two_byte_opcodes.isa (5238:95f494fd38bd) two_byte_opcodes.isa (5240:6dc723c9c6a9)
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54// Authors: Gabe Black
55
56////////////////////////////////////////////////////////////////////
57//
58// Decode the two byte opcodes
59//
600x2: decode OPCODE_PREFIXA {
61 0x0F: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 //0x00: group6();
65 0x00: decode MODRM_REG {
66 0x0: sldt_Mw_or_Rv();
67 0x1: str_Mw_or_Rv();
68 0x2: lldt_Mw_or_Rv();
69 0x3: ltr_Mw_or_Rv();
70 0x4: verr_Mw_or_Rv();
71 0x5: verw_Mw_or_Rv();
72 //0x6: jmpe_Ev(); // IA-64
73 default: Inst::UD2();
74 }
75 //0x01: group7(); // Ugly, ugly, ugly...
76 0x01: decode MODRM_MOD {
77 0x3: decode MODRM_REG {
78 0x0: decode MODRM_RM {
79 0x1: vmcall();
80 0x2: vmlaunch();
81 0x3: vmresume();
82 0x4: vmxoff();
83 default: Inst::UD2();
84 }
85 0x1: decode MODRM_RM {
86 0x0: monitor();
87 0x1: mwait();
88 default: Inst::UD2();
89 }
90 0x3: decode MODRM_RM {
91 0x0: vmrun();
92 0x1: vmmcall();
93 0x2: vmload();
94 0x3: vmsave();
95 0x4: stgi();
96 0x5: clgi();
97 0x6: skinit();
98 0x7: invlpga();
99 }
100 0x4: smsw_Rv();
101 0x6: lmsw_Rv();
102 0x7: decode MODRM_RM {
103 0x0: swapgs();
104 0x1: rdtscp();
105 default: Inst::UD2();
106 }
107 default: Inst::UD2();
108 }
109 default: decode MODRM_REG {
110 0x0: sgdt_Ms();
111 0x1: sidt_Ms();
112 0x2: lgdt_Ms();
113 0x3: lidt_Ms();
114 0x4: smsw_Mw();
115 0x6: lmsw_Mw();
116 0x7: invlpg_M();
117 default: Inst::UD2();
118 }
119 }
120 0x02: lar_Gv_Ew();
121 0x03: lsl_Gv_Ew();
122 //sandpile.org doesn't seem to know what this is... ?
123 0x04: loadall_or_reset_or_hang();
124#if FULL_SYSTEM
125 0x05: syscall();
126#else
127 0x05: SyscallInst::syscall('xc->syscall(rax)', IsSyscall);
128#endif
129 0x06: clts();
130 //sandpile.org says (AMD) after sysret, so I might want to check
131 //if that means amd64 or AMD machines
132 0x07: loadall_or_sysret();
133 }
134 0x01: decode OPCODE_OP_BOTTOM3 {
135 0x0: invd();
136 0x1: wbinvd();
137 0x2: Inst::UD2();
138 0x3: Inst::UD2();
139 0x4: Inst::UD2();
140 0x5: threednow();
141 0x6: threednow();
142 0x7: threednow();
143 }
144 0x02: decode LEGACY_DECODEVAL {
145 // no prefix
146 0x0: decode OPCODE_OP_BOTTOM3 {
147 0x0: movups_Vo_Wo();
148 0x1: movups_Wo_Vo();
149 0x2: decode MODRM_MOD {
150 0x3: movhlps_Vq_VRq();
151 default: movlps_Vq_Mq();
152 }
153 0x3: movlps_Mq_Vq();
154 0x4: unpcklps();
155 0x5: unpckhps();
156 0x6: decode MODRM_MOD {
157 0x3: movlhps_Vq_VRq();
158 default: movhps_Vq_Mq();
159 }
160 0x7: movhps_Mq_Vq();
161 }
162 // repe (0xF3)
163 0x4: decode OPCODE_OP_BOTTOM3 {
164 0x0: movss_Vd_Wd();
165 0x1: movss_Wd_Vd();
166 0x2: movsldup_Vo_Wo();
167 0x6: movshdup_Vo_Wo();
168 default: Inst::UD2();
169 }
170 // operand size (0x66)
171 0x1: decode OPCODE_OP_BOTTOM3 {
172 0x0: movupd_Vo_Wo();
173 0x1: movupd_Wo_Vo();
174 0x2: Inst::MOVLPD(Vq,Mq);
175 0x3: Inst::MOVLPD(Mq,Vq);
176 0x4: unpcklpd_Vo_Wq();
177 0x5: unpckhpd_Vo_Wo();
178 0x6: movhpd_Vq_Mq();
179 0x7: movhpd_Mq_Vq();
180 }
181 // repne (0xF2)
182 0x8: decode OPCODE_OP_BOTTOM3 {
183 0x0: Inst::MOVSD(Vq,Wq);
184 0x1: Inst::MOVSD(Wq,Vq);
185 0x2: movddup_Vo_Wq();
186 default: Inst::UD2();
187 }
188 default: Inst::UD2();
189 }
190 0x03: decode OPCODE_OP_BOTTOM3 {
191 0x0: group17();
192 0x1: group17();
193 0x2: group17();
194 0x3: group17();
195 0x4: group17();
196 0x5: group17();
197 0x6: group17();
198 0x7: group17();
199 }
200 0x04: decode LEGACY_DECODEVAL {
201 // no prefix
202 0x0: decode OPCODE_OP_BOTTOM3 {
203 0x0: mov_Rd_Cd();
204 0x1: mov_Rd_Dd();
205 0x2: mov_Cd_Rd();
206 0x3: mov_Dd_Rd();
207 0x4: mov_Rd_Td();
208 0x6: mov_Td_Rd();
209 default: Inst::UD2();
210 }
211 // lock prefix (0xF0)
212 0x2: decode OPCODE_OP_BOTTOM3 {
213 0x0: mov_Rd_CR8D();
214 0x2: mov_CR8D_Rd();
215 }
216 default: Inst::UD2();
217 }
218 0x05: decode LEGACY_DECODEVAL {
219 // no prefix
220 0x0: decode OPCODE_OP_BOTTOM3 {
221 //These moves should really use size o (octword), but
222 //because they are split in two, they use q (quadword).
223 0x0: Inst::MOVAPS(Vq,Wq);
224 0x1: Inst::MOVAPS(Wq,Vq);
225 0x2: decode MODRM_MOD {
226 0x3: cvtpi2pS_Vq_Pq();
227 default: cvtpi2ps_Vq_Mq();
228 }
229 0x3: movntps_Mo_Vo();
230 0x4: cvttps2pi_Pq_Wq();
231 0x5: cvtpS2pi_Pq_Wq();
232 0x6: ucomiss_Vd_Wd();
233 0x7: comiss_Vd_Wd();
234 }
235 // repe (0xF3)
236 0x4: decode OPCODE_OP_BOTTOM3 {
237 0x2: cvtsi2ss_Vd_Ed();
238 0x4: cvttss2si_Gd_Wd();
239 0x5: cvtss2si_Gd_Wd();
240 default: Inst::UD2();
241 }
242 // operand size (0x66)
243 0x1: decode OPCODE_OP_BOTTOM3 {
244 0x0: movapd_Vo_Wo();
245 0x1: movapd_Wo_Vo();
246 0x2: decode MODRM_MOD {
247 0x3: cvtpi2pd_Vo_Pq();
248 default: cvtpi2pd_Vo_Mq();
249 }
250 0x3: movntpd_Mo_Vo();
251 0x4: cvttpd2pi_Pq_Wo();
252 0x5: cvtpd2pi_Pq_Wo();
253 0x6: Inst::UCOMISD(Vq,Wq);
254 0x7: comisd_Vq_Wq();
255 }
256 // repne (0xF2)
257 0x8: decode OPCODE_OP_BOTTOM3 {
258 // The size of the V operand should be q, not dp
259 0x2: Inst::CVTSI2SD(Vdp,Edp);
260 // The size of the W operand should be q, not dp
261 0x4: Inst::CVTTSD2SI(Gdp,Wdp);
262 0x5: cvtsd2si_Gd_Wq();
263 default: Inst::UD2();
264 }
265 default: Inst::UD2();
266 }
267 0x06: decode OPCODE_OP_BOTTOM3 {
268 0x0: Inst::WRMSR();
269 0x1: rdtsc();
270 0x2: Inst::RDMSR();
271 0x3: rdpmc();
272 0x4: sysenter();
273 0x5: sysexit();
274 0x6: Inst::UD2();
275 0x7: getsec();
276 }
277 0x07: decode OPCODE_OP_BOTTOM3 {
278 0x0: three_byte_opcode();
279 0x1: three_byte_opcode();
280 0x2: three_byte_opcode();
281 0x3: three_byte_opcode();
282 0x4: three_byte_opcode();
283 0x5: three_byte_opcode();
284 0x6: three_byte_opcode();
285 0x7: three_byte_opcode();
286 }
287 format Inst {
288 0x08: decode OPCODE_OP_BOTTOM3 {
289 0x0: CMOVO(Gv,Ev);
290 0x1: CMOVNO(Gv,Ev);
291 0x2: CMOVB(Gv,Ev);
292 0x3: CMOVNB(Gv,Ev);
293 0x4: CMOVZ(Gv,Ev);
294 0x5: CMOVNZ(Gv,Ev);
295 0x6: CMOVBE(Gv,Ev);
296 0x7: CMOVNBE(Gv,Ev);
297 }
298 0x09: decode OPCODE_OP_BOTTOM3 {
299 0x0: CMOVS(Gv,Ev);
300 0x1: CMOVNS(Gv,Ev);
301 0x2: CMOVP(Gv,Ev);
302 0x3: CMOVNP(Gv,Ev);
303 0x4: CMOVL(Gv,Ev);
304 0x5: CMOVNL(Gv,Ev);
305 0x6: CMOVLE(Gv,Ev);
306 0x7: CMOVNLE(Gv,Ev);
307 }
308 }
309 0x0A: decode LEGACY_DECODEVAL {
310 // no prefix
311 0x0: decode OPCODE_OP_BOTTOM3 {
312 0x0: movmskps_Gd_VRo();
313 0x1: sqrtps_Vo_Wo();
314 0x2: rqsrtps_Vo_Wo();
315 0x3: rcpps_Vo_Wo();
316 0x4: andps_Vo_Wo();
317 0x5: andnps_Vo_Wo();
318 0x6: orps_Vo_Wo();
319 0x7: xorps_Vo_Wo();
320 }
321 // repe (0xF3)
322 0x4: decode OPCODE_OP_BOTTOM3 {
323 0x1: sqrtss_Vd_Wd();
324 0x2: rsqrtss_Vd_Wd();
325 0x3: rcpss_Vd_Wd();
326 default: Inst::UD2();
327 }
328 // operand size (0x66)
329 0x1: decode OPCODE_OP_BOTTOM3 {
330 0x0: movmskpd_Gd_VRo();
331 0x1: sqrtpd_Vo_Wo();
332 0x4: andpd_Vo_Wo();
333 0x5: andnpd_Vo_Wo();
334 0x6: orpd_Vo_Wo();
335 //This really should be type o, but it works on q sized
336 //chunks at a time.
337 0x7: Inst::XORPD(Vq,Wq);
338 default: Inst::UD2();
339 }
340 format Inst {
341 // repne (0xF2)
342 0x8: decode OPCODE_OP_BOTTOM3 {
343 0x1: SQRTSD(Vq,Wq);
344 default: UD2();
345 }
346 default: UD2();
347 }
348 }
349 0x0B: decode LEGACY_DECODEVAL {
350 // no prefix
351 0x0: decode OPCODE_OP_BOTTOM3 {
352 0x0: addps_Vo_Wo();
353 0x1: mulps_Vo_Wo();
354 0x2: cvtps2pd_Vo_Wq();
355 0x3: cvtdq2ps_Vo_Wo();
356 0x4: subps_Vo_Wo();
357 0x5: minps_Vo_Wo();
358 0x6: divps_Vo_Wo();
359 0x7: maxps_Vo_Wo();
360 }
361 // repe (0xF3)
362 0x4: decode OPCODE_OP_BOTTOM3 {
363 0x0: addss_Vd_Wd();
364 0x1: mulss_Vd_Wd();
365 0x2: cvtss2sd_Vq_Wd();
366 0x3: cvttps2dq_Vo_Wo();
367 0x4: subss_Vd_Wd();
368 0x5: minss_Vd_Wd();
369 0x6: divss_Vd_Wd();
370 0x7: maxss_Vd_Wd();
371 }
372 // operand size (0x66)
373 0x1: decode OPCODE_OP_BOTTOM3 {
374 0x0: addpd_Vo_Wo();
375 0x1: mulpd_Vo_Wo();
376 0x2: cvtpd2ps_Vo_Wo();
377 0x3: cvtps2dq_Vo_Wo();
378 0x4: subpd_Vo_Wo();
379 0x5: minpd_Vo_Wo();
380 0x6: divpd_Vo_Wo();
381 0x7: maxpd_Vo_Wo();
382 }
383 // repne (0xF2)
384 0x8: decode OPCODE_OP_BOTTOM3 {
385 0x0: Inst::ADDSD(Vq,Wq);
386 0x1: Inst::MULSD(Vq,Wq);
387 0x2: cvtsd2ss_Vd_Wq();
388 0x4: Inst::SUBSD(Vq,Wq);
389 0x5: minsd_Vq_Wq();
390 0x6: Inst::DIVSD(Vq,Wq);
391 0x7: maxsd_Vq_Wq();
392 default: Inst::UD2();
393 }
394 default: Inst::UD2();
395 }
396 0x0C: decode LEGACY_DECODEVAL {
397 // no prefix
398 0x0: decode OPCODE_OP_BOTTOM3 {
399 0x0: punpcklbw_Pq_Qd();
400 0x1: punpcklwd_Pq_Qd();
401 0x2: punpckldq_Pq_Qd();
402 0x3: packsswb_Pq_Qq();
403 0x4: pcmpgtb_Pq_Qq();
404 0x5: pcmpgtw_Pq_Qq();
405 0x6: pcmpgtd_Pq_Qq();
406 0x7: packuswb_Pq_Qq();
407 }
408 // operand size (0x66)
409 0x1: decode OPCODE_OP_BOTTOM3 {
410 0x0: punpcklbw_Vo_Wq();
411 0x1: punpcklwd_Vo_Wq();
412 0x2: punpckldq_Vo_Wq();
413 0x3: packsswb_Vo_Wo();
414 0x4: pcmpgtb_Vo_Wo();
415 0x5: pcmpgtw_Vo_Wo();
416 0x6: pcmpgtd_Vo_Wo();
417 0x7: packuswb_Vo_Wo();
418 }
419 default: Inst::UD2();
420 }
421 0x0D: decode LEGACY_DECODEVAL {
422 // no prefix
423 0x0: decode OPCODE_OP_BOTTOM3 {
424 0x0: punpckhbw_Pq_Qq();
425 0x1: punpckhwd_Pq_Qq();
426 0x2: punpckhdq_Pq_Qq();
427 0x3: packssdw_Pq_Qq();
428 0x6: movd_Pq_Ed();
429 0x7: movq_Pq_Qq();
430 default: Inst::UD2();
431 }
432 // repe (0xF3)
433 0x4: decode OPCODE_OP_BOTTOM3 {
434 0x7: movdqu_Vo_Wo();
435 default: Inst::UD2();
436 }
437 // operand size (0x66)
438 0x1: decode OPCODE_OP_BOTTOM3 {
439 0x0: punpckhbw_Vo_Wo();
440 0x1: punpckhwd_Vo_Wo();
441 0x2: punpckhdq_Vo_Wo();
442 0x3: packssdw_Vo_Wo();
443 0x4: punpcklqdq_Vo_Wq();
444 0x5: punpcklqdq_Vo_Wq();
445 0x6: movd_Vo_Ed();
446 0x7: movdqa_Vo_Wo();
447 }
448 default: Inst::UD2();
449 }
450 0x0E: decode LEGACY_DECODEVAL {
451 // no prefix
452 0x0: decode OPCODE_OP_BOTTOM3 {
453 0x0: pshufw_Pq_Qq_Ib();
454 //0x1: group13_pshimw();
455 0x1: decode MODRM_REG {
456 0x2: decode LEGACY_OP {
457 0x0: psrlw_PRq_Ib();
458 0x1: psrlw_VRo_Ib();
459 }
460 0x4: decode LEGACY_OP {
461 0x0: psraw_PRq_Ib();
462 0x1: psraw_VRo_Ib();
463 }
464 0x6: decode LEGACY_OP {
465 0x0: psllw_PRq_Ib();
466 0x1: psllw_VRo_Ib();
467 }
468 default: Inst::UD2();
469 }
470 //0x2: group14_pshimd();
471 0x2: decode MODRM_REG {
472 0x2: decode LEGACY_OP {
473 0x0: psrld_PRq_Ib();
474 0x1: psrld_VRo_Ib();
475 }
476 0x4: decode LEGACY_OP {
477 0x0: psrad_PRq_Ib();
478 0x1: psrad_VRo_Ib();
479 }
480 0x6: decode LEGACY_OP {
481 0x0: pslld_PRq_Ib();
482 0x1: pslld_VRo_Ib();
483 }
484 default: Inst::UD2();
485 }
486 //0x3: group15_pshimq();
487 0x3: decode MODRM_REG {
488 0x2: decode LEGACY_OP {
489 0x0: psrlq_PRq_Ib();
490 0x1: psrlq_VRo_Ib();
491 }
492 0x3: decode LEGACY_OP {
493 0x0: Inst::UD2();
494 0x1: psrldq_VRo_Ib();
495 }
496 0x6: decode LEGACY_OP {
497 0x0: psllq_PRq_Ib();
498 0x1: psllq_VRo_Ib();
499 }
500 0x7: decode LEGACY_OP {
501 0x0: Inst::UD2();
502 0x1: pslldq_VRo_Ib();
503 }
504 default: Inst::UD2();
505 }
506 0x4: pcmpeqb_Pq_Qq();
507 0x5: pcmpeqw_Pq_Qq();
508 0x6: pcmpeqd_Pq_Qq();
509 0x7: emms();
510 }
511 // repe (0xF3)
512 0x4: decode OPCODE_OP_BOTTOM3 {
513 0x0: pshufhw_Vo_Wo_Ib();
514 default: Inst::UD2();
515 }
516 // operand size (0x66)
517 0x1: decode OPCODE_OP_BOTTOM3 {
518 0x0: pshufd_Vo_Wo_Ib();
519 //0x1: group13_pshimw();
520 0x1: decode MODRM_REG {
521 0x2: decode LEGACY_OP {
522 0x0: psrlw_PRq_Ib();
523 0x1: psrlw_VRo_Ib();
524 }
525 0x4: decode LEGACY_OP {
526 0x0: psraw_PRq_Ib();
527 0x1: psraw_VRo_Ib();
528 }
529 0x6: decode LEGACY_OP {
530 0x0: psllw_PRq_Ib();
531 0x1: psllw_VRo_Ib();
532 }
533 default: Inst::UD2();
534 }
535 //0x2: group14_pshimd();
536 0x2: decode MODRM_REG {
537 0x2: decode LEGACY_OP {
538 0x0: psrld_PRq_Ib();
539 0x1: psrld_VRo_Ib();
540 }
541 0x4: decode LEGACY_OP {
542 0x0: psrad_PRq_Ib();
543 0x1: psrad_VRo_Ib();
544 }
545 0x6: decode LEGACY_OP {
546 0x0: pslld_PRq_Ib();
547 0x1: pslld_VRo_Ib();
548 }
549 default: Inst::UD2();
550 }
551 //0x3: group15_pshimq();
552 0x3: decode MODRM_REG {
553 0x2: decode LEGACY_OP {
554 0x0: psrlq_PRq_Ib();
555 0x1: psrlq_VRo_Ib();
556 }
557 0x3: decode LEGACY_OP {
558 0x0: Inst::UD2();
559 0x1: psrldq_VRo_Ib();
560 }
561 0x6: decode LEGACY_OP {
562 0x0: psllq_PRq_Ib();
563 0x1: psllq_VRo_Ib();
564 }
565 0x7: decode LEGACY_OP {
566 0x0: Inst::UD2();
567 0x1: pslldq_VRo_Ib();
568 }
569 default: Inst::UD2();
570 }
571 0x4: pcmpeqb_Vo_Wo();
572 0x5: pcmpeqw_Vo_Wo();
573 0x6: pcmpeqd_Vo_Wo();
574 default: Inst::UD2();
575 }
576 // repne (0xF2)
577 0x8: decode OPCODE_OP_BOTTOM3 {
578 0x0: pshuflw_Vo_Wo_Ib();
579 default: Inst::UD2();
580 }
581 default: Inst::UD2();
582 }
583 0x0F: decode LEGACY_DECODEVAL {
584 // no prefix
585 0x0: decode OPCODE_OP_BOTTOM3 {
586 0x0: vmread_Ed_or_Eq_Gd_or_Gq();
587 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq();
588 0x6: mov_Ed_Pd();
589 0x7: mov_Qq_Pq();
590 default: Inst::UD2();
591 }
592 // repe (0xF3)
593 0x4: decode OPCODE_OP_BOTTOM3 {
594 0x6: movq_Vo_Mq_or_Vq_Vq();
595 0x7: movdqu_Wo_Vo();
596 default: Inst::UD2();
597 }
598 // operand size (0x66)
599 0x1: decode OPCODE_OP_BOTTOM3 {
600 0x4: haddpd_Vo_Wo();
601 0x5: hsubpd_Vo_Wo();
602 0x6: movd_Ed_Vd();
603 0x7: movdqa_Wo_Vo();
604 default: Inst::UD2();
605 }
606 // repne (0xF2)
607 0x8: decode OPCODE_OP_BOTTOM3 {
608 0x4: haddps_Vo_Wo();
609 0x5: hsubps_Vo_Wo();
610 default: Inst::UD2();
611 }
612 default: Inst::UD2();
613 }
614 format Inst {
615 0x10: decode OPCODE_OP_BOTTOM3 {
616 0x0: JO(Jz);
617 0x1: JNO(Jz);
618 0x2: JB(Jz);
619 0x3: JNB(Jz);
620 0x4: JZ(Jz);
621 0x5: JNZ(Jz);
622 0x6: JBE(Jz);
623 0x7: JNBE(Jz);
624 }
625 0x11: decode OPCODE_OP_BOTTOM3 {
626 0x0: JS(Jz);
627 0x1: JNS(Jz);
628 0x2: JP(Jz);
629 0x3: JNP(Jz);
630 0x4: JL(Jz);
631 0x5: JNL(Jz);
632 0x6: JLE(Jz);
633 0x7: JNLE(Jz);
634 }
635 0x12: decode OPCODE_OP_BOTTOM3 {
636 0x0: SETO(Eb);
637 0x1: SETNO(Eb);
638 0x2: SETB(Eb);
639 0x3: SETNB(Eb);
640 0x4: SETZ(Eb);
641 0x5: SETNZ(Eb);
642 0x6: SETBE(Eb);
643 0x7: SETNBE(Eb);
644 }
645 0x13: decode OPCODE_OP_BOTTOM3 {
646 0x0: SETS(Eb);
647 0x1: SETNS(Eb);
648 0x2: SETP(Eb);
649 0x3: SETNP(Eb);
650 0x4: SETL(Eb);
651 0x5: SETNL(Eb);
652 0x6: SETLE(Eb);
653 0x7: SETNLE(Eb);
654 }
655 }
656 0x14: decode OPCODE_OP_BOTTOM3 {
657 0x0: push_fs();
658 0x1: pop_fs();
659 0x2: Inst::CPUID(rAd);
1// Copyright (c) 2007 The Hewlett-Packard Development Company
2// All rights reserved.
3//
4// Redistribution and use of this software in source and binary forms,
5// with or without modification, are permitted provided that the
6// following conditions are met:
7//
8// The software must be used only for Non-Commercial Use which means any
9// use which is NOT directed to receiving any direct monetary
10// compensation for, or commercial advantage from such use. Illustrative
11// examples of non-commercial use are academic research, personal study,
12// teaching, education and corporate research & development.
13// Illustrative examples of commercial use are distributing products for
14// commercial advantage and providing services using the software for
15// commercial advantage.
16//
17// If you wish to use this software or functionality therein that may be
18// covered by patents for commercial use, please contact:
19// Director of Intellectual Property Licensing
20// Office of Strategy and Technology
21// Hewlett-Packard Company
22// 1501 Page Mill Road
23// Palo Alto, California 94304
24//
25// Redistributions of source code must retain the above copyright notice,
26// this list of conditions and the following disclaimer. Redistributions
27// in binary form must reproduce the above copyright notice, this list of
28// conditions and the following disclaimer in the documentation and/or
29// other materials provided with the distribution. Neither the name of
30// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
31// contributors may be used to endorse or promote products derived from
32// this software without specific prior written permission. No right of
33// sublicense is granted herewith. Derivatives of the software and
34// output created using the software may be prepared, but only for
35// Non-Commercial Uses. Derivatives of the software may be shared with
36// others provided: (i) the others agree to abide by the list of
37// conditions herein which includes the Non-Commercial Use restrictions;
38// and (ii) such Derivatives of the software include the above copyright
39// notice to acknowledge the contribution from this software where
40// applicable, this list of conditions and the disclaimer below.
41//
42// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53//
54// Authors: Gabe Black
55
56////////////////////////////////////////////////////////////////////
57//
58// Decode the two byte opcodes
59//
600x2: decode OPCODE_PREFIXA {
61 0x0F: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 //0x00: group6();
65 0x00: decode MODRM_REG {
66 0x0: sldt_Mw_or_Rv();
67 0x1: str_Mw_or_Rv();
68 0x2: lldt_Mw_or_Rv();
69 0x3: ltr_Mw_or_Rv();
70 0x4: verr_Mw_or_Rv();
71 0x5: verw_Mw_or_Rv();
72 //0x6: jmpe_Ev(); // IA-64
73 default: Inst::UD2();
74 }
75 //0x01: group7(); // Ugly, ugly, ugly...
76 0x01: decode MODRM_MOD {
77 0x3: decode MODRM_REG {
78 0x0: decode MODRM_RM {
79 0x1: vmcall();
80 0x2: vmlaunch();
81 0x3: vmresume();
82 0x4: vmxoff();
83 default: Inst::UD2();
84 }
85 0x1: decode MODRM_RM {
86 0x0: monitor();
87 0x1: mwait();
88 default: Inst::UD2();
89 }
90 0x3: decode MODRM_RM {
91 0x0: vmrun();
92 0x1: vmmcall();
93 0x2: vmload();
94 0x3: vmsave();
95 0x4: stgi();
96 0x5: clgi();
97 0x6: skinit();
98 0x7: invlpga();
99 }
100 0x4: smsw_Rv();
101 0x6: lmsw_Rv();
102 0x7: decode MODRM_RM {
103 0x0: swapgs();
104 0x1: rdtscp();
105 default: Inst::UD2();
106 }
107 default: Inst::UD2();
108 }
109 default: decode MODRM_REG {
110 0x0: sgdt_Ms();
111 0x1: sidt_Ms();
112 0x2: lgdt_Ms();
113 0x3: lidt_Ms();
114 0x4: smsw_Mw();
115 0x6: lmsw_Mw();
116 0x7: invlpg_M();
117 default: Inst::UD2();
118 }
119 }
120 0x02: lar_Gv_Ew();
121 0x03: lsl_Gv_Ew();
122 //sandpile.org doesn't seem to know what this is... ?
123 0x04: loadall_or_reset_or_hang();
124#if FULL_SYSTEM
125 0x05: syscall();
126#else
127 0x05: SyscallInst::syscall('xc->syscall(rax)', IsSyscall);
128#endif
129 0x06: clts();
130 //sandpile.org says (AMD) after sysret, so I might want to check
131 //if that means amd64 or AMD machines
132 0x07: loadall_or_sysret();
133 }
134 0x01: decode OPCODE_OP_BOTTOM3 {
135 0x0: invd();
136 0x1: wbinvd();
137 0x2: Inst::UD2();
138 0x3: Inst::UD2();
139 0x4: Inst::UD2();
140 0x5: threednow();
141 0x6: threednow();
142 0x7: threednow();
143 }
144 0x02: decode LEGACY_DECODEVAL {
145 // no prefix
146 0x0: decode OPCODE_OP_BOTTOM3 {
147 0x0: movups_Vo_Wo();
148 0x1: movups_Wo_Vo();
149 0x2: decode MODRM_MOD {
150 0x3: movhlps_Vq_VRq();
151 default: movlps_Vq_Mq();
152 }
153 0x3: movlps_Mq_Vq();
154 0x4: unpcklps();
155 0x5: unpckhps();
156 0x6: decode MODRM_MOD {
157 0x3: movlhps_Vq_VRq();
158 default: movhps_Vq_Mq();
159 }
160 0x7: movhps_Mq_Vq();
161 }
162 // repe (0xF3)
163 0x4: decode OPCODE_OP_BOTTOM3 {
164 0x0: movss_Vd_Wd();
165 0x1: movss_Wd_Vd();
166 0x2: movsldup_Vo_Wo();
167 0x6: movshdup_Vo_Wo();
168 default: Inst::UD2();
169 }
170 // operand size (0x66)
171 0x1: decode OPCODE_OP_BOTTOM3 {
172 0x0: movupd_Vo_Wo();
173 0x1: movupd_Wo_Vo();
174 0x2: Inst::MOVLPD(Vq,Mq);
175 0x3: Inst::MOVLPD(Mq,Vq);
176 0x4: unpcklpd_Vo_Wq();
177 0x5: unpckhpd_Vo_Wo();
178 0x6: movhpd_Vq_Mq();
179 0x7: movhpd_Mq_Vq();
180 }
181 // repne (0xF2)
182 0x8: decode OPCODE_OP_BOTTOM3 {
183 0x0: Inst::MOVSD(Vq,Wq);
184 0x1: Inst::MOVSD(Wq,Vq);
185 0x2: movddup_Vo_Wq();
186 default: Inst::UD2();
187 }
188 default: Inst::UD2();
189 }
190 0x03: decode OPCODE_OP_BOTTOM3 {
191 0x0: group17();
192 0x1: group17();
193 0x2: group17();
194 0x3: group17();
195 0x4: group17();
196 0x5: group17();
197 0x6: group17();
198 0x7: group17();
199 }
200 0x04: decode LEGACY_DECODEVAL {
201 // no prefix
202 0x0: decode OPCODE_OP_BOTTOM3 {
203 0x0: mov_Rd_Cd();
204 0x1: mov_Rd_Dd();
205 0x2: mov_Cd_Rd();
206 0x3: mov_Dd_Rd();
207 0x4: mov_Rd_Td();
208 0x6: mov_Td_Rd();
209 default: Inst::UD2();
210 }
211 // lock prefix (0xF0)
212 0x2: decode OPCODE_OP_BOTTOM3 {
213 0x0: mov_Rd_CR8D();
214 0x2: mov_CR8D_Rd();
215 }
216 default: Inst::UD2();
217 }
218 0x05: decode LEGACY_DECODEVAL {
219 // no prefix
220 0x0: decode OPCODE_OP_BOTTOM3 {
221 //These moves should really use size o (octword), but
222 //because they are split in two, they use q (quadword).
223 0x0: Inst::MOVAPS(Vq,Wq);
224 0x1: Inst::MOVAPS(Wq,Vq);
225 0x2: decode MODRM_MOD {
226 0x3: cvtpi2pS_Vq_Pq();
227 default: cvtpi2ps_Vq_Mq();
228 }
229 0x3: movntps_Mo_Vo();
230 0x4: cvttps2pi_Pq_Wq();
231 0x5: cvtpS2pi_Pq_Wq();
232 0x6: ucomiss_Vd_Wd();
233 0x7: comiss_Vd_Wd();
234 }
235 // repe (0xF3)
236 0x4: decode OPCODE_OP_BOTTOM3 {
237 0x2: cvtsi2ss_Vd_Ed();
238 0x4: cvttss2si_Gd_Wd();
239 0x5: cvtss2si_Gd_Wd();
240 default: Inst::UD2();
241 }
242 // operand size (0x66)
243 0x1: decode OPCODE_OP_BOTTOM3 {
244 0x0: movapd_Vo_Wo();
245 0x1: movapd_Wo_Vo();
246 0x2: decode MODRM_MOD {
247 0x3: cvtpi2pd_Vo_Pq();
248 default: cvtpi2pd_Vo_Mq();
249 }
250 0x3: movntpd_Mo_Vo();
251 0x4: cvttpd2pi_Pq_Wo();
252 0x5: cvtpd2pi_Pq_Wo();
253 0x6: Inst::UCOMISD(Vq,Wq);
254 0x7: comisd_Vq_Wq();
255 }
256 // repne (0xF2)
257 0x8: decode OPCODE_OP_BOTTOM3 {
258 // The size of the V operand should be q, not dp
259 0x2: Inst::CVTSI2SD(Vdp,Edp);
260 // The size of the W operand should be q, not dp
261 0x4: Inst::CVTTSD2SI(Gdp,Wdp);
262 0x5: cvtsd2si_Gd_Wq();
263 default: Inst::UD2();
264 }
265 default: Inst::UD2();
266 }
267 0x06: decode OPCODE_OP_BOTTOM3 {
268 0x0: Inst::WRMSR();
269 0x1: rdtsc();
270 0x2: Inst::RDMSR();
271 0x3: rdpmc();
272 0x4: sysenter();
273 0x5: sysexit();
274 0x6: Inst::UD2();
275 0x7: getsec();
276 }
277 0x07: decode OPCODE_OP_BOTTOM3 {
278 0x0: three_byte_opcode();
279 0x1: three_byte_opcode();
280 0x2: three_byte_opcode();
281 0x3: three_byte_opcode();
282 0x4: three_byte_opcode();
283 0x5: three_byte_opcode();
284 0x6: three_byte_opcode();
285 0x7: three_byte_opcode();
286 }
287 format Inst {
288 0x08: decode OPCODE_OP_BOTTOM3 {
289 0x0: CMOVO(Gv,Ev);
290 0x1: CMOVNO(Gv,Ev);
291 0x2: CMOVB(Gv,Ev);
292 0x3: CMOVNB(Gv,Ev);
293 0x4: CMOVZ(Gv,Ev);
294 0x5: CMOVNZ(Gv,Ev);
295 0x6: CMOVBE(Gv,Ev);
296 0x7: CMOVNBE(Gv,Ev);
297 }
298 0x09: decode OPCODE_OP_BOTTOM3 {
299 0x0: CMOVS(Gv,Ev);
300 0x1: CMOVNS(Gv,Ev);
301 0x2: CMOVP(Gv,Ev);
302 0x3: CMOVNP(Gv,Ev);
303 0x4: CMOVL(Gv,Ev);
304 0x5: CMOVNL(Gv,Ev);
305 0x6: CMOVLE(Gv,Ev);
306 0x7: CMOVNLE(Gv,Ev);
307 }
308 }
309 0x0A: decode LEGACY_DECODEVAL {
310 // no prefix
311 0x0: decode OPCODE_OP_BOTTOM3 {
312 0x0: movmskps_Gd_VRo();
313 0x1: sqrtps_Vo_Wo();
314 0x2: rqsrtps_Vo_Wo();
315 0x3: rcpps_Vo_Wo();
316 0x4: andps_Vo_Wo();
317 0x5: andnps_Vo_Wo();
318 0x6: orps_Vo_Wo();
319 0x7: xorps_Vo_Wo();
320 }
321 // repe (0xF3)
322 0x4: decode OPCODE_OP_BOTTOM3 {
323 0x1: sqrtss_Vd_Wd();
324 0x2: rsqrtss_Vd_Wd();
325 0x3: rcpss_Vd_Wd();
326 default: Inst::UD2();
327 }
328 // operand size (0x66)
329 0x1: decode OPCODE_OP_BOTTOM3 {
330 0x0: movmskpd_Gd_VRo();
331 0x1: sqrtpd_Vo_Wo();
332 0x4: andpd_Vo_Wo();
333 0x5: andnpd_Vo_Wo();
334 0x6: orpd_Vo_Wo();
335 //This really should be type o, but it works on q sized
336 //chunks at a time.
337 0x7: Inst::XORPD(Vq,Wq);
338 default: Inst::UD2();
339 }
340 format Inst {
341 // repne (0xF2)
342 0x8: decode OPCODE_OP_BOTTOM3 {
343 0x1: SQRTSD(Vq,Wq);
344 default: UD2();
345 }
346 default: UD2();
347 }
348 }
349 0x0B: decode LEGACY_DECODEVAL {
350 // no prefix
351 0x0: decode OPCODE_OP_BOTTOM3 {
352 0x0: addps_Vo_Wo();
353 0x1: mulps_Vo_Wo();
354 0x2: cvtps2pd_Vo_Wq();
355 0x3: cvtdq2ps_Vo_Wo();
356 0x4: subps_Vo_Wo();
357 0x5: minps_Vo_Wo();
358 0x6: divps_Vo_Wo();
359 0x7: maxps_Vo_Wo();
360 }
361 // repe (0xF3)
362 0x4: decode OPCODE_OP_BOTTOM3 {
363 0x0: addss_Vd_Wd();
364 0x1: mulss_Vd_Wd();
365 0x2: cvtss2sd_Vq_Wd();
366 0x3: cvttps2dq_Vo_Wo();
367 0x4: subss_Vd_Wd();
368 0x5: minss_Vd_Wd();
369 0x6: divss_Vd_Wd();
370 0x7: maxss_Vd_Wd();
371 }
372 // operand size (0x66)
373 0x1: decode OPCODE_OP_BOTTOM3 {
374 0x0: addpd_Vo_Wo();
375 0x1: mulpd_Vo_Wo();
376 0x2: cvtpd2ps_Vo_Wo();
377 0x3: cvtps2dq_Vo_Wo();
378 0x4: subpd_Vo_Wo();
379 0x5: minpd_Vo_Wo();
380 0x6: divpd_Vo_Wo();
381 0x7: maxpd_Vo_Wo();
382 }
383 // repne (0xF2)
384 0x8: decode OPCODE_OP_BOTTOM3 {
385 0x0: Inst::ADDSD(Vq,Wq);
386 0x1: Inst::MULSD(Vq,Wq);
387 0x2: cvtsd2ss_Vd_Wq();
388 0x4: Inst::SUBSD(Vq,Wq);
389 0x5: minsd_Vq_Wq();
390 0x6: Inst::DIVSD(Vq,Wq);
391 0x7: maxsd_Vq_Wq();
392 default: Inst::UD2();
393 }
394 default: Inst::UD2();
395 }
396 0x0C: decode LEGACY_DECODEVAL {
397 // no prefix
398 0x0: decode OPCODE_OP_BOTTOM3 {
399 0x0: punpcklbw_Pq_Qd();
400 0x1: punpcklwd_Pq_Qd();
401 0x2: punpckldq_Pq_Qd();
402 0x3: packsswb_Pq_Qq();
403 0x4: pcmpgtb_Pq_Qq();
404 0x5: pcmpgtw_Pq_Qq();
405 0x6: pcmpgtd_Pq_Qq();
406 0x7: packuswb_Pq_Qq();
407 }
408 // operand size (0x66)
409 0x1: decode OPCODE_OP_BOTTOM3 {
410 0x0: punpcklbw_Vo_Wq();
411 0x1: punpcklwd_Vo_Wq();
412 0x2: punpckldq_Vo_Wq();
413 0x3: packsswb_Vo_Wo();
414 0x4: pcmpgtb_Vo_Wo();
415 0x5: pcmpgtw_Vo_Wo();
416 0x6: pcmpgtd_Vo_Wo();
417 0x7: packuswb_Vo_Wo();
418 }
419 default: Inst::UD2();
420 }
421 0x0D: decode LEGACY_DECODEVAL {
422 // no prefix
423 0x0: decode OPCODE_OP_BOTTOM3 {
424 0x0: punpckhbw_Pq_Qq();
425 0x1: punpckhwd_Pq_Qq();
426 0x2: punpckhdq_Pq_Qq();
427 0x3: packssdw_Pq_Qq();
428 0x6: movd_Pq_Ed();
429 0x7: movq_Pq_Qq();
430 default: Inst::UD2();
431 }
432 // repe (0xF3)
433 0x4: decode OPCODE_OP_BOTTOM3 {
434 0x7: movdqu_Vo_Wo();
435 default: Inst::UD2();
436 }
437 // operand size (0x66)
438 0x1: decode OPCODE_OP_BOTTOM3 {
439 0x0: punpckhbw_Vo_Wo();
440 0x1: punpckhwd_Vo_Wo();
441 0x2: punpckhdq_Vo_Wo();
442 0x3: packssdw_Vo_Wo();
443 0x4: punpcklqdq_Vo_Wq();
444 0x5: punpcklqdq_Vo_Wq();
445 0x6: movd_Vo_Ed();
446 0x7: movdqa_Vo_Wo();
447 }
448 default: Inst::UD2();
449 }
450 0x0E: decode LEGACY_DECODEVAL {
451 // no prefix
452 0x0: decode OPCODE_OP_BOTTOM3 {
453 0x0: pshufw_Pq_Qq_Ib();
454 //0x1: group13_pshimw();
455 0x1: decode MODRM_REG {
456 0x2: decode LEGACY_OP {
457 0x0: psrlw_PRq_Ib();
458 0x1: psrlw_VRo_Ib();
459 }
460 0x4: decode LEGACY_OP {
461 0x0: psraw_PRq_Ib();
462 0x1: psraw_VRo_Ib();
463 }
464 0x6: decode LEGACY_OP {
465 0x0: psllw_PRq_Ib();
466 0x1: psllw_VRo_Ib();
467 }
468 default: Inst::UD2();
469 }
470 //0x2: group14_pshimd();
471 0x2: decode MODRM_REG {
472 0x2: decode LEGACY_OP {
473 0x0: psrld_PRq_Ib();
474 0x1: psrld_VRo_Ib();
475 }
476 0x4: decode LEGACY_OP {
477 0x0: psrad_PRq_Ib();
478 0x1: psrad_VRo_Ib();
479 }
480 0x6: decode LEGACY_OP {
481 0x0: pslld_PRq_Ib();
482 0x1: pslld_VRo_Ib();
483 }
484 default: Inst::UD2();
485 }
486 //0x3: group15_pshimq();
487 0x3: decode MODRM_REG {
488 0x2: decode LEGACY_OP {
489 0x0: psrlq_PRq_Ib();
490 0x1: psrlq_VRo_Ib();
491 }
492 0x3: decode LEGACY_OP {
493 0x0: Inst::UD2();
494 0x1: psrldq_VRo_Ib();
495 }
496 0x6: decode LEGACY_OP {
497 0x0: psllq_PRq_Ib();
498 0x1: psllq_VRo_Ib();
499 }
500 0x7: decode LEGACY_OP {
501 0x0: Inst::UD2();
502 0x1: pslldq_VRo_Ib();
503 }
504 default: Inst::UD2();
505 }
506 0x4: pcmpeqb_Pq_Qq();
507 0x5: pcmpeqw_Pq_Qq();
508 0x6: pcmpeqd_Pq_Qq();
509 0x7: emms();
510 }
511 // repe (0xF3)
512 0x4: decode OPCODE_OP_BOTTOM3 {
513 0x0: pshufhw_Vo_Wo_Ib();
514 default: Inst::UD2();
515 }
516 // operand size (0x66)
517 0x1: decode OPCODE_OP_BOTTOM3 {
518 0x0: pshufd_Vo_Wo_Ib();
519 //0x1: group13_pshimw();
520 0x1: decode MODRM_REG {
521 0x2: decode LEGACY_OP {
522 0x0: psrlw_PRq_Ib();
523 0x1: psrlw_VRo_Ib();
524 }
525 0x4: decode LEGACY_OP {
526 0x0: psraw_PRq_Ib();
527 0x1: psraw_VRo_Ib();
528 }
529 0x6: decode LEGACY_OP {
530 0x0: psllw_PRq_Ib();
531 0x1: psllw_VRo_Ib();
532 }
533 default: Inst::UD2();
534 }
535 //0x2: group14_pshimd();
536 0x2: decode MODRM_REG {
537 0x2: decode LEGACY_OP {
538 0x0: psrld_PRq_Ib();
539 0x1: psrld_VRo_Ib();
540 }
541 0x4: decode LEGACY_OP {
542 0x0: psrad_PRq_Ib();
543 0x1: psrad_VRo_Ib();
544 }
545 0x6: decode LEGACY_OP {
546 0x0: pslld_PRq_Ib();
547 0x1: pslld_VRo_Ib();
548 }
549 default: Inst::UD2();
550 }
551 //0x3: group15_pshimq();
552 0x3: decode MODRM_REG {
553 0x2: decode LEGACY_OP {
554 0x0: psrlq_PRq_Ib();
555 0x1: psrlq_VRo_Ib();
556 }
557 0x3: decode LEGACY_OP {
558 0x0: Inst::UD2();
559 0x1: psrldq_VRo_Ib();
560 }
561 0x6: decode LEGACY_OP {
562 0x0: psllq_PRq_Ib();
563 0x1: psllq_VRo_Ib();
564 }
565 0x7: decode LEGACY_OP {
566 0x0: Inst::UD2();
567 0x1: pslldq_VRo_Ib();
568 }
569 default: Inst::UD2();
570 }
571 0x4: pcmpeqb_Vo_Wo();
572 0x5: pcmpeqw_Vo_Wo();
573 0x6: pcmpeqd_Vo_Wo();
574 default: Inst::UD2();
575 }
576 // repne (0xF2)
577 0x8: decode OPCODE_OP_BOTTOM3 {
578 0x0: pshuflw_Vo_Wo_Ib();
579 default: Inst::UD2();
580 }
581 default: Inst::UD2();
582 }
583 0x0F: decode LEGACY_DECODEVAL {
584 // no prefix
585 0x0: decode OPCODE_OP_BOTTOM3 {
586 0x0: vmread_Ed_or_Eq_Gd_or_Gq();
587 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq();
588 0x6: mov_Ed_Pd();
589 0x7: mov_Qq_Pq();
590 default: Inst::UD2();
591 }
592 // repe (0xF3)
593 0x4: decode OPCODE_OP_BOTTOM3 {
594 0x6: movq_Vo_Mq_or_Vq_Vq();
595 0x7: movdqu_Wo_Vo();
596 default: Inst::UD2();
597 }
598 // operand size (0x66)
599 0x1: decode OPCODE_OP_BOTTOM3 {
600 0x4: haddpd_Vo_Wo();
601 0x5: hsubpd_Vo_Wo();
602 0x6: movd_Ed_Vd();
603 0x7: movdqa_Wo_Vo();
604 default: Inst::UD2();
605 }
606 // repne (0xF2)
607 0x8: decode OPCODE_OP_BOTTOM3 {
608 0x4: haddps_Vo_Wo();
609 0x5: hsubps_Vo_Wo();
610 default: Inst::UD2();
611 }
612 default: Inst::UD2();
613 }
614 format Inst {
615 0x10: decode OPCODE_OP_BOTTOM3 {
616 0x0: JO(Jz);
617 0x1: JNO(Jz);
618 0x2: JB(Jz);
619 0x3: JNB(Jz);
620 0x4: JZ(Jz);
621 0x5: JNZ(Jz);
622 0x6: JBE(Jz);
623 0x7: JNBE(Jz);
624 }
625 0x11: decode OPCODE_OP_BOTTOM3 {
626 0x0: JS(Jz);
627 0x1: JNS(Jz);
628 0x2: JP(Jz);
629 0x3: JNP(Jz);
630 0x4: JL(Jz);
631 0x5: JNL(Jz);
632 0x6: JLE(Jz);
633 0x7: JNLE(Jz);
634 }
635 0x12: decode OPCODE_OP_BOTTOM3 {
636 0x0: SETO(Eb);
637 0x1: SETNO(Eb);
638 0x2: SETB(Eb);
639 0x3: SETNB(Eb);
640 0x4: SETZ(Eb);
641 0x5: SETNZ(Eb);
642 0x6: SETBE(Eb);
643 0x7: SETNBE(Eb);
644 }
645 0x13: decode OPCODE_OP_BOTTOM3 {
646 0x0: SETS(Eb);
647 0x1: SETNS(Eb);
648 0x2: SETP(Eb);
649 0x3: SETNP(Eb);
650 0x4: SETL(Eb);
651 0x5: SETNL(Eb);
652 0x6: SETLE(Eb);
653 0x7: SETNLE(Eb);
654 }
655 }
656 0x14: decode OPCODE_OP_BOTTOM3 {
657 0x0: push_fs();
658 0x1: pop_fs();
659 0x2: Inst::CPUID(rAd);
660 0x3: bt_Ev_Gv();
660 0x3: Inst::BT(Ev,Gv);
661 0x4: shld_Ev_Gv_Ib();
662 0x5: shld_Ev_Gv_rCl();
663 0x6: xbts_and_cmpxchg();
664 0x7: ibts_and_cmpxchg();
665 }
666 0x15: decode OPCODE_OP_BOTTOM3 {
667 0x0: push_gs();
668 0x1: pop_gs();
669 0x2: rsm_smm();
661 0x4: shld_Ev_Gv_Ib();
662 0x5: shld_Ev_Gv_rCl();
663 0x6: xbts_and_cmpxchg();
664 0x7: ibts_and_cmpxchg();
665 }
666 0x15: decode OPCODE_OP_BOTTOM3 {
667 0x0: push_gs();
668 0x1: pop_gs();
669 0x2: rsm_smm();
670 0x3: bts_Ev_Gv();
670 0x3: Inst::BTS(Ev,Gv);
671 0x4: shrd_Ev_Gv_Ib();
672 0x5: shrd_Ev_Gv_rCl();
673 //0x6: group16();
674 0x6: decode MODRM_MOD {
675 0x3: decode MODRM_REG {
676 0x5: lfence();
677 0x6: mfence();
678 0x7: sfence();
679 default: Inst::UD2();
680 }
681 default: decode MODRM_REG {
682 0x0: fxsave();
683 0x1: fxrstor();
684 0x7: clflush();
685 default: Inst::UD2();
686 }
687 }
688 0x7: Inst::IMUL(Gv,Ev);
689 }
690 0x16: decode OPCODE_OP_BOTTOM3 {
691 0x0: Inst::CMPXCHG(Eb,Gb);
692 0x1: Inst::CMPXCHG(Ev,Gv);
693 0x2: lss_Gz_Mp();
671 0x4: shrd_Ev_Gv_Ib();
672 0x5: shrd_Ev_Gv_rCl();
673 //0x6: group16();
674 0x6: decode MODRM_MOD {
675 0x3: decode MODRM_REG {
676 0x5: lfence();
677 0x6: mfence();
678 0x7: sfence();
679 default: Inst::UD2();
680 }
681 default: decode MODRM_REG {
682 0x0: fxsave();
683 0x1: fxrstor();
684 0x7: clflush();
685 default: Inst::UD2();
686 }
687 }
688 0x7: Inst::IMUL(Gv,Ev);
689 }
690 0x16: decode OPCODE_OP_BOTTOM3 {
691 0x0: Inst::CMPXCHG(Eb,Gb);
692 0x1: Inst::CMPXCHG(Ev,Gv);
693 0x2: lss_Gz_Mp();
694 0x3: btr_Ev_Gv();
694 0x3: Inst::BTR(Ev,Gv);
695 0x4: lfs_Gz_Mp();
696 0x5: lgs_Gz_Mp();
697 //The size of the second operand in these instructions should
698 //really be "b" or "w", but it's set to v in order to have a
699 //consistent register size. This shouldn't affect behavior.
700 0x6: Inst::MOVZX_B(Gv,Ev);
701 0x7: Inst::MOVZX_W(Gv,Ev);
702 }
703 0x17: decode OPCODE_OP_BOTTOM3 {
704 0x0: jmpe_Jz(); // IA-64?
695 0x4: lfs_Gz_Mp();
696 0x5: lgs_Gz_Mp();
697 //The size of the second operand in these instructions should
698 //really be "b" or "w", but it's set to v in order to have a
699 //consistent register size. This shouldn't affect behavior.
700 0x6: Inst::MOVZX_B(Gv,Ev);
701 0x7: Inst::MOVZX_W(Gv,Ev);
702 }
703 0x17: decode OPCODE_OP_BOTTOM3 {
704 0x0: jmpe_Jz(); // IA-64?
705 //0x1: group11_UD2();
706 0x1: Inst::UD2();
707 //0x2: group8_Ev_Ib();
708 0x2: decode MODRM_REG {
709 0x4: bt_Ev_Ib();
710 0x5: bts_Ev_Ib();
711 0x6: btr_Ev_Ib();
712 0x7: btc_Ev_Ib();
713 default: Inst::UD2();
705 format Inst {
706 //0x1: group11_UD2();
707 0x1: UD2();
708 //0x2: group8_Ev_Ib();
709 0x2: decode MODRM_REG {
710 0x4: BT(Ev,Ib);
711 0x5: BTS(Ev,Ib);
712 0x6: BTR(Ev,Ib);
713 0x7: BTC(Ev,Ib);
714 default: UD2();
715 }
716 0x3: BTC(Ev,Gv);
714 }
717 }
715 0x3: btc_Ev_Gv();
716 0x4: bsf_Gv_Ev();
717 0x5: bsr_Gv_Ev();
718 //The size of the second operand in these instructions should
719 //really be "b" or "w", but it's set to v in order to have a
720 //consistent register size. This shouldn't affect behavior.
721 0x6: Inst::MOVSX_B(Gv,Ev);
722 0x7: Inst::MOVSX_W(Gv,Ev);
723 }
724 0x18: decode OPCODE_OP_BOTTOM3 {
725 0x0: xadd_Eb_Gb();
726 0x1: xadd_Ev_Gv();
727 //0x7: group9();
728 0x7: decode MODRM_REG {
729 0x1: cmpxchg_Mq();
730 0x6: decode LEGACY_OP {
731 0x1: vmclear_Mq();
732 default: decode LEGACY_REP {
733 0x1: vmxon_Mq();
734 0x0: vmptrld_Mq();
735 }
736 }
737 0x7: vmptrst_Mq();
738 default: Inst::UD2();
739 }
740 default: decode LEGACY_DECODEVAL {
741 // no prefix
742 0x0: decode OPCODE_OP_BOTTOM3 {
743 0x2: cmpccps_Vo_Wo_Ib();
744 0x3: cvtdq2ps_Vo_Wo();
745 0x4: subps_Vo_Wo();
746 0x5: minps_Vo_Wo();
747 0x6: divps_Vo_Wo();
748 }
749 // repe (0xF3)
750 0x4: decode OPCODE_OP_BOTTOM3 {
751 0x2: cmpccss_Vd_Wd_Ib();
752 default: Inst::UD2();
753 }
754 // operand size (0x66)
755 0x1: decode OPCODE_OP_BOTTOM3 {
756 0x2: cmpccpd_Vo_Wo_Ib();
757 0x4: subpd_Vo_Wo();
758 0x5: minpd_Vo_Wo();
759 0x6: divpd_Vo_Wo();
760 default: Inst::UD2();
761 }
762 // repne (0xF2)
763 0x8: decode OPCODE_OP_BOTTOM3 {
764 0x2: cmpccsd_Vq_Wq_Ib();
765 default: Inst::UD2();
766 }
767 default: Inst::UD2();
768 }
769 }
770 0x19: bswap_B();
771 0x1A: decode LEGACY_DECODEVAL {
772 // no prefix
773 0x0: decode OPCODE_OP_BOTTOM3 {
774 0x1: psrlw_Pq_Qq();
775 0x2: psrld_Pq_Qq();
776 0x3: psrlq_Pq_Qq();
777 0x4: paddq_Pq_Qq();
778 0x5: pmullw_Pq_Qq();
779 0x7: pmovmskb_Gd_PRq();
780 default: Inst::UD2();
781 }
782 // repe (0xF3)
783 0x4: decode OPCODE_OP_BOTTOM3 {
784 0x6: movq2dq_Vo_PRq();
785 default: Inst::UD2();
786 }
787 // operand size (0x66)
788 0x1: decode OPCODE_OP_BOTTOM3 {
789 0x0: addsubpd_Vo_Wo();
790 0x1: psrlw_Vo_Wo();
791 0x2: psrld_Vo_Wo();
792 0x3: psrlq_Vo_Wo();
793 0x4: paddq_Vo_Wo();
794 0x5: pmullw_Vo_Wo();
795 0x6: decode MODRM_MOD {
796 0x3: movq_Vq_Vq();
797 default: movq_Mq_Vq();
798 }
799 0x7: pmovmskb_Gd_VRo();
800 }
801 // repne (0xF2)
802 0x8: decode OPCODE_OP_BOTTOM3 {
803 0x0: addsubps_Vo_Wo();
804 0x6: movdq2q_Pq_VRq();
805 default: Inst::UD2();
806 }
807 default: Inst::UD2();
808 }
809 0x1B: decode LEGACY_DECODEVAL {
810 // no prefix
811 0x0: decode OPCODE_OP_BOTTOM3 {
812 0x0: psubusb_Pq_Qq();
813 0x1: psubusw_Pq_Qq();
814 0x2: pminub_Pq_Qq();
815 0x3: pand_Pq_Qq();
816 0x4: paddusb_Pq_Qq();
817 0x5: paddusw_Pq_Qq();
818 0x6: pmaxub_Pq_Qq();
819 0x7: pandn_Pq_Qq();
820 }
821 // operand size (0x66)
822 0x1: decode OPCODE_OP_BOTTOM3 {
823 0x0: psubusb_Vo_Wo();
824 0x1: psubusw_Vo_Wo();
825 0x2: pminub_Vo_Wo();
826 0x3: pand_Vo_Wo();
827 0x4: paddusb_Vo_Wo();
828 0x5: paddusw_Vo_Wo();
829 0x6: pmaxub_Vo_Wo();
830 0x7: pandn_Vo_Wo();
831 }
832 default: Inst::UD2();
833 }
834 0x1C: decode LEGACY_DECODEVAL {
835 // no prefix
836 0x0: decode OPCODE_OP_BOTTOM3 {
837 0x0: pavgb_Pq_Qq();
838 0x1: psraw_Pq_Qq();
839 0x2: psrad_Pq_Qq();
840 0x3: pavgw_Pq_Qq();
841 0x4: pmulhuw_Pq_Qq();
842 0x5: pmulhw_Pq_Qq();
843 0x7: movntq_Mq_Pq();
844 default: Inst::UD2();
845 }
846 // repe (0xF3)
847 0x4: decode OPCODE_OP_BOTTOM3 {
848 0x6: cvtdq2pd_Vo_Wq();
849 default: Inst::UD2();
850 }
851 // operand size (0x66)
852 0x1: decode OPCODE_OP_BOTTOM3 {
853 0x0: pavgb_Vo_Wo();
854 0x1: psraw_Vo_Wo();
855 0x2: psrad_Vo_Wo();
856 0x3: pavgw_Vo_Wo();
857 0x4: pmulhuw_Vo_Wo();
858 0x5: pmulhw_Vo_Wo();
859 0x6: cvttpd2dq_Vo_Wo();
860 0x7: movntdq_Mo_Vo();
861 }
862 // repne (0xF2)
863 0x8: decode OPCODE_OP_BOTTOM3 {
864 0x6: cvtpd2dq_Vo_Wo();
865 default: Inst::UD2();
866 }
867 default: Inst::UD2();
868 }
869 0x1D: decode LEGACY_DECODEVAL {
870 // no prefix
871 0x0: decode OPCODE_OP_BOTTOM3 {
872 0x0: psubsb_Pq_Qq();
873 0x1: psubsw_Pq_Qq();
874 0x2: pminsw_Pq_Qq();
875 0x3: por_Pq_Qq();
876 0x4: paddsb_Pq_Qq();
877 0x5: paddsw_Pq_Qq();
878 0x6: pmaxsw_Pq_Qq();
879 0x7: pxor_Pq_Qq();
880 }
881 // operand size (0x66)
882 0x1: decode OPCODE_OP_BOTTOM3 {
883 0x0: psubsb_Vo_Wo();
884 0x1: psubsw_Vo_Wo();
885 0x2: pminsw_Vo_Wo();
886 0x3: por_Vo_Wo();
887 0x4: paddsb_Vo_Wo();
888 0x5: paddsw_Vo_Wo();
889 0x6: pmaxsw_Vo_Wo();
890 0x7: pxor_Vo_Wo();
891 }
892 default: Inst::UD2();
893 }
894 0x1E: decode OPCODE_OP_BOTTOM3 {
895 // no prefix
896 0x0: decode OPCODE_OP_BOTTOM3 {
897 0x1: psllw_Pq_Qq();
898 0x2: pslld_Pq_Qq();
899 0x3: psllq_Pq_Qq();
900 0x4: pmuludq_Pq_Qq();
901 0x5: pmaddwd_Pq_Qq();
902 0x6: psadbw_Pq_Qq();
903 0x7: maskmovq_Pq_PRq();
904 default: Inst::UD2();
905 }
906 // operand size (0x66)
907 0x1: decode OPCODE_OP_BOTTOM3 {
908 0x1: psllw_Vo_Wo();
909 0x2: pslld_Vo_Wo();
910 0x3: psllq_Vo_Wo();
911 0x4: pmuludq_Vo_Wo();
912 0x5: pmaddwd_Vo_Wo();
913 0x6: psadbw_Vo_Wo();
914 0x7: maskmovdqu_Vo_VRo();
915 default: Inst::UD2();
916 }
917 // repne (0xF2)
918 0x8: decode OPCODE_OP_BOTTOM3 {
919 0x0: lddqu_Vo_Mo();
920 default: Inst::UD2();
921 }
922 default: Inst::UD2();
923 }
924 0x1F: decode LEGACY_DECODEVAL {
925 // no prefix
926 0x0: decode OPCODE_OP_BOTTOM3 {
927 0x0: psubb_Pq_Qq();
928 0x1: psubw_Pq_Qq();
929 0x2: psubd_Pq_Qq();
930 0x3: psubq_Pq_Qq();
931 0x4: paddb_Pq_Qq();
932 0x5: paddw_Pq_Qq();
933 0x6: paddd_Pq_Qq();
934 0x7: Inst::UD2();
935 }
936 // operand size (0x66)
937 0x1: decode OPCODE_OP_BOTTOM3 {
938 0x0: psubb_Vo_Wo();
939 0x1: psubw_Vo_Wo();
940 0x2: psubd_Vo_Wo();
941 0x3: psubq_Vo_Wo();
942 0x4: paddb_Vo_Wo();
943 0x5: paddw_Vo_Wo();
944 0x6: paddd_Vo_Wo();
945 0x7: Inst::UD2();
946 }
947 default: Inst::UD2();
948 }
949 default: FailUnimpl::twoByteOps();
950 }
951 }
952 default: M5InternalError::error(
953 {{"Unexpected first opcode byte in two byte opcode!"}});
954}
718 0x4: bsf_Gv_Ev();
719 0x5: bsr_Gv_Ev();
720 //The size of the second operand in these instructions should
721 //really be "b" or "w", but it's set to v in order to have a
722 //consistent register size. This shouldn't affect behavior.
723 0x6: Inst::MOVSX_B(Gv,Ev);
724 0x7: Inst::MOVSX_W(Gv,Ev);
725 }
726 0x18: decode OPCODE_OP_BOTTOM3 {
727 0x0: xadd_Eb_Gb();
728 0x1: xadd_Ev_Gv();
729 //0x7: group9();
730 0x7: decode MODRM_REG {
731 0x1: cmpxchg_Mq();
732 0x6: decode LEGACY_OP {
733 0x1: vmclear_Mq();
734 default: decode LEGACY_REP {
735 0x1: vmxon_Mq();
736 0x0: vmptrld_Mq();
737 }
738 }
739 0x7: vmptrst_Mq();
740 default: Inst::UD2();
741 }
742 default: decode LEGACY_DECODEVAL {
743 // no prefix
744 0x0: decode OPCODE_OP_BOTTOM3 {
745 0x2: cmpccps_Vo_Wo_Ib();
746 0x3: cvtdq2ps_Vo_Wo();
747 0x4: subps_Vo_Wo();
748 0x5: minps_Vo_Wo();
749 0x6: divps_Vo_Wo();
750 }
751 // repe (0xF3)
752 0x4: decode OPCODE_OP_BOTTOM3 {
753 0x2: cmpccss_Vd_Wd_Ib();
754 default: Inst::UD2();
755 }
756 // operand size (0x66)
757 0x1: decode OPCODE_OP_BOTTOM3 {
758 0x2: cmpccpd_Vo_Wo_Ib();
759 0x4: subpd_Vo_Wo();
760 0x5: minpd_Vo_Wo();
761 0x6: divpd_Vo_Wo();
762 default: Inst::UD2();
763 }
764 // repne (0xF2)
765 0x8: decode OPCODE_OP_BOTTOM3 {
766 0x2: cmpccsd_Vq_Wq_Ib();
767 default: Inst::UD2();
768 }
769 default: Inst::UD2();
770 }
771 }
772 0x19: bswap_B();
773 0x1A: decode LEGACY_DECODEVAL {
774 // no prefix
775 0x0: decode OPCODE_OP_BOTTOM3 {
776 0x1: psrlw_Pq_Qq();
777 0x2: psrld_Pq_Qq();
778 0x3: psrlq_Pq_Qq();
779 0x4: paddq_Pq_Qq();
780 0x5: pmullw_Pq_Qq();
781 0x7: pmovmskb_Gd_PRq();
782 default: Inst::UD2();
783 }
784 // repe (0xF3)
785 0x4: decode OPCODE_OP_BOTTOM3 {
786 0x6: movq2dq_Vo_PRq();
787 default: Inst::UD2();
788 }
789 // operand size (0x66)
790 0x1: decode OPCODE_OP_BOTTOM3 {
791 0x0: addsubpd_Vo_Wo();
792 0x1: psrlw_Vo_Wo();
793 0x2: psrld_Vo_Wo();
794 0x3: psrlq_Vo_Wo();
795 0x4: paddq_Vo_Wo();
796 0x5: pmullw_Vo_Wo();
797 0x6: decode MODRM_MOD {
798 0x3: movq_Vq_Vq();
799 default: movq_Mq_Vq();
800 }
801 0x7: pmovmskb_Gd_VRo();
802 }
803 // repne (0xF2)
804 0x8: decode OPCODE_OP_BOTTOM3 {
805 0x0: addsubps_Vo_Wo();
806 0x6: movdq2q_Pq_VRq();
807 default: Inst::UD2();
808 }
809 default: Inst::UD2();
810 }
811 0x1B: decode LEGACY_DECODEVAL {
812 // no prefix
813 0x0: decode OPCODE_OP_BOTTOM3 {
814 0x0: psubusb_Pq_Qq();
815 0x1: psubusw_Pq_Qq();
816 0x2: pminub_Pq_Qq();
817 0x3: pand_Pq_Qq();
818 0x4: paddusb_Pq_Qq();
819 0x5: paddusw_Pq_Qq();
820 0x6: pmaxub_Pq_Qq();
821 0x7: pandn_Pq_Qq();
822 }
823 // operand size (0x66)
824 0x1: decode OPCODE_OP_BOTTOM3 {
825 0x0: psubusb_Vo_Wo();
826 0x1: psubusw_Vo_Wo();
827 0x2: pminub_Vo_Wo();
828 0x3: pand_Vo_Wo();
829 0x4: paddusb_Vo_Wo();
830 0x5: paddusw_Vo_Wo();
831 0x6: pmaxub_Vo_Wo();
832 0x7: pandn_Vo_Wo();
833 }
834 default: Inst::UD2();
835 }
836 0x1C: decode LEGACY_DECODEVAL {
837 // no prefix
838 0x0: decode OPCODE_OP_BOTTOM3 {
839 0x0: pavgb_Pq_Qq();
840 0x1: psraw_Pq_Qq();
841 0x2: psrad_Pq_Qq();
842 0x3: pavgw_Pq_Qq();
843 0x4: pmulhuw_Pq_Qq();
844 0x5: pmulhw_Pq_Qq();
845 0x7: movntq_Mq_Pq();
846 default: Inst::UD2();
847 }
848 // repe (0xF3)
849 0x4: decode OPCODE_OP_BOTTOM3 {
850 0x6: cvtdq2pd_Vo_Wq();
851 default: Inst::UD2();
852 }
853 // operand size (0x66)
854 0x1: decode OPCODE_OP_BOTTOM3 {
855 0x0: pavgb_Vo_Wo();
856 0x1: psraw_Vo_Wo();
857 0x2: psrad_Vo_Wo();
858 0x3: pavgw_Vo_Wo();
859 0x4: pmulhuw_Vo_Wo();
860 0x5: pmulhw_Vo_Wo();
861 0x6: cvttpd2dq_Vo_Wo();
862 0x7: movntdq_Mo_Vo();
863 }
864 // repne (0xF2)
865 0x8: decode OPCODE_OP_BOTTOM3 {
866 0x6: cvtpd2dq_Vo_Wo();
867 default: Inst::UD2();
868 }
869 default: Inst::UD2();
870 }
871 0x1D: decode LEGACY_DECODEVAL {
872 // no prefix
873 0x0: decode OPCODE_OP_BOTTOM3 {
874 0x0: psubsb_Pq_Qq();
875 0x1: psubsw_Pq_Qq();
876 0x2: pminsw_Pq_Qq();
877 0x3: por_Pq_Qq();
878 0x4: paddsb_Pq_Qq();
879 0x5: paddsw_Pq_Qq();
880 0x6: pmaxsw_Pq_Qq();
881 0x7: pxor_Pq_Qq();
882 }
883 // operand size (0x66)
884 0x1: decode OPCODE_OP_BOTTOM3 {
885 0x0: psubsb_Vo_Wo();
886 0x1: psubsw_Vo_Wo();
887 0x2: pminsw_Vo_Wo();
888 0x3: por_Vo_Wo();
889 0x4: paddsb_Vo_Wo();
890 0x5: paddsw_Vo_Wo();
891 0x6: pmaxsw_Vo_Wo();
892 0x7: pxor_Vo_Wo();
893 }
894 default: Inst::UD2();
895 }
896 0x1E: decode OPCODE_OP_BOTTOM3 {
897 // no prefix
898 0x0: decode OPCODE_OP_BOTTOM3 {
899 0x1: psllw_Pq_Qq();
900 0x2: pslld_Pq_Qq();
901 0x3: psllq_Pq_Qq();
902 0x4: pmuludq_Pq_Qq();
903 0x5: pmaddwd_Pq_Qq();
904 0x6: psadbw_Pq_Qq();
905 0x7: maskmovq_Pq_PRq();
906 default: Inst::UD2();
907 }
908 // operand size (0x66)
909 0x1: decode OPCODE_OP_BOTTOM3 {
910 0x1: psllw_Vo_Wo();
911 0x2: pslld_Vo_Wo();
912 0x3: psllq_Vo_Wo();
913 0x4: pmuludq_Vo_Wo();
914 0x5: pmaddwd_Vo_Wo();
915 0x6: psadbw_Vo_Wo();
916 0x7: maskmovdqu_Vo_VRo();
917 default: Inst::UD2();
918 }
919 // repne (0xF2)
920 0x8: decode OPCODE_OP_BOTTOM3 {
921 0x0: lddqu_Vo_Mo();
922 default: Inst::UD2();
923 }
924 default: Inst::UD2();
925 }
926 0x1F: decode LEGACY_DECODEVAL {
927 // no prefix
928 0x0: decode OPCODE_OP_BOTTOM3 {
929 0x0: psubb_Pq_Qq();
930 0x1: psubw_Pq_Qq();
931 0x2: psubd_Pq_Qq();
932 0x3: psubq_Pq_Qq();
933 0x4: paddb_Pq_Qq();
934 0x5: paddw_Pq_Qq();
935 0x6: paddd_Pq_Qq();
936 0x7: Inst::UD2();
937 }
938 // operand size (0x66)
939 0x1: decode OPCODE_OP_BOTTOM3 {
940 0x0: psubb_Vo_Wo();
941 0x1: psubw_Vo_Wo();
942 0x2: psubd_Vo_Wo();
943 0x3: psubq_Vo_Wo();
944 0x4: paddb_Vo_Wo();
945 0x5: paddw_Vo_Wo();
946 0x6: paddd_Vo_Wo();
947 0x7: Inst::UD2();
948 }
949 default: Inst::UD2();
950 }
951 default: FailUnimpl::twoByteOps();
952 }
953 }
954 default: M5InternalError::error(
955 {{"Unexpected first opcode byte in two byte opcode!"}});
956}