1// Copyright (c) 2008 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright
9// notice, this list of conditions and the following disclaimer in the
10// documentation and/or other materials provided with the distribution;
11// neither the name of the copyright holders nor the names of its
12// contributors may be used to endorse or promote products derived from
13// this software without specific prior written permission.
14//
15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26//
27// Authors: Gabe Black
28
29// Copyright (c) 2007-2008 The Hewlett-Packard Development Company
30// All rights reserved.
31//
32// Redistribution and use of this software in source and binary forms,
33// with or without modification, are permitted provided that the
34// following conditions are met:
35//
36// The software must be used only for Non-Commercial Use which means any
37// use which is NOT directed to receiving any direct monetary
38// compensation for, or commercial advantage from such use. Illustrative
39// examples of non-commercial use are academic research, personal study,
40// teaching, education and corporate research & development.
41// Illustrative examples of commercial use are distributing products for
42// commercial advantage and providing services using the software for
43// commercial advantage.
44//
45// If you wish to use this software or functionality therein that may be
46// covered by patents for commercial use, please contact:
47// Director of Intellectual Property Licensing
48// Office of Strategy and Technology
49// Hewlett-Packard Company
50// 1501 Page Mill Road
51// Palo Alto, California 94304
52//
53// Redistributions of source code must retain the above copyright notice,
54// this list of conditions and the following disclaimer. Redistributions
55// in binary form must reproduce the above copyright notice, this list of
56// conditions and the following disclaimer in the documentation and/or
57// other materials provided with the distribution. Neither the name of
58// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
59// contributors may be used to endorse or promote products derived from
60// this software without specific prior written permission. No right of
61// sublicense is granted herewith. Derivatives of the software and
62// output created using the software may be prepared, but only for
63// Non-Commercial Uses. Derivatives of the software may be shared with
64// others provided: (i) the others agree to abide by the list of
65// conditions herein which includes the Non-Commercial Use restrictions;
66// and (ii) such Derivatives of the software include the above copyright
67// notice to acknowledge the contribution from this software where
68// applicable, this list of conditions and the disclaimer below.
69//
70// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
71// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
72// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
73// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
74// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
75// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
76// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
77// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
78// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
79// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
80// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
81//
82// Authors: Gabe Black
83
84////////////////////////////////////////////////////////////////////
85//
86// Decode the two byte opcodes
87//
880x2: decode OPCODE_PREFIXA {
89 0x0F: decode OPCODE_OP_TOP5 {
90 format WarnUnimpl {
91 0x00: decode OPCODE_OP_BOTTOM3 {
92 //0x00: group6();
93 0x00: decode MODRM_REG {
94 0x0: sldt_Mw_or_Rv();
95 0x1: str_Mw_or_Rv();
96 0x2: Inst::LLDT(Ew);
97 0x3: Inst::LTR(Ew);
98 0x4: verr_Mw_or_Rv();
99 0x5: verw_Mw_or_Rv();
100 //0x6: jmpe_Ev(); // IA-64
101 default: Inst::UD2();
102 }
103 //0x01: group7(); // Ugly, ugly, ugly...
104 0x01: decode MODRM_MOD {
105 0x3: decode MODRM_REG {
106 0x0: decode MODRM_RM {
107 0x1: vmcall();
108 0x2: vmlaunch();
109 0x3: vmresume();
110 0x4: vmxoff();
111 default: Inst::UD2();
112 }
113 0x1: decode MODRM_RM {
114 0x0: monitor();
115 0x1: mwait();
116 default: Inst::UD2();
117 }
118 0x3: decode MODRM_RM {
119 0x0: vmrun();
120 0x1: vmmcall();
121 0x2: vmload();
122 0x3: vmsave();
123 0x4: stgi();
124 0x5: clgi();
125 0x6: skinit();
126 0x7: invlpga();
127 }
128 0x4: Inst::SMSW(Rv);
129 0x6: Inst::LMSW(Rv);
130 0x7: decode MODRM_RM {
131 0x0: Inst::SWAPGS();
132 0x1: rdtscp();
133 default: Inst::UD2();
134 }
135 default: Inst::UD2();
136 }
137 default: decode MODRM_REG {
138 0x0: sgdt_Ms();
139 0x1: sidt_Ms();
140 0x2: decode MODE_SUBMODE {
141 0x0: Inst::LGDT(M);
142 default: decode OPSIZE {
143 // 16 bit operand sizes are special, but only
144 // in legacy and compatability modes.
145 0x2: Inst::LGDT_16(M);
146 default: Inst::LGDT(M);
147 }
148 }
149 0x3: decode MODE_SUBMODE {
150 0x0: Inst::LIDT(M);
151 default: decode OPSIZE {
152 // 16 bit operand sizes are special, but only
153 // in legacy and compatability modes.
154 0x2: Inst::LIDT_16(M);
155 default: Inst::LIDT(M);
156 }
157 }
158 0x4: Inst::SMSW(Mw);
159 0x6: Inst::LMSW(Mw);
160 0x7: Inst::INVLPG(M);
161 default: Inst::UD2();
162 }
163 }
164 0x02: lar_Gv_Ew();
165 0x03: lsl_Gv_Ew();
166 // sandpile.org doesn't seem to know what this is...? We'll
167 // use it for pseudo instructions. We've got 16 bits of space
168 // to play with so there can be quite a few pseudo
169 // instructions.
170 //0x04: loadall_or_reset_or_hang();
171 0x4: decode IMMEDIATE {
172 format BasicOperate {
173#if FULL_SYSTEM
174 0x00: m5arm({{
175 PseudoInst::arm(xc->tcBase());
176 }}, IsNonSpeculative);
177 0x01: m5quiesce({{
178 PseudoInst::quiesce(xc->tcBase());
179 }}, IsNonSpeculative);
180 0x02: m5quiesceNs({{
181 PseudoInst::quiesceNs(xc->tcBase(), Rdi);
182 }}, IsNonSpeculative);
183 0x03: m5quiesceCycle({{
184 PseudoInst::quiesceCycles(xc->tcBase(), Rdi);
185 }}, IsNonSpeculative);
186 0x04: m5quiesceTime({{
187 Rax = PseudoInst::quiesceTime(xc->tcBase());
188 }}, IsNonSpeculative);
189#endif
190 0x07: m5rpns({{
191 Rax = PseudoInst::rpns(xc->tcBase());
192 }}, IsNonSpeculative);
193 0x21: m5exit({{
194 PseudoInst::m5exit(xc->tcBase(), Rdi);
195 }}, IsNonSpeculative);
196#if FULL_SYSTEM
197 0x30: m5initparam({{
198 Rax = xc->tcBase()->getCpuPtr()->
199 system->init_param;
200 }}, IsNonSpeculative);
201 0x31: m5loadsymbol({{
202 PseudoInst::loadsymbol(xc->tcBase());
203 }}, IsNonSpeculative);
204#endif
205 0x40: m5resetstats({{
206 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi);
207 }}, IsNonSpeculative);
208 0x41: m5dumpstats({{
209 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi);
210 }}, IsNonSpeculative);
211 0x42: m5dumpresetstats({{
212 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi);
213 }}, IsNonSpeculative);
214 0x43: m5checkpoint({{
215 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi);
216 }}, IsNonSpeculative);
217#if FULL_SYSTEM
218 0x50: m5readfile({{
219 Rax = PseudoInst::readfile(
220 xc->tcBase(), Rdi, Rsi, Rdx);
221 }}, IsNonSpeculative);
222#endif
223 0x51: m5debugbreak({{
224 PseudoInst::debugbreak(xc->tcBase());
225 }}, IsNonSpeculative);
226 0x52: m5switchcpu({{
227 PseudoInst::switchcpu(xc->tcBase());
228 }}, IsNonSpeculative);
229#if FULL_SYSTEM
230 0x53: m5addsymbol({{
231 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi);
232 }}, IsNonSpeculative);
233#endif
234 0x54: m5panic({{
235 panic("M5 panic instruction called at pc=%#x.\n",
236 xc->readPC());
237 }}, IsNonSpeculative);
238 0x55: m5reserved1({{
239 warn("M5 reserved opcode 1 ignored.\n");
240 }}, IsNonSpeculative);
241 0x56: m5reserved2({{
242 warn("M5 reserved opcode 2 ignored.\n");
243 }}, IsNonSpeculative);
244 0x57: m5reserved3({{
245 warn("M5 reserved opcode 3 ignored.\n");
246 }}, IsNonSpeculative);
247 0x58: m5reserved4({{
248 warn("M5 reserved opcode 4 ignored.\n");
249 }}, IsNonSpeculative);
250 0x59: m5reserved5({{
251 warn("M5 reserved opcode 5 ignored.\n");
252 }}, IsNonSpeculative);
253 default: Inst::UD2();
254 }
255 }
256#if FULL_SYSTEM
257 0x05: decode MODE_MODE {
258 0x0: decode MODE_SUBMODE {
259 0x0: Inst::SYSCALL_64();
260 0x1: Inst::SYSCALL_COMPAT();
261 }
262 0x1: Inst::SYSCALL_LEGACY();
263 }
264#else
265 0x05: SyscallInst::syscall('xc->syscall(Rax)', IsSyscall);
266#endif
267 0x06: Inst::CLTS();
268 0x07: decode MODE_SUBMODE {
269 0x0: decode OPSIZE {
270 // Return to 64 bit mode.
271 0x8: Inst::SYSRET_TO_64();
272 // Return to compatibility mode.
273 default: Inst::SYSRET_TO_COMPAT();
274 }
275 default: Inst::SYSRET_NON_64();
276 }
277 }
278 0x01: decode OPCODE_OP_BOTTOM3 {
279 0x0: invd();
280 0x1: wbinvd();
281 0x2: Inst::UD2();
282 0x3: Inst::UD2();
283 0x4: Inst::UD2();
284 0x5: Inst::PREFETCH(Mb);
285 0x6: FailUnimpl::femms();
286 0x7: FailUnimpl::threednow();
287 }
288 0x02: decode LEGACY_DECODEVAL {
289 // no prefix
290 0x0: decode OPCODE_OP_BOTTOM3 {
291 0x0: Inst::MOVUPS(Vo,Wo);
292 0x1: Inst::MOVUPS(Wo,Vo);
293 0x2: decode MODRM_MOD {
294 0x3: Inst::MOVHLPS(Vq,VRq);
295 default: Inst::MOVLPS(Vq,Mq);
296 }
297 0x3: Inst::MOVLPS(Mq,Vq);
298 0x4: Inst::UNPCKLPS(Vps,Wq);
299 0x5: Inst::UNPCKHPS(Vpd,Wq);
300 0x6: decode MODRM_MOD {
301 0x3: Inst::MOVLHPS(Vq,VRq);
302 default: Inst::MOVHPS(Vq,Mq);
303 }
304 0x7: Inst::MOVHPS(Mq,Vq);
305 }
306 // repe (0xF3)
307 0x4: decode OPCODE_OP_BOTTOM3 {
308 0x0: movss_Vd_Wd();
309 0x1: movss_Wd_Vd();
310 0x2: movsldup_Vo_Wo();
311 0x6: movshdup_Vo_Wo();
312 default: Inst::UD2();
313 }
314 // operand size (0x66)
315 0x1: decode OPCODE_OP_BOTTOM3 {
316 0x0: Inst::MOVUPD(Vo,Wo);
317 0x1: Inst::MOVUPD(Wo,Vo);
318 0x2: Inst::MOVLPD(Vq,Mq);
319 0x3: Inst::MOVLPD(Mq,Vq);
320 0x4: Inst::UNPCKLPD(Vo,Wq);
321 0x5: Inst::UNPCKHPD(Vo,Wo);
322 0x6: Inst::MOVHPD(Vq,Mq);
323 0x7: Inst::MOVHPD(Mq,Vq);
324 }
325 // repne (0xF2)
326 0x8: decode OPCODE_OP_BOTTOM3 {
327 0x0: Inst::MOVSD(Vq,Wq);
328 0x1: Inst::MOVSD(Wq,Vq);
329 0x2: Inst::MOVDDUP(Vo,Wq);
330 default: Inst::UD2();
331 }
332 default: Inst::UD2();
333 }
334 0x03: decode OPCODE_OP_BOTTOM3 {
335 //group17();
336 0x0: decode MODRM_REG {
337 0x0: prefetch_nta();
338 0x1: Inst::PREFETCH_T0(Mb);
339 0x2: prefetch_t1();
340 0x3: prefetch_t2();
341 default: Inst::HINT_NOP();
342 }
343 0x1: Inst::HINT_NOP();
344 0x2: Inst::HINT_NOP();
345 0x3: Inst::HINT_NOP();
346 0x4: Inst::HINT_NOP();
347 0x5: Inst::HINT_NOP();
348 0x6: Inst::HINT_NOP();
349 0x7: Inst::HINT_NOP();
350 }
351 0x04: decode LEGACY_DECODEVAL {
352 // no prefix
353 0x0: decode OPCODE_OP_BOTTOM3 {
354 0x0: Inst::MOV(Rd,Cd);
355 0x1: Inst::MOV(Rd,Dd);
356 0x2: Inst::MOV(Cd,Rd);
357 0x3: Inst::MOV(Dd,Rd);
358 0x4: mov_Rd_Td();
359 0x6: mov_Td_Rd();
360 default: Inst::UD2();
361 }
362 // lock prefix (0xF0)
363 0x2: decode OPCODE_OP_BOTTOM3 {
364 0x0: mov_Rd_CR8D();
365 0x2: mov_CR8D_Rd();
366 }
367 default: Inst::UD2();
368 }
369 0x05: decode LEGACY_DECODEVAL {
370 // no prefix
371 0x0: decode OPCODE_OP_BOTTOM3 {
372 //These moves should really use size o (octword), but
373 //because they are split in two, they use q (quadword).
374 0x0: Inst::MOVAPS(Vq,Wq);
375 0x1: Inst::MOVAPS(Wq,Vq);
376 0x2: Inst::CVTPI2PS(Vq,Qq);
377 0x3: movntps_Mo_Vo();
378 0x4: cvttps2pi_Pq_Wq();
379 0x5: cvtpS2pi_Pq_Wq();
380 0x6: ucomiss_Vd_Wd();
381 0x7: comiss_Vd_Wd();
382 }
383 // repe (0xF3)
384 0x4: decode OPCODE_OP_BOTTOM3 {
385 0x2: Inst::CVTSI2SS(Vd,Ed);
386 0x4: cvttss2si_Gd_Wd();
387 0x5: cvtss2si_Gd_Wd();
388 default: Inst::UD2();
389 }
390 // operand size (0x66)
391 0x1: decode OPCODE_OP_BOTTOM3 {
392 0x0: Inst::MOVAPD(Vo,Wo);
393 0x1: Inst::MOVAPD(Wo,Vo);
394 0x2: Inst::CVTPI2PD(Vo,Qq);
395 0x3: movntpd_Mo_Vo();
396 0x4: cvttpd2pi_Pq_Wo();
397 0x5: cvtpd2pi_Pq_Wo();
398 0x6: Inst::UCOMISD(Vq,Wq);
399 0x7: comisd_Vq_Wq();
400 }
401 // repne (0xF2)
402 0x8: decode OPCODE_OP_BOTTOM3 {
403 // The size of the V operand should be q, not dp
404 0x2: Inst::CVTSI2SD(Vdp,Edp);
405 // The size of the W operand should be q, not dp
406 0x4: Inst::CVTTSD2SI(Gdp,Wdp);
407 0x5: cvtsd2si_Gd_Wq();
408 default: Inst::UD2();
409 }
410 default: Inst::UD2();
411 }
412 0x06: decode OPCODE_OP_BOTTOM3 {
413 0x0: Inst::WRMSR();
414 0x1: Inst::RDTSC();
415 0x2: Inst::RDMSR();
416 0x3: rdpmc();
417#if FULL_SYSTEM
418 0x4: sysenter();
419#else
420 0x4: SyscallInst::sysenter('xc->syscall(Rax)', IsSyscall);
421#endif
422 0x5: sysexit();
423 0x6: Inst::UD2();
424 0x7: getsec();
425 }
426 0x07: decode OPCODE_OP_BOTTOM3 {
427 0x0: three_byte_opcode();
428 0x1: three_byte_opcode();
429 0x2: three_byte_opcode();
430 0x3: three_byte_opcode();
431 0x4: three_byte_opcode();
432 0x5: three_byte_opcode();
433 0x6: three_byte_opcode();
434 0x7: three_byte_opcode();
435 }
436 format Inst {
437 0x08: decode OPCODE_OP_BOTTOM3 {
438 0x0: CMOVO(Gv,Ev);
439 0x1: CMOVNO(Gv,Ev);
440 0x2: CMOVB(Gv,Ev);
441 0x3: CMOVNB(Gv,Ev);
442 0x4: CMOVZ(Gv,Ev);
443 0x5: CMOVNZ(Gv,Ev);
444 0x6: CMOVBE(Gv,Ev);
445 0x7: CMOVNBE(Gv,Ev);
446 }
447 0x09: decode OPCODE_OP_BOTTOM3 {
448 0x0: CMOVS(Gv,Ev);
449 0x1: CMOVNS(Gv,Ev);
450 0x2: CMOVP(Gv,Ev);
451 0x3: CMOVNP(Gv,Ev);
452 0x4: CMOVL(Gv,Ev);
453 0x5: CMOVNL(Gv,Ev);
454 0x6: CMOVLE(Gv,Ev);
455 0x7: CMOVNLE(Gv,Ev);
456 }
457 }
458 0x0A: decode LEGACY_DECODEVAL {
459 // no prefix
460 0x0: decode OPCODE_OP_BOTTOM3 {
461 0x0: movmskps_Gd_VRo();
462 0x1: Inst::SQRTPS(Vo,Wo);
463 0x2: rqsrtps_Vo_Wo();
464 0x3: rcpps_Vo_Wo();
465 0x4: Inst::ANDPS(Vo,Wo);
466 0x5: Inst::ANDNPS(Vo,Wo);
467 0x6: Inst::ORPS(Vo,Wo);
468 0x7: Inst::XORPS(Vo,Wo);
469 }
470 // repe (0xF3)
471 0x4: decode OPCODE_OP_BOTTOM3 {
472 0x1: Inst::SQRTSS(Vd,Wd);
473 0x2: rsqrtss_Vd_Wd();
474 0x3: rcpss_Vd_Wd();
475 default: Inst::UD2();
476 }
477 // operand size (0x66)
478 0x1: decode OPCODE_OP_BOTTOM3 {
479 0x0: movmskpd_Gd_VRo();
480 0x1: Inst::SQRTPD(Vo,Wo);
481 0x4: Inst::ANDPD(Vo,Wo);
482 0x5: Inst::ANDNPD(Vo,Wo);
483 0x6: Inst::ORPD(Vo,Wo);
484 //This really should be type o, but it works on q sized
485 //chunks at a time.
486 0x7: Inst::XORPD(Vq,Wq);
487 default: Inst::UD2();
488 }
489 format Inst {
490 // repne (0xF2)
491 0x8: decode OPCODE_OP_BOTTOM3 {
492 0x1: Inst::SQRTSD(Vq,Wq);
493 default: UD2();
494 }
495 default: UD2();
496 }
497 }
498 0x0B: decode LEGACY_DECODEVAL {
499 // no prefix
500 0x0: decode OPCODE_OP_BOTTOM3 {
501 0x0: Inst::ADDPS(Vo,Wo);
502 0x1: Inst::MULPS(Vo,Wo);
503 0x2: cvtps2pd_Vo_Wq();
504 0x3: Inst::CVTDQ2PS(Vo,Wo);
505 0x4: Inst::SUBPS(Vo,Wo);
506 0x5: Inst::MINPS(Vo,Wo);
507 0x6: Inst::DIVPS(Vo,Wo);
508 0x7: Inst::MAXPS(Vo,Wo);
509 }
510 // repe (0xF3)
511 0x4: decode OPCODE_OP_BOTTOM3 {
512 0x0: Inst::ADDSS(Vd,Wd);
513 0x1: Inst::MULSS(Vd,Wd);
514 0x2: cvtss2sd_Vq_Wd();
515 0x3: cvttps2dq_Vo_Wo();
516 0x4: Inst::SUBSS(Vd,Wd);
517 0x5: Inst::MINSS(Vd,Wd);
518 0x6: Inst::DIVSS(Vd,Wd);
519 0x7: Inst::MAXSS(Vd,Wd);
520 }
521 // operand size (0x66)
522 0x1: decode OPCODE_OP_BOTTOM3 {
523 0x0: Inst::ADDPD(Vo,Wo);
524 0x1: Inst::MULPD(Vo,Wo);
525 0x2: cvtpd2ps_Vo_Wo();
526 0x3: cvtps2dq_Vo_Wo();
527 0x4: Inst::SUBPD(Vo,Wo);
528 0x5: Inst::MINPD(Vo,Wo);
529 0x6: Inst::DIVPD(Vo,Wo);
530 0x7: Inst::MAXPD(Vo,Wo);
531 }
532 // repne (0xF2)
533 0x8: decode OPCODE_OP_BOTTOM3 {
534 0x0: Inst::ADDSD(Vq,Wq);
535 0x1: Inst::MULSD(Vq,Wq);
536 0x2: cvtsd2ss_Vd_Wq();
537 0x4: Inst::SUBSD(Vq,Wq);
538 0x5: Inst::MINSD(Vq,Wq);
539 0x6: Inst::DIVSD(Vq,Wq);
540 0x7: Inst::MAXSD(Vq,Wq);
541 default: Inst::UD2();
542 }
543 default: Inst::UD2();
544 }
545 0x0C: decode LEGACY_DECODEVAL {
546 // no prefix
547 0x0: decode OPCODE_OP_BOTTOM3 {
548 0x0: Inst::PUNPCKLBW(Pq,Qd);
549 0x1: Inst::PUNPCKLWD(Pq,Qd);
550 0x2: Inst::PUNPCKLDQ(Pq,Qd);
551 0x3: Inst::PACKSSWB(Pq,Qq);
| 1// Copyright (c) 2008 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright
9// notice, this list of conditions and the following disclaimer in the
10// documentation and/or other materials provided with the distribution;
11// neither the name of the copyright holders nor the names of its
12// contributors may be used to endorse or promote products derived from
13// this software without specific prior written permission.
14//
15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26//
27// Authors: Gabe Black
28
29// Copyright (c) 2007-2008 The Hewlett-Packard Development Company
30// All rights reserved.
31//
32// Redistribution and use of this software in source and binary forms,
33// with or without modification, are permitted provided that the
34// following conditions are met:
35//
36// The software must be used only for Non-Commercial Use which means any
37// use which is NOT directed to receiving any direct monetary
38// compensation for, or commercial advantage from such use. Illustrative
39// examples of non-commercial use are academic research, personal study,
40// teaching, education and corporate research & development.
41// Illustrative examples of commercial use are distributing products for
42// commercial advantage and providing services using the software for
43// commercial advantage.
44//
45// If you wish to use this software or functionality therein that may be
46// covered by patents for commercial use, please contact:
47// Director of Intellectual Property Licensing
48// Office of Strategy and Technology
49// Hewlett-Packard Company
50// 1501 Page Mill Road
51// Palo Alto, California 94304
52//
53// Redistributions of source code must retain the above copyright notice,
54// this list of conditions and the following disclaimer. Redistributions
55// in binary form must reproduce the above copyright notice, this list of
56// conditions and the following disclaimer in the documentation and/or
57// other materials provided with the distribution. Neither the name of
58// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
59// contributors may be used to endorse or promote products derived from
60// this software without specific prior written permission. No right of
61// sublicense is granted herewith. Derivatives of the software and
62// output created using the software may be prepared, but only for
63// Non-Commercial Uses. Derivatives of the software may be shared with
64// others provided: (i) the others agree to abide by the list of
65// conditions herein which includes the Non-Commercial Use restrictions;
66// and (ii) such Derivatives of the software include the above copyright
67// notice to acknowledge the contribution from this software where
68// applicable, this list of conditions and the disclaimer below.
69//
70// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
71// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
72// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
73// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
74// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
75// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
76// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
77// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
78// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
79// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
80// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
81//
82// Authors: Gabe Black
83
84////////////////////////////////////////////////////////////////////
85//
86// Decode the two byte opcodes
87//
880x2: decode OPCODE_PREFIXA {
89 0x0F: decode OPCODE_OP_TOP5 {
90 format WarnUnimpl {
91 0x00: decode OPCODE_OP_BOTTOM3 {
92 //0x00: group6();
93 0x00: decode MODRM_REG {
94 0x0: sldt_Mw_or_Rv();
95 0x1: str_Mw_or_Rv();
96 0x2: Inst::LLDT(Ew);
97 0x3: Inst::LTR(Ew);
98 0x4: verr_Mw_or_Rv();
99 0x5: verw_Mw_or_Rv();
100 //0x6: jmpe_Ev(); // IA-64
101 default: Inst::UD2();
102 }
103 //0x01: group7(); // Ugly, ugly, ugly...
104 0x01: decode MODRM_MOD {
105 0x3: decode MODRM_REG {
106 0x0: decode MODRM_RM {
107 0x1: vmcall();
108 0x2: vmlaunch();
109 0x3: vmresume();
110 0x4: vmxoff();
111 default: Inst::UD2();
112 }
113 0x1: decode MODRM_RM {
114 0x0: monitor();
115 0x1: mwait();
116 default: Inst::UD2();
117 }
118 0x3: decode MODRM_RM {
119 0x0: vmrun();
120 0x1: vmmcall();
121 0x2: vmload();
122 0x3: vmsave();
123 0x4: stgi();
124 0x5: clgi();
125 0x6: skinit();
126 0x7: invlpga();
127 }
128 0x4: Inst::SMSW(Rv);
129 0x6: Inst::LMSW(Rv);
130 0x7: decode MODRM_RM {
131 0x0: Inst::SWAPGS();
132 0x1: rdtscp();
133 default: Inst::UD2();
134 }
135 default: Inst::UD2();
136 }
137 default: decode MODRM_REG {
138 0x0: sgdt_Ms();
139 0x1: sidt_Ms();
140 0x2: decode MODE_SUBMODE {
141 0x0: Inst::LGDT(M);
142 default: decode OPSIZE {
143 // 16 bit operand sizes are special, but only
144 // in legacy and compatability modes.
145 0x2: Inst::LGDT_16(M);
146 default: Inst::LGDT(M);
147 }
148 }
149 0x3: decode MODE_SUBMODE {
150 0x0: Inst::LIDT(M);
151 default: decode OPSIZE {
152 // 16 bit operand sizes are special, but only
153 // in legacy and compatability modes.
154 0x2: Inst::LIDT_16(M);
155 default: Inst::LIDT(M);
156 }
157 }
158 0x4: Inst::SMSW(Mw);
159 0x6: Inst::LMSW(Mw);
160 0x7: Inst::INVLPG(M);
161 default: Inst::UD2();
162 }
163 }
164 0x02: lar_Gv_Ew();
165 0x03: lsl_Gv_Ew();
166 // sandpile.org doesn't seem to know what this is...? We'll
167 // use it for pseudo instructions. We've got 16 bits of space
168 // to play with so there can be quite a few pseudo
169 // instructions.
170 //0x04: loadall_or_reset_or_hang();
171 0x4: decode IMMEDIATE {
172 format BasicOperate {
173#if FULL_SYSTEM
174 0x00: m5arm({{
175 PseudoInst::arm(xc->tcBase());
176 }}, IsNonSpeculative);
177 0x01: m5quiesce({{
178 PseudoInst::quiesce(xc->tcBase());
179 }}, IsNonSpeculative);
180 0x02: m5quiesceNs({{
181 PseudoInst::quiesceNs(xc->tcBase(), Rdi);
182 }}, IsNonSpeculative);
183 0x03: m5quiesceCycle({{
184 PseudoInst::quiesceCycles(xc->tcBase(), Rdi);
185 }}, IsNonSpeculative);
186 0x04: m5quiesceTime({{
187 Rax = PseudoInst::quiesceTime(xc->tcBase());
188 }}, IsNonSpeculative);
189#endif
190 0x07: m5rpns({{
191 Rax = PseudoInst::rpns(xc->tcBase());
192 }}, IsNonSpeculative);
193 0x21: m5exit({{
194 PseudoInst::m5exit(xc->tcBase(), Rdi);
195 }}, IsNonSpeculative);
196#if FULL_SYSTEM
197 0x30: m5initparam({{
198 Rax = xc->tcBase()->getCpuPtr()->
199 system->init_param;
200 }}, IsNonSpeculative);
201 0x31: m5loadsymbol({{
202 PseudoInst::loadsymbol(xc->tcBase());
203 }}, IsNonSpeculative);
204#endif
205 0x40: m5resetstats({{
206 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi);
207 }}, IsNonSpeculative);
208 0x41: m5dumpstats({{
209 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi);
210 }}, IsNonSpeculative);
211 0x42: m5dumpresetstats({{
212 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi);
213 }}, IsNonSpeculative);
214 0x43: m5checkpoint({{
215 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi);
216 }}, IsNonSpeculative);
217#if FULL_SYSTEM
218 0x50: m5readfile({{
219 Rax = PseudoInst::readfile(
220 xc->tcBase(), Rdi, Rsi, Rdx);
221 }}, IsNonSpeculative);
222#endif
223 0x51: m5debugbreak({{
224 PseudoInst::debugbreak(xc->tcBase());
225 }}, IsNonSpeculative);
226 0x52: m5switchcpu({{
227 PseudoInst::switchcpu(xc->tcBase());
228 }}, IsNonSpeculative);
229#if FULL_SYSTEM
230 0x53: m5addsymbol({{
231 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi);
232 }}, IsNonSpeculative);
233#endif
234 0x54: m5panic({{
235 panic("M5 panic instruction called at pc=%#x.\n",
236 xc->readPC());
237 }}, IsNonSpeculative);
238 0x55: m5reserved1({{
239 warn("M5 reserved opcode 1 ignored.\n");
240 }}, IsNonSpeculative);
241 0x56: m5reserved2({{
242 warn("M5 reserved opcode 2 ignored.\n");
243 }}, IsNonSpeculative);
244 0x57: m5reserved3({{
245 warn("M5 reserved opcode 3 ignored.\n");
246 }}, IsNonSpeculative);
247 0x58: m5reserved4({{
248 warn("M5 reserved opcode 4 ignored.\n");
249 }}, IsNonSpeculative);
250 0x59: m5reserved5({{
251 warn("M5 reserved opcode 5 ignored.\n");
252 }}, IsNonSpeculative);
253 default: Inst::UD2();
254 }
255 }
256#if FULL_SYSTEM
257 0x05: decode MODE_MODE {
258 0x0: decode MODE_SUBMODE {
259 0x0: Inst::SYSCALL_64();
260 0x1: Inst::SYSCALL_COMPAT();
261 }
262 0x1: Inst::SYSCALL_LEGACY();
263 }
264#else
265 0x05: SyscallInst::syscall('xc->syscall(Rax)', IsSyscall);
266#endif
267 0x06: Inst::CLTS();
268 0x07: decode MODE_SUBMODE {
269 0x0: decode OPSIZE {
270 // Return to 64 bit mode.
271 0x8: Inst::SYSRET_TO_64();
272 // Return to compatibility mode.
273 default: Inst::SYSRET_TO_COMPAT();
274 }
275 default: Inst::SYSRET_NON_64();
276 }
277 }
278 0x01: decode OPCODE_OP_BOTTOM3 {
279 0x0: invd();
280 0x1: wbinvd();
281 0x2: Inst::UD2();
282 0x3: Inst::UD2();
283 0x4: Inst::UD2();
284 0x5: Inst::PREFETCH(Mb);
285 0x6: FailUnimpl::femms();
286 0x7: FailUnimpl::threednow();
287 }
288 0x02: decode LEGACY_DECODEVAL {
289 // no prefix
290 0x0: decode OPCODE_OP_BOTTOM3 {
291 0x0: Inst::MOVUPS(Vo,Wo);
292 0x1: Inst::MOVUPS(Wo,Vo);
293 0x2: decode MODRM_MOD {
294 0x3: Inst::MOVHLPS(Vq,VRq);
295 default: Inst::MOVLPS(Vq,Mq);
296 }
297 0x3: Inst::MOVLPS(Mq,Vq);
298 0x4: Inst::UNPCKLPS(Vps,Wq);
299 0x5: Inst::UNPCKHPS(Vpd,Wq);
300 0x6: decode MODRM_MOD {
301 0x3: Inst::MOVLHPS(Vq,VRq);
302 default: Inst::MOVHPS(Vq,Mq);
303 }
304 0x7: Inst::MOVHPS(Mq,Vq);
305 }
306 // repe (0xF3)
307 0x4: decode OPCODE_OP_BOTTOM3 {
308 0x0: movss_Vd_Wd();
309 0x1: movss_Wd_Vd();
310 0x2: movsldup_Vo_Wo();
311 0x6: movshdup_Vo_Wo();
312 default: Inst::UD2();
313 }
314 // operand size (0x66)
315 0x1: decode OPCODE_OP_BOTTOM3 {
316 0x0: Inst::MOVUPD(Vo,Wo);
317 0x1: Inst::MOVUPD(Wo,Vo);
318 0x2: Inst::MOVLPD(Vq,Mq);
319 0x3: Inst::MOVLPD(Mq,Vq);
320 0x4: Inst::UNPCKLPD(Vo,Wq);
321 0x5: Inst::UNPCKHPD(Vo,Wo);
322 0x6: Inst::MOVHPD(Vq,Mq);
323 0x7: Inst::MOVHPD(Mq,Vq);
324 }
325 // repne (0xF2)
326 0x8: decode OPCODE_OP_BOTTOM3 {
327 0x0: Inst::MOVSD(Vq,Wq);
328 0x1: Inst::MOVSD(Wq,Vq);
329 0x2: Inst::MOVDDUP(Vo,Wq);
330 default: Inst::UD2();
331 }
332 default: Inst::UD2();
333 }
334 0x03: decode OPCODE_OP_BOTTOM3 {
335 //group17();
336 0x0: decode MODRM_REG {
337 0x0: prefetch_nta();
338 0x1: Inst::PREFETCH_T0(Mb);
339 0x2: prefetch_t1();
340 0x3: prefetch_t2();
341 default: Inst::HINT_NOP();
342 }
343 0x1: Inst::HINT_NOP();
344 0x2: Inst::HINT_NOP();
345 0x3: Inst::HINT_NOP();
346 0x4: Inst::HINT_NOP();
347 0x5: Inst::HINT_NOP();
348 0x6: Inst::HINT_NOP();
349 0x7: Inst::HINT_NOP();
350 }
351 0x04: decode LEGACY_DECODEVAL {
352 // no prefix
353 0x0: decode OPCODE_OP_BOTTOM3 {
354 0x0: Inst::MOV(Rd,Cd);
355 0x1: Inst::MOV(Rd,Dd);
356 0x2: Inst::MOV(Cd,Rd);
357 0x3: Inst::MOV(Dd,Rd);
358 0x4: mov_Rd_Td();
359 0x6: mov_Td_Rd();
360 default: Inst::UD2();
361 }
362 // lock prefix (0xF0)
363 0x2: decode OPCODE_OP_BOTTOM3 {
364 0x0: mov_Rd_CR8D();
365 0x2: mov_CR8D_Rd();
366 }
367 default: Inst::UD2();
368 }
369 0x05: decode LEGACY_DECODEVAL {
370 // no prefix
371 0x0: decode OPCODE_OP_BOTTOM3 {
372 //These moves should really use size o (octword), but
373 //because they are split in two, they use q (quadword).
374 0x0: Inst::MOVAPS(Vq,Wq);
375 0x1: Inst::MOVAPS(Wq,Vq);
376 0x2: Inst::CVTPI2PS(Vq,Qq);
377 0x3: movntps_Mo_Vo();
378 0x4: cvttps2pi_Pq_Wq();
379 0x5: cvtpS2pi_Pq_Wq();
380 0x6: ucomiss_Vd_Wd();
381 0x7: comiss_Vd_Wd();
382 }
383 // repe (0xF3)
384 0x4: decode OPCODE_OP_BOTTOM3 {
385 0x2: Inst::CVTSI2SS(Vd,Ed);
386 0x4: cvttss2si_Gd_Wd();
387 0x5: cvtss2si_Gd_Wd();
388 default: Inst::UD2();
389 }
390 // operand size (0x66)
391 0x1: decode OPCODE_OP_BOTTOM3 {
392 0x0: Inst::MOVAPD(Vo,Wo);
393 0x1: Inst::MOVAPD(Wo,Vo);
394 0x2: Inst::CVTPI2PD(Vo,Qq);
395 0x3: movntpd_Mo_Vo();
396 0x4: cvttpd2pi_Pq_Wo();
397 0x5: cvtpd2pi_Pq_Wo();
398 0x6: Inst::UCOMISD(Vq,Wq);
399 0x7: comisd_Vq_Wq();
400 }
401 // repne (0xF2)
402 0x8: decode OPCODE_OP_BOTTOM3 {
403 // The size of the V operand should be q, not dp
404 0x2: Inst::CVTSI2SD(Vdp,Edp);
405 // The size of the W operand should be q, not dp
406 0x4: Inst::CVTTSD2SI(Gdp,Wdp);
407 0x5: cvtsd2si_Gd_Wq();
408 default: Inst::UD2();
409 }
410 default: Inst::UD2();
411 }
412 0x06: decode OPCODE_OP_BOTTOM3 {
413 0x0: Inst::WRMSR();
414 0x1: Inst::RDTSC();
415 0x2: Inst::RDMSR();
416 0x3: rdpmc();
417#if FULL_SYSTEM
418 0x4: sysenter();
419#else
420 0x4: SyscallInst::sysenter('xc->syscall(Rax)', IsSyscall);
421#endif
422 0x5: sysexit();
423 0x6: Inst::UD2();
424 0x7: getsec();
425 }
426 0x07: decode OPCODE_OP_BOTTOM3 {
427 0x0: three_byte_opcode();
428 0x1: three_byte_opcode();
429 0x2: three_byte_opcode();
430 0x3: three_byte_opcode();
431 0x4: three_byte_opcode();
432 0x5: three_byte_opcode();
433 0x6: three_byte_opcode();
434 0x7: three_byte_opcode();
435 }
436 format Inst {
437 0x08: decode OPCODE_OP_BOTTOM3 {
438 0x0: CMOVO(Gv,Ev);
439 0x1: CMOVNO(Gv,Ev);
440 0x2: CMOVB(Gv,Ev);
441 0x3: CMOVNB(Gv,Ev);
442 0x4: CMOVZ(Gv,Ev);
443 0x5: CMOVNZ(Gv,Ev);
444 0x6: CMOVBE(Gv,Ev);
445 0x7: CMOVNBE(Gv,Ev);
446 }
447 0x09: decode OPCODE_OP_BOTTOM3 {
448 0x0: CMOVS(Gv,Ev);
449 0x1: CMOVNS(Gv,Ev);
450 0x2: CMOVP(Gv,Ev);
451 0x3: CMOVNP(Gv,Ev);
452 0x4: CMOVL(Gv,Ev);
453 0x5: CMOVNL(Gv,Ev);
454 0x6: CMOVLE(Gv,Ev);
455 0x7: CMOVNLE(Gv,Ev);
456 }
457 }
458 0x0A: decode LEGACY_DECODEVAL {
459 // no prefix
460 0x0: decode OPCODE_OP_BOTTOM3 {
461 0x0: movmskps_Gd_VRo();
462 0x1: Inst::SQRTPS(Vo,Wo);
463 0x2: rqsrtps_Vo_Wo();
464 0x3: rcpps_Vo_Wo();
465 0x4: Inst::ANDPS(Vo,Wo);
466 0x5: Inst::ANDNPS(Vo,Wo);
467 0x6: Inst::ORPS(Vo,Wo);
468 0x7: Inst::XORPS(Vo,Wo);
469 }
470 // repe (0xF3)
471 0x4: decode OPCODE_OP_BOTTOM3 {
472 0x1: Inst::SQRTSS(Vd,Wd);
473 0x2: rsqrtss_Vd_Wd();
474 0x3: rcpss_Vd_Wd();
475 default: Inst::UD2();
476 }
477 // operand size (0x66)
478 0x1: decode OPCODE_OP_BOTTOM3 {
479 0x0: movmskpd_Gd_VRo();
480 0x1: Inst::SQRTPD(Vo,Wo);
481 0x4: Inst::ANDPD(Vo,Wo);
482 0x5: Inst::ANDNPD(Vo,Wo);
483 0x6: Inst::ORPD(Vo,Wo);
484 //This really should be type o, but it works on q sized
485 //chunks at a time.
486 0x7: Inst::XORPD(Vq,Wq);
487 default: Inst::UD2();
488 }
489 format Inst {
490 // repne (0xF2)
491 0x8: decode OPCODE_OP_BOTTOM3 {
492 0x1: Inst::SQRTSD(Vq,Wq);
493 default: UD2();
494 }
495 default: UD2();
496 }
497 }
498 0x0B: decode LEGACY_DECODEVAL {
499 // no prefix
500 0x0: decode OPCODE_OP_BOTTOM3 {
501 0x0: Inst::ADDPS(Vo,Wo);
502 0x1: Inst::MULPS(Vo,Wo);
503 0x2: cvtps2pd_Vo_Wq();
504 0x3: Inst::CVTDQ2PS(Vo,Wo);
505 0x4: Inst::SUBPS(Vo,Wo);
506 0x5: Inst::MINPS(Vo,Wo);
507 0x6: Inst::DIVPS(Vo,Wo);
508 0x7: Inst::MAXPS(Vo,Wo);
509 }
510 // repe (0xF3)
511 0x4: decode OPCODE_OP_BOTTOM3 {
512 0x0: Inst::ADDSS(Vd,Wd);
513 0x1: Inst::MULSS(Vd,Wd);
514 0x2: cvtss2sd_Vq_Wd();
515 0x3: cvttps2dq_Vo_Wo();
516 0x4: Inst::SUBSS(Vd,Wd);
517 0x5: Inst::MINSS(Vd,Wd);
518 0x6: Inst::DIVSS(Vd,Wd);
519 0x7: Inst::MAXSS(Vd,Wd);
520 }
521 // operand size (0x66)
522 0x1: decode OPCODE_OP_BOTTOM3 {
523 0x0: Inst::ADDPD(Vo,Wo);
524 0x1: Inst::MULPD(Vo,Wo);
525 0x2: cvtpd2ps_Vo_Wo();
526 0x3: cvtps2dq_Vo_Wo();
527 0x4: Inst::SUBPD(Vo,Wo);
528 0x5: Inst::MINPD(Vo,Wo);
529 0x6: Inst::DIVPD(Vo,Wo);
530 0x7: Inst::MAXPD(Vo,Wo);
531 }
532 // repne (0xF2)
533 0x8: decode OPCODE_OP_BOTTOM3 {
534 0x0: Inst::ADDSD(Vq,Wq);
535 0x1: Inst::MULSD(Vq,Wq);
536 0x2: cvtsd2ss_Vd_Wq();
537 0x4: Inst::SUBSD(Vq,Wq);
538 0x5: Inst::MINSD(Vq,Wq);
539 0x6: Inst::DIVSD(Vq,Wq);
540 0x7: Inst::MAXSD(Vq,Wq);
541 default: Inst::UD2();
542 }
543 default: Inst::UD2();
544 }
545 0x0C: decode LEGACY_DECODEVAL {
546 // no prefix
547 0x0: decode OPCODE_OP_BOTTOM3 {
548 0x0: Inst::PUNPCKLBW(Pq,Qd);
549 0x1: Inst::PUNPCKLWD(Pq,Qd);
550 0x2: Inst::PUNPCKLDQ(Pq,Qd);
551 0x3: Inst::PACKSSWB(Pq,Qq);
|
723 default: Inst::UD2();
724 }
725 // repne (0xF2)
726 0x8: decode OPCODE_OP_BOTTOM3 {
727 0x0: pshuflw_Vo_Wo_Ib();
728 default: Inst::UD2();
729 }
730 default: Inst::UD2();
731 }
732 0x0F: decode LEGACY_DECODEVAL {
733 // no prefix
734 0x0: decode OPCODE_OP_BOTTOM3 {
735 0x0: vmread_Ed_or_Eq_Gd_or_Gq();
736 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq();
737 0x6: Inst::MOVD(Edp,Pdp);
738 0x7: Inst::MOVQ(Qq,Pq);
739 default: Inst::UD2();
740 }
741 // repe (0xF3)
742 0x4: decode OPCODE_OP_BOTTOM3 {
743 0x6: Inst::MOVQ(Vq,Wq);
744 0x7: movdqu_Wo_Vo();
745 default: Inst::UD2();
746 }
747 // operand size (0x66)
748 0x1: decode OPCODE_OP_BOTTOM3 {
749 0x4: haddpd_Vo_Wo();
750 0x5: hsubpd_Vo_Wo();
751 0x6: movd_Ed_Vd();
752 0x7: movdqa_Wo_Vo();
753 default: Inst::UD2();
754 }
755 // repne (0xF2)
756 0x8: decode OPCODE_OP_BOTTOM3 {
757 0x4: haddps_Vo_Wo();
758 0x5: hsubps_Vo_Wo();
759 default: Inst::UD2();
760 }
761 default: Inst::UD2();
762 }
763 format Inst {
764 0x10: decode OPCODE_OP_BOTTOM3 {
765 0x0: JO(Jz);
766 0x1: JNO(Jz);
767 0x2: JB(Jz);
768 0x3: JNB(Jz);
769 0x4: JZ(Jz);
770 0x5: JNZ(Jz);
771 0x6: JBE(Jz);
772 0x7: JNBE(Jz);
773 }
774 0x11: decode OPCODE_OP_BOTTOM3 {
775 0x0: JS(Jz);
776 0x1: JNS(Jz);
777 0x2: JP(Jz);
778 0x3: JNP(Jz);
779 0x4: JL(Jz);
780 0x5: JNL(Jz);
781 0x6: JLE(Jz);
782 0x7: JNLE(Jz);
783 }
784 0x12: decode OPCODE_OP_BOTTOM3 {
785 0x0: SETO(Eb);
786 0x1: SETNO(Eb);
787 0x2: SETB(Eb);
788 0x3: SETNB(Eb);
789 0x4: SETZ(Eb);
790 0x5: SETNZ(Eb);
791 0x6: SETBE(Eb);
792 0x7: SETNBE(Eb);
793 }
794 0x13: decode OPCODE_OP_BOTTOM3 {
795 0x0: SETS(Eb);
796 0x1: SETNS(Eb);
797 0x2: SETP(Eb);
798 0x3: SETNP(Eb);
799 0x4: SETL(Eb);
800 0x5: SETNL(Eb);
801 0x6: SETLE(Eb);
802 0x7: SETNLE(Eb);
803 }
804 }
805 0x14: decode OPCODE_OP_BOTTOM3 {
806 0x0: push_fs();
807 0x1: pop_fs();
808 0x2: CPUIDInst::CPUID({{
809 CpuidResult result;
810 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), result);
811 Rax = result.rax;
812 Rbx = result.rbx;
813 Rcx = result.rcx;
814 Rdx = result.rdx;
815 }});
816 0x3: Inst::BT(Ev,Gv);
817 0x4: Inst::SHLD(Ev,Gv,Ib);
818 0x5: Inst::SHLD(Ev,Gv);
819 0x6: xbts_and_cmpxchg();
820 0x7: ibts_and_cmpxchg();
821 }
822 0x15: decode OPCODE_OP_BOTTOM3 {
823 0x0: push_gs();
824 0x1: pop_gs();
825 0x2: rsm_smm();
826 0x3: Inst::BTS(Ev,Gv);
827 0x4: Inst::SHRD(Ev,Gv,Ib);
828 0x5: Inst::SHRD(Ev,Gv);
829 //0x6: group16();
830 0x6: decode MODRM_REG {
831 0x0: fxsave();
832 0x1: fxrstor();
833 0x2: ldmxcsr();
834 0x3: stmxcsr();
835 0x4: Inst::UD2();
836 0x5: decode MODRM_MOD {
837 0x3: BasicOperate::LFENCE(
838 {{/*Nothing*/}}, IsReadBarrier);
839 default: Inst::UD2();
840 }
841 0x6: decode MODRM_MOD {
842 0x3: BasicOperate::MFENCE(
843 {{/*Nothing*/}}, IsMemBarrier);
844 default: Inst::UD2();
845 }
846 0x7: decode MODRM_MOD {
847 0x3: BasicOperate::SFENCE(
848 {{/*Nothing*/}}, IsWriteBarrier);
849 default: Inst::UD2();
850 }
851 }
852 0x7: Inst::IMUL(Gv,Ev);
853 }
854 0x16: decode OPCODE_OP_BOTTOM3 {
855 0x0: Inst::CMPXCHG(Eb,Gb);
856 0x1: Inst::CMPXCHG(Ev,Gv);
857 0x2: lss_Gz_Mp();
858 0x3: Inst::BTR(Ev,Gv);
859 0x4: lfs_Gz_Mp();
860 0x5: lgs_Gz_Mp();
861 //The size of the second operand in these instructions should
862 //really be "b" or "w", but it's set to v in order to have a
863 //consistent register size. This shouldn't affect behavior.
864 0x6: Inst::MOVZX_B(Gv,Ev);
865 0x7: Inst::MOVZX_W(Gv,Ev);
866 }
867 0x17: decode OPCODE_OP_BOTTOM3 {
868 0x0: jmpe_Jz(); // IA-64?
869 format Inst {
870 //0x1: group11_UD2();
871 0x1: UD2();
872 //0x2: group8_Ev_Ib();
873 0x2: decode MODRM_REG {
874 0x4: BT(Ev,Ib);
875 0x5: BTS(Ev,Ib);
876 0x6: BTR(Ev,Ib);
877 0x7: BTC(Ev,Ib);
878 default: UD2();
879 }
880 0x3: BTC(Ev,Gv);
881 }
882 0x4: Inst::BSF(Gv,Ev);
883 0x5: Inst::BSR(Gv,Ev);
884 //The size of the second operand in these instructions should
885 //really be "b" or "w", but it's set to v in order to have a
886 //consistent register size. This shouldn't affect behavior.
887 0x6: Inst::MOVSX_B(Gv,Ev);
888 0x7: Inst::MOVSX_W(Gv,Ev);
889 }
890 0x18: decode OPCODE_OP_BOTTOM3 {
891 0x0: Inst::XADD(Eb,Gb);
892 0x1: Inst::XADD(Ev,Gv);
893 //0x7: group9();
894 0x7: decode MODRM_REG {
895 //Also CMPXCHG16B
896 0x1: Inst::CMPXCHG8B(Mdp);
897 0x6: decode LEGACY_OP {
898 0x1: vmclear_Mq();
899 default: decode LEGACY_REP {
900 0x1: vmxon_Mq();
901 0x0: vmptrld_Mq();
902 }
903 }
904 0x7: vmptrst_Mq();
905 default: Inst::UD2();
906 }
907 default: decode LEGACY_DECODEVAL {
908 // no prefix
909 0x0: decode OPCODE_OP_BOTTOM3 {
910 0x2: cmpccps_Vo_Wo_Ib();
911 0x3: Inst::CVTDQ2PS(Vo,Wo);
912 0x4: Inst::SUBPS(Vo,Wo);
913 0x5: Inst::MINPS(Vo,Wo);
914 0x6: Inst::DIVPS(Vo,Wo);
915 }
916 // repe (0xF3)
917 0x4: decode OPCODE_OP_BOTTOM3 {
918 0x2: cmpccss_Vd_Wd_Ib();
919 default: Inst::UD2();
920 }
921 // operand size (0x66)
922 0x1: decode OPCODE_OP_BOTTOM3 {
923 0x2: cmpccpd_Vo_Wo_Ib();
924 0x4: Inst::SUBPD(Vo,Wo);
925 0x5: Inst::MINPD(Vo,Wo);
926 0x6: Inst::DIVPD(Vo,Wo);
927 default: Inst::UD2();
928 }
929 // repne (0xF2)
930 0x8: decode OPCODE_OP_BOTTOM3 {
931 0x2: cmpccsd_Vq_Wq_Ib();
932 default: Inst::UD2();
933 }
934 default: Inst::UD2();
935 }
936 }
937 0x19: decode OPSIZE {
938 4: Inst::BSWAP_D(Bd);
939 8: Inst::BSWAP_Q(Bq);
940 default: Inst::UD2();
941 }
942 0x1A: decode LEGACY_DECODEVAL {
943 // no prefix
944 0x0: decode OPCODE_OP_BOTTOM3 {
945 0x1: psrlw_Pq_Qq();
946 0x2: psrld_Pq_Qq();
947 0x3: psrlq_Pq_Qq();
948 0x4: paddq_Pq_Qq();
949 0x5: pmullw_Pq_Qq();
950 0x7: pmovmskb_Gd_PRq();
951 default: Inst::UD2();
952 }
953 // repe (0xF3)
954 0x4: decode OPCODE_OP_BOTTOM3 {
955 0x6: movq2dq_Vo_PRq();
956 default: Inst::UD2();
957 }
958 // operand size (0x66)
959 0x1: decode OPCODE_OP_BOTTOM3 {
960 0x0: addsubpd_Vo_Wo();
961 0x1: psrlw_Vo_Wo();
962 0x2: psrld_Vo_Wo();
963 0x3: psrlq_Vo_Wo();
964 0x4: paddq_Vo_Wo();
965 0x5: pmullw_Vo_Wo();
966 0x6: Inst::MOVQ(Wq,Vq);
967 0x7: pmovmskb_Gd_VRo();
968 }
969 // repne (0xF2)
970 0x8: decode OPCODE_OP_BOTTOM3 {
971 0x0: addsubps_Vo_Wo();
972 0x6: movdq2q_Pq_VRq();
973 default: Inst::UD2();
974 }
975 default: Inst::UD2();
976 }
977 0x1B: decode LEGACY_DECODEVAL {
978 // no prefix
979 0x0: decode OPCODE_OP_BOTTOM3 {
980 0x0: psubusb_Pq_Qq();
981 0x1: psubusw_Pq_Qq();
982 0x2: pminub_Pq_Qq();
983 0x3: Inst::PAND(Pq,Qq);
984 0x4: paddusb_Pq_Qq();
985 0x5: paddusw_Pq_Qq();
986 0x6: pmaxub_Pq_Qq();
987 0x7: Inst::PANDN(Pq,Qq);
988 }
989 // operand size (0x66)
990 0x1: decode OPCODE_OP_BOTTOM3 {
991 0x0: psubusb_Vo_Wo();
992 0x1: psubusw_Vo_Wo();
993 0x2: pminub_Vo_Wo();
994 0x3: Inst::PAND(Vo,Wo);
995 0x4: paddusb_Vo_Wo();
996 0x5: paddusw_Vo_Wo();
997 0x6: pmaxub_Vo_Wo();
998 0x7: Inst::PANDN(Vo,Wo);
999 }
1000 default: Inst::UD2();
1001 }
1002 0x1C: decode LEGACY_DECODEVAL {
1003 // no prefix
1004 0x0: decode OPCODE_OP_BOTTOM3 {
1005 0x0: pavgb_Pq_Qq();
1006 0x1: psraw_Pq_Qq();
1007 0x2: psrad_Pq_Qq();
1008 0x3: pavgw_Pq_Qq();
1009 0x4: pmulhuw_Pq_Qq();
1010 0x5: pmulhw_Pq_Qq();
1011 0x7: movntq_Mq_Pq();
1012 default: Inst::UD2();
1013 }
1014 // repe (0xF3)
1015 0x4: decode OPCODE_OP_BOTTOM3 {
1016 0x6: Inst::CVTDQ2PD(Vo,Wq);
1017 default: Inst::UD2();
1018 }
1019 // operand size (0x66)
1020 0x1: decode OPCODE_OP_BOTTOM3 {
1021 0x0: pavgb_Vo_Wo();
1022 0x1: psraw_Vo_Wo();
1023 0x2: psrad_Vo_Wo();
1024 0x3: pavgw_Vo_Wo();
1025 0x4: pmulhuw_Vo_Wo();
1026 0x5: pmulhw_Vo_Wo();
1027 0x6: cvttpd2dq_Vo_Wo();
1028 0x7: movntdq_Mo_Vo();
1029 }
1030 // repne (0xF2)
1031 0x8: decode OPCODE_OP_BOTTOM3 {
1032 0x6: cvtpd2dq_Vo_Wo();
1033 default: Inst::UD2();
1034 }
1035 default: Inst::UD2();
1036 }
1037 0x1D: decode LEGACY_DECODEVAL {
1038 // no prefix
1039 0x0: decode OPCODE_OP_BOTTOM3 {
1040 0x0: psubsb_Pq_Qq();
1041 0x1: psubsw_Pq_Qq();
1042 0x2: pminsw_Pq_Qq();
1043 0x3: Inst::POR(Pq,Qq);
1044 0x4: paddsb_Pq_Qq();
1045 0x5: paddsw_Pq_Qq();
1046 0x6: pmaxsw_Pq_Qq();
1047 0x7: Inst::PXOR(Pq,Qq);
1048 }
1049 // operand size (0x66)
1050 0x1: decode OPCODE_OP_BOTTOM3 {
1051 0x0: psubsb_Vo_Wo();
1052 0x1: psubsw_Vo_Wo();
1053 0x2: pminsw_Vo_Wo();
1054 0x3: Inst::POR(Vo,Wo);
1055 0x4: paddsb_Vo_Wo();
1056 0x5: paddsw_Vo_Wo();
1057 0x6: pmaxsw_Vo_Wo();
1058 0x7: Inst::PXOR(Vo,Wo);
1059 }
1060 default: Inst::UD2();
1061 }
1062 0x1E: decode LEGACY_DECODEVAL {
1063 // no prefix
1064 0x0: decode OPCODE_OP_BOTTOM3 {
1065 0x1: psllw_Pq_Qq();
1066 0x2: pslld_Pq_Qq();
1067 0x3: psllq_Pq_Qq();
1068 0x4: pmuludq_Pq_Qq();
1069 0x5: pmaddwd_Pq_Qq();
1070 0x6: psadbw_Pq_Qq();
1071 0x7: maskmovq_Pq_PRq();
1072 default: Inst::UD2();
1073 }
1074 // operand size (0x66)
1075 0x1: decode OPCODE_OP_BOTTOM3 {
1076 0x1: psllw_Vo_Wo();
1077 0x2: pslld_Vo_Wo();
1078 0x3: psllq_Vo_Wo();
1079 0x4: pmuludq_Vo_Wo();
1080 0x5: pmaddwd_Vo_Wo();
1081 0x6: psadbw_Vo_Wo();
1082 0x7: maskmovdqu_Vo_VRo();
1083 default: Inst::UD2();
1084 }
1085 // repne (0xF2)
1086 0x8: decode OPCODE_OP_BOTTOM3 {
1087 0x0: lddqu_Vo_Mo();
1088 default: Inst::UD2();
1089 }
1090 default: Inst::UD2();
1091 }
1092 0x1F: decode LEGACY_DECODEVAL {
1093 // no prefix
1094 0x0: decode OPCODE_OP_BOTTOM3 {
1095 0x0: psubb_Pq_Qq();
1096 0x1: psubw_Pq_Qq();
1097 0x2: psubd_Pq_Qq();
1098 0x3: psubq_Pq_Qq();
1099 0x4: paddb_Pq_Qq();
1100 0x5: paddw_Pq_Qq();
1101 0x6: paddd_Pq_Qq();
1102 0x7: Inst::UD2();
1103 }
1104 // operand size (0x66)
1105 0x1: decode OPCODE_OP_BOTTOM3 {
1106 0x0: psubb_Vo_Wo();
1107 0x1: psubw_Vo_Wo();
1108 0x2: psubd_Vo_Wo();
1109 0x3: psubq_Vo_Wo();
1110 0x4: paddb_Vo_Wo();
1111 0x5: paddw_Vo_Wo();
1112 0x6: paddd_Vo_Wo();
1113 0x7: Inst::UD2();
1114 }
1115 default: Inst::UD2();
1116 }
1117 default: FailUnimpl::twoByteOps();
1118 }
1119 }
1120 default: M5InternalError::error(
1121 {{"Unexpected first opcode byte in two byte opcode!"}});
1122}
| 723 default: Inst::UD2();
724 }
725 // repne (0xF2)
726 0x8: decode OPCODE_OP_BOTTOM3 {
727 0x0: pshuflw_Vo_Wo_Ib();
728 default: Inst::UD2();
729 }
730 default: Inst::UD2();
731 }
732 0x0F: decode LEGACY_DECODEVAL {
733 // no prefix
734 0x0: decode OPCODE_OP_BOTTOM3 {
735 0x0: vmread_Ed_or_Eq_Gd_or_Gq();
736 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq();
737 0x6: Inst::MOVD(Edp,Pdp);
738 0x7: Inst::MOVQ(Qq,Pq);
739 default: Inst::UD2();
740 }
741 // repe (0xF3)
742 0x4: decode OPCODE_OP_BOTTOM3 {
743 0x6: Inst::MOVQ(Vq,Wq);
744 0x7: movdqu_Wo_Vo();
745 default: Inst::UD2();
746 }
747 // operand size (0x66)
748 0x1: decode OPCODE_OP_BOTTOM3 {
749 0x4: haddpd_Vo_Wo();
750 0x5: hsubpd_Vo_Wo();
751 0x6: movd_Ed_Vd();
752 0x7: movdqa_Wo_Vo();
753 default: Inst::UD2();
754 }
755 // repne (0xF2)
756 0x8: decode OPCODE_OP_BOTTOM3 {
757 0x4: haddps_Vo_Wo();
758 0x5: hsubps_Vo_Wo();
759 default: Inst::UD2();
760 }
761 default: Inst::UD2();
762 }
763 format Inst {
764 0x10: decode OPCODE_OP_BOTTOM3 {
765 0x0: JO(Jz);
766 0x1: JNO(Jz);
767 0x2: JB(Jz);
768 0x3: JNB(Jz);
769 0x4: JZ(Jz);
770 0x5: JNZ(Jz);
771 0x6: JBE(Jz);
772 0x7: JNBE(Jz);
773 }
774 0x11: decode OPCODE_OP_BOTTOM3 {
775 0x0: JS(Jz);
776 0x1: JNS(Jz);
777 0x2: JP(Jz);
778 0x3: JNP(Jz);
779 0x4: JL(Jz);
780 0x5: JNL(Jz);
781 0x6: JLE(Jz);
782 0x7: JNLE(Jz);
783 }
784 0x12: decode OPCODE_OP_BOTTOM3 {
785 0x0: SETO(Eb);
786 0x1: SETNO(Eb);
787 0x2: SETB(Eb);
788 0x3: SETNB(Eb);
789 0x4: SETZ(Eb);
790 0x5: SETNZ(Eb);
791 0x6: SETBE(Eb);
792 0x7: SETNBE(Eb);
793 }
794 0x13: decode OPCODE_OP_BOTTOM3 {
795 0x0: SETS(Eb);
796 0x1: SETNS(Eb);
797 0x2: SETP(Eb);
798 0x3: SETNP(Eb);
799 0x4: SETL(Eb);
800 0x5: SETNL(Eb);
801 0x6: SETLE(Eb);
802 0x7: SETNLE(Eb);
803 }
804 }
805 0x14: decode OPCODE_OP_BOTTOM3 {
806 0x0: push_fs();
807 0x1: pop_fs();
808 0x2: CPUIDInst::CPUID({{
809 CpuidResult result;
810 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), result);
811 Rax = result.rax;
812 Rbx = result.rbx;
813 Rcx = result.rcx;
814 Rdx = result.rdx;
815 }});
816 0x3: Inst::BT(Ev,Gv);
817 0x4: Inst::SHLD(Ev,Gv,Ib);
818 0x5: Inst::SHLD(Ev,Gv);
819 0x6: xbts_and_cmpxchg();
820 0x7: ibts_and_cmpxchg();
821 }
822 0x15: decode OPCODE_OP_BOTTOM3 {
823 0x0: push_gs();
824 0x1: pop_gs();
825 0x2: rsm_smm();
826 0x3: Inst::BTS(Ev,Gv);
827 0x4: Inst::SHRD(Ev,Gv,Ib);
828 0x5: Inst::SHRD(Ev,Gv);
829 //0x6: group16();
830 0x6: decode MODRM_REG {
831 0x0: fxsave();
832 0x1: fxrstor();
833 0x2: ldmxcsr();
834 0x3: stmxcsr();
835 0x4: Inst::UD2();
836 0x5: decode MODRM_MOD {
837 0x3: BasicOperate::LFENCE(
838 {{/*Nothing*/}}, IsReadBarrier);
839 default: Inst::UD2();
840 }
841 0x6: decode MODRM_MOD {
842 0x3: BasicOperate::MFENCE(
843 {{/*Nothing*/}}, IsMemBarrier);
844 default: Inst::UD2();
845 }
846 0x7: decode MODRM_MOD {
847 0x3: BasicOperate::SFENCE(
848 {{/*Nothing*/}}, IsWriteBarrier);
849 default: Inst::UD2();
850 }
851 }
852 0x7: Inst::IMUL(Gv,Ev);
853 }
854 0x16: decode OPCODE_OP_BOTTOM3 {
855 0x0: Inst::CMPXCHG(Eb,Gb);
856 0x1: Inst::CMPXCHG(Ev,Gv);
857 0x2: lss_Gz_Mp();
858 0x3: Inst::BTR(Ev,Gv);
859 0x4: lfs_Gz_Mp();
860 0x5: lgs_Gz_Mp();
861 //The size of the second operand in these instructions should
862 //really be "b" or "w", but it's set to v in order to have a
863 //consistent register size. This shouldn't affect behavior.
864 0x6: Inst::MOVZX_B(Gv,Ev);
865 0x7: Inst::MOVZX_W(Gv,Ev);
866 }
867 0x17: decode OPCODE_OP_BOTTOM3 {
868 0x0: jmpe_Jz(); // IA-64?
869 format Inst {
870 //0x1: group11_UD2();
871 0x1: UD2();
872 //0x2: group8_Ev_Ib();
873 0x2: decode MODRM_REG {
874 0x4: BT(Ev,Ib);
875 0x5: BTS(Ev,Ib);
876 0x6: BTR(Ev,Ib);
877 0x7: BTC(Ev,Ib);
878 default: UD2();
879 }
880 0x3: BTC(Ev,Gv);
881 }
882 0x4: Inst::BSF(Gv,Ev);
883 0x5: Inst::BSR(Gv,Ev);
884 //The size of the second operand in these instructions should
885 //really be "b" or "w", but it's set to v in order to have a
886 //consistent register size. This shouldn't affect behavior.
887 0x6: Inst::MOVSX_B(Gv,Ev);
888 0x7: Inst::MOVSX_W(Gv,Ev);
889 }
890 0x18: decode OPCODE_OP_BOTTOM3 {
891 0x0: Inst::XADD(Eb,Gb);
892 0x1: Inst::XADD(Ev,Gv);
893 //0x7: group9();
894 0x7: decode MODRM_REG {
895 //Also CMPXCHG16B
896 0x1: Inst::CMPXCHG8B(Mdp);
897 0x6: decode LEGACY_OP {
898 0x1: vmclear_Mq();
899 default: decode LEGACY_REP {
900 0x1: vmxon_Mq();
901 0x0: vmptrld_Mq();
902 }
903 }
904 0x7: vmptrst_Mq();
905 default: Inst::UD2();
906 }
907 default: decode LEGACY_DECODEVAL {
908 // no prefix
909 0x0: decode OPCODE_OP_BOTTOM3 {
910 0x2: cmpccps_Vo_Wo_Ib();
911 0x3: Inst::CVTDQ2PS(Vo,Wo);
912 0x4: Inst::SUBPS(Vo,Wo);
913 0x5: Inst::MINPS(Vo,Wo);
914 0x6: Inst::DIVPS(Vo,Wo);
915 }
916 // repe (0xF3)
917 0x4: decode OPCODE_OP_BOTTOM3 {
918 0x2: cmpccss_Vd_Wd_Ib();
919 default: Inst::UD2();
920 }
921 // operand size (0x66)
922 0x1: decode OPCODE_OP_BOTTOM3 {
923 0x2: cmpccpd_Vo_Wo_Ib();
924 0x4: Inst::SUBPD(Vo,Wo);
925 0x5: Inst::MINPD(Vo,Wo);
926 0x6: Inst::DIVPD(Vo,Wo);
927 default: Inst::UD2();
928 }
929 // repne (0xF2)
930 0x8: decode OPCODE_OP_BOTTOM3 {
931 0x2: cmpccsd_Vq_Wq_Ib();
932 default: Inst::UD2();
933 }
934 default: Inst::UD2();
935 }
936 }
937 0x19: decode OPSIZE {
938 4: Inst::BSWAP_D(Bd);
939 8: Inst::BSWAP_Q(Bq);
940 default: Inst::UD2();
941 }
942 0x1A: decode LEGACY_DECODEVAL {
943 // no prefix
944 0x0: decode OPCODE_OP_BOTTOM3 {
945 0x1: psrlw_Pq_Qq();
946 0x2: psrld_Pq_Qq();
947 0x3: psrlq_Pq_Qq();
948 0x4: paddq_Pq_Qq();
949 0x5: pmullw_Pq_Qq();
950 0x7: pmovmskb_Gd_PRq();
951 default: Inst::UD2();
952 }
953 // repe (0xF3)
954 0x4: decode OPCODE_OP_BOTTOM3 {
955 0x6: movq2dq_Vo_PRq();
956 default: Inst::UD2();
957 }
958 // operand size (0x66)
959 0x1: decode OPCODE_OP_BOTTOM3 {
960 0x0: addsubpd_Vo_Wo();
961 0x1: psrlw_Vo_Wo();
962 0x2: psrld_Vo_Wo();
963 0x3: psrlq_Vo_Wo();
964 0x4: paddq_Vo_Wo();
965 0x5: pmullw_Vo_Wo();
966 0x6: Inst::MOVQ(Wq,Vq);
967 0x7: pmovmskb_Gd_VRo();
968 }
969 // repne (0xF2)
970 0x8: decode OPCODE_OP_BOTTOM3 {
971 0x0: addsubps_Vo_Wo();
972 0x6: movdq2q_Pq_VRq();
973 default: Inst::UD2();
974 }
975 default: Inst::UD2();
976 }
977 0x1B: decode LEGACY_DECODEVAL {
978 // no prefix
979 0x0: decode OPCODE_OP_BOTTOM3 {
980 0x0: psubusb_Pq_Qq();
981 0x1: psubusw_Pq_Qq();
982 0x2: pminub_Pq_Qq();
983 0x3: Inst::PAND(Pq,Qq);
984 0x4: paddusb_Pq_Qq();
985 0x5: paddusw_Pq_Qq();
986 0x6: pmaxub_Pq_Qq();
987 0x7: Inst::PANDN(Pq,Qq);
988 }
989 // operand size (0x66)
990 0x1: decode OPCODE_OP_BOTTOM3 {
991 0x0: psubusb_Vo_Wo();
992 0x1: psubusw_Vo_Wo();
993 0x2: pminub_Vo_Wo();
994 0x3: Inst::PAND(Vo,Wo);
995 0x4: paddusb_Vo_Wo();
996 0x5: paddusw_Vo_Wo();
997 0x6: pmaxub_Vo_Wo();
998 0x7: Inst::PANDN(Vo,Wo);
999 }
1000 default: Inst::UD2();
1001 }
1002 0x1C: decode LEGACY_DECODEVAL {
1003 // no prefix
1004 0x0: decode OPCODE_OP_BOTTOM3 {
1005 0x0: pavgb_Pq_Qq();
1006 0x1: psraw_Pq_Qq();
1007 0x2: psrad_Pq_Qq();
1008 0x3: pavgw_Pq_Qq();
1009 0x4: pmulhuw_Pq_Qq();
1010 0x5: pmulhw_Pq_Qq();
1011 0x7: movntq_Mq_Pq();
1012 default: Inst::UD2();
1013 }
1014 // repe (0xF3)
1015 0x4: decode OPCODE_OP_BOTTOM3 {
1016 0x6: Inst::CVTDQ2PD(Vo,Wq);
1017 default: Inst::UD2();
1018 }
1019 // operand size (0x66)
1020 0x1: decode OPCODE_OP_BOTTOM3 {
1021 0x0: pavgb_Vo_Wo();
1022 0x1: psraw_Vo_Wo();
1023 0x2: psrad_Vo_Wo();
1024 0x3: pavgw_Vo_Wo();
1025 0x4: pmulhuw_Vo_Wo();
1026 0x5: pmulhw_Vo_Wo();
1027 0x6: cvttpd2dq_Vo_Wo();
1028 0x7: movntdq_Mo_Vo();
1029 }
1030 // repne (0xF2)
1031 0x8: decode OPCODE_OP_BOTTOM3 {
1032 0x6: cvtpd2dq_Vo_Wo();
1033 default: Inst::UD2();
1034 }
1035 default: Inst::UD2();
1036 }
1037 0x1D: decode LEGACY_DECODEVAL {
1038 // no prefix
1039 0x0: decode OPCODE_OP_BOTTOM3 {
1040 0x0: psubsb_Pq_Qq();
1041 0x1: psubsw_Pq_Qq();
1042 0x2: pminsw_Pq_Qq();
1043 0x3: Inst::POR(Pq,Qq);
1044 0x4: paddsb_Pq_Qq();
1045 0x5: paddsw_Pq_Qq();
1046 0x6: pmaxsw_Pq_Qq();
1047 0x7: Inst::PXOR(Pq,Qq);
1048 }
1049 // operand size (0x66)
1050 0x1: decode OPCODE_OP_BOTTOM3 {
1051 0x0: psubsb_Vo_Wo();
1052 0x1: psubsw_Vo_Wo();
1053 0x2: pminsw_Vo_Wo();
1054 0x3: Inst::POR(Vo,Wo);
1055 0x4: paddsb_Vo_Wo();
1056 0x5: paddsw_Vo_Wo();
1057 0x6: pmaxsw_Vo_Wo();
1058 0x7: Inst::PXOR(Vo,Wo);
1059 }
1060 default: Inst::UD2();
1061 }
1062 0x1E: decode LEGACY_DECODEVAL {
1063 // no prefix
1064 0x0: decode OPCODE_OP_BOTTOM3 {
1065 0x1: psllw_Pq_Qq();
1066 0x2: pslld_Pq_Qq();
1067 0x3: psllq_Pq_Qq();
1068 0x4: pmuludq_Pq_Qq();
1069 0x5: pmaddwd_Pq_Qq();
1070 0x6: psadbw_Pq_Qq();
1071 0x7: maskmovq_Pq_PRq();
1072 default: Inst::UD2();
1073 }
1074 // operand size (0x66)
1075 0x1: decode OPCODE_OP_BOTTOM3 {
1076 0x1: psllw_Vo_Wo();
1077 0x2: pslld_Vo_Wo();
1078 0x3: psllq_Vo_Wo();
1079 0x4: pmuludq_Vo_Wo();
1080 0x5: pmaddwd_Vo_Wo();
1081 0x6: psadbw_Vo_Wo();
1082 0x7: maskmovdqu_Vo_VRo();
1083 default: Inst::UD2();
1084 }
1085 // repne (0xF2)
1086 0x8: decode OPCODE_OP_BOTTOM3 {
1087 0x0: lddqu_Vo_Mo();
1088 default: Inst::UD2();
1089 }
1090 default: Inst::UD2();
1091 }
1092 0x1F: decode LEGACY_DECODEVAL {
1093 // no prefix
1094 0x0: decode OPCODE_OP_BOTTOM3 {
1095 0x0: psubb_Pq_Qq();
1096 0x1: psubw_Pq_Qq();
1097 0x2: psubd_Pq_Qq();
1098 0x3: psubq_Pq_Qq();
1099 0x4: paddb_Pq_Qq();
1100 0x5: paddw_Pq_Qq();
1101 0x6: paddd_Pq_Qq();
1102 0x7: Inst::UD2();
1103 }
1104 // operand size (0x66)
1105 0x1: decode OPCODE_OP_BOTTOM3 {
1106 0x0: psubb_Vo_Wo();
1107 0x1: psubw_Vo_Wo();
1108 0x2: psubd_Vo_Wo();
1109 0x3: psubq_Vo_Wo();
1110 0x4: paddb_Vo_Wo();
1111 0x5: paddw_Vo_Wo();
1112 0x6: paddd_Vo_Wo();
1113 0x7: Inst::UD2();
1114 }
1115 default: Inst::UD2();
1116 }
1117 default: FailUnimpl::twoByteOps();
1118 }
1119 }
1120 default: M5InternalError::error(
1121 {{"Unexpected first opcode byte in two byte opcode!"}});
1122}
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