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