1// Copyright (c) 2007-2008 The Hewlett-Packard Development Company
2// Copyright (c) 2012-2013 AMD
3// All rights reserved.
4//
5// The license below extends only to copyright in the software and shall
6// not be construed as granting a license to any other intellectual
7// property including but not limited to intellectual property relating
8// to a hardware implementation of the functionality of the software
9// licensed hereunder. You may use the software subject to the license
10// terms below provided that you ensure that this notice is replicated
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12// modified or unmodified, in source code or in binary form.
13//
14// Copyright (c) 2008 The Regents of The University of Michigan
15// All rights reserved.
16//
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18// modification, are permitted provided that the following conditions are
19// met: redistributions of source code must retain the above copyright
20// notice, this list of conditions and the following disclaimer;
21// redistributions in binary form must reproduce the above copyright
22// notice, this list of conditions and the following disclaimer in the
23// documentation and/or other materials provided with the distribution;
24// neither the name of the copyright holders nor the names of its
25// contributors may be used to endorse or promote products derived from
26// this software without specific prior written permission.
27//
28// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39//
40// Authors: Gabe Black
41
42////////////////////////////////////////////////////////////////////
43//
44// Decode the two byte opcodes
45//
46'X86ISA::TwoByteOpcode': decode OPCODE_OP_TOP5 {
47 format WarnUnimpl {
48 0x00: decode OPCODE_OP_BOTTOM3 {
49 //0x00: group6();
50 0x00: decode MODRM_REG {
51 0x0: sldt_Mw_or_Rv();
52 0x1: str_Mw_or_Rv();
53 0x2: Inst::LLDT(Ew);
54 0x3: Inst::LTR(Ew);
55 0x4: verr_Mw_or_Rv();
56 0x5: verw_Mw_or_Rv();
57 //0x6: jmpe_Ev(); // IA-64
58 default: Inst::UD2();
59 }
60 //0x01: group7(); // Ugly, ugly, ugly...
61 0x01: decode MODRM_REG {
62 0x0: decode MODRM_MOD {
63 0x3: decode MODRM_RM {
64 0x1: vmcall();
65 0x2: vmlaunch();
66 0x3: vmresume();
67 0x4: vmxoff();
68 default: Inst::UD2();
69 }
70 default: sgdt_Ms();
71 }
72 0x1: decode MODRM_MOD {
73 0x3: decode MODRM_RM {
74 0x0: MonitorInst::monitor({{
75 xc->armMonitor(Rax);
76 }});
77 0x1: MwaitInst::mwait({{
78 uint64_t m = 0; //mem
79 unsigned s = 0x8; //size
80 unsigned f = 0; //flags
81 readMemAtomic(xc, traceData,
82 xc->getAddrMonitor()->vAddr,
83 m, s, f);
84 xc->mwaitAtomic(xc->tcBase());
85 MicroHalt hltObj(machInst, mnemonic, 0x0);
86 hltObj.execute(xc, traceData);
87 }});
88 default: Inst::UD2();
89 }
90 default: sidt_Ms();
91 }
92 0x2: decode MODRM_MOD {
93 0x3: decode MODRM_RM {
94 0x0: xgetbv();
95 0x1: xsetbv();
96 }
97 default: decode MODE_SUBMODE {
98 0x0: Inst::LGDT(M);
99 default: decode OPSIZE {
100 // 16 bit operand sizes are special, but only
101 // in legacy and compatability modes.
102 0x2: Inst::LGDT_16(M);
103 default: Inst::LGDT(M);
104 }
105 }
106 }
107 0x3: decode MODRM_MOD {
108 0x3: decode MODRM_RM {
109 0x0: vmrun();
110 0x1: vmmcall();
111 0x2: vmload();
112 0x3: vmsave();
113 0x4: stgi();
114 0x5: clgi();
115 0x6: skinit();
116 0x7: invlpga();
117 }
118 default: decode MODE_SUBMODE {
119 0x0: Inst::LIDT(M);
120 default: decode OPSIZE {
121 // 16 bit operand sizes are special, but only
122 // in legacy and compatability modes.
123 0x2: Inst::LIDT_16(M);
124 default: Inst::LIDT(M);
125 }
126 }
127 }
128 0x4: decode MODRM_MOD {
129 0x3: Inst::SMSW(Rv);
130 default: Inst::SMSW(Mw);
131 }
132 0x6: Inst::LMSW(Ew);
133 0x7: decode MODRM_MOD {
134 0x3: decode MODRM_RM {
135 0x0: Inst::SWAPGS();
136 0x1: rdtscp();
137 default: Inst::UD2();
138 }
139 default: Inst::INVLPG(M);
140 }
141 }
142 0x02: lar_Gv_Ew();
143 0x03: lsl_Gv_Ew();
144 // sandpile.org doesn't seem to know what this is...? We'll
145 // use it for pseudo instructions. We've got 16 bits of space
146 // to play with so there can be quite a few pseudo
147 // instructions.
148 //0x04: loadall_or_reset_or_hang();
149 0x4: decode IMMEDIATE {
150 format BasicOperate {
151 0x00: m5arm({{
152 PseudoInst::arm(xc->tcBase());
153 }}, IsNonSpeculative);
154 0x01: m5quiesce({{
155 PseudoInst::quiesce(xc->tcBase());
156 }}, IsNonSpeculative, IsQuiesce);
157 0x02: m5quiesceNs({{
158 PseudoInst::quiesceNs(xc->tcBase(), Rdi);
159 }}, IsNonSpeculative, IsQuiesce);
160 0x03: m5quiesceCycle({{
161 PseudoInst::quiesceCycles(xc->tcBase(), Rdi);
162 }}, IsNonSpeculative, IsQuiesce);
163 0x04: m5quiesceTime({{
164 Rax = PseudoInst::quiesceTime(xc->tcBase());
165 }}, IsNonSpeculative);
166 0x07: m5rpns({{
167 Rax = PseudoInst::rpns(xc->tcBase());
168 }}, IsNonSpeculative);
169 0x21: m5exit({{
170 PseudoInst::m5exit(xc->tcBase(), Rdi);
171 }}, IsNonSpeculative);
172 0x22: m5fail({{
173 PseudoInst::m5fail(xc->tcBase(), Rdi, Rsi);
174 }}, IsNonSpeculative);
175 0x30: m5initparam({{
176 Rax = PseudoInst::initParam(xc->tcBase());
177 }}, IsNonSpeculative);
178 0x31: m5loadsymbol({{
179 PseudoInst::loadsymbol(xc->tcBase());
180 }}, IsNonSpeculative);
181 0x40: m5resetstats({{
182 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi);
183 }}, IsNonSpeculative);
184 0x41: m5dumpstats({{
185 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi);
186 }}, IsNonSpeculative);
187 0x42: m5dumpresetstats({{
188 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi);
189 }}, IsNonSpeculative);
190 0x43: m5checkpoint({{
191 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi);
192 }}, IsNonSpeculative);
193 0x50: m5readfile({{
194 Rax = PseudoInst::readfile(
195 xc->tcBase(), Rdi, Rsi, Rdx);
196 }}, IsNonSpeculative);
197 0x51: m5debugbreak({{
198 PseudoInst::debugbreak(xc->tcBase());
199 }}, IsNonSpeculative);
200 0x52: m5switchcpu({{
201 PseudoInst::switchcpu(xc->tcBase());
202 }}, IsNonSpeculative);
203 0x53: m5addsymbol({{
204 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi);
205 }}, IsNonSpeculative);
206 0x54: m5panic({{
207 panic("M5 panic instruction called at pc = %#x.\n",
208 RIP);
209 }}, IsNonSpeculative);
210 0x55: m5reserved1({{
211 warn("M5 reserved opcode 1 ignored.\n");
212 }}, IsNonSpeculative);
213 0x56: m5reserved2({{
214 warn("M5 reserved opcode 2 ignored.\n");
215 }}, IsNonSpeculative);
216 0x57: m5reserved3({{
217 warn("M5 reserved opcode 3 ignored.\n");
218 }}, IsNonSpeculative);
219 0x58: m5reserved4({{
220 warn("M5 reserved opcode 4 ignored.\n");
221 }}, IsNonSpeculative);
222 0x59: m5reserved5({{
223 warn("M5 reserved opcode 5 ignored.\n");
224 }}, IsNonSpeculative);
225 0x5a: m5_work_begin({{
226 PseudoInst::workbegin(xc->tcBase(), Rdi, Rsi);
227 }}, IsNonSpeculative);
228 0x5b: m5_work_end({{
229 PseudoInst::workend(xc->tcBase(), Rdi, Rsi);
230 }}, IsNonSpeculative);
231 default: Inst::UD2();
232 }
233 }
234 0x05: decode FullSystemInt {
235 0: SyscallInst::syscall('xc->syscall(Rax)',
236 IsSyscall, IsNonSpeculative, IsSerializeAfter);
237 default: decode MODE_MODE {
238 0x0: decode MODE_SUBMODE {
239 0x0: Inst::SYSCALL_64();
240 0x1: Inst::SYSCALL_COMPAT();
241 }
242 0x1: Inst::SYSCALL_LEGACY();
243 }
244 }
245 0x06: Inst::CLTS();
246 0x07: decode MODE_SUBMODE {
247 0x0: decode OPSIZE {
248 // Return to 64 bit mode.
249 0x8: Inst::SYSRET_TO_64();
250 // Return to compatibility mode.
251 default: Inst::SYSRET_TO_COMPAT();
252 }
253 default: Inst::SYSRET_NON_64();
254 }
255 }
256 0x01: decode OPCODE_OP_BOTTOM3 {
257 0x0: invd();
258 0x1: wbinvd();
259 0x2: Inst::UD2();
260 0x3: Inst::UD2();
261 0x4: Inst::UD2();
262 0x5: Inst::PREFETCH(Mb);
263 0x6: FailUnimpl::femms();
264 0x7: decode IMMEDIATE {
265 0x0C: pi2fw_Pq_Qq();
266 0x0D: pi2fd_Pq_Qq();
267 0x1C: pf2iw_Pq_Qq();
268 0x1D: pf2id_Pq_Qq();
269 0x8A: pfnacc_Pq_Qq();
270 0x8E: pfpnacc_Pq_Qq();
271 0x90: pfcmpge_Pq_Qq();
272 0x94: pfmin_Pq_Qq();
273 0x96: pfrcp_Pq_Qq();
274 0x97: pfrsqrt_Pq_Qq();
275 0x9A: Inst::PFSUB(Pq,Qq);
276 0x9E: pfadd_Pq_Qq();
277 0xA0: pfcmpgt_Pq_Qq();
278 0xA4: pfmax_Pq_Qq();
279 0xA6: pfrcpit1_Pq_Qq();
280 0xA7: pfrsqit1_Pq_Qq();
281 0xAA: Inst::PFSUBR(Pq,Qq);
282 0xAE: pfacc_Pq_Qq();
283 0xB0: pfcmpeq_Pq_Qq();
284 0xB4: Inst::PFMUL(Pq,Qq);
285 0xB6: pfrcpit2_Pq_Qq();
286 0xB7: Inst::PMULHRW(Pq,Qq);
287 0xBB: pswapd_Pq_Qq();
288 0xBF: pavgusb_Pq_Qq();
289 default: Inst::UD2();
290 }
291 }
292 format Inst{
293 0x02: decode LEGACY_DECODEVAL {
294 // no prefix
295 0x0: decode OPCODE_OP_BOTTOM3 {
296 0x0: MOVUPS(Vo,Wo);
297 0x1: MOVUPS(Wo,Vo);
298 0x2: decode MODRM_MOD {
299 0x3: MOVHLPS(Vps,VRq);
300 default: MOVLPS(Vps,Mq);
301 }
302 0x3: MOVLPS(Mq,Vps);
303 0x4: UNPCKLPS(Vps,Wq);
304 0x5: UNPCKHPS(Vps,Wq);
305 0x6: decode MODRM_MOD {
306 0x3: MOVLHPS(Vps,VRq);
307 default: MOVHPS(Vps,Mq);
308 }
309 0x7: MOVHPS(Mq,Vq);
310 }
311 // repe (0xF3)
312 0x4: decode OPCODE_OP_BOTTOM3 {
313 0x0: MOVSS(Vd,Wd);
314 0x1: MOVSS(Wd,Vd);
315 0x2: WarnUnimpl::movsldup_Vo_Wo();
316 0x6: WarnUnimpl::movshdup_Vo_Wo();
317 default: UD2();
318 }
319 // operand size (0x66)
320 0x1: decode OPCODE_OP_BOTTOM3 {
321 0x0: MOVUPD(Vo,Wo);
322 0x1: MOVUPD(Wo,Vo);
323 0x2: MOVLPD(Vq,Mq);
324 0x3: MOVLPD(Mq,Vq);
325 0x4: UNPCKLPD(Vo,Wq);
326 0x5: UNPCKHPD(Vo,Wo);
327 0x6: MOVHPD(Vq,Mq);
328 0x7: MOVHPD(Mq,Vq);
329 }
330 // repne (0xF2)
331 0x8: decode OPCODE_OP_BOTTOM3 {
332 0x0: MOVSD(Vq,Wq);
333 0x1: MOVSD(Wq,Vq);
334 0x2: MOVDDUP(Vo,Wq);
335 default: UD2();
336 }
337 default: UD2();
338 }
339 0x03: decode OPCODE_OP_BOTTOM3 {
340 //group16();
341 0x0: decode MODRM_REG {
342 0x0: WarnUnimpl::prefetch_nta();
343 0x1: PREFETCH_T0(Mb);
344 0x2: WarnUnimpl::prefetch_t1();
345 0x3: WarnUnimpl::prefetch_t2();
346 default: HINT_NOP();
347 }
348 0x1: HINT_NOP();
349 0x2: HINT_NOP();
350 0x3: HINT_NOP();
351 0x4: HINT_NOP();
352 0x5: HINT_NOP();
353 0x6: HINT_NOP();
354 0x7: HINT_NOP();
355 }
356 0x04: decode LEGACY_DECODEVAL {
357 // no prefix
358 0x0: decode OPCODE_OP_BOTTOM3 {
359 0x0: MOV(Rd,Cd);
360 0x1: MOV(Rd,Dd);
361 0x2: MOV(Cd,Rd);
362 0x3: MOV(Dd,Rd);
363 default: UD2();
364 }
365 // operand size (0x66)
366 0x1: decode OPCODE_OP_BOTTOM3 {
367 0x0: MOV(Rd,Cd);
368 0x2: MOV(Cd,Rd);
369 }
370 default: UD2();
371 }
372 0x05: decode LEGACY_DECODEVAL {
373 // no prefix
374 0x0: decode OPCODE_OP_BOTTOM3 {
375 //These moves should really use size o (octword), but
376 //because they are split in two, they use q (quadword).
377 0x0: MOVAPS(Vq,Wq);
378 0x1: MOVAPS(Wq,Vq);
379 0x2: CVTPI2PS(Vq,Qq);
380 0x3: WarnUnimpl::movntps_Mo_Vo();
381 0x4: CVTTPS2PI(Pq,Wq);
382 0x5: CVTPS2PI(Pq,Wq);
383 0x6: UCOMISS(Vd,Wd);
384 0x7: COMISS(Vd,Wd);
385 }
386 // repe (0xF3)
387 0x4: decode OPCODE_OP_BOTTOM3 {
388 0x2: CVTSI2SS(Vd,Ed);
389 0x4: CVTTSS2SI(Gd,Wd);
390 0x5: CVTSS2SI(Gd,Wd);
391 default: UD2();
392 }
393 // operand size (0x66)
394 0x1: decode OPCODE_OP_BOTTOM3 {
395 0x0: MOVAPD(Vo,Wo);
396 0x1: MOVAPD(Wo,Vo);
397 0x2: CVTPI2PD(Vo,Qq);
398 0x3: WarnUnimpl::movntpd_Mo_Vo();
399 0x4: CVTTPD2PI(Pq,Wo);
400 0x5: CVTPD2PI(Pq,Wo);
401 0x6: UCOMISD(Vq,Wq);
402 0x7: COMISD(Vq,Wq);
403 }
404 // repne (0xF2)
405 0x8: decode OPCODE_OP_BOTTOM3 {
406 // The size of the V operand should be q, not dp
407 0x2: CVTSI2SD(Vdp,Edp);
408 // The size of the W operand should be q, not dp
409 0x4: CVTTSD2SI(Gdp,Wdp);
410 0x5: CVTSD2SI(Gd,Wq);
411 default: UD2();
412 }
413 default: UD2();
414 }
415 }
416 0x06: decode OPCODE_OP_BOTTOM3 {
417 0x0: Inst::WRMSR();
418 0x1: Inst::RDTSC();
419 0x2: Inst::RDMSR();
420 0x3: rdpmc();
421 0x4: decode FullSystemInt {
422 0: SyscallInst::sysenter('xc->syscall(Rax)',
423 IsSyscall, IsNonSpeculative, IsSerializeAfter);
424 default: sysenter();
425 }
426 0x5: sysexit();
427 0x6: Inst::UD2();
428 0x7: getsec();
429 }
430 0x07: decode OPCODE_OP_BOTTOM3 {
431 0x0: M5InternalError::error(
432 {{"Three byte opcode shouldn't be handled by "
433 "two_byte_opcodes.isa!"}});
434 0x2: M5InternalError::error(
435 {{"Three byte opcode shouldn't be handled by "
436 "two_byte_opcodes.isa!"}});
437 default: UD2();
438 }
439 format Inst {
440 0x08: decode OPCODE_OP_BOTTOM3 {
441 0x0: CMOVO(Gv,Ev);
442 0x1: CMOVNO(Gv,Ev);
443 0x2: CMOVB(Gv,Ev);
444 0x3: CMOVNB(Gv,Ev);
445 0x4: CMOVZ(Gv,Ev);
446 0x5: CMOVNZ(Gv,Ev);
447 0x6: CMOVBE(Gv,Ev);
448 0x7: CMOVNBE(Gv,Ev);
449 }
450 0x09: decode OPCODE_OP_BOTTOM3 {
451 0x0: CMOVS(Gv,Ev);
452 0x1: CMOVNS(Gv,Ev);
453 0x2: CMOVP(Gv,Ev);
454 0x3: CMOVNP(Gv,Ev);
455 0x4: CMOVL(Gv,Ev);
456 0x5: CMOVNL(Gv,Ev);
457 0x6: CMOVLE(Gv,Ev);
458 0x7: CMOVNLE(Gv,Ev);
459 }
460 0x0A: decode LEGACY_DECODEVAL {
461 // no prefix
462 0x0: decode OPCODE_OP_BOTTOM3 {
463 0x0: MOVMSKPS(Gd,VRo);
464 0x1: SQRTPS(Vo,Wo);
465 0x2: WarnUnimpl::rqsrtps_Vo_Wo();
466 0x3: WarnUnimpl::rcpps_Vo_Wo();
467 0x4: ANDPS(Vo,Wo);
468 0x5: ANDNPS(Vo,Wo);
469 0x6: ORPS(Vo,Wo);
470 0x7: XORPS(Vo,Wo);
471 }
472 // repe (0xF3)
473 0x4: decode OPCODE_OP_BOTTOM3 {
474 0x1: SQRTSS(Vd,Wd);
475 0x2: WarnUnimpl::rsqrtss_Vd_Wd();
476 0x3: WarnUnimpl::rcpss_Vd_Wd();
477 default: UD2();
478 }
479 // operand size (0x66)
480 0x1: decode OPCODE_OP_BOTTOM3 {
481 0x0: MOVMSKPD(Gd,VRo);
482 0x1: SQRTPD(Vo,Wo);
483 0x4: ANDPD(Vo,Wo);
484 0x5: ANDNPD(Vo,Wo);
485 0x6: ORPD(Vo,Wo);
486 0x7: XORPD(Vo,Wo);
487 default: UD2();
488 }
489 // repne (0xF2)
490 0x8: decode OPCODE_OP_BOTTOM3 {
491 0x1: SQRTSD(Vq,Wq);
492 default: UD2();
493 }
494 default: UD2();
495 }
496 0x0B: decode LEGACY_DECODEVAL {
497 // no prefix
498 0x0: decode OPCODE_OP_BOTTOM3 {
499 0x0: ADDPS(Vo,Wo);
500 0x1: MULPS(Vo,Wo);
501 0x2: CVTPS2PD(Vo,Wq);
502 0x3: CVTDQ2PS(Vo,Wo);
503 0x4: SUBPS(Vo,Wo);
504 0x5: MINPS(Vo,Wo);
505 0x6: DIVPS(Vo,Wo);
506 0x7: MAXPS(Vo,Wo);
507 }
508 // repe (0xF3)
509 0x4: decode OPCODE_OP_BOTTOM3 {
510 0x0: ADDSS(Vd,Wd);
511 0x1: MULSS(Vd,Wd);
512 0x2: CVTSS2SD(Vq,Wd);
513 0x3: CVTTPS2DQ(Vo,Wo);
514 0x4: SUBSS(Vd,Wd);
515 0x5: MINSS(Vd,Wd);
516 0x6: DIVSS(Vd,Wd);
517 0x7: MAXSS(Vd,Wd);
518 }
519 // operand size (0x66)
520 0x1: decode OPCODE_OP_BOTTOM3 {
521 0x0: ADDPD(Vo,Wo);
522 0x1: MULPD(Vo,Wo);
523 0x2: CVTPD2PS(Vo,Wo);
524 0x3: CVTPS2DQ(Vo,Wo);
525 0x4: SUBPD(Vo,Wo);
526 0x5: MINPD(Vo,Wo);
527 0x6: DIVPD(Vo,Wo);
528 0x7: MAXPD(Vo,Wo);
529 }
530 // repne (0xF2)
531 0x8: decode OPCODE_OP_BOTTOM3 {
532 0x0: ADDSD(Vq,Wq);
533 0x1: MULSD(Vq,Wq);
534 0x2: CVTSD2SS(Vd,Wq);
535 0x4: SUBSD(Vq,Wq);
536 0x5: MINSD(Vq,Wq);
537 0x6: DIVSD(Vq,Wq);
538 0x7: MAXSD(Vq,Wq);
539 default: UD2();
540 }
541 default: UD2();
542 }
543 0x0C: decode LEGACY_DECODEVAL {
544 // no prefix
545 0x0: decode OPCODE_OP_BOTTOM3 {
546 0x0: PUNPCKLBW(Pq,Qd);
547 0x1: PUNPCKLWD(Pq,Qd);
548 0x2: PUNPCKLDQ(Pq,Qd);
549 0x3: PACKSSWB(Pq,Qq);
550 0x4: PCMPGTB(Pq,Qq);
551 0x5: PCMPGTW(Pq,Qq);
552 0x6: PCMPGTD(Pq,Qq);
553 0x7: PACKUSWB(Pq,Qq);
554 }
555 // operand size (0x66)
556 0x1: decode OPCODE_OP_BOTTOM3 {
557 0x0: PUNPCKLBW(Vo,Wq);
558 0x1: PUNPCKLWD(Vo,Wq);
559 0x2: PUNPCKLDQ(Vo,Wq);
560 0x3: PACKSSWB(Vo,Wo);
561 0x4: PCMPGTB(Vo,Wo);
562 0x5: PCMPGTW(Vo,Wo);
563 0x6: PCMPGTD(Vo,Wo);
564 0x7: PACKUSWB(Vo,Wo);
565 }
566 default: UD2();
567 }
568 0x0D: decode LEGACY_DECODEVAL {
569 // no prefix
570 0x0: decode OPCODE_OP_BOTTOM3 {
571 0x0: PUNPCKHBW(Pq,Qq);
572 0x1: PUNPCKHWD(Pq,Qq);
573 0x2: PUNPCKHDQ(Pq,Qq);
574 0x3: PACKSSDW(Pq,Qq);
575 0x6: MOVD(Pq,Edp);
576 0x7: MOVQ(Pq,Qq);
577 default: UD2();
578 }
579 // repe (0xF3)
580 0x4: decode OPCODE_OP_BOTTOM3 {
581 0x7: MOVDQU(Vo,Wo);
582 default: UD2();
583 }
584 // operand size (0x66)
585 0x1: decode OPCODE_OP_BOTTOM3 {
586 0x0: PUNPCKHBW(Vo,Wo);
587 0x1: PUNPCKHWD(Vo,Wo);
588 0x2: PUNPCKHDQ(Vo,Wo);
589 0x3: PACKSSDW(Vo,Wo);
590 0x4: PUNPCKLQDQ(Vo,Wq);
591 0x5: PUNPCKHQDQ(Vo,Wq);
592 0x6: MOVD(Vo,Edp);
593 0x7: MOVDQA(Vo,Wo);
594 }
595 default: UD2();
596 }
597 0x0E: decode LEGACY_DECODEVAL {
598 // no prefix
599 0x0: decode OPCODE_OP_BOTTOM3 {
600 0x0: PSHUFW(Pq,Qq,Ib);
601 //0x1: group12_pshimw();
602 0x1: decode MODRM_REG {
603 0x2: PSRLW(PRq,Ib);
604 0x4: PSRAW(PRq,Ib);
605 0x6: PSLLW(PRq,Ib);
606 default: UD2();
607 }
608 //0x2: group13_pshimd();
609 0x2: decode MODRM_REG {
610 0x2: PSRLD(PRq,Ib);
611 0x4: PSRAD(PRq,Ib);
612 0x6: PSLLD(PRq,Ib);
613 default: UD2();
614 }
615 //0x3: group14_pshimq();
616 0x3: decode MODRM_REG {
617 0x2: PSRLQ(PRq,Ib);
618 0x6: PSLLQ(PRq,Ib);
619 default: Inst::UD2();
620 }
621 0x4: Inst::PCMPEQB(Pq,Qq);
622 0x5: Inst::PCMPEQW(Pq,Qq);
623 0x6: Inst::PCMPEQD(Pq,Qq);
624 0x7: Inst::EMMS();
625 }
626 // repe (0xF3)
627 0x4: decode OPCODE_OP_BOTTOM3 {
628 0x0: PSHUFHW(Vo,Wo,Ib);
629 default: UD2();
630 }
631 // operand size (0x66)
632 0x1: decode OPCODE_OP_BOTTOM3 {
633 0x0: PSHUFD(Vo,Wo,Ib);
634 //0x1: group12_pshimw();
635 0x1: decode MODRM_REG {
636 0x2: PSRLW(VRo,Ib);
637 0x4: PSRAW(VRo,Ib);
638 0x6: PSLLW(VRo,Ib);
639 }
640 //0x2: group13_pshimd();
641 0x2: decode MODRM_REG {
642 0x2: PSRLD(VRo,Ib);
643 0x4: PSRAD(VRo,Ib);
644 0x6: PSLLD(VRo,Ib);
645 default: UD2();
646 }
647 //0x3: group14_pshimq();
648 0x3: decode MODRM_REG {
649 0x2: PSRLQ(VRo,Ib);
650 0x3: PSRLDQ(VRo,Ib);
651 0x6: PSLLQ(VRo,Ib);
652 0x7: PSLLDQ(VRo,Ib);
653 default: UD2();
654 }
655 0x4: PCMPEQB(Vo,Wo);
656 0x5: PCMPEQW(Vo,Wo);
657 0x6: PCMPEQD(Vo,Wo);
658 default: UD2();
659 }
660 // repne (0xF2)
661 0x8: decode OPCODE_OP_BOTTOM3 {
662 0x0: PSHUFLW(Vo,Wo,Ib);
663 default: UD2();
664 }
665 default: UD2();
666 }
667 0x0F: decode LEGACY_DECODEVAL {
668 // no prefix
669 0x0: decode OPCODE_OP_BOTTOM3 {
670 0x0: WarnUnimpl::vmread_Edp_Gdp();
671 0x1: WarnUnimpl::vmwrite_Gdp_Edp();
672 0x6: MOVD(Edp,Pdp);
673 0x7: MOVQ(Qq,Pq);
674 default: UD2();
675 }
676 // repe (0xF3)
677 0x4: decode OPCODE_OP_BOTTOM3 {
678 0x6: MOVQ(Vq,Wq);
679 0x7: MOVDQU(Wo,Vo);
680 default: UD2();
681 }
682 // operand size (0x66)
683 0x1: decode OPCODE_OP_BOTTOM3 {
684 0x4: HADDPD(Vo,Wo);
685 0x5: WarnUnimpl::hsubpd_Vo_Wo();
686 0x6: MOVD(Edp,Vd);
687 0x7: MOVDQA(Wo,Vo);
688 default: UD2();
689 }
690 // repne (0xF2)
691 0x8: decode OPCODE_OP_BOTTOM3 {
692 0x4: HADDPS(Vo,Wo);
693 0x5: WarnUnimpl::hsubps_Vo_Wo();
694 default: UD2();
695 }
696 default: UD2();
697 }
698 0x10: decode OPCODE_OP_BOTTOM3 {
699 0x0: JO(Jz);
700 0x1: JNO(Jz);
701 0x2: JB(Jz);
702 0x3: JNB(Jz);
703 0x4: JZ(Jz);
704 0x5: JNZ(Jz);
705 0x6: JBE(Jz);
706 0x7: JNBE(Jz);
707 }
708 0x11: decode OPCODE_OP_BOTTOM3 {
709 0x0: JS(Jz);
710 0x1: JNS(Jz);
711 0x2: JP(Jz);
712 0x3: JNP(Jz);
713 0x4: JL(Jz);
714 0x5: JNL(Jz);
715 0x6: JLE(Jz);
716 0x7: JNLE(Jz);
717 }
718 0x12: decode OPCODE_OP_BOTTOM3 {
719 0x0: SETO(Eb);
720 0x1: SETNO(Eb);
721 0x2: SETB(Eb);
722 0x3: SETNB(Eb);
723 0x4: SETZ(Eb);
724 0x5: SETNZ(Eb);
725 0x6: SETBE(Eb);
726 0x7: SETNBE(Eb);
727 }
728 0x13: decode OPCODE_OP_BOTTOM3 {
729 0x0: SETS(Eb);
730 0x1: SETNS(Eb);
731 0x2: SETP(Eb);
732 0x3: SETNP(Eb);
733 0x4: SETL(Eb);
734 0x5: SETNL(Eb);
735 0x6: SETLE(Eb);
736 0x7: SETNLE(Eb);
737 }
738 }
739 0x14: decode OPCODE_OP_BOTTOM3 {
740 0x0: push_fs();
741 0x1: pop_fs();
742 0x2: CPUIDInst::CPUID({{
743 CpuidResult result;
744 bool success = doCpuid(xc->tcBase(), bits(Rax, 31, 0),
745 bits(Rcx, 31, 0), result);
746 if (success) {
747 Rax = result.rax;
748 Rbx = result.rbx;
749 Rcx = result.rcx;
750 Rdx = result.rdx;
751 } else {
752 Rax = Rax;
753 Rbx = Rbx;
754 Rcx = Rcx;
755 Rdx = Rdx;
756 }
757 }});
758 0x3: Inst::BT(Ev,Gv);
759 0x4: Inst::SHLD(Ev,Gv,Ib);
760 0x5: Inst::SHLD(Ev,Gv);
761 default: Inst::UD2();
762 }
763 0x15: decode OPCODE_OP_BOTTOM3 {
764 0x0: push_gs();
765 0x1: pop_gs();
766 0x2: rsm_smm();
767 0x3: Inst::BTS(Ev,Gv);
768 0x4: Inst::SHRD(Ev,Gv,Ib);
769 0x5: Inst::SHRD(Ev,Gv);
770 //0x6: group15();
771 0x6: decode MODRM_MOD {
772 0x3: decode MODRM_REG {
773 0x5: BasicOperate::LFENCE(
774 {{/*Nothing*/}}, IsReadBarrier);
775 0x6: BasicOperate::MFENCE(
776 {{/*Nothing*/}}, IsMemBarrier);
777 0x7: BasicOperate::SFENCE(
778 {{/*Nothing*/}}, IsWriteBarrier);
779 default: Inst::UD2();
780 }
781 default: decode MODRM_REG {
782 0x0: decode OPSIZE {
783 4: Inst::FXSAVE(M);
784 8: Inst::FXSAVE64(M);
785 default: fxsave();
786 }
787 0x1: decode OPSIZE {
788 4: Inst::FXRSTOR(M);
789 8: Inst::FXRSTOR64(M);
790 default: fxrstor();
791 }
792 0x2: Inst::LDMXCSR(Md);
793 0x3: Inst::STMXCSR(Md);
794 0x4: xsave();
795 0x5: xrstor();
796 0x6: Inst::UD2();
797 0x7: clflush();
798 }
799 }
800 0x7: Inst::IMUL(Gv,Ev);
801 }
802 format Inst {
803 0x16: decode OPCODE_OP_BOTTOM3 {
804 0x0: CMPXCHG(Eb,Gb);
805 0x1: CMPXCHG(Ev,Gv);
806 0x2: WarnUnimpl::lss_Gz_Mp();
807 0x3: BTR(Ev,Gv);
808 0x4: WarnUnimpl::lfs_Gz_Mp();
809 0x5: WarnUnimpl::lgs_Gz_Mp();
810 //The size of the second operand in these instructions
811 //should really be "b" or "w", but it's set to v in order
812 //to have a consistent register size. This shouldn't
813 //affect behavior.
814 0x6: MOVZX_B(Gv,Ev);
815 0x7: MOVZX_W(Gv,Ev);
816 }
817 0x17: decode OPCODE_OP_BOTTOM3 {
818 0x0: decode LEGACY_REP {
819 0x0: WarnUnimpl::jmpe_Jz();
820 0x1: WarnUnimpl::popcnt_Gv_Ev();
821 }
822 //0x1: group10_UD2();
823 0x1: UD2();
824 //0x2: group8_Ev_Ib();
825 0x2: decode MODRM_REG {
826 0x4: BT(Ev,Ib);
827 0x5: BTS(Ev,Ib);
828 0x6: BTR(Ev,Ib);
829 0x7: BTC(Ev,Ib);
830 default: UD2();
831 }
832 0x3: BTC(Ev,Gv);
833 0x4: BSF(Gv,Ev);
834 0x5: BSR(Gv,Ev);
835 //The size of the second operand in these instructions
836 //should really be "b" or "w", but it's set to v in order
837 //to have a consistent register size. This shouldn't
838 //affect behavior.
839 0x6: MOVSX_B(Gv,Ev);
840 0x7: MOVSX_W(Gv,Ev);
841 }
842 0x18: decode OPCODE_OP_BOTTOM3 {
843 0x0: XADD(Eb,Gb);
844 0x1: XADD(Ev,Gv);
845 //0x7: group9();
846 0x7: decode MODRM_REG {
847 //Also CMPXCHG16B
848 0x1: CMPXCHG8B(Mdp);
849 0x6: decode LEGACY_OP {
850 0x1: WarnUnimpl::vmclear_Mq();
851 default: decode LEGACY_REP {
852 0x1: WarnUnimpl::vmxon_Mq();
853 0x0: WarnUnimpl::vmptrld_Mq();
854 }
855 }
856 0x7: WarnUnimpl::vmptrst_Mq();
857 default: UD2();
858 }
859 default: decode LEGACY_DECODEVAL {
860 // no prefix
861 0x0: decode OPCODE_OP_BOTTOM3 {
862 0x2: CMPPS(Vo,Wo,Ib);
863 0x3: MOVNTI(Mdp,Gdp);
864 0x4: PINSRW(Pq,Ew,Ib);
865 0x5: PEXTRW(Gd,PRq,Ib);
866 0x6: SHUFPS(Vps,Wps,Ib);
867 }
868 // repe (0xF3)
869 0x4: decode OPCODE_OP_BOTTOM3 {
870 0x2: CMPSS(Vd,Wd,Ib);
871 default: UD2();
872 }
873 // operand size (0x66)
874 0x1: decode OPCODE_OP_BOTTOM3 {
875 0x2: CMPPD(Vo,Wo,Ib);
876 0x4: PINSRW(Vdw,Ew,Ib);
877 0x5: PEXTRW(Gd,VRdq,Ib);
878 0x6: SHUFPD(Vpd,Wpd,Ib);
879 default: UD2();
880 }
881 // repne (0xF2)
882 0x8: decode OPCODE_OP_BOTTOM3 {
883 0x2: CMPSD(Vq,Wq,Ib);
884 default: UD2();
885 }
886 default: UD2();
887 }
888 }
889 0x19: decode OPSIZE {
890 4: BSWAP_D(Bd);
891 8: BSWAP_Q(Bq);
892 default: UD2();
893 }
894 0x1A: decode LEGACY_DECODEVAL {
895 // no prefix
896 0x0: decode OPCODE_OP_BOTTOM3 {
897 0x1: PSRLW(Pq,Qq);
898 0x2: PSRLD(Pq,Qq);
899 0x3: PSRLQ(Pq,Qq);
900 0x4: PADDQ(Pq,Qq);
901 0x5: PMULLW(Pq,Qq);
902 0x7: PMOVMSKB(Gd,PRq);
903 default: UD2();
904 }
905 // repe (0xF3)
906 0x4: decode OPCODE_OP_BOTTOM3 {
907 0x6: MOVQ2DQ(Vo,PRq);
908 default: UD2();
909 }
910 // operand size (0x66)
911 0x1: decode OPCODE_OP_BOTTOM3 {
912 0x0: ADDSUBPD(Vo,Wo);
913 0x1: PSRLW(Vo,Wo);
914 0x2: PSRLD(Vo,Wo);
915 0x3: PSRLQ(Vo,Wo);
916 0x4: PADDQ(Vo,Wo);
917 0x5: PMULLW(Vo,Wo);
918 0x6: MOVQ(Wq,Vq);
919 0x7: PMOVMSKB(Gd,VRo);
920 }
921 // repne (0xF2)
922 0x8: decode OPCODE_OP_BOTTOM3 {
923 0x0: WarnUnimpl::addsubps_Vo_Wo();
924 0x6: MOVDQ2Q(Pq,VRq);
925 default: UD2();
926 }
927 default: UD2();
928 }
929 0x1B: decode LEGACY_DECODEVAL {
930 // no prefix
931 0x0: decode OPCODE_OP_BOTTOM3 {
932 0x0: PSUBUSB(Pq,Qq);
933 0x1: PSUBUSW(Pq,Qq);
934 0x2: PMINUB(Pq,Qq);
935 0x3: PAND(Pq,Qq);
936 0x4: PADDUSB(Pq,Qq);
937 0x5: PADDUSW(Pq,Qq);
938 0x6: PMAXUB(Pq,Qq);
939 0x7: PANDN(Pq,Qq);
940 }
941 // operand size (0x66)
942 0x1: decode OPCODE_OP_BOTTOM3 {
943 0x0: PSUBUSB(Vo,Wo);
944 0x1: PSUBUSW(Vo,Wo);
945 0x2: PMINUB(Vo,Wo);
946 0x3: PAND(Vo,Wo);
947 0x4: PADDUSB(Vo,Wo);
948 0x5: PADDUSW(Vo,Wo);
949 0x6: PMAXUB(Vo,Wo);
950 0x7: PANDN(Vo,Wo);
951 }
952 default: UD2();
953 }
954 0x1C: decode LEGACY_DECODEVAL {
955 // no prefix
956 0x0: decode OPCODE_OP_BOTTOM3 {
957 0x0: PAVGB(Pq,Qq);
958 0x1: PSRAW(Pq,Qq);
959 0x2: PSRAD(Pq,Qq);
960 0x3: PAVGW(Pq,Qq);
961 0x4: PMULHUW(Pq,Qq);
962 0x5: PMULHW(Pq,Qq);
963 0x7: WarnUnimpl::movntq_Mq_Pq();
964 default: UD2();
965 }
966 // repe (0xF3)
967 0x4: decode OPCODE_OP_BOTTOM3 {
968 0x6: CVTDQ2PD(Vo,Wq);
969 default: UD2();
970 }
971 // operand size (0x66)
972 0x1: decode OPCODE_OP_BOTTOM3 {
973 0x0: PAVGB(Vo,Wo);
974 0x1: PSRAW(Vo,Wo);
975 0x2: PSRAD(Vo,Wo);
976 0x3: PAVGW(Vo,Wo);
977 0x4: PMULHUW(Vo,Wo);
978 0x5: PMULHW(Vo,Wo);
979 0x6: CVTTPD2DQ(Vo,Wo);
980 0x7: WarnUnimpl::movntdq_Mo_Vo();
981 }
982 // repne (0xF2)
983 0x8: decode OPCODE_OP_BOTTOM3 {
984 0x6: CVTPD2DQ(Vo,Wo);
985 default: UD2();
986 }
987 default: UD2();
988 }
989 0x1D: decode LEGACY_DECODEVAL {
990 // no prefix
991 0x0: decode OPCODE_OP_BOTTOM3 {
992 0x0: PSUBSB(Pq,Qq);
993 0x1: PSUBSW(Pq,Qq);
994 0x2: PMINSW(Pq,Qq);
995 0x3: POR(Pq,Qq);
996 0x4: PADDSB(Pq,Qq);
997 0x5: PADDSW(Pq,Qq);
998 0x6: PMAXSW(Pq,Qq);
999 0x7: PXOR(Pq,Qq);
1000 }
1001 // operand size (0x66)
1002 0x1: decode OPCODE_OP_BOTTOM3 {
1003 0x0: PSUBSB(Vo,Wo);
1004 0x1: PSUBSW(Vo,Wo);
1005 0x2: PMINSW(Vo,Wo);
1006 0x3: POR(Vo,Wo);
1007 0x4: PADDSB(Vo,Wo);
1008 0x5: PADDSW(Vo,Wo);
1009 0x6: PMAXSW(Vo,Wo);
1010 0x7: PXOR(Vo,Wo);
1011 }
1012 default: UD2();
1013 }
1014 0x1E: decode LEGACY_DECODEVAL {
1015 // no prefix
1016 0x0: decode OPCODE_OP_BOTTOM3 {
1017 0x1: PSLLW(Pq,Qq);
1018 0x2: PSLLD(Pq,Qq);
1019 0x3: PSLLQ(Pq,Qq);
1020 0x4: PMULUDQ(Pq,Qq);
1021 0x5: PMADDWD(Pq,Qq);
1022 0x6: PSADBW(Pq,Qq);
1023 0x7: MASKMOVQ(Pq,PRq);
1024 default: UD2();
1025 }
1026 // operand size (0x66)
1027 0x1: decode OPCODE_OP_BOTTOM3 {
1028 0x1: PSLLW(Vo,Wo);
1029 0x2: PSLLD(Vo,Wo);
1030 0x3: PSLLQ(Vo,Wo);
1031 0x4: PMULUDQ(Vo,Wo);
1032 0x5: PMADDWD(Vo,Wo);
1033 0x6: PSADBW(Vo,Wo);
1034 0x7: MASKMOVDQU(Vo,VRo);
1035 default: UD2();
1036 }
1037 // repne (0xF2)
1038 0x8: decode OPCODE_OP_BOTTOM3 {
1039 0x0: WarnUnimpl::lddqu_Vo_Mo();
1040 default: UD2();
1041 }
1042 default: UD2();
1043 }
1044 0x1F: decode LEGACY_DECODEVAL {
1045 // no prefix
1046 0x0: decode OPCODE_OP_BOTTOM3 {
1047 0x0: PSUBB(Pq,Qq);
1048 0x1: PSUBW(Pq,Qq);
1049 0x2: PSUBD(Pq,Qq);
1050 0x3: PSUBQ(Pq,Qq);
1051 0x4: PADDB(Pq,Qq);
1052 0x5: PADDW(Pq,Qq);
1053 0x6: PADDD(Pq,Qq);
1054 0x7: UD2();
1055 }
1056 // operand size (0x66)
1057 0x1: decode OPCODE_OP_BOTTOM3 {
1058 0x0: PSUBB(Vo,Wo);
1059 0x1: PSUBW(Vo,Wo);
1060 0x2: PSUBD(Vo,Wo);
1061 0x3: PSUBQ(Vo,Wo);
1062 0x4: PADDB(Vo,Wo);
1063 0x5: PADDW(Vo,Wo);
1064 0x6: PADDD(Vo,Wo);
1065 0x7: UD2();
1066 }
1067 default: UD2();
1068 }
1069 }
1070 default: FailUnimpl::twoByteOps();
1071 }
1072}