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2c0262af FB |
1 | /* |
2 | * i386 translation | |
3 | * | |
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" | |
31 | ||
32 | /* XXX: move that elsewhere */ | |
33 | static uint16_t *gen_opc_ptr; | |
34 | static uint32_t *gen_opparam_ptr; | |
35 | ||
36 | #define PREFIX_REPZ 0x01 | |
37 | #define PREFIX_REPNZ 0x02 | |
38 | #define PREFIX_LOCK 0x04 | |
39 | #define PREFIX_DATA 0x08 | |
40 | #define PREFIX_ADR 0x10 | |
41 | ||
14ce26e7 FB |
42 | #ifdef TARGET_X86_64 |
43 | #define X86_64_ONLY(x) x | |
44 | #define X86_64_DEF(x...) x | |
45 | #define CODE64(s) ((s)->code64) | |
46 | #define REX_X(s) ((s)->rex_x) | |
47 | #define REX_B(s) ((s)->rex_b) | |
48 | /* XXX: gcc generates push/pop in some opcodes, so we cannot use them */ | |
49 | #if 1 | |
50 | #define BUGGY_64(x) NULL | |
51 | #endif | |
52 | #else | |
53 | #define X86_64_ONLY(x) NULL | |
54 | #define X86_64_DEF(x...) | |
55 | #define CODE64(s) 0 | |
56 | #define REX_X(s) 0 | |
57 | #define REX_B(s) 0 | |
58 | #endif | |
59 | ||
60 | #ifdef TARGET_X86_64 | |
61 | static int x86_64_hregs; | |
62 | #endif | |
63 | ||
ae063a68 FB |
64 | #ifdef USE_DIRECT_JUMP |
65 | #define TBPARAM(x) | |
66 | #else | |
67 | #define TBPARAM(x) (long)(x) | |
68 | #endif | |
69 | ||
2c0262af FB |
70 | typedef struct DisasContext { |
71 | /* current insn context */ | |
72 | int override; /* -1 if no override */ | |
73 | int prefix; | |
74 | int aflag, dflag; | |
14ce26e7 | 75 | target_ulong pc; /* pc = eip + cs_base */ |
2c0262af FB |
76 | int is_jmp; /* 1 = means jump (stop translation), 2 means CPU |
77 | static state change (stop translation) */ | |
78 | /* current block context */ | |
14ce26e7 | 79 | target_ulong cs_base; /* base of CS segment */ |
2c0262af FB |
80 | int pe; /* protected mode */ |
81 | int code32; /* 32 bit code segment */ | |
14ce26e7 FB |
82 | #ifdef TARGET_X86_64 |
83 | int lma; /* long mode active */ | |
84 | int code64; /* 64 bit code segment */ | |
85 | int rex_x, rex_b; | |
86 | #endif | |
2c0262af FB |
87 | int ss32; /* 32 bit stack segment */ |
88 | int cc_op; /* current CC operation */ | |
89 | int addseg; /* non zero if either DS/ES/SS have a non zero base */ | |
90 | int f_st; /* currently unused */ | |
91 | int vm86; /* vm86 mode */ | |
92 | int cpl; | |
93 | int iopl; | |
94 | int tf; /* TF cpu flag */ | |
34865134 | 95 | int singlestep_enabled; /* "hardware" single step enabled */ |
2c0262af FB |
96 | int jmp_opt; /* use direct block chaining for direct jumps */ |
97 | int mem_index; /* select memory access functions */ | |
7eee2a50 | 98 | int flags; /* all execution flags */ |
2c0262af FB |
99 | struct TranslationBlock *tb; |
100 | int popl_esp_hack; /* for correct popl with esp base handling */ | |
14ce26e7 FB |
101 | int rip_offset; /* only used in x86_64, but left for simplicity */ |
102 | int cpuid_features; | |
3d7374c5 | 103 | int cpuid_ext_features; |
2c0262af FB |
104 | } DisasContext; |
105 | ||
106 | static void gen_eob(DisasContext *s); | |
14ce26e7 FB |
107 | static void gen_jmp(DisasContext *s, target_ulong eip); |
108 | static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); | |
2c0262af FB |
109 | |
110 | /* i386 arith/logic operations */ | |
111 | enum { | |
112 | OP_ADDL, | |
113 | OP_ORL, | |
114 | OP_ADCL, | |
115 | OP_SBBL, | |
116 | OP_ANDL, | |
117 | OP_SUBL, | |
118 | OP_XORL, | |
119 | OP_CMPL, | |
120 | }; | |
121 | ||
122 | /* i386 shift ops */ | |
123 | enum { | |
124 | OP_ROL, | |
125 | OP_ROR, | |
126 | OP_RCL, | |
127 | OP_RCR, | |
128 | OP_SHL, | |
129 | OP_SHR, | |
130 | OP_SHL1, /* undocumented */ | |
131 | OP_SAR = 7, | |
132 | }; | |
133 | ||
134 | enum { | |
135 | #define DEF(s, n, copy_size) INDEX_op_ ## s, | |
136 | #include "opc.h" | |
137 | #undef DEF | |
138 | NB_OPS, | |
139 | }; | |
140 | ||
141 | #include "gen-op.h" | |
142 | ||
143 | /* operand size */ | |
144 | enum { | |
145 | OT_BYTE = 0, | |
146 | OT_WORD, | |
147 | OT_LONG, | |
148 | OT_QUAD, | |
149 | }; | |
150 | ||
151 | enum { | |
152 | /* I386 int registers */ | |
153 | OR_EAX, /* MUST be even numbered */ | |
154 | OR_ECX, | |
155 | OR_EDX, | |
156 | OR_EBX, | |
157 | OR_ESP, | |
158 | OR_EBP, | |
159 | OR_ESI, | |
160 | OR_EDI, | |
14ce26e7 FB |
161 | |
162 | OR_TMP0 = 16, /* temporary operand register */ | |
2c0262af FB |
163 | OR_TMP1, |
164 | OR_A0, /* temporary register used when doing address evaluation */ | |
2c0262af FB |
165 | }; |
166 | ||
14ce26e7 FB |
167 | #ifdef TARGET_X86_64 |
168 | ||
169 | #define NB_OP_SIZES 4 | |
170 | ||
171 | #define DEF_REGS(prefix, suffix) \ | |
172 | prefix ## EAX ## suffix,\ | |
173 | prefix ## ECX ## suffix,\ | |
174 | prefix ## EDX ## suffix,\ | |
175 | prefix ## EBX ## suffix,\ | |
176 | prefix ## ESP ## suffix,\ | |
177 | prefix ## EBP ## suffix,\ | |
178 | prefix ## ESI ## suffix,\ | |
179 | prefix ## EDI ## suffix,\ | |
180 | prefix ## R8 ## suffix,\ | |
181 | prefix ## R9 ## suffix,\ | |
182 | prefix ## R10 ## suffix,\ | |
183 | prefix ## R11 ## suffix,\ | |
184 | prefix ## R12 ## suffix,\ | |
185 | prefix ## R13 ## suffix,\ | |
186 | prefix ## R14 ## suffix,\ | |
187 | prefix ## R15 ## suffix, | |
188 | ||
189 | #define DEF_BREGS(prefixb, prefixh, suffix) \ | |
190 | \ | |
191 | static void prefixb ## ESP ## suffix ## _wrapper(void) \ | |
192 | { \ | |
193 | if (x86_64_hregs) \ | |
194 | prefixb ## ESP ## suffix (); \ | |
195 | else \ | |
196 | prefixh ## EAX ## suffix (); \ | |
197 | } \ | |
198 | \ | |
199 | static void prefixb ## EBP ## suffix ## _wrapper(void) \ | |
200 | { \ | |
201 | if (x86_64_hregs) \ | |
202 | prefixb ## EBP ## suffix (); \ | |
203 | else \ | |
204 | prefixh ## ECX ## suffix (); \ | |
205 | } \ | |
206 | \ | |
207 | static void prefixb ## ESI ## suffix ## _wrapper(void) \ | |
208 | { \ | |
209 | if (x86_64_hregs) \ | |
210 | prefixb ## ESI ## suffix (); \ | |
211 | else \ | |
212 | prefixh ## EDX ## suffix (); \ | |
213 | } \ | |
214 | \ | |
215 | static void prefixb ## EDI ## suffix ## _wrapper(void) \ | |
216 | { \ | |
217 | if (x86_64_hregs) \ | |
218 | prefixb ## EDI ## suffix (); \ | |
219 | else \ | |
220 | prefixh ## EBX ## suffix (); \ | |
221 | } | |
222 | ||
223 | DEF_BREGS(gen_op_movb_, gen_op_movh_, _T0) | |
224 | DEF_BREGS(gen_op_movb_, gen_op_movh_, _T1) | |
225 | DEF_BREGS(gen_op_movl_T0_, gen_op_movh_T0_, ) | |
226 | DEF_BREGS(gen_op_movl_T1_, gen_op_movh_T1_, ) | |
227 | ||
228 | #else /* !TARGET_X86_64 */ | |
229 | ||
230 | #define NB_OP_SIZES 3 | |
231 | ||
232 | #define DEF_REGS(prefix, suffix) \ | |
233 | prefix ## EAX ## suffix,\ | |
234 | prefix ## ECX ## suffix,\ | |
235 | prefix ## EDX ## suffix,\ | |
236 | prefix ## EBX ## suffix,\ | |
237 | prefix ## ESP ## suffix,\ | |
238 | prefix ## EBP ## suffix,\ | |
239 | prefix ## ESI ## suffix,\ | |
240 | prefix ## EDI ## suffix, | |
241 | ||
242 | #endif /* !TARGET_X86_64 */ | |
243 | ||
244 | static GenOpFunc *gen_op_mov_reg_T0[NB_OP_SIZES][CPU_NB_REGS] = { | |
2c0262af FB |
245 | [OT_BYTE] = { |
246 | gen_op_movb_EAX_T0, | |
247 | gen_op_movb_ECX_T0, | |
248 | gen_op_movb_EDX_T0, | |
249 | gen_op_movb_EBX_T0, | |
14ce26e7 FB |
250 | #ifdef TARGET_X86_64 |
251 | gen_op_movb_ESP_T0_wrapper, | |
252 | gen_op_movb_EBP_T0_wrapper, | |
253 | gen_op_movb_ESI_T0_wrapper, | |
254 | gen_op_movb_EDI_T0_wrapper, | |
255 | gen_op_movb_R8_T0, | |
256 | gen_op_movb_R9_T0, | |
257 | gen_op_movb_R10_T0, | |
258 | gen_op_movb_R11_T0, | |
259 | gen_op_movb_R12_T0, | |
260 | gen_op_movb_R13_T0, | |
261 | gen_op_movb_R14_T0, | |
262 | gen_op_movb_R15_T0, | |
263 | #else | |
2c0262af FB |
264 | gen_op_movh_EAX_T0, |
265 | gen_op_movh_ECX_T0, | |
266 | gen_op_movh_EDX_T0, | |
267 | gen_op_movh_EBX_T0, | |
14ce26e7 | 268 | #endif |
2c0262af FB |
269 | }, |
270 | [OT_WORD] = { | |
14ce26e7 | 271 | DEF_REGS(gen_op_movw_, _T0) |
2c0262af FB |
272 | }, |
273 | [OT_LONG] = { | |
14ce26e7 | 274 | DEF_REGS(gen_op_movl_, _T0) |
2c0262af | 275 | }, |
14ce26e7 FB |
276 | #ifdef TARGET_X86_64 |
277 | [OT_QUAD] = { | |
278 | DEF_REGS(gen_op_movq_, _T0) | |
279 | }, | |
280 | #endif | |
2c0262af FB |
281 | }; |
282 | ||
14ce26e7 | 283 | static GenOpFunc *gen_op_mov_reg_T1[NB_OP_SIZES][CPU_NB_REGS] = { |
2c0262af FB |
284 | [OT_BYTE] = { |
285 | gen_op_movb_EAX_T1, | |
286 | gen_op_movb_ECX_T1, | |
287 | gen_op_movb_EDX_T1, | |
288 | gen_op_movb_EBX_T1, | |
14ce26e7 FB |
289 | #ifdef TARGET_X86_64 |
290 | gen_op_movb_ESP_T1_wrapper, | |
291 | gen_op_movb_EBP_T1_wrapper, | |
292 | gen_op_movb_ESI_T1_wrapper, | |
293 | gen_op_movb_EDI_T1_wrapper, | |
294 | gen_op_movb_R8_T1, | |
295 | gen_op_movb_R9_T1, | |
296 | gen_op_movb_R10_T1, | |
297 | gen_op_movb_R11_T1, | |
298 | gen_op_movb_R12_T1, | |
299 | gen_op_movb_R13_T1, | |
300 | gen_op_movb_R14_T1, | |
301 | gen_op_movb_R15_T1, | |
302 | #else | |
2c0262af FB |
303 | gen_op_movh_EAX_T1, |
304 | gen_op_movh_ECX_T1, | |
305 | gen_op_movh_EDX_T1, | |
306 | gen_op_movh_EBX_T1, | |
14ce26e7 | 307 | #endif |
2c0262af FB |
308 | }, |
309 | [OT_WORD] = { | |
14ce26e7 | 310 | DEF_REGS(gen_op_movw_, _T1) |
2c0262af FB |
311 | }, |
312 | [OT_LONG] = { | |
14ce26e7 FB |
313 | DEF_REGS(gen_op_movl_, _T1) |
314 | }, | |
315 | #ifdef TARGET_X86_64 | |
316 | [OT_QUAD] = { | |
317 | DEF_REGS(gen_op_movq_, _T1) | |
2c0262af | 318 | }, |
14ce26e7 | 319 | #endif |
2c0262af FB |
320 | }; |
321 | ||
14ce26e7 | 322 | static GenOpFunc *gen_op_mov_reg_A0[NB_OP_SIZES - 1][CPU_NB_REGS] = { |
2c0262af | 323 | [0] = { |
14ce26e7 | 324 | DEF_REGS(gen_op_movw_, _A0) |
2c0262af FB |
325 | }, |
326 | [1] = { | |
14ce26e7 FB |
327 | DEF_REGS(gen_op_movl_, _A0) |
328 | }, | |
329 | #ifdef TARGET_X86_64 | |
330 | [2] = { | |
331 | DEF_REGS(gen_op_movq_, _A0) | |
2c0262af | 332 | }, |
14ce26e7 | 333 | #endif |
2c0262af FB |
334 | }; |
335 | ||
14ce26e7 | 336 | static GenOpFunc *gen_op_mov_TN_reg[NB_OP_SIZES][2][CPU_NB_REGS] = |
2c0262af FB |
337 | { |
338 | [OT_BYTE] = { | |
339 | { | |
340 | gen_op_movl_T0_EAX, | |
341 | gen_op_movl_T0_ECX, | |
342 | gen_op_movl_T0_EDX, | |
343 | gen_op_movl_T0_EBX, | |
14ce26e7 FB |
344 | #ifdef TARGET_X86_64 |
345 | gen_op_movl_T0_ESP_wrapper, | |
346 | gen_op_movl_T0_EBP_wrapper, | |
347 | gen_op_movl_T0_ESI_wrapper, | |
348 | gen_op_movl_T0_EDI_wrapper, | |
349 | gen_op_movl_T0_R8, | |
350 | gen_op_movl_T0_R9, | |
351 | gen_op_movl_T0_R10, | |
352 | gen_op_movl_T0_R11, | |
353 | gen_op_movl_T0_R12, | |
354 | gen_op_movl_T0_R13, | |
355 | gen_op_movl_T0_R14, | |
356 | gen_op_movl_T0_R15, | |
357 | #else | |
2c0262af FB |
358 | gen_op_movh_T0_EAX, |
359 | gen_op_movh_T0_ECX, | |
360 | gen_op_movh_T0_EDX, | |
361 | gen_op_movh_T0_EBX, | |
14ce26e7 | 362 | #endif |
2c0262af FB |
363 | }, |
364 | { | |
365 | gen_op_movl_T1_EAX, | |
366 | gen_op_movl_T1_ECX, | |
367 | gen_op_movl_T1_EDX, | |
368 | gen_op_movl_T1_EBX, | |
14ce26e7 FB |
369 | #ifdef TARGET_X86_64 |
370 | gen_op_movl_T1_ESP_wrapper, | |
371 | gen_op_movl_T1_EBP_wrapper, | |
372 | gen_op_movl_T1_ESI_wrapper, | |
373 | gen_op_movl_T1_EDI_wrapper, | |
374 | gen_op_movl_T1_R8, | |
375 | gen_op_movl_T1_R9, | |
376 | gen_op_movl_T1_R10, | |
377 | gen_op_movl_T1_R11, | |
378 | gen_op_movl_T1_R12, | |
379 | gen_op_movl_T1_R13, | |
380 | gen_op_movl_T1_R14, | |
381 | gen_op_movl_T1_R15, | |
382 | #else | |
2c0262af FB |
383 | gen_op_movh_T1_EAX, |
384 | gen_op_movh_T1_ECX, | |
385 | gen_op_movh_T1_EDX, | |
386 | gen_op_movh_T1_EBX, | |
14ce26e7 | 387 | #endif |
2c0262af FB |
388 | }, |
389 | }, | |
390 | [OT_WORD] = { | |
391 | { | |
14ce26e7 | 392 | DEF_REGS(gen_op_movl_T0_, ) |
2c0262af FB |
393 | }, |
394 | { | |
14ce26e7 | 395 | DEF_REGS(gen_op_movl_T1_, ) |
2c0262af FB |
396 | }, |
397 | }, | |
398 | [OT_LONG] = { | |
399 | { | |
14ce26e7 | 400 | DEF_REGS(gen_op_movl_T0_, ) |
2c0262af FB |
401 | }, |
402 | { | |
14ce26e7 | 403 | DEF_REGS(gen_op_movl_T1_, ) |
2c0262af FB |
404 | }, |
405 | }, | |
14ce26e7 FB |
406 | #ifdef TARGET_X86_64 |
407 | [OT_QUAD] = { | |
408 | { | |
409 | DEF_REGS(gen_op_movl_T0_, ) | |
410 | }, | |
411 | { | |
412 | DEF_REGS(gen_op_movl_T1_, ) | |
413 | }, | |
414 | }, | |
415 | #endif | |
2c0262af FB |
416 | }; |
417 | ||
14ce26e7 FB |
418 | static GenOpFunc *gen_op_movl_A0_reg[CPU_NB_REGS] = { |
419 | DEF_REGS(gen_op_movl_A0_, ) | |
2c0262af FB |
420 | }; |
421 | ||
14ce26e7 | 422 | static GenOpFunc *gen_op_addl_A0_reg_sN[4][CPU_NB_REGS] = { |
2c0262af | 423 | [0] = { |
14ce26e7 | 424 | DEF_REGS(gen_op_addl_A0_, ) |
2c0262af FB |
425 | }, |
426 | [1] = { | |
14ce26e7 | 427 | DEF_REGS(gen_op_addl_A0_, _s1) |
2c0262af FB |
428 | }, |
429 | [2] = { | |
14ce26e7 | 430 | DEF_REGS(gen_op_addl_A0_, _s2) |
2c0262af FB |
431 | }, |
432 | [3] = { | |
14ce26e7 | 433 | DEF_REGS(gen_op_addl_A0_, _s3) |
2c0262af FB |
434 | }, |
435 | }; | |
436 | ||
14ce26e7 FB |
437 | #ifdef TARGET_X86_64 |
438 | static GenOpFunc *gen_op_movq_A0_reg[CPU_NB_REGS] = { | |
439 | DEF_REGS(gen_op_movq_A0_, ) | |
440 | }; | |
441 | ||
442 | static GenOpFunc *gen_op_addq_A0_reg_sN[4][CPU_NB_REGS] = { | |
2c0262af | 443 | [0] = { |
14ce26e7 | 444 | DEF_REGS(gen_op_addq_A0_, ) |
2c0262af FB |
445 | }, |
446 | [1] = { | |
14ce26e7 FB |
447 | DEF_REGS(gen_op_addq_A0_, _s1) |
448 | }, | |
449 | [2] = { | |
450 | DEF_REGS(gen_op_addq_A0_, _s2) | |
451 | }, | |
452 | [3] = { | |
453 | DEF_REGS(gen_op_addq_A0_, _s3) | |
2c0262af FB |
454 | }, |
455 | }; | |
14ce26e7 FB |
456 | #endif |
457 | ||
458 | static GenOpFunc *gen_op_cmov_reg_T1_T0[NB_OP_SIZES - 1][CPU_NB_REGS] = { | |
459 | [0] = { | |
460 | DEF_REGS(gen_op_cmovw_, _T1_T0) | |
461 | }, | |
462 | [1] = { | |
463 | DEF_REGS(gen_op_cmovl_, _T1_T0) | |
464 | }, | |
465 | #ifdef TARGET_X86_64 | |
466 | [2] = { | |
467 | DEF_REGS(gen_op_cmovq_, _T1_T0) | |
468 | }, | |
469 | #endif | |
470 | }; | |
2c0262af FB |
471 | |
472 | static GenOpFunc *gen_op_arith_T0_T1_cc[8] = { | |
473 | NULL, | |
474 | gen_op_orl_T0_T1, | |
475 | NULL, | |
476 | NULL, | |
477 | gen_op_andl_T0_T1, | |
478 | NULL, | |
479 | gen_op_xorl_T0_T1, | |
480 | NULL, | |
481 | }; | |
482 | ||
4f31916f FB |
483 | #define DEF_ARITHC(SUFFIX)\ |
484 | {\ | |
485 | gen_op_adcb ## SUFFIX ## _T0_T1_cc,\ | |
486 | gen_op_sbbb ## SUFFIX ## _T0_T1_cc,\ | |
487 | },\ | |
488 | {\ | |
489 | gen_op_adcw ## SUFFIX ## _T0_T1_cc,\ | |
490 | gen_op_sbbw ## SUFFIX ## _T0_T1_cc,\ | |
491 | },\ | |
492 | {\ | |
493 | gen_op_adcl ## SUFFIX ## _T0_T1_cc,\ | |
494 | gen_op_sbbl ## SUFFIX ## _T0_T1_cc,\ | |
14ce26e7 FB |
495 | },\ |
496 | {\ | |
497 | X86_64_ONLY(gen_op_adcq ## SUFFIX ## _T0_T1_cc),\ | |
498 | X86_64_ONLY(gen_op_sbbq ## SUFFIX ## _T0_T1_cc),\ | |
2c0262af | 499 | }, |
4f31916f | 500 | |
14ce26e7 | 501 | static GenOpFunc *gen_op_arithc_T0_T1_cc[4][2] = { |
4bb2fcc7 | 502 | DEF_ARITHC( ) |
2c0262af FB |
503 | }; |
504 | ||
14ce26e7 | 505 | static GenOpFunc *gen_op_arithc_mem_T0_T1_cc[3 * 4][2] = { |
4f31916f FB |
506 | DEF_ARITHC(_raw) |
507 | #ifndef CONFIG_USER_ONLY | |
508 | DEF_ARITHC(_kernel) | |
509 | DEF_ARITHC(_user) | |
510 | #endif | |
2c0262af FB |
511 | }; |
512 | ||
513 | static const int cc_op_arithb[8] = { | |
514 | CC_OP_ADDB, | |
515 | CC_OP_LOGICB, | |
516 | CC_OP_ADDB, | |
517 | CC_OP_SUBB, | |
518 | CC_OP_LOGICB, | |
519 | CC_OP_SUBB, | |
520 | CC_OP_LOGICB, | |
521 | CC_OP_SUBB, | |
522 | }; | |
523 | ||
4f31916f FB |
524 | #define DEF_CMPXCHG(SUFFIX)\ |
525 | gen_op_cmpxchgb ## SUFFIX ## _T0_T1_EAX_cc,\ | |
526 | gen_op_cmpxchgw ## SUFFIX ## _T0_T1_EAX_cc,\ | |
14ce26e7 FB |
527 | gen_op_cmpxchgl ## SUFFIX ## _T0_T1_EAX_cc,\ |
528 | X86_64_ONLY(gen_op_cmpxchgq ## SUFFIX ## _T0_T1_EAX_cc), | |
4f31916f | 529 | |
14ce26e7 | 530 | static GenOpFunc *gen_op_cmpxchg_T0_T1_EAX_cc[4] = { |
4bb2fcc7 | 531 | DEF_CMPXCHG( ) |
2c0262af FB |
532 | }; |
533 | ||
14ce26e7 | 534 | static GenOpFunc *gen_op_cmpxchg_mem_T0_T1_EAX_cc[3 * 4] = { |
4f31916f FB |
535 | DEF_CMPXCHG(_raw) |
536 | #ifndef CONFIG_USER_ONLY | |
537 | DEF_CMPXCHG(_kernel) | |
538 | DEF_CMPXCHG(_user) | |
539 | #endif | |
2c0262af FB |
540 | }; |
541 | ||
4f31916f FB |
542 | #define DEF_SHIFT(SUFFIX)\ |
543 | {\ | |
544 | gen_op_rolb ## SUFFIX ## _T0_T1_cc,\ | |
545 | gen_op_rorb ## SUFFIX ## _T0_T1_cc,\ | |
546 | gen_op_rclb ## SUFFIX ## _T0_T1_cc,\ | |
547 | gen_op_rcrb ## SUFFIX ## _T0_T1_cc,\ | |
548 | gen_op_shlb ## SUFFIX ## _T0_T1_cc,\ | |
549 | gen_op_shrb ## SUFFIX ## _T0_T1_cc,\ | |
550 | gen_op_shlb ## SUFFIX ## _T0_T1_cc,\ | |
551 | gen_op_sarb ## SUFFIX ## _T0_T1_cc,\ | |
552 | },\ | |
553 | {\ | |
554 | gen_op_rolw ## SUFFIX ## _T0_T1_cc,\ | |
555 | gen_op_rorw ## SUFFIX ## _T0_T1_cc,\ | |
556 | gen_op_rclw ## SUFFIX ## _T0_T1_cc,\ | |
557 | gen_op_rcrw ## SUFFIX ## _T0_T1_cc,\ | |
558 | gen_op_shlw ## SUFFIX ## _T0_T1_cc,\ | |
559 | gen_op_shrw ## SUFFIX ## _T0_T1_cc,\ | |
560 | gen_op_shlw ## SUFFIX ## _T0_T1_cc,\ | |
561 | gen_op_sarw ## SUFFIX ## _T0_T1_cc,\ | |
562 | },\ | |
563 | {\ | |
564 | gen_op_roll ## SUFFIX ## _T0_T1_cc,\ | |
565 | gen_op_rorl ## SUFFIX ## _T0_T1_cc,\ | |
566 | gen_op_rcll ## SUFFIX ## _T0_T1_cc,\ | |
567 | gen_op_rcrl ## SUFFIX ## _T0_T1_cc,\ | |
568 | gen_op_shll ## SUFFIX ## _T0_T1_cc,\ | |
569 | gen_op_shrl ## SUFFIX ## _T0_T1_cc,\ | |
570 | gen_op_shll ## SUFFIX ## _T0_T1_cc,\ | |
571 | gen_op_sarl ## SUFFIX ## _T0_T1_cc,\ | |
14ce26e7 FB |
572 | },\ |
573 | {\ | |
574 | X86_64_ONLY(gen_op_rolq ## SUFFIX ## _T0_T1_cc),\ | |
575 | X86_64_ONLY(gen_op_rorq ## SUFFIX ## _T0_T1_cc),\ | |
576 | X86_64_ONLY(gen_op_rclq ## SUFFIX ## _T0_T1_cc),\ | |
577 | X86_64_ONLY(gen_op_rcrq ## SUFFIX ## _T0_T1_cc),\ | |
578 | X86_64_ONLY(gen_op_shlq ## SUFFIX ## _T0_T1_cc),\ | |
579 | X86_64_ONLY(gen_op_shrq ## SUFFIX ## _T0_T1_cc),\ | |
580 | X86_64_ONLY(gen_op_shlq ## SUFFIX ## _T0_T1_cc),\ | |
581 | X86_64_ONLY(gen_op_sarq ## SUFFIX ## _T0_T1_cc),\ | |
2c0262af | 582 | }, |
4f31916f | 583 | |
14ce26e7 | 584 | static GenOpFunc *gen_op_shift_T0_T1_cc[4][8] = { |
4bb2fcc7 | 585 | DEF_SHIFT( ) |
2c0262af FB |
586 | }; |
587 | ||
14ce26e7 | 588 | static GenOpFunc *gen_op_shift_mem_T0_T1_cc[3 * 4][8] = { |
4f31916f FB |
589 | DEF_SHIFT(_raw) |
590 | #ifndef CONFIG_USER_ONLY | |
591 | DEF_SHIFT(_kernel) | |
592 | DEF_SHIFT(_user) | |
593 | #endif | |
2c0262af FB |
594 | }; |
595 | ||
4f31916f FB |
596 | #define DEF_SHIFTD(SUFFIX, op)\ |
597 | {\ | |
598 | NULL,\ | |
599 | NULL,\ | |
600 | },\ | |
601 | {\ | |
602 | gen_op_shldw ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
603 | gen_op_shrdw ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
31313213 | 604 | },\ |
4f31916f FB |
605 | {\ |
606 | gen_op_shldl ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
607 | gen_op_shrdl ## SUFFIX ## _T0_T1_ ## op ## _cc,\ | |
14ce26e7 FB |
608 | },\ |
609 | {\ | |
31313213 FB |
610 | X86_64_DEF(gen_op_shldq ## SUFFIX ## _T0_T1_ ## op ## _cc,\ |
611 | gen_op_shrdq ## SUFFIX ## _T0_T1_ ## op ## _cc,)\ | |
2c0262af | 612 | }, |
4f31916f | 613 | |
14ce26e7 | 614 | static GenOpFunc1 *gen_op_shiftd_T0_T1_im_cc[4][2] = { |
4f31916f | 615 | DEF_SHIFTD(, im) |
2c0262af FB |
616 | }; |
617 | ||
14ce26e7 | 618 | static GenOpFunc *gen_op_shiftd_T0_T1_ECX_cc[4][2] = { |
4f31916f | 619 | DEF_SHIFTD(, ECX) |
2c0262af FB |
620 | }; |
621 | ||
14ce26e7 | 622 | static GenOpFunc1 *gen_op_shiftd_mem_T0_T1_im_cc[3 * 4][2] = { |
4f31916f FB |
623 | DEF_SHIFTD(_raw, im) |
624 | #ifndef CONFIG_USER_ONLY | |
625 | DEF_SHIFTD(_kernel, im) | |
626 | DEF_SHIFTD(_user, im) | |
627 | #endif | |
2c0262af FB |
628 | }; |
629 | ||
14ce26e7 | 630 | static GenOpFunc *gen_op_shiftd_mem_T0_T1_ECX_cc[3 * 4][2] = { |
4f31916f FB |
631 | DEF_SHIFTD(_raw, ECX) |
632 | #ifndef CONFIG_USER_ONLY | |
633 | DEF_SHIFTD(_kernel, ECX) | |
634 | DEF_SHIFTD(_user, ECX) | |
635 | #endif | |
2c0262af FB |
636 | }; |
637 | ||
14ce26e7 | 638 | static GenOpFunc *gen_op_btx_T0_T1_cc[3][4] = { |
2c0262af FB |
639 | [0] = { |
640 | gen_op_btw_T0_T1_cc, | |
641 | gen_op_btsw_T0_T1_cc, | |
642 | gen_op_btrw_T0_T1_cc, | |
643 | gen_op_btcw_T0_T1_cc, | |
644 | }, | |
645 | [1] = { | |
646 | gen_op_btl_T0_T1_cc, | |
647 | gen_op_btsl_T0_T1_cc, | |
648 | gen_op_btrl_T0_T1_cc, | |
649 | gen_op_btcl_T0_T1_cc, | |
650 | }, | |
14ce26e7 FB |
651 | #ifdef TARGET_X86_64 |
652 | [2] = { | |
653 | gen_op_btq_T0_T1_cc, | |
654 | gen_op_btsq_T0_T1_cc, | |
655 | gen_op_btrq_T0_T1_cc, | |
656 | gen_op_btcq_T0_T1_cc, | |
657 | }, | |
658 | #endif | |
659 | }; | |
660 | ||
661 | static GenOpFunc *gen_op_add_bit_A0_T1[3] = { | |
662 | gen_op_add_bitw_A0_T1, | |
663 | gen_op_add_bitl_A0_T1, | |
664 | X86_64_ONLY(gen_op_add_bitq_A0_T1), | |
2c0262af FB |
665 | }; |
666 | ||
14ce26e7 | 667 | static GenOpFunc *gen_op_bsx_T0_cc[3][2] = { |
2c0262af FB |
668 | [0] = { |
669 | gen_op_bsfw_T0_cc, | |
670 | gen_op_bsrw_T0_cc, | |
671 | }, | |
672 | [1] = { | |
673 | gen_op_bsfl_T0_cc, | |
674 | gen_op_bsrl_T0_cc, | |
675 | }, | |
14ce26e7 FB |
676 | #ifdef TARGET_X86_64 |
677 | [2] = { | |
678 | gen_op_bsfq_T0_cc, | |
679 | gen_op_bsrq_T0_cc, | |
680 | }, | |
681 | #endif | |
2c0262af FB |
682 | }; |
683 | ||
14ce26e7 | 684 | static GenOpFunc *gen_op_lds_T0_A0[3 * 4] = { |
61382a50 FB |
685 | gen_op_ldsb_raw_T0_A0, |
686 | gen_op_ldsw_raw_T0_A0, | |
14ce26e7 | 687 | X86_64_ONLY(gen_op_ldsl_raw_T0_A0), |
2c0262af | 688 | NULL, |
61382a50 | 689 | #ifndef CONFIG_USER_ONLY |
2c0262af FB |
690 | gen_op_ldsb_kernel_T0_A0, |
691 | gen_op_ldsw_kernel_T0_A0, | |
14ce26e7 | 692 | X86_64_ONLY(gen_op_ldsl_kernel_T0_A0), |
2c0262af FB |
693 | NULL, |
694 | ||
695 | gen_op_ldsb_user_T0_A0, | |
696 | gen_op_ldsw_user_T0_A0, | |
14ce26e7 | 697 | X86_64_ONLY(gen_op_ldsl_user_T0_A0), |
2c0262af | 698 | NULL, |
61382a50 | 699 | #endif |
2c0262af FB |
700 | }; |
701 | ||
14ce26e7 | 702 | static GenOpFunc *gen_op_ldu_T0_A0[3 * 4] = { |
61382a50 FB |
703 | gen_op_ldub_raw_T0_A0, |
704 | gen_op_lduw_raw_T0_A0, | |
2c0262af | 705 | NULL, |
14ce26e7 | 706 | NULL, |
2c0262af | 707 | |
61382a50 | 708 | #ifndef CONFIG_USER_ONLY |
2c0262af FB |
709 | gen_op_ldub_kernel_T0_A0, |
710 | gen_op_lduw_kernel_T0_A0, | |
711 | NULL, | |
14ce26e7 | 712 | NULL, |
2c0262af FB |
713 | |
714 | gen_op_ldub_user_T0_A0, | |
715 | gen_op_lduw_user_T0_A0, | |
716 | NULL, | |
14ce26e7 | 717 | NULL, |
61382a50 | 718 | #endif |
2c0262af FB |
719 | }; |
720 | ||
721 | /* sign does not matter, except for lidt/lgdt call (TODO: fix it) */ | |
14ce26e7 | 722 | static GenOpFunc *gen_op_ld_T0_A0[3 * 4] = { |
61382a50 FB |
723 | gen_op_ldub_raw_T0_A0, |
724 | gen_op_lduw_raw_T0_A0, | |
725 | gen_op_ldl_raw_T0_A0, | |
14ce26e7 | 726 | X86_64_ONLY(gen_op_ldq_raw_T0_A0), |
2c0262af | 727 | |
61382a50 | 728 | #ifndef CONFIG_USER_ONLY |
2c0262af FB |
729 | gen_op_ldub_kernel_T0_A0, |
730 | gen_op_lduw_kernel_T0_A0, | |
731 | gen_op_ldl_kernel_T0_A0, | |
14ce26e7 | 732 | X86_64_ONLY(gen_op_ldq_kernel_T0_A0), |
2c0262af FB |
733 | |
734 | gen_op_ldub_user_T0_A0, | |
735 | gen_op_lduw_user_T0_A0, | |
736 | gen_op_ldl_user_T0_A0, | |
14ce26e7 | 737 | X86_64_ONLY(gen_op_ldq_user_T0_A0), |
61382a50 | 738 | #endif |
2c0262af FB |
739 | }; |
740 | ||
14ce26e7 | 741 | static GenOpFunc *gen_op_ld_T1_A0[3 * 4] = { |
61382a50 FB |
742 | gen_op_ldub_raw_T1_A0, |
743 | gen_op_lduw_raw_T1_A0, | |
744 | gen_op_ldl_raw_T1_A0, | |
14ce26e7 | 745 | X86_64_ONLY(gen_op_ldq_raw_T1_A0), |
2c0262af | 746 | |
61382a50 | 747 | #ifndef CONFIG_USER_ONLY |
2c0262af FB |
748 | gen_op_ldub_kernel_T1_A0, |
749 | gen_op_lduw_kernel_T1_A0, | |
750 | gen_op_ldl_kernel_T1_A0, | |
14ce26e7 | 751 | X86_64_ONLY(gen_op_ldq_kernel_T1_A0), |
2c0262af FB |
752 | |
753 | gen_op_ldub_user_T1_A0, | |
754 | gen_op_lduw_user_T1_A0, | |
755 | gen_op_ldl_user_T1_A0, | |
14ce26e7 | 756 | X86_64_ONLY(gen_op_ldq_user_T1_A0), |
61382a50 | 757 | #endif |
2c0262af FB |
758 | }; |
759 | ||
14ce26e7 | 760 | static GenOpFunc *gen_op_st_T0_A0[3 * 4] = { |
61382a50 FB |
761 | gen_op_stb_raw_T0_A0, |
762 | gen_op_stw_raw_T0_A0, | |
763 | gen_op_stl_raw_T0_A0, | |
14ce26e7 | 764 | X86_64_ONLY(gen_op_stq_raw_T0_A0), |
2c0262af | 765 | |
61382a50 | 766 | #ifndef CONFIG_USER_ONLY |
2c0262af FB |
767 | gen_op_stb_kernel_T0_A0, |
768 | gen_op_stw_kernel_T0_A0, | |
769 | gen_op_stl_kernel_T0_A0, | |
14ce26e7 | 770 | X86_64_ONLY(gen_op_stq_kernel_T0_A0), |
2c0262af FB |
771 | |
772 | gen_op_stb_user_T0_A0, | |
773 | gen_op_stw_user_T0_A0, | |
774 | gen_op_stl_user_T0_A0, | |
14ce26e7 | 775 | X86_64_ONLY(gen_op_stq_user_T0_A0), |
61382a50 | 776 | #endif |
2c0262af FB |
777 | }; |
778 | ||
14ce26e7 | 779 | static GenOpFunc *gen_op_st_T1_A0[3 * 4] = { |
4f31916f FB |
780 | NULL, |
781 | gen_op_stw_raw_T1_A0, | |
782 | gen_op_stl_raw_T1_A0, | |
14ce26e7 | 783 | X86_64_ONLY(gen_op_stq_raw_T1_A0), |
4f31916f FB |
784 | |
785 | #ifndef CONFIG_USER_ONLY | |
786 | NULL, | |
787 | gen_op_stw_kernel_T1_A0, | |
788 | gen_op_stl_kernel_T1_A0, | |
14ce26e7 | 789 | X86_64_ONLY(gen_op_stq_kernel_T1_A0), |
4f31916f FB |
790 | |
791 | NULL, | |
792 | gen_op_stw_user_T1_A0, | |
793 | gen_op_stl_user_T1_A0, | |
14ce26e7 | 794 | X86_64_ONLY(gen_op_stq_user_T1_A0), |
4f31916f FB |
795 | #endif |
796 | }; | |
797 | ||
14ce26e7 FB |
798 | static inline void gen_jmp_im(target_ulong pc) |
799 | { | |
800 | #ifdef TARGET_X86_64 | |
801 | if (pc == (uint32_t)pc) { | |
802 | gen_op_movl_eip_im(pc); | |
803 | } else if (pc == (int32_t)pc) { | |
804 | gen_op_movq_eip_im(pc); | |
805 | } else { | |
806 | gen_op_movq_eip_im64(pc >> 32, pc); | |
807 | } | |
808 | #else | |
809 | gen_op_movl_eip_im(pc); | |
810 | #endif | |
811 | } | |
812 | ||
2c0262af FB |
813 | static inline void gen_string_movl_A0_ESI(DisasContext *s) |
814 | { | |
815 | int override; | |
816 | ||
817 | override = s->override; | |
14ce26e7 FB |
818 | #ifdef TARGET_X86_64 |
819 | if (s->aflag == 2) { | |
820 | if (override >= 0) { | |
821 | gen_op_movq_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
822 | gen_op_addq_A0_reg_sN[0][R_ESI](); | |
823 | } else { | |
824 | gen_op_movq_A0_reg[R_ESI](); | |
825 | } | |
826 | } else | |
827 | #endif | |
2c0262af FB |
828 | if (s->aflag) { |
829 | /* 32 bit address */ | |
830 | if (s->addseg && override < 0) | |
831 | override = R_DS; | |
832 | if (override >= 0) { | |
833 | gen_op_movl_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
834 | gen_op_addl_A0_reg_sN[0][R_ESI](); | |
835 | } else { | |
836 | gen_op_movl_A0_reg[R_ESI](); | |
837 | } | |
838 | } else { | |
839 | /* 16 address, always override */ | |
840 | if (override < 0) | |
841 | override = R_DS; | |
842 | gen_op_movl_A0_reg[R_ESI](); | |
843 | gen_op_andl_A0_ffff(); | |
844 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
845 | } | |
846 | } | |
847 | ||
848 | static inline void gen_string_movl_A0_EDI(DisasContext *s) | |
849 | { | |
14ce26e7 FB |
850 | #ifdef TARGET_X86_64 |
851 | if (s->aflag == 2) { | |
852 | gen_op_movq_A0_reg[R_EDI](); | |
853 | } else | |
854 | #endif | |
2c0262af FB |
855 | if (s->aflag) { |
856 | if (s->addseg) { | |
857 | gen_op_movl_A0_seg(offsetof(CPUX86State,segs[R_ES].base)); | |
858 | gen_op_addl_A0_reg_sN[0][R_EDI](); | |
859 | } else { | |
860 | gen_op_movl_A0_reg[R_EDI](); | |
861 | } | |
862 | } else { | |
863 | gen_op_movl_A0_reg[R_EDI](); | |
864 | gen_op_andl_A0_ffff(); | |
865 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_ES].base)); | |
866 | } | |
867 | } | |
868 | ||
14ce26e7 | 869 | static GenOpFunc *gen_op_movl_T0_Dshift[4] = { |
2c0262af FB |
870 | gen_op_movl_T0_Dshiftb, |
871 | gen_op_movl_T0_Dshiftw, | |
872 | gen_op_movl_T0_Dshiftl, | |
14ce26e7 | 873 | X86_64_ONLY(gen_op_movl_T0_Dshiftq), |
2c0262af FB |
874 | }; |
875 | ||
14ce26e7 FB |
876 | static GenOpFunc1 *gen_op_jnz_ecx[3] = { |
877 | gen_op_jnz_ecxw, | |
878 | gen_op_jnz_ecxl, | |
879 | X86_64_ONLY(gen_op_jnz_ecxq), | |
2c0262af FB |
880 | }; |
881 | ||
14ce26e7 FB |
882 | static GenOpFunc1 *gen_op_jz_ecx[3] = { |
883 | gen_op_jz_ecxw, | |
884 | gen_op_jz_ecxl, | |
885 | X86_64_ONLY(gen_op_jz_ecxq), | |
2c0262af FB |
886 | }; |
887 | ||
14ce26e7 | 888 | static GenOpFunc *gen_op_dec_ECX[3] = { |
2c0262af FB |
889 | gen_op_decw_ECX, |
890 | gen_op_decl_ECX, | |
14ce26e7 | 891 | X86_64_ONLY(gen_op_decq_ECX), |
2c0262af FB |
892 | }; |
893 | ||
14ce26e7 | 894 | static GenOpFunc1 *gen_op_string_jnz_sub[2][4] = { |
2c0262af | 895 | { |
14ce26e7 FB |
896 | gen_op_jnz_subb, |
897 | gen_op_jnz_subw, | |
898 | gen_op_jnz_subl, | |
899 | X86_64_ONLY(gen_op_jnz_subq), | |
2c0262af FB |
900 | }, |
901 | { | |
14ce26e7 FB |
902 | gen_op_jz_subb, |
903 | gen_op_jz_subw, | |
904 | gen_op_jz_subl, | |
905 | X86_64_ONLY(gen_op_jz_subq), | |
2c0262af FB |
906 | }, |
907 | }; | |
908 | ||
909 | static GenOpFunc *gen_op_in_DX_T0[3] = { | |
910 | gen_op_inb_DX_T0, | |
911 | gen_op_inw_DX_T0, | |
912 | gen_op_inl_DX_T0, | |
913 | }; | |
914 | ||
915 | static GenOpFunc *gen_op_out_DX_T0[3] = { | |
916 | gen_op_outb_DX_T0, | |
917 | gen_op_outw_DX_T0, | |
918 | gen_op_outl_DX_T0, | |
919 | }; | |
920 | ||
f115e911 FB |
921 | static GenOpFunc *gen_op_in[3] = { |
922 | gen_op_inb_T0_T1, | |
923 | gen_op_inw_T0_T1, | |
924 | gen_op_inl_T0_T1, | |
925 | }; | |
926 | ||
927 | static GenOpFunc *gen_op_out[3] = { | |
928 | gen_op_outb_T0_T1, | |
929 | gen_op_outw_T0_T1, | |
930 | gen_op_outl_T0_T1, | |
931 | }; | |
932 | ||
933 | static GenOpFunc *gen_check_io_T0[3] = { | |
934 | gen_op_check_iob_T0, | |
935 | gen_op_check_iow_T0, | |
936 | gen_op_check_iol_T0, | |
937 | }; | |
938 | ||
939 | static GenOpFunc *gen_check_io_DX[3] = { | |
940 | gen_op_check_iob_DX, | |
941 | gen_op_check_iow_DX, | |
942 | gen_op_check_iol_DX, | |
943 | }; | |
944 | ||
14ce26e7 | 945 | static void gen_check_io(DisasContext *s, int ot, int use_dx, target_ulong cur_eip) |
f115e911 FB |
946 | { |
947 | if (s->pe && (s->cpl > s->iopl || s->vm86)) { | |
948 | if (s->cc_op != CC_OP_DYNAMIC) | |
949 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 950 | gen_jmp_im(cur_eip); |
f115e911 FB |
951 | if (use_dx) |
952 | gen_check_io_DX[ot](); | |
953 | else | |
954 | gen_check_io_T0[ot](); | |
955 | } | |
956 | } | |
957 | ||
2c0262af FB |
958 | static inline void gen_movs(DisasContext *s, int ot) |
959 | { | |
960 | gen_string_movl_A0_ESI(s); | |
961 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
962 | gen_string_movl_A0_EDI(s); | |
963 | gen_op_st_T0_A0[ot + s->mem_index](); | |
964 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
965 | #ifdef TARGET_X86_64 |
966 | if (s->aflag == 2) { | |
967 | gen_op_addq_ESI_T0(); | |
968 | gen_op_addq_EDI_T0(); | |
969 | } else | |
970 | #endif | |
2c0262af FB |
971 | if (s->aflag) { |
972 | gen_op_addl_ESI_T0(); | |
973 | gen_op_addl_EDI_T0(); | |
974 | } else { | |
975 | gen_op_addw_ESI_T0(); | |
976 | gen_op_addw_EDI_T0(); | |
977 | } | |
978 | } | |
979 | ||
980 | static inline void gen_update_cc_op(DisasContext *s) | |
981 | { | |
982 | if (s->cc_op != CC_OP_DYNAMIC) { | |
983 | gen_op_set_cc_op(s->cc_op); | |
984 | s->cc_op = CC_OP_DYNAMIC; | |
985 | } | |
986 | } | |
987 | ||
14ce26e7 FB |
988 | /* XXX: does not work with gdbstub "ice" single step - not a |
989 | serious problem */ | |
990 | static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip) | |
2c0262af | 991 | { |
14ce26e7 FB |
992 | int l1, l2; |
993 | ||
994 | l1 = gen_new_label(); | |
995 | l2 = gen_new_label(); | |
996 | gen_op_jnz_ecx[s->aflag](l1); | |
997 | gen_set_label(l2); | |
998 | gen_jmp_tb(s, next_eip, 1); | |
999 | gen_set_label(l1); | |
1000 | return l2; | |
2c0262af FB |
1001 | } |
1002 | ||
1003 | static inline void gen_stos(DisasContext *s, int ot) | |
1004 | { | |
1005 | gen_op_mov_TN_reg[OT_LONG][0][R_EAX](); | |
1006 | gen_string_movl_A0_EDI(s); | |
1007 | gen_op_st_T0_A0[ot + s->mem_index](); | |
1008 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1009 | #ifdef TARGET_X86_64 |
1010 | if (s->aflag == 2) { | |
1011 | gen_op_addq_EDI_T0(); | |
1012 | } else | |
1013 | #endif | |
2c0262af FB |
1014 | if (s->aflag) { |
1015 | gen_op_addl_EDI_T0(); | |
1016 | } else { | |
1017 | gen_op_addw_EDI_T0(); | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | static inline void gen_lods(DisasContext *s, int ot) | |
1022 | { | |
1023 | gen_string_movl_A0_ESI(s); | |
1024 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
1025 | gen_op_mov_reg_T0[ot][R_EAX](); | |
1026 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1027 | #ifdef TARGET_X86_64 |
1028 | if (s->aflag == 2) { | |
1029 | gen_op_addq_ESI_T0(); | |
1030 | } else | |
1031 | #endif | |
2c0262af FB |
1032 | if (s->aflag) { |
1033 | gen_op_addl_ESI_T0(); | |
1034 | } else { | |
1035 | gen_op_addw_ESI_T0(); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | static inline void gen_scas(DisasContext *s, int ot) | |
1040 | { | |
1041 | gen_op_mov_TN_reg[OT_LONG][0][R_EAX](); | |
1042 | gen_string_movl_A0_EDI(s); | |
1043 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
1044 | gen_op_cmpl_T0_T1_cc(); | |
1045 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1046 | #ifdef TARGET_X86_64 |
1047 | if (s->aflag == 2) { | |
1048 | gen_op_addq_EDI_T0(); | |
1049 | } else | |
1050 | #endif | |
2c0262af FB |
1051 | if (s->aflag) { |
1052 | gen_op_addl_EDI_T0(); | |
1053 | } else { | |
1054 | gen_op_addw_EDI_T0(); | |
1055 | } | |
1056 | } | |
1057 | ||
1058 | static inline void gen_cmps(DisasContext *s, int ot) | |
1059 | { | |
1060 | gen_string_movl_A0_ESI(s); | |
1061 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
1062 | gen_string_movl_A0_EDI(s); | |
1063 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
1064 | gen_op_cmpl_T0_T1_cc(); | |
1065 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1066 | #ifdef TARGET_X86_64 |
1067 | if (s->aflag == 2) { | |
1068 | gen_op_addq_ESI_T0(); | |
1069 | gen_op_addq_EDI_T0(); | |
1070 | } else | |
1071 | #endif | |
2c0262af FB |
1072 | if (s->aflag) { |
1073 | gen_op_addl_ESI_T0(); | |
1074 | gen_op_addl_EDI_T0(); | |
1075 | } else { | |
1076 | gen_op_addw_ESI_T0(); | |
1077 | gen_op_addw_EDI_T0(); | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | static inline void gen_ins(DisasContext *s, int ot) | |
1082 | { | |
2c0262af | 1083 | gen_string_movl_A0_EDI(s); |
9772c73b FB |
1084 | gen_op_movl_T0_0(); |
1085 | gen_op_st_T0_A0[ot + s->mem_index](); | |
1086 | gen_op_in_DX_T0[ot](); | |
2c0262af FB |
1087 | gen_op_st_T0_A0[ot + s->mem_index](); |
1088 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1089 | #ifdef TARGET_X86_64 |
1090 | if (s->aflag == 2) { | |
1091 | gen_op_addq_EDI_T0(); | |
1092 | } else | |
1093 | #endif | |
2c0262af FB |
1094 | if (s->aflag) { |
1095 | gen_op_addl_EDI_T0(); | |
1096 | } else { | |
1097 | gen_op_addw_EDI_T0(); | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | static inline void gen_outs(DisasContext *s, int ot) | |
1102 | { | |
1103 | gen_string_movl_A0_ESI(s); | |
1104 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
1105 | gen_op_out_DX_T0[ot](); | |
1106 | gen_op_movl_T0_Dshift[ot](); | |
14ce26e7 FB |
1107 | #ifdef TARGET_X86_64 |
1108 | if (s->aflag == 2) { | |
1109 | gen_op_addq_ESI_T0(); | |
1110 | } else | |
1111 | #endif | |
2c0262af FB |
1112 | if (s->aflag) { |
1113 | gen_op_addl_ESI_T0(); | |
1114 | } else { | |
1115 | gen_op_addw_ESI_T0(); | |
1116 | } | |
1117 | } | |
1118 | ||
1119 | /* same method as Valgrind : we generate jumps to current or next | |
1120 | instruction */ | |
1121 | #define GEN_REPZ(op) \ | |
1122 | static inline void gen_repz_ ## op(DisasContext *s, int ot, \ | |
14ce26e7 | 1123 | target_ulong cur_eip, target_ulong next_eip) \ |
2c0262af | 1124 | { \ |
14ce26e7 | 1125 | int l2;\ |
2c0262af | 1126 | gen_update_cc_op(s); \ |
14ce26e7 | 1127 | l2 = gen_jz_ecx_string(s, next_eip); \ |
2c0262af FB |
1128 | gen_ ## op(s, ot); \ |
1129 | gen_op_dec_ECX[s->aflag](); \ | |
1130 | /* a loop would cause two single step exceptions if ECX = 1 \ | |
1131 | before rep string_insn */ \ | |
1132 | if (!s->jmp_opt) \ | |
14ce26e7 | 1133 | gen_op_jz_ecx[s->aflag](l2); \ |
2c0262af FB |
1134 | gen_jmp(s, cur_eip); \ |
1135 | } | |
1136 | ||
1137 | #define GEN_REPZ2(op) \ | |
1138 | static inline void gen_repz_ ## op(DisasContext *s, int ot, \ | |
14ce26e7 FB |
1139 | target_ulong cur_eip, \ |
1140 | target_ulong next_eip, \ | |
2c0262af FB |
1141 | int nz) \ |
1142 | { \ | |
14ce26e7 | 1143 | int l2;\ |
2c0262af | 1144 | gen_update_cc_op(s); \ |
14ce26e7 | 1145 | l2 = gen_jz_ecx_string(s, next_eip); \ |
2c0262af FB |
1146 | gen_ ## op(s, ot); \ |
1147 | gen_op_dec_ECX[s->aflag](); \ | |
1148 | gen_op_set_cc_op(CC_OP_SUBB + ot); \ | |
14ce26e7 | 1149 | gen_op_string_jnz_sub[nz][ot](l2);\ |
2c0262af | 1150 | if (!s->jmp_opt) \ |
14ce26e7 | 1151 | gen_op_jz_ecx[s->aflag](l2); \ |
2c0262af FB |
1152 | gen_jmp(s, cur_eip); \ |
1153 | } | |
1154 | ||
1155 | GEN_REPZ(movs) | |
1156 | GEN_REPZ(stos) | |
1157 | GEN_REPZ(lods) | |
1158 | GEN_REPZ(ins) | |
1159 | GEN_REPZ(outs) | |
1160 | GEN_REPZ2(scas) | |
1161 | GEN_REPZ2(cmps) | |
1162 | ||
2c0262af FB |
1163 | enum { |
1164 | JCC_O, | |
1165 | JCC_B, | |
1166 | JCC_Z, | |
1167 | JCC_BE, | |
1168 | JCC_S, | |
1169 | JCC_P, | |
1170 | JCC_L, | |
1171 | JCC_LE, | |
1172 | }; | |
1173 | ||
14ce26e7 | 1174 | static GenOpFunc1 *gen_jcc_sub[4][8] = { |
2c0262af FB |
1175 | [OT_BYTE] = { |
1176 | NULL, | |
1177 | gen_op_jb_subb, | |
1178 | gen_op_jz_subb, | |
1179 | gen_op_jbe_subb, | |
1180 | gen_op_js_subb, | |
1181 | NULL, | |
1182 | gen_op_jl_subb, | |
1183 | gen_op_jle_subb, | |
1184 | }, | |
1185 | [OT_WORD] = { | |
1186 | NULL, | |
1187 | gen_op_jb_subw, | |
1188 | gen_op_jz_subw, | |
1189 | gen_op_jbe_subw, | |
1190 | gen_op_js_subw, | |
1191 | NULL, | |
1192 | gen_op_jl_subw, | |
1193 | gen_op_jle_subw, | |
1194 | }, | |
1195 | [OT_LONG] = { | |
1196 | NULL, | |
1197 | gen_op_jb_subl, | |
1198 | gen_op_jz_subl, | |
1199 | gen_op_jbe_subl, | |
1200 | gen_op_js_subl, | |
1201 | NULL, | |
1202 | gen_op_jl_subl, | |
1203 | gen_op_jle_subl, | |
1204 | }, | |
14ce26e7 FB |
1205 | #ifdef TARGET_X86_64 |
1206 | [OT_QUAD] = { | |
1207 | NULL, | |
1208 | BUGGY_64(gen_op_jb_subq), | |
1209 | gen_op_jz_subq, | |
1210 | BUGGY_64(gen_op_jbe_subq), | |
1211 | gen_op_js_subq, | |
1212 | NULL, | |
1213 | BUGGY_64(gen_op_jl_subq), | |
1214 | BUGGY_64(gen_op_jle_subq), | |
1215 | }, | |
1216 | #endif | |
2c0262af | 1217 | }; |
14ce26e7 | 1218 | static GenOpFunc1 *gen_op_loop[3][4] = { |
2c0262af FB |
1219 | [0] = { |
1220 | gen_op_loopnzw, | |
1221 | gen_op_loopzw, | |
14ce26e7 | 1222 | gen_op_jnz_ecxw, |
2c0262af FB |
1223 | }, |
1224 | [1] = { | |
1225 | gen_op_loopnzl, | |
1226 | gen_op_loopzl, | |
14ce26e7 FB |
1227 | gen_op_jnz_ecxl, |
1228 | }, | |
1229 | #ifdef TARGET_X86_64 | |
1230 | [2] = { | |
1231 | gen_op_loopnzq, | |
1232 | gen_op_loopzq, | |
1233 | gen_op_jnz_ecxq, | |
2c0262af | 1234 | }, |
14ce26e7 | 1235 | #endif |
2c0262af FB |
1236 | }; |
1237 | ||
1238 | static GenOpFunc *gen_setcc_slow[8] = { | |
1239 | gen_op_seto_T0_cc, | |
1240 | gen_op_setb_T0_cc, | |
1241 | gen_op_setz_T0_cc, | |
1242 | gen_op_setbe_T0_cc, | |
1243 | gen_op_sets_T0_cc, | |
1244 | gen_op_setp_T0_cc, | |
1245 | gen_op_setl_T0_cc, | |
1246 | gen_op_setle_T0_cc, | |
1247 | }; | |
1248 | ||
14ce26e7 | 1249 | static GenOpFunc *gen_setcc_sub[4][8] = { |
2c0262af FB |
1250 | [OT_BYTE] = { |
1251 | NULL, | |
1252 | gen_op_setb_T0_subb, | |
1253 | gen_op_setz_T0_subb, | |
1254 | gen_op_setbe_T0_subb, | |
1255 | gen_op_sets_T0_subb, | |
1256 | NULL, | |
1257 | gen_op_setl_T0_subb, | |
1258 | gen_op_setle_T0_subb, | |
1259 | }, | |
1260 | [OT_WORD] = { | |
1261 | NULL, | |
1262 | gen_op_setb_T0_subw, | |
1263 | gen_op_setz_T0_subw, | |
1264 | gen_op_setbe_T0_subw, | |
1265 | gen_op_sets_T0_subw, | |
1266 | NULL, | |
1267 | gen_op_setl_T0_subw, | |
1268 | gen_op_setle_T0_subw, | |
1269 | }, | |
1270 | [OT_LONG] = { | |
1271 | NULL, | |
1272 | gen_op_setb_T0_subl, | |
1273 | gen_op_setz_T0_subl, | |
1274 | gen_op_setbe_T0_subl, | |
1275 | gen_op_sets_T0_subl, | |
1276 | NULL, | |
1277 | gen_op_setl_T0_subl, | |
1278 | gen_op_setle_T0_subl, | |
1279 | }, | |
14ce26e7 FB |
1280 | #ifdef TARGET_X86_64 |
1281 | [OT_QUAD] = { | |
1282 | NULL, | |
1283 | gen_op_setb_T0_subq, | |
1284 | gen_op_setz_T0_subq, | |
1285 | gen_op_setbe_T0_subq, | |
1286 | gen_op_sets_T0_subq, | |
1287 | NULL, | |
1288 | gen_op_setl_T0_subq, | |
1289 | gen_op_setle_T0_subq, | |
1290 | }, | |
1291 | #endif | |
2c0262af FB |
1292 | }; |
1293 | ||
1294 | static GenOpFunc *gen_op_fp_arith_ST0_FT0[8] = { | |
1295 | gen_op_fadd_ST0_FT0, | |
1296 | gen_op_fmul_ST0_FT0, | |
1297 | gen_op_fcom_ST0_FT0, | |
1298 | gen_op_fcom_ST0_FT0, | |
1299 | gen_op_fsub_ST0_FT0, | |
1300 | gen_op_fsubr_ST0_FT0, | |
1301 | gen_op_fdiv_ST0_FT0, | |
1302 | gen_op_fdivr_ST0_FT0, | |
1303 | }; | |
1304 | ||
1305 | /* NOTE the exception in "r" op ordering */ | |
1306 | static GenOpFunc1 *gen_op_fp_arith_STN_ST0[8] = { | |
1307 | gen_op_fadd_STN_ST0, | |
1308 | gen_op_fmul_STN_ST0, | |
1309 | NULL, | |
1310 | NULL, | |
1311 | gen_op_fsubr_STN_ST0, | |
1312 | gen_op_fsub_STN_ST0, | |
1313 | gen_op_fdivr_STN_ST0, | |
1314 | gen_op_fdiv_STN_ST0, | |
1315 | }; | |
1316 | ||
1317 | /* if d == OR_TMP0, it means memory operand (address in A0) */ | |
1318 | static void gen_op(DisasContext *s1, int op, int ot, int d) | |
1319 | { | |
1320 | GenOpFunc *gen_update_cc; | |
1321 | ||
1322 | if (d != OR_TMP0) { | |
1323 | gen_op_mov_TN_reg[ot][0][d](); | |
1324 | } else { | |
1325 | gen_op_ld_T0_A0[ot + s1->mem_index](); | |
1326 | } | |
1327 | switch(op) { | |
1328 | case OP_ADCL: | |
1329 | case OP_SBBL: | |
1330 | if (s1->cc_op != CC_OP_DYNAMIC) | |
1331 | gen_op_set_cc_op(s1->cc_op); | |
1332 | if (d != OR_TMP0) { | |
1333 | gen_op_arithc_T0_T1_cc[ot][op - OP_ADCL](); | |
1334 | gen_op_mov_reg_T0[ot][d](); | |
1335 | } else { | |
4f31916f | 1336 | gen_op_arithc_mem_T0_T1_cc[ot + s1->mem_index][op - OP_ADCL](); |
2c0262af FB |
1337 | } |
1338 | s1->cc_op = CC_OP_DYNAMIC; | |
1339 | goto the_end; | |
1340 | case OP_ADDL: | |
1341 | gen_op_addl_T0_T1(); | |
1342 | s1->cc_op = CC_OP_ADDB + ot; | |
1343 | gen_update_cc = gen_op_update2_cc; | |
1344 | break; | |
1345 | case OP_SUBL: | |
1346 | gen_op_subl_T0_T1(); | |
1347 | s1->cc_op = CC_OP_SUBB + ot; | |
1348 | gen_update_cc = gen_op_update2_cc; | |
1349 | break; | |
1350 | default: | |
1351 | case OP_ANDL: | |
1352 | case OP_ORL: | |
1353 | case OP_XORL: | |
1354 | gen_op_arith_T0_T1_cc[op](); | |
1355 | s1->cc_op = CC_OP_LOGICB + ot; | |
1356 | gen_update_cc = gen_op_update1_cc; | |
1357 | break; | |
1358 | case OP_CMPL: | |
1359 | gen_op_cmpl_T0_T1_cc(); | |
1360 | s1->cc_op = CC_OP_SUBB + ot; | |
1361 | gen_update_cc = NULL; | |
1362 | break; | |
1363 | } | |
1364 | if (op != OP_CMPL) { | |
1365 | if (d != OR_TMP0) | |
1366 | gen_op_mov_reg_T0[ot][d](); | |
1367 | else | |
1368 | gen_op_st_T0_A0[ot + s1->mem_index](); | |
1369 | } | |
1370 | /* the flags update must happen after the memory write (precise | |
1371 | exception support) */ | |
1372 | if (gen_update_cc) | |
1373 | gen_update_cc(); | |
1374 | the_end: ; | |
1375 | } | |
1376 | ||
1377 | /* if d == OR_TMP0, it means memory operand (address in A0) */ | |
1378 | static void gen_inc(DisasContext *s1, int ot, int d, int c) | |
1379 | { | |
1380 | if (d != OR_TMP0) | |
1381 | gen_op_mov_TN_reg[ot][0][d](); | |
1382 | else | |
1383 | gen_op_ld_T0_A0[ot + s1->mem_index](); | |
1384 | if (s1->cc_op != CC_OP_DYNAMIC) | |
1385 | gen_op_set_cc_op(s1->cc_op); | |
1386 | if (c > 0) { | |
1387 | gen_op_incl_T0(); | |
1388 | s1->cc_op = CC_OP_INCB + ot; | |
1389 | } else { | |
1390 | gen_op_decl_T0(); | |
1391 | s1->cc_op = CC_OP_DECB + ot; | |
1392 | } | |
1393 | if (d != OR_TMP0) | |
1394 | gen_op_mov_reg_T0[ot][d](); | |
1395 | else | |
1396 | gen_op_st_T0_A0[ot + s1->mem_index](); | |
1397 | gen_op_update_inc_cc(); | |
1398 | } | |
1399 | ||
1400 | static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) | |
1401 | { | |
1402 | if (d != OR_TMP0) | |
1403 | gen_op_mov_TN_reg[ot][0][d](); | |
1404 | else | |
1405 | gen_op_ld_T0_A0[ot + s1->mem_index](); | |
1406 | if (s != OR_TMP1) | |
1407 | gen_op_mov_TN_reg[ot][1][s](); | |
1408 | /* for zero counts, flags are not updated, so must do it dynamically */ | |
1409 | if (s1->cc_op != CC_OP_DYNAMIC) | |
1410 | gen_op_set_cc_op(s1->cc_op); | |
1411 | ||
1412 | if (d != OR_TMP0) | |
1413 | gen_op_shift_T0_T1_cc[ot][op](); | |
1414 | else | |
4f31916f | 1415 | gen_op_shift_mem_T0_T1_cc[ot + s1->mem_index][op](); |
2c0262af FB |
1416 | if (d != OR_TMP0) |
1417 | gen_op_mov_reg_T0[ot][d](); | |
1418 | s1->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ | |
1419 | } | |
1420 | ||
1421 | static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) | |
1422 | { | |
1423 | /* currently not optimized */ | |
1424 | gen_op_movl_T1_im(c); | |
1425 | gen_shift(s1, op, ot, d, OR_TMP1); | |
1426 | } | |
1427 | ||
1428 | static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr) | |
1429 | { | |
14ce26e7 | 1430 | target_long disp; |
2c0262af | 1431 | int havesib; |
14ce26e7 | 1432 | int base; |
2c0262af FB |
1433 | int index; |
1434 | int scale; | |
1435 | int opreg; | |
1436 | int mod, rm, code, override, must_add_seg; | |
1437 | ||
1438 | override = s->override; | |
1439 | must_add_seg = s->addseg; | |
1440 | if (override >= 0) | |
1441 | must_add_seg = 1; | |
1442 | mod = (modrm >> 6) & 3; | |
1443 | rm = modrm & 7; | |
1444 | ||
1445 | if (s->aflag) { | |
1446 | ||
1447 | havesib = 0; | |
1448 | base = rm; | |
1449 | index = 0; | |
1450 | scale = 0; | |
1451 | ||
1452 | if (base == 4) { | |
1453 | havesib = 1; | |
61382a50 | 1454 | code = ldub_code(s->pc++); |
2c0262af | 1455 | scale = (code >> 6) & 3; |
14ce26e7 FB |
1456 | index = ((code >> 3) & 7) | REX_X(s); |
1457 | base = (code & 7); | |
2c0262af | 1458 | } |
14ce26e7 | 1459 | base |= REX_B(s); |
2c0262af FB |
1460 | |
1461 | switch (mod) { | |
1462 | case 0: | |
14ce26e7 | 1463 | if ((base & 7) == 5) { |
2c0262af | 1464 | base = -1; |
14ce26e7 | 1465 | disp = (int32_t)ldl_code(s->pc); |
2c0262af | 1466 | s->pc += 4; |
14ce26e7 FB |
1467 | if (CODE64(s) && !havesib) { |
1468 | disp += s->pc + s->rip_offset; | |
1469 | } | |
2c0262af FB |
1470 | } else { |
1471 | disp = 0; | |
1472 | } | |
1473 | break; | |
1474 | case 1: | |
61382a50 | 1475 | disp = (int8_t)ldub_code(s->pc++); |
2c0262af FB |
1476 | break; |
1477 | default: | |
1478 | case 2: | |
61382a50 | 1479 | disp = ldl_code(s->pc); |
2c0262af FB |
1480 | s->pc += 4; |
1481 | break; | |
1482 | } | |
1483 | ||
1484 | if (base >= 0) { | |
1485 | /* for correct popl handling with esp */ | |
1486 | if (base == 4 && s->popl_esp_hack) | |
1487 | disp += s->popl_esp_hack; | |
14ce26e7 FB |
1488 | #ifdef TARGET_X86_64 |
1489 | if (s->aflag == 2) { | |
1490 | gen_op_movq_A0_reg[base](); | |
1491 | if (disp != 0) { | |
1492 | if ((int32_t)disp == disp) | |
1493 | gen_op_addq_A0_im(disp); | |
1494 | else | |
1495 | gen_op_addq_A0_im64(disp >> 32, disp); | |
1496 | } | |
1497 | } else | |
1498 | #endif | |
1499 | { | |
1500 | gen_op_movl_A0_reg[base](); | |
1501 | if (disp != 0) | |
1502 | gen_op_addl_A0_im(disp); | |
1503 | } | |
2c0262af | 1504 | } else { |
14ce26e7 FB |
1505 | #ifdef TARGET_X86_64 |
1506 | if (s->aflag == 2) { | |
1507 | if ((int32_t)disp == disp) | |
1508 | gen_op_movq_A0_im(disp); | |
1509 | else | |
1510 | gen_op_movq_A0_im64(disp >> 32, disp); | |
1511 | } else | |
1512 | #endif | |
1513 | { | |
1514 | gen_op_movl_A0_im(disp); | |
1515 | } | |
2c0262af FB |
1516 | } |
1517 | /* XXX: index == 4 is always invalid */ | |
1518 | if (havesib && (index != 4 || scale != 0)) { | |
14ce26e7 FB |
1519 | #ifdef TARGET_X86_64 |
1520 | if (s->aflag == 2) { | |
1521 | gen_op_addq_A0_reg_sN[scale][index](); | |
1522 | } else | |
1523 | #endif | |
1524 | { | |
1525 | gen_op_addl_A0_reg_sN[scale][index](); | |
1526 | } | |
2c0262af FB |
1527 | } |
1528 | if (must_add_seg) { | |
1529 | if (override < 0) { | |
1530 | if (base == R_EBP || base == R_ESP) | |
1531 | override = R_SS; | |
1532 | else | |
1533 | override = R_DS; | |
1534 | } | |
14ce26e7 FB |
1535 | #ifdef TARGET_X86_64 |
1536 | if (s->aflag == 2) { | |
1537 | gen_op_addq_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
1538 | } else | |
1539 | #endif | |
1540 | { | |
1541 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
1542 | } | |
2c0262af FB |
1543 | } |
1544 | } else { | |
1545 | switch (mod) { | |
1546 | case 0: | |
1547 | if (rm == 6) { | |
61382a50 | 1548 | disp = lduw_code(s->pc); |
2c0262af FB |
1549 | s->pc += 2; |
1550 | gen_op_movl_A0_im(disp); | |
1551 | rm = 0; /* avoid SS override */ | |
1552 | goto no_rm; | |
1553 | } else { | |
1554 | disp = 0; | |
1555 | } | |
1556 | break; | |
1557 | case 1: | |
61382a50 | 1558 | disp = (int8_t)ldub_code(s->pc++); |
2c0262af FB |
1559 | break; |
1560 | default: | |
1561 | case 2: | |
61382a50 | 1562 | disp = lduw_code(s->pc); |
2c0262af FB |
1563 | s->pc += 2; |
1564 | break; | |
1565 | } | |
1566 | switch(rm) { | |
1567 | case 0: | |
1568 | gen_op_movl_A0_reg[R_EBX](); | |
1569 | gen_op_addl_A0_reg_sN[0][R_ESI](); | |
1570 | break; | |
1571 | case 1: | |
1572 | gen_op_movl_A0_reg[R_EBX](); | |
1573 | gen_op_addl_A0_reg_sN[0][R_EDI](); | |
1574 | break; | |
1575 | case 2: | |
1576 | gen_op_movl_A0_reg[R_EBP](); | |
1577 | gen_op_addl_A0_reg_sN[0][R_ESI](); | |
1578 | break; | |
1579 | case 3: | |
1580 | gen_op_movl_A0_reg[R_EBP](); | |
1581 | gen_op_addl_A0_reg_sN[0][R_EDI](); | |
1582 | break; | |
1583 | case 4: | |
1584 | gen_op_movl_A0_reg[R_ESI](); | |
1585 | break; | |
1586 | case 5: | |
1587 | gen_op_movl_A0_reg[R_EDI](); | |
1588 | break; | |
1589 | case 6: | |
1590 | gen_op_movl_A0_reg[R_EBP](); | |
1591 | break; | |
1592 | default: | |
1593 | case 7: | |
1594 | gen_op_movl_A0_reg[R_EBX](); | |
1595 | break; | |
1596 | } | |
1597 | if (disp != 0) | |
1598 | gen_op_addl_A0_im(disp); | |
1599 | gen_op_andl_A0_ffff(); | |
1600 | no_rm: | |
1601 | if (must_add_seg) { | |
1602 | if (override < 0) { | |
1603 | if (rm == 2 || rm == 3 || rm == 6) | |
1604 | override = R_SS; | |
1605 | else | |
1606 | override = R_DS; | |
1607 | } | |
1608 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
1609 | } | |
1610 | } | |
1611 | ||
1612 | opreg = OR_A0; | |
1613 | disp = 0; | |
1614 | *reg_ptr = opreg; | |
1615 | *offset_ptr = disp; | |
1616 | } | |
1617 | ||
e17a36ce FB |
1618 | static void gen_nop_modrm(DisasContext *s, int modrm) |
1619 | { | |
1620 | int mod, rm, base, code; | |
1621 | ||
1622 | mod = (modrm >> 6) & 3; | |
1623 | if (mod == 3) | |
1624 | return; | |
1625 | rm = modrm & 7; | |
1626 | ||
1627 | if (s->aflag) { | |
1628 | ||
1629 | base = rm; | |
1630 | ||
1631 | if (base == 4) { | |
1632 | code = ldub_code(s->pc++); | |
1633 | base = (code & 7); | |
1634 | } | |
1635 | ||
1636 | switch (mod) { | |
1637 | case 0: | |
1638 | if (base == 5) { | |
1639 | s->pc += 4; | |
1640 | } | |
1641 | break; | |
1642 | case 1: | |
1643 | s->pc++; | |
1644 | break; | |
1645 | default: | |
1646 | case 2: | |
1647 | s->pc += 4; | |
1648 | break; | |
1649 | } | |
1650 | } else { | |
1651 | switch (mod) { | |
1652 | case 0: | |
1653 | if (rm == 6) { | |
1654 | s->pc += 2; | |
1655 | } | |
1656 | break; | |
1657 | case 1: | |
1658 | s->pc++; | |
1659 | break; | |
1660 | default: | |
1661 | case 2: | |
1662 | s->pc += 2; | |
1663 | break; | |
1664 | } | |
1665 | } | |
1666 | } | |
1667 | ||
664e0f19 FB |
1668 | /* used for LEA and MOV AX, mem */ |
1669 | static void gen_add_A0_ds_seg(DisasContext *s) | |
1670 | { | |
1671 | int override, must_add_seg; | |
1672 | must_add_seg = s->addseg; | |
1673 | override = R_DS; | |
1674 | if (s->override >= 0) { | |
1675 | override = s->override; | |
1676 | must_add_seg = 1; | |
1677 | } else { | |
1678 | override = R_DS; | |
1679 | } | |
1680 | if (must_add_seg) { | |
8f091a59 FB |
1681 | #ifdef TARGET_X86_64 |
1682 | if (CODE64(s)) { | |
1683 | gen_op_addq_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
1684 | } else | |
1685 | #endif | |
1686 | { | |
1687 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); | |
1688 | } | |
664e0f19 FB |
1689 | } |
1690 | } | |
1691 | ||
2c0262af FB |
1692 | /* generate modrm memory load or store of 'reg'. TMP0 is used if reg != |
1693 | OR_TMP0 */ | |
1694 | static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store) | |
1695 | { | |
1696 | int mod, rm, opreg, disp; | |
1697 | ||
1698 | mod = (modrm >> 6) & 3; | |
14ce26e7 | 1699 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
1700 | if (mod == 3) { |
1701 | if (is_store) { | |
1702 | if (reg != OR_TMP0) | |
1703 | gen_op_mov_TN_reg[ot][0][reg](); | |
1704 | gen_op_mov_reg_T0[ot][rm](); | |
1705 | } else { | |
1706 | gen_op_mov_TN_reg[ot][0][rm](); | |
1707 | if (reg != OR_TMP0) | |
1708 | gen_op_mov_reg_T0[ot][reg](); | |
1709 | } | |
1710 | } else { | |
1711 | gen_lea_modrm(s, modrm, &opreg, &disp); | |
1712 | if (is_store) { | |
1713 | if (reg != OR_TMP0) | |
1714 | gen_op_mov_TN_reg[ot][0][reg](); | |
1715 | gen_op_st_T0_A0[ot + s->mem_index](); | |
1716 | } else { | |
1717 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
1718 | if (reg != OR_TMP0) | |
1719 | gen_op_mov_reg_T0[ot][reg](); | |
1720 | } | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | static inline uint32_t insn_get(DisasContext *s, int ot) | |
1725 | { | |
1726 | uint32_t ret; | |
1727 | ||
1728 | switch(ot) { | |
1729 | case OT_BYTE: | |
61382a50 | 1730 | ret = ldub_code(s->pc); |
2c0262af FB |
1731 | s->pc++; |
1732 | break; | |
1733 | case OT_WORD: | |
61382a50 | 1734 | ret = lduw_code(s->pc); |
2c0262af FB |
1735 | s->pc += 2; |
1736 | break; | |
1737 | default: | |
1738 | case OT_LONG: | |
61382a50 | 1739 | ret = ldl_code(s->pc); |
2c0262af FB |
1740 | s->pc += 4; |
1741 | break; | |
1742 | } | |
1743 | return ret; | |
1744 | } | |
1745 | ||
14ce26e7 FB |
1746 | static inline int insn_const_size(unsigned int ot) |
1747 | { | |
1748 | if (ot <= OT_LONG) | |
1749 | return 1 << ot; | |
1750 | else | |
1751 | return 4; | |
1752 | } | |
1753 | ||
6e256c93 FB |
1754 | static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip) |
1755 | { | |
1756 | TranslationBlock *tb; | |
1757 | target_ulong pc; | |
1758 | ||
1759 | pc = s->cs_base + eip; | |
1760 | tb = s->tb; | |
1761 | /* NOTE: we handle the case where the TB spans two pages here */ | |
1762 | if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) || | |
1763 | (pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) { | |
1764 | /* jump to same page: we can use a direct jump */ | |
1765 | if (tb_num == 0) | |
1766 | gen_op_goto_tb0(TBPARAM(tb)); | |
1767 | else | |
1768 | gen_op_goto_tb1(TBPARAM(tb)); | |
1769 | gen_jmp_im(eip); | |
1770 | gen_op_movl_T0_im((long)tb + tb_num); | |
1771 | gen_op_exit_tb(); | |
1772 | } else { | |
1773 | /* jump to another page: currently not optimized */ | |
1774 | gen_jmp_im(eip); | |
1775 | gen_eob(s); | |
1776 | } | |
1777 | } | |
1778 | ||
14ce26e7 FB |
1779 | static inline void gen_jcc(DisasContext *s, int b, |
1780 | target_ulong val, target_ulong next_eip) | |
2c0262af FB |
1781 | { |
1782 | TranslationBlock *tb; | |
1783 | int inv, jcc_op; | |
14ce26e7 FB |
1784 | GenOpFunc1 *func; |
1785 | target_ulong tmp; | |
1786 | int l1, l2; | |
2c0262af FB |
1787 | |
1788 | inv = b & 1; | |
1789 | jcc_op = (b >> 1) & 7; | |
1790 | ||
1791 | if (s->jmp_opt) { | |
1792 | switch(s->cc_op) { | |
1793 | /* we optimize the cmp/jcc case */ | |
1794 | case CC_OP_SUBB: | |
1795 | case CC_OP_SUBW: | |
1796 | case CC_OP_SUBL: | |
14ce26e7 | 1797 | case CC_OP_SUBQ: |
2c0262af FB |
1798 | func = gen_jcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; |
1799 | break; | |
1800 | ||
1801 | /* some jumps are easy to compute */ | |
1802 | case CC_OP_ADDB: | |
1803 | case CC_OP_ADDW: | |
1804 | case CC_OP_ADDL: | |
14ce26e7 FB |
1805 | case CC_OP_ADDQ: |
1806 | ||
2c0262af FB |
1807 | case CC_OP_ADCB: |
1808 | case CC_OP_ADCW: | |
1809 | case CC_OP_ADCL: | |
14ce26e7 FB |
1810 | case CC_OP_ADCQ: |
1811 | ||
2c0262af FB |
1812 | case CC_OP_SBBB: |
1813 | case CC_OP_SBBW: | |
1814 | case CC_OP_SBBL: | |
14ce26e7 FB |
1815 | case CC_OP_SBBQ: |
1816 | ||
2c0262af FB |
1817 | case CC_OP_LOGICB: |
1818 | case CC_OP_LOGICW: | |
1819 | case CC_OP_LOGICL: | |
14ce26e7 FB |
1820 | case CC_OP_LOGICQ: |
1821 | ||
2c0262af FB |
1822 | case CC_OP_INCB: |
1823 | case CC_OP_INCW: | |
1824 | case CC_OP_INCL: | |
14ce26e7 FB |
1825 | case CC_OP_INCQ: |
1826 | ||
2c0262af FB |
1827 | case CC_OP_DECB: |
1828 | case CC_OP_DECW: | |
1829 | case CC_OP_DECL: | |
14ce26e7 FB |
1830 | case CC_OP_DECQ: |
1831 | ||
2c0262af FB |
1832 | case CC_OP_SHLB: |
1833 | case CC_OP_SHLW: | |
1834 | case CC_OP_SHLL: | |
14ce26e7 FB |
1835 | case CC_OP_SHLQ: |
1836 | ||
2c0262af FB |
1837 | case CC_OP_SARB: |
1838 | case CC_OP_SARW: | |
1839 | case CC_OP_SARL: | |
14ce26e7 | 1840 | case CC_OP_SARQ: |
2c0262af FB |
1841 | switch(jcc_op) { |
1842 | case JCC_Z: | |
14ce26e7 | 1843 | func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1844 | break; |
1845 | case JCC_S: | |
14ce26e7 | 1846 | func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1847 | break; |
1848 | default: | |
1849 | func = NULL; | |
1850 | break; | |
1851 | } | |
1852 | break; | |
1853 | default: | |
1854 | func = NULL; | |
1855 | break; | |
1856 | } | |
1857 | ||
6e256c93 | 1858 | if (s->cc_op != CC_OP_DYNAMIC) { |
2c0262af | 1859 | gen_op_set_cc_op(s->cc_op); |
6e256c93 FB |
1860 | s->cc_op = CC_OP_DYNAMIC; |
1861 | } | |
2c0262af FB |
1862 | |
1863 | if (!func) { | |
1864 | gen_setcc_slow[jcc_op](); | |
14ce26e7 | 1865 | func = gen_op_jnz_T0_label; |
2c0262af FB |
1866 | } |
1867 | ||
14ce26e7 FB |
1868 | if (inv) { |
1869 | tmp = val; | |
1870 | val = next_eip; | |
1871 | next_eip = tmp; | |
2c0262af | 1872 | } |
14ce26e7 FB |
1873 | tb = s->tb; |
1874 | ||
1875 | l1 = gen_new_label(); | |
1876 | func(l1); | |
1877 | ||
6e256c93 | 1878 | gen_goto_tb(s, 0, next_eip); |
14ce26e7 FB |
1879 | |
1880 | gen_set_label(l1); | |
6e256c93 | 1881 | gen_goto_tb(s, 1, val); |
14ce26e7 | 1882 | |
2c0262af FB |
1883 | s->is_jmp = 3; |
1884 | } else { | |
14ce26e7 | 1885 | |
2c0262af FB |
1886 | if (s->cc_op != CC_OP_DYNAMIC) { |
1887 | gen_op_set_cc_op(s->cc_op); | |
1888 | s->cc_op = CC_OP_DYNAMIC; | |
1889 | } | |
1890 | gen_setcc_slow[jcc_op](); | |
14ce26e7 FB |
1891 | if (inv) { |
1892 | tmp = val; | |
1893 | val = next_eip; | |
1894 | next_eip = tmp; | |
2c0262af | 1895 | } |
14ce26e7 FB |
1896 | l1 = gen_new_label(); |
1897 | l2 = gen_new_label(); | |
1898 | gen_op_jnz_T0_label(l1); | |
1899 | gen_jmp_im(next_eip); | |
1900 | gen_op_jmp_label(l2); | |
1901 | gen_set_label(l1); | |
1902 | gen_jmp_im(val); | |
1903 | gen_set_label(l2); | |
2c0262af FB |
1904 | gen_eob(s); |
1905 | } | |
1906 | } | |
1907 | ||
1908 | static void gen_setcc(DisasContext *s, int b) | |
1909 | { | |
1910 | int inv, jcc_op; | |
1911 | GenOpFunc *func; | |
1912 | ||
1913 | inv = b & 1; | |
1914 | jcc_op = (b >> 1) & 7; | |
1915 | switch(s->cc_op) { | |
1916 | /* we optimize the cmp/jcc case */ | |
1917 | case CC_OP_SUBB: | |
1918 | case CC_OP_SUBW: | |
1919 | case CC_OP_SUBL: | |
14ce26e7 | 1920 | case CC_OP_SUBQ: |
2c0262af FB |
1921 | func = gen_setcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; |
1922 | if (!func) | |
1923 | goto slow_jcc; | |
1924 | break; | |
1925 | ||
1926 | /* some jumps are easy to compute */ | |
1927 | case CC_OP_ADDB: | |
1928 | case CC_OP_ADDW: | |
1929 | case CC_OP_ADDL: | |
14ce26e7 FB |
1930 | case CC_OP_ADDQ: |
1931 | ||
2c0262af FB |
1932 | case CC_OP_LOGICB: |
1933 | case CC_OP_LOGICW: | |
1934 | case CC_OP_LOGICL: | |
14ce26e7 FB |
1935 | case CC_OP_LOGICQ: |
1936 | ||
2c0262af FB |
1937 | case CC_OP_INCB: |
1938 | case CC_OP_INCW: | |
1939 | case CC_OP_INCL: | |
14ce26e7 FB |
1940 | case CC_OP_INCQ: |
1941 | ||
2c0262af FB |
1942 | case CC_OP_DECB: |
1943 | case CC_OP_DECW: | |
1944 | case CC_OP_DECL: | |
14ce26e7 FB |
1945 | case CC_OP_DECQ: |
1946 | ||
2c0262af FB |
1947 | case CC_OP_SHLB: |
1948 | case CC_OP_SHLW: | |
1949 | case CC_OP_SHLL: | |
14ce26e7 | 1950 | case CC_OP_SHLQ: |
2c0262af FB |
1951 | switch(jcc_op) { |
1952 | case JCC_Z: | |
14ce26e7 | 1953 | func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1954 | break; |
1955 | case JCC_S: | |
14ce26e7 | 1956 | func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 4][jcc_op]; |
2c0262af FB |
1957 | break; |
1958 | default: | |
1959 | goto slow_jcc; | |
1960 | } | |
1961 | break; | |
1962 | default: | |
1963 | slow_jcc: | |
1964 | if (s->cc_op != CC_OP_DYNAMIC) | |
1965 | gen_op_set_cc_op(s->cc_op); | |
1966 | func = gen_setcc_slow[jcc_op]; | |
1967 | break; | |
1968 | } | |
1969 | func(); | |
1970 | if (inv) { | |
1971 | gen_op_xor_T0_1(); | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | /* move T0 to seg_reg and compute if the CPU state may change. Never | |
1976 | call this function with seg_reg == R_CS */ | |
14ce26e7 | 1977 | static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip) |
2c0262af | 1978 | { |
3415a4dd FB |
1979 | if (s->pe && !s->vm86) { |
1980 | /* XXX: optimize by finding processor state dynamically */ | |
1981 | if (s->cc_op != CC_OP_DYNAMIC) | |
1982 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 1983 | gen_jmp_im(cur_eip); |
3415a4dd | 1984 | gen_op_movl_seg_T0(seg_reg); |
dc196a57 FB |
1985 | /* abort translation because the addseg value may change or |
1986 | because ss32 may change. For R_SS, translation must always | |
1987 | stop as a special handling must be done to disable hardware | |
1988 | interrupts for the next instruction */ | |
1989 | if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS)) | |
1990 | s->is_jmp = 3; | |
3415a4dd | 1991 | } else { |
2c0262af | 1992 | gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[seg_reg])); |
dc196a57 FB |
1993 | if (seg_reg == R_SS) |
1994 | s->is_jmp = 3; | |
3415a4dd | 1995 | } |
2c0262af FB |
1996 | } |
1997 | ||
4f31916f FB |
1998 | static inline void gen_stack_update(DisasContext *s, int addend) |
1999 | { | |
14ce26e7 FB |
2000 | #ifdef TARGET_X86_64 |
2001 | if (CODE64(s)) { | |
2002 | if (addend == 8) | |
2003 | gen_op_addq_ESP_8(); | |
2004 | else | |
2005 | gen_op_addq_ESP_im(addend); | |
2006 | } else | |
2007 | #endif | |
4f31916f FB |
2008 | if (s->ss32) { |
2009 | if (addend == 2) | |
2010 | gen_op_addl_ESP_2(); | |
2011 | else if (addend == 4) | |
2012 | gen_op_addl_ESP_4(); | |
2013 | else | |
2014 | gen_op_addl_ESP_im(addend); | |
2015 | } else { | |
2016 | if (addend == 2) | |
2017 | gen_op_addw_ESP_2(); | |
2018 | else if (addend == 4) | |
2019 | gen_op_addw_ESP_4(); | |
2020 | else | |
2021 | gen_op_addw_ESP_im(addend); | |
2022 | } | |
2023 | } | |
2024 | ||
2c0262af FB |
2025 | /* generate a push. It depends on ss32, addseg and dflag */ |
2026 | static void gen_push_T0(DisasContext *s) | |
2027 | { | |
14ce26e7 FB |
2028 | #ifdef TARGET_X86_64 |
2029 | if (CODE64(s)) { | |
14ce26e7 | 2030 | gen_op_movq_A0_reg[R_ESP](); |
8f091a59 FB |
2031 | if (s->dflag) { |
2032 | gen_op_subq_A0_8(); | |
2033 | gen_op_st_T0_A0[OT_QUAD + s->mem_index](); | |
2034 | } else { | |
2035 | gen_op_subq_A0_2(); | |
2036 | gen_op_st_T0_A0[OT_WORD + s->mem_index](); | |
2037 | } | |
14ce26e7 FB |
2038 | gen_op_movq_ESP_A0(); |
2039 | } else | |
2040 | #endif | |
2041 | { | |
2042 | gen_op_movl_A0_reg[R_ESP](); | |
2043 | if (!s->dflag) | |
2044 | gen_op_subl_A0_2(); | |
2045 | else | |
2046 | gen_op_subl_A0_4(); | |
2047 | if (s->ss32) { | |
2048 | if (s->addseg) { | |
2049 | gen_op_movl_T1_A0(); | |
2050 | gen_op_addl_A0_SS(); | |
2051 | } | |
2052 | } else { | |
2053 | gen_op_andl_A0_ffff(); | |
4f31916f FB |
2054 | gen_op_movl_T1_A0(); |
2055 | gen_op_addl_A0_SS(); | |
2c0262af | 2056 | } |
14ce26e7 FB |
2057 | gen_op_st_T0_A0[s->dflag + 1 + s->mem_index](); |
2058 | if (s->ss32 && !s->addseg) | |
2059 | gen_op_movl_ESP_A0(); | |
2060 | else | |
2061 | gen_op_mov_reg_T1[s->ss32 + 1][R_ESP](); | |
2c0262af FB |
2062 | } |
2063 | } | |
2064 | ||
4f31916f FB |
2065 | /* generate a push. It depends on ss32, addseg and dflag */ |
2066 | /* slower version for T1, only used for call Ev */ | |
2067 | static void gen_push_T1(DisasContext *s) | |
2c0262af | 2068 | { |
14ce26e7 FB |
2069 | #ifdef TARGET_X86_64 |
2070 | if (CODE64(s)) { | |
14ce26e7 | 2071 | gen_op_movq_A0_reg[R_ESP](); |
8f091a59 FB |
2072 | if (s->dflag) { |
2073 | gen_op_subq_A0_8(); | |
2074 | gen_op_st_T1_A0[OT_QUAD + s->mem_index](); | |
2075 | } else { | |
2076 | gen_op_subq_A0_2(); | |
2077 | gen_op_st_T0_A0[OT_WORD + s->mem_index](); | |
2078 | } | |
14ce26e7 FB |
2079 | gen_op_movq_ESP_A0(); |
2080 | } else | |
2081 | #endif | |
2082 | { | |
2083 | gen_op_movl_A0_reg[R_ESP](); | |
2084 | if (!s->dflag) | |
2085 | gen_op_subl_A0_2(); | |
2086 | else | |
2087 | gen_op_subl_A0_4(); | |
2088 | if (s->ss32) { | |
2089 | if (s->addseg) { | |
2090 | gen_op_addl_A0_SS(); | |
2091 | } | |
2092 | } else { | |
2093 | gen_op_andl_A0_ffff(); | |
4f31916f | 2094 | gen_op_addl_A0_SS(); |
2c0262af | 2095 | } |
14ce26e7 FB |
2096 | gen_op_st_T1_A0[s->dflag + 1 + s->mem_index](); |
2097 | ||
2098 | if (s->ss32 && !s->addseg) | |
2099 | gen_op_movl_ESP_A0(); | |
2100 | else | |
2101 | gen_stack_update(s, (-2) << s->dflag); | |
2c0262af FB |
2102 | } |
2103 | } | |
2104 | ||
4f31916f FB |
2105 | /* two step pop is necessary for precise exceptions */ |
2106 | static void gen_pop_T0(DisasContext *s) | |
2c0262af | 2107 | { |
14ce26e7 FB |
2108 | #ifdef TARGET_X86_64 |
2109 | if (CODE64(s)) { | |
14ce26e7 | 2110 | gen_op_movq_A0_reg[R_ESP](); |
8f091a59 | 2111 | gen_op_ld_T0_A0[(s->dflag ? OT_QUAD : OT_WORD) + s->mem_index](); |
14ce26e7 FB |
2112 | } else |
2113 | #endif | |
2114 | { | |
2115 | gen_op_movl_A0_reg[R_ESP](); | |
2116 | if (s->ss32) { | |
2117 | if (s->addseg) | |
2118 | gen_op_addl_A0_SS(); | |
2119 | } else { | |
2120 | gen_op_andl_A0_ffff(); | |
4f31916f | 2121 | gen_op_addl_A0_SS(); |
14ce26e7 FB |
2122 | } |
2123 | gen_op_ld_T0_A0[s->dflag + 1 + s->mem_index](); | |
2c0262af FB |
2124 | } |
2125 | } | |
2126 | ||
2127 | static void gen_pop_update(DisasContext *s) | |
2128 | { | |
14ce26e7 | 2129 | #ifdef TARGET_X86_64 |
8f091a59 | 2130 | if (CODE64(s) && s->dflag) { |
14ce26e7 FB |
2131 | gen_stack_update(s, 8); |
2132 | } else | |
2133 | #endif | |
2134 | { | |
2135 | gen_stack_update(s, 2 << s->dflag); | |
2136 | } | |
2c0262af FB |
2137 | } |
2138 | ||
2139 | static void gen_stack_A0(DisasContext *s) | |
2140 | { | |
2141 | gen_op_movl_A0_ESP(); | |
2142 | if (!s->ss32) | |
2143 | gen_op_andl_A0_ffff(); | |
2144 | gen_op_movl_T1_A0(); | |
2145 | if (s->addseg) | |
2146 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); | |
2147 | } | |
2148 | ||
2149 | /* NOTE: wrap around in 16 bit not fully handled */ | |
2150 | static void gen_pusha(DisasContext *s) | |
2151 | { | |
2152 | int i; | |
2153 | gen_op_movl_A0_ESP(); | |
2154 | gen_op_addl_A0_im(-16 << s->dflag); | |
2155 | if (!s->ss32) | |
2156 | gen_op_andl_A0_ffff(); | |
2157 | gen_op_movl_T1_A0(); | |
2158 | if (s->addseg) | |
2159 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); | |
2160 | for(i = 0;i < 8; i++) { | |
2161 | gen_op_mov_TN_reg[OT_LONG][0][7 - i](); | |
2162 | gen_op_st_T0_A0[OT_WORD + s->dflag + s->mem_index](); | |
2163 | gen_op_addl_A0_im(2 << s->dflag); | |
2164 | } | |
90f11f95 | 2165 | gen_op_mov_reg_T1[OT_WORD + s->ss32][R_ESP](); |
2c0262af FB |
2166 | } |
2167 | ||
2168 | /* NOTE: wrap around in 16 bit not fully handled */ | |
2169 | static void gen_popa(DisasContext *s) | |
2170 | { | |
2171 | int i; | |
2172 | gen_op_movl_A0_ESP(); | |
2173 | if (!s->ss32) | |
2174 | gen_op_andl_A0_ffff(); | |
2175 | gen_op_movl_T1_A0(); | |
2176 | gen_op_addl_T1_im(16 << s->dflag); | |
2177 | if (s->addseg) | |
2178 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); | |
2179 | for(i = 0;i < 8; i++) { | |
2180 | /* ESP is not reloaded */ | |
2181 | if (i != 3) { | |
2182 | gen_op_ld_T0_A0[OT_WORD + s->dflag + s->mem_index](); | |
2183 | gen_op_mov_reg_T0[OT_WORD + s->dflag][7 - i](); | |
2184 | } | |
2185 | gen_op_addl_A0_im(2 << s->dflag); | |
2186 | } | |
90f11f95 | 2187 | gen_op_mov_reg_T1[OT_WORD + s->ss32][R_ESP](); |
2c0262af FB |
2188 | } |
2189 | ||
2c0262af FB |
2190 | static void gen_enter(DisasContext *s, int esp_addend, int level) |
2191 | { | |
61a8c4ec | 2192 | int ot, opsize; |
2c0262af | 2193 | |
2c0262af | 2194 | level &= 0x1f; |
8f091a59 FB |
2195 | #ifdef TARGET_X86_64 |
2196 | if (CODE64(s)) { | |
2197 | ot = s->dflag ? OT_QUAD : OT_WORD; | |
2198 | opsize = 1 << ot; | |
2199 | ||
2200 | gen_op_movl_A0_ESP(); | |
2201 | gen_op_addq_A0_im(-opsize); | |
2202 | gen_op_movl_T1_A0(); | |
2203 | ||
2204 | /* push bp */ | |
2205 | gen_op_mov_TN_reg[OT_LONG][0][R_EBP](); | |
2206 | gen_op_st_T0_A0[ot + s->mem_index](); | |
2207 | if (level) { | |
2208 | gen_op_enter64_level(level, (ot == OT_QUAD)); | |
2209 | } | |
2210 | gen_op_mov_reg_T1[ot][R_EBP](); | |
2211 | gen_op_addl_T1_im( -esp_addend + (-opsize * level) ); | |
2212 | gen_op_mov_reg_T1[OT_QUAD][R_ESP](); | |
2213 | } else | |
2214 | #endif | |
2215 | { | |
2216 | ot = s->dflag + OT_WORD; | |
2217 | opsize = 2 << s->dflag; | |
2218 | ||
2219 | gen_op_movl_A0_ESP(); | |
2220 | gen_op_addl_A0_im(-opsize); | |
2221 | if (!s->ss32) | |
2222 | gen_op_andl_A0_ffff(); | |
2223 | gen_op_movl_T1_A0(); | |
2224 | if (s->addseg) | |
2225 | gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); | |
2226 | /* push bp */ | |
2227 | gen_op_mov_TN_reg[OT_LONG][0][R_EBP](); | |
2228 | gen_op_st_T0_A0[ot + s->mem_index](); | |
2229 | if (level) { | |
2230 | gen_op_enter_level(level, s->dflag); | |
2231 | } | |
2232 | gen_op_mov_reg_T1[ot][R_EBP](); | |
2233 | gen_op_addl_T1_im( -esp_addend + (-opsize * level) ); | |
2234 | gen_op_mov_reg_T1[OT_WORD + s->ss32][R_ESP](); | |
2c0262af | 2235 | } |
2c0262af FB |
2236 | } |
2237 | ||
14ce26e7 | 2238 | static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip) |
2c0262af FB |
2239 | { |
2240 | if (s->cc_op != CC_OP_DYNAMIC) | |
2241 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 2242 | gen_jmp_im(cur_eip); |
2c0262af FB |
2243 | gen_op_raise_exception(trapno); |
2244 | s->is_jmp = 3; | |
2245 | } | |
2246 | ||
2247 | /* an interrupt is different from an exception because of the | |
2248 | priviledge checks */ | |
2249 | static void gen_interrupt(DisasContext *s, int intno, | |
14ce26e7 | 2250 | target_ulong cur_eip, target_ulong next_eip) |
2c0262af FB |
2251 | { |
2252 | if (s->cc_op != CC_OP_DYNAMIC) | |
2253 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 2254 | gen_jmp_im(cur_eip); |
a8ede8ba | 2255 | gen_op_raise_interrupt(intno, (int)(next_eip - cur_eip)); |
2c0262af FB |
2256 | s->is_jmp = 3; |
2257 | } | |
2258 | ||
14ce26e7 | 2259 | static void gen_debug(DisasContext *s, target_ulong cur_eip) |
2c0262af FB |
2260 | { |
2261 | if (s->cc_op != CC_OP_DYNAMIC) | |
2262 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 2263 | gen_jmp_im(cur_eip); |
2c0262af FB |
2264 | gen_op_debug(); |
2265 | s->is_jmp = 3; | |
2266 | } | |
2267 | ||
2268 | /* generate a generic end of block. Trace exception is also generated | |
2269 | if needed */ | |
2270 | static void gen_eob(DisasContext *s) | |
2271 | { | |
2272 | if (s->cc_op != CC_OP_DYNAMIC) | |
2273 | gen_op_set_cc_op(s->cc_op); | |
a2cc3b24 FB |
2274 | if (s->tb->flags & HF_INHIBIT_IRQ_MASK) { |
2275 | gen_op_reset_inhibit_irq(); | |
2276 | } | |
34865134 FB |
2277 | if (s->singlestep_enabled) { |
2278 | gen_op_debug(); | |
2279 | } else if (s->tf) { | |
2c0262af FB |
2280 | gen_op_raise_exception(EXCP01_SSTP); |
2281 | } else { | |
2282 | gen_op_movl_T0_0(); | |
2283 | gen_op_exit_tb(); | |
2284 | } | |
2285 | s->is_jmp = 3; | |
2286 | } | |
2287 | ||
2288 | /* generate a jump to eip. No segment change must happen before as a | |
2289 | direct call to the next block may occur */ | |
14ce26e7 | 2290 | static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num) |
2c0262af | 2291 | { |
2c0262af | 2292 | if (s->jmp_opt) { |
6e256c93 | 2293 | if (s->cc_op != CC_OP_DYNAMIC) { |
2c0262af | 2294 | gen_op_set_cc_op(s->cc_op); |
6e256c93 FB |
2295 | s->cc_op = CC_OP_DYNAMIC; |
2296 | } | |
2297 | gen_goto_tb(s, tb_num, eip); | |
2c0262af FB |
2298 | s->is_jmp = 3; |
2299 | } else { | |
14ce26e7 | 2300 | gen_jmp_im(eip); |
2c0262af FB |
2301 | gen_eob(s); |
2302 | } | |
2303 | } | |
2304 | ||
14ce26e7 FB |
2305 | static void gen_jmp(DisasContext *s, target_ulong eip) |
2306 | { | |
2307 | gen_jmp_tb(s, eip, 0); | |
2308 | } | |
2309 | ||
2310 | static void gen_movtl_T0_im(target_ulong val) | |
2311 | { | |
2312 | #ifdef TARGET_X86_64 | |
2313 | if ((int32_t)val == val) { | |
2314 | gen_op_movl_T0_im(val); | |
2315 | } else { | |
2316 | gen_op_movq_T0_im64(val >> 32, val); | |
2317 | } | |
2318 | #else | |
2319 | gen_op_movl_T0_im(val); | |
2320 | #endif | |
2321 | } | |
2322 | ||
1ef38687 FB |
2323 | static void gen_movtl_T1_im(target_ulong val) |
2324 | { | |
2325 | #ifdef TARGET_X86_64 | |
2326 | if ((int32_t)val == val) { | |
2327 | gen_op_movl_T1_im(val); | |
2328 | } else { | |
2329 | gen_op_movq_T1_im64(val >> 32, val); | |
2330 | } | |
2331 | #else | |
2332 | gen_op_movl_T1_im(val); | |
2333 | #endif | |
2334 | } | |
2335 | ||
aba9d61e FB |
2336 | static void gen_add_A0_im(DisasContext *s, int val) |
2337 | { | |
2338 | #ifdef TARGET_X86_64 | |
2339 | if (CODE64(s)) | |
2340 | gen_op_addq_A0_im(val); | |
2341 | else | |
2342 | #endif | |
2343 | gen_op_addl_A0_im(val); | |
2344 | } | |
2345 | ||
664e0f19 FB |
2346 | static GenOpFunc1 *gen_ldq_env_A0[3] = { |
2347 | gen_op_ldq_raw_env_A0, | |
2348 | #ifndef CONFIG_USER_ONLY | |
2349 | gen_op_ldq_kernel_env_A0, | |
2350 | gen_op_ldq_user_env_A0, | |
2351 | #endif | |
2352 | }; | |
2353 | ||
2354 | static GenOpFunc1 *gen_stq_env_A0[3] = { | |
2355 | gen_op_stq_raw_env_A0, | |
2356 | #ifndef CONFIG_USER_ONLY | |
2357 | gen_op_stq_kernel_env_A0, | |
2358 | gen_op_stq_user_env_A0, | |
2359 | #endif | |
2360 | }; | |
2361 | ||
14ce26e7 FB |
2362 | static GenOpFunc1 *gen_ldo_env_A0[3] = { |
2363 | gen_op_ldo_raw_env_A0, | |
2364 | #ifndef CONFIG_USER_ONLY | |
2365 | gen_op_ldo_kernel_env_A0, | |
2366 | gen_op_ldo_user_env_A0, | |
2367 | #endif | |
2368 | }; | |
2369 | ||
2370 | static GenOpFunc1 *gen_sto_env_A0[3] = { | |
2371 | gen_op_sto_raw_env_A0, | |
2372 | #ifndef CONFIG_USER_ONLY | |
2373 | gen_op_sto_kernel_env_A0, | |
2374 | gen_op_sto_user_env_A0, | |
2375 | #endif | |
2376 | }; | |
2377 | ||
664e0f19 FB |
2378 | #define SSE_SPECIAL ((GenOpFunc2 *)1) |
2379 | ||
2380 | #define MMX_OP2(x) { gen_op_ ## x ## _mmx, gen_op_ ## x ## _xmm } | |
2381 | #define SSE_FOP(x) { gen_op_ ## x ## ps, gen_op_ ## x ## pd, \ | |
2382 | gen_op_ ## x ## ss, gen_op_ ## x ## sd, } | |
2383 | ||
2384 | static GenOpFunc2 *sse_op_table1[256][4] = { | |
2385 | /* pure SSE operations */ | |
2386 | [0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ | |
2387 | [0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ | |
465e9838 | 2388 | [0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */ |
664e0f19 FB |
2389 | [0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */ |
2390 | [0x14] = { gen_op_punpckldq_xmm, gen_op_punpcklqdq_xmm }, | |
2391 | [0x15] = { gen_op_punpckhdq_xmm, gen_op_punpckhqdq_xmm }, | |
2392 | [0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */ | |
2393 | [0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */ | |
2394 | ||
2395 | [0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ | |
2396 | [0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ | |
2397 | [0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */ | |
2398 | [0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */ | |
2399 | [0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */ | |
2400 | [0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */ | |
2401 | [0x2e] = { gen_op_ucomiss, gen_op_ucomisd }, | |
2402 | [0x2f] = { gen_op_comiss, gen_op_comisd }, | |
2403 | [0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */ | |
2404 | [0x51] = SSE_FOP(sqrt), | |
2405 | [0x52] = { gen_op_rsqrtps, NULL, gen_op_rsqrtss, NULL }, | |
2406 | [0x53] = { gen_op_rcpps, NULL, gen_op_rcpss, NULL }, | |
2407 | [0x54] = { gen_op_pand_xmm, gen_op_pand_xmm }, /* andps, andpd */ | |
2408 | [0x55] = { gen_op_pandn_xmm, gen_op_pandn_xmm }, /* andnps, andnpd */ | |
2409 | [0x56] = { gen_op_por_xmm, gen_op_por_xmm }, /* orps, orpd */ | |
2410 | [0x57] = { gen_op_pxor_xmm, gen_op_pxor_xmm }, /* xorps, xorpd */ | |
2411 | [0x58] = SSE_FOP(add), | |
2412 | [0x59] = SSE_FOP(mul), | |
2413 | [0x5a] = { gen_op_cvtps2pd, gen_op_cvtpd2ps, | |
2414 | gen_op_cvtss2sd, gen_op_cvtsd2ss }, | |
2415 | [0x5b] = { gen_op_cvtdq2ps, gen_op_cvtps2dq, gen_op_cvttps2dq }, | |
2416 | [0x5c] = SSE_FOP(sub), | |
2417 | [0x5d] = SSE_FOP(min), | |
2418 | [0x5e] = SSE_FOP(div), | |
2419 | [0x5f] = SSE_FOP(max), | |
2420 | ||
2421 | [0xc2] = SSE_FOP(cmpeq), | |
d52cf7a6 | 2422 | [0xc6] = { (GenOpFunc2 *)gen_op_shufps, (GenOpFunc2 *)gen_op_shufpd }, |
664e0f19 FB |
2423 | |
2424 | /* MMX ops and their SSE extensions */ | |
2425 | [0x60] = MMX_OP2(punpcklbw), | |
2426 | [0x61] = MMX_OP2(punpcklwd), | |
2427 | [0x62] = MMX_OP2(punpckldq), | |
2428 | [0x63] = MMX_OP2(packsswb), | |
2429 | [0x64] = MMX_OP2(pcmpgtb), | |
2430 | [0x65] = MMX_OP2(pcmpgtw), | |
2431 | [0x66] = MMX_OP2(pcmpgtl), | |
2432 | [0x67] = MMX_OP2(packuswb), | |
2433 | [0x68] = MMX_OP2(punpckhbw), | |
2434 | [0x69] = MMX_OP2(punpckhwd), | |
2435 | [0x6a] = MMX_OP2(punpckhdq), | |
2436 | [0x6b] = MMX_OP2(packssdw), | |
2437 | [0x6c] = { NULL, gen_op_punpcklqdq_xmm }, | |
2438 | [0x6d] = { NULL, gen_op_punpckhqdq_xmm }, | |
2439 | [0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */ | |
2440 | [0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */ | |
2441 | [0x70] = { (GenOpFunc2 *)gen_op_pshufw_mmx, | |
2442 | (GenOpFunc2 *)gen_op_pshufd_xmm, | |
2443 | (GenOpFunc2 *)gen_op_pshufhw_xmm, | |
2444 | (GenOpFunc2 *)gen_op_pshuflw_xmm }, | |
2445 | [0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */ | |
2446 | [0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */ | |
2447 | [0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */ | |
2448 | [0x74] = MMX_OP2(pcmpeqb), | |
2449 | [0x75] = MMX_OP2(pcmpeqw), | |
2450 | [0x76] = MMX_OP2(pcmpeql), | |
2451 | [0x77] = { SSE_SPECIAL }, /* emms */ | |
2452 | [0x7c] = { NULL, gen_op_haddpd, NULL, gen_op_haddps }, | |
2453 | [0x7d] = { NULL, gen_op_hsubpd, NULL, gen_op_hsubps }, | |
2454 | [0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */ | |
2455 | [0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */ | |
2456 | [0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */ | |
2457 | [0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */ | |
2458 | [0xd0] = { NULL, gen_op_addsubpd, NULL, gen_op_addsubps }, | |
2459 | [0xd1] = MMX_OP2(psrlw), | |
2460 | [0xd2] = MMX_OP2(psrld), | |
2461 | [0xd3] = MMX_OP2(psrlq), | |
2462 | [0xd4] = MMX_OP2(paddq), | |
2463 | [0xd5] = MMX_OP2(pmullw), | |
2464 | [0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, | |
2465 | [0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */ | |
2466 | [0xd8] = MMX_OP2(psubusb), | |
2467 | [0xd9] = MMX_OP2(psubusw), | |
2468 | [0xda] = MMX_OP2(pminub), | |
2469 | [0xdb] = MMX_OP2(pand), | |
2470 | [0xdc] = MMX_OP2(paddusb), | |
2471 | [0xdd] = MMX_OP2(paddusw), | |
2472 | [0xde] = MMX_OP2(pmaxub), | |
2473 | [0xdf] = MMX_OP2(pandn), | |
2474 | [0xe0] = MMX_OP2(pavgb), | |
2475 | [0xe1] = MMX_OP2(psraw), | |
2476 | [0xe2] = MMX_OP2(psrad), | |
2477 | [0xe3] = MMX_OP2(pavgw), | |
2478 | [0xe4] = MMX_OP2(pmulhuw), | |
2479 | [0xe5] = MMX_OP2(pmulhw), | |
2480 | [0xe6] = { NULL, gen_op_cvttpd2dq, gen_op_cvtdq2pd, gen_op_cvtpd2dq }, | |
2481 | [0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */ | |
2482 | [0xe8] = MMX_OP2(psubsb), | |
2483 | [0xe9] = MMX_OP2(psubsw), | |
2484 | [0xea] = MMX_OP2(pminsw), | |
2485 | [0xeb] = MMX_OP2(por), | |
2486 | [0xec] = MMX_OP2(paddsb), | |
2487 | [0xed] = MMX_OP2(paddsw), | |
2488 | [0xee] = MMX_OP2(pmaxsw), | |
2489 | [0xef] = MMX_OP2(pxor), | |
465e9838 | 2490 | [0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */ |
664e0f19 FB |
2491 | [0xf1] = MMX_OP2(psllw), |
2492 | [0xf2] = MMX_OP2(pslld), | |
2493 | [0xf3] = MMX_OP2(psllq), | |
2494 | [0xf4] = MMX_OP2(pmuludq), | |
2495 | [0xf5] = MMX_OP2(pmaddwd), | |
2496 | [0xf6] = MMX_OP2(psadbw), | |
2497 | [0xf7] = MMX_OP2(maskmov), | |
2498 | [0xf8] = MMX_OP2(psubb), | |
2499 | [0xf9] = MMX_OP2(psubw), | |
2500 | [0xfa] = MMX_OP2(psubl), | |
2501 | [0xfb] = MMX_OP2(psubq), | |
2502 | [0xfc] = MMX_OP2(paddb), | |
2503 | [0xfd] = MMX_OP2(paddw), | |
2504 | [0xfe] = MMX_OP2(paddl), | |
2505 | }; | |
2506 | ||
2507 | static GenOpFunc2 *sse_op_table2[3 * 8][2] = { | |
2508 | [0 + 2] = MMX_OP2(psrlw), | |
2509 | [0 + 4] = MMX_OP2(psraw), | |
2510 | [0 + 6] = MMX_OP2(psllw), | |
2511 | [8 + 2] = MMX_OP2(psrld), | |
2512 | [8 + 4] = MMX_OP2(psrad), | |
2513 | [8 + 6] = MMX_OP2(pslld), | |
2514 | [16 + 2] = MMX_OP2(psrlq), | |
2515 | [16 + 3] = { NULL, gen_op_psrldq_xmm }, | |
2516 | [16 + 6] = MMX_OP2(psllq), | |
2517 | [16 + 7] = { NULL, gen_op_pslldq_xmm }, | |
2518 | }; | |
2519 | ||
2520 | static GenOpFunc1 *sse_op_table3[4 * 3] = { | |
2521 | gen_op_cvtsi2ss, | |
2522 | gen_op_cvtsi2sd, | |
2523 | X86_64_ONLY(gen_op_cvtsq2ss), | |
2524 | X86_64_ONLY(gen_op_cvtsq2sd), | |
2525 | ||
2526 | gen_op_cvttss2si, | |
2527 | gen_op_cvttsd2si, | |
2528 | X86_64_ONLY(gen_op_cvttss2sq), | |
2529 | X86_64_ONLY(gen_op_cvttsd2sq), | |
2530 | ||
2531 | gen_op_cvtss2si, | |
2532 | gen_op_cvtsd2si, | |
2533 | X86_64_ONLY(gen_op_cvtss2sq), | |
2534 | X86_64_ONLY(gen_op_cvtsd2sq), | |
2535 | }; | |
2536 | ||
2537 | static GenOpFunc2 *sse_op_table4[8][4] = { | |
2538 | SSE_FOP(cmpeq), | |
2539 | SSE_FOP(cmplt), | |
2540 | SSE_FOP(cmple), | |
2541 | SSE_FOP(cmpunord), | |
2542 | SSE_FOP(cmpneq), | |
2543 | SSE_FOP(cmpnlt), | |
2544 | SSE_FOP(cmpnle), | |
2545 | SSE_FOP(cmpord), | |
2546 | }; | |
2547 | ||
2548 | static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r) | |
2549 | { | |
2550 | int b1, op1_offset, op2_offset, is_xmm, val, ot; | |
2551 | int modrm, mod, rm, reg, reg_addr, offset_addr; | |
2552 | GenOpFunc2 *sse_op2; | |
2553 | GenOpFunc3 *sse_op3; | |
2554 | ||
2555 | b &= 0xff; | |
2556 | if (s->prefix & PREFIX_DATA) | |
2557 | b1 = 1; | |
2558 | else if (s->prefix & PREFIX_REPZ) | |
2559 | b1 = 2; | |
2560 | else if (s->prefix & PREFIX_REPNZ) | |
2561 | b1 = 3; | |
2562 | else | |
2563 | b1 = 0; | |
2564 | sse_op2 = sse_op_table1[b][b1]; | |
2565 | if (!sse_op2) | |
2566 | goto illegal_op; | |
2567 | if (b <= 0x5f || b == 0xc6 || b == 0xc2) { | |
2568 | is_xmm = 1; | |
2569 | } else { | |
2570 | if (b1 == 0) { | |
2571 | /* MMX case */ | |
2572 | is_xmm = 0; | |
2573 | } else { | |
2574 | is_xmm = 1; | |
2575 | } | |
2576 | } | |
2577 | /* simple MMX/SSE operation */ | |
2578 | if (s->flags & HF_TS_MASK) { | |
2579 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
2580 | return; | |
2581 | } | |
2582 | if (s->flags & HF_EM_MASK) { | |
2583 | illegal_op: | |
2584 | gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); | |
2585 | return; | |
2586 | } | |
2587 | if (is_xmm && !(s->flags & HF_OSFXSR_MASK)) | |
2588 | goto illegal_op; | |
2589 | if (b == 0x77) { | |
2590 | /* emms */ | |
2591 | gen_op_emms(); | |
2592 | return; | |
2593 | } | |
2594 | /* prepare MMX state (XXX: optimize by storing fptt and fptags in | |
2595 | the static cpu state) */ | |
2596 | if (!is_xmm) { | |
2597 | gen_op_enter_mmx(); | |
2598 | } | |
2599 | ||
2600 | modrm = ldub_code(s->pc++); | |
2601 | reg = ((modrm >> 3) & 7); | |
2602 | if (is_xmm) | |
2603 | reg |= rex_r; | |
2604 | mod = (modrm >> 6) & 3; | |
2605 | if (sse_op2 == SSE_SPECIAL) { | |
2606 | b |= (b1 << 8); | |
2607 | switch(b) { | |
2608 | case 0x0e7: /* movntq */ | |
2609 | if (mod == 3) | |
2610 | goto illegal_op; | |
2611 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2612 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); | |
2613 | break; | |
2614 | case 0x1e7: /* movntdq */ | |
2615 | case 0x02b: /* movntps */ | |
2616 | case 0x12b: /* movntps */ | |
465e9838 FB |
2617 | case 0x3f0: /* lddqu */ |
2618 | if (mod == 3) | |
664e0f19 FB |
2619 | goto illegal_op; |
2620 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2621 | gen_sto_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2622 | break; | |
2623 | case 0x6e: /* movd mm, ea */ | |
dabd98dd FB |
2624 | #ifdef TARGET_X86_64 |
2625 | if (s->dflag == 2) { | |
2626 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); | |
2627 | gen_op_movq_mm_T0_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2628 | } else | |
2629 | #endif | |
2630 | { | |
2631 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); | |
2632 | gen_op_movl_mm_T0_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2633 | } | |
664e0f19 FB |
2634 | break; |
2635 | case 0x16e: /* movd xmm, ea */ | |
dabd98dd FB |
2636 | #ifdef TARGET_X86_64 |
2637 | if (s->dflag == 2) { | |
2638 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0); | |
2639 | gen_op_movq_mm_T0_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2640 | } else | |
2641 | #endif | |
2642 | { | |
2643 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0); | |
2644 | gen_op_movl_mm_T0_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2645 | } | |
664e0f19 FB |
2646 | break; |
2647 | case 0x6f: /* movq mm, ea */ | |
2648 | if (mod != 3) { | |
2649 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2650 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); | |
2651 | } else { | |
2652 | rm = (modrm & 7); | |
2653 | gen_op_movq(offsetof(CPUX86State,fpregs[reg].mmx), | |
2654 | offsetof(CPUX86State,fpregs[rm].mmx)); | |
2655 | } | |
2656 | break; | |
2657 | case 0x010: /* movups */ | |
2658 | case 0x110: /* movupd */ | |
2659 | case 0x028: /* movaps */ | |
2660 | case 0x128: /* movapd */ | |
2661 | case 0x16f: /* movdqa xmm, ea */ | |
2662 | case 0x26f: /* movdqu xmm, ea */ | |
2663 | if (mod != 3) { | |
2664 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2665 | gen_ldo_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2666 | } else { | |
2667 | rm = (modrm & 7) | REX_B(s); | |
2668 | gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]), | |
2669 | offsetof(CPUX86State,xmm_regs[rm])); | |
2670 | } | |
2671 | break; | |
2672 | case 0x210: /* movss xmm, ea */ | |
2673 | if (mod != 3) { | |
2674 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2675 | gen_op_ld_T0_A0[OT_LONG + s->mem_index](); | |
2676 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
2677 | gen_op_movl_T0_0(); | |
2678 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); | |
2679 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); | |
2680 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); | |
2681 | } else { | |
2682 | rm = (modrm & 7) | REX_B(s); | |
2683 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), | |
2684 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(0))); | |
2685 | } | |
2686 | break; | |
2687 | case 0x310: /* movsd xmm, ea */ | |
2688 | if (mod != 3) { | |
2689 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2690 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2691 | gen_op_movl_T0_0(); | |
2692 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); | |
2693 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); | |
2694 | } else { | |
2695 | rm = (modrm & 7) | REX_B(s); | |
2696 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2697 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2698 | } | |
2699 | break; | |
2700 | case 0x012: /* movlps */ | |
2701 | case 0x112: /* movlpd */ | |
2702 | if (mod != 3) { | |
2703 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2704 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2705 | } else { | |
2706 | /* movhlps */ | |
2707 | rm = (modrm & 7) | REX_B(s); | |
2708 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2709 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1))); | |
2710 | } | |
2711 | break; | |
465e9838 FB |
2712 | case 0x212: /* movsldup */ |
2713 | if (mod != 3) { | |
2714 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2715 | gen_ldo_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2716 | } else { | |
2717 | rm = (modrm & 7) | REX_B(s); | |
2718 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), | |
2719 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(0))); | |
2720 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)), | |
2721 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(2))); | |
2722 | } | |
2723 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)), | |
2724 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
2725 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)), | |
2726 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); | |
2727 | break; | |
2728 | case 0x312: /* movddup */ | |
2729 | if (mod != 3) { | |
2730 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2731 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2732 | } else { | |
2733 | rm = (modrm & 7) | REX_B(s); | |
2734 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2735 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2736 | } | |
2737 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)), | |
ba6526df | 2738 | offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); |
465e9838 | 2739 | break; |
664e0f19 FB |
2740 | case 0x016: /* movhps */ |
2741 | case 0x116: /* movhpd */ | |
2742 | if (mod != 3) { | |
2743 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2744 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
2745 | } else { | |
2746 | /* movlhps */ | |
2747 | rm = (modrm & 7) | REX_B(s); | |
2748 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)), | |
2749 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2750 | } | |
2751 | break; | |
2752 | case 0x216: /* movshdup */ | |
2753 | if (mod != 3) { | |
2754 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2755 | gen_ldo_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2756 | } else { | |
2757 | rm = (modrm & 7) | REX_B(s); | |
2758 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)), | |
2759 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(1))); | |
2760 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)), | |
2761 | offsetof(CPUX86State,xmm_regs[rm].XMM_L(3))); | |
2762 | } | |
2763 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)), | |
2764 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); | |
2765 | gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)), | |
2766 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); | |
2767 | break; | |
2768 | case 0x7e: /* movd ea, mm */ | |
dabd98dd FB |
2769 | #ifdef TARGET_X86_64 |
2770 | if (s->dflag == 2) { | |
2771 | gen_op_movq_T0_mm_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2772 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); | |
2773 | } else | |
2774 | #endif | |
2775 | { | |
2776 | gen_op_movl_T0_mm_mmx(offsetof(CPUX86State,fpregs[reg].mmx)); | |
2777 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); | |
2778 | } | |
664e0f19 FB |
2779 | break; |
2780 | case 0x17e: /* movd ea, xmm */ | |
dabd98dd FB |
2781 | #ifdef TARGET_X86_64 |
2782 | if (s->dflag == 2) { | |
2783 | gen_op_movq_T0_mm_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2784 | gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1); | |
2785 | } else | |
2786 | #endif | |
2787 | { | |
2788 | gen_op_movl_T0_mm_xmm(offsetof(CPUX86State,xmm_regs[reg])); | |
2789 | gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1); | |
2790 | } | |
664e0f19 FB |
2791 | break; |
2792 | case 0x27e: /* movq xmm, ea */ | |
2793 | if (mod != 3) { | |
2794 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2795 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2796 | } else { | |
2797 | rm = (modrm & 7) | REX_B(s); | |
2798 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
2799 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
2800 | } | |
2801 | gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
2802 | break; | |
2803 | case 0x7f: /* movq ea, mm */ | |
2804 | if (mod != 3) { | |
2805 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2806 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,fpregs[reg].mmx)); | |
2807 | } else { | |
2808 | rm = (modrm & 7); | |
2809 | gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx), | |
2810 | offsetof(CPUX86State,fpregs[reg].mmx)); | |
2811 | } | |
2812 | break; | |
2813 | case 0x011: /* movups */ | |
2814 | case 0x111: /* movupd */ | |
2815 | case 0x029: /* movaps */ | |
2816 | case 0x129: /* movapd */ | |
2817 | case 0x17f: /* movdqa ea, xmm */ | |
2818 | case 0x27f: /* movdqu ea, xmm */ | |
2819 | if (mod != 3) { | |
2820 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2821 | gen_sto_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg])); | |
2822 | } else { | |
2823 | rm = (modrm & 7) | REX_B(s); | |
2824 | gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]), | |
2825 | offsetof(CPUX86State,xmm_regs[reg])); | |
2826 | } | |
2827 | break; | |
2828 | case 0x211: /* movss ea, xmm */ | |
2829 | if (mod != 3) { | |
2830 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2831 | gen_op_movl_T0_env(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
2832 | gen_op_st_T0_A0[OT_LONG + s->mem_index](); | |
2833 | } else { | |
2834 | rm = (modrm & 7) | REX_B(s); | |
2835 | gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)), | |
2836 | offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); | |
2837 | } | |
2838 | break; | |
2839 | case 0x311: /* movsd ea, xmm */ | |
2840 | if (mod != 3) { | |
2841 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2842 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2843 | } else { | |
2844 | rm = (modrm & 7) | REX_B(s); | |
2845 | gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)), | |
2846 | offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2847 | } | |
2848 | break; | |
2849 | case 0x013: /* movlps */ | |
2850 | case 0x113: /* movlpd */ | |
2851 | if (mod != 3) { | |
2852 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2853 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
2854 | } else { | |
2855 | goto illegal_op; | |
2856 | } | |
2857 | break; | |
2858 | case 0x017: /* movhps */ | |
2859 | case 0x117: /* movhpd */ | |
2860 | if (mod != 3) { | |
2861 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2862 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
2863 | } else { | |
2864 | goto illegal_op; | |
2865 | } | |
2866 | break; | |
2867 | case 0x71: /* shift mm, im */ | |
2868 | case 0x72: | |
2869 | case 0x73: | |
2870 | case 0x171: /* shift xmm, im */ | |
2871 | case 0x172: | |
2872 | case 0x173: | |
2873 | val = ldub_code(s->pc++); | |
2874 | if (is_xmm) { | |
2875 | gen_op_movl_T0_im(val); | |
2876 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); | |
2877 | gen_op_movl_T0_0(); | |
2878 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(1))); | |
2879 | op1_offset = offsetof(CPUX86State,xmm_t0); | |
2880 | } else { | |
2881 | gen_op_movl_T0_im(val); | |
2882 | gen_op_movl_env_T0(offsetof(CPUX86State,mmx_t0.MMX_L(0))); | |
2883 | gen_op_movl_T0_0(); | |
2884 | gen_op_movl_env_T0(offsetof(CPUX86State,mmx_t0.MMX_L(1))); | |
2885 | op1_offset = offsetof(CPUX86State,mmx_t0); | |
2886 | } | |
2887 | sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1]; | |
2888 | if (!sse_op2) | |
2889 | goto illegal_op; | |
2890 | if (is_xmm) { | |
2891 | rm = (modrm & 7) | REX_B(s); | |
2892 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
2893 | } else { | |
2894 | rm = (modrm & 7); | |
2895 | op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); | |
2896 | } | |
2897 | sse_op2(op2_offset, op1_offset); | |
2898 | break; | |
2899 | case 0x050: /* movmskps */ | |
664e0f19 | 2900 | rm = (modrm & 7) | REX_B(s); |
31313213 FB |
2901 | gen_op_movmskps(offsetof(CPUX86State,xmm_regs[rm])); |
2902 | gen_op_mov_reg_T0[OT_LONG][reg](); | |
664e0f19 FB |
2903 | break; |
2904 | case 0x150: /* movmskpd */ | |
664e0f19 | 2905 | rm = (modrm & 7) | REX_B(s); |
31313213 FB |
2906 | gen_op_movmskpd(offsetof(CPUX86State,xmm_regs[rm])); |
2907 | gen_op_mov_reg_T0[OT_LONG][reg](); | |
664e0f19 FB |
2908 | break; |
2909 | case 0x02a: /* cvtpi2ps */ | |
2910 | case 0x12a: /* cvtpi2pd */ | |
2911 | gen_op_enter_mmx(); | |
2912 | if (mod != 3) { | |
2913 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2914 | op2_offset = offsetof(CPUX86State,mmx_t0); | |
2915 | gen_ldq_env_A0[s->mem_index >> 2](op2_offset); | |
2916 | } else { | |
2917 | rm = (modrm & 7); | |
2918 | op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); | |
2919 | } | |
2920 | op1_offset = offsetof(CPUX86State,xmm_regs[reg]); | |
2921 | switch(b >> 8) { | |
2922 | case 0x0: | |
2923 | gen_op_cvtpi2ps(op1_offset, op2_offset); | |
2924 | break; | |
2925 | default: | |
2926 | case 0x1: | |
2927 | gen_op_cvtpi2pd(op1_offset, op2_offset); | |
2928 | break; | |
2929 | } | |
2930 | break; | |
2931 | case 0x22a: /* cvtsi2ss */ | |
2932 | case 0x32a: /* cvtsi2sd */ | |
2933 | ot = (s->dflag == 2) ? OT_QUAD : OT_LONG; | |
2934 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); | |
2935 | op1_offset = offsetof(CPUX86State,xmm_regs[reg]); | |
2936 | sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)](op1_offset); | |
2937 | break; | |
2938 | case 0x02c: /* cvttps2pi */ | |
2939 | case 0x12c: /* cvttpd2pi */ | |
2940 | case 0x02d: /* cvtps2pi */ | |
2941 | case 0x12d: /* cvtpd2pi */ | |
2942 | gen_op_enter_mmx(); | |
2943 | if (mod != 3) { | |
2944 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2945 | op2_offset = offsetof(CPUX86State,xmm_t0); | |
2946 | gen_ldo_env_A0[s->mem_index >> 2](op2_offset); | |
2947 | } else { | |
2948 | rm = (modrm & 7) | REX_B(s); | |
2949 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
2950 | } | |
2951 | op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx); | |
2952 | switch(b) { | |
2953 | case 0x02c: | |
2954 | gen_op_cvttps2pi(op1_offset, op2_offset); | |
2955 | break; | |
2956 | case 0x12c: | |
2957 | gen_op_cvttpd2pi(op1_offset, op2_offset); | |
2958 | break; | |
2959 | case 0x02d: | |
2960 | gen_op_cvtps2pi(op1_offset, op2_offset); | |
2961 | break; | |
2962 | case 0x12d: | |
2963 | gen_op_cvtpd2pi(op1_offset, op2_offset); | |
2964 | break; | |
2965 | } | |
2966 | break; | |
2967 | case 0x22c: /* cvttss2si */ | |
2968 | case 0x32c: /* cvttsd2si */ | |
2969 | case 0x22d: /* cvtss2si */ | |
2970 | case 0x32d: /* cvtsd2si */ | |
2971 | ot = (s->dflag == 2) ? OT_QUAD : OT_LONG; | |
31313213 FB |
2972 | if (mod != 3) { |
2973 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
2974 | if ((b >> 8) & 1) { | |
2975 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_t0.XMM_Q(0))); | |
2976 | } else { | |
2977 | gen_op_ld_T0_A0[OT_LONG + s->mem_index](); | |
2978 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); | |
2979 | } | |
2980 | op2_offset = offsetof(CPUX86State,xmm_t0); | |
2981 | } else { | |
2982 | rm = (modrm & 7) | REX_B(s); | |
2983 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
2984 | } | |
664e0f19 | 2985 | sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 + |
31313213 FB |
2986 | (b & 1) * 4](op2_offset); |
2987 | gen_op_mov_reg_T0[ot][reg](); | |
664e0f19 FB |
2988 | break; |
2989 | case 0xc4: /* pinsrw */ | |
2990 | case 0x1c4: | |
d1e42c5c | 2991 | s->rip_offset = 1; |
664e0f19 FB |
2992 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
2993 | val = ldub_code(s->pc++); | |
2994 | if (b1) { | |
2995 | val &= 7; | |
2996 | gen_op_pinsrw_xmm(offsetof(CPUX86State,xmm_regs[reg]), val); | |
2997 | } else { | |
2998 | val &= 3; | |
2999 | gen_op_pinsrw_mmx(offsetof(CPUX86State,fpregs[reg].mmx), val); | |
3000 | } | |
3001 | break; | |
3002 | case 0xc5: /* pextrw */ | |
3003 | case 0x1c5: | |
3004 | if (mod != 3) | |
3005 | goto illegal_op; | |
3006 | val = ldub_code(s->pc++); | |
3007 | if (b1) { | |
3008 | val &= 7; | |
3009 | rm = (modrm & 7) | REX_B(s); | |
3010 | gen_op_pextrw_xmm(offsetof(CPUX86State,xmm_regs[rm]), val); | |
3011 | } else { | |
3012 | val &= 3; | |
3013 | rm = (modrm & 7); | |
3014 | gen_op_pextrw_mmx(offsetof(CPUX86State,fpregs[rm].mmx), val); | |
3015 | } | |
3016 | reg = ((modrm >> 3) & 7) | rex_r; | |
3017 | gen_op_mov_reg_T0[OT_LONG][reg](); | |
3018 | break; | |
3019 | case 0x1d6: /* movq ea, xmm */ | |
3020 | if (mod != 3) { | |
3021 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3022 | gen_stq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
3023 | } else { | |
3024 | rm = (modrm & 7) | REX_B(s); | |
3025 | gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)), | |
3026 | offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0))); | |
3027 | gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1))); | |
3028 | } | |
3029 | break; | |
3030 | case 0x2d6: /* movq2dq */ | |
3031 | gen_op_enter_mmx(); | |
480c1cdb FB |
3032 | rm = (modrm & 7); |
3033 | gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)), | |
3034 | offsetof(CPUX86State,fpregs[rm].mmx)); | |
3035 | gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1))); | |
664e0f19 FB |
3036 | break; |
3037 | case 0x3d6: /* movdq2q */ | |
3038 | gen_op_enter_mmx(); | |
480c1cdb FB |
3039 | rm = (modrm & 7) | REX_B(s); |
3040 | gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx), | |
3041 | offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0))); | |
664e0f19 FB |
3042 | break; |
3043 | case 0xd7: /* pmovmskb */ | |
3044 | case 0x1d7: | |
3045 | if (mod != 3) | |
3046 | goto illegal_op; | |
3047 | if (b1) { | |
3048 | rm = (modrm & 7) | REX_B(s); | |
3049 | gen_op_pmovmskb_xmm(offsetof(CPUX86State,xmm_regs[rm])); | |
3050 | } else { | |
3051 | rm = (modrm & 7); | |
3052 | gen_op_pmovmskb_mmx(offsetof(CPUX86State,fpregs[rm].mmx)); | |
3053 | } | |
3054 | reg = ((modrm >> 3) & 7) | rex_r; | |
3055 | gen_op_mov_reg_T0[OT_LONG][reg](); | |
3056 | break; | |
3057 | default: | |
3058 | goto illegal_op; | |
3059 | } | |
3060 | } else { | |
3061 | /* generic MMX or SSE operation */ | |
d1e42c5c FB |
3062 | switch(b) { |
3063 | case 0xf7: | |
664e0f19 FB |
3064 | /* maskmov : we must prepare A0 */ |
3065 | if (mod != 3) | |
3066 | goto illegal_op; | |
3067 | #ifdef TARGET_X86_64 | |
8f091a59 | 3068 | if (s->aflag == 2) { |
664e0f19 FB |
3069 | gen_op_movq_A0_reg[R_EDI](); |
3070 | } else | |
3071 | #endif | |
3072 | { | |
3073 | gen_op_movl_A0_reg[R_EDI](); | |
3074 | if (s->aflag == 0) | |
3075 | gen_op_andl_A0_ffff(); | |
3076 | } | |
3077 | gen_add_A0_ds_seg(s); | |
d1e42c5c FB |
3078 | break; |
3079 | case 0x70: /* pshufx insn */ | |
3080 | case 0xc6: /* pshufx insn */ | |
3081 | case 0xc2: /* compare insns */ | |
3082 | s->rip_offset = 1; | |
3083 | break; | |
3084 | default: | |
3085 | break; | |
664e0f19 FB |
3086 | } |
3087 | if (is_xmm) { | |
3088 | op1_offset = offsetof(CPUX86State,xmm_regs[reg]); | |
3089 | if (mod != 3) { | |
3090 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3091 | op2_offset = offsetof(CPUX86State,xmm_t0); | |
480c1cdb | 3092 | if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) || |
664e0f19 FB |
3093 | b == 0xc2)) { |
3094 | /* specific case for SSE single instructions */ | |
3095 | if (b1 == 2) { | |
3096 | /* 32 bit access */ | |
3097 | gen_op_ld_T0_A0[OT_LONG + s->mem_index](); | |
3098 | gen_op_movl_env_T0(offsetof(CPUX86State,xmm_t0.XMM_L(0))); | |
3099 | } else { | |
3100 | /* 64 bit access */ | |
3101 | gen_ldq_env_A0[s->mem_index >> 2](offsetof(CPUX86State,xmm_t0.XMM_D(0))); | |
3102 | } | |
3103 | } else { | |
3104 | gen_ldo_env_A0[s->mem_index >> 2](op2_offset); | |
3105 | } | |
3106 | } else { | |
3107 | rm = (modrm & 7) | REX_B(s); | |
3108 | op2_offset = offsetof(CPUX86State,xmm_regs[rm]); | |
3109 | } | |
3110 | } else { | |
3111 | op1_offset = offsetof(CPUX86State,fpregs[reg].mmx); | |
3112 | if (mod != 3) { | |
3113 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3114 | op2_offset = offsetof(CPUX86State,mmx_t0); | |
3115 | gen_ldq_env_A0[s->mem_index >> 2](op2_offset); | |
3116 | } else { | |
3117 | rm = (modrm & 7); | |
3118 | op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); | |
3119 | } | |
3120 | } | |
3121 | switch(b) { | |
3122 | case 0x70: /* pshufx insn */ | |
3123 | case 0xc6: /* pshufx insn */ | |
3124 | val = ldub_code(s->pc++); | |
3125 | sse_op3 = (GenOpFunc3 *)sse_op2; | |
3126 | sse_op3(op1_offset, op2_offset, val); | |
3127 | break; | |
3128 | case 0xc2: | |
3129 | /* compare insns */ | |
3130 | val = ldub_code(s->pc++); | |
3131 | if (val >= 8) | |
3132 | goto illegal_op; | |
3133 | sse_op2 = sse_op_table4[val][b1]; | |
3134 | sse_op2(op1_offset, op2_offset); | |
3135 | break; | |
3136 | default: | |
3137 | sse_op2(op1_offset, op2_offset); | |
3138 | break; | |
3139 | } | |
3140 | if (b == 0x2e || b == 0x2f) { | |
3141 | s->cc_op = CC_OP_EFLAGS; | |
3142 | } | |
3143 | } | |
3144 | } | |
3145 | ||
3146 | ||
2c0262af FB |
3147 | /* convert one instruction. s->is_jmp is set if the translation must |
3148 | be stopped. Return the next pc value */ | |
14ce26e7 | 3149 | static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
2c0262af FB |
3150 | { |
3151 | int b, prefixes, aflag, dflag; | |
3152 | int shift, ot; | |
3153 | int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val; | |
14ce26e7 FB |
3154 | target_ulong next_eip, tval; |
3155 | int rex_w, rex_r; | |
2c0262af FB |
3156 | |
3157 | s->pc = pc_start; | |
3158 | prefixes = 0; | |
3159 | aflag = s->code32; | |
3160 | dflag = s->code32; | |
3161 | s->override = -1; | |
14ce26e7 FB |
3162 | rex_w = -1; |
3163 | rex_r = 0; | |
3164 | #ifdef TARGET_X86_64 | |
3165 | s->rex_x = 0; | |
3166 | s->rex_b = 0; | |
3167 | x86_64_hregs = 0; | |
3168 | #endif | |
3169 | s->rip_offset = 0; /* for relative ip address */ | |
2c0262af | 3170 | next_byte: |
61382a50 | 3171 | b = ldub_code(s->pc); |
2c0262af FB |
3172 | s->pc++; |
3173 | /* check prefixes */ | |
14ce26e7 FB |
3174 | #ifdef TARGET_X86_64 |
3175 | if (CODE64(s)) { | |
3176 | switch (b) { | |
3177 | case 0xf3: | |
3178 | prefixes |= PREFIX_REPZ; | |
3179 | goto next_byte; | |
3180 | case 0xf2: | |
3181 | prefixes |= PREFIX_REPNZ; | |
3182 | goto next_byte; | |
3183 | case 0xf0: | |
3184 | prefixes |= PREFIX_LOCK; | |
3185 | goto next_byte; | |
3186 | case 0x2e: | |
3187 | s->override = R_CS; | |
3188 | goto next_byte; | |
3189 | case 0x36: | |
3190 | s->override = R_SS; | |
3191 | goto next_byte; | |
3192 | case 0x3e: | |
3193 | s->override = R_DS; | |
3194 | goto next_byte; | |
3195 | case 0x26: | |
3196 | s->override = R_ES; | |
3197 | goto next_byte; | |
3198 | case 0x64: | |
3199 | s->override = R_FS; | |
3200 | goto next_byte; | |
3201 | case 0x65: | |
3202 | s->override = R_GS; | |
3203 | goto next_byte; | |
3204 | case 0x66: | |
3205 | prefixes |= PREFIX_DATA; | |
3206 | goto next_byte; | |
3207 | case 0x67: | |
3208 | prefixes |= PREFIX_ADR; | |
3209 | goto next_byte; | |
3210 | case 0x40 ... 0x4f: | |
3211 | /* REX prefix */ | |
3212 | rex_w = (b >> 3) & 1; | |
3213 | rex_r = (b & 0x4) << 1; | |
3214 | s->rex_x = (b & 0x2) << 2; | |
3215 | REX_B(s) = (b & 0x1) << 3; | |
3216 | x86_64_hregs = 1; /* select uniform byte register addressing */ | |
3217 | goto next_byte; | |
3218 | } | |
3219 | if (rex_w == 1) { | |
3220 | /* 0x66 is ignored if rex.w is set */ | |
3221 | dflag = 2; | |
3222 | } else { | |
3223 | if (prefixes & PREFIX_DATA) | |
3224 | dflag ^= 1; | |
3225 | } | |
3226 | if (!(prefixes & PREFIX_ADR)) | |
3227 | aflag = 2; | |
3228 | } else | |
3229 | #endif | |
3230 | { | |
3231 | switch (b) { | |
3232 | case 0xf3: | |
3233 | prefixes |= PREFIX_REPZ; | |
3234 | goto next_byte; | |
3235 | case 0xf2: | |
3236 | prefixes |= PREFIX_REPNZ; | |
3237 | goto next_byte; | |
3238 | case 0xf0: | |
3239 | prefixes |= PREFIX_LOCK; | |
3240 | goto next_byte; | |
3241 | case 0x2e: | |
3242 | s->override = R_CS; | |
3243 | goto next_byte; | |
3244 | case 0x36: | |
3245 | s->override = R_SS; | |
3246 | goto next_byte; | |
3247 | case 0x3e: | |
3248 | s->override = R_DS; | |
3249 | goto next_byte; | |
3250 | case 0x26: | |
3251 | s->override = R_ES; | |
3252 | goto next_byte; | |
3253 | case 0x64: | |
3254 | s->override = R_FS; | |
3255 | goto next_byte; | |
3256 | case 0x65: | |
3257 | s->override = R_GS; | |
3258 | goto next_byte; | |
3259 | case 0x66: | |
3260 | prefixes |= PREFIX_DATA; | |
3261 | goto next_byte; | |
3262 | case 0x67: | |
3263 | prefixes |= PREFIX_ADR; | |
3264 | goto next_byte; | |
3265 | } | |
3266 | if (prefixes & PREFIX_DATA) | |
3267 | dflag ^= 1; | |
3268 | if (prefixes & PREFIX_ADR) | |
3269 | aflag ^= 1; | |
2c0262af FB |
3270 | } |
3271 | ||
2c0262af FB |
3272 | s->prefix = prefixes; |
3273 | s->aflag = aflag; | |
3274 | s->dflag = dflag; | |
3275 | ||
3276 | /* lock generation */ | |
3277 | if (prefixes & PREFIX_LOCK) | |
3278 | gen_op_lock(); | |
3279 | ||
3280 | /* now check op code */ | |
3281 | reswitch: | |
3282 | switch(b) { | |
3283 | case 0x0f: | |
3284 | /**************************/ | |
3285 | /* extended op code */ | |
61382a50 | 3286 | b = ldub_code(s->pc++) | 0x100; |
2c0262af FB |
3287 | goto reswitch; |
3288 | ||
3289 | /**************************/ | |
3290 | /* arith & logic */ | |
3291 | case 0x00 ... 0x05: | |
3292 | case 0x08 ... 0x0d: | |
3293 | case 0x10 ... 0x15: | |
3294 | case 0x18 ... 0x1d: | |
3295 | case 0x20 ... 0x25: | |
3296 | case 0x28 ... 0x2d: | |
3297 | case 0x30 ... 0x35: | |
3298 | case 0x38 ... 0x3d: | |
3299 | { | |
3300 | int op, f, val; | |
3301 | op = (b >> 3) & 7; | |
3302 | f = (b >> 1) & 3; | |
3303 | ||
3304 | if ((b & 1) == 0) | |
3305 | ot = OT_BYTE; | |
3306 | else | |
14ce26e7 | 3307 | ot = dflag + OT_WORD; |
2c0262af FB |
3308 | |
3309 | switch(f) { | |
3310 | case 0: /* OP Ev, Gv */ | |
61382a50 | 3311 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3312 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 3313 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3314 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3315 | if (mod != 3) { |
3316 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3317 | opreg = OR_TMP0; | |
3318 | } else if (op == OP_XORL && rm == reg) { | |
3319 | xor_zero: | |
3320 | /* xor reg, reg optimisation */ | |
3321 | gen_op_movl_T0_0(); | |
3322 | s->cc_op = CC_OP_LOGICB + ot; | |
3323 | gen_op_mov_reg_T0[ot][reg](); | |
3324 | gen_op_update1_cc(); | |
3325 | break; | |
3326 | } else { | |
3327 | opreg = rm; | |
3328 | } | |
3329 | gen_op_mov_TN_reg[ot][1][reg](); | |
3330 | gen_op(s, op, ot, opreg); | |
3331 | break; | |
3332 | case 1: /* OP Gv, Ev */ | |
61382a50 | 3333 | modrm = ldub_code(s->pc++); |
2c0262af | 3334 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
3335 | reg = ((modrm >> 3) & 7) | rex_r; |
3336 | rm = (modrm & 7) | REX_B(s); | |
2c0262af FB |
3337 | if (mod != 3) { |
3338 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3339 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
3340 | } else if (op == OP_XORL && rm == reg) { | |
3341 | goto xor_zero; | |
3342 | } else { | |
3343 | gen_op_mov_TN_reg[ot][1][rm](); | |
3344 | } | |
3345 | gen_op(s, op, ot, reg); | |
3346 | break; | |
3347 | case 2: /* OP A, Iv */ | |
3348 | val = insn_get(s, ot); | |
3349 | gen_op_movl_T1_im(val); | |
3350 | gen_op(s, op, ot, OR_EAX); | |
3351 | break; | |
3352 | } | |
3353 | } | |
3354 | break; | |
3355 | ||
3356 | case 0x80: /* GRP1 */ | |
3357 | case 0x81: | |
d64477af | 3358 | case 0x82: |
2c0262af FB |
3359 | case 0x83: |
3360 | { | |
3361 | int val; | |
3362 | ||
3363 | if ((b & 1) == 0) | |
3364 | ot = OT_BYTE; | |
3365 | else | |
14ce26e7 | 3366 | ot = dflag + OT_WORD; |
2c0262af | 3367 | |
61382a50 | 3368 | modrm = ldub_code(s->pc++); |
2c0262af | 3369 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3370 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3371 | op = (modrm >> 3) & 7; |
3372 | ||
3373 | if (mod != 3) { | |
14ce26e7 FB |
3374 | if (b == 0x83) |
3375 | s->rip_offset = 1; | |
3376 | else | |
3377 | s->rip_offset = insn_const_size(ot); | |
2c0262af FB |
3378 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3379 | opreg = OR_TMP0; | |
3380 | } else { | |
14ce26e7 | 3381 | opreg = rm; |
2c0262af FB |
3382 | } |
3383 | ||
3384 | switch(b) { | |
3385 | default: | |
3386 | case 0x80: | |
3387 | case 0x81: | |
d64477af | 3388 | case 0x82: |
2c0262af FB |
3389 | val = insn_get(s, ot); |
3390 | break; | |
3391 | case 0x83: | |
3392 | val = (int8_t)insn_get(s, OT_BYTE); | |
3393 | break; | |
3394 | } | |
3395 | gen_op_movl_T1_im(val); | |
3396 | gen_op(s, op, ot, opreg); | |
3397 | } | |
3398 | break; | |
3399 | ||
3400 | /**************************/ | |
3401 | /* inc, dec, and other misc arith */ | |
3402 | case 0x40 ... 0x47: /* inc Gv */ | |
3403 | ot = dflag ? OT_LONG : OT_WORD; | |
3404 | gen_inc(s, ot, OR_EAX + (b & 7), 1); | |
3405 | break; | |
3406 | case 0x48 ... 0x4f: /* dec Gv */ | |
3407 | ot = dflag ? OT_LONG : OT_WORD; | |
3408 | gen_inc(s, ot, OR_EAX + (b & 7), -1); | |
3409 | break; | |
3410 | case 0xf6: /* GRP3 */ | |
3411 | case 0xf7: | |
3412 | if ((b & 1) == 0) | |
3413 | ot = OT_BYTE; | |
3414 | else | |
14ce26e7 | 3415 | ot = dflag + OT_WORD; |
2c0262af | 3416 | |
61382a50 | 3417 | modrm = ldub_code(s->pc++); |
2c0262af | 3418 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3419 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3420 | op = (modrm >> 3) & 7; |
3421 | if (mod != 3) { | |
14ce26e7 FB |
3422 | if (op == 0) |
3423 | s->rip_offset = insn_const_size(ot); | |
2c0262af FB |
3424 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
3425 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
3426 | } else { | |
3427 | gen_op_mov_TN_reg[ot][0][rm](); | |
3428 | } | |
3429 | ||
3430 | switch(op) { | |
3431 | case 0: /* test */ | |
3432 | val = insn_get(s, ot); | |
3433 | gen_op_movl_T1_im(val); | |
3434 | gen_op_testl_T0_T1_cc(); | |
3435 | s->cc_op = CC_OP_LOGICB + ot; | |
3436 | break; | |
3437 | case 2: /* not */ | |
3438 | gen_op_notl_T0(); | |
3439 | if (mod != 3) { | |
3440 | gen_op_st_T0_A0[ot + s->mem_index](); | |
3441 | } else { | |
3442 | gen_op_mov_reg_T0[ot][rm](); | |
3443 | } | |
3444 | break; | |
3445 | case 3: /* neg */ | |
3446 | gen_op_negl_T0(); | |
3447 | if (mod != 3) { | |
3448 | gen_op_st_T0_A0[ot + s->mem_index](); | |
3449 | } else { | |
3450 | gen_op_mov_reg_T0[ot][rm](); | |
3451 | } | |
3452 | gen_op_update_neg_cc(); | |
3453 | s->cc_op = CC_OP_SUBB + ot; | |
3454 | break; | |
3455 | case 4: /* mul */ | |
3456 | switch(ot) { | |
3457 | case OT_BYTE: | |
3458 | gen_op_mulb_AL_T0(); | |
d36cd60e | 3459 | s->cc_op = CC_OP_MULB; |
2c0262af FB |
3460 | break; |
3461 | case OT_WORD: | |
3462 | gen_op_mulw_AX_T0(); | |
d36cd60e | 3463 | s->cc_op = CC_OP_MULW; |
2c0262af FB |
3464 | break; |
3465 | default: | |
3466 | case OT_LONG: | |
3467 | gen_op_mull_EAX_T0(); | |
d36cd60e | 3468 | s->cc_op = CC_OP_MULL; |
2c0262af | 3469 | break; |
14ce26e7 FB |
3470 | #ifdef TARGET_X86_64 |
3471 | case OT_QUAD: | |
3472 | gen_op_mulq_EAX_T0(); | |
3473 | s->cc_op = CC_OP_MULQ; | |
3474 | break; | |
3475 | #endif | |
2c0262af | 3476 | } |
2c0262af FB |
3477 | break; |
3478 | case 5: /* imul */ | |
3479 | switch(ot) { | |
3480 | case OT_BYTE: | |
3481 | gen_op_imulb_AL_T0(); | |
d36cd60e | 3482 | s->cc_op = CC_OP_MULB; |
2c0262af FB |
3483 | break; |
3484 | case OT_WORD: | |
3485 | gen_op_imulw_AX_T0(); | |
d36cd60e | 3486 | s->cc_op = CC_OP_MULW; |
2c0262af FB |
3487 | break; |
3488 | default: | |
3489 | case OT_LONG: | |
3490 | gen_op_imull_EAX_T0(); | |
d36cd60e | 3491 | s->cc_op = CC_OP_MULL; |
2c0262af | 3492 | break; |
14ce26e7 FB |
3493 | #ifdef TARGET_X86_64 |
3494 | case OT_QUAD: | |
3495 | gen_op_imulq_EAX_T0(); | |
3496 | s->cc_op = CC_OP_MULQ; | |
3497 | break; | |
3498 | #endif | |
2c0262af | 3499 | } |
2c0262af FB |
3500 | break; |
3501 | case 6: /* div */ | |
3502 | switch(ot) { | |
3503 | case OT_BYTE: | |
14ce26e7 FB |
3504 | gen_jmp_im(pc_start - s->cs_base); |
3505 | gen_op_divb_AL_T0(); | |
2c0262af FB |
3506 | break; |
3507 | case OT_WORD: | |
14ce26e7 FB |
3508 | gen_jmp_im(pc_start - s->cs_base); |
3509 | gen_op_divw_AX_T0(); | |
2c0262af FB |
3510 | break; |
3511 | default: | |
3512 | case OT_LONG: | |
14ce26e7 FB |
3513 | gen_jmp_im(pc_start - s->cs_base); |
3514 | gen_op_divl_EAX_T0(); | |
3515 | break; | |
3516 | #ifdef TARGET_X86_64 | |
3517 | case OT_QUAD: | |
3518 | gen_jmp_im(pc_start - s->cs_base); | |
3519 | gen_op_divq_EAX_T0(); | |
2c0262af | 3520 | break; |
14ce26e7 | 3521 | #endif |
2c0262af FB |
3522 | } |
3523 | break; | |
3524 | case 7: /* idiv */ | |
3525 | switch(ot) { | |
3526 | case OT_BYTE: | |
14ce26e7 FB |
3527 | gen_jmp_im(pc_start - s->cs_base); |
3528 | gen_op_idivb_AL_T0(); | |
2c0262af FB |
3529 | break; |
3530 | case OT_WORD: | |
14ce26e7 FB |
3531 | gen_jmp_im(pc_start - s->cs_base); |
3532 | gen_op_idivw_AX_T0(); | |
2c0262af FB |
3533 | break; |
3534 | default: | |
3535 | case OT_LONG: | |
14ce26e7 FB |
3536 | gen_jmp_im(pc_start - s->cs_base); |
3537 | gen_op_idivl_EAX_T0(); | |
3538 | break; | |
3539 | #ifdef TARGET_X86_64 | |
3540 | case OT_QUAD: | |
3541 | gen_jmp_im(pc_start - s->cs_base); | |
3542 | gen_op_idivq_EAX_T0(); | |
2c0262af | 3543 | break; |
14ce26e7 | 3544 | #endif |
2c0262af FB |
3545 | } |
3546 | break; | |
3547 | default: | |
3548 | goto illegal_op; | |
3549 | } | |
3550 | break; | |
3551 | ||
3552 | case 0xfe: /* GRP4 */ | |
3553 | case 0xff: /* GRP5 */ | |
3554 | if ((b & 1) == 0) | |
3555 | ot = OT_BYTE; | |
3556 | else | |
14ce26e7 | 3557 | ot = dflag + OT_WORD; |
2c0262af | 3558 | |
61382a50 | 3559 | modrm = ldub_code(s->pc++); |
2c0262af | 3560 | mod = (modrm >> 6) & 3; |
14ce26e7 | 3561 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3562 | op = (modrm >> 3) & 7; |
3563 | if (op >= 2 && b == 0xfe) { | |
3564 | goto illegal_op; | |
3565 | } | |
14ce26e7 | 3566 | if (CODE64(s)) { |
aba9d61e | 3567 | if (op == 2 || op == 4) { |
14ce26e7 FB |
3568 | /* operand size for jumps is 64 bit */ |
3569 | ot = OT_QUAD; | |
aba9d61e FB |
3570 | } else if (op == 3 || op == 5) { |
3571 | /* for call calls, the operand is 16 or 32 bit, even | |
3572 | in long mode */ | |
3573 | ot = dflag ? OT_LONG : OT_WORD; | |
14ce26e7 FB |
3574 | } else if (op == 6) { |
3575 | /* default push size is 64 bit */ | |
3576 | ot = dflag ? OT_QUAD : OT_WORD; | |
3577 | } | |
3578 | } | |
2c0262af FB |
3579 | if (mod != 3) { |
3580 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3581 | if (op >= 2 && op != 3 && op != 5) | |
3582 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
3583 | } else { | |
3584 | gen_op_mov_TN_reg[ot][0][rm](); | |
3585 | } | |
3586 | ||
3587 | switch(op) { | |
3588 | case 0: /* inc Ev */ | |
3589 | if (mod != 3) | |
3590 | opreg = OR_TMP0; | |
3591 | else | |
3592 | opreg = rm; | |
3593 | gen_inc(s, ot, opreg, 1); | |
3594 | break; | |
3595 | case 1: /* dec Ev */ | |
3596 | if (mod != 3) | |
3597 | opreg = OR_TMP0; | |
3598 | else | |
3599 | opreg = rm; | |
3600 | gen_inc(s, ot, opreg, -1); | |
3601 | break; | |
3602 | case 2: /* call Ev */ | |
4f31916f | 3603 | /* XXX: optimize if memory (no 'and' is necessary) */ |
2c0262af FB |
3604 | if (s->dflag == 0) |
3605 | gen_op_andl_T0_ffff(); | |
2c0262af | 3606 | next_eip = s->pc - s->cs_base; |
1ef38687 | 3607 | gen_movtl_T1_im(next_eip); |
4f31916f FB |
3608 | gen_push_T1(s); |
3609 | gen_op_jmp_T0(); | |
2c0262af FB |
3610 | gen_eob(s); |
3611 | break; | |
61382a50 | 3612 | case 3: /* lcall Ev */ |
2c0262af | 3613 | gen_op_ld_T1_A0[ot + s->mem_index](); |
aba9d61e | 3614 | gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
61382a50 | 3615 | gen_op_ldu_T0_A0[OT_WORD + s->mem_index](); |
2c0262af FB |
3616 | do_lcall: |
3617 | if (s->pe && !s->vm86) { | |
3618 | if (s->cc_op != CC_OP_DYNAMIC) | |
3619 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 3620 | gen_jmp_im(pc_start - s->cs_base); |
aba9d61e | 3621 | gen_op_lcall_protected_T0_T1(dflag, s->pc - pc_start); |
2c0262af FB |
3622 | } else { |
3623 | gen_op_lcall_real_T0_T1(dflag, s->pc - s->cs_base); | |
3624 | } | |
3625 | gen_eob(s); | |
3626 | break; | |
3627 | case 4: /* jmp Ev */ | |
3628 | if (s->dflag == 0) | |
3629 | gen_op_andl_T0_ffff(); | |
3630 | gen_op_jmp_T0(); | |
3631 | gen_eob(s); | |
3632 | break; | |
3633 | case 5: /* ljmp Ev */ | |
3634 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
aba9d61e | 3635 | gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
61382a50 | 3636 | gen_op_ldu_T0_A0[OT_WORD + s->mem_index](); |
2c0262af FB |
3637 | do_ljmp: |
3638 | if (s->pe && !s->vm86) { | |
3639 | if (s->cc_op != CC_OP_DYNAMIC) | |
3640 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 3641 | gen_jmp_im(pc_start - s->cs_base); |
aba9d61e | 3642 | gen_op_ljmp_protected_T0_T1(s->pc - pc_start); |
2c0262af FB |
3643 | } else { |
3644 | gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[R_CS])); | |
3645 | gen_op_movl_T0_T1(); | |
3646 | gen_op_jmp_T0(); | |
3647 | } | |
3648 | gen_eob(s); | |
3649 | break; | |
3650 | case 6: /* push Ev */ | |
3651 | gen_push_T0(s); | |
3652 | break; | |
3653 | default: | |
3654 | goto illegal_op; | |
3655 | } | |
3656 | break; | |
3657 | ||
3658 | case 0x84: /* test Ev, Gv */ | |
3659 | case 0x85: | |
3660 | if ((b & 1) == 0) | |
3661 | ot = OT_BYTE; | |
3662 | else | |
14ce26e7 | 3663 | ot = dflag + OT_WORD; |
2c0262af | 3664 | |
61382a50 | 3665 | modrm = ldub_code(s->pc++); |
2c0262af | 3666 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
3667 | rm = (modrm & 7) | REX_B(s); |
3668 | reg = ((modrm >> 3) & 7) | rex_r; | |
2c0262af FB |
3669 | |
3670 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); | |
14ce26e7 | 3671 | gen_op_mov_TN_reg[ot][1][reg](); |
2c0262af FB |
3672 | gen_op_testl_T0_T1_cc(); |
3673 | s->cc_op = CC_OP_LOGICB + ot; | |
3674 | break; | |
3675 | ||
3676 | case 0xa8: /* test eAX, Iv */ | |
3677 | case 0xa9: | |
3678 | if ((b & 1) == 0) | |
3679 | ot = OT_BYTE; | |
3680 | else | |
14ce26e7 | 3681 | ot = dflag + OT_WORD; |
2c0262af FB |
3682 | val = insn_get(s, ot); |
3683 | ||
3684 | gen_op_mov_TN_reg[ot][0][OR_EAX](); | |
3685 | gen_op_movl_T1_im(val); | |
3686 | gen_op_testl_T0_T1_cc(); | |
3687 | s->cc_op = CC_OP_LOGICB + ot; | |
3688 | break; | |
3689 | ||
3690 | case 0x98: /* CWDE/CBW */ | |
14ce26e7 FB |
3691 | #ifdef TARGET_X86_64 |
3692 | if (dflag == 2) { | |
3693 | gen_op_movslq_RAX_EAX(); | |
3694 | } else | |
3695 | #endif | |
3696 | if (dflag == 1) | |
2c0262af FB |
3697 | gen_op_movswl_EAX_AX(); |
3698 | else | |
3699 | gen_op_movsbw_AX_AL(); | |
3700 | break; | |
3701 | case 0x99: /* CDQ/CWD */ | |
14ce26e7 FB |
3702 | #ifdef TARGET_X86_64 |
3703 | if (dflag == 2) { | |
3704 | gen_op_movsqo_RDX_RAX(); | |
3705 | } else | |
3706 | #endif | |
3707 | if (dflag == 1) | |
2c0262af FB |
3708 | gen_op_movslq_EDX_EAX(); |
3709 | else | |
3710 | gen_op_movswl_DX_AX(); | |
3711 | break; | |
3712 | case 0x1af: /* imul Gv, Ev */ | |
3713 | case 0x69: /* imul Gv, Ev, I */ | |
3714 | case 0x6b: | |
14ce26e7 | 3715 | ot = dflag + OT_WORD; |
61382a50 | 3716 | modrm = ldub_code(s->pc++); |
14ce26e7 FB |
3717 | reg = ((modrm >> 3) & 7) | rex_r; |
3718 | if (b == 0x69) | |
3719 | s->rip_offset = insn_const_size(ot); | |
3720 | else if (b == 0x6b) | |
3721 | s->rip_offset = 1; | |
2c0262af FB |
3722 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
3723 | if (b == 0x69) { | |
3724 | val = insn_get(s, ot); | |
3725 | gen_op_movl_T1_im(val); | |
3726 | } else if (b == 0x6b) { | |
d64477af | 3727 | val = (int8_t)insn_get(s, OT_BYTE); |
2c0262af FB |
3728 | gen_op_movl_T1_im(val); |
3729 | } else { | |
3730 | gen_op_mov_TN_reg[ot][1][reg](); | |
3731 | } | |
3732 | ||
14ce26e7 FB |
3733 | #ifdef TARGET_X86_64 |
3734 | if (ot == OT_QUAD) { | |
3735 | gen_op_imulq_T0_T1(); | |
3736 | } else | |
3737 | #endif | |
2c0262af FB |
3738 | if (ot == OT_LONG) { |
3739 | gen_op_imull_T0_T1(); | |
3740 | } else { | |
3741 | gen_op_imulw_T0_T1(); | |
3742 | } | |
3743 | gen_op_mov_reg_T0[ot][reg](); | |
d36cd60e | 3744 | s->cc_op = CC_OP_MULB + ot; |
2c0262af FB |
3745 | break; |
3746 | case 0x1c0: | |
3747 | case 0x1c1: /* xadd Ev, Gv */ | |
3748 | if ((b & 1) == 0) | |
3749 | ot = OT_BYTE; | |
3750 | else | |
14ce26e7 | 3751 | ot = dflag + OT_WORD; |
61382a50 | 3752 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3753 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
3754 | mod = (modrm >> 6) & 3; |
3755 | if (mod == 3) { | |
14ce26e7 | 3756 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3757 | gen_op_mov_TN_reg[ot][0][reg](); |
3758 | gen_op_mov_TN_reg[ot][1][rm](); | |
3759 | gen_op_addl_T0_T1(); | |
2c0262af | 3760 | gen_op_mov_reg_T1[ot][reg](); |
5a1388b6 | 3761 | gen_op_mov_reg_T0[ot][rm](); |
2c0262af FB |
3762 | } else { |
3763 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3764 | gen_op_mov_TN_reg[ot][0][reg](); | |
3765 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
3766 | gen_op_addl_T0_T1(); | |
3767 | gen_op_st_T0_A0[ot + s->mem_index](); | |
3768 | gen_op_mov_reg_T1[ot][reg](); | |
3769 | } | |
3770 | gen_op_update2_cc(); | |
3771 | s->cc_op = CC_OP_ADDB + ot; | |
3772 | break; | |
3773 | case 0x1b0: | |
3774 | case 0x1b1: /* cmpxchg Ev, Gv */ | |
3775 | if ((b & 1) == 0) | |
3776 | ot = OT_BYTE; | |
3777 | else | |
14ce26e7 | 3778 | ot = dflag + OT_WORD; |
61382a50 | 3779 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3780 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
3781 | mod = (modrm >> 6) & 3; |
3782 | gen_op_mov_TN_reg[ot][1][reg](); | |
3783 | if (mod == 3) { | |
14ce26e7 | 3784 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
3785 | gen_op_mov_TN_reg[ot][0][rm](); |
3786 | gen_op_cmpxchg_T0_T1_EAX_cc[ot](); | |
3787 | gen_op_mov_reg_T0[ot][rm](); | |
3788 | } else { | |
3789 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3790 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
4f31916f | 3791 | gen_op_cmpxchg_mem_T0_T1_EAX_cc[ot + s->mem_index](); |
2c0262af FB |
3792 | } |
3793 | s->cc_op = CC_OP_SUBB + ot; | |
3794 | break; | |
3795 | case 0x1c7: /* cmpxchg8b */ | |
61382a50 | 3796 | modrm = ldub_code(s->pc++); |
2c0262af FB |
3797 | mod = (modrm >> 6) & 3; |
3798 | if (mod == 3) | |
3799 | goto illegal_op; | |
3800 | if (s->cc_op != CC_OP_DYNAMIC) | |
3801 | gen_op_set_cc_op(s->cc_op); | |
3802 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3803 | gen_op_cmpxchg8b(); | |
3804 | s->cc_op = CC_OP_EFLAGS; | |
3805 | break; | |
3806 | ||
3807 | /**************************/ | |
3808 | /* push/pop */ | |
3809 | case 0x50 ... 0x57: /* push */ | |
14ce26e7 | 3810 | gen_op_mov_TN_reg[OT_LONG][0][(b & 7) | REX_B(s)](); |
2c0262af FB |
3811 | gen_push_T0(s); |
3812 | break; | |
3813 | case 0x58 ... 0x5f: /* pop */ | |
14ce26e7 FB |
3814 | if (CODE64(s)) { |
3815 | ot = dflag ? OT_QUAD : OT_WORD; | |
3816 | } else { | |
3817 | ot = dflag + OT_WORD; | |
3818 | } | |
2c0262af | 3819 | gen_pop_T0(s); |
77729c24 | 3820 | /* NOTE: order is important for pop %sp */ |
2c0262af | 3821 | gen_pop_update(s); |
14ce26e7 | 3822 | gen_op_mov_reg_T0[ot][(b & 7) | REX_B(s)](); |
2c0262af FB |
3823 | break; |
3824 | case 0x60: /* pusha */ | |
14ce26e7 FB |
3825 | if (CODE64(s)) |
3826 | goto illegal_op; | |
2c0262af FB |
3827 | gen_pusha(s); |
3828 | break; | |
3829 | case 0x61: /* popa */ | |
14ce26e7 FB |
3830 | if (CODE64(s)) |
3831 | goto illegal_op; | |
2c0262af FB |
3832 | gen_popa(s); |
3833 | break; | |
3834 | case 0x68: /* push Iv */ | |
3835 | case 0x6a: | |
14ce26e7 FB |
3836 | if (CODE64(s)) { |
3837 | ot = dflag ? OT_QUAD : OT_WORD; | |
3838 | } else { | |
3839 | ot = dflag + OT_WORD; | |
3840 | } | |
2c0262af FB |
3841 | if (b == 0x68) |
3842 | val = insn_get(s, ot); | |
3843 | else | |
3844 | val = (int8_t)insn_get(s, OT_BYTE); | |
3845 | gen_op_movl_T0_im(val); | |
3846 | gen_push_T0(s); | |
3847 | break; | |
3848 | case 0x8f: /* pop Ev */ | |
14ce26e7 FB |
3849 | if (CODE64(s)) { |
3850 | ot = dflag ? OT_QUAD : OT_WORD; | |
3851 | } else { | |
3852 | ot = dflag + OT_WORD; | |
3853 | } | |
61382a50 | 3854 | modrm = ldub_code(s->pc++); |
77729c24 | 3855 | mod = (modrm >> 6) & 3; |
2c0262af | 3856 | gen_pop_T0(s); |
77729c24 FB |
3857 | if (mod == 3) { |
3858 | /* NOTE: order is important for pop %sp */ | |
3859 | gen_pop_update(s); | |
14ce26e7 | 3860 | rm = (modrm & 7) | REX_B(s); |
77729c24 FB |
3861 | gen_op_mov_reg_T0[ot][rm](); |
3862 | } else { | |
3863 | /* NOTE: order is important too for MMU exceptions */ | |
14ce26e7 | 3864 | s->popl_esp_hack = 1 << ot; |
77729c24 FB |
3865 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
3866 | s->popl_esp_hack = 0; | |
3867 | gen_pop_update(s); | |
3868 | } | |
2c0262af FB |
3869 | break; |
3870 | case 0xc8: /* enter */ | |
3871 | { | |
3872 | int level; | |
61382a50 | 3873 | val = lduw_code(s->pc); |
2c0262af | 3874 | s->pc += 2; |
61382a50 | 3875 | level = ldub_code(s->pc++); |
2c0262af FB |
3876 | gen_enter(s, val, level); |
3877 | } | |
3878 | break; | |
3879 | case 0xc9: /* leave */ | |
3880 | /* XXX: exception not precise (ESP is updated before potential exception) */ | |
14ce26e7 FB |
3881 | if (CODE64(s)) { |
3882 | gen_op_mov_TN_reg[OT_QUAD][0][R_EBP](); | |
3883 | gen_op_mov_reg_T0[OT_QUAD][R_ESP](); | |
3884 | } else if (s->ss32) { | |
2c0262af FB |
3885 | gen_op_mov_TN_reg[OT_LONG][0][R_EBP](); |
3886 | gen_op_mov_reg_T0[OT_LONG][R_ESP](); | |
3887 | } else { | |
3888 | gen_op_mov_TN_reg[OT_WORD][0][R_EBP](); | |
3889 | gen_op_mov_reg_T0[OT_WORD][R_ESP](); | |
3890 | } | |
3891 | gen_pop_T0(s); | |
14ce26e7 FB |
3892 | if (CODE64(s)) { |
3893 | ot = dflag ? OT_QUAD : OT_WORD; | |
3894 | } else { | |
3895 | ot = dflag + OT_WORD; | |
3896 | } | |
2c0262af FB |
3897 | gen_op_mov_reg_T0[ot][R_EBP](); |
3898 | gen_pop_update(s); | |
3899 | break; | |
3900 | case 0x06: /* push es */ | |
3901 | case 0x0e: /* push cs */ | |
3902 | case 0x16: /* push ss */ | |
3903 | case 0x1e: /* push ds */ | |
14ce26e7 FB |
3904 | if (CODE64(s)) |
3905 | goto illegal_op; | |
2c0262af FB |
3906 | gen_op_movl_T0_seg(b >> 3); |
3907 | gen_push_T0(s); | |
3908 | break; | |
3909 | case 0x1a0: /* push fs */ | |
3910 | case 0x1a8: /* push gs */ | |
3911 | gen_op_movl_T0_seg((b >> 3) & 7); | |
3912 | gen_push_T0(s); | |
3913 | break; | |
3914 | case 0x07: /* pop es */ | |
3915 | case 0x17: /* pop ss */ | |
3916 | case 0x1f: /* pop ds */ | |
14ce26e7 FB |
3917 | if (CODE64(s)) |
3918 | goto illegal_op; | |
2c0262af FB |
3919 | reg = b >> 3; |
3920 | gen_pop_T0(s); | |
3921 | gen_movl_seg_T0(s, reg, pc_start - s->cs_base); | |
3922 | gen_pop_update(s); | |
3923 | if (reg == R_SS) { | |
a2cc3b24 FB |
3924 | /* if reg == SS, inhibit interrupts/trace. */ |
3925 | /* If several instructions disable interrupts, only the | |
3926 | _first_ does it */ | |
3927 | if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) | |
3928 | gen_op_set_inhibit_irq(); | |
2c0262af FB |
3929 | s->tf = 0; |
3930 | } | |
3931 | if (s->is_jmp) { | |
14ce26e7 | 3932 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
3933 | gen_eob(s); |
3934 | } | |
3935 | break; | |
3936 | case 0x1a1: /* pop fs */ | |
3937 | case 0x1a9: /* pop gs */ | |
3938 | gen_pop_T0(s); | |
3939 | gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base); | |
3940 | gen_pop_update(s); | |
3941 | if (s->is_jmp) { | |
14ce26e7 | 3942 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
3943 | gen_eob(s); |
3944 | } | |
3945 | break; | |
3946 | ||
3947 | /**************************/ | |
3948 | /* mov */ | |
3949 | case 0x88: | |
3950 | case 0x89: /* mov Gv, Ev */ | |
3951 | if ((b & 1) == 0) | |
3952 | ot = OT_BYTE; | |
3953 | else | |
14ce26e7 | 3954 | ot = dflag + OT_WORD; |
61382a50 | 3955 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3956 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
3957 | |
3958 | /* generate a generic store */ | |
14ce26e7 | 3959 | gen_ldst_modrm(s, modrm, ot, reg, 1); |
2c0262af FB |
3960 | break; |
3961 | case 0xc6: | |
3962 | case 0xc7: /* mov Ev, Iv */ | |
3963 | if ((b & 1) == 0) | |
3964 | ot = OT_BYTE; | |
3965 | else | |
14ce26e7 | 3966 | ot = dflag + OT_WORD; |
61382a50 | 3967 | modrm = ldub_code(s->pc++); |
2c0262af | 3968 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
3969 | if (mod != 3) { |
3970 | s->rip_offset = insn_const_size(ot); | |
2c0262af | 3971 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
14ce26e7 | 3972 | } |
2c0262af FB |
3973 | val = insn_get(s, ot); |
3974 | gen_op_movl_T0_im(val); | |
3975 | if (mod != 3) | |
3976 | gen_op_st_T0_A0[ot + s->mem_index](); | |
3977 | else | |
14ce26e7 | 3978 | gen_op_mov_reg_T0[ot][(modrm & 7) | REX_B(s)](); |
2c0262af FB |
3979 | break; |
3980 | case 0x8a: | |
3981 | case 0x8b: /* mov Ev, Gv */ | |
3982 | if ((b & 1) == 0) | |
3983 | ot = OT_BYTE; | |
3984 | else | |
14ce26e7 | 3985 | ot = OT_WORD + dflag; |
61382a50 | 3986 | modrm = ldub_code(s->pc++); |
14ce26e7 | 3987 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
3988 | |
3989 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); | |
3990 | gen_op_mov_reg_T0[ot][reg](); | |
3991 | break; | |
3992 | case 0x8e: /* mov seg, Gv */ | |
61382a50 | 3993 | modrm = ldub_code(s->pc++); |
2c0262af FB |
3994 | reg = (modrm >> 3) & 7; |
3995 | if (reg >= 6 || reg == R_CS) | |
3996 | goto illegal_op; | |
3997 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
3998 | gen_movl_seg_T0(s, reg, pc_start - s->cs_base); | |
3999 | if (reg == R_SS) { | |
4000 | /* if reg == SS, inhibit interrupts/trace */ | |
a2cc3b24 FB |
4001 | /* If several instructions disable interrupts, only the |
4002 | _first_ does it */ | |
4003 | if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) | |
4004 | gen_op_set_inhibit_irq(); | |
2c0262af FB |
4005 | s->tf = 0; |
4006 | } | |
4007 | if (s->is_jmp) { | |
14ce26e7 | 4008 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
4009 | gen_eob(s); |
4010 | } | |
4011 | break; | |
4012 | case 0x8c: /* mov Gv, seg */ | |
61382a50 | 4013 | modrm = ldub_code(s->pc++); |
2c0262af FB |
4014 | reg = (modrm >> 3) & 7; |
4015 | mod = (modrm >> 6) & 3; | |
4016 | if (reg >= 6) | |
4017 | goto illegal_op; | |
4018 | gen_op_movl_T0_seg(reg); | |
14ce26e7 FB |
4019 | if (mod == 3) |
4020 | ot = OT_WORD + dflag; | |
4021 | else | |
4022 | ot = OT_WORD; | |
2c0262af FB |
4023 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); |
4024 | break; | |
4025 | ||
4026 | case 0x1b6: /* movzbS Gv, Eb */ | |
4027 | case 0x1b7: /* movzwS Gv, Eb */ | |
4028 | case 0x1be: /* movsbS Gv, Eb */ | |
4029 | case 0x1bf: /* movswS Gv, Eb */ | |
4030 | { | |
4031 | int d_ot; | |
4032 | /* d_ot is the size of destination */ | |
4033 | d_ot = dflag + OT_WORD; | |
4034 | /* ot is the size of source */ | |
4035 | ot = (b & 1) + OT_BYTE; | |
61382a50 | 4036 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4037 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 4038 | mod = (modrm >> 6) & 3; |
14ce26e7 | 4039 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
4040 | |
4041 | if (mod == 3) { | |
4042 | gen_op_mov_TN_reg[ot][0][rm](); | |
4043 | switch(ot | (b & 8)) { | |
4044 | case OT_BYTE: | |
4045 | gen_op_movzbl_T0_T0(); | |
4046 | break; | |
4047 | case OT_BYTE | 8: | |
4048 | gen_op_movsbl_T0_T0(); | |
4049 | break; | |
4050 | case OT_WORD: | |
4051 | gen_op_movzwl_T0_T0(); | |
4052 | break; | |
4053 | default: | |
4054 | case OT_WORD | 8: | |
4055 | gen_op_movswl_T0_T0(); | |
4056 | break; | |
4057 | } | |
4058 | gen_op_mov_reg_T0[d_ot][reg](); | |
4059 | } else { | |
4060 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4061 | if (b & 8) { | |
4062 | gen_op_lds_T0_A0[ot + s->mem_index](); | |
4063 | } else { | |
4064 | gen_op_ldu_T0_A0[ot + s->mem_index](); | |
4065 | } | |
4066 | gen_op_mov_reg_T0[d_ot][reg](); | |
4067 | } | |
4068 | } | |
4069 | break; | |
4070 | ||
4071 | case 0x8d: /* lea */ | |
14ce26e7 | 4072 | ot = dflag + OT_WORD; |
61382a50 | 4073 | modrm = ldub_code(s->pc++); |
3a1d9b8b FB |
4074 | mod = (modrm >> 6) & 3; |
4075 | if (mod == 3) | |
4076 | goto illegal_op; | |
14ce26e7 | 4077 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
4078 | /* we must ensure that no segment is added */ |
4079 | s->override = -1; | |
4080 | val = s->addseg; | |
4081 | s->addseg = 0; | |
4082 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4083 | s->addseg = val; | |
4084 | gen_op_mov_reg_A0[ot - OT_WORD][reg](); | |
4085 | break; | |
4086 | ||
4087 | case 0xa0: /* mov EAX, Ov */ | |
4088 | case 0xa1: | |
4089 | case 0xa2: /* mov Ov, EAX */ | |
4090 | case 0xa3: | |
2c0262af | 4091 | { |
14ce26e7 FB |
4092 | target_ulong offset_addr; |
4093 | ||
4094 | if ((b & 1) == 0) | |
4095 | ot = OT_BYTE; | |
4096 | else | |
4097 | ot = dflag + OT_WORD; | |
4098 | #ifdef TARGET_X86_64 | |
8f091a59 | 4099 | if (s->aflag == 2) { |
14ce26e7 FB |
4100 | offset_addr = ldq_code(s->pc); |
4101 | s->pc += 8; | |
4102 | if (offset_addr == (int32_t)offset_addr) | |
4103 | gen_op_movq_A0_im(offset_addr); | |
4104 | else | |
4105 | gen_op_movq_A0_im64(offset_addr >> 32, offset_addr); | |
4106 | } else | |
4107 | #endif | |
4108 | { | |
4109 | if (s->aflag) { | |
4110 | offset_addr = insn_get(s, OT_LONG); | |
4111 | } else { | |
4112 | offset_addr = insn_get(s, OT_WORD); | |
4113 | } | |
4114 | gen_op_movl_A0_im(offset_addr); | |
4115 | } | |
664e0f19 | 4116 | gen_add_A0_ds_seg(s); |
14ce26e7 FB |
4117 | if ((b & 2) == 0) { |
4118 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
4119 | gen_op_mov_reg_T0[ot][R_EAX](); | |
4120 | } else { | |
4121 | gen_op_mov_TN_reg[ot][0][R_EAX](); | |
4122 | gen_op_st_T0_A0[ot + s->mem_index](); | |
2c0262af FB |
4123 | } |
4124 | } | |
2c0262af FB |
4125 | break; |
4126 | case 0xd7: /* xlat */ | |
14ce26e7 | 4127 | #ifdef TARGET_X86_64 |
8f091a59 | 4128 | if (s->aflag == 2) { |
14ce26e7 FB |
4129 | gen_op_movq_A0_reg[R_EBX](); |
4130 | gen_op_addq_A0_AL(); | |
4131 | } else | |
4132 | #endif | |
4133 | { | |
4134 | gen_op_movl_A0_reg[R_EBX](); | |
4135 | gen_op_addl_A0_AL(); | |
4136 | if (s->aflag == 0) | |
4137 | gen_op_andl_A0_ffff(); | |
4138 | } | |
664e0f19 | 4139 | gen_add_A0_ds_seg(s); |
2c0262af FB |
4140 | gen_op_ldu_T0_A0[OT_BYTE + s->mem_index](); |
4141 | gen_op_mov_reg_T0[OT_BYTE][R_EAX](); | |
4142 | break; | |
4143 | case 0xb0 ... 0xb7: /* mov R, Ib */ | |
4144 | val = insn_get(s, OT_BYTE); | |
4145 | gen_op_movl_T0_im(val); | |
14ce26e7 | 4146 | gen_op_mov_reg_T0[OT_BYTE][(b & 7) | REX_B(s)](); |
2c0262af FB |
4147 | break; |
4148 | case 0xb8 ... 0xbf: /* mov R, Iv */ | |
14ce26e7 FB |
4149 | #ifdef TARGET_X86_64 |
4150 | if (dflag == 2) { | |
4151 | uint64_t tmp; | |
4152 | /* 64 bit case */ | |
4153 | tmp = ldq_code(s->pc); | |
4154 | s->pc += 8; | |
4155 | reg = (b & 7) | REX_B(s); | |
4156 | gen_movtl_T0_im(tmp); | |
4157 | gen_op_mov_reg_T0[OT_QUAD][reg](); | |
4158 | } else | |
4159 | #endif | |
4160 | { | |
4161 | ot = dflag ? OT_LONG : OT_WORD; | |
4162 | val = insn_get(s, ot); | |
4163 | reg = (b & 7) | REX_B(s); | |
4164 | gen_op_movl_T0_im(val); | |
4165 | gen_op_mov_reg_T0[ot][reg](); | |
4166 | } | |
2c0262af FB |
4167 | break; |
4168 | ||
4169 | case 0x91 ... 0x97: /* xchg R, EAX */ | |
14ce26e7 FB |
4170 | ot = dflag + OT_WORD; |
4171 | reg = (b & 7) | REX_B(s); | |
2c0262af FB |
4172 | rm = R_EAX; |
4173 | goto do_xchg_reg; | |
4174 | case 0x86: | |
4175 | case 0x87: /* xchg Ev, Gv */ | |
4176 | if ((b & 1) == 0) | |
4177 | ot = OT_BYTE; | |
4178 | else | |
14ce26e7 | 4179 | ot = dflag + OT_WORD; |
61382a50 | 4180 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4181 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
4182 | mod = (modrm >> 6) & 3; |
4183 | if (mod == 3) { | |
14ce26e7 | 4184 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
4185 | do_xchg_reg: |
4186 | gen_op_mov_TN_reg[ot][0][reg](); | |
4187 | gen_op_mov_TN_reg[ot][1][rm](); | |
4188 | gen_op_mov_reg_T0[ot][rm](); | |
4189 | gen_op_mov_reg_T1[ot][reg](); | |
4190 | } else { | |
4191 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4192 | gen_op_mov_TN_reg[ot][0][reg](); | |
4193 | /* for xchg, lock is implicit */ | |
4194 | if (!(prefixes & PREFIX_LOCK)) | |
4195 | gen_op_lock(); | |
4196 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
4197 | gen_op_st_T0_A0[ot + s->mem_index](); | |
4198 | if (!(prefixes & PREFIX_LOCK)) | |
4199 | gen_op_unlock(); | |
4200 | gen_op_mov_reg_T1[ot][reg](); | |
4201 | } | |
4202 | break; | |
4203 | case 0xc4: /* les Gv */ | |
14ce26e7 FB |
4204 | if (CODE64(s)) |
4205 | goto illegal_op; | |
2c0262af FB |
4206 | op = R_ES; |
4207 | goto do_lxx; | |
4208 | case 0xc5: /* lds Gv */ | |
14ce26e7 FB |
4209 | if (CODE64(s)) |
4210 | goto illegal_op; | |
2c0262af FB |
4211 | op = R_DS; |
4212 | goto do_lxx; | |
4213 | case 0x1b2: /* lss Gv */ | |
4214 | op = R_SS; | |
4215 | goto do_lxx; | |
4216 | case 0x1b4: /* lfs Gv */ | |
4217 | op = R_FS; | |
4218 | goto do_lxx; | |
4219 | case 0x1b5: /* lgs Gv */ | |
4220 | op = R_GS; | |
4221 | do_lxx: | |
4222 | ot = dflag ? OT_LONG : OT_WORD; | |
61382a50 | 4223 | modrm = ldub_code(s->pc++); |
14ce26e7 | 4224 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
4225 | mod = (modrm >> 6) & 3; |
4226 | if (mod == 3) | |
4227 | goto illegal_op; | |
4228 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4229 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
aba9d61e | 4230 | gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
2c0262af | 4231 | /* load the segment first to handle exceptions properly */ |
61382a50 | 4232 | gen_op_ldu_T0_A0[OT_WORD + s->mem_index](); |
2c0262af FB |
4233 | gen_movl_seg_T0(s, op, pc_start - s->cs_base); |
4234 | /* then put the data */ | |
4235 | gen_op_mov_reg_T1[ot][reg](); | |
4236 | if (s->is_jmp) { | |
14ce26e7 | 4237 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
4238 | gen_eob(s); |
4239 | } | |
4240 | break; | |
4241 | ||
4242 | /************************/ | |
4243 | /* shifts */ | |
4244 | case 0xc0: | |
4245 | case 0xc1: | |
4246 | /* shift Ev,Ib */ | |
4247 | shift = 2; | |
4248 | grp2: | |
4249 | { | |
4250 | if ((b & 1) == 0) | |
4251 | ot = OT_BYTE; | |
4252 | else | |
14ce26e7 | 4253 | ot = dflag + OT_WORD; |
2c0262af | 4254 | |
61382a50 | 4255 | modrm = ldub_code(s->pc++); |
2c0262af | 4256 | mod = (modrm >> 6) & 3; |
2c0262af FB |
4257 | op = (modrm >> 3) & 7; |
4258 | ||
4259 | if (mod != 3) { | |
14ce26e7 FB |
4260 | if (shift == 2) { |
4261 | s->rip_offset = 1; | |
4262 | } | |
2c0262af FB |
4263 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
4264 | opreg = OR_TMP0; | |
4265 | } else { | |
14ce26e7 | 4266 | opreg = (modrm & 7) | REX_B(s); |
2c0262af FB |
4267 | } |
4268 | ||
4269 | /* simpler op */ | |
4270 | if (shift == 0) { | |
4271 | gen_shift(s, op, ot, opreg, OR_ECX); | |
4272 | } else { | |
4273 | if (shift == 2) { | |
61382a50 | 4274 | shift = ldub_code(s->pc++); |
2c0262af FB |
4275 | } |
4276 | gen_shifti(s, op, ot, opreg, shift); | |
4277 | } | |
4278 | } | |
4279 | break; | |
4280 | case 0xd0: | |
4281 | case 0xd1: | |
4282 | /* shift Ev,1 */ | |
4283 | shift = 1; | |
4284 | goto grp2; | |
4285 | case 0xd2: | |
4286 | case 0xd3: | |
4287 | /* shift Ev,cl */ | |
4288 | shift = 0; | |
4289 | goto grp2; | |
4290 | ||
4291 | case 0x1a4: /* shld imm */ | |
4292 | op = 0; | |
4293 | shift = 1; | |
4294 | goto do_shiftd; | |
4295 | case 0x1a5: /* shld cl */ | |
4296 | op = 0; | |
4297 | shift = 0; | |
4298 | goto do_shiftd; | |
4299 | case 0x1ac: /* shrd imm */ | |
4300 | op = 1; | |
4301 | shift = 1; | |
4302 | goto do_shiftd; | |
4303 | case 0x1ad: /* shrd cl */ | |
4304 | op = 1; | |
4305 | shift = 0; | |
4306 | do_shiftd: | |
14ce26e7 | 4307 | ot = dflag + OT_WORD; |
61382a50 | 4308 | modrm = ldub_code(s->pc++); |
2c0262af | 4309 | mod = (modrm >> 6) & 3; |
14ce26e7 FB |
4310 | rm = (modrm & 7) | REX_B(s); |
4311 | reg = ((modrm >> 3) & 7) | rex_r; | |
2c0262af FB |
4312 | |
4313 | if (mod != 3) { | |
4314 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4315 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
4316 | } else { | |
4317 | gen_op_mov_TN_reg[ot][0][rm](); | |
4318 | } | |
4319 | gen_op_mov_TN_reg[ot][1][reg](); | |
4320 | ||
4321 | if (shift) { | |
61382a50 | 4322 | val = ldub_code(s->pc++); |
14ce26e7 FB |
4323 | if (ot == OT_QUAD) |
4324 | val &= 0x3f; | |
4325 | else | |
4326 | val &= 0x1f; | |
2c0262af FB |
4327 | if (val) { |
4328 | if (mod == 3) | |
4f31916f | 4329 | gen_op_shiftd_T0_T1_im_cc[ot][op](val); |
2c0262af | 4330 | else |
4f31916f | 4331 | gen_op_shiftd_mem_T0_T1_im_cc[ot + s->mem_index][op](val); |
2c0262af FB |
4332 | if (op == 0 && ot != OT_WORD) |
4333 | s->cc_op = CC_OP_SHLB + ot; | |
4334 | else | |
4335 | s->cc_op = CC_OP_SARB + ot; | |
4336 | } | |
4337 | } else { | |
4338 | if (s->cc_op != CC_OP_DYNAMIC) | |
4339 | gen_op_set_cc_op(s->cc_op); | |
4340 | if (mod == 3) | |
4f31916f | 4341 | gen_op_shiftd_T0_T1_ECX_cc[ot][op](); |
2c0262af | 4342 | else |
4f31916f | 4343 | gen_op_shiftd_mem_T0_T1_ECX_cc[ot + s->mem_index][op](); |
2c0262af FB |
4344 | s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ |
4345 | } | |
4346 | if (mod == 3) { | |
4347 | gen_op_mov_reg_T0[ot][rm](); | |
4348 | } | |
4349 | break; | |
4350 | ||
4351 | /************************/ | |
4352 | /* floats */ | |
4353 | case 0xd8 ... 0xdf: | |
7eee2a50 FB |
4354 | if (s->flags & (HF_EM_MASK | HF_TS_MASK)) { |
4355 | /* if CR0.EM or CR0.TS are set, generate an FPU exception */ | |
4356 | /* XXX: what to do if illegal op ? */ | |
4357 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
4358 | break; | |
4359 | } | |
61382a50 | 4360 | modrm = ldub_code(s->pc++); |
2c0262af FB |
4361 | mod = (modrm >> 6) & 3; |
4362 | rm = modrm & 7; | |
4363 | op = ((b & 7) << 3) | ((modrm >> 3) & 7); | |
2c0262af FB |
4364 | if (mod != 3) { |
4365 | /* memory op */ | |
4366 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
4367 | switch(op) { | |
4368 | case 0x00 ... 0x07: /* fxxxs */ | |
4369 | case 0x10 ... 0x17: /* fixxxl */ | |
4370 | case 0x20 ... 0x27: /* fxxxl */ | |
4371 | case 0x30 ... 0x37: /* fixxx */ | |
4372 | { | |
4373 | int op1; | |
4374 | op1 = op & 7; | |
4375 | ||
4376 | switch(op >> 4) { | |
4377 | case 0: | |
4378 | gen_op_flds_FT0_A0(); | |
4379 | break; | |
4380 | case 1: | |
4381 | gen_op_fildl_FT0_A0(); | |
4382 | break; | |
4383 | case 2: | |
4384 | gen_op_fldl_FT0_A0(); | |
4385 | break; | |
4386 | case 3: | |
4387 | default: | |
4388 | gen_op_fild_FT0_A0(); | |
4389 | break; | |
4390 | } | |
4391 | ||
4392 | gen_op_fp_arith_ST0_FT0[op1](); | |
4393 | if (op1 == 3) { | |
4394 | /* fcomp needs pop */ | |
4395 | gen_op_fpop(); | |
4396 | } | |
4397 | } | |
4398 | break; | |
4399 | case 0x08: /* flds */ | |
4400 | case 0x0a: /* fsts */ | |
4401 | case 0x0b: /* fstps */ | |
465e9838 FB |
4402 | case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */ |
4403 | case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */ | |
4404 | case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */ | |
2c0262af FB |
4405 | switch(op & 7) { |
4406 | case 0: | |
4407 | switch(op >> 4) { | |
4408 | case 0: | |
4409 | gen_op_flds_ST0_A0(); | |
4410 | break; | |
4411 | case 1: | |
4412 | gen_op_fildl_ST0_A0(); | |
4413 | break; | |
4414 | case 2: | |
4415 | gen_op_fldl_ST0_A0(); | |
4416 | break; | |
4417 | case 3: | |
4418 | default: | |
4419 | gen_op_fild_ST0_A0(); | |
4420 | break; | |
4421 | } | |
4422 | break; | |
465e9838 FB |
4423 | case 1: |
4424 | switch(op >> 4) { | |
4425 | case 1: | |
4426 | gen_op_fisttl_ST0_A0(); | |
4427 | break; | |
4428 | case 2: | |
4429 | gen_op_fisttll_ST0_A0(); | |
4430 | break; | |
4431 | case 3: | |
4432 | default: | |
4433 | gen_op_fistt_ST0_A0(); | |
4434 | } | |
4435 | gen_op_fpop(); | |
4436 | break; | |
2c0262af FB |
4437 | default: |
4438 | switch(op >> 4) { | |
4439 | case 0: | |
4440 | gen_op_fsts_ST0_A0(); | |
4441 | break; | |
4442 | case 1: | |
4443 | gen_op_fistl_ST0_A0(); | |
4444 | break; | |
4445 | case 2: | |
4446 | gen_op_fstl_ST0_A0(); | |
4447 | break; | |
4448 | case 3: | |
4449 | default: | |
4450 | gen_op_fist_ST0_A0(); | |
4451 | break; | |
4452 | } | |
4453 | if ((op & 7) == 3) | |
4454 | gen_op_fpop(); | |
4455 | break; | |
4456 | } | |
4457 | break; | |
4458 | case 0x0c: /* fldenv mem */ | |
4459 | gen_op_fldenv_A0(s->dflag); | |
4460 | break; | |
4461 | case 0x0d: /* fldcw mem */ | |
4462 | gen_op_fldcw_A0(); | |
4463 | break; | |
4464 | case 0x0e: /* fnstenv mem */ | |
4465 | gen_op_fnstenv_A0(s->dflag); | |
4466 | break; | |
4467 | case 0x0f: /* fnstcw mem */ | |
4468 | gen_op_fnstcw_A0(); | |
4469 | break; | |
4470 | case 0x1d: /* fldt mem */ | |
4471 | gen_op_fldt_ST0_A0(); | |
4472 | break; | |
4473 | case 0x1f: /* fstpt mem */ | |
4474 | gen_op_fstt_ST0_A0(); | |
4475 | gen_op_fpop(); | |
4476 | break; | |
4477 | case 0x2c: /* frstor mem */ | |
4478 | gen_op_frstor_A0(s->dflag); | |
4479 | break; | |
4480 | case 0x2e: /* fnsave mem */ | |
4481 | gen_op_fnsave_A0(s->dflag); | |
4482 | break; | |
4483 | case 0x2f: /* fnstsw mem */ | |
4484 | gen_op_fnstsw_A0(); | |
4485 | break; | |
4486 | case 0x3c: /* fbld */ | |
4487 | gen_op_fbld_ST0_A0(); | |
4488 | break; | |
4489 | case 0x3e: /* fbstp */ | |
4490 | gen_op_fbst_ST0_A0(); | |
4491 | gen_op_fpop(); | |
4492 | break; | |
4493 | case 0x3d: /* fildll */ | |
4494 | gen_op_fildll_ST0_A0(); | |
4495 | break; | |
4496 | case 0x3f: /* fistpll */ | |
4497 | gen_op_fistll_ST0_A0(); | |
4498 | gen_op_fpop(); | |
4499 | break; | |
4500 | default: | |
4501 | goto illegal_op; | |
4502 | } | |
4503 | } else { | |
4504 | /* register float ops */ | |
4505 | opreg = rm; | |
4506 | ||
4507 | switch(op) { | |
4508 | case 0x08: /* fld sti */ | |
4509 | gen_op_fpush(); | |
4510 | gen_op_fmov_ST0_STN((opreg + 1) & 7); | |
4511 | break; | |
4512 | case 0x09: /* fxchg sti */ | |
c169c906 FB |
4513 | case 0x29: /* fxchg4 sti, undocumented op */ |
4514 | case 0x39: /* fxchg7 sti, undocumented op */ | |
2c0262af FB |
4515 | gen_op_fxchg_ST0_STN(opreg); |
4516 | break; | |
4517 | case 0x0a: /* grp d9/2 */ | |
4518 | switch(rm) { | |
4519 | case 0: /* fnop */ | |
023fe10d FB |
4520 | /* check exceptions (FreeBSD FPU probe) */ |
4521 | if (s->cc_op != CC_OP_DYNAMIC) | |
4522 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 4523 | gen_jmp_im(pc_start - s->cs_base); |
023fe10d | 4524 | gen_op_fwait(); |
2c0262af FB |
4525 | break; |
4526 | default: | |
4527 | goto illegal_op; | |
4528 | } | |
4529 | break; | |
4530 | case 0x0c: /* grp d9/4 */ | |
4531 | switch(rm) { | |
4532 | case 0: /* fchs */ | |
4533 | gen_op_fchs_ST0(); | |
4534 | break; | |
4535 | case 1: /* fabs */ | |
4536 | gen_op_fabs_ST0(); | |
4537 | break; | |
4538 | case 4: /* ftst */ | |
4539 | gen_op_fldz_FT0(); | |
4540 | gen_op_fcom_ST0_FT0(); | |
4541 | break; | |
4542 | case 5: /* fxam */ | |
4543 | gen_op_fxam_ST0(); | |
4544 | break; | |
4545 | default: | |
4546 | goto illegal_op; | |
4547 | } | |
4548 | break; | |
4549 | case 0x0d: /* grp d9/5 */ | |
4550 | { | |
4551 | switch(rm) { | |
4552 | case 0: | |
4553 | gen_op_fpush(); | |
4554 | gen_op_fld1_ST0(); | |
4555 | break; | |
4556 | case 1: | |
4557 | gen_op_fpush(); | |
4558 | gen_op_fldl2t_ST0(); | |
4559 | break; | |
4560 | case 2: | |
4561 | gen_op_fpush(); | |
4562 | gen_op_fldl2e_ST0(); | |
4563 | break; | |
4564 | case 3: | |
4565 | gen_op_fpush(); | |
4566 | gen_op_fldpi_ST0(); | |
4567 | break; | |
4568 | case 4: | |
4569 | gen_op_fpush(); | |
4570 | gen_op_fldlg2_ST0(); | |
4571 | break; | |
4572 | case 5: | |
4573 | gen_op_fpush(); | |
4574 | gen_op_fldln2_ST0(); | |
4575 | break; | |
4576 | case 6: | |
4577 | gen_op_fpush(); | |
4578 | gen_op_fldz_ST0(); | |
4579 | break; | |
4580 | default: | |
4581 | goto illegal_op; | |
4582 | } | |
4583 | } | |
4584 | break; | |
4585 | case 0x0e: /* grp d9/6 */ | |
4586 | switch(rm) { | |
4587 | case 0: /* f2xm1 */ | |
4588 | gen_op_f2xm1(); | |
4589 | break; | |
4590 | case 1: /* fyl2x */ | |
4591 | gen_op_fyl2x(); | |
4592 | break; | |
4593 | case 2: /* fptan */ | |
4594 | gen_op_fptan(); | |
4595 | break; | |
4596 | case 3: /* fpatan */ | |
4597 | gen_op_fpatan(); | |
4598 | break; | |
4599 | case 4: /* fxtract */ | |
4600 | gen_op_fxtract(); | |
4601 | break; | |
4602 | case 5: /* fprem1 */ | |
4603 | gen_op_fprem1(); | |
4604 | break; | |
4605 | case 6: /* fdecstp */ | |
4606 | gen_op_fdecstp(); | |
4607 | break; | |
4608 | default: | |
4609 | case 7: /* fincstp */ | |
4610 | gen_op_fincstp(); | |
4611 | break; | |
4612 | } | |
4613 | break; | |
4614 | case 0x0f: /* grp d9/7 */ | |
4615 | switch(rm) { | |
4616 | case 0: /* fprem */ | |
4617 | gen_op_fprem(); | |
4618 | break; | |
4619 | case 1: /* fyl2xp1 */ | |
4620 | gen_op_fyl2xp1(); | |
4621 | break; | |
4622 | case 2: /* fsqrt */ | |
4623 | gen_op_fsqrt(); | |
4624 | break; | |
4625 | case 3: /* fsincos */ | |
4626 | gen_op_fsincos(); | |
4627 | break; | |
4628 | case 5: /* fscale */ | |
4629 | gen_op_fscale(); | |
4630 | break; | |
4631 | case 4: /* frndint */ | |
4632 | gen_op_frndint(); | |
4633 | break; | |
4634 | case 6: /* fsin */ | |
4635 | gen_op_fsin(); | |
4636 | break; | |
4637 | default: | |
4638 | case 7: /* fcos */ | |
4639 | gen_op_fcos(); | |
4640 | break; | |
4641 | } | |
4642 | break; | |
4643 | case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */ | |
4644 | case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */ | |
4645 | case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */ | |
4646 | { | |
4647 | int op1; | |
4648 | ||
4649 | op1 = op & 7; | |
4650 | if (op >= 0x20) { | |
4651 | gen_op_fp_arith_STN_ST0[op1](opreg); | |
4652 | if (op >= 0x30) | |
4653 | gen_op_fpop(); | |
4654 | } else { | |
4655 | gen_op_fmov_FT0_STN(opreg); | |
4656 | gen_op_fp_arith_ST0_FT0[op1](); | |
4657 | } | |
4658 | } | |
4659 | break; | |
4660 | case 0x02: /* fcom */ | |
c169c906 | 4661 | case 0x22: /* fcom2, undocumented op */ |
2c0262af FB |
4662 | gen_op_fmov_FT0_STN(opreg); |
4663 | gen_op_fcom_ST0_FT0(); | |
4664 | break; | |
4665 | case 0x03: /* fcomp */ | |
c169c906 FB |
4666 | case 0x23: /* fcomp3, undocumented op */ |
4667 | case 0x32: /* fcomp5, undocumented op */ | |
2c0262af FB |
4668 | gen_op_fmov_FT0_STN(opreg); |
4669 | gen_op_fcom_ST0_FT0(); | |
4670 | gen_op_fpop(); | |
4671 | break; | |
4672 | case 0x15: /* da/5 */ | |
4673 | switch(rm) { | |
4674 | case 1: /* fucompp */ | |
4675 | gen_op_fmov_FT0_STN(1); | |
4676 | gen_op_fucom_ST0_FT0(); | |
4677 | gen_op_fpop(); | |
4678 | gen_op_fpop(); | |
4679 | break; | |
4680 | default: | |
4681 | goto illegal_op; | |
4682 | } | |
4683 | break; | |
4684 | case 0x1c: | |
4685 | switch(rm) { | |
4686 | case 0: /* feni (287 only, just do nop here) */ | |
4687 | break; | |
4688 | case 1: /* fdisi (287 only, just do nop here) */ | |
4689 | break; | |
4690 | case 2: /* fclex */ | |
4691 | gen_op_fclex(); | |
4692 | break; | |
4693 | case 3: /* fninit */ | |
4694 | gen_op_fninit(); | |
4695 | break; | |
4696 | case 4: /* fsetpm (287 only, just do nop here) */ | |
4697 | break; | |
4698 | default: | |
4699 | goto illegal_op; | |
4700 | } | |
4701 | break; | |
4702 | case 0x1d: /* fucomi */ | |
4703 | if (s->cc_op != CC_OP_DYNAMIC) | |
4704 | gen_op_set_cc_op(s->cc_op); | |
4705 | gen_op_fmov_FT0_STN(opreg); | |
4706 | gen_op_fucomi_ST0_FT0(); | |
4707 | s->cc_op = CC_OP_EFLAGS; | |
4708 | break; | |
4709 | case 0x1e: /* fcomi */ | |
4710 | if (s->cc_op != CC_OP_DYNAMIC) | |
4711 | gen_op_set_cc_op(s->cc_op); | |
4712 | gen_op_fmov_FT0_STN(opreg); | |
4713 | gen_op_fcomi_ST0_FT0(); | |
4714 | s->cc_op = CC_OP_EFLAGS; | |
4715 | break; | |
658c8bda FB |
4716 | case 0x28: /* ffree sti */ |
4717 | gen_op_ffree_STN(opreg); | |
4718 | break; | |
2c0262af FB |
4719 | case 0x2a: /* fst sti */ |
4720 | gen_op_fmov_STN_ST0(opreg); | |
4721 | break; | |
4722 | case 0x2b: /* fstp sti */ | |
c169c906 FB |
4723 | case 0x0b: /* fstp1 sti, undocumented op */ |
4724 | case 0x3a: /* fstp8 sti, undocumented op */ | |
4725 | case 0x3b: /* fstp9 sti, undocumented op */ | |
2c0262af FB |
4726 | gen_op_fmov_STN_ST0(opreg); |
4727 | gen_op_fpop(); | |
4728 | break; | |
4729 | case 0x2c: /* fucom st(i) */ | |
4730 | gen_op_fmov_FT0_STN(opreg); | |
4731 | gen_op_fucom_ST0_FT0(); | |
4732 | break; | |
4733 | case 0x2d: /* fucomp st(i) */ | |
4734 | gen_op_fmov_FT0_STN(opreg); | |
4735 | gen_op_fucom_ST0_FT0(); | |
4736 | gen_op_fpop(); | |
4737 | break; | |
4738 | case 0x33: /* de/3 */ | |
4739 | switch(rm) { | |
4740 | case 1: /* fcompp */ | |
4741 | gen_op_fmov_FT0_STN(1); | |
4742 | gen_op_fcom_ST0_FT0(); | |
4743 | gen_op_fpop(); | |
4744 | gen_op_fpop(); | |
4745 | break; | |
4746 | default: | |
4747 | goto illegal_op; | |
4748 | } | |
4749 | break; | |
c169c906 FB |
4750 | case 0x38: /* ffreep sti, undocumented op */ |
4751 | gen_op_ffree_STN(opreg); | |
4752 | gen_op_fpop(); | |
4753 | break; | |
2c0262af FB |
4754 | case 0x3c: /* df/4 */ |
4755 | switch(rm) { | |
4756 | case 0: | |
4757 | gen_op_fnstsw_EAX(); | |
4758 | break; | |
4759 | default: | |
4760 | goto illegal_op; | |
4761 | } | |
4762 | break; | |
4763 | case 0x3d: /* fucomip */ | |
4764 | if (s->cc_op != CC_OP_DYNAMIC) | |
4765 | gen_op_set_cc_op(s->cc_op); | |
4766 | gen_op_fmov_FT0_STN(opreg); | |
4767 | gen_op_fucomi_ST0_FT0(); | |
4768 | gen_op_fpop(); | |
4769 | s->cc_op = CC_OP_EFLAGS; | |
4770 | break; | |
4771 | case 0x3e: /* fcomip */ | |
4772 | if (s->cc_op != CC_OP_DYNAMIC) | |
4773 | gen_op_set_cc_op(s->cc_op); | |
4774 | gen_op_fmov_FT0_STN(opreg); | |
4775 | gen_op_fcomi_ST0_FT0(); | |
4776 | gen_op_fpop(); | |
4777 | s->cc_op = CC_OP_EFLAGS; | |
4778 | break; | |
a2cc3b24 FB |
4779 | case 0x10 ... 0x13: /* fcmovxx */ |
4780 | case 0x18 ... 0x1b: | |
4781 | { | |
4782 | int op1; | |
4783 | const static uint8_t fcmov_cc[8] = { | |
4784 | (JCC_B << 1), | |
4785 | (JCC_Z << 1), | |
4786 | (JCC_BE << 1), | |
4787 | (JCC_P << 1), | |
4788 | }; | |
4789 | op1 = fcmov_cc[op & 3] | ((op >> 3) & 1); | |
4790 | gen_setcc(s, op1); | |
4791 | gen_op_fcmov_ST0_STN_T0(opreg); | |
4792 | } | |
4793 | break; | |
2c0262af FB |
4794 | default: |
4795 | goto illegal_op; | |
4796 | } | |
4797 | } | |
7eee2a50 FB |
4798 | #ifdef USE_CODE_COPY |
4799 | s->tb->cflags |= CF_TB_FP_USED; | |
4800 | #endif | |
2c0262af FB |
4801 | break; |
4802 | /************************/ | |
4803 | /* string ops */ | |
4804 | ||
4805 | case 0xa4: /* movsS */ | |
4806 | case 0xa5: | |
4807 | if ((b & 1) == 0) | |
4808 | ot = OT_BYTE; | |
4809 | else | |
14ce26e7 | 4810 | ot = dflag + OT_WORD; |
2c0262af FB |
4811 | |
4812 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { | |
4813 | gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
4814 | } else { | |
4815 | gen_movs(s, ot); | |
4816 | } | |
4817 | break; | |
4818 | ||
4819 | case 0xaa: /* stosS */ | |
4820 | case 0xab: | |
4821 | if ((b & 1) == 0) | |
4822 | ot = OT_BYTE; | |
4823 | else | |
14ce26e7 | 4824 | ot = dflag + OT_WORD; |
2c0262af FB |
4825 | |
4826 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { | |
4827 | gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
4828 | } else { | |
4829 | gen_stos(s, ot); | |
4830 | } | |
4831 | break; | |
4832 | case 0xac: /* lodsS */ | |
4833 | case 0xad: | |
4834 | if ((b & 1) == 0) | |
4835 | ot = OT_BYTE; | |
4836 | else | |
14ce26e7 | 4837 | ot = dflag + OT_WORD; |
2c0262af FB |
4838 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
4839 | gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
4840 | } else { | |
4841 | gen_lods(s, ot); | |
4842 | } | |
4843 | break; | |
4844 | case 0xae: /* scasS */ | |
4845 | case 0xaf: | |
4846 | if ((b & 1) == 0) | |
4847 | ot = OT_BYTE; | |
4848 | else | |
14ce26e7 | 4849 | ot = dflag + OT_WORD; |
2c0262af FB |
4850 | if (prefixes & PREFIX_REPNZ) { |
4851 | gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); | |
4852 | } else if (prefixes & PREFIX_REPZ) { | |
4853 | gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); | |
4854 | } else { | |
4855 | gen_scas(s, ot); | |
4856 | s->cc_op = CC_OP_SUBB + ot; | |
4857 | } | |
4858 | break; | |
4859 | ||
4860 | case 0xa6: /* cmpsS */ | |
4861 | case 0xa7: | |
4862 | if ((b & 1) == 0) | |
4863 | ot = OT_BYTE; | |
4864 | else | |
14ce26e7 | 4865 | ot = dflag + OT_WORD; |
2c0262af FB |
4866 | if (prefixes & PREFIX_REPNZ) { |
4867 | gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); | |
4868 | } else if (prefixes & PREFIX_REPZ) { | |
4869 | gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); | |
4870 | } else { | |
4871 | gen_cmps(s, ot); | |
4872 | s->cc_op = CC_OP_SUBB + ot; | |
4873 | } | |
4874 | break; | |
4875 | case 0x6c: /* insS */ | |
4876 | case 0x6d: | |
f115e911 FB |
4877 | if ((b & 1) == 0) |
4878 | ot = OT_BYTE; | |
4879 | else | |
4880 | ot = dflag ? OT_LONG : OT_WORD; | |
4881 | gen_check_io(s, ot, 1, pc_start - s->cs_base); | |
4882 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { | |
4883 | gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
2c0262af | 4884 | } else { |
f115e911 | 4885 | gen_ins(s, ot); |
2c0262af FB |
4886 | } |
4887 | break; | |
4888 | case 0x6e: /* outsS */ | |
4889 | case 0x6f: | |
f115e911 FB |
4890 | if ((b & 1) == 0) |
4891 | ot = OT_BYTE; | |
4892 | else | |
4893 | ot = dflag ? OT_LONG : OT_WORD; | |
4894 | gen_check_io(s, ot, 1, pc_start - s->cs_base); | |
4895 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { | |
4896 | gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); | |
2c0262af | 4897 | } else { |
f115e911 | 4898 | gen_outs(s, ot); |
2c0262af FB |
4899 | } |
4900 | break; | |
4901 | ||
4902 | /************************/ | |
4903 | /* port I/O */ | |
4904 | case 0xe4: | |
4905 | case 0xe5: | |
f115e911 FB |
4906 | if ((b & 1) == 0) |
4907 | ot = OT_BYTE; | |
4908 | else | |
4909 | ot = dflag ? OT_LONG : OT_WORD; | |
4910 | val = ldub_code(s->pc++); | |
4911 | gen_op_movl_T0_im(val); | |
4912 | gen_check_io(s, ot, 0, pc_start - s->cs_base); | |
4913 | gen_op_in[ot](); | |
4914 | gen_op_mov_reg_T1[ot][R_EAX](); | |
2c0262af FB |
4915 | break; |
4916 | case 0xe6: | |
4917 | case 0xe7: | |
f115e911 FB |
4918 | if ((b & 1) == 0) |
4919 | ot = OT_BYTE; | |
4920 | else | |
4921 | ot = dflag ? OT_LONG : OT_WORD; | |
4922 | val = ldub_code(s->pc++); | |
4923 | gen_op_movl_T0_im(val); | |
4924 | gen_check_io(s, ot, 0, pc_start - s->cs_base); | |
4925 | gen_op_mov_TN_reg[ot][1][R_EAX](); | |
4926 | gen_op_out[ot](); | |
2c0262af FB |
4927 | break; |
4928 | case 0xec: | |
4929 | case 0xed: | |
f115e911 FB |
4930 | if ((b & 1) == 0) |
4931 | ot = OT_BYTE; | |
4932 | else | |
4933 | ot = dflag ? OT_LONG : OT_WORD; | |
4934 | gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); | |
4f31916f | 4935 | gen_op_andl_T0_ffff(); |
f115e911 FB |
4936 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
4937 | gen_op_in[ot](); | |
4938 | gen_op_mov_reg_T1[ot][R_EAX](); | |
2c0262af FB |
4939 | break; |
4940 | case 0xee: | |
4941 | case 0xef: | |
f115e911 FB |
4942 | if ((b & 1) == 0) |
4943 | ot = OT_BYTE; | |
4944 | else | |
4945 | ot = dflag ? OT_LONG : OT_WORD; | |
4946 | gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); | |
4f31916f | 4947 | gen_op_andl_T0_ffff(); |
f115e911 FB |
4948 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
4949 | gen_op_mov_TN_reg[ot][1][R_EAX](); | |
4950 | gen_op_out[ot](); | |
2c0262af FB |
4951 | break; |
4952 | ||
4953 | /************************/ | |
4954 | /* control */ | |
4955 | case 0xc2: /* ret im */ | |
61382a50 | 4956 | val = ldsw_code(s->pc); |
2c0262af FB |
4957 | s->pc += 2; |
4958 | gen_pop_T0(s); | |
8f091a59 FB |
4959 | if (CODE64(s) && s->dflag) |
4960 | s->dflag = 2; | |
2c0262af FB |
4961 | gen_stack_update(s, val + (2 << s->dflag)); |
4962 | if (s->dflag == 0) | |
4963 | gen_op_andl_T0_ffff(); | |
4964 | gen_op_jmp_T0(); | |
4965 | gen_eob(s); | |
4966 | break; | |
4967 | case 0xc3: /* ret */ | |
4968 | gen_pop_T0(s); | |
4969 | gen_pop_update(s); | |
4970 | if (s->dflag == 0) | |
4971 | gen_op_andl_T0_ffff(); | |
4972 | gen_op_jmp_T0(); | |
4973 | gen_eob(s); | |
4974 | break; | |
4975 | case 0xca: /* lret im */ | |
61382a50 | 4976 | val = ldsw_code(s->pc); |
2c0262af FB |
4977 | s->pc += 2; |
4978 | do_lret: | |
4979 | if (s->pe && !s->vm86) { | |
4980 | if (s->cc_op != CC_OP_DYNAMIC) | |
4981 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 4982 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
4983 | gen_op_lret_protected(s->dflag, val); |
4984 | } else { | |
4985 | gen_stack_A0(s); | |
4986 | /* pop offset */ | |
4987 | gen_op_ld_T0_A0[1 + s->dflag + s->mem_index](); | |
4988 | if (s->dflag == 0) | |
4989 | gen_op_andl_T0_ffff(); | |
4990 | /* NOTE: keeping EIP updated is not a problem in case of | |
4991 | exception */ | |
4992 | gen_op_jmp_T0(); | |
4993 | /* pop selector */ | |
4994 | gen_op_addl_A0_im(2 << s->dflag); | |
4995 | gen_op_ld_T0_A0[1 + s->dflag + s->mem_index](); | |
4996 | gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[R_CS])); | |
4997 | /* add stack offset */ | |
4998 | gen_stack_update(s, val + (4 << s->dflag)); | |
4999 | } | |
5000 | gen_eob(s); | |
5001 | break; | |
5002 | case 0xcb: /* lret */ | |
5003 | val = 0; | |
5004 | goto do_lret; | |
5005 | case 0xcf: /* iret */ | |
5006 | if (!s->pe) { | |
5007 | /* real mode */ | |
5008 | gen_op_iret_real(s->dflag); | |
5009 | s->cc_op = CC_OP_EFLAGS; | |
f115e911 FB |
5010 | } else if (s->vm86) { |
5011 | if (s->iopl != 3) { | |
5012 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5013 | } else { | |
5014 | gen_op_iret_real(s->dflag); | |
5015 | s->cc_op = CC_OP_EFLAGS; | |
5016 | } | |
2c0262af FB |
5017 | } else { |
5018 | if (s->cc_op != CC_OP_DYNAMIC) | |
5019 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5020 | gen_jmp_im(pc_start - s->cs_base); |
08cea4ee | 5021 | gen_op_iret_protected(s->dflag, s->pc - s->cs_base); |
2c0262af FB |
5022 | s->cc_op = CC_OP_EFLAGS; |
5023 | } | |
5024 | gen_eob(s); | |
5025 | break; | |
5026 | case 0xe8: /* call im */ | |
5027 | { | |
14ce26e7 FB |
5028 | if (dflag) |
5029 | tval = (int32_t)insn_get(s, OT_LONG); | |
5030 | else | |
5031 | tval = (int16_t)insn_get(s, OT_WORD); | |
2c0262af | 5032 | next_eip = s->pc - s->cs_base; |
14ce26e7 | 5033 | tval += next_eip; |
2c0262af | 5034 | if (s->dflag == 0) |
14ce26e7 FB |
5035 | tval &= 0xffff; |
5036 | gen_movtl_T0_im(next_eip); | |
2c0262af | 5037 | gen_push_T0(s); |
14ce26e7 | 5038 | gen_jmp(s, tval); |
2c0262af FB |
5039 | } |
5040 | break; | |
5041 | case 0x9a: /* lcall im */ | |
5042 | { | |
5043 | unsigned int selector, offset; | |
14ce26e7 FB |
5044 | |
5045 | if (CODE64(s)) | |
5046 | goto illegal_op; | |
2c0262af FB |
5047 | ot = dflag ? OT_LONG : OT_WORD; |
5048 | offset = insn_get(s, ot); | |
5049 | selector = insn_get(s, OT_WORD); | |
5050 | ||
5051 | gen_op_movl_T0_im(selector); | |
14ce26e7 | 5052 | gen_op_movl_T1_imu(offset); |
2c0262af FB |
5053 | } |
5054 | goto do_lcall; | |
ecada8a2 | 5055 | case 0xe9: /* jmp im */ |
14ce26e7 FB |
5056 | if (dflag) |
5057 | tval = (int32_t)insn_get(s, OT_LONG); | |
5058 | else | |
5059 | tval = (int16_t)insn_get(s, OT_WORD); | |
5060 | tval += s->pc - s->cs_base; | |
2c0262af | 5061 | if (s->dflag == 0) |
14ce26e7 FB |
5062 | tval &= 0xffff; |
5063 | gen_jmp(s, tval); | |
2c0262af FB |
5064 | break; |
5065 | case 0xea: /* ljmp im */ | |
5066 | { | |
5067 | unsigned int selector, offset; | |
5068 | ||
14ce26e7 FB |
5069 | if (CODE64(s)) |
5070 | goto illegal_op; | |
2c0262af FB |
5071 | ot = dflag ? OT_LONG : OT_WORD; |
5072 | offset = insn_get(s, ot); | |
5073 | selector = insn_get(s, OT_WORD); | |
5074 | ||
5075 | gen_op_movl_T0_im(selector); | |
14ce26e7 | 5076 | gen_op_movl_T1_imu(offset); |
2c0262af FB |
5077 | } |
5078 | goto do_ljmp; | |
5079 | case 0xeb: /* jmp Jb */ | |
14ce26e7 FB |
5080 | tval = (int8_t)insn_get(s, OT_BYTE); |
5081 | tval += s->pc - s->cs_base; | |
2c0262af | 5082 | if (s->dflag == 0) |
14ce26e7 FB |
5083 | tval &= 0xffff; |
5084 | gen_jmp(s, tval); | |
2c0262af FB |
5085 | break; |
5086 | case 0x70 ... 0x7f: /* jcc Jb */ | |
14ce26e7 | 5087 | tval = (int8_t)insn_get(s, OT_BYTE); |
2c0262af FB |
5088 | goto do_jcc; |
5089 | case 0x180 ... 0x18f: /* jcc Jv */ | |
5090 | if (dflag) { | |
14ce26e7 | 5091 | tval = (int32_t)insn_get(s, OT_LONG); |
2c0262af | 5092 | } else { |
14ce26e7 | 5093 | tval = (int16_t)insn_get(s, OT_WORD); |
2c0262af FB |
5094 | } |
5095 | do_jcc: | |
5096 | next_eip = s->pc - s->cs_base; | |
14ce26e7 | 5097 | tval += next_eip; |
2c0262af | 5098 | if (s->dflag == 0) |
14ce26e7 FB |
5099 | tval &= 0xffff; |
5100 | gen_jcc(s, b, tval, next_eip); | |
2c0262af FB |
5101 | break; |
5102 | ||
5103 | case 0x190 ... 0x19f: /* setcc Gv */ | |
61382a50 | 5104 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5105 | gen_setcc(s, b); |
5106 | gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1); | |
5107 | break; | |
5108 | case 0x140 ... 0x14f: /* cmov Gv, Ev */ | |
14ce26e7 | 5109 | ot = dflag + OT_WORD; |
61382a50 | 5110 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5111 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
5112 | mod = (modrm >> 6) & 3; |
5113 | gen_setcc(s, b); | |
5114 | if (mod != 3) { | |
5115 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5116 | gen_op_ld_T1_A0[ot + s->mem_index](); | |
5117 | } else { | |
14ce26e7 | 5118 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
5119 | gen_op_mov_TN_reg[ot][1][rm](); |
5120 | } | |
5121 | gen_op_cmov_reg_T1_T0[ot - OT_WORD][reg](); | |
5122 | break; | |
5123 | ||
5124 | /************************/ | |
5125 | /* flags */ | |
5126 | case 0x9c: /* pushf */ | |
5127 | if (s->vm86 && s->iopl != 3) { | |
5128 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5129 | } else { | |
5130 | if (s->cc_op != CC_OP_DYNAMIC) | |
5131 | gen_op_set_cc_op(s->cc_op); | |
5132 | gen_op_movl_T0_eflags(); | |
5133 | gen_push_T0(s); | |
5134 | } | |
5135 | break; | |
5136 | case 0x9d: /* popf */ | |
5137 | if (s->vm86 && s->iopl != 3) { | |
5138 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5139 | } else { | |
5140 | gen_pop_T0(s); | |
5141 | if (s->cpl == 0) { | |
5142 | if (s->dflag) { | |
5143 | gen_op_movl_eflags_T0_cpl0(); | |
5144 | } else { | |
5145 | gen_op_movw_eflags_T0_cpl0(); | |
5146 | } | |
5147 | } else { | |
4136f33c FB |
5148 | if (s->cpl <= s->iopl) { |
5149 | if (s->dflag) { | |
5150 | gen_op_movl_eflags_T0_io(); | |
5151 | } else { | |
5152 | gen_op_movw_eflags_T0_io(); | |
5153 | } | |
2c0262af | 5154 | } else { |
4136f33c FB |
5155 | if (s->dflag) { |
5156 | gen_op_movl_eflags_T0(); | |
5157 | } else { | |
5158 | gen_op_movw_eflags_T0(); | |
5159 | } | |
2c0262af FB |
5160 | } |
5161 | } | |
5162 | gen_pop_update(s); | |
5163 | s->cc_op = CC_OP_EFLAGS; | |
5164 | /* abort translation because TF flag may change */ | |
14ce26e7 | 5165 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5166 | gen_eob(s); |
5167 | } | |
5168 | break; | |
5169 | case 0x9e: /* sahf */ | |
14ce26e7 FB |
5170 | if (CODE64(s)) |
5171 | goto illegal_op; | |
2c0262af FB |
5172 | gen_op_mov_TN_reg[OT_BYTE][0][R_AH](); |
5173 | if (s->cc_op != CC_OP_DYNAMIC) | |
5174 | gen_op_set_cc_op(s->cc_op); | |
5175 | gen_op_movb_eflags_T0(); | |
5176 | s->cc_op = CC_OP_EFLAGS; | |
5177 | break; | |
5178 | case 0x9f: /* lahf */ | |
14ce26e7 FB |
5179 | if (CODE64(s)) |
5180 | goto illegal_op; | |
2c0262af FB |
5181 | if (s->cc_op != CC_OP_DYNAMIC) |
5182 | gen_op_set_cc_op(s->cc_op); | |
5183 | gen_op_movl_T0_eflags(); | |
5184 | gen_op_mov_reg_T0[OT_BYTE][R_AH](); | |
5185 | break; | |
5186 | case 0xf5: /* cmc */ | |
5187 | if (s->cc_op != CC_OP_DYNAMIC) | |
5188 | gen_op_set_cc_op(s->cc_op); | |
5189 | gen_op_cmc(); | |
5190 | s->cc_op = CC_OP_EFLAGS; | |
5191 | break; | |
5192 | case 0xf8: /* clc */ | |
5193 | if (s->cc_op != CC_OP_DYNAMIC) | |
5194 | gen_op_set_cc_op(s->cc_op); | |
5195 | gen_op_clc(); | |
5196 | s->cc_op = CC_OP_EFLAGS; | |
5197 | break; | |
5198 | case 0xf9: /* stc */ | |
5199 | if (s->cc_op != CC_OP_DYNAMIC) | |
5200 | gen_op_set_cc_op(s->cc_op); | |
5201 | gen_op_stc(); | |
5202 | s->cc_op = CC_OP_EFLAGS; | |
5203 | break; | |
5204 | case 0xfc: /* cld */ | |
5205 | gen_op_cld(); | |
5206 | break; | |
5207 | case 0xfd: /* std */ | |
5208 | gen_op_std(); | |
5209 | break; | |
5210 | ||
5211 | /************************/ | |
5212 | /* bit operations */ | |
5213 | case 0x1ba: /* bt/bts/btr/btc Gv, im */ | |
14ce26e7 | 5214 | ot = dflag + OT_WORD; |
61382a50 | 5215 | modrm = ldub_code(s->pc++); |
33698e5f | 5216 | op = (modrm >> 3) & 7; |
2c0262af | 5217 | mod = (modrm >> 6) & 3; |
14ce26e7 | 5218 | rm = (modrm & 7) | REX_B(s); |
2c0262af | 5219 | if (mod != 3) { |
14ce26e7 | 5220 | s->rip_offset = 1; |
2c0262af FB |
5221 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5222 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
5223 | } else { | |
5224 | gen_op_mov_TN_reg[ot][0][rm](); | |
5225 | } | |
5226 | /* load shift */ | |
61382a50 | 5227 | val = ldub_code(s->pc++); |
2c0262af FB |
5228 | gen_op_movl_T1_im(val); |
5229 | if (op < 4) | |
5230 | goto illegal_op; | |
5231 | op -= 4; | |
5232 | gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); | |
5233 | s->cc_op = CC_OP_SARB + ot; | |
5234 | if (op != 0) { | |
5235 | if (mod != 3) | |
5236 | gen_op_st_T0_A0[ot + s->mem_index](); | |
5237 | else | |
5238 | gen_op_mov_reg_T0[ot][rm](); | |
5239 | gen_op_update_bt_cc(); | |
5240 | } | |
5241 | break; | |
5242 | case 0x1a3: /* bt Gv, Ev */ | |
5243 | op = 0; | |
5244 | goto do_btx; | |
5245 | case 0x1ab: /* bts */ | |
5246 | op = 1; | |
5247 | goto do_btx; | |
5248 | case 0x1b3: /* btr */ | |
5249 | op = 2; | |
5250 | goto do_btx; | |
5251 | case 0x1bb: /* btc */ | |
5252 | op = 3; | |
5253 | do_btx: | |
14ce26e7 | 5254 | ot = dflag + OT_WORD; |
61382a50 | 5255 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5256 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 5257 | mod = (modrm >> 6) & 3; |
14ce26e7 | 5258 | rm = (modrm & 7) | REX_B(s); |
2c0262af FB |
5259 | gen_op_mov_TN_reg[OT_LONG][1][reg](); |
5260 | if (mod != 3) { | |
5261 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5262 | /* specific case: we need to add a displacement */ | |
14ce26e7 | 5263 | gen_op_add_bit_A0_T1[ot - OT_WORD](); |
2c0262af FB |
5264 | gen_op_ld_T0_A0[ot + s->mem_index](); |
5265 | } else { | |
5266 | gen_op_mov_TN_reg[ot][0][rm](); | |
5267 | } | |
5268 | gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); | |
5269 | s->cc_op = CC_OP_SARB + ot; | |
5270 | if (op != 0) { | |
5271 | if (mod != 3) | |
5272 | gen_op_st_T0_A0[ot + s->mem_index](); | |
5273 | else | |
5274 | gen_op_mov_reg_T0[ot][rm](); | |
5275 | gen_op_update_bt_cc(); | |
5276 | } | |
5277 | break; | |
5278 | case 0x1bc: /* bsf */ | |
5279 | case 0x1bd: /* bsr */ | |
14ce26e7 | 5280 | ot = dflag + OT_WORD; |
61382a50 | 5281 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5282 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af | 5283 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
686f3f26 FB |
5284 | /* NOTE: in order to handle the 0 case, we must load the |
5285 | result. It could be optimized with a generated jump */ | |
5286 | gen_op_mov_TN_reg[ot][1][reg](); | |
2c0262af | 5287 | gen_op_bsx_T0_cc[ot - OT_WORD][b & 1](); |
686f3f26 | 5288 | gen_op_mov_reg_T1[ot][reg](); |
2c0262af FB |
5289 | s->cc_op = CC_OP_LOGICB + ot; |
5290 | break; | |
5291 | /************************/ | |
5292 | /* bcd */ | |
5293 | case 0x27: /* daa */ | |
14ce26e7 FB |
5294 | if (CODE64(s)) |
5295 | goto illegal_op; | |
2c0262af FB |
5296 | if (s->cc_op != CC_OP_DYNAMIC) |
5297 | gen_op_set_cc_op(s->cc_op); | |
5298 | gen_op_daa(); | |
5299 | s->cc_op = CC_OP_EFLAGS; | |
5300 | break; | |
5301 | case 0x2f: /* das */ | |
14ce26e7 FB |
5302 | if (CODE64(s)) |
5303 | goto illegal_op; | |
2c0262af FB |
5304 | if (s->cc_op != CC_OP_DYNAMIC) |
5305 | gen_op_set_cc_op(s->cc_op); | |
5306 | gen_op_das(); | |
5307 | s->cc_op = CC_OP_EFLAGS; | |
5308 | break; | |
5309 | case 0x37: /* aaa */ | |
14ce26e7 FB |
5310 | if (CODE64(s)) |
5311 | goto illegal_op; | |
2c0262af FB |
5312 | if (s->cc_op != CC_OP_DYNAMIC) |
5313 | gen_op_set_cc_op(s->cc_op); | |
5314 | gen_op_aaa(); | |
5315 | s->cc_op = CC_OP_EFLAGS; | |
5316 | break; | |
5317 | case 0x3f: /* aas */ | |
14ce26e7 FB |
5318 | if (CODE64(s)) |
5319 | goto illegal_op; | |
2c0262af FB |
5320 | if (s->cc_op != CC_OP_DYNAMIC) |
5321 | gen_op_set_cc_op(s->cc_op); | |
5322 | gen_op_aas(); | |
5323 | s->cc_op = CC_OP_EFLAGS; | |
5324 | break; | |
5325 | case 0xd4: /* aam */ | |
14ce26e7 FB |
5326 | if (CODE64(s)) |
5327 | goto illegal_op; | |
61382a50 | 5328 | val = ldub_code(s->pc++); |
2c0262af FB |
5329 | gen_op_aam(val); |
5330 | s->cc_op = CC_OP_LOGICB; | |
5331 | break; | |
5332 | case 0xd5: /* aad */ | |
14ce26e7 FB |
5333 | if (CODE64(s)) |
5334 | goto illegal_op; | |
61382a50 | 5335 | val = ldub_code(s->pc++); |
2c0262af FB |
5336 | gen_op_aad(val); |
5337 | s->cc_op = CC_OP_LOGICB; | |
5338 | break; | |
5339 | /************************/ | |
5340 | /* misc */ | |
5341 | case 0x90: /* nop */ | |
14ce26e7 | 5342 | /* XXX: xchg + rex handling */ |
ab1f142b FB |
5343 | /* XXX: correct lock test for all insn */ |
5344 | if (prefixes & PREFIX_LOCK) | |
5345 | goto illegal_op; | |
2c0262af FB |
5346 | break; |
5347 | case 0x9b: /* fwait */ | |
7eee2a50 FB |
5348 | if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) == |
5349 | (HF_MP_MASK | HF_TS_MASK)) { | |
5350 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
2ee73ac3 FB |
5351 | } else { |
5352 | if (s->cc_op != CC_OP_DYNAMIC) | |
5353 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5354 | gen_jmp_im(pc_start - s->cs_base); |
2ee73ac3 | 5355 | gen_op_fwait(); |
7eee2a50 | 5356 | } |
2c0262af FB |
5357 | break; |
5358 | case 0xcc: /* int3 */ | |
5359 | gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base); | |
5360 | break; | |
5361 | case 0xcd: /* int N */ | |
61382a50 | 5362 | val = ldub_code(s->pc++); |
f115e911 | 5363 | if (s->vm86 && s->iopl != 3) { |
2c0262af | 5364 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
f115e911 FB |
5365 | } else { |
5366 | gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base); | |
5367 | } | |
2c0262af FB |
5368 | break; |
5369 | case 0xce: /* into */ | |
14ce26e7 FB |
5370 | if (CODE64(s)) |
5371 | goto illegal_op; | |
2c0262af FB |
5372 | if (s->cc_op != CC_OP_DYNAMIC) |
5373 | gen_op_set_cc_op(s->cc_op); | |
a8ede8ba FB |
5374 | gen_jmp_im(pc_start - s->cs_base); |
5375 | gen_op_into(s->pc - pc_start); | |
2c0262af FB |
5376 | break; |
5377 | case 0xf1: /* icebp (undocumented, exits to external debugger) */ | |
aba9d61e | 5378 | #if 1 |
2c0262af | 5379 | gen_debug(s, pc_start - s->cs_base); |
aba9d61e FB |
5380 | #else |
5381 | /* start debug */ | |
5382 | tb_flush(cpu_single_env); | |
5383 | cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM); | |
5384 | #endif | |
2c0262af FB |
5385 | break; |
5386 | case 0xfa: /* cli */ | |
5387 | if (!s->vm86) { | |
5388 | if (s->cpl <= s->iopl) { | |
5389 | gen_op_cli(); | |
5390 | } else { | |
5391 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5392 | } | |
5393 | } else { | |
5394 | if (s->iopl == 3) { | |
5395 | gen_op_cli(); | |
5396 | } else { | |
5397 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5398 | } | |
5399 | } | |
5400 | break; | |
5401 | case 0xfb: /* sti */ | |
5402 | if (!s->vm86) { | |
5403 | if (s->cpl <= s->iopl) { | |
5404 | gen_sti: | |
5405 | gen_op_sti(); | |
5406 | /* interruptions are enabled only the first insn after sti */ | |
a2cc3b24 FB |
5407 | /* If several instructions disable interrupts, only the |
5408 | _first_ does it */ | |
5409 | if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK)) | |
5410 | gen_op_set_inhibit_irq(); | |
2c0262af | 5411 | /* give a chance to handle pending irqs */ |
14ce26e7 | 5412 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5413 | gen_eob(s); |
5414 | } else { | |
5415 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5416 | } | |
5417 | } else { | |
5418 | if (s->iopl == 3) { | |
5419 | goto gen_sti; | |
5420 | } else { | |
5421 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5422 | } | |
5423 | } | |
5424 | break; | |
5425 | case 0x62: /* bound */ | |
14ce26e7 FB |
5426 | if (CODE64(s)) |
5427 | goto illegal_op; | |
2c0262af | 5428 | ot = dflag ? OT_LONG : OT_WORD; |
61382a50 | 5429 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5430 | reg = (modrm >> 3) & 7; |
5431 | mod = (modrm >> 6) & 3; | |
5432 | if (mod == 3) | |
5433 | goto illegal_op; | |
cabf23c3 | 5434 | gen_op_mov_TN_reg[ot][0][reg](); |
2c0262af | 5435 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
14ce26e7 | 5436 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af | 5437 | if (ot == OT_WORD) |
14ce26e7 | 5438 | gen_op_boundw(); |
2c0262af | 5439 | else |
14ce26e7 | 5440 | gen_op_boundl(); |
2c0262af FB |
5441 | break; |
5442 | case 0x1c8 ... 0x1cf: /* bswap reg */ | |
14ce26e7 FB |
5443 | reg = (b & 7) | REX_B(s); |
5444 | #ifdef TARGET_X86_64 | |
5445 | if (dflag == 2) { | |
5446 | gen_op_mov_TN_reg[OT_QUAD][0][reg](); | |
5447 | gen_op_bswapq_T0(); | |
5448 | gen_op_mov_reg_T0[OT_QUAD][reg](); | |
5449 | } else | |
5450 | #endif | |
5451 | { | |
5452 | gen_op_mov_TN_reg[OT_LONG][0][reg](); | |
5453 | gen_op_bswapl_T0(); | |
5454 | gen_op_mov_reg_T0[OT_LONG][reg](); | |
5455 | } | |
2c0262af FB |
5456 | break; |
5457 | case 0xd6: /* salc */ | |
14ce26e7 FB |
5458 | if (CODE64(s)) |
5459 | goto illegal_op; | |
2c0262af FB |
5460 | if (s->cc_op != CC_OP_DYNAMIC) |
5461 | gen_op_set_cc_op(s->cc_op); | |
5462 | gen_op_salc(); | |
5463 | break; | |
5464 | case 0xe0: /* loopnz */ | |
5465 | case 0xe1: /* loopz */ | |
5466 | if (s->cc_op != CC_OP_DYNAMIC) | |
5467 | gen_op_set_cc_op(s->cc_op); | |
5468 | /* FALL THRU */ | |
5469 | case 0xe2: /* loop */ | |
5470 | case 0xe3: /* jecxz */ | |
14ce26e7 FB |
5471 | { |
5472 | int l1, l2; | |
5473 | ||
5474 | tval = (int8_t)insn_get(s, OT_BYTE); | |
5475 | next_eip = s->pc - s->cs_base; | |
5476 | tval += next_eip; | |
5477 | if (s->dflag == 0) | |
5478 | tval &= 0xffff; | |
5479 | ||
5480 | l1 = gen_new_label(); | |
5481 | l2 = gen_new_label(); | |
5482 | b &= 3; | |
5483 | if (b == 3) { | |
5484 | gen_op_jz_ecx[s->aflag](l1); | |
5485 | } else { | |
5486 | gen_op_dec_ECX[s->aflag](); | |
0b9dc5e4 FB |
5487 | if (b <= 1) |
5488 | gen_op_mov_T0_cc(); | |
14ce26e7 FB |
5489 | gen_op_loop[s->aflag][b](l1); |
5490 | } | |
5491 | ||
5492 | gen_jmp_im(next_eip); | |
5493 | gen_op_jmp_label(l2); | |
5494 | gen_set_label(l1); | |
5495 | gen_jmp_im(tval); | |
5496 | gen_set_label(l2); | |
5497 | gen_eob(s); | |
5498 | } | |
2c0262af FB |
5499 | break; |
5500 | case 0x130: /* wrmsr */ | |
5501 | case 0x132: /* rdmsr */ | |
5502 | if (s->cpl != 0) { | |
5503 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5504 | } else { | |
5505 | if (b & 2) | |
5506 | gen_op_rdmsr(); | |
5507 | else | |
5508 | gen_op_wrmsr(); | |
5509 | } | |
5510 | break; | |
5511 | case 0x131: /* rdtsc */ | |
ecada8a2 | 5512 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5513 | gen_op_rdtsc(); |
5514 | break; | |
023fe10d | 5515 | case 0x134: /* sysenter */ |
14ce26e7 FB |
5516 | if (CODE64(s)) |
5517 | goto illegal_op; | |
023fe10d FB |
5518 | if (!s->pe) { |
5519 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5520 | } else { | |
5521 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5522 | gen_op_set_cc_op(s->cc_op); | |
5523 | s->cc_op = CC_OP_DYNAMIC; | |
5524 | } | |
14ce26e7 | 5525 | gen_jmp_im(pc_start - s->cs_base); |
023fe10d FB |
5526 | gen_op_sysenter(); |
5527 | gen_eob(s); | |
5528 | } | |
5529 | break; | |
5530 | case 0x135: /* sysexit */ | |
14ce26e7 FB |
5531 | if (CODE64(s)) |
5532 | goto illegal_op; | |
023fe10d FB |
5533 | if (!s->pe) { |
5534 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5535 | } else { | |
5536 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5537 | gen_op_set_cc_op(s->cc_op); | |
5538 | s->cc_op = CC_OP_DYNAMIC; | |
5539 | } | |
14ce26e7 | 5540 | gen_jmp_im(pc_start - s->cs_base); |
023fe10d FB |
5541 | gen_op_sysexit(); |
5542 | gen_eob(s); | |
5543 | } | |
5544 | break; | |
14ce26e7 FB |
5545 | #ifdef TARGET_X86_64 |
5546 | case 0x105: /* syscall */ | |
5547 | /* XXX: is it usable in real mode ? */ | |
5548 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5549 | gen_op_set_cc_op(s->cc_op); | |
5550 | s->cc_op = CC_OP_DYNAMIC; | |
5551 | } | |
5552 | gen_jmp_im(pc_start - s->cs_base); | |
06c2f506 | 5553 | gen_op_syscall(s->pc - pc_start); |
14ce26e7 FB |
5554 | gen_eob(s); |
5555 | break; | |
5556 | case 0x107: /* sysret */ | |
5557 | if (!s->pe) { | |
5558 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5559 | } else { | |
5560 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5561 | gen_op_set_cc_op(s->cc_op); | |
5562 | s->cc_op = CC_OP_DYNAMIC; | |
5563 | } | |
5564 | gen_jmp_im(pc_start - s->cs_base); | |
5565 | gen_op_sysret(s->dflag); | |
aba9d61e FB |
5566 | /* condition codes are modified only in long mode */ |
5567 | if (s->lma) | |
5568 | s->cc_op = CC_OP_EFLAGS; | |
14ce26e7 FB |
5569 | gen_eob(s); |
5570 | } | |
5571 | break; | |
5572 | #endif | |
2c0262af FB |
5573 | case 0x1a2: /* cpuid */ |
5574 | gen_op_cpuid(); | |
5575 | break; | |
5576 | case 0xf4: /* hlt */ | |
5577 | if (s->cpl != 0) { | |
5578 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5579 | } else { | |
5580 | if (s->cc_op != CC_OP_DYNAMIC) | |
5581 | gen_op_set_cc_op(s->cc_op); | |
14ce26e7 | 5582 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5583 | gen_op_hlt(); |
5584 | s->is_jmp = 3; | |
5585 | } | |
5586 | break; | |
5587 | case 0x100: | |
61382a50 | 5588 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5589 | mod = (modrm >> 6) & 3; |
5590 | op = (modrm >> 3) & 7; | |
5591 | switch(op) { | |
5592 | case 0: /* sldt */ | |
f115e911 FB |
5593 | if (!s->pe || s->vm86) |
5594 | goto illegal_op; | |
2c0262af FB |
5595 | gen_op_movl_T0_env(offsetof(CPUX86State,ldt.selector)); |
5596 | ot = OT_WORD; | |
5597 | if (mod == 3) | |
5598 | ot += s->dflag; | |
5599 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); | |
5600 | break; | |
5601 | case 2: /* lldt */ | |
f115e911 FB |
5602 | if (!s->pe || s->vm86) |
5603 | goto illegal_op; | |
2c0262af FB |
5604 | if (s->cpl != 0) { |
5605 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5606 | } else { | |
5607 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
14ce26e7 | 5608 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5609 | gen_op_lldt_T0(); |
5610 | } | |
5611 | break; | |
5612 | case 1: /* str */ | |
f115e911 FB |
5613 | if (!s->pe || s->vm86) |
5614 | goto illegal_op; | |
2c0262af FB |
5615 | gen_op_movl_T0_env(offsetof(CPUX86State,tr.selector)); |
5616 | ot = OT_WORD; | |
5617 | if (mod == 3) | |
5618 | ot += s->dflag; | |
5619 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); | |
5620 | break; | |
5621 | case 3: /* ltr */ | |
f115e911 FB |
5622 | if (!s->pe || s->vm86) |
5623 | goto illegal_op; | |
2c0262af FB |
5624 | if (s->cpl != 0) { |
5625 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5626 | } else { | |
5627 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
14ce26e7 | 5628 | gen_jmp_im(pc_start - s->cs_base); |
2c0262af FB |
5629 | gen_op_ltr_T0(); |
5630 | } | |
5631 | break; | |
5632 | case 4: /* verr */ | |
5633 | case 5: /* verw */ | |
f115e911 FB |
5634 | if (!s->pe || s->vm86) |
5635 | goto illegal_op; | |
5636 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
5637 | if (s->cc_op != CC_OP_DYNAMIC) | |
5638 | gen_op_set_cc_op(s->cc_op); | |
5639 | if (op == 4) | |
5640 | gen_op_verr(); | |
5641 | else | |
5642 | gen_op_verw(); | |
5643 | s->cc_op = CC_OP_EFLAGS; | |
5644 | break; | |
2c0262af FB |
5645 | default: |
5646 | goto illegal_op; | |
5647 | } | |
5648 | break; | |
5649 | case 0x101: | |
61382a50 | 5650 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5651 | mod = (modrm >> 6) & 3; |
5652 | op = (modrm >> 3) & 7; | |
3d7374c5 | 5653 | rm = modrm & 7; |
2c0262af FB |
5654 | switch(op) { |
5655 | case 0: /* sgdt */ | |
2c0262af FB |
5656 | if (mod == 3) |
5657 | goto illegal_op; | |
5658 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
3d7374c5 | 5659 | gen_op_movl_T0_env(offsetof(CPUX86State, gdt.limit)); |
2c0262af | 5660 | gen_op_st_T0_A0[OT_WORD + s->mem_index](); |
aba9d61e | 5661 | gen_add_A0_im(s, 2); |
3d7374c5 | 5662 | gen_op_movtl_T0_env(offsetof(CPUX86State, gdt.base)); |
2c0262af FB |
5663 | if (!s->dflag) |
5664 | gen_op_andl_T0_im(0xffffff); | |
14ce26e7 | 5665 | gen_op_st_T0_A0[CODE64(s) + OT_LONG + s->mem_index](); |
2c0262af | 5666 | break; |
3d7374c5 FB |
5667 | case 1: |
5668 | if (mod == 3) { | |
5669 | switch (rm) { | |
5670 | case 0: /* monitor */ | |
5671 | if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || | |
5672 | s->cpl != 0) | |
5673 | goto illegal_op; | |
5674 | gen_jmp_im(pc_start - s->cs_base); | |
5675 | #ifdef TARGET_X86_64 | |
5676 | if (s->aflag == 2) { | |
5677 | gen_op_movq_A0_reg[R_EBX](); | |
5678 | gen_op_addq_A0_AL(); | |
5679 | } else | |
5680 | #endif | |
5681 | { | |
5682 | gen_op_movl_A0_reg[R_EBX](); | |
5683 | gen_op_addl_A0_AL(); | |
5684 | if (s->aflag == 0) | |
5685 | gen_op_andl_A0_ffff(); | |
5686 | } | |
5687 | gen_add_A0_ds_seg(s); | |
5688 | gen_op_monitor(); | |
5689 | break; | |
5690 | case 1: /* mwait */ | |
5691 | if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || | |
5692 | s->cpl != 0) | |
5693 | goto illegal_op; | |
5694 | if (s->cc_op != CC_OP_DYNAMIC) { | |
5695 | gen_op_set_cc_op(s->cc_op); | |
5696 | s->cc_op = CC_OP_DYNAMIC; | |
5697 | } | |
5698 | gen_jmp_im(s->pc - s->cs_base); | |
5699 | gen_op_mwait(); | |
5700 | gen_eob(s); | |
5701 | break; | |
5702 | default: | |
5703 | goto illegal_op; | |
5704 | } | |
5705 | } else { /* sidt */ | |
5706 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5707 | gen_op_movl_T0_env(offsetof(CPUX86State, idt.limit)); | |
5708 | gen_op_st_T0_A0[OT_WORD + s->mem_index](); | |
5709 | gen_add_A0_im(s, 2); | |
5710 | gen_op_movtl_T0_env(offsetof(CPUX86State, idt.base)); | |
5711 | if (!s->dflag) | |
5712 | gen_op_andl_T0_im(0xffffff); | |
5713 | gen_op_st_T0_A0[CODE64(s) + OT_LONG + s->mem_index](); | |
5714 | } | |
5715 | break; | |
2c0262af FB |
5716 | case 2: /* lgdt */ |
5717 | case 3: /* lidt */ | |
5718 | if (mod == 3) | |
5719 | goto illegal_op; | |
5720 | if (s->cpl != 0) { | |
5721 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5722 | } else { | |
5723 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5724 | gen_op_ld_T1_A0[OT_WORD + s->mem_index](); | |
aba9d61e | 5725 | gen_add_A0_im(s, 2); |
14ce26e7 | 5726 | gen_op_ld_T0_A0[CODE64(s) + OT_LONG + s->mem_index](); |
2c0262af FB |
5727 | if (!s->dflag) |
5728 | gen_op_andl_T0_im(0xffffff); | |
5729 | if (op == 2) { | |
14ce26e7 | 5730 | gen_op_movtl_env_T0(offsetof(CPUX86State,gdt.base)); |
2c0262af FB |
5731 | gen_op_movl_env_T1(offsetof(CPUX86State,gdt.limit)); |
5732 | } else { | |
14ce26e7 | 5733 | gen_op_movtl_env_T0(offsetof(CPUX86State,idt.base)); |
2c0262af FB |
5734 | gen_op_movl_env_T1(offsetof(CPUX86State,idt.limit)); |
5735 | } | |
5736 | } | |
5737 | break; | |
5738 | case 4: /* smsw */ | |
5739 | gen_op_movl_T0_env(offsetof(CPUX86State,cr[0])); | |
5740 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1); | |
5741 | break; | |
5742 | case 6: /* lmsw */ | |
5743 | if (s->cpl != 0) { | |
5744 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5745 | } else { | |
5746 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); | |
5747 | gen_op_lmsw_T0(); | |
14ce26e7 | 5748 | gen_jmp_im(s->pc - s->cs_base); |
d71b9a8b | 5749 | gen_eob(s); |
2c0262af FB |
5750 | } |
5751 | break; | |
5752 | case 7: /* invlpg */ | |
5753 | if (s->cpl != 0) { | |
5754 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5755 | } else { | |
14ce26e7 FB |
5756 | if (mod == 3) { |
5757 | #ifdef TARGET_X86_64 | |
3d7374c5 | 5758 | if (CODE64(s) && rm == 0) { |
14ce26e7 FB |
5759 | /* swapgs */ |
5760 | gen_op_movtl_T0_env(offsetof(CPUX86State,segs[R_GS].base)); | |
5761 | gen_op_movtl_T1_env(offsetof(CPUX86State,kernelgsbase)); | |
5762 | gen_op_movtl_env_T1(offsetof(CPUX86State,segs[R_GS].base)); | |
5763 | gen_op_movtl_env_T0(offsetof(CPUX86State,kernelgsbase)); | |
5764 | } else | |
5765 | #endif | |
5766 | { | |
5767 | goto illegal_op; | |
5768 | } | |
5769 | } else { | |
5770 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5771 | gen_op_invlpg_A0(); | |
5772 | gen_jmp_im(s->pc - s->cs_base); | |
5773 | gen_eob(s); | |
5774 | } | |
2c0262af FB |
5775 | } |
5776 | break; | |
5777 | default: | |
5778 | goto illegal_op; | |
5779 | } | |
5780 | break; | |
3415a4dd FB |
5781 | case 0x108: /* invd */ |
5782 | case 0x109: /* wbinvd */ | |
5783 | if (s->cpl != 0) { | |
5784 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5785 | } else { | |
5786 | /* nothing to do */ | |
5787 | } | |
5788 | break; | |
14ce26e7 FB |
5789 | case 0x63: /* arpl or movslS (x86_64) */ |
5790 | #ifdef TARGET_X86_64 | |
5791 | if (CODE64(s)) { | |
5792 | int d_ot; | |
5793 | /* d_ot is the size of destination */ | |
5794 | d_ot = dflag + OT_WORD; | |
5795 | ||
5796 | modrm = ldub_code(s->pc++); | |
5797 | reg = ((modrm >> 3) & 7) | rex_r; | |
5798 | mod = (modrm >> 6) & 3; | |
5799 | rm = (modrm & 7) | REX_B(s); | |
5800 | ||
5801 | if (mod == 3) { | |
5802 | gen_op_mov_TN_reg[OT_LONG][0][rm](); | |
5803 | /* sign extend */ | |
5804 | if (d_ot == OT_QUAD) | |
5805 | gen_op_movslq_T0_T0(); | |
5806 | gen_op_mov_reg_T0[d_ot][reg](); | |
5807 | } else { | |
5808 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5809 | if (d_ot == OT_QUAD) { | |
5810 | gen_op_lds_T0_A0[OT_LONG + s->mem_index](); | |
5811 | } else { | |
5812 | gen_op_ld_T0_A0[OT_LONG + s->mem_index](); | |
5813 | } | |
5814 | gen_op_mov_reg_T0[d_ot][reg](); | |
5815 | } | |
5816 | } else | |
5817 | #endif | |
5818 | { | |
5819 | if (!s->pe || s->vm86) | |
5820 | goto illegal_op; | |
5821 | ot = dflag ? OT_LONG : OT_WORD; | |
5822 | modrm = ldub_code(s->pc++); | |
5823 | reg = (modrm >> 3) & 7; | |
5824 | mod = (modrm >> 6) & 3; | |
5825 | rm = modrm & 7; | |
5826 | if (mod != 3) { | |
5827 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5828 | gen_op_ld_T0_A0[ot + s->mem_index](); | |
5829 | } else { | |
5830 | gen_op_mov_TN_reg[ot][0][rm](); | |
5831 | } | |
5832 | if (s->cc_op != CC_OP_DYNAMIC) | |
5833 | gen_op_set_cc_op(s->cc_op); | |
5834 | gen_op_arpl(); | |
5835 | s->cc_op = CC_OP_EFLAGS; | |
5836 | if (mod != 3) { | |
5837 | gen_op_st_T0_A0[ot + s->mem_index](); | |
5838 | } else { | |
5839 | gen_op_mov_reg_T0[ot][rm](); | |
5840 | } | |
5841 | gen_op_arpl_update(); | |
f115e911 | 5842 | } |
f115e911 | 5843 | break; |
2c0262af FB |
5844 | case 0x102: /* lar */ |
5845 | case 0x103: /* lsl */ | |
5846 | if (!s->pe || s->vm86) | |
5847 | goto illegal_op; | |
5848 | ot = dflag ? OT_LONG : OT_WORD; | |
61382a50 | 5849 | modrm = ldub_code(s->pc++); |
14ce26e7 | 5850 | reg = ((modrm >> 3) & 7) | rex_r; |
2c0262af FB |
5851 | gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); |
5852 | gen_op_mov_TN_reg[ot][1][reg](); | |
5853 | if (s->cc_op != CC_OP_DYNAMIC) | |
5854 | gen_op_set_cc_op(s->cc_op); | |
5855 | if (b == 0x102) | |
5856 | gen_op_lar(); | |
5857 | else | |
5858 | gen_op_lsl(); | |
5859 | s->cc_op = CC_OP_EFLAGS; | |
5860 | gen_op_mov_reg_T1[ot][reg](); | |
5861 | break; | |
5862 | case 0x118: | |
61382a50 | 5863 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5864 | mod = (modrm >> 6) & 3; |
5865 | op = (modrm >> 3) & 7; | |
5866 | switch(op) { | |
5867 | case 0: /* prefetchnta */ | |
5868 | case 1: /* prefetchnt0 */ | |
5869 | case 2: /* prefetchnt0 */ | |
5870 | case 3: /* prefetchnt0 */ | |
5871 | if (mod == 3) | |
5872 | goto illegal_op; | |
5873 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
5874 | /* nothing more to do */ | |
5875 | break; | |
e17a36ce FB |
5876 | default: /* nop (multi byte) */ |
5877 | gen_nop_modrm(s, modrm); | |
5878 | break; | |
2c0262af FB |
5879 | } |
5880 | break; | |
e17a36ce FB |
5881 | case 0x119 ... 0x11f: /* nop (multi byte) */ |
5882 | modrm = ldub_code(s->pc++); | |
5883 | gen_nop_modrm(s, modrm); | |
5884 | break; | |
2c0262af FB |
5885 | case 0x120: /* mov reg, crN */ |
5886 | case 0x122: /* mov crN, reg */ | |
5887 | if (s->cpl != 0) { | |
5888 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5889 | } else { | |
61382a50 | 5890 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5891 | if ((modrm & 0xc0) != 0xc0) |
5892 | goto illegal_op; | |
14ce26e7 FB |
5893 | rm = (modrm & 7) | REX_B(s); |
5894 | reg = ((modrm >> 3) & 7) | rex_r; | |
5895 | if (CODE64(s)) | |
5896 | ot = OT_QUAD; | |
5897 | else | |
5898 | ot = OT_LONG; | |
2c0262af FB |
5899 | switch(reg) { |
5900 | case 0: | |
5901 | case 2: | |
5902 | case 3: | |
5903 | case 4: | |
9230e66e | 5904 | case 8: |
2c0262af | 5905 | if (b & 2) { |
14ce26e7 | 5906 | gen_op_mov_TN_reg[ot][0][rm](); |
2c0262af | 5907 | gen_op_movl_crN_T0(reg); |
14ce26e7 | 5908 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5909 | gen_eob(s); |
5910 | } else { | |
82e41634 | 5911 | #if !defined(CONFIG_USER_ONLY) |
9230e66e FB |
5912 | if (reg == 8) |
5913 | gen_op_movtl_T0_cr8(); | |
5914 | else | |
82e41634 | 5915 | #endif |
9230e66e | 5916 | gen_op_movtl_T0_env(offsetof(CPUX86State,cr[reg])); |
14ce26e7 | 5917 | gen_op_mov_reg_T0[ot][rm](); |
2c0262af FB |
5918 | } |
5919 | break; | |
5920 | default: | |
5921 | goto illegal_op; | |
5922 | } | |
5923 | } | |
5924 | break; | |
5925 | case 0x121: /* mov reg, drN */ | |
5926 | case 0x123: /* mov drN, reg */ | |
5927 | if (s->cpl != 0) { | |
5928 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5929 | } else { | |
61382a50 | 5930 | modrm = ldub_code(s->pc++); |
2c0262af FB |
5931 | if ((modrm & 0xc0) != 0xc0) |
5932 | goto illegal_op; | |
14ce26e7 FB |
5933 | rm = (modrm & 7) | REX_B(s); |
5934 | reg = ((modrm >> 3) & 7) | rex_r; | |
5935 | if (CODE64(s)) | |
5936 | ot = OT_QUAD; | |
5937 | else | |
5938 | ot = OT_LONG; | |
2c0262af | 5939 | /* XXX: do it dynamically with CR4.DE bit */ |
14ce26e7 | 5940 | if (reg == 4 || reg == 5 || reg >= 8) |
2c0262af FB |
5941 | goto illegal_op; |
5942 | if (b & 2) { | |
14ce26e7 | 5943 | gen_op_mov_TN_reg[ot][0][rm](); |
2c0262af | 5944 | gen_op_movl_drN_T0(reg); |
14ce26e7 | 5945 | gen_jmp_im(s->pc - s->cs_base); |
2c0262af FB |
5946 | gen_eob(s); |
5947 | } else { | |
14ce26e7 FB |
5948 | gen_op_movtl_T0_env(offsetof(CPUX86State,dr[reg])); |
5949 | gen_op_mov_reg_T0[ot][rm](); | |
2c0262af FB |
5950 | } |
5951 | } | |
5952 | break; | |
5953 | case 0x106: /* clts */ | |
5954 | if (s->cpl != 0) { | |
5955 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); | |
5956 | } else { | |
5957 | gen_op_clts(); | |
7eee2a50 | 5958 | /* abort block because static cpu state changed */ |
14ce26e7 | 5959 | gen_jmp_im(s->pc - s->cs_base); |
7eee2a50 | 5960 | gen_eob(s); |
2c0262af FB |
5961 | } |
5962 | break; | |
664e0f19 FB |
5963 | /* MMX/SSE/SSE2/PNI support */ |
5964 | case 0x1c3: /* MOVNTI reg, mem */ | |
5965 | if (!(s->cpuid_features & CPUID_SSE2)) | |
14ce26e7 | 5966 | goto illegal_op; |
664e0f19 FB |
5967 | ot = s->dflag == 2 ? OT_QUAD : OT_LONG; |
5968 | modrm = ldub_code(s->pc++); | |
5969 | mod = (modrm >> 6) & 3; | |
5970 | if (mod == 3) | |
5971 | goto illegal_op; | |
5972 | reg = ((modrm >> 3) & 7) | rex_r; | |
5973 | /* generate a generic store */ | |
5974 | gen_ldst_modrm(s, modrm, ot, reg, 1); | |
14ce26e7 | 5975 | break; |
664e0f19 FB |
5976 | case 0x1ae: |
5977 | modrm = ldub_code(s->pc++); | |
5978 | mod = (modrm >> 6) & 3; | |
5979 | op = (modrm >> 3) & 7; | |
5980 | switch(op) { | |
5981 | case 0: /* fxsave */ | |
0fd14b72 FB |
5982 | if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
5983 | (s->flags & HF_EM_MASK)) | |
14ce26e7 | 5984 | goto illegal_op; |
0fd14b72 FB |
5985 | if (s->flags & HF_TS_MASK) { |
5986 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
5987 | break; | |
5988 | } | |
664e0f19 FB |
5989 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5990 | gen_op_fxsave_A0((s->dflag == 2)); | |
5991 | break; | |
5992 | case 1: /* fxrstor */ | |
0fd14b72 FB |
5993 | if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || |
5994 | (s->flags & HF_EM_MASK)) | |
14ce26e7 | 5995 | goto illegal_op; |
0fd14b72 FB |
5996 | if (s->flags & HF_TS_MASK) { |
5997 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
5998 | break; | |
5999 | } | |
664e0f19 FB |
6000 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6001 | gen_op_fxrstor_A0((s->dflag == 2)); | |
6002 | break; | |
6003 | case 2: /* ldmxcsr */ | |
6004 | case 3: /* stmxcsr */ | |
6005 | if (s->flags & HF_TS_MASK) { | |
6006 | gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); | |
6007 | break; | |
14ce26e7 | 6008 | } |
664e0f19 FB |
6009 | if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) || |
6010 | mod == 3) | |
14ce26e7 | 6011 | goto illegal_op; |
664e0f19 FB |
6012 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
6013 | if (op == 2) { | |
6014 | gen_op_ld_T0_A0[OT_LONG + s->mem_index](); | |
6015 | gen_op_movl_env_T0(offsetof(CPUX86State, mxcsr)); | |
14ce26e7 | 6016 | } else { |
664e0f19 FB |
6017 | gen_op_movl_T0_env(offsetof(CPUX86State, mxcsr)); |
6018 | gen_op_st_T0_A0[OT_LONG + s->mem_index](); | |
14ce26e7 | 6019 | } |
664e0f19 FB |
6020 | break; |
6021 | case 5: /* lfence */ | |
6022 | case 6: /* mfence */ | |
664e0f19 FB |
6023 | if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE)) |
6024 | goto illegal_op; | |
6025 | break; | |
8f091a59 FB |
6026 | case 7: /* sfence / clflush */ |
6027 | if ((modrm & 0xc7) == 0xc0) { | |
6028 | /* sfence */ | |
6029 | if (!(s->cpuid_features & CPUID_SSE)) | |
6030 | goto illegal_op; | |
6031 | } else { | |
6032 | /* clflush */ | |
6033 | if (!(s->cpuid_features & CPUID_CLFLUSH)) | |
6034 | goto illegal_op; | |
6035 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
6036 | } | |
6037 | break; | |
664e0f19 | 6038 | default: |
14ce26e7 FB |
6039 | goto illegal_op; |
6040 | } | |
6041 | break; | |
8f091a59 FB |
6042 | case 0x10d: /* prefetch */ |
6043 | modrm = ldub_code(s->pc++); | |
6044 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); | |
6045 | /* ignore for now */ | |
6046 | break; | |
3b21e03e FB |
6047 | case 0x1aa: /* rsm */ |
6048 | if (!(s->flags & HF_SMM_MASK)) | |
6049 | goto illegal_op; | |
6050 | if (s->cc_op != CC_OP_DYNAMIC) { | |
6051 | gen_op_set_cc_op(s->cc_op); | |
6052 | s->cc_op = CC_OP_DYNAMIC; | |
6053 | } | |
6054 | gen_jmp_im(s->pc - s->cs_base); | |
6055 | gen_op_rsm(); | |
6056 | gen_eob(s); | |
6057 | break; | |
664e0f19 FB |
6058 | case 0x110 ... 0x117: |
6059 | case 0x128 ... 0x12f: | |
6060 | case 0x150 ... 0x177: | |
6061 | case 0x17c ... 0x17f: | |
6062 | case 0x1c2: | |
6063 | case 0x1c4 ... 0x1c6: | |
6064 | case 0x1d0 ... 0x1fe: | |
6065 | gen_sse(s, b, pc_start, rex_r); | |
6066 | break; | |
2c0262af FB |
6067 | default: |
6068 | goto illegal_op; | |
6069 | } | |
6070 | /* lock generation */ | |
6071 | if (s->prefix & PREFIX_LOCK) | |
6072 | gen_op_unlock(); | |
6073 | return s->pc; | |
6074 | illegal_op: | |
ab1f142b FB |
6075 | if (s->prefix & PREFIX_LOCK) |
6076 | gen_op_unlock(); | |
2c0262af FB |
6077 | /* XXX: ensure that no lock was generated */ |
6078 | gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); | |
6079 | return s->pc; | |
6080 | } | |
6081 | ||
6082 | #define CC_OSZAPC (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C) | |
6083 | #define CC_OSZAP (CC_O | CC_S | CC_Z | CC_A | CC_P) | |
6084 | ||
6085 | /* flags read by an operation */ | |
6086 | static uint16_t opc_read_flags[NB_OPS] = { | |
6087 | [INDEX_op_aas] = CC_A, | |
6088 | [INDEX_op_aaa] = CC_A, | |
6089 | [INDEX_op_das] = CC_A | CC_C, | |
6090 | [INDEX_op_daa] = CC_A | CC_C, | |
6091 | ||
2c0262af FB |
6092 | /* subtle: due to the incl/decl implementation, C is used */ |
6093 | [INDEX_op_update_inc_cc] = CC_C, | |
6094 | ||
6095 | [INDEX_op_into] = CC_O, | |
6096 | ||
6097 | [INDEX_op_jb_subb] = CC_C, | |
6098 | [INDEX_op_jb_subw] = CC_C, | |
6099 | [INDEX_op_jb_subl] = CC_C, | |
6100 | ||
6101 | [INDEX_op_jz_subb] = CC_Z, | |
6102 | [INDEX_op_jz_subw] = CC_Z, | |
6103 | [INDEX_op_jz_subl] = CC_Z, | |
6104 | ||
6105 | [INDEX_op_jbe_subb] = CC_Z | CC_C, | |
6106 | [INDEX_op_jbe_subw] = CC_Z | CC_C, | |
6107 | [INDEX_op_jbe_subl] = CC_Z | CC_C, | |
6108 | ||
6109 | [INDEX_op_js_subb] = CC_S, | |
6110 | [INDEX_op_js_subw] = CC_S, | |
6111 | [INDEX_op_js_subl] = CC_S, | |
6112 | ||
6113 | [INDEX_op_jl_subb] = CC_O | CC_S, | |
6114 | [INDEX_op_jl_subw] = CC_O | CC_S, | |
6115 | [INDEX_op_jl_subl] = CC_O | CC_S, | |
6116 | ||
6117 | [INDEX_op_jle_subb] = CC_O | CC_S | CC_Z, | |
6118 | [INDEX_op_jle_subw] = CC_O | CC_S | CC_Z, | |
6119 | [INDEX_op_jle_subl] = CC_O | CC_S | CC_Z, | |
6120 | ||
6121 | [INDEX_op_loopnzw] = CC_Z, | |
6122 | [INDEX_op_loopnzl] = CC_Z, | |
6123 | [INDEX_op_loopzw] = CC_Z, | |
6124 | [INDEX_op_loopzl] = CC_Z, | |
6125 | ||
6126 | [INDEX_op_seto_T0_cc] = CC_O, | |
6127 | [INDEX_op_setb_T0_cc] = CC_C, | |
6128 | [INDEX_op_setz_T0_cc] = CC_Z, | |
6129 | [INDEX_op_setbe_T0_cc] = CC_Z | CC_C, | |
6130 | [INDEX_op_sets_T0_cc] = CC_S, | |
6131 | [INDEX_op_setp_T0_cc] = CC_P, | |
6132 | [INDEX_op_setl_T0_cc] = CC_O | CC_S, | |
6133 | [INDEX_op_setle_T0_cc] = CC_O | CC_S | CC_Z, | |
6134 | ||
6135 | [INDEX_op_setb_T0_subb] = CC_C, | |
6136 | [INDEX_op_setb_T0_subw] = CC_C, | |
6137 | [INDEX_op_setb_T0_subl] = CC_C, | |
6138 | ||
6139 | [INDEX_op_setz_T0_subb] = CC_Z, | |
6140 | [INDEX_op_setz_T0_subw] = CC_Z, | |
6141 | [INDEX_op_setz_T0_subl] = CC_Z, | |
6142 | ||
6143 | [INDEX_op_setbe_T0_subb] = CC_Z | CC_C, | |
6144 | [INDEX_op_setbe_T0_subw] = CC_Z | CC_C, | |
6145 | [INDEX_op_setbe_T0_subl] = CC_Z | CC_C, | |
6146 | ||
6147 | [INDEX_op_sets_T0_subb] = CC_S, | |
6148 | [INDEX_op_sets_T0_subw] = CC_S, | |
6149 | [INDEX_op_sets_T0_subl] = CC_S, | |
6150 | ||
6151 | [INDEX_op_setl_T0_subb] = CC_O | CC_S, | |
6152 | [INDEX_op_setl_T0_subw] = CC_O | CC_S, | |
6153 | [INDEX_op_setl_T0_subl] = CC_O | CC_S, | |
6154 | ||
6155 | [INDEX_op_setle_T0_subb] = CC_O | CC_S | CC_Z, | |
6156 | [INDEX_op_setle_T0_subw] = CC_O | CC_S | CC_Z, | |
6157 | [INDEX_op_setle_T0_subl] = CC_O | CC_S | CC_Z, | |
6158 | ||
6159 | [INDEX_op_movl_T0_eflags] = CC_OSZAPC, | |
6160 | [INDEX_op_cmc] = CC_C, | |
6161 | [INDEX_op_salc] = CC_C, | |
6162 | ||
7399c5a9 | 6163 | /* needed for correct flag optimisation before string ops */ |
14ce26e7 FB |
6164 | [INDEX_op_jnz_ecxw] = CC_OSZAPC, |
6165 | [INDEX_op_jnz_ecxl] = CC_OSZAPC, | |
7399c5a9 FB |
6166 | [INDEX_op_jz_ecxw] = CC_OSZAPC, |
6167 | [INDEX_op_jz_ecxl] = CC_OSZAPC, | |
14ce26e7 FB |
6168 | |
6169 | #ifdef TARGET_X86_64 | |
6170 | [INDEX_op_jb_subq] = CC_C, | |
6171 | [INDEX_op_jz_subq] = CC_Z, | |
6172 | [INDEX_op_jbe_subq] = CC_Z | CC_C, | |
6173 | [INDEX_op_js_subq] = CC_S, | |
6174 | [INDEX_op_jl_subq] = CC_O | CC_S, | |
6175 | [INDEX_op_jle_subq] = CC_O | CC_S | CC_Z, | |
6176 | ||
6177 | [INDEX_op_loopnzq] = CC_Z, | |
6178 | [INDEX_op_loopzq] = CC_Z, | |
6179 | ||
6180 | [INDEX_op_setb_T0_subq] = CC_C, | |
6181 | [INDEX_op_setz_T0_subq] = CC_Z, | |
6182 | [INDEX_op_setbe_T0_subq] = CC_Z | CC_C, | |
6183 | [INDEX_op_sets_T0_subq] = CC_S, | |
6184 | [INDEX_op_setl_T0_subq] = CC_O | CC_S, | |
6185 | [INDEX_op_setle_T0_subq] = CC_O | CC_S | CC_Z, | |
6186 | ||
6187 | [INDEX_op_jnz_ecxq] = CC_OSZAPC, | |
6188 | [INDEX_op_jz_ecxq] = CC_OSZAPC, | |
6189 | #endif | |
7399c5a9 | 6190 | |
4f31916f FB |
6191 | #define DEF_READF(SUFFIX)\ |
6192 | [INDEX_op_adcb ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6193 | [INDEX_op_adcw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6194 | [INDEX_op_adcl ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 | 6195 | X86_64_DEF([INDEX_op_adcq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
4f31916f FB |
6196 | [INDEX_op_sbbb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
6197 | [INDEX_op_sbbw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6198 | [INDEX_op_sbbl ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 | 6199 | X86_64_DEF([INDEX_op_sbbq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
4f31916f FB |
6200 | \ |
6201 | [INDEX_op_rclb ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6202 | [INDEX_op_rclw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
6203 | [INDEX_op_rcll ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 | 6204 | X86_64_DEF([INDEX_op_rclq ## SUFFIX ## _T0_T1_cc] = CC_C,)\ |
4f31916f FB |
6205 | [INDEX_op_rcrb ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
6206 | [INDEX_op_rcrw ## SUFFIX ## _T0_T1_cc] = CC_C,\ | |
14ce26e7 FB |
6207 | [INDEX_op_rcrl ## SUFFIX ## _T0_T1_cc] = CC_C,\ |
6208 | X86_64_DEF([INDEX_op_rcrq ## SUFFIX ## _T0_T1_cc] = CC_C,) | |
4f31916f | 6209 | |
4bb2fcc7 | 6210 | DEF_READF( ) |
4f31916f FB |
6211 | DEF_READF(_raw) |
6212 | #ifndef CONFIG_USER_ONLY | |
6213 | DEF_READF(_kernel) | |
6214 | DEF_READF(_user) | |
6215 | #endif | |
2c0262af FB |
6216 | }; |
6217 | ||
6218 | /* flags written by an operation */ | |
6219 | static uint16_t opc_write_flags[NB_OPS] = { | |
6220 | [INDEX_op_update2_cc] = CC_OSZAPC, | |
6221 | [INDEX_op_update1_cc] = CC_OSZAPC, | |
6222 | [INDEX_op_cmpl_T0_T1_cc] = CC_OSZAPC, | |
6223 | [INDEX_op_update_neg_cc] = CC_OSZAPC, | |
6224 | /* subtle: due to the incl/decl implementation, C is used */ | |
6225 | [INDEX_op_update_inc_cc] = CC_OSZAPC, | |
6226 | [INDEX_op_testl_T0_T1_cc] = CC_OSZAPC, | |
6227 | ||
2c0262af | 6228 | [INDEX_op_mulb_AL_T0] = CC_OSZAPC, |
2c0262af | 6229 | [INDEX_op_mulw_AX_T0] = CC_OSZAPC, |
2c0262af | 6230 | [INDEX_op_mull_EAX_T0] = CC_OSZAPC, |
14ce26e7 FB |
6231 | X86_64_DEF([INDEX_op_mulq_EAX_T0] = CC_OSZAPC,) |
6232 | [INDEX_op_imulb_AL_T0] = CC_OSZAPC, | |
6233 | [INDEX_op_imulw_AX_T0] = CC_OSZAPC, | |
2c0262af | 6234 | [INDEX_op_imull_EAX_T0] = CC_OSZAPC, |
14ce26e7 | 6235 | X86_64_DEF([INDEX_op_imulq_EAX_T0] = CC_OSZAPC,) |
2c0262af FB |
6236 | [INDEX_op_imulw_T0_T1] = CC_OSZAPC, |
6237 | [INDEX_op_imull_T0_T1] = CC_OSZAPC, | |
14ce26e7 FB |
6238 | X86_64_DEF([INDEX_op_imulq_T0_T1] = CC_OSZAPC,) |
6239 | ||
664e0f19 FB |
6240 | /* sse */ |
6241 | [INDEX_op_ucomiss] = CC_OSZAPC, | |
6242 | [INDEX_op_ucomisd] = CC_OSZAPC, | |
6243 | [INDEX_op_comiss] = CC_OSZAPC, | |
6244 | [INDEX_op_comisd] = CC_OSZAPC, | |
6245 | ||
2c0262af FB |
6246 | /* bcd */ |
6247 | [INDEX_op_aam] = CC_OSZAPC, | |
6248 | [INDEX_op_aad] = CC_OSZAPC, | |
6249 | [INDEX_op_aas] = CC_OSZAPC, | |
6250 | [INDEX_op_aaa] = CC_OSZAPC, | |
6251 | [INDEX_op_das] = CC_OSZAPC, | |
6252 | [INDEX_op_daa] = CC_OSZAPC, | |
6253 | ||
6254 | [INDEX_op_movb_eflags_T0] = CC_S | CC_Z | CC_A | CC_P | CC_C, | |
6255 | [INDEX_op_movw_eflags_T0] = CC_OSZAPC, | |
6256 | [INDEX_op_movl_eflags_T0] = CC_OSZAPC, | |
4136f33c FB |
6257 | [INDEX_op_movw_eflags_T0_io] = CC_OSZAPC, |
6258 | [INDEX_op_movl_eflags_T0_io] = CC_OSZAPC, | |
6259 | [INDEX_op_movw_eflags_T0_cpl0] = CC_OSZAPC, | |
6260 | [INDEX_op_movl_eflags_T0_cpl0] = CC_OSZAPC, | |
2c0262af FB |
6261 | [INDEX_op_clc] = CC_C, |
6262 | [INDEX_op_stc] = CC_C, | |
6263 | [INDEX_op_cmc] = CC_C, | |
6264 | ||
2c0262af FB |
6265 | [INDEX_op_btw_T0_T1_cc] = CC_OSZAPC, |
6266 | [INDEX_op_btl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6267 | X86_64_DEF([INDEX_op_btq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6268 | [INDEX_op_btsw_T0_T1_cc] = CC_OSZAPC, |
6269 | [INDEX_op_btsl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6270 | X86_64_DEF([INDEX_op_btsq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6271 | [INDEX_op_btrw_T0_T1_cc] = CC_OSZAPC, |
6272 | [INDEX_op_btrl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6273 | X86_64_DEF([INDEX_op_btrq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6274 | [INDEX_op_btcw_T0_T1_cc] = CC_OSZAPC, |
6275 | [INDEX_op_btcl_T0_T1_cc] = CC_OSZAPC, | |
14ce26e7 | 6276 | X86_64_DEF([INDEX_op_btcq_T0_T1_cc] = CC_OSZAPC,) |
2c0262af FB |
6277 | |
6278 | [INDEX_op_bsfw_T0_cc] = CC_OSZAPC, | |
6279 | [INDEX_op_bsfl_T0_cc] = CC_OSZAPC, | |
14ce26e7 | 6280 | X86_64_DEF([INDEX_op_bsfq_T0_cc] = CC_OSZAPC,) |
2c0262af FB |
6281 | [INDEX_op_bsrw_T0_cc] = CC_OSZAPC, |
6282 | [INDEX_op_bsrl_T0_cc] = CC_OSZAPC, | |
14ce26e7 | 6283 | X86_64_DEF([INDEX_op_bsrq_T0_cc] = CC_OSZAPC,) |
2c0262af FB |
6284 | |
6285 | [INDEX_op_cmpxchgb_T0_T1_EAX_cc] = CC_OSZAPC, | |
6286 | [INDEX_op_cmpxchgw_T0_T1_EAX_cc] = CC_OSZAPC, | |
6287 | [INDEX_op_cmpxchgl_T0_T1_EAX_cc] = CC_OSZAPC, | |
14ce26e7 | 6288 | X86_64_DEF([INDEX_op_cmpxchgq_T0_T1_EAX_cc] = CC_OSZAPC,) |
2c0262af | 6289 | |
2c0262af FB |
6290 | [INDEX_op_cmpxchg8b] = CC_Z, |
6291 | [INDEX_op_lar] = CC_Z, | |
6292 | [INDEX_op_lsl] = CC_Z, | |
cc6f538b FB |
6293 | [INDEX_op_verr] = CC_Z, |
6294 | [INDEX_op_verw] = CC_Z, | |
2c0262af FB |
6295 | [INDEX_op_fcomi_ST0_FT0] = CC_Z | CC_P | CC_C, |
6296 | [INDEX_op_fucomi_ST0_FT0] = CC_Z | CC_P | CC_C, | |
4f31916f FB |
6297 | |
6298 | #define DEF_WRITEF(SUFFIX)\ | |
6299 | [INDEX_op_adcb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6300 | [INDEX_op_adcw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6301 | [INDEX_op_adcl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6302 | X86_64_DEF([INDEX_op_adcq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6303 | [INDEX_op_sbbb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ |
6304 | [INDEX_op_sbbw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6305 | [INDEX_op_sbbl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6306 | X86_64_DEF([INDEX_op_sbbq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6307 | \ |
6308 | [INDEX_op_rolb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6309 | [INDEX_op_rolw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6310 | [INDEX_op_roll ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6311 | X86_64_DEF([INDEX_op_rolq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6312 | [INDEX_op_rorb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
6313 | [INDEX_op_rorw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6314 | [INDEX_op_rorl ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6315 | X86_64_DEF([INDEX_op_rorq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6316 | \ |
6317 | [INDEX_op_rclb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6318 | [INDEX_op_rclw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6319 | [INDEX_op_rcll ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6320 | X86_64_DEF([INDEX_op_rclq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6321 | [INDEX_op_rcrb ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ |
6322 | [INDEX_op_rcrw ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
6323 | [INDEX_op_rcrl ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,\ | |
14ce26e7 | 6324 | X86_64_DEF([INDEX_op_rcrq ## SUFFIX ## _T0_T1_cc] = CC_O | CC_C,)\ |
4f31916f FB |
6325 | \ |
6326 | [INDEX_op_shlb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6327 | [INDEX_op_shlw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6328 | [INDEX_op_shll ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6329 | X86_64_DEF([INDEX_op_shlq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6330 | \ |
6331 | [INDEX_op_shrb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6332 | [INDEX_op_shrw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6333 | [INDEX_op_shrl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6334 | X86_64_DEF([INDEX_op_shrq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6335 | \ |
6336 | [INDEX_op_sarb ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6337 | [INDEX_op_sarw ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
6338 | [INDEX_op_sarl ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6339 | X86_64_DEF([INDEX_op_sarq ## SUFFIX ## _T0_T1_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6340 | \ |
6341 | [INDEX_op_shldw ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
6342 | [INDEX_op_shldl ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6343 | X86_64_DEF([INDEX_op_shldq ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6344 | [INDEX_op_shldw ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
6345 | [INDEX_op_shldl ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6346 | X86_64_DEF([INDEX_op_shldq ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6347 | \ |
6348 | [INDEX_op_shrdw ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
6349 | [INDEX_op_shrdl ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6350 | X86_64_DEF([INDEX_op_shrdq ## SUFFIX ## _T0_T1_ECX_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6351 | [INDEX_op_shrdw ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ |
6352 | [INDEX_op_shrdl ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,\ | |
14ce26e7 | 6353 | X86_64_DEF([INDEX_op_shrdq ## SUFFIX ## _T0_T1_im_cc] = CC_OSZAPC,)\ |
4f31916f FB |
6354 | \ |
6355 | [INDEX_op_cmpxchgb ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ | |
6356 | [INDEX_op_cmpxchgw ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ | |
14ce26e7 FB |
6357 | [INDEX_op_cmpxchgl ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,\ |
6358 | X86_64_DEF([INDEX_op_cmpxchgq ## SUFFIX ## _T0_T1_EAX_cc] = CC_OSZAPC,) | |
4f31916f FB |
6359 | |
6360 | ||
4bb2fcc7 | 6361 | DEF_WRITEF( ) |
4f31916f FB |
6362 | DEF_WRITEF(_raw) |
6363 | #ifndef CONFIG_USER_ONLY | |
6364 | DEF_WRITEF(_kernel) | |
6365 | DEF_WRITEF(_user) | |
6366 | #endif | |
2c0262af FB |
6367 | }; |
6368 | ||
6369 | /* simpler form of an operation if no flags need to be generated */ | |
6370 | static uint16_t opc_simpler[NB_OPS] = { | |
6371 | [INDEX_op_update2_cc] = INDEX_op_nop, | |
6372 | [INDEX_op_update1_cc] = INDEX_op_nop, | |
6373 | [INDEX_op_update_neg_cc] = INDEX_op_nop, | |
6374 | #if 0 | |
6375 | /* broken: CC_OP logic must be rewritten */ | |
6376 | [INDEX_op_update_inc_cc] = INDEX_op_nop, | |
6377 | #endif | |
2c0262af FB |
6378 | |
6379 | [INDEX_op_shlb_T0_T1_cc] = INDEX_op_shlb_T0_T1, | |
6380 | [INDEX_op_shlw_T0_T1_cc] = INDEX_op_shlw_T0_T1, | |
6381 | [INDEX_op_shll_T0_T1_cc] = INDEX_op_shll_T0_T1, | |
14ce26e7 | 6382 | X86_64_DEF([INDEX_op_shlq_T0_T1_cc] = INDEX_op_shlq_T0_T1,) |
2c0262af FB |
6383 | |
6384 | [INDEX_op_shrb_T0_T1_cc] = INDEX_op_shrb_T0_T1, | |
6385 | [INDEX_op_shrw_T0_T1_cc] = INDEX_op_shrw_T0_T1, | |
6386 | [INDEX_op_shrl_T0_T1_cc] = INDEX_op_shrl_T0_T1, | |
14ce26e7 | 6387 | X86_64_DEF([INDEX_op_shrq_T0_T1_cc] = INDEX_op_shrq_T0_T1,) |
2c0262af FB |
6388 | |
6389 | [INDEX_op_sarb_T0_T1_cc] = INDEX_op_sarb_T0_T1, | |
6390 | [INDEX_op_sarw_T0_T1_cc] = INDEX_op_sarw_T0_T1, | |
6391 | [INDEX_op_sarl_T0_T1_cc] = INDEX_op_sarl_T0_T1, | |
14ce26e7 | 6392 | X86_64_DEF([INDEX_op_sarq_T0_T1_cc] = INDEX_op_sarq_T0_T1,) |
4f31916f FB |
6393 | |
6394 | #define DEF_SIMPLER(SUFFIX)\ | |
6395 | [INDEX_op_rolb ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolb ## SUFFIX ## _T0_T1,\ | |
6396 | [INDEX_op_rolw ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolw ## SUFFIX ## _T0_T1,\ | |
6397 | [INDEX_op_roll ## SUFFIX ## _T0_T1_cc] = INDEX_op_roll ## SUFFIX ## _T0_T1,\ | |
14ce26e7 | 6398 | X86_64_DEF([INDEX_op_rolq ## SUFFIX ## _T0_T1_cc] = INDEX_op_rolq ## SUFFIX ## _T0_T1,)\ |
4f31916f FB |
6399 | \ |
6400 | [INDEX_op_rorb ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorb ## SUFFIX ## _T0_T1,\ | |
6401 | [INDEX_op_rorw ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorw ## SUFFIX ## _T0_T1,\ | |
14ce26e7 FB |
6402 | [INDEX_op_rorl ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorl ## SUFFIX ## _T0_T1,\ |
6403 | X86_64_DEF([INDEX_op_rorq ## SUFFIX ## _T0_T1_cc] = INDEX_op_rorq ## SUFFIX ## _T0_T1,) | |
4f31916f | 6404 | |
4bb2fcc7 | 6405 | DEF_SIMPLER( ) |
4f31916f FB |
6406 | DEF_SIMPLER(_raw) |
6407 | #ifndef CONFIG_USER_ONLY | |
6408 | DEF_SIMPLER(_kernel) | |
6409 | DEF_SIMPLER(_user) | |
6410 | #endif | |
2c0262af FB |
6411 | }; |
6412 | ||
6413 | void optimize_flags_init(void) | |
6414 | { | |
6415 | int i; | |
6416 | /* put default values in arrays */ | |
6417 | for(i = 0; i < NB_OPS; i++) { | |
6418 | if (opc_simpler[i] == 0) | |
6419 | opc_simpler[i] = i; | |
6420 | } | |
6421 | } | |
6422 | ||
6423 | /* CPU flags computation optimization: we move backward thru the | |
6424 | generated code to see which flags are needed. The operation is | |
6425 | modified if suitable */ | |
6426 | static void optimize_flags(uint16_t *opc_buf, int opc_buf_len) | |
6427 | { | |
6428 | uint16_t *opc_ptr; | |
6429 | int live_flags, write_flags, op; | |
6430 | ||
6431 | opc_ptr = opc_buf + opc_buf_len; | |
6432 | /* live_flags contains the flags needed by the next instructions | |
6433 | in the code. At the end of the bloc, we consider that all the | |
6434 | flags are live. */ | |
6435 | live_flags = CC_OSZAPC; | |
6436 | while (opc_ptr > opc_buf) { | |
6437 | op = *--opc_ptr; | |
6438 | /* if none of the flags written by the instruction is used, | |
6439 | then we can try to find a simpler instruction */ | |
6440 | write_flags = opc_write_flags[op]; | |
6441 | if ((live_flags & write_flags) == 0) { | |
6442 | *opc_ptr = opc_simpler[op]; | |
6443 | } | |
6444 | /* compute the live flags before the instruction */ | |
6445 | live_flags &= ~write_flags; | |
6446 | live_flags |= opc_read_flags[op]; | |
6447 | } | |
6448 | } | |
6449 | ||
6450 | /* generate intermediate code in gen_opc_buf and gen_opparam_buf for | |
6451 | basic block 'tb'. If search_pc is TRUE, also generate PC | |
6452 | information for each intermediate instruction. */ | |
6453 | static inline int gen_intermediate_code_internal(CPUState *env, | |
6454 | TranslationBlock *tb, | |
6455 | int search_pc) | |
6456 | { | |
6457 | DisasContext dc1, *dc = &dc1; | |
14ce26e7 | 6458 | target_ulong pc_ptr; |
2c0262af | 6459 | uint16_t *gen_opc_end; |
d720b93d | 6460 | int flags, j, lj, cflags; |
14ce26e7 FB |
6461 | target_ulong pc_start; |
6462 | target_ulong cs_base; | |
2c0262af FB |
6463 | |
6464 | /* generate intermediate code */ | |
14ce26e7 FB |
6465 | pc_start = tb->pc; |
6466 | cs_base = tb->cs_base; | |
2c0262af | 6467 | flags = tb->flags; |
d720b93d | 6468 | cflags = tb->cflags; |
3a1d9b8b | 6469 | |
4f31916f | 6470 | dc->pe = (flags >> HF_PE_SHIFT) & 1; |
2c0262af FB |
6471 | dc->code32 = (flags >> HF_CS32_SHIFT) & 1; |
6472 | dc->ss32 = (flags >> HF_SS32_SHIFT) & 1; | |
6473 | dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1; | |
6474 | dc->f_st = 0; | |
6475 | dc->vm86 = (flags >> VM_SHIFT) & 1; | |
6476 | dc->cpl = (flags >> HF_CPL_SHIFT) & 3; | |
6477 | dc->iopl = (flags >> IOPL_SHIFT) & 3; | |
6478 | dc->tf = (flags >> TF_SHIFT) & 1; | |
34865134 | 6479 | dc->singlestep_enabled = env->singlestep_enabled; |
2c0262af FB |
6480 | dc->cc_op = CC_OP_DYNAMIC; |
6481 | dc->cs_base = cs_base; | |
6482 | dc->tb = tb; | |
6483 | dc->popl_esp_hack = 0; | |
6484 | /* select memory access functions */ | |
6485 | dc->mem_index = 0; | |
6486 | if (flags & HF_SOFTMMU_MASK) { | |
6487 | if (dc->cpl == 3) | |
14ce26e7 | 6488 | dc->mem_index = 2 * 4; |
2c0262af | 6489 | else |
14ce26e7 | 6490 | dc->mem_index = 1 * 4; |
2c0262af | 6491 | } |
14ce26e7 | 6492 | dc->cpuid_features = env->cpuid_features; |
3d7374c5 | 6493 | dc->cpuid_ext_features = env->cpuid_ext_features; |
14ce26e7 FB |
6494 | #ifdef TARGET_X86_64 |
6495 | dc->lma = (flags >> HF_LMA_SHIFT) & 1; | |
6496 | dc->code64 = (flags >> HF_CS64_SHIFT) & 1; | |
6497 | #endif | |
7eee2a50 | 6498 | dc->flags = flags; |
a2cc3b24 FB |
6499 | dc->jmp_opt = !(dc->tf || env->singlestep_enabled || |
6500 | (flags & HF_INHIBIT_IRQ_MASK) | |
415fa2ea | 6501 | #ifndef CONFIG_SOFTMMU |
2c0262af FB |
6502 | || (flags & HF_SOFTMMU_MASK) |
6503 | #endif | |
6504 | ); | |
4f31916f FB |
6505 | #if 0 |
6506 | /* check addseg logic */ | |
dc196a57 | 6507 | if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32)) |
4f31916f FB |
6508 | printf("ERROR addseg\n"); |
6509 | #endif | |
6510 | ||
2c0262af FB |
6511 | gen_opc_ptr = gen_opc_buf; |
6512 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; | |
6513 | gen_opparam_ptr = gen_opparam_buf; | |
14ce26e7 | 6514 | nb_gen_labels = 0; |
2c0262af FB |
6515 | |
6516 | dc->is_jmp = DISAS_NEXT; | |
6517 | pc_ptr = pc_start; | |
6518 | lj = -1; | |
6519 | ||
2c0262af FB |
6520 | for(;;) { |
6521 | if (env->nb_breakpoints > 0) { | |
6522 | for(j = 0; j < env->nb_breakpoints; j++) { | |
14ce26e7 | 6523 | if (env->breakpoints[j] == pc_ptr) { |
2c0262af FB |
6524 | gen_debug(dc, pc_ptr - dc->cs_base); |
6525 | break; | |
6526 | } | |
6527 | } | |
6528 | } | |
6529 | if (search_pc) { | |
6530 | j = gen_opc_ptr - gen_opc_buf; | |
6531 | if (lj < j) { | |
6532 | lj++; | |
6533 | while (lj < j) | |
6534 | gen_opc_instr_start[lj++] = 0; | |
6535 | } | |
14ce26e7 | 6536 | gen_opc_pc[lj] = pc_ptr; |
2c0262af FB |
6537 | gen_opc_cc_op[lj] = dc->cc_op; |
6538 | gen_opc_instr_start[lj] = 1; | |
6539 | } | |
6540 | pc_ptr = disas_insn(dc, pc_ptr); | |
6541 | /* stop translation if indicated */ | |
6542 | if (dc->is_jmp) | |
6543 | break; | |
6544 | /* if single step mode, we generate only one instruction and | |
6545 | generate an exception */ | |
a2cc3b24 FB |
6546 | /* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear |
6547 | the flag and abort the translation to give the irqs a | |
6548 | change to be happen */ | |
6549 | if (dc->tf || dc->singlestep_enabled || | |
d720b93d FB |
6550 | (flags & HF_INHIBIT_IRQ_MASK) || |
6551 | (cflags & CF_SINGLE_INSN)) { | |
14ce26e7 | 6552 | gen_jmp_im(pc_ptr - dc->cs_base); |
2c0262af FB |
6553 | gen_eob(dc); |
6554 | break; | |
6555 | } | |
6556 | /* if too long translation, stop generation too */ | |
6557 | if (gen_opc_ptr >= gen_opc_end || | |
6558 | (pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32)) { | |
14ce26e7 | 6559 | gen_jmp_im(pc_ptr - dc->cs_base); |
2c0262af FB |
6560 | gen_eob(dc); |
6561 | break; | |
6562 | } | |
6563 | } | |
6564 | *gen_opc_ptr = INDEX_op_end; | |
6565 | /* we don't forget to fill the last values */ | |
6566 | if (search_pc) { | |
6567 | j = gen_opc_ptr - gen_opc_buf; | |
6568 | lj++; | |
6569 | while (lj <= j) | |
6570 | gen_opc_instr_start[lj++] = 0; | |
6571 | } | |
6572 | ||
6573 | #ifdef DEBUG_DISAS | |
658c8bda | 6574 | if (loglevel & CPU_LOG_TB_CPU) { |
7fe48483 | 6575 | cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP); |
658c8bda | 6576 | } |
e19e89a5 | 6577 | if (loglevel & CPU_LOG_TB_IN_ASM) { |
14ce26e7 | 6578 | int disas_flags; |
2c0262af FB |
6579 | fprintf(logfile, "----------------\n"); |
6580 | fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); | |
14ce26e7 FB |
6581 | #ifdef TARGET_X86_64 |
6582 | if (dc->code64) | |
6583 | disas_flags = 2; | |
6584 | else | |
6585 | #endif | |
6586 | disas_flags = !dc->code32; | |
6587 | target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags); | |
2c0262af | 6588 | fprintf(logfile, "\n"); |
e19e89a5 FB |
6589 | if (loglevel & CPU_LOG_TB_OP) { |
6590 | fprintf(logfile, "OP:\n"); | |
6591 | dump_ops(gen_opc_buf, gen_opparam_buf); | |
6592 | fprintf(logfile, "\n"); | |
6593 | } | |
2c0262af FB |
6594 | } |
6595 | #endif | |
6596 | ||
6597 | /* optimize flag computations */ | |
6598 | optimize_flags(gen_opc_buf, gen_opc_ptr - gen_opc_buf); | |
6599 | ||
6600 | #ifdef DEBUG_DISAS | |
e19e89a5 | 6601 | if (loglevel & CPU_LOG_TB_OP_OPT) { |
2c0262af FB |
6602 | fprintf(logfile, "AFTER FLAGS OPT:\n"); |
6603 | dump_ops(gen_opc_buf, gen_opparam_buf); | |
6604 | fprintf(logfile, "\n"); | |
6605 | } | |
6606 | #endif | |
6607 | if (!search_pc) | |
6608 | tb->size = pc_ptr - pc_start; | |
6609 | return 0; | |
6610 | } | |
6611 | ||
6612 | int gen_intermediate_code(CPUState *env, TranslationBlock *tb) | |
6613 | { | |
6614 | return gen_intermediate_code_internal(env, tb, 0); | |
6615 | } | |
6616 | ||
6617 | int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) | |
6618 | { | |
6619 | return gen_intermediate_code_internal(env, tb, 1); | |
6620 | } | |
6621 |