821 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); | |
2822 | } | |
664e0f19 FB |
2823 | break; |
2824 | case 0x27e: /* movq xmm, ea */ | |
2825 | if (mod != 3) { | |
2826 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2827 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2828 | } else { | |
2829 | rm = (modrm & 7) | REX_B(s); | |
2830 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2831 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2832 | } | |
2833 | gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
2834 | break; | |
2835 | case 0x7f: /* movq ea, mm */ | |
2836 | if (mod != 3) { | |
2837 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2838 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); | |
2839 | } else { | |
2840 | rm = (modrm & 7); | |
2841 | gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx), | |
2842 | offsetof(CPUX86State,fpregs[reg].mmx)); | |
2843 | } | |
2844 | break; | |
2845 | case 0x011: /* movups */ | |
2846 | case 0x111: /* movupd */ | |
2847 | case 0x029: /* movaps */ | |
2848 | case 0x129: /* movapd */ | |
2849 | case 0x17f: /* movdqa ea, xmm */ | |
2850 | case 0x27f: /* movdqu ea, xmm */ | |
2851 | if (mod != 3) { | |
2852 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2853 | gen_sto_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2854 | } else { | |
2855 | rm = (modrm & 7) | REX_B(s); | |
2856 | gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]), | |
2857 | offsetof(CPUX86State,xmm_regs[reg])); | |
2858 | } | |
2859 | break; | |
2860 | case 0x211: /* movss ea, xmm */ | |
2861 | if (mod != 3) { | |
2862 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2863 | gen_op_movl_T0_env(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
57fec1fe | 2864 | gen_op_st_T0_A0(OT_LONG + s->mem_index); |
664e0f19 FB |
2865 | } else { |
2866 | rm = (modrm & 7) | REX_B(s); | |
2867 | gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)), | |
2868 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
2869 | } | |
2870 | break; | |
2871 | case 0x311: /* movsd ea, xmm */ | |
2872 | if (mod != 3) { | |
2873 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2874 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2875 | } else { | |
2876 | rm = (modrm & 7) | REX_B(s); | |
2877 | gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)), | |
2878 | offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2879 | } | |
2880 | break; | |
2881 | case 0x013: /* movlps */ | |
2882 | case 0x113: /* movlpd */ | |
2883 | if (mod != 3) { | |
2884 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2885 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2886 | } else { | |
2887 | goto illegal_op; | |
2888 | } | |
2889 | break; | |
2890 | case 0x017: /* movhps */ | |
2891 | case 0x117: /* movhpd */ | |
2892 | if (mod != 3) { | |
2893 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2894 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
2895 | } else { | |
2896 | goto illegal_op; | |
2897 | } | |
2898 | break; | |
2899 | case 0x71: /* shift mm, im */ | |
2900 | case 0x72: | |
2901 | case 0x73: | |
2902 | case 0x171: /* shift xmm, im */ | |
2903 | case 0x172: | |
2904 | case 0x173: | |
2905 | val = ldub_code(s->pc++); | |
2906 | if (is_xmm) { | |
2907 | gen_op_movl_T0_im(val); | |
2908 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); | |
2909 | gen_op_movl_T0_0(); | |
2910 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(1))); | |
2911 | op1_offset = offsetof(CPUX86State,xmm_t0); | |
2912 | } else { | |
2913 | gen_op_movl_T0_im(val); | |
2914 | gen_op_movl_env_T0(offsetof(CPUX86State,mmx_t0.MMX_L(0))); | |
2915 | gen_op_movl_T0_0(); | |
2916 | gen_op_movl_env_T0(offsetof(CPUX86State,mmx_t0.MMX_L(1))); | |
2917 | op1_offset = offsetof(CPUX86State,mmx_t0); | |
2918 | } | |
2919 | sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1]; | |
2920 | if (!sse_op2) | |
2921 | goto illegal_op; | |
2922 | if (is_xmm) { | |
2923 | rm = (modrm & 7) | REX_B(s); | |
2924 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
2925 | } else { | |
2926 | rm = (modrm & 7); | |
2927 | op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); | |
2928 | } | |
2929 | sse_op2(op2_offset, op1_offset); | |
2930 | break; | |
2931 | case 0x050: /* movmskps */ | |
664e0f19 | 2932 | rm = (modrm & 7) | REX_B(s); |
31313213 | 2933 | gen_op_movmskps(offsetof(CPUX86State,xmm_regs[rm])); |
57fec1fe | 2934 | gen_op_mov_reg_T0(OT_LONG, reg); |
664e0f19 FB |
2935 | break; |
2936 | case 0x150: /* movmskpd */ | |
664e0f19 | 2937 | rm = (modrm & 7) | REX_B(s); |
31313213 | 2938 | gen_op_movmskpd(offsetof(CPUX86State,xmm_regs[rm])); |
57fec1fe | 2939 | gen_op_mov_reg_T0(OT_LONG, reg); |
664e0f19 FB |
2940 | break; |
2941 | case 0x02a: /* cvtpi2ps */ | |
2942 | case 0x12a: /* cvtpi2pd */ | |
2943 | gen_op_enter_mmx(); | |
2944 | if (mod != 3) { | |
2945 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2946 | op2_offset = offsetof(CPUX86State,mmx_t0); | |
2947 | gen_ldq_env_A0[s->mem_index >> 2](op2_offset); | |
2948 | } else { | |
2949 | rm = (modrm & 7); | |
2950 | op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); | |
2951 | } | |
2952 | op1_offset = offsetof(CPUX86State,xmm_regs[reg]); | |
2953 | switch(b >> 8) { | |
2954 | case 0x0: | |
2955 | gen_op_cvtpi2ps(op1_offset, op2_offset); | |
2956 | break; | |
2957 | default: | |
2958 | case 0x1: | |
2959 | gen_op_cvtpi2pd(op1_offset, op2_offset); | |
2960 | break; | |
2961 | } | |
2962 | break; | |
2963 | case 0x22a: /* cvtsi2ss */ | |
2964 | case 0x32a: /* cvtsi2sd */ | |
2965 | ot = (s->dflag == 2) ? OT_QUAD : OT_LONG; | |
2966 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); | |
2967 | op1_offset = offsetof(CPUX86State,xmm_regs[reg]); | |
2968 | sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)](op1_offset); | |
2969 | break; | |
2970 | case 0x02c: /* cvttps2pi */ | |
2971 | case 0x12c: /* cvttpd2pi */ | |
2972 | case 0x02d: /* cvtps2pi */ | |
2973 | case 0x12d: /* cvtpd2pi */ | |
2974 | gen_op_enter_mmx(); | |
2975 | if (mod != 3) { | |
2976 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2977 | op2_offset = offsetof(CPUX86State,xmm_t0); | |
2978 | gen_ldo_env_A0[s->mem_index >> 2](op2_offset); | |
2979 | } else { | |
2980 | rm = (modrm & 7) | REX_B(s); | |
2981 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
2982 | } | |
2983 | op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx); | |
2984 | switch(b) { | |
2985 | case 0x02c: | |
2986 | gen_op_cvttps2pi(op1_offset, op2_offset); | |
2987 | break; | |
2988 | case 0x12c: | |
2989 | gen_op_cvttpd2pi(op1_offset, op2_offset); | |
2990 | break; | |
2991 | case 0x02d: | |
2992 | gen_op_cvtps2pi(op1_offset, op2_offset); | |
2993 | break; | |
2994 | case 0x12d: | |
2995 | gen_op_cvtpd2pi(op1_offset, op2_offset); | |
2996 | break; | |
2997 | } | |
2998 | break; | |
2999 | case 0x22c: /* cvttss2si */ | |
3000 | case 0x32c: /* cvttsd2si */ | |
3001 | case 0x22d: /* cvtss2si */ | |
3002 | case 0x32d: /* cvtsd2si */ | |
3003 | ot = (s->dflag == 2) ? OT_QUAD : OT_LONG; | |
31313213 FB |
3004 | if (mod != 3) { |
3005 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3006 | if ((b >> 8) & 1) { | |
3007 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_t0.XMM_Q(0))); | |
3008 | } else { | |
57fec1fe | 3009 | gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
31313213 FB |
3010 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
3011 | } | |
3012 | op2_offset = offsetof(CPUX86State,xmm_t0); | |
3013 | } else { | |
3014 | rm = (modrm & 7) | REX_B(s); | |
3015 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
3016 | } | |
5fafdf24 | 3017 | sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 + |
31313213 | 3018 | (b & 1) * 4](op2_offset); |
57fec1fe | 3019 | gen_op_mov_reg_T0(ot, reg); |
664e0f19 FB |
3020 | break; |
3021 | case 0xc4: /* pinsrw */ | |
5fafdf24 | 3022 | case 0x1c4: |
d1e42c5c | 3023 | s->rip_offset = 1; |
664e0f19 FB |
3024 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
3025 | val = ldub_code(s->pc++); | |
3026 | if (b1) { | |
3027 | val &= 7; | |
3028 | gen_op_pinsrw_xmm(offsetof(CPUX86State,xmm_regs[reg]), val); | |
3029 | } else { | |
3030 | val &= 3; | |
3031 | gen_op_pinsrw_mmx(offsetof(CPUX86State,fpregs[reg].mmx), val); | |
3032 | } | |
3033 | break; | |
3034 | case 0xc5: /* pextrw */ | |
5fafdf24 | 3035 | case 0x1c5: |
664e0f19 FB |
3036 | if (mod != 3) |
3037 | goto illegal_op; | |
3038 | val = ldub_code(s->pc++); | |
3039 | if (b1) { | |
3040 | val &= 7; | |
3041 | rm = (modrm & 7) | REX_B(s); | |
3042 | gen_op_pextrw_xmm(offsetof(CPUX86State,xmm_regs[rm]), val); | |
3043 | } else { | |
3044 | val &= 3; | |
3045 | rm = (modrm & 7); | |
3046 | gen_op_pextrw_mmx(offsetof(CPUX86State,fpregs[rm].mmx), val); | |
3047 | } | |
3048 | reg = ((modrm >> 3) & 7) | rex_r; | |
57fec1fe | 3049 | gen_op_mov_reg_T0(OT_LONG, reg); |
664e0f19 FB |
3050 | break; |
3051 | case 0x1d6: /* movq ea, xmm */ | |
3052 | if (mod != 3) { | |
3053 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3054 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
3055 | } else { | |
3056 | rm = (modrm & 7) | REX_B(s); | |
3057 | gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)), | |
3058 | offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
3059 | gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1))); | |
3060 | } | |
3061 | break; | |
3062 | case 0x2d6: /* movq2dq */ | |
3063 | gen_op_enter_mmx(); | |
480c1cdb FB |
3064 | rm = (modrm & 7); |
3065 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
3066 | offsetof(CPUX86State,fpregs[rm].mmx)); | |
3067 | gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
664e0f19 FB |
3068 | break; |
3069 | case 0x3d6: /* movdq2q */ | |
3070 | gen_op_enter_mmx(); | |
480c1cdb FB |
3071 | rm = (modrm & 7) | REX_B(s); |
3072 | gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx), | |
3073 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
664e0f19 FB |
3074 | break; |
3075 | case 0xd7: /* pmovmskb */ | |
3076 | case 0x1d7: | |
3077 | if (mod != 3) | |
3078 | goto illegal_op; | |
3079 | if (b1) { | |
3080 | rm = (modrm & 7) | REX_B(s); | |
3081 | gen_op_pmovmskb_xmm(offsetof(CPUX86State,xmm_regs[rm])); | |
3082 | } else { | |
3083 | rm = (modrm & 7); | |
3084 | gen_op_pmovmskb_mmx(offsetof(CPUX86State,fpregs[rm].mmx)); | |
3085 | } | |
3086 | reg = ((modrm >> 3) & 7) | rex_r; | |
57fec1fe | 3087 | gen_op_mov_reg_T0(OT_LONG, reg); |
664e0f19 FB |
3088 | break; |
3089 | default: | |
3090 | goto illegal_op; | |
3091 | } | |
3092 | } else { | |
3093 | /* generic MMX or SSE operation */ | |
d1e42c5c FB |
3094 | switch(b) { |
3095 | case 0xf7: | |
664e0f19 | 3096 | /* maskmov : we must prepare A0 */ |
5fafdf24 | 3097 | if (mod != 3) |
664e0f19 FB |
3098 | goto illegal_op; |
3099 | #ifdef TARGET_X86_64 | |
8f091a59 | 3100 | if (s->aflag == 2) { |
57fec1fe | 3101 | gen_op_movq_A0_reg(R_EDI); |
5fafdf24 | 3102 | } else |
664e0f19 FB |
3103 | #endif |
3104 | { | |
57fec1fe | 3105 | gen_op_movl_A0_reg(R_EDI); |
664e0f19 FB |
3106 | if (s->aflag == 0) |
3107 | gen_op_andl_A0_ffff(); | |
3108 | } | |
3109 | gen_add_A0_ds_seg(s); | |
d1e42c5c FB |
3110 | break; |
3111 | case 0x70: /* pshufx insn */ | |
3112 | case 0xc6: /* pshufx insn */ | |
3113 | case 0xc2: /* compare insns */ | |
3114 | s->rip_offset = 1; | |
3115 | break; | |
3116 | default: | |
3117 | break; | |
664e0f19 FB |
3118 | } |
3119 | if (is_xmm) { | |
3120 | op1_offset = offsetof(CPUX86State,xmm_regs[reg]); | |
3121 | if (mod != 3) { | |
3122 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3123 | op2_offset = offsetof(CPUX86State,xmm_t0); | |
480c1cdb | 3124 | if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) || |
664e0f19 FB |
3125 | b == 0xc2)) { |
3126 | /* specific case for SSE single instructions */ | |
3127 | if (b1 == 2) { | |
3128 | /* 32 bit access */ | |
57fec1fe | 3129 | gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
664e0f19 FB |
3130 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
3131 | } else { | |
3132 | /* 64 bit access */ | |
3133 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_t0.XMM_D(0))); | |
3134 | } | |
3135 | } else { | |
3136 | gen_ldo_env_A0[s->mem_index >> 2](op2_offset); | |
3137 | } | |
3138 | } else { | |
3139 | rm = (modrm & 7) | REX_B(s); | |
3140 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
3141 | } | |
3142 | } else { | |
3143 | op1_offset = offsetof(CPUX86State,fpregs[reg].mmx); | |
3144 | if (mod != 3) { | |
3145 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3146 | op2_offset = offsetof(CPUX86State,mmx_t0); | |
3147 | gen_ldq_env_A0[s->mem_index >> 2](op2_offset); | |
3148 | } else { | |
3149 | rm = (modrm & 7); | |
3150 | op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); | |
3151 | } | |
3152 | } | |
3153 | switch(b) { | |
3154 | case 0x70: /* pshufx insn */ | |
3155 | case 0xc6: /* pshufx insn */ | |
3156 | val = ldub_code(s->pc++); | |
3157 | sse_op3 = (GenOpFunc3 *)sse_op2; | |
3158 | sse_op3(op1_offset, op2_offset, val); | |
3159 | break; | |
3160 | case 0xc2: | |
3161 | /* compare insns */ | |
3162 | val = ldub_code(s->pc++); | |
3163 | if (val >= 8) | |
3164 | goto illegal_op; | |
3165 | sse_op2 = sse_op_table4[val][b1]; | |
3166 | sse_op2(op1_offset, op2_offset); | |
3167 | break; | |
3168 | default: | |
3169 | sse_op2(op1_offset, op2_offset); | |
3170 | break; | |
3171 | } | |
3172 | if (b == 0x2e || b == 0x2f) { | |
3173 | s->cc_op = CC_OP_EFLAGS; | |
3174 | } | |
3175 | } | |
3176 | } | |
3177 | ||
3178 | ||
2c0262af FB |
3179 | /* convert one instruction. s->is_jmp is set if the translation must |
3180 | be stopped. Return the next pc value */ | |
14ce26e7 | 3181 | static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
2c0262af FB |
3182 | { |
3183 | int b, prefixes, aflag, dflag; | |
3184 | int shift, ot; | |
3185 | int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val; | |
14ce26e7 FB |
3186 | target_ulong next_eip, tval; |
3187 | int rex_w, rex_r; | |
2c0262af FB |
3188 | |
3189 | s->pc = pc_start; | |
3190 | prefixes = 0; | |
3191 | aflag = s->code32; | |
3192 | dflag = s->code32; | |
3193 | s->override = -1; | |
14ce26e7 FB |
3194 | rex_w = -1; |
3195 | rex_r = 0; | |
3196 | #ifdef TARGET_X86_64 | |
3197 | s->rex_x = 0; | |
3198 | s->rex_b = 0; | |
5fafdf24 | 3199 | x86_64_hregs = 0; |
14ce26e7 FB |
3200 | #endif |
3201 | s->rip_offset = 0; /* for relative ip address */ | |
2c0262af | 3202 | next_byte: |
61382a50 | 3203 | b = ldub_code(s->pc); |
2c0262af FB |
3204 | s->pc++; |
3205 | /* check prefixes */ | |
14ce26e7 FB |
3206 | #ifdef TARGET_X86_64 |
3207 | if (CODE64(s)) { | |
3208 | switch (b) { | |
3209 | case 0xf3: | |
3210 | prefixes |= PREFIX_REPZ; | |
3211 | goto next_byte; | |
3212 | case 0xf2: | |
3213 | prefixes |= PREFIX_REPNZ; | |
3214 | goto next_byte; | |
3215 | case 0xf0: | |
3216 | prefixes |= PREFIX_LOCK; | |
3217 | goto next_byte; | |
3218 | case 0x2e: | |
3219 | s->override = R_CS; | |
3220 | goto next_byte; | |
3221 | case 0x36: | |
3222 | s->override = R_SS; | |
3223 | goto next_byte; | |
3224 | case 0x3e: | |
3225 | s->override = R_DS; | |
3226 | goto next_byte; | |
3227 | case 0x26: | |
3228 | s->override = R_ES; | |
3229 | goto next_byte; | |
3230 | case 0x64: | |
3231 | s->override = R_FS; | |
3232 | goto next_byte; | |
3233 | case 0x65: | |
3234 | s->override = R_GS; | |
3235 | goto next_byte; | |
3236 | case 0x66: | |
3237 | prefixes |= PREFIX_DATA; | |
3238 | goto next_byte; | |
3239 | case 0x67: | |
3240 | prefixes |= PREFIX_ADR; | |
3241 | goto next_byte; | |
3242 | case 0x40 ... 0x4f: | |
3243 | /* REX prefix */ | |
3244 | rex_w = (b >> 3) & 1; | |
3245 | rex_r = (b & 0x4) << 1; | |
3246 | s->rex_x = (b & 0x2) << 2; | |
3247 | REX_B(s) = (b & 0x1) << 3; | |
3248 | x86_64_hregs = 1; /* select uniform byte register addressing */ | |
3249 | goto next_byte; | |
3250 | } | |
3251 | if (rex_w == 1) { | |
3252 | /* 0x66 is ignored if rex.w is set */ | |
3253 | dflag = 2; | |
3254 | } else { | |
3255 | if (prefixes & PREFIX_DATA) | |
3256 | dflag ^= 1; | |
3257 | } | |
3258 | if (!(prefixes & PREFIX_ADR)) | |
3259 | aflag = 2; | |
5fafdf24 | 3260 | } else |
14ce26e7 FB |
3261 | #endif |
3262 | { | |
3263 | switch (b) { | |
3264 | case 0xf3: | |
3265 | prefixes |= PREFIX_REPZ; | |
3266 | goto next_byte; | |
3267 | case 0xf2: | |
3268 | prefixes |= PREFIX_REPNZ; | |
3269 | goto next_byte; | |
3270 | case 0xf0: | |
3271 | prefixes |= PREFIX_LOCK; | |
3272 | goto next_byte; | |
3273 | case 0x2e: | |
3274 | s->override = R_CS; | |
3275 | goto next_byte; | |
3276 | case 0x36: | |
3277 | s->override = R_SS; | |
3278 | goto next_byte; | |
3279 | case 0x3e: | |
3280 | s->override = R_DS; | |
3281 | goto next_byte; | |
3282 | case 0x26: | |
3283 | s->override = R_ES; | |
3284 | goto next_byte; | |
3285 | case 0x64: | |
3286 | s->override = R_FS; | |
3287 | goto next_byte; | |
3288 | case 0x65: | |
3289 | s->override = R_GS; | |
3290 | goto next_byte; | |
3291 | case 0x66: | |
3292 | prefixes |= PREFIX_DATA; | |
3293 | goto next_byte; | |
3294 | case 0x67: | |
3295 | prefixes |= PREFIX_ADR; | |
3296 | goto next_byte; | |
3297 | } | |
3298 | if (prefixes & PREFIX_DATA) | |
3299 | dflag ^= 1; | |
3300 | if (prefixes & PREFIX_ADR) | |
3301 | aflag ^= 1; | |
2c0262af FB |
3302 | } |
3303 | ||
2c0262af FB |
3304 | s->prefix = prefixes; |
3305 | s->aflag = aflag; | |
3306 | s->dflag = dflag; | |
3307 | ||
3308 | /* lock generation */ | |
3309 | if (prefixes & PREFIX_LOCK) | |
3310 | gen_op_lock(); | |
3311 | ||
3312 | /* now check op code */ | |
3313 | reswitch: | |
3314 | switch(b) { | |
3315 | case 0x0f: | |
3316 | /**************************/ | |
3317 | /* extended op code */ | |
61382a50 | 3318 | b = ldub_code(s->pc++) | 0x100; |
2c0262af | 3319 | goto reswitch; |
3b46e624 | 3320 | |
2c0262af FB |
3321 | /**************************/ |
3322 | /* arith & logic */ | |
3323 | case 0x00 ... 0x05: | |
3324 | case 0x08 ... 0x0d: | |
3325 | case 0x10 ... 0x15: | |
3326 | case 0x18 ... 0x1d: | |
3327 | case 0x20 ... 0x25: | |
3328 | case 0x28 ... 0x2d: | |
3329 | case 0x30 ... 0x35: | |
3330 | case 0x38 ... 0x3d: | |
3331 | { | |
3332 | int op, f, val; | |
3333 | op = (b >> 3) & 7; | |
3334 | f = (b >> 1) & 3; | |
3335 | ||
3336 | if ((b & 1) == 0) | |
3337 | ot = OT_BYTE; | |
3338 | else | |
14ce26e7 | 3339 | ot = dflag + OT_WORD; |
3b46e624 | 3340 | |
2c0262af FB |
3341 | switch(f) { |
3342 | case 0: /* OP Ev, Gv */ | |
61382a50 | 3343 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3344 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 3345 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3346 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3347 | if (mod != 3) { |
3348 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3349 | opreg = OR_TMP0; | |
3350 | } else if (op == OP_XORL && rm == reg) { | |
3351 | xor_zero: | |
3352 | /* xor reg, reg optimisation */ | |
3353 | gen_op_movl_T0_0(); | |
3354 | s->cc_op = CC_OP_LOGICB + ot; | |
57fec1fe | 3355 | gen_op_mov_reg_T0(ot, reg); |
2c0262af FB |
3356 | gen_op_update1_cc(); |
3357 | break; | |
3358 | } else { | |
3359 | opreg = rm; | |
3360 | } | |
57fec1fe | 3361 | gen_op_mov_TN_reg(ot, 1, reg); |
2c0262af FB |
3362 | gen_op(s, op, ot, opreg); |
3363 | break; | |
3364 | case 1: /* OP Gv, Ev */ | |
61382a50 | 3365 | modrm = ldub_code(s->pc++); |
2c0262af | 3366 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
3367 | reg = ((modrm >> 3) & 7) | rex_r; |
3368 | rm = (modrm & 7) | REX_B(s); | |
2c0262af FB |
3369 | if (mod != 3) { |
3370 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 3371 | gen_op_ld_T1_A0(ot + s->mem_index); |
2c0262af FB |
3372 | } else if (op == OP_XORL && rm == reg) { |
3373 | goto xor_zero; | |
3374 | } else { | |
57fec1fe | 3375 | gen_op_mov_TN_reg(ot, 1, rm); |
2c0262af FB |
3376 | } |
3377 | gen_op(s, op, ot, reg); | |
3378 | break; | |
3379 | case 2: /* OP A, Iv */ | |
3380 | val = insn_get(s, ot); | |
3381 | gen_op_movl_T1_im(val); | |
3382 | gen_op(s, op, ot, OR_EAX); | |
3383 | break; | |
3384 | } | |
3385 | } | |
3386 | break; | |
3387 | ||
3388 | case 0x80: /* GRP1 */ | |
3389 | case 0x81: | |
d64477af | 3390 | case 0x82: |
2c0262af FB |
3391 | case 0x83: |
3392 | { | |
3393 | int val; | |
3394 | ||
3395 | if ((b & 1) == 0) | |
3396 | ot = OT_BYTE; | |
3397 | else | |
14ce26e7 | 3398 | ot = dflag + OT_WORD; |
3b46e624 | 3399 | |
61382a50 | 3400 | modrm = ldub_code(s->pc++); |
2c0262af | 3401 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3402 | rm = (modrm & 7) | REX_B(s); |
2c0262af | 3403 | op = (modrm >> 3) & 7; |
3b46e624 | 3404 | |
2c0262af | 3405 | if (mod != 3) { |
14ce26e7 FB |
3406 | if (b == 0x83) |
3407 | s->rip_offset = 1; | |
3408 | else | |
3409 | s->rip_offset = insn_const_size(ot); | |
2c0262af FB |
3410 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3411 | opreg = OR_TMP0; | |
3412 | } else { | |
14ce26e7 | 3413 | opreg = rm; |
2c0262af FB |
3414 | } |
3415 | ||
3416 | switch(b) { | |
3417 | default: | |
3418 | case 0x80: | |
3419 | case 0x81: | |
d64477af | 3420 | case 0x82: |
2c0262af FB |
3421 | val = insn_get(s, ot); |
3422 | break; | |
3423 | case 0x83: | |
3424 | val = (int8_t)insn_get(s, OT_BYTE); | |
3425 | break; | |
3426 | } | |
3427 | gen_op_movl_T1_im(val); | |
3428 | gen_op(s, op, ot, opreg); | |
3429 | } | |
3430 | break; | |
3431 | ||
3432 | /**************************/ | |
3433 | /* inc, dec, and other misc arith */ | |
3434 | case 0x40 ... 0x47: /* inc Gv */ | |
3435 | ot = dflag ? OT_LONG : OT_WORD; | |
3436 | gen_inc(s, ot, OR_EAX + (b & 7), 1); | |
3437 | break; | |
3438 | case 0x48 ... 0x4f: /* dec Gv */ | |
3439 | ot = dflag ? OT_LONG : OT_WORD; | |
3440 | gen_inc(s, ot, OR_EAX + (b & 7), -1); | |
3441 | break; | |
3442 | case 0xf6: /* GRP3 */ | |
3443 | case 0xf7: | |
3444 | if ((b & 1) == 0) | |
3445 | ot = OT_BYTE; | |
3446 | else | |
14ce26e7 | 3447 | ot = dflag + OT_WORD; |
2c0262af | 3448 | |
61382a50 | 3449 | modrm = ldub_code(s->pc++); |
2c0262af | 3450 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3451 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3452 | op = (modrm >> 3) & 7; |
3453 | if (mod != 3) { | |
14ce26e7 FB |
3454 | if (op == 0) |
3455 | s->rip_offset = insn_const_size(ot); | |
2c0262af | 3456 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
57fec1fe | 3457 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 3458 | } else { |
57fec1fe | 3459 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af FB |
3460 | } |
3461 | ||
3462 | switch(op) { | |
3463 | case 0: /* test */ | |
3464 | val = insn_get(s, ot); | |
3465 | gen_op_movl_T1_im(val); | |
3466 | gen_op_testl_T0_T1_cc(); | |
3467 | s->cc_op = CC_OP_LOGICB + ot; | |
3468 | break; | |
3469 | case 2: /* not */ | |
3470 | gen_op_notl_T0(); | |
3471 | if (mod != 3) { | |
57fec1fe | 3472 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 3473 | } else { |
57fec1fe | 3474 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
3475 | } |
3476 | break; | |
3477 | case 3: /* neg */ | |
3478 | gen_op_negl_T0(); | |
3479 | if (mod != 3) { | |
57fec1fe | 3480 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 3481 | } else { |
57fec1fe | 3482 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
3483 | } |
3484 | gen_op_update_neg_cc(); | |
3485 | s->cc_op = CC_OP_SUBB + ot; | |
3486 | break; | |
3487 | case 4: /* mul */ | |
3488 | switch(ot) { | |
3489 | case OT_BYTE: | |
3490 | gen_op_mulb_AL_T0(); | |
d36cd60e | 3491 | s->cc_op = CC_OP_MULB; |
2c0262af FB |
3492 | break; |
3493 | case OT_WORD: | |
3494 | gen_op_mulw_AX_T0(); | |
d36cd60e | 3495 | s->cc_op = CC_OP_MULW; |
2c0262af FB |
3496 | break; |
3497 | default: | |
3498 | case OT_LONG: | |
3499 | gen_op_mull_EAX_T0(); | |
d36cd60e | 3500 | s->cc_op = CC_OP_MULL; |
2c0262af | 3501 | break; |
14ce26e7 FB |
3502 | #ifdef TARGET_X86_64 |
3503 | case OT_QUAD: | |
3504 | gen_op_mulq_EAX_T0(); | |
3505 | s->cc_op = CC_OP_MULQ; | |
3506 | break; | |
3507 | #endif | |
2c0262af | 3508 | } |
2c0262af FB |
3509 | break; |
3510 | case 5: /* imul */ | |
3511 | switch(ot) { | |
3512 | case OT_BYTE: | |
3513 | gen_op_imulb_AL_T0(); | |
d36cd60e | 3514 | s->cc_op = CC_OP_MULB; |
2c0262af FB |
3515 | break; |
3516 | case OT_WORD: | |
3517 | gen_op_imulw_AX_T0(); | |
d36cd60e | 3518 | s->cc_op = CC_OP_MULW; |
2c0262af FB |
3519 | break; |
3520 | default: | |
3521 | case OT_LONG: | |
3522 | gen_op_imull_EAX_T0(); | |
d36cd60e | 3523 | s->cc_op = CC_OP_MULL; |
2c0262af | 3524 | break; |
14ce26e7 FB |
3525 | #ifdef TARGET_X86_64 |
3526 | case OT_QUAD: | |
3527 | gen_op_imulq_EAX_T0(); | |
3528 | s->cc_op = CC_OP_MULQ; | |
3529 | break; | |
3530 | #endif | |
2c0262af | 3531 | } |
2c0262af FB |
3532 | break; |
3533 | case 6: /* div */ | |
3534 | switch(ot) { | |
3535 | case OT_BYTE: | |
14ce26e7 FB |
3536 | gen_jmp_im(pc_start - s->cs_base); |
3537 | gen_op_divb_AL_T0(); | |
2c0262af FB |
3538 | break; |
3539 | case OT_WORD: | |
14ce26e7 FB |
3540 | gen_jmp_im(pc_start - s->cs_base); |
3541 | gen_op_divw_AX_T0(); | |
2c0262af FB |
3542 | break; |
3543 | default: | |
3544 | case OT_LONG: | |
14ce26e7 | 3545 | gen_jmp_im(pc_start - s->cs_base); |
57fec1fe FB |
3546 | #ifdef MACRO_TEST |
3547 | /* XXX: this is just a test */ | |
3548 | tcg_gen_macro_2(cpu_T[0], cpu_T[0], MACRO_TEST); | |
3549 | #else | |
3550 | tcg_gen_helper_0_1(helper_divl_EAX_T0, cpu_T[0]); | |
3551 | #endif | |
14ce26e7 FB |
3552 | break; |
3553 | #ifdef TARGET_X86_64 | |
3554 | case OT_QUAD: | |
3555 | gen_jmp_im(pc_start - s->cs_base); | |
3556 | gen_op_divq_EAX_T0(); | |
2c0262af | 3557 | break; |
14ce26e7 | 3558 | #endif |
2c0262af FB |
3559 | } |
3560 | break; | |
3561 | case 7: /* idiv */ | |
3562 | switch(ot) { | |
3563 | case OT_BYTE: | |
14ce26e7 FB |
3564 | gen_jmp_im(pc_start - s->cs_base); |
3565 | gen_op_idivb_AL_T0(); | |
2c0262af FB |
3566 | break; |
3567 | case OT_WORD: | |
14ce26e7 FB |
3568 | gen_jmp_im(pc_start - s->cs_base); |
3569 | gen_op_idivw_AX_T0(); | |
2c0262af FB |
3570 | break; |
3571 | default: | |
3572 | case OT_LONG: | |
14ce26e7 | 3573 | gen_jmp_im(pc_start - s->cs_base); |
57fec1fe | 3574 | tcg_gen_helper_0_1(helper_idivl_EAX_T0, cpu_T[0]); |
14ce26e7 FB |
3575 | break; |
3576 | #ifdef TARGET_X86_64 | |
3577 | case OT_QUAD: | |
3578 | gen_jmp_im(pc_start - s->cs_base); | |
3579 | gen_op_idivq_EAX_T0(); | |
2c0262af | 3580 | break; |
14ce26e7 | 3581 | #endif |
2c0262af FB |
3582 | } |
3583 | break; | |
3584 | default: | |
3585 | goto illegal_op; | |
3586 | } | |
3587 | break; | |
3588 | ||
3589 | case 0xfe: /* GRP4 */ | |
3590 | case 0xff: /* GRP5 */ | |
3591 | if ((b & 1) == 0) | |
3592 | ot = OT_BYTE; | |
3593 | else | |
14ce26e7 | 3594 | ot = dflag + OT_WORD; |
2c0262af | 3595 | |
61382a50 | 3596 | modrm = ldub_code(s->pc++); |
2c0262af | 3597 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3598 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3599 | op = (modrm >> 3) & 7; |
3600 | if (op >= 2 && b == 0xfe) { | |
3601 | goto illegal_op; | |
3602 | } | |
14ce26e7 | 3603 | if (CODE64(s)) { |
aba9d61e | 3604 | if (op == 2 || op == 4) { |
14ce26e7 FB |
3605 | /* operand size for jumps is 64 bit */ |
3606 | ot = OT_QUAD; | |
aba9d61e FB |
3607 | } else if (op == 3 || op == 5) { |
3608 | /* for call calls, the operand is 16 or 32 bit, even | |
3609 | in long mode */ | |
3610 | ot = dflag ? OT_LONG : OT_WORD; | |
14ce26e7 FB |
3611 | } else if (op == 6) { |
3612 | /* default push size is 64 bit */ | |
3613 | ot = dflag ? OT_QUAD : OT_WORD; | |
3614 | } | |
3615 | } | |
2c0262af FB |
3616 | if (mod != 3) { |
3617 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3618 | if (op >= 2 && op != 3 && op != 5) | |
57fec1fe | 3619 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 3620 | } else { |
57fec1fe | 3621 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af FB |
3622 | } |
3623 | ||
3624 | switch(op) { | |
3625 | case 0: /* inc Ev */ | |
3626 | if (mod != 3) | |
3627 | opreg = OR_TMP0; | |
3628 | else | |
3629 | opreg = rm; | |
3630 | gen_inc(s, ot, opreg, 1); | |
3631 | break; | |
3632 | case 1: /* dec Ev */ | |
3633 | if (mod != 3) | |
3634 | opreg = OR_TMP0; | |
3635 | else | |
3636 | opreg = rm; | |
3637 | gen_inc(s, ot, opreg, -1); | |
3638 | break; | |
3639 | case 2: /* call Ev */ | |
4f31916f | 3640 | /* XXX: optimize if memory (no 'and' is necessary) */ |
2c0262af FB |
3641 | if (s->dflag == 0) |
3642 | gen_op_andl_T0_ffff(); | |
2c0262af | 3643 | next_eip = s->pc - s->cs_base; |
1ef38687 | 3644 | gen_movtl_T1_im(next_eip); |
4f31916f FB |
3645 | gen_push_T1(s); |
3646 | gen_op_jmp_T0(); | |
2c0262af FB |
3647 | gen_eob(s); |
3648 | break; | |
61382a50 | 3649 | case 3: /* lcall Ev */ |
57fec1fe | 3650 | gen_op_ld_T1_A0(ot + s->mem_index); |
aba9d61e | 3651 | gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
57fec1fe | 3652 | gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
2c0262af FB |
3653 | do_lcall: |
3654 | if (s->pe && !s->vm86) { | |
3655 | if (s->cc_op != CC_OP_DYNAMIC) | |
3656 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 3657 | gen_jmp_im(pc_start - s->cs_base); |
aba9d61e | 3658 | gen_op_lcall_protected_T0_T1(dflag, s->pc - pc_start); |
2c0262af FB |
3659 | } else { |
3660 | gen_op_lcall_real_T0_T1(dflag, s->pc - s->cs_base); | |
3661 | } | |
3662 | gen_eob(s); | |
3663 | break; | |
3664 | case 4: /* jmp Ev */ | |
3665 | if (s->dflag == 0) | |
3666 | gen_op_andl_T0_ffff(); | |
3667 | gen_op_jmp_T0(); | |
3668 | gen_eob(s); | |
3669 | break; | |
3670 | case 5: /* ljmp Ev */ | |
57fec1fe | 3671 | gen_op_ld_T1_A0(ot + s->mem_index); |
aba9d61e | 3672 | gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
57fec1fe | 3673 | gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
2c0262af FB |
3674 | do_ljmp: |
3675 | if (s->pe && !s->vm86) { | |
3676 | if (s->cc_op != CC_OP_DYNAMIC) | |
3677 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 3678 | gen_jmp_im(pc_start - s->cs_base); |
aba9d61e | 3679 | gen_op_ljmp_protected_T0_T1(s->pc - pc_start); |
2c0262af FB |
3680 | } else { |
3681 | gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[R_CS])); | |
3682 | gen_op_movl_T0_T1(); | |
3683 | gen_op_jmp_T0(); | |
3684 | } | |
3685 | gen_eob(s); | |
3686 | break; | |
3687 | case 6: /* push Ev */ | |
3688 | gen_push_T0(s); | |
3689 | break; | |
3690 | default: | |
3691 | goto illegal_op; | |
3692 | } | |
3693 | break; | |
3694 | ||
3695 | case 0x84: /* test Ev, Gv */ | |
5fafdf24 | 3696 | case 0x85: |
2c0262af FB |
3697 | if ((b & 1) == 0) |
3698 | ot = OT_BYTE; | |
3699 | else | |
14ce26e7 | 3700 | ot = dflag + OT_WORD; |
2c0262af | 3701 | |
61382a50 | 3702 | modrm = ldub_code(s->pc++); |
2c0262af | 3703 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
3704 | rm = (modrm & 7) | REX_B(s); |
3705 | reg = ((modrm >> 3) & 7) | rex_r; | |
3b46e624 | 3706 | |
2c0262af | 3707 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
57fec1fe | 3708 | gen_op_mov_TN_reg(ot, 1, reg); |
2c0262af FB |
3709 | gen_op_testl_T0_T1_cc(); |
3710 | s->cc_op = CC_OP_LOGICB + ot; | |
3711 | break; | |
3b46e624 | 3712 | |
2c0262af FB |
3713 | case 0xa8: /* test eAX, Iv */ |
3714 | case 0xa9: | |
3715 | if ((b & 1) == 0) | |
3716 | ot = OT_BYTE; | |
3717 | else | |
14ce26e7 | 3718 | ot = dflag + OT_WORD; |
2c0262af FB |
3719 | val = insn_get(s, ot); |
3720 | ||
57fec1fe | 3721 | gen_op_mov_TN_reg(ot, 0, OR_EAX); |
2c0262af FB |
3722 | gen_op_movl_T1_im(val); |
3723 | gen_op_testl_T0_T1_cc(); | |
3724 | s->cc_op = CC_OP_LOGICB + ot; | |
3725 | break; | |
3b46e624 | 3726 | |
2c0262af | 3727 | case 0x98: /* CWDE/CBW */ |
14ce26e7 FB |
3728 | #ifdef TARGET_X86_64 |
3729 | if (dflag == 2) { | |
3730 | gen_op_movslq_RAX_EAX(); | |
3731 | } else | |
3732 | #endif | |
3733 | if (dflag == 1) | |
2c0262af FB |
3734 | gen_op_movswl_EAX_AX(); |
3735 | else | |
3736 | gen_op_movsbw_AX_AL(); | |
3737 | break; | |
3738 | case 0x99: /* CDQ/CWD */ | |
14ce26e7 FB |
3739 | #ifdef TARGET_X86_64 |
3740 | if (dflag == 2) { | |
3741 | gen_op_movsqo_RDX_RAX(); | |
3742 | } else | |
3743 | #endif | |
3744 | if (dflag == 1) | |
2c0262af FB |
3745 | gen_op_movslq_EDX_EAX(); |
3746 | else | |
3747 | gen_op_movswl_DX_AX(); | |
3748 | break; | |
3749 | case 0x1af: /* imul Gv, Ev */ | |
3750 | case 0x69: /* imul Gv, Ev, I */ | |
3751 | case 0x6b: | |
14ce26e7 | 3752 | ot = dflag + OT_WORD; |
61382a50 | 3753 | modrm = ldub_code(s->pc++); |
14ce26e7 FB |
3754 | reg = ((modrm >> 3) & 7) | rex_r; |
3755 | if (b == 0x69) | |
3756 | s->rip_offset = insn_const_size(ot); | |
3757 | else if (b == 0x6b) | |
3758 | s->rip_offset = 1; | |
2c0262af FB |
3759 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
3760 | if (b == 0x69) { | |
3761 | val = insn_get(s, ot); | |
3762 | gen_op_movl_T1_im(val); | |
3763 | } else if (b == 0x6b) { | |
d64477af | 3764 | val = (int8_t)insn_get(s, OT_BYTE); |
2c0262af FB |
3765 | gen_op_movl_T1_im(val); |
3766 | } else { | |
57fec1fe | 3767 | gen_op_mov_TN_reg(ot, 1, reg); |
2c0262af FB |
3768 | } |
3769 | ||
14ce26e7 FB |
3770 | #ifdef TARGET_X86_64 |
3771 | if (ot == OT_QUAD) { | |
3772 | gen_op_imulq_T0_T1(); | |
3773 | } else | |
3774 | #endif | |
2c0262af FB |
3775 | if (ot == OT_LONG) { |
3776 | gen_op_imull_T0_T1(); | |
3777 | } else { | |
3778 | gen_op_imulw_T0_T1(); | |
3779 | } | |
57fec1fe | 3780 | gen_op_mov_reg_T0(ot, reg); |
d36cd60e | 3781 | s->cc_op = CC_OP_MULB + ot; |
2c0262af FB |
3782 | break; |
3783 | case 0x1c0: | |
3784 | case 0x1c1: /* xadd Ev, Gv */ | |
3785 | if ((b & 1) == 0) | |
3786 | ot = OT_BYTE; | |
3787 | else | |
14ce26e7 | 3788 | ot = dflag + OT_WORD; |
61382a50 | 3789 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3790 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
3791 | mod = (modrm >> 6) & 3; |
3792 | if (mod == 3) { | |
14ce26e7 | 3793 | rm = (modrm & 7) | REX_B(s); |
57fec1fe FB |
3794 | gen_op_mov_TN_reg(ot, 0, reg); |
3795 | gen_op_mov_TN_reg(ot, 1, rm); | |
2c0262af | 3796 | gen_op_addl_T0_T1(); |
57fec1fe FB |
3797 | gen_op_mov_reg_T1(ot, reg); |
3798 | gen_op_mov_reg_T0(ot, rm); | |
2c0262af FB |
3799 | } else { |
3800 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe FB |
3801 | gen_op_mov_TN_reg(ot, 0, reg); |
3802 | gen_op_ld_T1_A0(ot + s->mem_index); | |
2c0262af | 3803 | gen_op_addl_T0_T1(); |
57fec1fe FB |
3804 | gen_op_st_T0_A0(ot + s->mem_index); |
3805 | gen_op_mov_reg_T1(ot, reg); | |
2c0262af FB |
3806 | } |
3807 | gen_op_update2_cc(); | |
3808 | s->cc_op = CC_OP_ADDB + ot; | |
3809 | break; | |
3810 | case 0x1b0: | |
3811 | case 0x1b1: /* cmpxchg Ev, Gv */ | |
3812 | if ((b & 1) == 0) | |
3813 | ot = OT_BYTE; | |
3814 | else | |
14ce26e7 | 3815 | ot = dflag + OT_WORD; |
61382a50 | 3816 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3817 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 3818 | mod = (modrm >> 6) & 3; |
57fec1fe | 3819 | gen_op_mov_TN_reg(ot, 1, reg); |
2c0262af | 3820 | if (mod == 3) { |
14ce26e7 | 3821 | rm = (modrm & 7) | REX_B(s); |
57fec1fe | 3822 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af | 3823 | gen_op_cmpxchg_T0_T1_EAX_cc[ot](); |
57fec1fe | 3824 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
3825 | } else { |
3826 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 3827 | gen_op_ld_T0_A0(ot + s->mem_index); |
4f31916f | 3828 | gen_op_cmpxchg_mem_T0_T1_EAX_cc[ot + s->mem_index](); |
2c0262af FB |
3829 | } |
3830 | s->cc_op = CC_OP_SUBB + ot; | |
3831 | break; | |
3832 | case 0x1c7: /* cmpxchg8b */ | |
61382a50 | 3833 | modrm = ldub_code(s->pc++); |
2c0262af | 3834 | mod = (modrm >> 6) & 3; |
71c3558e | 3835 | if ((mod == 3) || ((modrm & 0x38) != 0x8)) |
2c0262af | 3836 | goto illegal_op; |
2f6ecc62 | 3837 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
3838 | if (s->cc_op != CC_OP_DYNAMIC) |
3839 | gen_op_set_cc_op(s->cc_op); | |
3840 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3841 | gen_op_cmpxchg8b(); | |
3842 | s->cc_op = CC_OP_EFLAGS; | |
3843 | break; | |
3b46e624 | 3844 | |
2c0262af FB |
3845 | /**************************/ |
3846 | /* push/pop */ | |
3847 | case 0x50 ... 0x57: /* push */ | |
57fec1fe | 3848 | gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s)); |
2c0262af FB |
3849 | gen_push_T0(s); |
3850 | break; | |
3851 | case 0x58 ... 0x5f: /* pop */ | |
14ce26e7 FB |
3852 | if (CODE64(s)) { |
3853 | ot = dflag ? OT_QUAD : OT_WORD; | |
3854 | } else { | |
3855 | ot = dflag + OT_WORD; | |
3856 | } | |
2c0262af | 3857 | gen_pop_T0(s); |
77729c24 | 3858 | /* NOTE: order is important for pop %sp */ |
2c0262af | 3859 | gen_pop_update(s); |
57fec1fe | 3860 | gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s)); |
2c0262af FB |
3861 | break; |
3862 | case 0x60: /* pusha */ | |
14ce26e7 FB |
3863 | if (CODE64(s)) |
3864 | goto illegal_op; | |
2c0262af FB |
3865 | gen_pusha(s); |
3866 | break; | |
3867 | case 0x61: /* popa */ | |
14ce26e7 FB |
3868 | if (CODE64(s)) |
3869 | goto illegal_op; | |
2c0262af FB |
3870 | gen_popa(s); |
3871 | break; | |
3872 | case 0x68: /* push Iv */ | |
3873 | case 0x6a: | |
14ce26e7 FB |
3874 | if (CODE64(s)) { |
3875 | ot = dflag ? OT_QUAD : OT_WORD; | |
3876 | } else { | |
3877 | ot = dflag + OT_WORD; | |
3878 | } | |
2c0262af FB |
3879 | if (b == 0x68) |
3880 | val = insn_get(s, ot); | |
3881 | else | |
3882 | val = (int8_t)insn_get(s, OT_BYTE); | |
3883 | gen_op_movl_T0_im(val); | |
3884 | gen_push_T0(s); | |
3885 | break; | |
3886 | case 0x8f: /* pop Ev */ | |
14ce26e7 FB |
3887 | if (CODE64(s)) { |
3888 | ot = dflag ? OT_QUAD : OT_WORD; | |
3889 | } else { | |
3890 | ot = dflag + OT_WORD; | |
3891 | } | |
61382a50 | 3892 | modrm = ldub_code(s->pc++); |
77729c24 | 3893 | mod = (modrm >> 6) & 3; |
2c0262af | 3894 | gen_pop_T0(s); |
77729c24 FB |
3895 | if (mod == 3) { |
3896 | /* NOTE: order is important for pop %sp */ | |
3897 | gen_pop_update(s); | |
14ce26e7 | 3898 | rm = (modrm & 7) | REX_B(s); |
57fec1fe | 3899 | gen_op_mov_reg_T0(ot, rm); |
77729c24 FB |
3900 | } else { |
3901 | /* NOTE: order is important too for MMU exceptions */ | |
14ce26e7 | 3902 | s->popl_esp_hack = 1 << ot; |
77729c24 FB |
3903 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
3904 | s->popl_esp_hack = 0; | |
3905 | gen_pop_update(s); | |
3906 | } | |
2c0262af FB |
3907 | break; |
3908 | case 0xc8: /* enter */ | |
3909 | { | |
3910 | int level; | |
61382a50 | 3911 | val = lduw_code(s->pc); |
2c0262af | 3912 | s->pc += 2; |
61382a50 | 3913 | level = ldub_code(s->pc++); |
2c0262af FB |
3914 | gen_enter(s, val, level); |
3915 | } | |
3916 | break; | |
3917 | case 0xc9: /* leave */ | |
3918 | /* XXX: exception not precise (ESP is updated before potential exception) */ | |
14ce26e7 | 3919 | if (CODE64(s)) { |
57fec1fe FB |
3920 | gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP); |
3921 | gen_op_mov_reg_T0(OT_QUAD, R_ESP); | |
14ce26e7 | 3922 | } else if (s->ss32) { |
57fec1fe FB |
3923 | gen_op_mov_TN_reg(OT_LONG, 0, R_EBP); |
3924 | gen_op_mov_reg_T0(OT_LONG, R_ESP); | |
2c0262af | 3925 | } else { |
57fec1fe FB |
3926 | gen_op_mov_TN_reg(OT_WORD, 0, R_EBP); |
3927 | gen_op_mov_reg_T0(OT_WORD, R_ESP); | |
2c0262af FB |
3928 | } |
3929 | gen_pop_T0(s); | |
14ce26e7 FB |
3930 | if (CODE64(s)) { |
3931 | ot = dflag ? OT_QUAD : OT_WORD; | |
3932 | } else { | |
3933 | ot = dflag + OT_WORD; | |
3934 | } | |
57fec1fe | 3935 | gen_op_mov_reg_T0(ot, R_EBP); |
2c0262af FB |
3936 | gen_pop_update(s); |
3937 | break; | |
3938 | case 0x06: /* push es */ | |
3939 | case 0x0e: /* push cs */ | |
3940 | case 0x16: /* push ss */ | |
3941 | case 0x1e: /* push ds */ | |
14ce26e7 FB |
3942 | if (CODE64(s)) |
3943 | goto illegal_op; | |
2c0262af FB |
3944 | gen_op_movl_T0_seg(b >> 3); |
3945 | gen_push_T0(s); | |
3946 | break; | |
3947 | case 0x1a0: /* push fs */ | |
3948 | case 0x1a8: /* push gs */ | |
3949 | gen_op_movl_T0_seg((b >> 3) & 7); | |
3950 | gen_push_T0(s); | |
3951 | break; | |
3952 | case 0x07: /* pop es */ | |
3953 | case 0x17: /* pop ss */ | |
3954 | case 0x1f: /* pop ds */ | |
14ce26e7 FB |
3955 | if (CODE64(s)) |
3956 | goto illegal_op; | |
2c0262af FB |
3957 | reg = b >> 3; |
3958 | gen_pop_T0(s); | |
3959 | gen_movl_seg_T0(s, reg, pc_start - s->cs_base); | |
3960 | gen_pop_update(s); | |
3961 | if (reg == R_SS) { | |
a2cc3b24 FB |
3962 | /* if reg == SS, inhibit interrupts/trace. */ |
3963 | /* If several instructions disable interrupts, only the | |
3964 | _first_ does it */ | |
3965 | if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) | |
3966 | gen_op_set_inhibit_irq(); | |
2c0262af FB |
3967 | s->tf = 0; |
3968 | } | |
3969 | if (s->is_jmp) { | |
14ce26e7 | 3970 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
3971 | gen_eob(s); |
3972 | } | |
3973 | break; | |
3974 | case 0x1a1: /* pop fs */ | |
3975 | case 0x1a9: /* pop gs */ | |
3976 | gen_pop_T0(s); | |
3977 | gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base); | |
3978 | gen_pop_update(s); | |
3979 | if (s->is_jmp) { | |
14ce26e7 | 3980 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
3981 | gen_eob(s); |
3982 | } | |
3983 | break; | |
3984 | ||
3985 | /**************************/ | |
3986 | /* mov */ | |
3987 | case 0x88: | |
3988 | case 0x89: /* mov Gv, Ev */ | |
3989 | if ((b & 1) == 0) | |
3990 | ot = OT_BYTE; | |
3991 | else | |
14ce26e7 | 3992 | ot = dflag + OT_WORD; |
61382a50 | 3993 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3994 | reg = ((modrm >> 3) & 7) | rex_r; |
3b46e624 | 3995 | |
2c0262af | 3996 | /* generate a generic store */ |
14ce26e7 | 3997 | gen_ldst_modrm(s, modrm, ot, reg, 1); |
2c0262af FB |
3998 | break; |
3999 | case 0xc6: | |
4000 | case 0xc7: /* mov Ev, Iv */ | |
4001 | if ((b & 1) == 0) | |
4002 | ot = OT_BYTE; | |
4003 | else | |
14ce26e7 | 4004 | ot = dflag + OT_WORD; |
61382a50 | 4005 | modrm = ldub_code(s->pc++); |
2c0262af | 4006 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
4007 | if (mod != 3) { |
4008 | s->rip_offset = insn_const_size(ot); | |
2c0262af | 4009 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
14ce26e7 | 4010 | } |
2c0262af FB |
4011 | val = insn_get(s, ot); |
4012 | gen_op_movl_T0_im(val); | |
4013 | if (mod != 3) | |
57fec1fe | 4014 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 4015 | else |
57fec1fe | 4016 | gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s)); |
2c0262af FB |
4017 | break; |
4018 | case 0x8a: | |
4019 | case 0x8b: /* mov Ev, Gv */ | |
4020 | if ((b & 1) == 0) | |
4021 | ot = OT_BYTE; | |
4022 | else | |
14ce26e7 | 4023 | ot = OT_WORD + dflag; |
61382a50 | 4024 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4025 | reg = ((modrm >> 3) & 7) | rex_r; |
3b46e624 | 4026 | |
2c0262af | 4027 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
57fec1fe | 4028 | gen_op_mov_reg_T0(ot, reg); |
2c0262af FB |
4029 | break; |
4030 | case 0x8e: /* mov seg, Gv */ | |
61382a50 | 4031 | modrm = ldub_code(s->pc++); |
2c0262af FB |
4032 | reg = (modrm >> 3) & 7; |
4033 | if (reg >= 6 || reg == R_CS) | |
4034 | goto illegal_op; | |
4035 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
4036 | gen_movl_seg_T0(s, reg, pc_start - s->cs_base); | |
4037 | if (reg == R_SS) { | |
4038 | /* if reg == SS, inhibit interrupts/trace */ | |
a2cc3b24 FB |
4039 | /* If several instructions disable interrupts, only the |
4040 | _first_ does it */ | |
4041 | if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) | |
4042 | gen_op_set_inhibit_irq(); | |
2c0262af FB |
4043 | s->tf = 0; |
4044 | } | |
4045 | if (s->is_jmp) { | |
14ce26e7 | 4046 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
4047 | gen_eob(s); |
4048 | } | |
4049 | break; | |
4050 | case 0x8c: /* mov Gv, seg */ | |
61382a50 | 4051 | modrm = ldub_code(s->pc++); |
2c0262af FB |
4052 | reg = (modrm >> 3) & 7; |
4053 | mod = (modrm >> 6) & 3; | |
4054 | if (reg >= 6) | |
4055 | goto illegal_op; | |
4056 | gen_op_movl_T0_seg(reg); | |
14ce26e7 FB |
4057 | if (mod == 3) |
4058 | ot = OT_WORD + dflag; | |
4059 | else | |
4060 | ot = OT_WORD; | |
2c0262af FB |
4061 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
4062 | break; | |
4063 | ||
4064 | case 0x1b6: /* movzbS Gv, Eb */ | |
4065 | case 0x1b7: /* movzwS Gv, Eb */ | |
4066 | case 0x1be: /* movsbS Gv, Eb */ | |
4067 | case 0x1bf: /* movswS Gv, Eb */ | |
4068 | { | |
4069 | int d_ot; | |
4070 | /* d_ot is the size of destination */ | |
4071 | d_ot = dflag + OT_WORD; | |
4072 | /* ot is the size of source */ | |
4073 | ot = (b & 1) + OT_BYTE; | |
61382a50 | 4074 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4075 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 4076 | mod = (modrm >> 6) & 3; |
14ce26e7 | 4077 | rm = (modrm & 7) | REX_B(s); |
3b46e624 | 4078 | |
2c0262af | 4079 | if (mod == 3) { |
57fec1fe | 4080 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af FB |
4081 | switch(ot | (b & 8)) { |
4082 | case OT_BYTE: | |
4083 | gen_op_movzbl_T0_T0(); | |
4084 | break; | |
4085 | case OT_BYTE | 8: | |
4086 | gen_op_movsbl_T0_T0(); | |
4087 | break; | |
4088 | case OT_WORD: | |
4089 | gen_op_movzwl_T0_T0(); | |
4090 | break; | |
4091 | default: | |
4092 | case OT_WORD | 8: | |
4093 | gen_op_movswl_T0_T0(); | |
4094 | break; | |
4095 | } | |
57fec1fe | 4096 | gen_op_mov_reg_T0(d_ot, reg); |
2c0262af FB |
4097 | } else { |
4098 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4099 | if (b & 8) { | |
57fec1fe | 4100 | gen_op_lds_T0_A0(ot + s->mem_index); |
2c0262af | 4101 | } else { |
57fec1fe | 4102 | gen_op_ldu_T0_A0(ot + s->mem_index); |
2c0262af | 4103 | } |
57fec1fe | 4104 | gen_op_mov_reg_T0(d_ot, reg); |
2c0262af FB |
4105 | } |
4106 | } | |
4107 | break; | |
4108 | ||
4109 | case 0x8d: /* lea */ | |
14ce26e7 | 4110 | ot = dflag + OT_WORD; |
61382a50 | 4111 | modrm = ldub_code(s->pc++); |
3a1d9b8b FB |
4112 | mod = (modrm >> 6) & 3; |
4113 | if (mod == 3) | |
4114 | goto illegal_op; | |
14ce26e7 | 4115 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
4116 | /* we must ensure that no segment is added */ |
4117 | s->override = -1; | |
4118 | val = s->addseg; | |
4119 | s->addseg = 0; | |
4120 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4121 | s->addseg = val; | |
57fec1fe | 4122 | gen_op_mov_reg_A0(ot - OT_WORD, reg); |
2c0262af | 4123 | break; |
3b46e624 | 4124 | |
2c0262af FB |
4125 | case 0xa0: /* mov EAX, Ov */ |
4126 | case 0xa1: | |
4127 | case 0xa2: /* mov Ov, EAX */ | |
4128 | case 0xa3: | |
2c0262af | 4129 | { |
14ce26e7 FB |
4130 | target_ulong offset_addr; |
4131 | ||
4132 | if ((b & 1) == 0) | |
4133 | ot = OT_BYTE; | |
4134 | else | |
4135 | ot = dflag + OT_WORD; | |
4136 | #ifdef TARGET_X86_64 | |
8f091a59 | 4137 | if (s->aflag == 2) { |
14ce26e7 FB |
4138 | offset_addr = ldq_code(s->pc); |
4139 | s->pc += 8; | |
57fec1fe | 4140 | gen_op_movq_A0_im(offset_addr); |
5fafdf24 | 4141 | } else |
14ce26e7 FB |
4142 | #endif |
4143 | { | |
4144 | if (s->aflag) { | |
4145 | offset_addr = insn_get(s, OT_LONG); | |
4146 | } else { | |
4147 | offset_addr = insn_get(s, OT_WORD); | |
4148 | } | |
4149 | gen_op_movl_A0_im(offset_addr); | |
4150 | } | |
664e0f19 | 4151 | gen_add_A0_ds_seg(s); |
14ce26e7 | 4152 | if ((b & 2) == 0) { |
57fec1fe FB |
4153 | gen_op_ld_T0_A0(ot + s->mem_index); |
4154 | gen_op_mov_reg_T0(ot, R_EAX); | |
14ce26e7 | 4155 | } else { |
57fec1fe FB |
4156 | gen_op_mov_TN_reg(ot, 0, R_EAX); |
4157 | gen_op_st_T0_A0(ot + s->mem_index); | |
2c0262af FB |
4158 | } |
4159 | } | |
2c0262af FB |
4160 | break; |
4161 | case 0xd7: /* xlat */ | |
14ce26e7 | 4162 | #ifdef TARGET_X86_64 |
8f091a59 | 4163 | if (s->aflag == 2) { |
57fec1fe | 4164 | gen_op_movq_A0_reg(R_EBX); |
14ce26e7 | 4165 | gen_op_addq_A0_AL(); |
5fafdf24 | 4166 | } else |
14ce26e7 FB |
4167 | #endif |
4168 | { | |
57fec1fe | 4169 | gen_op_movl_A0_reg(R_EBX); |
14ce26e7 FB |
4170 | gen_op_addl_A0_AL(); |
4171 | if (s->aflag == 0) | |
4172 | gen_op_andl_A0_ffff(); | |
4173 | } | |
664e0f19 | 4174 | gen_add_A0_ds_seg(s); |
57fec1fe FB |
4175 | gen_op_ldu_T0_A0(OT_BYTE + s->mem_index); |
4176 | gen_op_mov_reg_T0(OT_BYTE, R_EAX); | |
2c0262af FB |
4177 | break; |
4178 | case 0xb0 ... 0xb7: /* mov R, Ib */ | |
4179 | val = insn_get(s, OT_BYTE); | |
4180 | gen_op_movl_T0_im(val); | |
57fec1fe | 4181 | gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s)); |
2c0262af FB |
4182 | break; |
4183 | case 0xb8 ... 0xbf: /* mov R, Iv */ | |
14ce26e7 FB |
4184 | #ifdef TARGET_X86_64 |
4185 | if (dflag == 2) { | |
4186 | uint64_t tmp; | |
4187 | /* 64 bit case */ | |
4188 | tmp = ldq_code(s->pc); | |
4189 | s->pc += 8; | |
4190 | reg = (b & 7) | REX_B(s); | |
4191 | gen_movtl_T0_im(tmp); | |
57fec1fe | 4192 | gen_op_mov_reg_T0(OT_QUAD, reg); |
5fafdf24 | 4193 | } else |
14ce26e7 FB |
4194 | #endif |
4195 | { | |
4196 | ot = dflag ? OT_LONG : OT_WORD; | |
4197 | val = insn_get(s, ot); | |
4198 | reg = (b & 7) | REX_B(s); | |
4199 | gen_op_movl_T0_im(val); | |
57fec1fe | 4200 | gen_op_mov_reg_T0(ot, reg); |
14ce26e7 | 4201 | } |
2c0262af FB |
4202 | break; |
4203 | ||
4204 | case 0x91 ... 0x97: /* xchg R, EAX */ | |
14ce26e7 FB |
4205 | ot = dflag + OT_WORD; |
4206 | reg = (b & 7) | REX_B(s); | |
2c0262af FB |
4207 | rm = R_EAX; |
4208 | goto do_xchg_reg; | |
4209 | case 0x86: | |
4210 | case 0x87: /* xchg Ev, Gv */ | |
4211 | if ((b & 1) == 0) | |
4212 | ot = OT_BYTE; | |
4213 | else | |
14ce26e7 | 4214 | ot = dflag + OT_WORD; |
61382a50 | 4215 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4216 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
4217 | mod = (modrm >> 6) & 3; |
4218 | if (mod == 3) { | |
14ce26e7 | 4219 | rm = (modrm & 7) | REX_B(s); |
2c0262af | 4220 | do_xchg_reg: |
57fec1fe FB |
4221 | gen_op_mov_TN_reg(ot, 0, reg); |
4222 | gen_op_mov_TN_reg(ot, 1, rm); | |
4223 | gen_op_mov_reg_T0(ot, rm); | |
4224 | gen_op_mov_reg_T1(ot, reg); | |
2c0262af FB |
4225 | } else { |
4226 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 4227 | gen_op_mov_TN_reg(ot, 0, reg); |
2c0262af FB |
4228 | /* for xchg, lock is implicit */ |
4229 | if (!(prefixes & PREFIX_LOCK)) | |
4230 | gen_op_lock(); | |
57fec1fe FB |
4231 | gen_op_ld_T1_A0(ot + s->mem_index); |
4232 | gen_op_st_T0_A0(ot + s->mem_index); | |
2c0262af FB |
4233 | if (!(prefixes & PREFIX_LOCK)) |
4234 | gen_op_unlock(); | |
57fec1fe | 4235 | gen_op_mov_reg_T1(ot, reg); |
2c0262af FB |
4236 | } |
4237 | break; | |
4238 | case 0xc4: /* les Gv */ | |
14ce26e7 FB |
4239 | if (CODE64(s)) |
4240 | goto illegal_op; | |
2c0262af FB |
4241 | op = R_ES; |
4242 | goto do_lxx; | |
4243 | case 0xc5: /* lds Gv */ | |
14ce26e7 FB |
4244 | if (CODE64(s)) |
4245 | goto illegal_op; | |
2c0262af FB |
4246 | op = R_DS; |
4247 | goto do_lxx; | |
4248 | case 0x1b2: /* lss Gv */ | |
4249 | op = R_SS; | |
4250 | goto do_lxx; | |
4251 | case 0x1b4: /* lfs Gv */ | |
4252 | op = R_FS; | |
4253 | goto do_lxx; | |
4254 | case 0x1b5: /* lgs Gv */ | |
4255 | op = R_GS; | |
4256 | do_lxx: | |
4257 | ot = dflag ? OT_LONG : OT_WORD; | |
61382a50 | 4258 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4259 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
4260 | mod = (modrm >> 6) & 3; |
4261 | if (mod == 3) | |
4262 | goto illegal_op; | |
4263 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 4264 | gen_op_ld_T1_A0(ot + s->mem_index); |
aba9d61e | 4265 | gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
2c0262af | 4266 | /* load the segment first to handle exceptions properly */ |
57fec1fe | 4267 | gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
2c0262af FB |
4268 | gen_movl_seg_T0(s, op, pc_start - s->cs_base); |
4269 | /* then put the data */ | |
57fec1fe | 4270 | gen_op_mov_reg_T1(ot, reg); |
2c0262af | 4271 | if (s->is_jmp) { |
14ce26e7 | 4272 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
4273 | gen_eob(s); |
4274 | } | |
4275 | break; | |
3b46e624 | 4276 | |
2c0262af FB |
4277 | /************************/ |
4278 | /* shifts */ | |
4279 | case 0xc0: | |
4280 | case 0xc1: | |
4281 | /* shift Ev,Ib */ | |
4282 | shift = 2; | |
4283 | grp2: | |
4284 | { | |
4285 | if ((b & 1) == 0) | |
4286 | ot = OT_BYTE; | |
4287 | else | |
14ce26e7 | 4288 | ot = dflag + OT_WORD; |
3b46e624 | 4289 | |
61382a50 | 4290 | modrm = ldub_code(s->pc++); |
2c0262af | 4291 | mod = (modrm >> 6) & 3; |
2c0262af | 4292 | op = (modrm >> 3) & 7; |
3b46e624 | 4293 | |
2c0262af | 4294 | if (mod != 3) { |
14ce26e7 FB |
4295 | if (shift == 2) { |
4296 | s->rip_offset = 1; | |
4297 | } | |
2c0262af FB |
4298 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4299 | opreg = OR_TMP0; | |
4300 | } else { | |
14ce26e7 | 4301 | opreg = (modrm & 7) | REX_B(s); |
2c0262af FB |
4302 | } |
4303 | ||
4304 | /* simpler op */ | |
4305 | if (shift == 0) { | |
4306 | gen_shift(s, op, ot, opreg, OR_ECX); | |
4307 | } else { | |
4308 | if (shift == 2) { | |
61382a50 | 4309 | shift = ldub_code(s->pc++); |
2c0262af FB |
4310 | } |
4311 | gen_shifti(s, op, ot, opreg, shift); | |
4312 | } | |
4313 | } | |
4314 | break; | |
4315 | case 0xd0: | |
4316 | case 0xd1: | |
4317 | /* shift Ev,1 */ | |
4318 | shift = 1; | |
4319 | goto grp2; | |
4320 | case 0xd2: | |
4321 | case 0xd3: | |
4322 | /* shift Ev,cl */ | |
4323 | shift = 0; | |
4324 | goto grp2; | |
4325 | ||
4326 | case 0x1a4: /* shld imm */ | |
4327 | op = 0; | |
4328 | shift = 1; | |
4329 | goto do_shiftd; | |
4330 | case 0x1a5: /* shld cl */ | |
4331 | op = 0; | |
4332 | shift = 0; | |
4333 | goto do_shiftd; | |
4334 | case 0x1ac: /* shrd imm */ | |
4335 | op = 1; | |
4336 | shift = 1; | |
4337 | goto do_shiftd; | |
4338 | case 0x1ad: /* shrd cl */ | |
4339 | op = 1; | |
4340 | shift = 0; | |
4341 | do_shiftd: | |
14ce26e7 | 4342 | ot = dflag + OT_WORD; |
61382a50 | 4343 | modrm = ldub_code(s->pc++); |
2c0262af | 4344 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
4345 | rm = (modrm & 7) | REX_B(s); |
4346 | reg = ((modrm >> 3) & 7) | rex_r; | |
3b46e624 | 4347 | |
2c0262af FB |
4348 | if (mod != 3) { |
4349 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 4350 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 4351 | } else { |
57fec1fe | 4352 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af | 4353 | } |
57fec1fe | 4354 | gen_op_mov_TN_reg(ot, 1, reg); |
3b46e624 | 4355 | |
2c0262af | 4356 | if (shift) { |
61382a50 | 4357 | val = ldub_code(s->pc++); |
14ce26e7 FB |
4358 | if (ot == OT_QUAD) |
4359 | val &= 0x3f; | |
4360 | else | |
4361 | val &= 0x1f; | |
2c0262af FB |
4362 | if (val) { |
4363 | if (mod == 3) | |
4f31916f | 4364 | gen_op_shiftd_T0_T1_im_cc[ot][op](val); |
2c0262af | 4365 | else |
4f31916f | 4366 | gen_op_shiftd_mem_T0_T1_im_cc[ot + s->mem_index][op](val); |
2c0262af FB |
4367 | if (op == 0 && ot != OT_WORD) |
4368 | s->cc_op = CC_OP_SHLB + ot; | |
4369 | else | |
4370 | s->cc_op = CC_OP_SARB + ot; | |
4371 | } | |
4372 | } else { | |
4373 | if (s->cc_op != CC_OP_DYNAMIC) | |
4374 | gen_op_set_cc_op(s->cc_op); | |
4375 | if (mod == 3) | |
4f31916f | 4376 | gen_op_shiftd_T0_T1_ECX_cc[ot][op](); |
2c0262af | 4377 | else |
4f31916f | 4378 | gen_op_shiftd_mem_T0_T1_ECX_cc[ot + s->mem_index][op](); |
2c0262af FB |
4379 | s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
4380 | } | |
4381 | if (mod == 3) { | |
57fec1fe | 4382 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
4383 | } |
4384 | break; | |
4385 | ||
4386 | /************************/ | |
4387 | /* floats */ | |
5fafdf24 | 4388 | case 0xd8 ... 0xdf: |
7eee2a50 FB |
4389 | if (s->flags & (HF_EM_MASK | HF_TS_MASK)) { |
4390 | /* if CR0.EM or CR0.TS are set, generate an FPU exception */ | |
4391 | /* XXX: what to do if illegal op ? */ | |
4392 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
4393 | break; | |
4394 | } | |
61382a50 | 4395 | modrm = ldub_code(s->pc++); |
2c0262af FB |
4396 | mod = (modrm >> 6) & 3; |
4397 | rm = modrm & 7; | |
4398 | op = ((b & 7) << 3) | ((modrm >> 3) & 7); | |
2c0262af FB |
4399 | if (mod != 3) { |
4400 | /* memory op */ | |
4401 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4402 | switch(op) { | |
4403 | case 0x00 ... 0x07: /* fxxxs */ | |
4404 | case 0x10 ... 0x17: /* fixxxl */ | |
4405 | case 0x20 ... 0x27: /* fxxxl */ | |
4406 | case 0x30 ... 0x37: /* fixxx */ | |
4407 | { | |
4408 | int op1; | |
4409 | op1 = op & 7; | |
4410 | ||
4411 | switch(op >> 4) { | |
4412 | case 0: | |
4413 | gen_op_flds_FT0_A0(); | |
4414 | break; | |
4415 | case 1: | |
4416 | gen_op_fildl_FT0_A0(); | |
4417 | break; | |
4418 | case 2: | |
4419 | gen_op_fldl_FT0_A0(); | |
4420 | break; | |
4421 | case 3: | |
4422 | default: | |
4423 | gen_op_fild_FT0_A0(); | |
4424 | break; | |
4425 | } | |
3b46e624 | 4426 | |
2c0262af FB |
4427 | gen_op_fp_arith_ST0_FT0[op1](); |
4428 | if (op1 == 3) { | |
4429 | /* fcomp needs pop */ | |
4430 | gen_op_fpop(); | |
4431 | } | |
4432 | } | |
4433 | break; | |
4434 | case 0x08: /* flds */ | |
4435 | case 0x0a: /* fsts */ | |
4436 | case 0x0b: /* fstps */ | |
465e9838 FB |
4437 | case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */ |
4438 | case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */ | |
4439 | case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */ | |
2c0262af FB |
4440 | switch(op & 7) { |
4441 | case 0: | |
4442 | switch(op >> 4) { | |
4443 | case 0: | |
4444 | gen_op_flds_ST0_A0(); | |
4445 | break; | |
4446 | case 1: | |
4447 | gen_op_fildl_ST0_A0(); | |
4448 | break; | |
4449 | case 2: | |
4450 | gen_op_fldl_ST0_A0(); | |
4451 | break; | |
4452 | case 3: | |
4453 | default: | |
4454 | gen_op_fild_ST0_A0(); | |
4455 | break; | |
4456 | } | |
4457 | break; | |
465e9838 FB |
4458 | case 1: |
4459 | switch(op >> 4) { | |
4460 | case 1: | |
4461 | gen_op_fisttl_ST0_A0(); | |
4462 | break; | |
4463 | case 2: | |
4464 | gen_op_fisttll_ST0_A0(); | |
4465 | break; | |
4466 | case 3: | |
4467 | default: | |
4468 | gen_op_fistt_ST0_A0(); | |
4469 | } | |
4470 | gen_op_fpop(); | |
4471 | break; | |
2c0262af FB |
4472 | default: |
4473 | switch(op >> 4) { | |
4474 | case 0: | |
4475 | gen_op_fsts_ST0_A0(); | |
4476 | break; | |
4477 | case 1: | |
4478 | gen_op_fistl_ST0_A0(); | |
4479 | break; | |
4480 | case 2: | |
4481 | gen_op_fstl_ST0_A0(); | |
4482 | break; | |
4483 | case 3: | |
4484 | default: | |
4485 | gen_op_fist_ST0_A0(); | |
4486 | break; | |
4487 | } | |
4488 | if ((op & 7) == 3) | |
4489 | gen_op_fpop(); | |
4490 | break; | |
4491 | } | |
4492 | break; | |
4493 | case 0x0c: /* fldenv mem */ | |
4494 | gen_op_fldenv_A0(s->dflag); | |
4495 | break; | |
4496 | case 0x0d: /* fldcw mem */ | |
4497 | gen_op_fldcw_A0(); | |
4498 | break; | |
4499 | case 0x0e: /* fnstenv mem */ | |
4500 | gen_op_fnstenv_A0(s->dflag); | |
4501 | break; | |
4502 | case 0x0f: /* fnstcw mem */ | |
4503 | gen_op_fnstcw_A0(); | |
4504 | break; | |
4505 | case 0x1d: /* fldt mem */ | |
4506 | gen_op_fldt_ST0_A0(); | |
4507 | break; | |
4508 | case 0x1f: /* fstpt mem */ | |
4509 | gen_op_fstt_ST0_A0(); | |
4510 | gen_op_fpop(); | |
4511 | break; | |
4512 | case 0x2c: /* frstor mem */ | |
4513 | gen_op_frstor_A0(s->dflag); | |
4514 | break; | |
4515 | case 0x2e: /* fnsave mem */ | |
4516 | gen_op_fnsave_A0(s->dflag); | |
4517 | break; | |
4518 | case 0x2f: /* fnstsw mem */ | |
4519 | gen_op_fnstsw_A0(); | |
4520 | break; | |
4521 | case 0x3c: /* fbld */ | |
4522 | gen_op_fbld_ST0_A0(); | |
4523 | break; | |
4524 | case 0x3e: /* fbstp */ | |
4525 | gen_op_fbst_ST0_A0(); | |
4526 | gen_op_fpop(); | |
4527 | break; | |
4528 | case 0x3d: /* fildll */ | |
4529 | gen_op_fildll_ST0_A0(); | |
4530 | break; | |
4531 | case 0x3f: /* fistpll */ | |
4532 | gen_op_fistll_ST0_A0(); | |
4533 | gen_op_fpop(); | |
4534 | break; | |
4535 | default: | |
4536 | goto illegal_op; | |
4537 | } | |
4538 | } else { | |
4539 | /* register float ops */ | |
4540 | opreg = rm; | |
4541 | ||
4542 | switch(op) { | |
4543 | case 0x08: /* fld sti */ | |
4544 | gen_op_fpush(); | |
4545 | gen_op_fmov_ST0_STN((opreg + 1) & 7); | |
4546 | break; | |
4547 | case 0x09: /* fxchg sti */ | |
c169c906 FB |
4548 | case 0x29: /* fxchg4 sti, undocumented op */ |
4549 | case 0x39: /* fxchg7 sti, undocumented op */ | |
2c0262af FB |
4550 | gen_op_fxchg_ST0_STN(opreg); |
4551 | break; | |
4552 | case 0x0a: /* grp d9/2 */ | |
4553 | switch(rm) { | |
4554 | case 0: /* fnop */ | |
023fe10d FB |
4555 | /* check exceptions (FreeBSD FPU probe) */ |
4556 | if (s->cc_op != CC_OP_DYNAMIC) | |
4557 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 4558 | gen_jmp_im(pc_start - s->cs_base); |
023fe10d | 4559 | gen_op_fwait(); |
2c0262af FB |
4560 | break; |
4561 | default: | |
4562 | goto illegal_op; | |
4563 | } | |
4564 | break; | |
4565 | case 0x0c: /* grp d9/4 */ | |
4566 | switch(rm) { | |
4567 | case 0: /* fchs */ | |
4568 | gen_op_fchs_ST0(); | |
4569 | break; | |
4570 | case 1: /* fabs */ | |
4571 | gen_op_fabs_ST0(); | |
4572 | break; | |
4573 | case 4: /* ftst */ | |
4574 | gen_op_fldz_FT0(); | |
4575 | gen_op_fcom_ST0_FT0(); | |
4576 | break; | |
4577 | case 5: /* fxam */ | |
4578 | gen_op_fxam_ST0(); | |
4579 | break; | |
4580 | default: | |
4581 | goto illegal_op; | |
4582 | } | |
4583 | break; | |
4584 | case 0x0d: /* grp d9/5 */ | |
4585 | { | |
4586 | switch(rm) { | |
4587 | case 0: | |
4588 | gen_op_fpush(); | |
4589 | gen_op_fld1_ST0(); | |
4590 | break; | |
4591 | case 1: | |
4592 | gen_op_fpush(); | |
4593 | gen_op_fldl2t_ST0(); | |
4594 | break; | |
4595 | case 2: | |
4596 | gen_op_fpush(); | |
4597 | gen_op_fldl2e_ST0(); | |
4598 | break; | |
4599 | case 3: | |
4600 | gen_op_fpush(); | |
4601 | gen_op_fldpi_ST0(); | |
4602 | break; | |
4603 | case 4: | |
4604 | gen_op_fpush(); | |
4605 | gen_op_fldlg2_ST0(); | |
4606 | break; | |
4607 | case 5: | |
4608 | gen_op_fpush(); | |
4609 | gen_op_fldln2_ST0(); | |
4610 | break; | |
4611 | case 6: | |
4612 | gen_op_fpush(); | |
4613 | gen_op_fldz_ST0(); | |
4614 | break; | |
4615 | default: | |
4616 | goto illegal_op; | |
4617 | } | |
4618 | } | |
4619 | break; | |
4620 | case 0x0e: /* grp d9/6 */ | |
4621 | switch(rm) { | |
4622 | case 0: /* f2xm1 */ | |
4623 | gen_op_f2xm1(); | |
4624 | break; | |
4625 | case 1: /* fyl2x */ | |
4626 | gen_op_fyl2x(); | |
4627 | break; | |
4628 | case 2: /* fptan */ | |
4629 | gen_op_fptan(); | |
4630 | break; | |
4631 | case 3: /* fpatan */ | |
4632 | gen_op_fpatan(); | |
4633 | break; | |
4634 | case 4: /* fxtract */ | |
4635 | gen_op_fxtract(); | |
4636 | break; | |
4637 | case 5: /* fprem1 */ | |
4638 | gen_op_fprem1(); | |
4639 | break; | |
4640 | case 6: /* fdecstp */ | |
4641 | gen_op_fdecstp(); | |
4642 | break; | |
4643 | default: | |
4644 | case 7: /* fincstp */ | |
4645 | gen_op_fincstp(); | |
4646 | break; | |
4647 | } | |
4648 | break; | |
4649 | case 0x0f: /* grp d9/7 */ | |
4650 | switch(rm) { | |
4651 | case 0: /* fprem */ | |
4652 | gen_op_fprem(); | |
4653 | break; | |
4654 | case 1: /* fyl2xp1 */ | |
4655 | gen_op_fyl2xp1(); | |
4656 | break; | |
4657 | case 2: /* fsqrt */ | |
4658 | gen_op_fsqrt(); | |
4659 | break; | |
4660 | case 3: /* fsincos */ | |
4661 | gen_op_fsincos(); | |
4662 | break; | |
4663 | case 5: /* fscale */ | |
4664 | gen_op_fscale(); | |
4665 | break; | |
4666 | case 4: /* frndint */ | |
4667 | gen_op_frndint(); | |
4668 | break; | |
4669 | case 6: /* fsin */ | |
4670 | gen_op_fsin(); | |
4671 | break; | |
4672 | default: | |
4673 | case 7: /* fcos */ | |
4674 | gen_op_fcos(); | |
4675 | break; | |
4676 | } | |
4677 | break; | |
4678 | case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */ | |
4679 | case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */ | |
4680 | case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */ | |
4681 | { | |
4682 | int op1; | |
3b46e624 | 4683 | |
2c0262af FB |
4684 | op1 = op & 7; |
4685 | if (op >= 0x20) { | |
4686 | gen_op_fp_arith_STN_ST0[op1](opreg); | |
4687 | if (op >= 0x30) | |
4688 | gen_op_fpop(); | |
4689 | } else { | |
4690 | gen_op_fmov_FT0_STN(opreg); | |
4691 | gen_op_fp_arith_ST0_FT0[op1](); | |
4692 | } | |
4693 | } | |
4694 | break; | |
4695 | case 0x02: /* fcom */ | |
c169c906 | 4696 | case 0x22: /* fcom2, undocumented op */ |
2c0262af FB |
4697 | gen_op_fmov_FT0_STN(opreg); |
4698 | gen_op_fcom_ST0_FT0(); | |
4699 | break; | |
4700 | case 0x03: /* fcomp */ | |
c169c906 FB |
4701 | case 0x23: /* fcomp3, undocumented op */ |
4702 | case 0x32: /* fcomp5, undocumented op */ | |
2c0262af FB |
4703 | gen_op_fmov_FT0_STN(opreg); |
4704 | gen_op_fcom_ST0_FT0(); | |
4705 | gen_op_fpop(); | |
4706 | break; | |
4707 | case 0x15: /* da/5 */ | |
4708 | switch(rm) { | |
4709 | case 1: /* fucompp */ | |
4710 | gen_op_fmov_FT0_STN(1); | |
4711 | gen_op_fucom_ST0_FT0(); | |
4712 | gen_op_fpop(); | |
4713 | gen_op_fpop(); | |
4714 | break; | |
4715 | default: | |
4716 | goto illegal_op; | |
4717 | } | |
4718 | break; | |
4719 | case 0x1c: | |
4720 | switch(rm) { | |
4721 | case 0: /* feni (287 only, just do nop here) */ | |
4722 | break; | |
4723 | case 1: /* fdisi (287 only, just do nop here) */ | |
4724 | break; | |
4725 | case 2: /* fclex */ | |
4726 | gen_op_fclex(); | |
4727 | break; | |
4728 | case 3: /* fninit */ | |
4729 | gen_op_fninit(); | |
4730 | break; | |
4731 | case 4: /* fsetpm (287 only, just do nop here) */ | |
4732 | break; | |
4733 | default: | |
4734 | goto illegal_op; | |
4735 | } | |
4736 | break; | |
4737 | case 0x1d: /* fucomi */ | |
4738 | if (s->cc_op != CC_OP_DYNAMIC) | |
4739 | gen_op_set_cc_op(s->cc_op); | |
4740 | gen_op_fmov_FT0_STN(opreg); | |
4741 | gen_op_fucomi_ST0_FT0(); | |
4742 | s->cc_op = CC_OP_EFLAGS; | |
4743 | break; | |
4744 | case 0x1e: /* fcomi */ | |
4745 | if (s->cc_op != CC_OP_DYNAMIC) | |
4746 | gen_op_set_cc_op(s->cc_op); | |
4747 | gen_op_fmov_FT0_STN(opreg); | |
4748 | gen_op_fcomi_ST0_FT0(); | |
4749 | s->cc_op = CC_OP_EFLAGS; | |
4750 | break; | |
658c8bda FB |
4751 | case 0x28: /* ffree sti */ |
4752 | gen_op_ffree_STN(opreg); | |
5fafdf24 | 4753 | break; |
2c0262af FB |
4754 | case 0x2a: /* fst sti */ |
4755 | gen_op_fmov_STN_ST0(opreg); | |
4756 | break; | |
4757 | case 0x2b: /* fstp sti */ | |
c169c906 FB |
4758 | case 0x0b: /* fstp1 sti, undocumented op */ |
4759 | case 0x3a: /* fstp8 sti, undocumented op */ | |
4760 | case 0x3b: /* fstp9 sti, undocumented op */ | |
2c0262af FB |
4761 | gen_op_fmov_STN_ST0(opreg); |
4762 | gen_op_fpop(); | |
4763 | break; | |
4764 | case 0x2c: /* fucom st(i) */ | |
4765 | gen_op_fmov_FT0_STN(opreg); | |
4766 | gen_op_fucom_ST0_FT0(); | |
4767 | break; | |
4768 | case 0x2d: /* fucomp st(i) */ | |
4769 | gen_op_fmov_FT0_STN(opreg); | |
4770 | gen_op_fucom_ST0_FT0(); | |
4771 | gen_op_fpop(); | |
4772 | break; | |
4773 | case 0x33: /* de/3 */ | |
4774 | switch(rm) { | |
4775 | case 1: /* fcompp */ | |
4776 | gen_op_fmov_FT0_STN(1); | |
4777 | gen_op_fcom_ST0_FT0(); | |
4778 | gen_op_fpop(); | |
4779 | gen_op_fpop(); | |
4780 | break; | |
4781 | default: | |
4782 | goto illegal_op; | |
4783 | } | |
4784 | break; | |
c169c906 FB |
4785 | case 0x38: /* ffreep sti, undocumented op */ |
4786 | gen_op_ffree_STN(opreg); | |
4787 | gen_op_fpop(); | |
4788 | break; | |
2c0262af FB |
4789 | case 0x3c: /* df/4 */ |
4790 | switch(rm) { | |
4791 | case 0: | |
4792 | gen_op_fnstsw_EAX(); | |
4793 | break; | |
4794 | default: | |
4795 | goto illegal_op; | |
4796 | } | |
4797 | break; | |
4798 | case 0x3d: /* fucomip */ | |
4799 | if (s->cc_op != CC_OP_DYNAMIC) | |
4800 | gen_op_set_cc_op(s->cc_op); | |
4801 | gen_op_fmov_FT0_STN(opreg); | |
4802 | gen_op_fucomi_ST0_FT0(); | |
4803 | gen_op_fpop(); | |
4804 | s->cc_op = CC_OP_EFLAGS; | |
4805 | break; | |
4806 | case 0x3e: /* fcomip */ | |
4807 | if (s->cc_op != CC_OP_DYNAMIC) | |
4808 | gen_op_set_cc_op(s->cc_op); | |
4809 | gen_op_fmov_FT0_STN(opreg); | |
4810 | gen_op_fcomi_ST0_FT0(); | |
4811 | gen_op_fpop(); | |
4812 | s->cc_op = CC_OP_EFLAGS; | |
4813 | break; | |
a2cc3b24 FB |
4814 | case 0x10 ... 0x13: /* fcmovxx */ |
4815 | case 0x18 ... 0x1b: | |
4816 | { | |
4817 | int op1; | |
4818 | const static uint8_t fcmov_cc[8] = { | |
4819 | (JCC_B << 1), | |
4820 | (JCC_Z << 1), | |
4821 | (JCC_BE << 1), | |
4822 | (JCC_P << 1), | |
4823 | }; | |
4824 | op1 = fcmov_cc[op & 3] | ((op >> 3) & 1); | |
4825 | gen_setcc(s, op1); | |
4826 | gen_op_fcmov_ST0_STN_T0(opreg); | |
4827 | } | |
4828 | break; | |
2c0262af FB |
4829 | default: |
4830 | goto illegal_op; | |
4831 | } | |
4832 | } | |
4833 | break; | |
4834 | /************************/ | |
4835 | /* string ops */ | |
4836 | ||
4837 | case 0xa4: /* movsS */ | |
4838 | case 0xa5: | |
4839 | if ((b & 1) == 0) | |
4840 | ot = OT_BYTE; | |
4841 | else | |
14ce26e7 | 4842 | ot = dflag + OT_WORD; |
2c0262af FB |
4843 | |
4844 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { | |
4845 | gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
4846 | } else { | |
4847 | gen_movs(s, ot); | |
4848 | } | |
4849 | break; | |
3b46e624 | 4850 | |
2c0262af FB |
4851 | case 0xaa: /* stosS */ |
4852 | case 0xab: | |
4853 | if ((b & 1) == 0) | |
4854 | ot = OT_BYTE; | |
4855 | else | |
14ce26e7 | 4856 | ot = dflag + OT_WORD; |
2c0262af FB |
4857 | |
4858 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { | |
4859 | gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
4860 | } else { | |
4861 | gen_stos(s, ot); | |
4862 | } | |
4863 | break; | |
4864 | case 0xac: /* lodsS */ | |
4865 | case 0xad: | |
4866 | if ((b & 1) == 0) | |
4867 | ot = OT_BYTE; | |
4868 | else | |
14ce26e7 | 4869 | ot = dflag + OT_WORD; |
2c0262af FB |
4870 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
4871 | gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
4872 | } else { | |
4873 | gen_lods(s, ot); | |
4874 | } | |
4875 | break; | |
4876 | case 0xae: /* scasS */ | |
4877 | case 0xaf: | |
4878 | if ((b & 1) == 0) | |
4879 | ot = OT_BYTE; | |
4880 | else | |
14ce26e7 | 4881 | ot = dflag + OT_WORD; |
2c0262af FB |
4882 | if (prefixes & PREFIX_REPNZ) { |
4883 | gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); | |
4884 | } else if (prefixes & PREFIX_REPZ) { | |
4885 | gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); | |
4886 | } else { | |
4887 | gen_scas(s, ot); | |
4888 | s->cc_op = CC_OP_SUBB + ot; | |
4889 | } | |
4890 | break; | |
4891 | ||
4892 | case 0xa6: /* cmpsS */ | |
4893 | case 0xa7: | |
4894 | if ((b & 1) == 0) | |
4895 | ot = OT_BYTE; | |
4896 | else | |
14ce26e7 | 4897 | ot = dflag + OT_WORD; |
2c0262af FB |
4898 | if (prefixes & PREFIX_REPNZ) { |
4899 | gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); | |
4900 | } else if (prefixes & PREFIX_REPZ) { | |
4901 | gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); | |
4902 | } else { | |
4903 | gen_cmps(s, ot); | |
4904 | s->cc_op = CC_OP_SUBB + ot; | |
4905 | } | |
4906 | break; | |
4907 | case 0x6c: /* insS */ | |
4908 | case 0x6d: | |
f115e911 FB |
4909 | if ((b & 1) == 0) |
4910 | ot = OT_BYTE; | |
4911 | else | |
4912 | ot = dflag ? OT_LONG : OT_WORD; | |
4913 | gen_check_io(s, ot, 1, pc_start - s->cs_base); | |
57fec1fe | 4914 | gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
0573fbfc TS |
4915 | gen_op_andl_T0_ffff(); |
4916 | if (gen_svm_check_io(s, pc_start, | |
4917 | SVM_IOIO_TYPE_MASK | (1 << (4+ot)) | | |
4918 | svm_is_rep(prefixes) | 4 | (1 << (7+s->aflag)))) | |
4919 | break; | |
f115e911 FB |
4920 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
4921 | gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
2c0262af | 4922 | } else { |
f115e911 | 4923 | gen_ins(s, ot); |
2c0262af FB |
4924 | } |
4925 | break; | |
4926 | case 0x6e: /* outsS */ | |
4927 | case 0x6f: | |
f115e911 FB |
4928 | if ((b & 1) == 0) |
4929 | ot = OT_BYTE; | |
4930 | else | |
4931 | ot = dflag ? OT_LONG : OT_WORD; | |
4932 | gen_check_io(s, ot, 1, pc_start - s->cs_base); | |
57fec1fe | 4933 | gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
0573fbfc TS |
4934 | gen_op_andl_T0_ffff(); |
4935 | if (gen_svm_check_io(s, pc_start, | |
4936 | (1 << (4+ot)) | svm_is_rep(prefixes) | | |
4937 | 4 | (1 << (7+s->aflag)))) | |
4938 | break; | |
f115e911 FB |
4939 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
4940 | gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
2c0262af | 4941 | } else { |
f115e911 | 4942 | gen_outs(s, ot); |
2c0262af FB |
4943 | } |
4944 | break; | |
4945 | ||
4946 | /************************/ | |
4947 | /* port I/O */ | |
0573fbfc | 4948 | |
2c0262af FB |
4949 | case 0xe4: |
4950 | case 0xe5: | |
f115e911 FB |
4951 | if ((b & 1) == 0) |
4952 | ot = OT_BYTE; | |
4953 | else | |
4954 | ot = dflag ? OT_LONG : OT_WORD; | |
4955 | val = ldub_code(s->pc++); | |
4956 | gen_op_movl_T0_im(val); | |
4957 | gen_check_io(s, ot, 0, pc_start - s->cs_base); | |
0573fbfc TS |
4958 | if (gen_svm_check_io(s, pc_start, |
4959 | SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | | |
4960 | (1 << (4+ot)))) | |
4961 | break; | |
f115e911 | 4962 | gen_op_in[ot](); |
57fec1fe | 4963 | gen_op_mov_reg_T1(ot, R_EAX); |
2c0262af FB |
4964 | break; |
4965 | case 0xe6: | |
4966 | case 0xe7: | |
f115e911 FB |
4967 | if ((b & 1) == 0) |
4968 | ot = OT_BYTE; | |
4969 | else | |
4970 | ot = dflag ? OT_LONG : OT_WORD; | |
4971 | val = ldub_code(s->pc++); | |
4972 | gen_op_movl_T0_im(val); | |
4973 | gen_check_io(s, ot, 0, pc_start - s->cs_base); | |
0573fbfc TS |
4974 | if (gen_svm_check_io(s, pc_start, svm_is_rep(prefixes) | |
4975 | (1 << (4+ot)))) | |
4976 | break; | |
57fec1fe | 4977 | gen_op_mov_TN_reg(ot, 1, R_EAX); |
f115e911 | 4978 | gen_op_out[ot](); |
2c0262af FB |
4979 | break; |
4980 | case 0xec: | |
4981 | case 0xed: | |
f115e911 FB |
4982 | if ((b & 1) == 0) |
4983 | ot = OT_BYTE; | |
4984 | else | |
4985 | ot = dflag ? OT_LONG : OT_WORD; | |
57fec1fe | 4986 | gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
4f31916f | 4987 | gen_op_andl_T0_ffff(); |
f115e911 | 4988 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
0573fbfc TS |
4989 | if (gen_svm_check_io(s, pc_start, |
4990 | SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | | |
4991 | (1 << (4+ot)))) | |
4992 | break; | |
f115e911 | 4993 | gen_op_in[ot](); |
57fec1fe | 4994 | gen_op_mov_reg_T1(ot, R_EAX); |
2c0262af FB |
4995 | break; |
4996 | case 0xee: | |
4997 | case 0xef: | |
f115e911 FB |
4998 | if ((b & 1) == 0) |
4999 | ot = OT_BYTE; | |
5000 | else | |
5001 | ot = dflag ? OT_LONG : OT_WORD; | |
57fec1fe | 5002 | gen_op_mov_TN_reg(OT_WORD, 0, R_EDX); |
4f31916f | 5003 | gen_op_andl_T0_ffff(); |
f115e911 | 5004 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
0573fbfc TS |
5005 | if (gen_svm_check_io(s, pc_start, |
5006 | svm_is_rep(prefixes) | (1 << (4+ot)))) | |
5007 | break; | |
57fec1fe | 5008 | gen_op_mov_TN_reg(ot, 1, R_EAX); |
f115e911 | 5009 | gen_op_out[ot](); |
2c0262af FB |
5010 | break; |
5011 | ||
5012 | /************************/ | |
5013 | /* control */ | |
5014 | case 0xc2: /* ret im */ | |
61382a50 | 5015 | val = ldsw_code(s->pc); |
2c0262af FB |
5016 | s->pc += 2; |
5017 | gen_pop_T0(s); | |
8f091a59 FB |
5018 | if (CODE64(s) && s->dflag) |
5019 | s->dflag = 2; | |
2c0262af FB |
5020 | gen_stack_update(s, val + (2 << s->dflag)); |
5021 | if (s->dflag == 0) | |
5022 | gen_op_andl_T0_ffff(); | |
5023 | gen_op_jmp_T0(); | |
5024 | gen_eob(s); | |
5025 | break; | |
5026 | case 0xc3: /* ret */ | |
5027 | gen_pop_T0(s); | |
5028 | gen_pop_update(s); | |
5029 | if (s->dflag == 0) | |
5030 | gen_op_andl_T0_ffff(); | |
5031 | gen_op_jmp_T0(); | |
5032 | gen_eob(s); | |
5033 | break; | |
5034 | case 0xca: /* lret im */ | |
61382a50 | 5035 | val = ldsw_code(s->pc); |
2c0262af FB |
5036 | s->pc += 2; |
5037 | do_lret: | |
5038 | if (s->pe && !s->vm86) { | |
5039 | if (s->cc_op != CC_OP_DYNAMIC) | |
5040 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5041 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5042 | gen_op_lret_protected(s->dflag, val); |
5043 | } else { | |
5044 | gen_stack_A0(s); | |
5045 | /* pop offset */ | |
57fec1fe | 5046 | gen_op_ld_T0_A0(1 + s->dflag + s->mem_index); |
2c0262af FB |
5047 | if (s->dflag == 0) |
5048 | gen_op_andl_T0_ffff(); | |
5049 | /* NOTE: keeping EIP updated is not a problem in case of | |
5050 | exception */ | |
5051 | gen_op_jmp_T0(); | |
5052 | /* pop selector */ | |
5053 | gen_op_addl_A0_im(2 << s->dflag); | |
57fec1fe | 5054 | gen_op_ld_T0_A0(1 + s->dflag + s->mem_index); |
2c0262af FB |
5055 | gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[R_CS])); |
5056 | /* add stack offset */ | |
5057 | gen_stack_update(s, val + (4 << s->dflag)); | |
5058 | } | |
5059 | gen_eob(s); | |
5060 | break; | |
5061 | case 0xcb: /* lret */ | |
5062 | val = 0; | |
5063 | goto do_lret; | |
5064 | case 0xcf: /* iret */ | |
0573fbfc TS |
5065 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET)) |
5066 | break; | |
2c0262af FB |
5067 | if (!s->pe) { |
5068 | /* real mode */ | |
5069 | gen_op_iret_real(s->dflag); | |
5070 | s->cc_op = CC_OP_EFLAGS; | |
f115e911 FB |
5071 | } else if (s->vm86) { |
5072 | if (s->iopl != 3) { | |
5073 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5074 | } else { | |
5075 | gen_op_iret_real(s->dflag); | |
5076 | s->cc_op = CC_OP_EFLAGS; | |
5077 | } | |
2c0262af FB |
5078 | } else { |
5079 | if (s->cc_op != CC_OP_DYNAMIC) | |
5080 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5081 | gen_jmp_im(pc_start - s->cs_base); |
08cea4ee | 5082 | gen_op_iret_protected(s->dflag, s->pc - s->cs_base); |
2c0262af FB |
5083 | s->cc_op = CC_OP_EFLAGS; |
5084 | } | |
5085 | gen_eob(s); | |
5086 | break; | |
5087 | case 0xe8: /* call im */ | |
5088 | { | |
14ce26e7 FB |
5089 | if (dflag) |
5090 | tval = (int32_t)insn_get(s, OT_LONG); | |
5091 | else | |
5092 | tval = (int16_t)insn_get(s, OT_WORD); | |
2c0262af | 5093 | next_eip = s->pc - s->cs_base; |
14ce26e7 | 5094 | tval += next_eip; |
2c0262af | 5095 | if (s->dflag == 0) |
14ce26e7 FB |
5096 | tval &= 0xffff; |
5097 | gen_movtl_T0_im(next_eip); | |
2c0262af | 5098 | gen_push_T0(s); |
14ce26e7 | 5099 | gen_jmp(s, tval); |
2c0262af FB |
5100 | } |
5101 | break; | |
5102 | case 0x9a: /* lcall im */ | |
5103 | { | |
5104 | unsigned int selector, offset; | |
3b46e624 | 5105 | |
14ce26e7 FB |
5106 | if (CODE64(s)) |
5107 | goto illegal_op; | |
2c0262af FB |
5108 | ot = dflag ? OT_LONG : OT_WORD; |
5109 | offset = insn_get(s, ot); | |
5110 | selector = insn_get(s, OT_WORD); | |
3b46e624 | 5111 | |
2c0262af | 5112 | gen_op_movl_T0_im(selector); |
14ce26e7 | 5113 | gen_op_movl_T1_imu(offset); |
2c0262af FB |
5114 | } |
5115 | goto do_lcall; | |
ecada8a2 | 5116 | case 0xe9: /* jmp im */ |
14ce26e7 FB |
5117 | if (dflag) |
5118 | tval = (int32_t)insn_get(s, OT_LONG); | |
5119 | else | |
5120 | tval = (int16_t)insn_get(s, OT_WORD); | |
5121 | tval += s->pc - s->cs_base; | |
2c0262af | 5122 | if (s->dflag == 0) |
14ce26e7 FB |
5123 | tval &= 0xffff; |
5124 | gen_jmp(s, tval); | |
2c0262af FB |
5125 | break; |
5126 | case 0xea: /* ljmp im */ | |
5127 | { | |
5128 | unsigned int selector, offset; | |
5129 | ||
14ce26e7 FB |
5130 | if (CODE64(s)) |
5131 | goto illegal_op; | |
2c0262af FB |
5132 | ot = dflag ? OT_LONG : OT_WORD; |
5133 | offset = insn_get(s, ot); | |
5134 | selector = insn_get(s, OT_WORD); | |
3b46e624 | 5135 | |
2c0262af | 5136 | gen_op_movl_T0_im(selector); |
14ce26e7 | 5137 | gen_op_movl_T1_imu(offset); |
2c0262af FB |
5138 | } |
5139 | goto do_ljmp; | |
5140 | case 0xeb: /* jmp Jb */ | |
14ce26e7 FB |
5141 | tval = (int8_t)insn_get(s, OT_BYTE); |
5142 | tval += s->pc - s->cs_base; | |
2c0262af | 5143 | if (s->dflag == 0) |
14ce26e7 FB |
5144 | tval &= 0xffff; |
5145 | gen_jmp(s, tval); | |
2c0262af FB |
5146 | break; |
5147 | case 0x70 ... 0x7f: /* jcc Jb */ | |
14ce26e7 | 5148 | tval = (int8_t)insn_get(s, OT_BYTE); |
2c0262af FB |
5149 | goto do_jcc; |
5150 | case 0x180 ... 0x18f: /* jcc Jv */ | |
5151 | if (dflag) { | |
14ce26e7 | 5152 | tval = (int32_t)insn_get(s, OT_LONG); |
2c0262af | 5153 | } else { |
5fafdf24 | 5154 | tval = (int16_t)insn_get(s, OT_WORD); |
2c0262af FB |
5155 | } |
5156 | do_jcc: | |
5157 | next_eip = s->pc - s->cs_base; | |
14ce26e7 | 5158 | tval += next_eip; |
2c0262af | 5159 | if (s->dflag == 0) |
14ce26e7 FB |
5160 | tval &= 0xffff; |
5161 | gen_jcc(s, b, tval, next_eip); | |
2c0262af FB |
5162 | break; |
5163 | ||
5164 | case 0x190 ... 0x19f: /* setcc Gv */ | |
61382a50 | 5165 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5166 | gen_setcc(s, b); |
5167 | gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1); | |
5168 | break; | |
5169 | case 0x140 ... 0x14f: /* cmov Gv, Ev */ | |
14ce26e7 | 5170 | ot = dflag + OT_WORD; |
61382a50 | 5171 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5172 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
5173 | mod = (modrm >> 6) & 3; |
5174 | gen_setcc(s, b); | |
5175 | if (mod != 3) { | |
5176 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 5177 | gen_op_ld_T1_A0(ot + s->mem_index); |
2c0262af | 5178 | } else { |
14ce26e7 | 5179 | rm = (modrm & 7) | REX_B(s); |
57fec1fe | 5180 | gen_op_mov_TN_reg(ot, 1, rm); |
2c0262af FB |
5181 | } |
5182 | gen_op_cmov_reg_T1_T0[ot - OT_WORD][reg](); | |
5183 | break; | |
3b46e624 | 5184 | |
2c0262af FB |
5185 | /************************/ |
5186 | /* flags */ | |
5187 | case 0x9c: /* pushf */ | |
0573fbfc TS |
5188 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF)) |
5189 | break; | |
2c0262af FB |
5190 | if (s->vm86 && s->iopl != 3) { |
5191 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5192 | } else { | |
5193 | if (s->cc_op != CC_OP_DYNAMIC) | |
5194 | gen_op_set_cc_op(s->cc_op); | |
5195 | gen_op_movl_T0_eflags(); | |
5196 | gen_push_T0(s); | |
5197 | } | |
5198 | break; | |
5199 | case 0x9d: /* popf */ | |
0573fbfc TS |
5200 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF)) |
5201 | break; | |
2c0262af FB |
5202 | if (s->vm86 && s->iopl != 3) { |
5203 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5204 | } else { | |
5205 | gen_pop_T0(s); | |
5206 | if (s->cpl == 0) { | |
5207 | if (s->dflag) { | |
5208 | gen_op_movl_eflags_T0_cpl0(); | |
5209 | } else { | |
5210 | gen_op_movw_eflags_T0_cpl0(); | |
5211 | } | |
5212 | } else { | |
4136f33c FB |
5213 | if (s->cpl <= s->iopl) { |
5214 | if (s->dflag) { | |
5215 | gen_op_movl_eflags_T0_io(); | |
5216 | } else { | |
5217 | gen_op_movw_eflags_T0_io(); | |
5218 | } | |
2c0262af | 5219 | } else { |
4136f33c FB |
5220 | if (s->dflag) { |
5221 | gen_op_movl_eflags_T0(); | |
5222 | } else { | |
5223 | gen_op_movw_eflags_T0(); | |
5224 | } | |
2c0262af FB |
5225 | } |
5226 | } | |
5227 | gen_pop_update(s); | |
5228 | s->cc_op = CC_OP_EFLAGS; | |
5229 | /* abort translation because TF flag may change */ | |
14ce26e7 | 5230 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5231 | gen_eob(s); |
5232 | } | |
5233 | break; | |
5234 | case 0x9e: /* sahf */ | |
14ce26e7 FB |
5235 | if (CODE64(s)) |
5236 | goto illegal_op; | |
57fec1fe | 5237 | gen_op_mov_TN_reg(OT_BYTE, 0, R_AH); |
2c0262af FB |
5238 | if (s->cc_op != CC_OP_DYNAMIC) |
5239 | gen_op_set_cc_op(s->cc_op); | |
5240 | gen_op_movb_eflags_T0(); | |
5241 | s->cc_op = CC_OP_EFLAGS; | |
5242 | break; | |
5243 | case 0x9f: /* lahf */ | |
14ce26e7 FB |
5244 | if (CODE64(s)) |
5245 | goto illegal_op; | |
2c0262af FB |
5246 | if (s->cc_op != CC_OP_DYNAMIC) |
5247 | gen_op_set_cc_op(s->cc_op); | |
5248 | gen_op_movl_T0_eflags(); | |
57fec1fe | 5249 | gen_op_mov_reg_T0(OT_BYTE, R_AH); |
2c0262af FB |
5250 | break; |
5251 | case 0xf5: /* cmc */ | |
5252 | if (s->cc_op != CC_OP_DYNAMIC) | |
5253 | gen_op_set_cc_op(s->cc_op); | |
5254 | gen_op_cmc(); | |
5255 | s->cc_op = CC_OP_EFLAGS; | |
5256 | break; | |
5257 | case 0xf8: /* clc */ | |
5258 | if (s->cc_op != CC_OP_DYNAMIC) | |
5259 | gen_op_set_cc_op(s->cc_op); | |
5260 | gen_op_clc(); | |
5261 | s->cc_op = CC_OP_EFLAGS; | |
5262 | break; | |
5263 | case 0xf9: /* stc */ | |
5264 | if (s->cc_op != CC_OP_DYNAMIC) | |
5265 | gen_op_set_cc_op(s->cc_op); | |
5266 | gen_op_stc(); | |
5267 | s->cc_op = CC_OP_EFLAGS; | |
5268 | break; | |
5269 | case 0xfc: /* cld */ | |
5270 | gen_op_cld(); | |
5271 | break; | |
5272 | case 0xfd: /* std */ | |
5273 | gen_op_std(); | |
5274 | break; | |
5275 | ||
5276 | /************************/ | |
5277 | /* bit operations */ | |
5278 | case 0x1ba: /* bt/bts/btr/btc Gv, im */ | |
14ce26e7 | 5279 | ot = dflag + OT_WORD; |
61382a50 | 5280 | modrm = ldub_code(s->pc++); |
33698e5f | 5281 | op = (modrm >> 3) & 7; |
2c0262af | 5282 | mod = (modrm >> 6) & 3; |
14ce26e7 | 5283 | rm = (modrm & 7) | REX_B(s); |
2c0262af | 5284 | if (mod != 3) { |
14ce26e7 | 5285 | s->rip_offset = 1; |
2c0262af | 5286 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
57fec1fe | 5287 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 5288 | } else { |
57fec1fe | 5289 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af FB |
5290 | } |
5291 | /* load shift */ | |
61382a50 | 5292 | val = ldub_code(s->pc++); |
2c0262af FB |
5293 | gen_op_movl_T1_im(val); |
5294 | if (op < 4) | |
5295 | goto illegal_op; | |
5296 | op -= 4; | |
5297 | gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); | |
5298 | s->cc_op = CC_OP_SARB + ot; | |
5299 | if (op != 0) { | |
5300 | if (mod != 3) | |
57fec1fe | 5301 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 5302 | else |
57fec1fe | 5303 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
5304 | gen_op_update_bt_cc(); |
5305 | } | |
5306 | break; | |
5307 | case 0x1a3: /* bt Gv, Ev */ | |
5308 | op = 0; | |
5309 | goto do_btx; | |
5310 | case 0x1ab: /* bts */ | |
5311 | op = 1; | |
5312 | goto do_btx; | |
5313 | case 0x1b3: /* btr */ | |
5314 | op = 2; | |
5315 | goto do_btx; | |
5316 | case 0x1bb: /* btc */ | |
5317 | op = 3; | |
5318 | do_btx: | |
14ce26e7 | 5319 | ot = dflag + OT_WORD; |
61382a50 | 5320 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5321 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 5322 | mod = (modrm >> 6) & 3; |
14ce26e7 | 5323 | rm = (modrm & 7) | REX_B(s); |
57fec1fe | 5324 | gen_op_mov_TN_reg(OT_LONG, 1, reg); |
2c0262af FB |
5325 | if (mod != 3) { |
5326 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5327 | /* specific case: we need to add a displacement */ | |
14ce26e7 | 5328 | gen_op_add_bit_A0_T1[ot - OT_WORD](); |
57fec1fe | 5329 | gen_op_ld_T0_A0(ot + s->mem_index); |
2c0262af | 5330 | } else { |
57fec1fe | 5331 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af FB |
5332 | } |
5333 | gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); | |
5334 | s->cc_op = CC_OP_SARB + ot; | |
5335 | if (op != 0) { | |
5336 | if (mod != 3) | |
57fec1fe | 5337 | gen_op_st_T0_A0(ot + s->mem_index); |
2c0262af | 5338 | else |
57fec1fe | 5339 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
5340 | gen_op_update_bt_cc(); |
5341 | } | |
5342 | break; | |
5343 | case 0x1bc: /* bsf */ | |
5344 | case 0x1bd: /* bsr */ | |
14ce26e7 | 5345 | ot = dflag + OT_WORD; |
61382a50 | 5346 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5347 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 5348 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
686f3f26 FB |
5349 | /* NOTE: in order to handle the 0 case, we must load the |
5350 | result. It could be optimized with a generated jump */ | |
57fec1fe | 5351 | gen_op_mov_TN_reg(ot, 1, reg); |
2c0262af | 5352 | gen_op_bsx_T0_cc[ot - OT_WORD][b & 1](); |
57fec1fe | 5353 | gen_op_mov_reg_T1(ot, reg); |
2c0262af FB |
5354 | s->cc_op = CC_OP_LOGICB + ot; |
5355 | break; | |
5356 | /************************/ | |
5357 | /* bcd */ | |
5358 | case 0x27: /* daa */ | |
14ce26e7 FB |
5359 | if (CODE64(s)) |
5360 | goto illegal_op; | |
2c0262af FB |
5361 | if (s->cc_op != CC_OP_DYNAMIC) |
5362 | gen_op_set_cc_op(s->cc_op); | |
5363 | gen_op_daa(); | |
5364 | s->cc_op = CC_OP_EFLAGS; | |
5365 | break; | |
5366 | case 0x2f: /* das */ | |
14ce26e7 FB |
5367 | if (CODE64(s)) |
5368 | goto illegal_op; | |
2c0262af FB |
5369 | if (s->cc_op != CC_OP_DYNAMIC) |
5370 | gen_op_set_cc_op(s->cc_op); | |
5371 | gen_op_das(); | |
5372 | s->cc_op = CC_OP_EFLAGS; | |
5373 | break; | |
5374 | case 0x37: /* aaa */ | |
14ce26e7 FB |
5375 | if (CODE64(s)) |
5376 | goto illegal_op; | |
2c0262af FB |
5377 | if (s->cc_op != CC_OP_DYNAMIC) |
5378 | gen_op_set_cc_op(s->cc_op); | |
5379 | gen_op_aaa(); | |
5380 | s->cc_op = CC_OP_EFLAGS; | |
5381 | break; | |
5382 | case 0x3f: /* aas */ | |
14ce26e7 FB |
5383 | if (CODE64(s)) |
5384 | goto illegal_op; | |
2c0262af FB |
5385 | if (s->cc_op != CC_OP_DYNAMIC) |
5386 | gen_op_set_cc_op(s->cc_op); | |
5387 | gen_op_aas(); | |
5388 | s->cc_op = CC_OP_EFLAGS; | |
5389 | break; | |
5390 | case 0xd4: /* aam */ | |
14ce26e7 FB |
5391 | if (CODE64(s)) |
5392 | goto illegal_op; | |
61382a50 | 5393 | val = ldub_code(s->pc++); |
b6d7c3db TS |
5394 | if (val == 0) { |
5395 | gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base); | |
5396 | } else { | |
5397 | gen_op_aam(val); | |
5398 | s->cc_op = CC_OP_LOGICB; | |
5399 | } | |
2c0262af FB |
5400 | break; |
5401 | case 0xd5: /* aad */ | |
14ce26e7 FB |
5402 | if (CODE64(s)) |
5403 | goto illegal_op; | |
61382a50 | 5404 | val = ldub_code(s->pc++); |
2c0262af FB |
5405 | gen_op_aad(val); |
5406 | s->cc_op = CC_OP_LOGICB; | |
5407 | break; | |
5408 | /************************/ | |
5409 | /* misc */ | |
5410 | case 0x90: /* nop */ | |
14ce26e7 | 5411 | /* XXX: xchg + rex handling */ |
ab1f142b FB |
5412 | /* XXX: correct lock test for all insn */ |
5413 | if (prefixes & PREFIX_LOCK) | |
5414 | goto illegal_op; | |
0573fbfc TS |
5415 | if (prefixes & PREFIX_REPZ) { |
5416 | gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE); | |
5417 | } | |
2c0262af FB |
5418 | break; |
5419 | case 0x9b: /* fwait */ | |
5fafdf24 | 5420 | if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) == |
7eee2a50 FB |
5421 | (HF_MP_MASK | HF_TS_MASK)) { |
5422 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
2ee73ac3 FB |
5423 | } else { |
5424 | if (s->cc_op != CC_OP_DYNAMIC) | |
5425 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5426 | gen_jmp_im(pc_start - s->cs_base); |
2ee73ac3 | 5427 | gen_op_fwait(); |
7eee2a50 | 5428 | } |
2c0262af FB |
5429 | break; |
5430 | case 0xcc: /* int3 */ | |
0573fbfc TS |
5431 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT)) |
5432 | break; | |
2c0262af FB |
5433 | gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base); |
5434 | break; | |
5435 | case 0xcd: /* int N */ | |
61382a50 | 5436 | val = ldub_code(s->pc++); |
0573fbfc TS |
5437 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT)) |
5438 | break; | |
f115e911 | 5439 | if (s->vm86 && s->iopl != 3) { |
5fafdf24 | 5440 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
f115e911 FB |
5441 | } else { |
5442 | gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base); | |
5443 | } | |
2c0262af FB |
5444 | break; |
5445 | case 0xce: /* into */ | |
14ce26e7 FB |
5446 | if (CODE64(s)) |
5447 | goto illegal_op; | |
0573fbfc TS |
5448 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT)) |
5449 | break; | |
2c0262af FB |
5450 | if (s->cc_op != CC_OP_DYNAMIC) |
5451 | gen_op_set_cc_op(s->cc_op); | |
a8ede8ba FB |
5452 | gen_jmp_im(pc_start - s->cs_base); |
5453 | gen_op_into(s->pc - pc_start); | |
2c0262af FB |
5454 | break; |
5455 | case 0xf1: /* icebp (undocumented, exits to external debugger) */ | |
0573fbfc TS |
5456 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP)) |
5457 | break; | |
aba9d61e | 5458 | #if 1 |
2c0262af | 5459 | gen_debug(s, pc_start - s->cs_base); |
aba9d61e FB |
5460 | #else |
5461 | /* start debug */ | |
5462 | tb_flush(cpu_single_env); | |
5463 | cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM); | |
5464 | #endif | |
2c0262af FB |
5465 | break; |
5466 | case 0xfa: /* cli */ | |
5467 | if (!s->vm86) { | |
5468 | if (s->cpl <= s->iopl) { | |
5469 | gen_op_cli(); | |
5470 | } else { | |
5471 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5472 | } | |
5473 | } else { | |
5474 | if (s->iopl == 3) { | |
5475 | gen_op_cli(); | |
5476 | } else { | |
5477 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5478 | } | |
5479 | } | |
5480 | break; | |
5481 | case 0xfb: /* sti */ | |
5482 | if (!s->vm86) { | |
5483 | if (s->cpl <= s->iopl) { | |
5484 | gen_sti: | |
5485 | gen_op_sti(); | |
5486 | /* interruptions are enabled only the first insn after sti */ | |
a2cc3b24 FB |
5487 | /* If several instructions disable interrupts, only the |
5488 | _first_ does it */ | |
5489 | if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) | |
5490 | gen_op_set_inhibit_irq(); | |
2c0262af | 5491 | /* give a chance to handle pending irqs */ |
14ce26e7 | 5492 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5493 | gen_eob(s); |
5494 | } else { | |
5495 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5496 | } | |
5497 | } else { | |
5498 | if (s->iopl == 3) { | |
5499 | goto gen_sti; | |
5500 | } else { | |
5501 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5502 | } | |
5503 | } | |
5504 | break; | |
5505 | case 0x62: /* bound */ | |
14ce26e7 FB |
5506 | if (CODE64(s)) |
5507 | goto illegal_op; | |
2c0262af | 5508 | ot = dflag ? OT_LONG : OT_WORD; |
61382a50 | 5509 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5510 | reg = (modrm >> 3) & 7; |
5511 | mod = (modrm >> 6) & 3; | |
5512 | if (mod == 3) | |
5513 | goto illegal_op; | |
57fec1fe | 5514 | gen_op_mov_TN_reg(ot, 0, reg); |
2c0262af | 5515 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
14ce26e7 | 5516 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af | 5517 | if (ot == OT_WORD) |
14ce26e7 | 5518 | gen_op_boundw(); |
2c0262af | 5519 | else |
14ce26e7 | 5520 | gen_op_boundl(); |
2c0262af FB |
5521 | break; |
5522 | case 0x1c8 ... 0x1cf: /* bswap reg */ | |
14ce26e7 FB |
5523 | reg = (b & 7) | REX_B(s); |
5524 | #ifdef TARGET_X86_64 | |
5525 | if (dflag == 2) { | |
57fec1fe FB |
5526 | gen_op_mov_TN_reg(OT_QUAD, 0, reg); |
5527 | tcg_gen_bswap_i64(cpu_T[0], cpu_T[0]); | |
5528 | gen_op_mov_reg_T0(OT_QUAD, reg); | |
5fafdf24 | 5529 | } else |
14ce26e7 | 5530 | { |
ac56dd48 | 5531 | TCGv tmp0; |
57fec1fe FB |
5532 | gen_op_mov_TN_reg(OT_LONG, 0, reg); |
5533 | ||
5534 | tmp0 = tcg_temp_new(TCG_TYPE_I32); | |
5535 | tcg_gen_trunc_i64_i32(tmp0, cpu_T[0]); | |
5536 | tcg_gen_bswap_i32(tmp0, tmp0); | |
5537 | tcg_gen_extu_i32_i64(cpu_T[0], tmp0); | |
5538 | gen_op_mov_reg_T0(OT_LONG, reg); | |
5539 | } | |
5540 | #else | |
5541 | { | |
5542 | gen_op_mov_TN_reg(OT_LONG, 0, reg); | |
5543 | tcg_gen_bswap_i32(cpu_T[0], cpu_T[0]); | |
5544 | gen_op_mov_reg_T0(OT_LONG, reg); | |
14ce26e7 | 5545 | } |
57fec1fe | 5546 | #endif |
2c0262af FB |
5547 | break; |
5548 | case 0xd6: /* salc */ | |
14ce26e7 FB |
5549 | if (CODE64(s)) |
5550 | goto illegal_op; | |
2c0262af FB |
5551 | if (s->cc_op != CC_OP_DYNAMIC) |
5552 | gen_op_set_cc_op(s->cc_op); | |
5553 | gen_op_salc(); | |
5554 | break; | |
5555 | case 0xe0: /* loopnz */ | |
5556 | case 0xe1: /* loopz */ | |
5557 | if (s->cc_op != CC_OP_DYNAMIC) | |
5558 | gen_op_set_cc_op(s->cc_op); | |
5559 | /* FALL THRU */ | |
5560 | case 0xe2: /* loop */ | |
5561 | case 0xe3: /* jecxz */ | |
14ce26e7 FB |
5562 | { |
5563 | int l1, l2; | |
5564 | ||
5565 | tval = (int8_t)insn_get(s, OT_BYTE); | |
5566 | next_eip = s->pc - s->cs_base; | |
5567 | tval += next_eip; | |
5568 | if (s->dflag == 0) | |
5569 | tval &= 0xffff; | |
3b46e624 | 5570 | |
14ce26e7 FB |
5571 | l1 = gen_new_label(); |
5572 | l2 = gen_new_label(); | |
5573 | b &= 3; | |
5574 | if (b == 3) { | |
5575 | gen_op_jz_ecx[s->aflag](l1); | |
5576 | } else { | |
5577 | gen_op_dec_ECX[s->aflag](); | |
0b9dc5e4 FB |
5578 | if (b <= 1) |
5579 | gen_op_mov_T0_cc(); | |
14ce26e7 FB |
5580 | gen_op_loop[s->aflag][b](l1); |
5581 | } | |
5582 | ||
5583 | gen_jmp_im(next_eip); | |
5584 | gen_op_jmp_label(l2); | |
5585 | gen_set_label(l1); | |
5586 | gen_jmp_im(tval); | |
5587 | gen_set_label(l2); | |
5588 | gen_eob(s); | |
5589 | } | |
2c0262af FB |
5590 | break; |
5591 | case 0x130: /* wrmsr */ | |
5592 | case 0x132: /* rdmsr */ | |
5593 | if (s->cpl != 0) { | |
5594 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5595 | } else { | |
0573fbfc TS |
5596 | int retval = 0; |
5597 | if (b & 2) { | |
5598 | retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 0); | |
2c0262af | 5599 | gen_op_rdmsr(); |
0573fbfc TS |
5600 | } else { |
5601 | retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 1); | |
2c0262af | 5602 | gen_op_wrmsr(); |
0573fbfc TS |
5603 | } |
5604 | if(retval) | |
5605 | gen_eob(s); | |
2c0262af FB |
5606 | } |
5607 | break; | |
5608 | case 0x131: /* rdtsc */ | |
0573fbfc TS |
5609 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_RDTSC)) |
5610 | break; | |
ecada8a2 | 5611 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5612 | gen_op_rdtsc(); |
5613 | break; | |
df01e0fc AZ |
5614 | case 0x133: /* rdpmc */ |
5615 | gen_jmp_im(pc_start - s->cs_base); | |
5616 | gen_op_rdpmc(); | |
5617 | break; | |
023fe10d | 5618 | case 0x134: /* sysenter */ |
14ce26e7 FB |
5619 | if (CODE64(s)) |
5620 | goto illegal_op; | |
023fe10d FB |
5621 | if (!s->pe) { |
5622 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5623 | } else { | |
5624 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5625 | gen_op_set_cc_op(s->cc_op); | |
5626 | s->cc_op = CC_OP_DYNAMIC; | |
5627 | } | |
14ce26e7 | 5628 | gen_jmp_im(pc_start - s->cs_base); |
023fe10d FB |
5629 | gen_op_sysenter(); |
5630 | gen_eob(s); | |
5631 | } | |
5632 | break; | |
5633 | case 0x135: /* sysexit */ | |
14ce26e7 FB |
5634 | if (CODE64(s)) |
5635 | goto illegal_op; | |
023fe10d FB |
5636 | if (!s->pe) { |
5637 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5638 | } else { | |
5639 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5640 | gen_op_set_cc_op(s->cc_op); | |
5641 | s->cc_op = CC_OP_DYNAMIC; | |
5642 | } | |
14ce26e7 | 5643 | gen_jmp_im(pc_start - s->cs_base); |
023fe10d FB |
5644 | gen_op_sysexit(); |
5645 | gen_eob(s); | |
5646 | } | |
5647 | break; | |
14ce26e7 FB |
5648 | #ifdef TARGET_X86_64 |
5649 | case 0x105: /* syscall */ | |
5650 | /* XXX: is it usable in real mode ? */ | |
5651 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5652 | gen_op_set_cc_op(s->cc_op); | |
5653 | s->cc_op = CC_OP_DYNAMIC; | |
5654 | } | |
5655 | gen_jmp_im(pc_start - s->cs_base); | |
06c2f506 | 5656 | gen_op_syscall(s->pc - pc_start); |
14ce26e7 FB |
5657 | gen_eob(s); |
5658 | break; | |
5659 | case 0x107: /* sysret */ | |
5660 | if (!s->pe) { | |
5661 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5662 | } else { | |
5663 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5664 | gen_op_set_cc_op(s->cc_op); | |
5665 | s->cc_op = CC_OP_DYNAMIC; | |
5666 | } | |
5667 | gen_jmp_im(pc_start - s->cs_base); | |
5668 | gen_op_sysret(s->dflag); | |
aba9d61e FB |
5669 | /* condition codes are modified only in long mode */ |
5670 | if (s->lma) | |
5671 | s->cc_op = CC_OP_EFLAGS; | |
14ce26e7 FB |
5672 | gen_eob(s); |
5673 | } | |
5674 | break; | |
5675 | #endif | |
2c0262af | 5676 | case 0x1a2: /* cpuid */ |
0573fbfc TS |
5677 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CPUID)) |
5678 | break; | |
2c0262af FB |
5679 | gen_op_cpuid(); |
5680 | break; | |
5681 | case 0xf4: /* hlt */ | |
5682 | if (s->cpl != 0) { | |
5683 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5684 | } else { | |
0573fbfc TS |
5685 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_HLT)) |
5686 | break; | |
2c0262af FB |
5687 | if (s->cc_op != CC_OP_DYNAMIC) |
5688 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5689 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5690 | gen_op_hlt(); |
5691 | s->is_jmp = 3; | |
5692 | } | |
5693 | break; | |
5694 | case 0x100: | |
61382a50 | 5695 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5696 | mod = (modrm >> 6) & 3; |
5697 | op = (modrm >> 3) & 7; | |
5698 | switch(op) { | |
5699 | case 0: /* sldt */ | |
f115e911 FB |
5700 | if (!s->pe || s->vm86) |
5701 | goto illegal_op; | |
0573fbfc TS |
5702 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ)) |
5703 | break; | |
2c0262af FB |
5704 | gen_op_movl_T0_env(offsetof(CPUX86State,ldt.selector)); |
5705 | ot = OT_WORD; | |
5706 | if (mod == 3) | |
5707 | ot += s->dflag; | |
5708 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); | |
5709 | break; | |
5710 | case 2: /* lldt */ | |
f115e911 FB |
5711 | if (!s->pe || s->vm86) |
5712 | goto illegal_op; | |
2c0262af FB |
5713 | if (s->cpl != 0) { |
5714 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5715 | } else { | |
0573fbfc TS |
5716 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE)) |
5717 | break; | |
2c0262af | 5718 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
14ce26e7 | 5719 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5720 | gen_op_lldt_T0(); |
5721 | } | |
5722 | break; | |
5723 | case 1: /* str */ | |
f115e911 FB |
5724 | if (!s->pe || s->vm86) |
5725 | goto illegal_op; | |
0573fbfc TS |
5726 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ)) |
5727 | break; | |
2c0262af FB |
5728 | gen_op_movl_T0_env(offsetof(CPUX86State,tr.selector)); |
5729 | ot = OT_WORD; | |
5730 | if (mod == 3) | |
5731 | ot += s->dflag; | |
5732 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); | |
5733 | break; | |
5734 | case 3: /* ltr */ | |
f115e911 FB |
5735 | if (!s->pe || s->vm86) |
5736 | goto illegal_op; | |
2c0262af FB |
5737 | if (s->cpl != 0) { |
5738 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5739 | } else { | |
0573fbfc TS |
5740 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE)) |
5741 | break; | |
2c0262af | 5742 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
14ce26e7 | 5743 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5744 | gen_op_ltr_T0(); |
5745 | } | |
5746 | break; | |
5747 | case 4: /* verr */ | |
5748 | case 5: /* verw */ | |
f115e911 FB |
5749 | if (!s->pe || s->vm86) |
5750 | goto illegal_op; | |
5751 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
5752 | if (s->cc_op != CC_OP_DYNAMIC) | |
5753 | gen_op_set_cc_op(s->cc_op); | |
5754 | if (op == 4) | |
5755 | gen_op_verr(); | |
5756 | else | |
5757 | gen_op_verw(); | |
5758 | s->cc_op = CC_OP_EFLAGS; | |
5759 | break; | |
2c0262af FB |
5760 | default: |
5761 | goto illegal_op; | |
5762 | } | |
5763 | break; | |
5764 | case 0x101: | |
61382a50 | 5765 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5766 | mod = (modrm >> 6) & 3; |
5767 | op = (modrm >> 3) & 7; | |
3d7374c5 | 5768 | rm = modrm & 7; |
2c0262af FB |
5769 | switch(op) { |
5770 | case 0: /* sgdt */ | |
2c0262af FB |
5771 | if (mod == 3) |
5772 | goto illegal_op; | |
0573fbfc TS |
5773 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ)) |
5774 | break; | |
2c0262af | 5775 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3d7374c5 | 5776 | gen_op_movl_T0_env(offsetof(CPUX86State, gdt.limit)); |
57fec1fe | 5777 | gen_op_st_T0_A0(OT_WORD + s->mem_index); |
aba9d61e | 5778 | gen_add_A0_im(s, 2); |
3d7374c5 | 5779 | gen_op_movtl_T0_env(offsetof(CPUX86State, gdt.base)); |
2c0262af FB |
5780 | if (!s->dflag) |
5781 | gen_op_andl_T0_im(0xffffff); | |
57fec1fe | 5782 | gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
2c0262af | 5783 | break; |
3d7374c5 FB |
5784 | case 1: |
5785 | if (mod == 3) { | |
5786 | switch (rm) { | |
5787 | case 0: /* monitor */ | |
5788 | if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || | |
5789 | s->cpl != 0) | |
5790 | goto illegal_op; | |
0573fbfc TS |
5791 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_MONITOR)) |
5792 | break; | |
3d7374c5 FB |
5793 | gen_jmp_im(pc_start - s->cs_base); |
5794 | #ifdef TARGET_X86_64 | |
5795 | if (s->aflag == 2) { | |
57fec1fe | 5796 | gen_op_movq_A0_reg(R_EBX); |
3d7374c5 | 5797 | gen_op_addq_A0_AL(); |
5fafdf24 | 5798 | } else |
3d7374c5 FB |
5799 | #endif |
5800 | { | |
57fec1fe | 5801 | gen_op_movl_A0_reg(R_EBX); |
3d7374c5 FB |
5802 | gen_op_addl_A0_AL(); |
5803 | if (s->aflag == 0) | |
5804 | gen_op_andl_A0_ffff(); | |
5805 | } | |
5806 | gen_add_A0_ds_seg(s); | |
5807 | gen_op_monitor(); | |
5808 | break; | |
5809 | case 1: /* mwait */ | |
5810 | if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || | |
5811 | s->cpl != 0) | |
5812 | goto illegal_op; | |
5813 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5814 | gen_op_set_cc_op(s->cc_op); | |
5815 | s->cc_op = CC_OP_DYNAMIC; | |
5816 | } | |
0573fbfc TS |
5817 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_MWAIT)) |
5818 | break; | |
3d7374c5 FB |
5819 | gen_jmp_im(s->pc - s->cs_base); |
5820 | gen_op_mwait(); | |
5821 | gen_eob(s); | |
5822 | break; | |
5823 | default: | |
5824 | goto illegal_op; | |
5825 | } | |
5826 | } else { /* sidt */ | |
0573fbfc TS |
5827 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ)) |
5828 | break; | |
3d7374c5 FB |
5829 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5830 | gen_op_movl_T0_env(offsetof(CPUX86State, idt.limit)); | |
57fec1fe | 5831 | gen_op_st_T0_A0(OT_WORD + s->mem_index); |
3d7374c5 FB |
5832 | gen_add_A0_im(s, 2); |
5833 | gen_op_movtl_T0_env(offsetof(CPUX86State, idt.base)); | |
5834 | if (!s->dflag) | |
5835 | gen_op_andl_T0_im(0xffffff); | |
57fec1fe | 5836 | gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
3d7374c5 FB |
5837 | } |
5838 | break; | |
2c0262af FB |
5839 | case 2: /* lgdt */ |
5840 | case 3: /* lidt */ | |
0573fbfc TS |
5841 | if (mod == 3) { |
5842 | switch(rm) { | |
5843 | case 0: /* VMRUN */ | |
5844 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMRUN)) | |
5845 | break; | |
5846 | if (s->cc_op != CC_OP_DYNAMIC) | |
5847 | gen_op_set_cc_op(s->cc_op); | |
5848 | gen_jmp_im(s->pc - s->cs_base); | |
5849 | gen_op_vmrun(); | |
5850 | s->cc_op = CC_OP_EFLAGS; | |
5851 | gen_eob(s); | |
5852 | break; | |
5853 | case 1: /* VMMCALL */ | |
5854 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMMCALL)) | |
5855 | break; | |
5856 | /* FIXME: cause #UD if hflags & SVM */ | |
5857 | gen_op_vmmcall(); | |
5858 | break; | |
5859 | case 2: /* VMLOAD */ | |
5860 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMLOAD)) | |
5861 | break; | |
5862 | gen_op_vmload(); | |
5863 | break; | |
5864 | case 3: /* VMSAVE */ | |
5865 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMSAVE)) | |
5866 | break; | |
5867 | gen_op_vmsave(); | |
5868 | break; | |
5869 | case 4: /* STGI */ | |
5870 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_STGI)) | |
5871 | break; | |
5872 | gen_op_stgi(); | |
5873 | break; | |
5874 | case 5: /* CLGI */ | |
5875 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CLGI)) | |
5876 | break; | |
5877 | gen_op_clgi(); | |
5878 | break; | |
5879 | case 6: /* SKINIT */ | |
5880 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SKINIT)) | |
5881 | break; | |
5882 | gen_op_skinit(); | |
5883 | break; | |
5884 | case 7: /* INVLPGA */ | |
5885 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPGA)) | |
5886 | break; | |
5887 | gen_op_invlpga(); | |
5888 | break; | |
5889 | default: | |
5890 | goto illegal_op; | |
5891 | } | |
5892 | } else if (s->cpl != 0) { | |
2c0262af FB |
5893 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5894 | } else { | |
0573fbfc TS |
5895 | if (gen_svm_check_intercept(s, pc_start, |
5896 | op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE)) | |
5897 | break; | |
2c0262af | 5898 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
57fec1fe | 5899 | gen_op_ld_T1_A0(OT_WORD + s->mem_index); |
aba9d61e | 5900 | gen_add_A0_im(s, 2); |
57fec1fe | 5901 | gen_op_ld_T0_A0(CODE64(s) + OT_LONG + s->mem_index); |
2c0262af FB |
5902 | if (!s->dflag) |
5903 | gen_op_andl_T0_im(0xffffff); | |
5904 | if (op == 2) { | |
14ce26e7 | 5905 | gen_op_movtl_env_T0(offsetof(CPUX86State,gdt.base)); |
2c0262af FB |
5906 | gen_op_movl_env_T1(offsetof(CPUX86State,gdt.limit)); |
5907 | } else { | |
14ce26e7 | 5908 | gen_op_movtl_env_T0(offsetof(CPUX86State,idt.base)); |
2c0262af FB |
5909 | gen_op_movl_env_T1(offsetof(CPUX86State,idt.limit)); |
5910 | } | |
5911 | } | |
5912 | break; | |
5913 | case 4: /* smsw */ | |
0573fbfc TS |
5914 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0)) |
5915 | break; | |
2c0262af FB |
5916 | gen_op_movl_T0_env(offsetof(CPUX86State,cr[0])); |
5917 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1); | |
5918 | break; | |
5919 | case 6: /* lmsw */ | |
5920 | if (s->cpl != 0) { | |
5921 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5922 | } else { | |
0573fbfc TS |
5923 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0)) |
5924 | break; | |
2c0262af FB |
5925 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
5926 | gen_op_lmsw_T0(); | |
14ce26e7 | 5927 | gen_jmp_im(s->pc - s->cs_base); |
d71b9a8b | 5928 | gen_eob(s); |
2c0262af FB |
5929 | } |
5930 | break; | |
5931 | case 7: /* invlpg */ | |
5932 | if (s->cpl != 0) { | |
5933 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5934 | } else { | |
14ce26e7 FB |
5935 | if (mod == 3) { |
5936 | #ifdef TARGET_X86_64 | |
3d7374c5 | 5937 | if (CODE64(s) && rm == 0) { |
14ce26e7 FB |
5938 | /* swapgs */ |
5939 | gen_op_movtl_T0_env(offsetof(CPUX86State,segs[R_GS].base)); | |
5940 | gen_op_movtl_T1_env(offsetof(CPUX86State,kernelgsbase)); | |
5941 | gen_op_movtl_env_T1(offsetof(CPUX86State,segs[R_GS].base)); | |
5942 | gen_op_movtl_env_T0(offsetof(CPUX86State,kernelgsbase)); | |
5fafdf24 | 5943 | } else |
14ce26e7 FB |
5944 | #endif |
5945 | { | |
5946 | goto illegal_op; | |
5947 | } | |
5948 | } else { | |
0573fbfc TS |
5949 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPG)) |
5950 | break; | |
14ce26e7 FB |
5951 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5952 | gen_op_invlpg_A0(); | |
5953 | gen_jmp_im(s->pc - s->cs_base); | |
5954 | gen_eob(s); | |
5955 | } | |
2c0262af FB |
5956 | } |
5957 | break; | |
5958 | default: | |
5959 | goto illegal_op; | |
5960 | } | |
5961 | break; | |
3415a4dd FB |
5962 | case 0x108: /* invd */ |
5963 | case 0x109: /* wbinvd */ | |
5964 | if (s->cpl != 0) { | |
5965 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5966 | } else { | |
ad848875 | 5967 | if (gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD)) |
0573fbfc | 5968 | break; |
3415a4dd FB |
5969 | /* nothing to do */ |
5970 | } | |
5971 | break; | |
14ce26e7 FB |
5972 | case 0x63: /* arpl or movslS (x86_64) */ |
5973 | #ifdef TARGET_X86_64 | |
5974 | if (CODE64(s)) { | |
5975 | int d_ot; | |
5976 | /* d_ot is the size of destination */ | |
5977 | d_ot = dflag + OT_WORD; | |
5978 | ||
5979 | modrm = ldub_code(s->pc++); | |
5980 | reg = ((modrm >> 3) & 7) | rex_r; | |
5981 | mod = (modrm >> 6) & 3; | |
5982 | rm = (modrm & 7) | REX_B(s); | |
3b46e624 | 5983 | |
14ce26e7 | 5984 | if (mod == 3) { |
57fec1fe | 5985 | gen_op_mov_TN_reg(OT_LONG, 0, rm); |
14ce26e7 FB |
5986 | /* sign extend */ |
5987 | if (d_ot == OT_QUAD) | |
5988 | gen_op_movslq_T0_T0(); | |
57fec1fe | 5989 | gen_op_mov_reg_T0(d_ot, reg); |
14ce26e7 FB |
5990 | } else { |
5991 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5992 | if (d_ot == OT_QUAD) { | |
57fec1fe | 5993 | gen_op_lds_T0_A0(OT_LONG + s->mem_index); |
14ce26e7 | 5994 | } else { |
57fec1fe | 5995 | gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
14ce26e7 | 5996 | } |
57fec1fe | 5997 | gen_op_mov_reg_T0(d_ot, reg); |
14ce26e7 | 5998 | } |
5fafdf24 | 5999 | } else |
14ce26e7 FB |
6000 | #endif |
6001 | { | |
6002 | if (!s->pe || s->vm86) | |
6003 | goto illegal_op; | |
6004 | ot = dflag ? OT_LONG : OT_WORD; | |
6005 | modrm = ldub_code(s->pc++); | |
6006 | reg = (modrm >> 3) & 7; | |
6007 | mod = (modrm >> 6) & 3; | |
6008 | rm = modrm & 7; | |
6009 | if (mod != 3) { | |
6010 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
57fec1fe | 6011 | gen_op_ld_T0_A0(ot + s->mem_index); |
14ce26e7 | 6012 | } else { |
57fec1fe | 6013 | gen_op_mov_TN_reg(ot, 0, rm); |
14ce26e7 FB |
6014 | } |
6015 | if (s->cc_op != CC_OP_DYNAMIC) | |
6016 | gen_op_set_cc_op(s->cc_op); | |
6017 | gen_op_arpl(); | |
6018 | s->cc_op = CC_OP_EFLAGS; | |
6019 | if (mod != 3) { | |
57fec1fe | 6020 | gen_op_st_T0_A0(ot + s->mem_index); |
14ce26e7 | 6021 | } else { |
57fec1fe | 6022 | gen_op_mov_reg_T0(ot, rm); |
14ce26e7 FB |
6023 | } |
6024 | gen_op_arpl_update(); | |
f115e911 | 6025 | } |
f115e911 | 6026 | break; |
2c0262af FB |
6027 | case 0x102: /* lar */ |
6028 | case 0x103: /* lsl */ | |
6029 | if (!s->pe || s->vm86) | |
6030 | goto illegal_op; | |
6031 | ot = dflag ? OT_LONG : OT_WORD; | |
61382a50 | 6032 | modrm = ldub_code(s->pc++); |
14ce26e7 | 6033 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 6034 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
57fec1fe | 6035 | gen_op_mov_TN_reg(ot, 1, reg); |
2c0262af FB |
6036 | if (s->cc_op != CC_OP_DYNAMIC) |
6037 | gen_op_set_cc_op(s->cc_op); | |
6038 | if (b == 0x102) | |
6039 | gen_op_lar(); | |
6040 | else | |
6041 | gen_op_lsl(); | |
6042 | s->cc_op = CC_OP_EFLAGS; | |
57fec1fe | 6043 | gen_op_mov_reg_T1(ot, reg); |
2c0262af FB |
6044 | break; |
6045 | case 0x118: | |
61382a50 | 6046 | modrm = ldub_code(s->pc++); |
2c0262af FB |
6047 | mod = (modrm >> 6) & 3; |
6048 | op = (modrm >> 3) & 7; | |
6049 | switch(op) { | |
6050 | case 0: /* prefetchnta */ | |
6051 | case 1: /* prefetchnt0 */ | |
6052 | case 2: /* prefetchnt0 */ | |
6053 | case 3: /* prefetchnt0 */ | |
6054 | if (mod == 3) | |
6055 | goto illegal_op; | |
6056 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
6057 | /* nothing more to do */ | |
6058 | break; | |
e17a36ce FB |
6059 | default: /* nop (multi byte) */ |
6060 | gen_nop_modrm(s, modrm); | |
6061 | break; | |
2c0262af FB |
6062 | } |
6063 | break; | |
e17a36ce FB |
6064 | case 0x119 ... 0x11f: /* nop (multi byte) */ |
6065 | modrm = ldub_code(s->pc++); | |
6066 | gen_nop_modrm(s, modrm); | |
6067 | break; | |
2c0262af FB |
6068 | case 0x120: /* mov reg, crN */ |
6069 | case 0x122: /* mov crN, reg */ | |
6070 | if (s->cpl != 0) { | |
6071 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
6072 | } else { | |
61382a50 | 6073 | modrm = ldub_code(s->pc++); |
2c0262af FB |
6074 | if ((modrm & 0xc0) != 0xc0) |
6075 | goto illegal_op; | |
14ce26e7 FB |
6076 | rm = (modrm & 7) | REX_B(s); |
6077 | reg = ((modrm >> 3) & 7) | rex_r; | |
6078 | if (CODE64(s)) | |
6079 | ot = OT_QUAD; | |
6080 | else | |
6081 | ot = OT_LONG; | |
2c0262af FB |
6082 | switch(reg) { |
6083 | case 0: | |
6084 | case 2: | |
6085 | case 3: | |
6086 | case 4: | |
9230e66e | 6087 | case 8: |
2c0262af | 6088 | if (b & 2) { |
0573fbfc | 6089 | gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0 + reg); |
57fec1fe | 6090 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af | 6091 | gen_op_movl_crN_T0(reg); |
14ce26e7 | 6092 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
6093 | gen_eob(s); |
6094 | } else { | |
0573fbfc | 6095 | gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0 + reg); |
5fafdf24 | 6096 | #if !defined(CONFIG_USER_ONLY) |
9230e66e FB |
6097 | if (reg == 8) |
6098 | gen_op_movtl_T0_cr8(); | |
6099 | else | |
82e41634 | 6100 | #endif |
9230e66e | 6101 | gen_op_movtl_T0_env(offsetof(CPUX86State,cr[reg])); |
57fec1fe | 6102 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
6103 | } |
6104 | break; | |
6105 | default: | |
6106 | goto illegal_op; | |
6107 | } | |
6108 | } | |
6109 | break; | |
6110 | case 0x121: /* mov reg, drN */ | |
6111 | case 0x123: /* mov drN, reg */ | |
6112 | if (s->cpl != 0) { | |
6113 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
6114 | } else { | |
61382a50 | 6115 | modrm = ldub_code(s->pc++); |
2c0262af FB |
6116 | if ((modrm & 0xc0) != 0xc0) |
6117 | goto illegal_op; | |
14ce26e7 FB |
6118 | rm = (modrm & 7) | REX_B(s); |
6119 | reg = ((modrm >> 3) & 7) | rex_r; | |
6120 | if (CODE64(s)) | |
6121 | ot = OT_QUAD; | |
6122 | else | |
6123 | ot = OT_LONG; | |
2c0262af | 6124 | /* XXX: do it dynamically with CR4.DE bit */ |
14ce26e7 | 6125 | if (reg == 4 || reg == 5 || reg >= 8) |
2c0262af FB |
6126 | goto illegal_op; |
6127 | if (b & 2) { | |
0573fbfc | 6128 | gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg); |
57fec1fe | 6129 | gen_op_mov_TN_reg(ot, 0, rm); |
2c0262af | 6130 | gen_op_movl_drN_T0(reg); |
14ce26e7 | 6131 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
6132 | gen_eob(s); |
6133 | } else { | |
0573fbfc | 6134 | gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg); |
14ce26e7 | 6135 | gen_op_movtl_T0_env(offsetof(CPUX86State,dr[reg])); |
57fec1fe | 6136 | gen_op_mov_reg_T0(ot, rm); |
2c0262af FB |
6137 | } |
6138 | } | |
6139 | break; | |
6140 | case 0x106: /* clts */ | |
6141 | if (s->cpl != 0) { | |
6142 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
6143 | } else { | |
0573fbfc | 6144 | gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); |
2c0262af | 6145 | gen_op_clts(); |
7eee2a50 | 6146 | /* abort block because static cpu state changed */ |
14ce26e7 | 6147 | gen_jmp_im(s->pc - s->cs_base); |
7eee2a50 | 6148 | gen_eob(s); |
2c0262af FB |
6149 | } |
6150 | break; | |
664e0f19 FB |
6151 | /* MMX/SSE/SSE2/PNI support */ |
6152 | case 0x1c3: /* MOVNTI reg, mem */ | |
6153 | if (!(s->cpuid_features & CPUID_SSE2)) | |
14ce26e7 | 6154 | goto illegal_op; |
664e0f19 FB |
6155 | ot = s->dflag == 2 ? OT_QUAD : OT_LONG; |
6156 | modrm = ldub_code(s->pc++); | |
6157 | mod = (modrm >> 6) & 3; | |
6158 | if (mod == 3) | |
6159 | goto illegal_op; | |
6160 | reg = ((modrm >> 3) & 7) | rex_r; | |
6161 | /* generate a generic store */ | |
6162 | gen_ldst_modrm(s, modrm, ot, reg, 1); | |
14ce26e7 | 6163 | break; |
664e0f19 FB |
6164 | case 0x1ae: |
6165 | modrm = ldub_code(s->pc++); | |
6166 | mod = (modrm >> 6) & 3; | |
6167 | op = (modrm >> 3) & 7; | |
6168 | switch(op) { | |
6169 | case 0: /* fxsave */ | |
5fafdf24 | 6170 | if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
0fd14b72 | 6171 | (s->flags & HF_EM_MASK)) |
14ce26e7 | 6172 | goto illegal_op; |
0fd14b72 FB |
6173 | if (s->flags & HF_TS_MASK) { |
6174 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
6175 | break; | |
6176 | } | |
664e0f19 FB |
6177 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6178 | gen_op_fxsave_A0((s->dflag == 2)); | |
6179 | break; | |
6180 | case 1: /* fxrstor */ | |
5fafdf24 | 6181 | if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
0fd14b72 | 6182 | (s->flags & HF_EM_MASK)) |
14ce26e7 | 6183 | goto illegal_op; |
0fd14b72 FB |
6184 | if (s->flags & HF_TS_MASK) { |
6185 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
6186 | break; | |
6187 | } | |
664e0f19 FB |
6188 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6189 | gen_op_fxrstor_A0((s->dflag == 2)); | |
6190 | break; | |
6191 | case 2: /* ldmxcsr */ | |
6192 | case 3: /* stmxcsr */ | |
6193 | if (s->flags & HF_TS_MASK) { | |
6194 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
6195 | break; | |
14ce26e7 | 6196 | } |
664e0f19 FB |
6197 | if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) || |
6198 | mod == 3) | |
14ce26e7 | 6199 | goto illegal_op; |
664e0f19 FB |
6200 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6201 | if (op == 2) { | |
57fec1fe | 6202 | gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
664e0f19 | 6203 | gen_op_movl_env_T0(offsetof(CPUX86State, mxcsr)); |
14ce26e7 | 6204 | } else { |
664e0f19 | 6205 | gen_op_movl_T0_env(offsetof(CPUX86State, mxcsr)); |
57fec1fe | 6206 | gen_op_st_T0_A0(OT_LONG + s->mem_index); |
14ce26e7 | 6207 | } |
664e0f19 FB |
6208 | break; |
6209 | case 5: /* lfence */ | |
6210 | case 6: /* mfence */ | |
664e0f19 FB |
6211 | if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE)) |
6212 | goto illegal_op; | |
6213 | break; | |
8f091a59 FB |
6214 | case 7: /* sfence / clflush */ |
6215 | if ((modrm & 0xc7) == 0xc0) { | |
6216 | /* sfence */ | |
6217 | if (!(s->cpuid_features & CPUID_SSE)) | |
6218 | goto illegal_op; | |
6219 | } else { | |
6220 | /* clflush */ | |
6221 | if (!(s->cpuid_features & CPUID_CLFLUSH)) | |
6222 | goto illegal_op; | |
6223 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
6224 | } | |
6225 | break; | |
664e0f19 | 6226 | default: |
14ce26e7 FB |
6227 | goto illegal_op; |
6228 | } | |
6229 | break; | |
8f091a59 FB |
6230 | case 0x10d: /* prefetch */ |
6231 | modrm = ldub_code(s->pc++); | |
6232 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
6233 | /* ignore for now */ | |
6234 | break; | |
3b21e03e | 6235 | case 0x1aa: /* rsm */ |
0573fbfc TS |
6236 | if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM)) |
6237 | break; | |
3b21e03e FB |
6238 | if (!(s->flags & HF_SMM_MASK)) |
6239 | goto illegal_op; | |
6240 | if (s->cc_op != CC_OP_DYNAMIC) { | |
6241 | gen_op_set_cc_op(s->cc_op); | |
6242 | s->cc_op = CC_OP_DYNAMIC; | |
6243 | } | |
6244 | gen_jmp_im(s->pc - s->cs_base); | |
6245 | gen_op_rsm(); | |
6246 | gen_eob(s); | |
6247 | break; | |
664e0f19 FB |
6248 | case 0x110 ... 0x117: |
6249 | case 0x128 ... 0x12f: | |
6250 | case 0x150 ... 0x177: | |
6251 | case 0x17c ... 0x17f: | |
6252 | case 0x1c2: | |
6253 | case 0x1c4 ... 0x1c6: | |
6254 | case 0x1d0 ... 0x1fe: | |
6255 | gen_sse(s, b, pc_start, rex_r); | |
6256 | break; | |
2c0262af FB |
6257 | default: |
6258 | goto illegal_op; | |
6259 | } | |
6260 | /* lock generation */ | |
6261 | if (s->prefix & PREFIX_LOCK) | |
6262 | gen_op_unlock(); | |
6263 | return s->pc; | |
6264 | illegal_op: | |
ab1f142b FB |
6265 | if (s->prefix & PREFIX_LOCK) |
6266 | gen_op_unlock(); | |
2c0262af FB |
6267 | /* XXX: ensure that no lock was generated */ |
6268 | gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); | |
6269 | return s->pc; | |
6270 | } | |
6271 | ||
6272 | #define CC_OSZAPC (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C) | |
6273 | #define CC_OSZAP (CC_O | CC_S | CC_Z | CC_A | CC_P) | |
6274 | ||
6275 | /* flags read by an operation */ | |
5fafdf24 | 6276 | static uint16_t opc_read_flags[NB_OPS] = { |
2c0262af FB |
6277 | [INDEX_op_aas] = CC_A, |
6278 | [INDEX_op_aaa] = CC_A, | |
6279 | [INDEX_op_das] = CC_A | CC_C, | |
6280 | [INDEX_op_daa] = CC_A | CC_C, | |
6281 | ||
2c0262af | 6282 | /* subtle: due to the incl/decl implementation, C is used */ |
5fafdf24 | 6283 | [INDEX_op_update_inc_cc] = CC_C, |
2c0262af FB |
6284 | |
6285 | [INDEX_op_into] = CC_O, | |
6286 | ||
6287 | [INDEX_op_jb_subb] = CC_C, | |
6288 | [INDEX_op_jb_subw] = CC_C, | |
6289 | [INDEX_op_jb_subl] = CC_C, | |
6290 | ||
6291 | [INDEX_op_jz_subb] = CC_Z, | |
6292 | [INDEX_op_jz_subw] = CC_Z, | |
6293 | [INDEX_op_jz_subl] = CC_Z, | |
6294 | ||
6295 | [INDEX_op_jbe_subb] = CC_Z | CC_C, | |
6296 | [INDEX_op_jbe_subw] = CC_Z | CC_C, | |
6297 | [INDEX_op_jbe_subl] = CC_Z | CC_C, | |
6298 | ||
6299 | [INDEX_op_js_subb] = CC_S, | |
6300 | [INDEX_op_js_subw] = CC_S, | |
6301 | [INDEX_op_js_subl] = CC_S, | |
6302 | ||
6303 | [INDEX_op_jl_subb] = CC_O | CC_S, | |
6304 | [INDEX_op_jl_subw] = CC_O | CC_S, | |
6305 | [INDEX_op_jl_subl] = CC_O | CC_S, | |
6306 | ||
6307 | [INDEX_op_jle_subb] = CC_O | CC_S | CC_Z, | |
6308 | [INDEX_op_jle_subw] = CC_O | CC_S | CC_Z, | |
6309 | [INDEX_op_jle_subl] = CC_O | CC_S | CC_Z, | |
6310 | ||
6311 | [INDEX_op_loopnzw] = CC_Z, | |
6312 | [INDEX_op_loopnzl] = CC_Z, | |
6313 | [INDEX_op_loopzw] = CC_Z, | |
6314 | [INDEX_op_loopzl] = CC_Z, | |
6315 | ||
6316 | [INDEX_op_seto_T0_cc] = CC_O, | |
6317 | [INDEX_op_setb_T0_cc] = CC_C, | |
6318 | [INDEX_op_setz_T0_cc] = CC_Z, | |
6319 | [INDEX_op_setbe_T0_cc] = CC_Z | CC_C, | |
6320 | [INDEX_op_sets_T0_cc] = CC_S, | |
6321 | [INDEX_op_setp_T0_cc] = CC_P, | |
6322 | [INDEX_op_setl_T0_cc] = CC_O | CC_S, | |
6323 | [INDEX_op_setle_T0_cc] = CC_O | CC_S | CC_Z, | |
6324 | ||
6325 | [INDEX_op_setb_T0_subb] = CC_C, | |
6326 | [INDEX_op_setb_T0_subw] = CC_C, | |
6327 | [INDEX_op_setb_T0_subl] = CC_C, | |
6328 | ||
6329 | [INDEX_op_setz_T0_subb] = CC_Z, | |
6330 | [INDEX_op_setz_T0_subw] = CC_Z, | |
6331 | [INDEX_op_setz_T0_subl] = CC_Z, | |
6332 | ||
6333 | [INDEX_op_setbe_T0_subb] = CC_Z | CC_C, | |
6334 | [INDEX_op_setbe_T0_subw] = CC_Z | CC_C, | |
6335 | [INDEX_op_setbe_T0_subl] = CC_Z | CC_C, | |
6336 | ||
6337 | [INDEX_op_sets_T0_subb] = CC_S, | |
6338 | [INDEX_op_sets_T0_subw] = CC_S, | |
6339 | [INDEX_op_sets_T0_subl] = CC_S, | |
6340 | ||
6341 | [INDEX_op_setl_T0_subb] = CC_O | CC_S, | |
6342 | [INDEX_op_setl_T0_subw] = CC_O | CC_S, | |
6343 | [INDEX_op_setl_T0_subl] = CC_O | CC_S, | |
6344 | ||
6345 | [INDEX_op_setle_T0_subb] = CC_O | CC_S | CC_Z, | |
6346 | [INDEX_op_setle_T0_subw] = CC_O | CC_S | CC_Z, | |
6347 | [INDEX_op_setle_T0_subl] = CC_O | CC_S | CC_Z, | |
6348 | ||
6349 | [INDEX_op_movl_T0_eflags] = CC_OSZAPC, | |
6350 | [INDEX_op_cmc] = CC_C, | |
6351 | [INDEX_op_salc] = CC_C, | |
6352 | ||
7399c5a9 | 6353 | /* needed for correct flag optimisation before string ops */ |
14ce26e7 FB |
6354 | [INDEX_op_jnz_ecxw] = CC_OSZAPC, |
6355 | [INDEX_op_jnz_ecxl] = CC_OSZAPC, | |
7399c5a9 FB |
6356 | [INDEX_op_jz_ecxw] = CC_OSZAPC, |
6357 | [INDEX_op_jz_ecxl] = CC_OSZAPC, | |
14ce26e7 FB |
6358 | |
6359 | #ifdef TARGET_X86_64 | |
6360 | [INDEX_op_jb_subq] = CC_C, | |
6361 | [INDEX_op_jz_subq] = CC_Z, | |
6362 | [INDEX_op_jbe_subq] = CC_Z | CC_C, | |
6363 | [INDEX_op_js_subq] = CC_S, | |
6364 | [INDEX_op_jl_subq] = CC_O | CC_S, | |
6365 | [INDEX_op_jle_subq] = CC_O | CC_S | CC_Z, | |
6366 | ||
6367 | [INDEX_op_loopnzq] = CC_Z, | |
6368 | [INDEX_op_loopzq] = CC_Z, | |
6369 | ||
6370 | [INDEX_op_setb_T0_subq] = CC_C, | |
6371 | [INDEX_op_setz_T0_subq] = CC_Z, | |
6372 | [INDEX_op_setbe_T0_subq] = CC_Z | CC_C, | |
6373 | [INDEX_op_sets_T0_subq] = CC_S, | |
6374 | [INDEX_op_setl_T0_subq] = CC_O | CC_S, | |
6375 | [INDEX_op_setle_T0_subq] = CC_O | CC_S | CC_Z, | |
6376 | ||
6377 | [INDEX_op_jnz_ecxq] = CC_OSZAPC, | |
6378 | [INDEX_op_jz_ecxq] = CC_OSZAPC, | |
6379 | #endif | |
7399c5a9 | 6380 | |
4f31916f FB |
6381 | #define DEF_READF(SUFFIX)\ |
6382 | [INDEX_op_adcb ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6383 | [INDEX_op_adcw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6384 | [INDEX_op_adcl ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 | 6385 | X86_64_DEF([INDEX_op_adcq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
4f31916f FB |
6386 | [INDEX_op_sbbb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
6387 | [INDEX_op_sbbw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6388 | [INDEX_op_sbbl ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 | 6389 | X86_64_DEF([INDEX_op_sbbq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
4f31916f FB |
6390 | \ |
6391 | [INDEX_op_rclb ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6392 | [INDEX_op_rclw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6393 | [INDEX_op_rcll ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 | 6394 | X86_64_DEF([INDEX_op_rclq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
4f31916f FB |
6395 | [INDEX_op_rcrb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
6396 | [INDEX_op_rcrw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 FB |
6397 | [INDEX_op_rcrl ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
6398 | X86_64_DEF([INDEX_op_rcrq ## SUFFIX ## _T0_T1_cc] = CC_C,) | |
4f31916f | 6399 | |
4bb2fcc7 | 6400 | DEF_READF( ) |
4f31916f FB |
6401 | DEF_READF(_raw) |
6402 | #ifndef CONFIG_USER_ONLY | |
6403 | DEF_READF(_kernel) | |
6404 | DEF_READF(_user) | |
6405 | #endif | |
2c0262af FB |
6406 | }; |
6407 | ||
6408 | /* flags written by an operation */ | |
5fafdf24 | 6409 | static uint16_t opc_write_flags[NB_OPS] = { |
2c0262af FB |
6410 | [INDEX_op_update2_cc] = CC_OSZAPC, |
6411 | [INDEX_op_update1_cc] = CC_OSZAPC, | |
6412 | [INDEX_op_cmpl_T0_T1_cc] = CC_OSZAPC, | |
6413 | [INDEX_op_update_neg_cc] = CC_OSZAPC, | |
6414 | /* subtle: due to the incl/decl implementation, C is used */ | |
5fafdf24 | 6415 | [INDEX_op_update_inc_cc] = CC_OSZAPC, |
2c0262af FB |
6416 | [INDEX_op_testl_T0_T1_cc] = CC_OSZAPC, |
6417 | ||
2c0262af | 6418 | [INDEX_op_mulb_AL_T0] = CC_OSZAPC, |
2c0262af | 6419 | [INDEX_op_mulw_AX_T0] = CC_OSZAPC, |
2c0262af | 6420 | [INDEX_op_mull_EAX_T0] = CC_OSZAPC, |
14ce26e7 FB |
6421 | X86_64_DEF([INDEX_op_mulq_EAX_T0] = CC_OSZAPC,) |
6422 | [INDEX_op_imulb_AL_T0] = CC_OSZAPC, | |
6423 | [INDEX_op_imulw_AX_T0] = CC_OSZAPC, | |
2c0262af | 6424 | [INDEX_op_imull_EAX_T0] = CC_OSZAPC, |
14ce26e7 | 6425 | X86_64_DEF([INDEX_op_imulq_EAX_T0] = CC_OSZAPC,) |
2c0262af FB |
6426 | [INDEX_op_imulw_T0_T1] = CC_OSZAPC, |
6427 | [INDEX_op_imull_T0_T1] = CC_OSZAPC, | |
14ce26e7 FB |
6428 | X86_64_DEF([INDEX_op_imulq_T0_T1] = CC_OSZAPC,) |
6429 | ||
664e0f19 FB |
6430 | /* sse */ |
6431 | [INDEX_op_ucomiss] = CC_OSZAPC, | |
6432 | [INDEX_op_ucomisd] = CC_OSZAPC, | |
6433 | [INDEX_op_comiss] = CC_OSZAPC, | |
6434 | [INDEX_op_comisd] = CC_OSZAPC, | |
6435 | ||
2c0262af FB |
6436 | /* bcd */ |
6437 | [INDEX_op_aam] = CC_OSZAPC, | |
6438 | [INDEX_op_aad] = CC_OSZAPC, | |
6439 | [INDEX_op_aas] = CC_OSZAPC, | |
6440 | [INDEX_op_aaa] = CC_OSZAPC, | |
6441 | [INDEX_op_das] = CC_OSZAPC, | |
6442 | [INDEX_op_daa] = CC_OSZAPC, | |
6443 | ||
6444 | [INDEX_op_movb_eflags_T0] = CC_S | CC_Z | CC_A | CC_P | CC_C, | |
6445 | [INDEX_op_movw_eflags_T0] = CC_OSZAPC, | |
6446 | [INDEX_op_movl_eflags_T0] = CC_OSZAPC, | |
4136f33c FB |
6447 | [INDEX_op_movw_eflags_T0_io] = CC_OSZAPC, |
6448 | [INDEX_op_movl_eflags_T0_io] = CC_OSZAPC, | |
6449 | [INDEX_op_movw_eflags_T0_cpl0] = CC_OSZAPC, | |
6450 | [INDEX_op_movl_eflags_T0_cpl0] = CC_OSZAPC, | |
2c0262af FB |
6451 | [INDEX_op_clc] = CC_C, |
6452 | [INDEX_op_stc] = CC_C, | |
6453 | [INDEX_op_cmc] = CC_C, | |
6454 | ||
2c0262af FB |
6455 | [INDEX_op_btw_T0_T1_cc] = CC_OSZAPC, |
6456 | [INDEX_op_btl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6457 | X86_64_DEF([INDEX_op_btq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6458 | [INDEX_op_btsw_T0_T1_cc] = CC_OSZAPC, |
6459 | [INDEX_op_btsl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6460 | X86_64_DEF([INDEX_op_btsq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6461 | [INDEX_op_btrw_T0_T1_cc] = CC_OSZAPC, |
6462 | [INDEX_op_btrl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6463 | X86_64_DEF([INDEX_op_btrq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6464 | [INDEX_op_btcw_T0_T1_cc] = CC_OSZAPC, |
6465 | [INDEX_op_btcl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6466 | X86_64_DEF([INDEX_op_btcq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6467 | |
6468 | [INDEX_op_bsfw_T0_cc] = CC_OSZAPC, | |
6469 | [INDEX_op_bsfl_T0_cc] = CC_OSZAPC, | |
14ce26e7 | 6470 | X86_64_DEF([INDEX_op_bsfq_T0_cc] = CC_OSZAPC,) |
2c0262af FB |
6471 | [INDEX_op_bsrw_T0_cc] = CC_OSZAPC, |
6472 | [INDEX_op_bsrl_T0_cc] = CC_OSZAPC, | |
14ce26e7 | 6473 | X86_64_DEF([INDEX_op_bsrq_T0_cc] = CC_OSZAPC,) |
2c0262af FB |
6474 | |
6475 | [INDEX_op_cmpxchgb_T0_T1_EAX_cc] = CC_OSZAPC, | |
6476 | [INDEX_op_cmpxchgw_T0_T1_EAX_cc] = CC_OSZAPC, | |
6477 | [INDEX_op_cmpxchgl_T0_T1_EAX_cc] = CC_OSZAPC, | |
14ce26e7 | 6478 | X86_64_DEF([INDEX_op_cmpxchgq_T0_T1_EAX_cc] = CC_OSZAPC,) |
2c0262af | 6479 | |
2c0262af FB |
6480 | [INDEX_op_cmpxchg8b] = CC_Z, |
6481 | [INDEX_op_lar] = CC_Z, | |
6482 | [INDEX_op_lsl] = CC_Z, | |
cc6f538b FB |
6483 | [INDEX_op_verr] = CC_Z, |
6484 | [INDEX_op_verw] = CC_Z, | |
2c0262af FB |
6485 | [INDEX_op_fcomi_ST0_FT0] = CC_Z | CC_P | CC_C, |
6486 | [INDEX_op_fucomi_ST0_FT0] = CC_Z | CC_P | CC_C, | |
4f31916f FB |
6487 | |
6488 | #define DEF_WRITEF(SUFFIX)\ | |
6489 | [INDEX_op_adcb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6490 | [INDEX_op_adcw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6491 | [INDEX_op_adcl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6492 | X86_64_DEF([INDEX_op_adcq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6493 | [INDEX_op_sbbb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
6494 | [INDEX_op_sbbw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6495 | [INDEX_op_sbbl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6496 | X86_64_DEF([INDEX_op_sbbq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6497 | \ |
6498 | [INDEX_op_rolb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6499 | [INDEX_op_rolw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6500 | [INDEX_op_roll ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6501 | X86_64_DEF([INDEX_op_rolq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6502 | [INDEX_op_rorb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
6503 | [INDEX_op_rorw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6504 | [INDEX_op_rorl ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6505 | X86_64_DEF([INDEX_op_rorq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6506 | \ |
6507 | [INDEX_op_rclb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6508 | [INDEX_op_rclw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6509 | [INDEX_op_rcll ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6510 | X86_64_DEF([INDEX_op_rclq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6511 | [INDEX_op_rcrb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
6512 | [INDEX_op_rcrw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6513 | [INDEX_op_rcrl ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6514 | X86_64_DEF([INDEX_op_rcrq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6515 | \ |
6516 | [INDEX_op_shlb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6517 | [INDEX_op_shlw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6518 | [INDEX_op_shll ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6519 | X86_64_DEF([INDEX_op_shlq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6520 | \ |
6521 | [INDEX_op_shrb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6522 | [INDEX_op_shrw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6523 | [INDEX_op_shrl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6524 | X86_64_DEF([INDEX_op_shrq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6525 | \ |
6526 | [INDEX_op_sarb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6527 | [INDEX_op_sarw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6528 | [INDEX_op_sarl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6529 | X86_64_DEF([INDEX_op_sarq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6530 | \ |
6531 | [INDEX_op_shldw ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
6532 | [INDEX_op_shldl ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6533 | X86_64_DEF([INDEX_op_shldq ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6534 | [INDEX_op_shldw ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
6535 | [INDEX_op_shldl ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6536 | X86_64_DEF([INDEX_op_shldq ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6537 | \ |
6538 | [INDEX_op_shrdw ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
6539 | [INDEX_op_shrdl ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6540 | X86_64_DEF([INDEX_op_shrdq ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6541 | [INDEX_op_shrdw ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
6542 | [INDEX_op_shrdl ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6543 | X86_64_DEF([INDEX_op_shrdq ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6544 | \ |
6545 | [INDEX_op_cmpxchgb ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ | |
6546 | [INDEX_op_cmpxchgw ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ | |
14ce26e7 FB |
6547 | [INDEX_op_cmpxchgl ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ |
6548 | X86_64_DEF([INDEX_op_cmpxchgq ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,) | |
4f31916f FB |
6549 | |
6550 | ||
4bb2fcc7 | 6551 | DEF_WRITEF( ) |
4f31916f FB |
6552 | DEF_WRITEF(_raw) |
6553 | #ifndef CONFIG_USER_ONLY | |
6554 | DEF_WRITEF(_kernel) | |
6555 | DEF_WRITEF(_user) | |
6556 | #endif | |
2c0262af FB |
6557 | }; |
6558 | ||
6559 | /* simpler form of an operation if no flags need to be generated */ | |
5fafdf24 | 6560 | static uint16_t opc_simpler[NB_OPS] = { |
2c0262af FB |
6561 | [INDEX_op_update2_cc] = INDEX_op_nop, |
6562 | [INDEX_op_update1_cc] = INDEX_op_nop, | |
6563 | [INDEX_op_update_neg_cc] = INDEX_op_nop, | |
6564 | #if 0 | |
6565 | /* broken: CC_OP logic must be rewritten */ | |
6566 | [INDEX_op_update_inc_cc] = INDEX_op_nop, | |
6567 | #endif | |
2c0262af FB |
6568 | |
6569 | [INDEX_op_shlb_T0_T1_cc] = INDEX_op_shlb_T0_T1, | |
6570 | [INDEX_op_shlw_T0_T1_cc] = INDEX_op_shlw_T0_T1, | |
6571 | [INDEX_op_shll_T0_T1_cc] = INDEX_op_shll_T0_T1, | |
14ce26e7 | 6572 | X86_64_DEF([INDEX_op_shlq_T0_T1_cc] = INDEX_op_shlq_T0_T1,) |
2c0262af FB |
6573 | |
6574 | [INDEX_op_shrb_T0_T1_cc] = INDEX_op_shrb_T0_T1, | |
6575 | [INDEX_op_shrw_T0_T1_cc] = INDEX_op_shrw_T0_T1, | |
6576 | [INDEX_op_shrl_T0_T1_cc] = INDEX_op_shrl_T0_T1, | |
14ce26e7 | 6577 | X86_64_DEF([INDEX_op_shrq_T0_T1_cc] = INDEX_op_shrq_T0_T1,) |
2c0262af FB |
6578 | |
6579 | [INDEX_op_sarb_T0_T1_cc] = INDEX_op_sarb_T0_T1, | |
6580 | [INDEX_op_sarw_T0_T1_cc] = INDEX_op_sarw_T0_T1, | |
6581 | [INDEX_op_sarl_T0_T1_cc] = INDEX_op_sarl_T0_T1, | |
14ce26e7 | 6582 | X86_64_DEF([INDEX_op_sarq_T0_T1_cc] = INDEX_op_sarq_T0_T1,) |
4f31916f FB |
6583 | |
6584 | #define DEF_SIMPLER(SUFFIX)\ | |
6585 | [INDEX_op_rolb ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolb ## SUFFIX ## _T0_T1,\ | |
6586 | [INDEX_op_rolw ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolw ## SUFFIX ## _T0_T1,\ | |
6587 | [INDEX_op_roll ## SUFFIX ## _T0_T1_cc] = INDEX_op_roll ## SUFFIX ## _T0_T1,\ | |
14ce26e7 | 6588 | X86_64_DEF([INDEX_op_rolq ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolq ## SUFFIX ## _T0_T1,)\ |
4f31916f FB |
6589 | \ |
6590 | [INDEX_op_rorb ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorb ## SUFFIX ## _T0_T1,\ | |
6591 | [INDEX_op_rorw ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorw ## SUFFIX ## _T0_T1,\ | |
14ce26e7 FB |
6592 | [INDEX_op_rorl ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorl ## SUFFIX ## _T0_T1,\ |
6593 | X86_64_DEF([INDEX_op_rorq ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorq ## SUFFIX ## _T0_T1,) | |
4f31916f | 6594 | |
4bb2fcc7 | 6595 | DEF_SIMPLER( ) |
4f31916f FB |
6596 | DEF_SIMPLER(_raw) |
6597 | #ifndef CONFIG_USER_ONLY | |
6598 | DEF_SIMPLER(_kernel) | |
6599 | DEF_SIMPLER(_user) | |
6600 | #endif | |
2c0262af FB |
6601 | }; |
6602 | ||
57fec1fe FB |
6603 | static void tcg_macro_func(TCGContext *s, int macro_id, const int *dead_args) |
6604 | { | |
6605 | switch(macro_id) { | |
6606 | #ifdef MACRO_TEST | |
6607 | case MACRO_TEST: | |
6608 | tcg_gen_helper_0_1(helper_divl_EAX_T0, cpu_T[0]); | |
6609 | break; | |
6610 | #endif | |
6611 | } | |
6612 | } | |
6613 | ||
2c0262af FB |
6614 | void optimize_flags_init(void) |
6615 | { | |
6616 | int i; | |
6617 | /* put default values in arrays */ | |
6618 | for(i = 0; i < NB_OPS; i++) { | |
6619 | if (opc_simpler[i] == 0) | |
6620 | opc_simpler[i] = i; | |
6621 | } | |
57fec1fe FB |
6622 | |
6623 | tcg_set_macro_func(&tcg_ctx, tcg_macro_func); | |
6624 | ||
6625 | cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env"); | |
6626 | #if TARGET_LONG_BITS > HOST_LONG_BITS | |
6627 | cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL, | |
6628 | TCG_AREG0, offsetof(CPUState, t0), "T0"); | |
6629 | cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL, | |
6630 | TCG_AREG0, offsetof(CPUState, t1), "T1"); | |
6631 | cpu_A0 = tcg_global_mem_new(TCG_TYPE_TL, | |
6632 | TCG_AREG0, offsetof(CPUState, t2), "A0"); | |
6633 | #else | |
6634 | cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0"); | |
6635 | cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1"); | |
6636 | cpu_A0 = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG3, "A0"); | |
6637 | #endif | |
6638 | /* the helpers are only registered to print debug info */ | |
6639 | TCG_HELPER(helper_divl_EAX_T0); | |
6640 | TCG_HELPER(helper_idivl_EAX_T0); | |
2c0262af FB |
6641 | } |
6642 | ||
6643 | /* CPU flags computation optimization: we move backward thru the | |
6644 | generated code to see which flags are needed. The operation is | |
6645 | modified if suitable */ | |
6646 | static void optimize_flags(uint16_t *opc_buf, int opc_buf_len) | |
6647 | { | |
6648 | uint16_t *opc_ptr; | |
6649 | int live_flags, write_flags, op; | |
6650 | ||
6651 | opc_ptr = opc_buf + opc_buf_len; | |
6652 | /* live_flags contains the flags needed by the next instructions | |
e91c8a77 | 6653 | in the code. At the end of the block, we consider that all the |
2c0262af FB |
6654 | flags are live. */ |
6655 | live_flags = CC_OSZAPC; | |
6656 | while (opc_ptr > opc_buf) { | |
6657 | op = *--opc_ptr; | |
6658 | /* if none of the flags written by the instruction is used, | |
6659 | then we can try to find a simpler instruction */ | |
6660 | write_flags = opc_write_flags[op]; | |
6661 | if ((live_flags & write_flags) == 0) { | |
6662 | *opc_ptr = opc_simpler[op]; | |
6663 | } | |
6664 | /* compute the live flags before the instruction */ | |
6665 | live_flags &= ~write_flags; | |
6666 | live_flags |= opc_read_flags[op]; | |
6667 | } | |
6668 | } | |
6669 | ||
6670 | /* generate intermediate code in gen_opc_buf and gen_opparam_buf for | |
6671 | basic block 'tb'. If search_pc is TRUE, also generate PC | |
6672 | information for each intermediate instruction. */ | |
6673 | static inline int gen_intermediate_code_internal(CPUState *env, | |
5fafdf24 | 6674 | TranslationBlock *tb, |
2c0262af FB |
6675 | int search_pc) |
6676 | { | |
6677 | DisasContext dc1, *dc = &dc1; | |
14ce26e7 | 6678 | target_ulong pc_ptr; |
2c0262af | 6679 | uint16_t *gen_opc_end; |
c068688b JM |
6680 | int j, lj, cflags; |
6681 | uint64_t flags; | |
14ce26e7 FB |
6682 | target_ulong pc_start; |
6683 | target_ulong cs_base; | |
3b46e624 | 6684 | |
2c0262af | 6685 | /* generate intermediate code */ |
14ce26e7 FB |
6686 | pc_start = tb->pc; |
6687 | cs_base = tb->cs_base; | |
2c0262af | 6688 | flags = tb->flags; |
d720b93d | 6689 | cflags = tb->cflags; |
3a1d9b8b | 6690 | |
4f31916f | 6691 | dc->pe = (flags >> HF_PE_SHIFT) & 1; |
2c0262af FB |
6692 | dc->code32 = (flags >> HF_CS32_SHIFT) & 1; |
6693 | dc->ss32 = (flags >> HF_SS32_SHIFT) & 1; | |
6694 | dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1; | |
6695 | dc->f_st = 0; | |
6696 | dc->vm86 = (flags >> VM_SHIFT) & 1; | |
6697 | dc->cpl = (flags >> HF_CPL_SHIFT) & 3; | |
6698 | dc->iopl = (flags >> IOPL_SHIFT) & 3; | |
6699 | dc->tf = (flags >> TF_SHIFT) & 1; | |
34865134 | 6700 | dc->singlestep_enabled = env->singlestep_enabled; |
2c0262af FB |
6701 | dc->cc_op = CC_OP_DYNAMIC; |
6702 | dc->cs_base = cs_base; | |
6703 | dc->tb = tb; | |
6704 | dc->popl_esp_hack = 0; | |
6705 | /* select memory access functions */ | |
6706 | dc->mem_index = 0; | |
6707 | if (flags & HF_SOFTMMU_MASK) { | |
6708 | if (dc->cpl == 3) | |
14ce26e7 | 6709 | dc->mem_index = 2 * 4; |
2c0262af | 6710 | else |
14ce26e7 | 6711 | dc->mem_index = 1 * 4; |
2c0262af | 6712 | } |
14ce26e7 | 6713 | dc->cpuid_features = env->cpuid_features; |
3d7374c5 | 6714 | dc->cpuid_ext_features = env->cpuid_ext_features; |
14ce26e7 FB |
6715 | #ifdef TARGET_X86_64 |
6716 | dc->lma = (flags >> HF_LMA_SHIFT) & 1; | |
6717 | dc->code64 = (flags >> HF_CS64_SHIFT) & 1; | |
6718 | #endif | |
7eee2a50 | 6719 | dc->flags = flags; |
a2cc3b24 FB |
6720 | dc->jmp_opt = !(dc->tf || env->singlestep_enabled || |
6721 | (flags & HF_INHIBIT_IRQ_MASK) | |
415fa2ea | 6722 | #ifndef CONFIG_SOFTMMU |
2c0262af FB |
6723 | || (flags & HF_SOFTMMU_MASK) |
6724 | #endif | |
6725 | ); | |
4f31916f FB |
6726 | #if 0 |
6727 | /* check addseg logic */ | |
dc196a57 | 6728 | if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32)) |
4f31916f FB |
6729 | printf("ERROR addseg\n"); |
6730 | #endif | |
6731 | ||
57fec1fe FB |
6732 | cpu_tmp0 = tcg_temp_new(TCG_TYPE_TL); |
6733 | ||
2c0262af | 6734 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
2c0262af FB |
6735 | |
6736 | dc->is_jmp = DISAS_NEXT; | |
6737 | pc_ptr = pc_start; | |
6738 | lj = -1; | |
6739 | ||
2c0262af FB |
6740 | for(;;) { |
6741 | if (env->nb_breakpoints > 0) { | |
6742 | for(j = 0; j < env->nb_breakpoints; j++) { | |
14ce26e7 | 6743 | if (env->breakpoints[j] == pc_ptr) { |
2c0262af FB |
6744 | gen_debug(dc, pc_ptr - dc->cs_base); |
6745 | break; | |
6746 | } | |
6747 | } | |
6748 | } | |
6749 | if (search_pc) { | |
6750 | j = gen_opc_ptr - gen_opc_buf; | |
6751 | if (lj < j) { | |
6752 | lj++; | |
6753 | while (lj < j) | |
6754 | gen_opc_instr_start[lj++] = 0; | |
6755 | } | |
14ce26e7 | 6756 | gen_opc_pc[lj] = pc_ptr; |
2c0262af FB |
6757 | gen_opc_cc_op[lj] = dc->cc_op; |
6758 | gen_opc_instr_start[lj] = 1; | |
6759 | } | |
6760 | pc_ptr = disas_insn(dc, pc_ptr); | |
6761 | /* stop translation if indicated */ | |
6762 | if (dc->is_jmp) | |
6763 | break; | |
6764 | /* if single step mode, we generate only one instruction and | |
6765 | generate an exception */ | |
a2cc3b24 FB |
6766 | /* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear |
6767 | the flag and abort the translation to give the irqs a | |
6768 | change to be happen */ | |
5fafdf24 | 6769 | if (dc->tf || dc->singlestep_enabled || |
d720b93d FB |
6770 | (flags & HF_INHIBIT_IRQ_MASK) || |
6771 | (cflags & CF_SINGLE_INSN)) { | |
14ce26e7 | 6772 | gen_jmp_im(pc_ptr - dc->cs_base); |
2c0262af FB |
6773 | gen_eob(dc); |
6774 | break; | |
6775 | } | |
6776 | /* if too long translation, stop generation too */ | |
6777 | if (gen_opc_ptr >= gen_opc_end || | |
6778 | (pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32)) { | |
14ce26e7 | 6779 | gen_jmp_im(pc_ptr - dc->cs_base); |
2c0262af FB |
6780 | gen_eob(dc); |
6781 | break; | |
6782 | } | |
6783 | } | |
6784 | *gen_opc_ptr = INDEX_op_end; | |
6785 | /* we don't forget to fill the last values */ | |
6786 | if (search_pc) { | |
6787 | j = gen_opc_ptr - gen_opc_buf; | |
6788 | lj++; | |
6789 | while (lj <= j) | |
6790 | gen_opc_instr_start[lj++] = 0; | |
6791 | } | |
3b46e624 | 6792 | |
2c0262af | 6793 | #ifdef DEBUG_DISAS |
658c8bda | 6794 | if (loglevel & CPU_LOG_TB_CPU) { |
7fe48483 | 6795 | cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP); |
658c8bda | 6796 | } |
e19e89a5 | 6797 | if (loglevel & CPU_LOG_TB_IN_ASM) { |
14ce26e7 | 6798 | int disas_flags; |
2c0262af FB |
6799 | fprintf(logfile, "----------------\n"); |
6800 | fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); | |
14ce26e7 FB |
6801 | #ifdef TARGET_X86_64 |
6802 | if (dc->code64) | |
6803 | disas_flags = 2; | |
6804 | else | |
6805 | #endif | |
6806 | disas_flags = !dc->code32; | |
6807 | target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags); | |
2c0262af | 6808 | fprintf(logfile, "\n"); |
57fec1fe FB |
6809 | if (loglevel & CPU_LOG_TB_OP_OPT) { |
6810 | fprintf(logfile, "OP before opt:\n"); | |
6811 | tcg_dump_ops(&tcg_ctx, logfile); | |
e19e89a5 FB |
6812 | fprintf(logfile, "\n"); |
6813 | } | |
2c0262af FB |
6814 | } |
6815 | #endif | |
6816 | ||
6817 | /* optimize flag computations */ | |
6818 | optimize_flags(gen_opc_buf, gen_opc_ptr - gen_opc_buf); | |
6819 | ||
2c0262af FB |
6820 | if (!search_pc) |
6821 | tb->size = pc_ptr - pc_start; | |
6822 | return 0; | |
6823 | } | |
6824 | ||
6825 | int gen_intermediate_code(CPUState *env, TranslationBlock *tb) | |
6826 | { | |
6827 | return gen_intermediate_code_internal(env, tb, 0); | |
6828 | } | |
6829 | ||
6830 | int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) | |
6831 | { | |
6832 | return gen_intermediate_code_internal(env, tb, 1); | |
6833 | } | |
6834 |