two_byte_opcodes.isa (7720:65d338a8dba4) two_byte_opcodes.isa (7789:f455790bcd47)
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//
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//
450x2: decode OPCODE_PREFIXA {
46 0x0F: decode OPCODE_OP_TOP5 {
47 format WarnUnimpl {
48 0x00: decode OPCODE_OP_BOTTOM3 {
49 //0x00: group6();
50 0x00: decode MODRM_REG {
51 0x0: sldt_Mw_or_Rv();
52 0x1: str_Mw_or_Rv();
53 0x2: Inst::LLDT(Ew);
54 0x3: Inst::LTR(Ew);
55 0x4: verr_Mw_or_Rv();
56 0x5: verw_Mw_or_Rv();
57 //0x6: jmpe_Ev(); // IA-64
58 default: Inst::UD2();
59 }
60 //0x01: group7(); // Ugly, ugly, ugly...
61 0x01: decode MODRM_REG {
62 0x0: decode MODRM_MOD {
63 0x3: decode MODRM_RM {
64 0x1: vmcall();
65 0x2: vmlaunch();
66 0x3: vmresume();
67 0x4: vmxoff();
68 default: Inst::UD2();
69 }
70 default: sgdt_Ms();
71 }
72 0x1: decode MODRM_MOD {
73 0x3: decode MODRM_RM {
74 0x0: monitor();
75 0x1: mwait();
76 default: Inst::UD2();
77 }
78 default: sidt_Ms();
79 }
80 0x2: decode MODRM_MOD {
81 0x3: decode MODRM_RM {
82 0x0: xgetbv();
83 0x1: xsetbv();
84 }
85 default: decode MODE_SUBMODE {
86 0x0: Inst::LGDT(M);
87 default: decode OPSIZE {
88 // 16 bit operand sizes are special, but only
89 // in legacy and compatability modes.
90 0x2: Inst::LGDT_16(M);
91 default: Inst::LGDT(M);
92 }
93 }
94 }
95 0x3: decode MODRM_MOD {
96 0x3: decode MODRM_RM {
97 0x0: vmrun();
98 0x1: vmmcall();
99 0x2: vmload();
100 0x3: vmsave();
101 0x4: stgi();
102 0x5: clgi();
103 0x6: skinit();
104 0x7: invlpga();
105 }
106 default: decode MODE_SUBMODE {
107 0x0: Inst::LIDT(M);
108 default: decode OPSIZE {
109 // 16 bit operand sizes are special, but only
110 // in legacy and compatability modes.
111 0x2: Inst::LIDT_16(M);
112 default: Inst::LIDT(M);
113 }
114 }
115 }
116 0x4: decode MODRM_MOD {
117 0x3: Inst::SMSW(Rv);
118 default: Inst::SMSW(Mw);
119 }
120 0x6: Inst::LMSW(Ew);
121 0x7: decode MODRM_MOD {
122 0x3: decode MODRM_RM {
123 0x0: Inst::SWAPGS();
124 0x1: rdtscp();
125 default: Inst::UD2();
126 }
127 default: Inst::INVLPG(M);
128 }
129 }
130 0x02: lar_Gv_Ew();
131 0x03: lsl_Gv_Ew();
132 // sandpile.org doesn't seem to know what this is...? We'll
133 // use it for pseudo instructions. We've got 16 bits of space
134 // to play with so there can be quite a few pseudo
135 // instructions.
136 //0x04: loadall_or_reset_or_hang();
137 0x4: decode IMMEDIATE {
138 format BasicOperate {
139#if FULL_SYSTEM
140 0x00: m5arm({{
141 PseudoInst::arm(xc->tcBase());
142 }}, IsNonSpeculative);
143 0x01: m5quiesce({{
144 PseudoInst::quiesce(xc->tcBase());
145 }}, IsNonSpeculative);
146 0x02: m5quiesceNs({{
147 PseudoInst::quiesceNs(xc->tcBase(), Rdi);
148 }}, IsNonSpeculative);
149 0x03: m5quiesceCycle({{
150 PseudoInst::quiesceCycles(xc->tcBase(), Rdi);
151 }}, IsNonSpeculative);
152 0x04: m5quiesceTime({{
153 Rax = PseudoInst::quiesceTime(xc->tcBase());
154 }}, IsNonSpeculative);
155#endif
156 0x07: m5rpns({{
157 Rax = PseudoInst::rpns(xc->tcBase());
158 }}, IsNonSpeculative);
159 0x21: m5exit({{
160 PseudoInst::m5exit(xc->tcBase(), Rdi);
161 }}, IsNonSpeculative);
162#if FULL_SYSTEM
163 0x30: m5initparam({{
164 Rax = xc->tcBase()->getCpuPtr()->
165 system->init_param;
166 }}, IsNonSpeculative);
167 0x31: m5loadsymbol({{
168 PseudoInst::loadsymbol(xc->tcBase());
169 }}, IsNonSpeculative);
170#endif
171 0x40: m5resetstats({{
172 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi);
173 }}, IsNonSpeculative);
174 0x41: m5dumpstats({{
175 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi);
176 }}, IsNonSpeculative);
177 0x42: m5dumpresetstats({{
178 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi);
179 }}, IsNonSpeculative);
180 0x43: m5checkpoint({{
181 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi);
182 }}, IsNonSpeculative);
183#if FULL_SYSTEM
184 0x50: m5readfile({{
185 Rax = PseudoInst::readfile(
186 xc->tcBase(), Rdi, Rsi, Rdx);
187 }}, IsNonSpeculative);
188#endif
189 0x51: m5debugbreak({{
190 PseudoInst::debugbreak(xc->tcBase());
191 }}, IsNonSpeculative);
192 0x52: m5switchcpu({{
193 PseudoInst::switchcpu(xc->tcBase());
194 }}, IsNonSpeculative);
195#if FULL_SYSTEM
196 0x53: m5addsymbol({{
197 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi);
198 }}, IsNonSpeculative);
199#endif
200 0x54: m5panic({{
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//
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//
450x2: decode OPCODE_PREFIXA {
46 0x0F: decode OPCODE_OP_TOP5 {
47 format WarnUnimpl {
48 0x00: decode OPCODE_OP_BOTTOM3 {
49 //0x00: group6();
50 0x00: decode MODRM_REG {
51 0x0: sldt_Mw_or_Rv();
52 0x1: str_Mw_or_Rv();
53 0x2: Inst::LLDT(Ew);
54 0x3: Inst::LTR(Ew);
55 0x4: verr_Mw_or_Rv();
56 0x5: verw_Mw_or_Rv();
57 //0x6: jmpe_Ev(); // IA-64
58 default: Inst::UD2();
59 }
60 //0x01: group7(); // Ugly, ugly, ugly...
61 0x01: decode MODRM_REG {
62 0x0: decode MODRM_MOD {
63 0x3: decode MODRM_RM {
64 0x1: vmcall();
65 0x2: vmlaunch();
66 0x3: vmresume();
67 0x4: vmxoff();
68 default: Inst::UD2();
69 }
70 default: sgdt_Ms();
71 }
72 0x1: decode MODRM_MOD {
73 0x3: decode MODRM_RM {
74 0x0: monitor();
75 0x1: mwait();
76 default: Inst::UD2();
77 }
78 default: sidt_Ms();
79 }
80 0x2: decode MODRM_MOD {
81 0x3: decode MODRM_RM {
82 0x0: xgetbv();
83 0x1: xsetbv();
84 }
85 default: decode MODE_SUBMODE {
86 0x0: Inst::LGDT(M);
87 default: decode OPSIZE {
88 // 16 bit operand sizes are special, but only
89 // in legacy and compatability modes.
90 0x2: Inst::LGDT_16(M);
91 default: Inst::LGDT(M);
92 }
93 }
94 }
95 0x3: decode MODRM_MOD {
96 0x3: decode MODRM_RM {
97 0x0: vmrun();
98 0x1: vmmcall();
99 0x2: vmload();
100 0x3: vmsave();
101 0x4: stgi();
102 0x5: clgi();
103 0x6: skinit();
104 0x7: invlpga();
105 }
106 default: decode MODE_SUBMODE {
107 0x0: Inst::LIDT(M);
108 default: decode OPSIZE {
109 // 16 bit operand sizes are special, but only
110 // in legacy and compatability modes.
111 0x2: Inst::LIDT_16(M);
112 default: Inst::LIDT(M);
113 }
114 }
115 }
116 0x4: decode MODRM_MOD {
117 0x3: Inst::SMSW(Rv);
118 default: Inst::SMSW(Mw);
119 }
120 0x6: Inst::LMSW(Ew);
121 0x7: decode MODRM_MOD {
122 0x3: decode MODRM_RM {
123 0x0: Inst::SWAPGS();
124 0x1: rdtscp();
125 default: Inst::UD2();
126 }
127 default: Inst::INVLPG(M);
128 }
129 }
130 0x02: lar_Gv_Ew();
131 0x03: lsl_Gv_Ew();
132 // sandpile.org doesn't seem to know what this is...? We'll
133 // use it for pseudo instructions. We've got 16 bits of space
134 // to play with so there can be quite a few pseudo
135 // instructions.
136 //0x04: loadall_or_reset_or_hang();
137 0x4: decode IMMEDIATE {
138 format BasicOperate {
139#if FULL_SYSTEM
140 0x00: m5arm({{
141 PseudoInst::arm(xc->tcBase());
142 }}, IsNonSpeculative);
143 0x01: m5quiesce({{
144 PseudoInst::quiesce(xc->tcBase());
145 }}, IsNonSpeculative);
146 0x02: m5quiesceNs({{
147 PseudoInst::quiesceNs(xc->tcBase(), Rdi);
148 }}, IsNonSpeculative);
149 0x03: m5quiesceCycle({{
150 PseudoInst::quiesceCycles(xc->tcBase(), Rdi);
151 }}, IsNonSpeculative);
152 0x04: m5quiesceTime({{
153 Rax = PseudoInst::quiesceTime(xc->tcBase());
154 }}, IsNonSpeculative);
155#endif
156 0x07: m5rpns({{
157 Rax = PseudoInst::rpns(xc->tcBase());
158 }}, IsNonSpeculative);
159 0x21: m5exit({{
160 PseudoInst::m5exit(xc->tcBase(), Rdi);
161 }}, IsNonSpeculative);
162#if FULL_SYSTEM
163 0x30: m5initparam({{
164 Rax = xc->tcBase()->getCpuPtr()->
165 system->init_param;
166 }}, IsNonSpeculative);
167 0x31: m5loadsymbol({{
168 PseudoInst::loadsymbol(xc->tcBase());
169 }}, IsNonSpeculative);
170#endif
171 0x40: m5resetstats({{
172 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi);
173 }}, IsNonSpeculative);
174 0x41: m5dumpstats({{
175 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi);
176 }}, IsNonSpeculative);
177 0x42: m5dumpresetstats({{
178 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi);
179 }}, IsNonSpeculative);
180 0x43: m5checkpoint({{
181 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi);
182 }}, IsNonSpeculative);
183#if FULL_SYSTEM
184 0x50: m5readfile({{
185 Rax = PseudoInst::readfile(
186 xc->tcBase(), Rdi, Rsi, Rdx);
187 }}, IsNonSpeculative);
188#endif
189 0x51: m5debugbreak({{
190 PseudoInst::debugbreak(xc->tcBase());
191 }}, IsNonSpeculative);
192 0x52: m5switchcpu({{
193 PseudoInst::switchcpu(xc->tcBase());
194 }}, IsNonSpeculative);
195#if FULL_SYSTEM
196 0x53: m5addsymbol({{
197 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi);
198 }}, IsNonSpeculative);
199#endif
200 0x54: m5panic({{
201 panic("M5 panic instruction called at pc=%#x.\n",
202 xc->pcState().pc());
201 panic("M5 panic instruction called at pc = %#x.\n",
202 RIP);
203 }}, IsNonSpeculative);
204 0x55: m5reserved1({{
205 warn("M5 reserved opcode 1 ignored.\n");
206 }}, IsNonSpeculative);
207 0x56: m5reserved2({{
208 warn("M5 reserved opcode 2 ignored.\n");
209 }}, IsNonSpeculative);
210 0x57: m5reserved3({{
211 warn("M5 reserved opcode 3 ignored.\n");
212 }}, IsNonSpeculative);
213 0x58: m5reserved4({{
214 warn("M5 reserved opcode 4 ignored.\n");
215 }}, IsNonSpeculative);
216 0x59: m5reserved5({{
217 warn("M5 reserved opcode 5 ignored.\n");
218 }}, IsNonSpeculative);
219 default: Inst::UD2();
220 }
221 }
222#if FULL_SYSTEM
223 0x05: decode MODE_MODE {
224 0x0: decode MODE_SUBMODE {
225 0x0: Inst::SYSCALL_64();
226 0x1: Inst::SYSCALL_COMPAT();
227 }
228 0x1: Inst::SYSCALL_LEGACY();
229 }
230#else
231 0x05: SyscallInst::syscall('xc->syscall(Rax)',
232 IsSyscall, IsNonSpeculative, IsSerializeAfter);
233#endif
234 0x06: Inst::CLTS();
235 0x07: decode MODE_SUBMODE {
236 0x0: decode OPSIZE {
237 // Return to 64 bit mode.
238 0x8: Inst::SYSRET_TO_64();
239 // Return to compatibility mode.
240 default: Inst::SYSRET_TO_COMPAT();
241 }
242 default: Inst::SYSRET_NON_64();
243 }
244 }
245 0x01: decode OPCODE_OP_BOTTOM3 {
246 0x0: invd();
247 0x1: wbinvd();
248 0x2: Inst::UD2();
249 0x3: Inst::UD2();
250 0x4: Inst::UD2();
251 0x5: Inst::PREFETCH(Mb);
252 0x6: FailUnimpl::femms();
253 0x7: decode IMMEDIATE {
254 0x0C: pi2fw_Pq_Qq();
255 0x0D: pi2fd_Pq_Qq();
256 0x1C: pf2iw_Pq_Qq();
257 0x1D: pf2id_Pq_Qq();
258 0x8A: pfnacc_Pq_Qq();
259 0x8E: pfpnacc_Pq_Qq();
260 0x90: pfcmpge_Pq_Qq();
261 0x94: pfmin_Pq_Qq();
262 0x96: pfrcp_Pq_Qq();
263 0x97: pfrsqrt_Pq_Qq();
264 0x9A: Inst::PFSUB(Pq,Qq);
265 0x9E: pfadd_Pq_Qq();
266 0xA0: pfcmpgt_Pq_Qq();
267 0xA4: pfmax_Pq_Qq();
268 0xA6: pfrcpit1_Pq_Qq();
269 0xA7: pfrsqit1_Pq_Qq();
270 0xAA: Inst::PFSUBR(Pq,Qq);
271 0xAE: pfacc_Pq_Qq();
272 0xB0: pfcmpeq_Pq_Qq();
273 0xB4: Inst::PFMUL(Pq,Qq);
274 0xB6: pfrcpit2_Pq_Qq();
275 0xB7: Inst::PMULHRW(Pq,Qq);
276 0xBB: pswapd_Pq_Qq();
277 0xBF: pavgusb_Pq_Qq();
278 default: Inst::UD2();
279 }
280 }
281 format Inst{
282 0x02: decode LEGACY_DECODEVAL {
283 // no prefix
284 0x0: decode OPCODE_OP_BOTTOM3 {
285 0x0: MOVUPS(Vo,Wo);
286 0x1: MOVUPS(Wo,Vo);
287 0x2: decode MODRM_MOD {
288 0x3: MOVHLPS(Vps,VRq);
289 default: MOVLPS(Vps,Mq);
290 }
291 0x3: MOVLPS(Mq,Vps);
292 0x4: UNPCKLPS(Vps,Wq);
293 0x5: UNPCKHPS(Vps,Wq);
294 0x6: decode MODRM_MOD {
295 0x3: MOVLHPS(Vps,VRq);
296 default: MOVHPS(Vps,Mq);
297 }
298 0x7: MOVHPS(Mq,Vq);
299 }
300 // repe (0xF3)
301 0x4: decode OPCODE_OP_BOTTOM3 {
302 0x0: MOVSS(Vd,Wd);
303 0x1: MOVSS(Wd,Vd);
304 0x2: WarnUnimpl::movsldup_Vo_Wo();
305 0x6: WarnUnimpl::movshdup_Vo_Wo();
306 default: UD2();
307 }
308 // operand size (0x66)
309 0x1: decode OPCODE_OP_BOTTOM3 {
310 0x0: MOVUPD(Vo,Wo);
311 0x1: MOVUPD(Wo,Vo);
312 0x2: MOVLPD(Vq,Mq);
313 0x3: MOVLPD(Mq,Vq);
314 0x4: UNPCKLPD(Vo,Wq);
315 0x5: UNPCKHPD(Vo,Wo);
316 0x6: MOVHPD(Vq,Mq);
317 0x7: MOVHPD(Mq,Vq);
318 }
319 // repne (0xF2)
320 0x8: decode OPCODE_OP_BOTTOM3 {
321 0x0: MOVSD(Vq,Wq);
322 0x1: MOVSD(Wq,Vq);
323 0x2: MOVDDUP(Vo,Wq);
324 default: UD2();
325 }
326 default: UD2();
327 }
328 0x03: decode OPCODE_OP_BOTTOM3 {
329 //group16();
330 0x0: decode MODRM_REG {
331 0x0: WarnUnimpl::prefetch_nta();
332 0x1: PREFETCH_T0(Mb);
333 0x2: WarnUnimpl::prefetch_t1();
334 0x3: WarnUnimpl::prefetch_t2();
335 default: HINT_NOP();
336 }
337 0x1: HINT_NOP();
338 0x2: HINT_NOP();
339 0x3: HINT_NOP();
340 0x4: HINT_NOP();
341 0x5: HINT_NOP();
342 0x6: HINT_NOP();
343 0x7: HINT_NOP();
344 }
345 0x04: decode LEGACY_DECODEVAL {
346 // no prefix
347 0x0: decode OPCODE_OP_BOTTOM3 {
348 0x0: MOV(Rd,Cd);
349 0x1: MOV(Rd,Dd);
350 0x2: MOV(Cd,Rd);
351 0x3: MOV(Dd,Rd);
352 default: UD2();
353 }
354 default: UD2();
355 }
356 0x05: decode LEGACY_DECODEVAL {
357 // no prefix
358 0x0: decode OPCODE_OP_BOTTOM3 {
359 //These moves should really use size o (octword), but
360 //because they are split in two, they use q (quadword).
361 0x0: MOVAPS(Vq,Wq);
362 0x1: MOVAPS(Wq,Vq);
363 0x2: CVTPI2PS(Vq,Qq);
364 0x3: WarnUnimpl::movntps_Mo_Vo();
365 0x4: CVTTPS2PI(Pq,Wq);
366 0x5: CVTPS2PI(Pq,Wq);
367 0x6: UCOMISS(Vd,Wd);
368 0x7: COMISS(Vd,Wd);
369 }
370 // repe (0xF3)
371 0x4: decode OPCODE_OP_BOTTOM3 {
372 0x2: CVTSI2SS(Vd,Ed);
373 0x4: CVTTSS2SI(Gd,Wd);
374 0x5: CVTSS2SI(Gd,Wd);
375 default: UD2();
376 }
377 // operand size (0x66)
378 0x1: decode OPCODE_OP_BOTTOM3 {
379 0x0: MOVAPD(Vo,Wo);
380 0x1: MOVAPD(Wo,Vo);
381 0x2: CVTPI2PD(Vo,Qq);
382 0x3: WarnUnimpl::movntpd_Mo_Vo();
383 0x4: CVTTPD2PI(Pq,Wo);
384 0x5: CVTPD2PI(Pq,Wo);
385 0x6: UCOMISD(Vq,Wq);
386 0x7: COMISD(Vq,Wq);
387 }
388 // repne (0xF2)
389 0x8: decode OPCODE_OP_BOTTOM3 {
390 // The size of the V operand should be q, not dp
391 0x2: CVTSI2SD(Vdp,Edp);
392 // The size of the W operand should be q, not dp
393 0x4: CVTTSD2SI(Gdp,Wdp);
394 0x5: CVTSD2SI(Gd,Wq);
395 default: UD2();
396 }
397 default: UD2();
398 }
399 }
400 0x06: decode OPCODE_OP_BOTTOM3 {
401 0x0: Inst::WRMSR();
402 0x1: Inst::RDTSC();
403 0x2: Inst::RDMSR();
404 0x3: rdpmc();
405#if FULL_SYSTEM
406 0x4: sysenter();
407#else
408 0x4: SyscallInst::sysenter('xc->syscall(Rax)',
409 IsSyscall, IsNonSpeculative, IsSerializeAfter);
410#endif
411 0x5: sysexit();
412 0x6: Inst::UD2();
413 0x7: getsec();
414 }
415 0x07: decode OPCODE_OP_BOTTOM3 {
416 0x0: M5InternalError::error(
417 {{"Three byte opcode shouldn't be handled by "
418 "two_byte_opcodes.isa!"}});
419 0x2: M5InternalError::error(
420 {{"Three byte opcode shouldn't be handled by "
421 "two_byte_opcodes.isa!"}});
422 default: UD2();
423 }
424 format Inst {
425 0x08: decode OPCODE_OP_BOTTOM3 {
426 0x0: CMOVO(Gv,Ev);
427 0x1: CMOVNO(Gv,Ev);
428 0x2: CMOVB(Gv,Ev);
429 0x3: CMOVNB(Gv,Ev);
430 0x4: CMOVZ(Gv,Ev);
431 0x5: CMOVNZ(Gv,Ev);
432 0x6: CMOVBE(Gv,Ev);
433 0x7: CMOVNBE(Gv,Ev);
434 }
435 0x09: decode OPCODE_OP_BOTTOM3 {
436 0x0: CMOVS(Gv,Ev);
437 0x1: CMOVNS(Gv,Ev);
438 0x2: CMOVP(Gv,Ev);
439 0x3: CMOVNP(Gv,Ev);
440 0x4: CMOVL(Gv,Ev);
441 0x5: CMOVNL(Gv,Ev);
442 0x6: CMOVLE(Gv,Ev);
443 0x7: CMOVNLE(Gv,Ev);
444 }
445 0x0A: decode LEGACY_DECODEVAL {
446 // no prefix
447 0x0: decode OPCODE_OP_BOTTOM3 {
448 0x0: MOVMSKPS(Gd,VRo);
449 0x1: SQRTPS(Vo,Wo);
450 0x2: WarnUnimpl::rqsrtps_Vo_Wo();
451 0x3: WarnUnimpl::rcpps_Vo_Wo();
452 0x4: ANDPS(Vo,Wo);
453 0x5: ANDNPS(Vo,Wo);
454 0x6: ORPS(Vo,Wo);
455 0x7: XORPS(Vo,Wo);
456 }
457 // repe (0xF3)
458 0x4: decode OPCODE_OP_BOTTOM3 {
459 0x1: SQRTSS(Vd,Wd);
460 0x2: WarnUnimpl::rsqrtss_Vd_Wd();
461 0x3: WarnUnimpl::rcpss_Vd_Wd();
462 default: UD2();
463 }
464 // operand size (0x66)
465 0x1: decode OPCODE_OP_BOTTOM3 {
466 0x0: MOVMSKPD(Gd,VRo);
467 0x1: SQRTPD(Vo,Wo);
468 0x4: ANDPD(Vo,Wo);
469 0x5: ANDNPD(Vo,Wo);
470 0x6: ORPD(Vo,Wo);
471 0x7: XORPD(Vo,Wo);
472 default: UD2();
473 }
474 // repne (0xF2)
475 0x8: decode OPCODE_OP_BOTTOM3 {
476 0x1: SQRTSD(Vq,Wq);
477 default: UD2();
478 }
479 default: UD2();
480 }
481 0x0B: decode LEGACY_DECODEVAL {
482 // no prefix
483 0x0: decode OPCODE_OP_BOTTOM3 {
484 0x0: ADDPS(Vo,Wo);
485 0x1: MULPS(Vo,Wo);
486 0x2: CVTPS2PD(Vo,Wq);
487 0x3: CVTDQ2PS(Vo,Wo);
488 0x4: SUBPS(Vo,Wo);
489 0x5: MINPS(Vo,Wo);
490 0x6: DIVPS(Vo,Wo);
491 0x7: MAXPS(Vo,Wo);
492 }
493 // repe (0xF3)
494 0x4: decode OPCODE_OP_BOTTOM3 {
495 0x0: ADDSS(Vd,Wd);
496 0x1: MULSS(Vd,Wd);
497 0x2: CVTSS2SD(Vq,Wd);
498 0x3: CVTTPS2DQ(Vo,Wo);
499 0x4: SUBSS(Vd,Wd);
500 0x5: MINSS(Vd,Wd);
501 0x6: DIVSS(Vd,Wd);
502 0x7: MAXSS(Vd,Wd);
503 }
504 // operand size (0x66)
505 0x1: decode OPCODE_OP_BOTTOM3 {
506 0x0: ADDPD(Vo,Wo);
507 0x1: MULPD(Vo,Wo);
508 0x2: CVTPD2PS(Vo,Wo);
509 0x3: CVTPS2DQ(Vo,Wo);
510 0x4: SUBPD(Vo,Wo);
511 0x5: MINPD(Vo,Wo);
512 0x6: DIVPD(Vo,Wo);
513 0x7: MAXPD(Vo,Wo);
514 }
515 // repne (0xF2)
516 0x8: decode OPCODE_OP_BOTTOM3 {
517 0x0: ADDSD(Vq,Wq);
518 0x1: MULSD(Vq,Wq);
519 0x2: CVTSD2SS(Vd,Wq);
520 0x4: SUBSD(Vq,Wq);
521 0x5: MINSD(Vq,Wq);
522 0x6: DIVSD(Vq,Wq);
523 0x7: MAXSD(Vq,Wq);
524 default: UD2();
525 }
526 default: UD2();
527 }
528 0x0C: decode LEGACY_DECODEVAL {
529 // no prefix
530 0x0: decode OPCODE_OP_BOTTOM3 {
531 0x0: PUNPCKLBW(Pq,Qd);
532 0x1: PUNPCKLWD(Pq,Qd);
533 0x2: PUNPCKLDQ(Pq,Qd);
534 0x3: PACKSSWB(Pq,Qq);
535 0x4: PCMPGTB(Pq,Qq);
536 0x5: PCMPGTW(Pq,Qq);
537 0x6: PCMPGTD(Pq,Qq);
538 0x7: PACKUSWB(Pq,Qq);
539 }
540 // operand size (0x66)
541 0x1: decode OPCODE_OP_BOTTOM3 {
542 0x0: PUNPCKLBW(Vo,Wq);
543 0x1: PUNPCKLWD(Vo,Wq);
544 0x2: PUNPCKLDQ(Vo,Wq);
545 0x3: PACKSSWB(Vo,Wo);
546 0x4: PCMPGTB(Vo,Wo);
547 0x5: PCMPGTW(Vo,Wo);
548 0x6: PCMPGTD(Vo,Wo);
549 0x7: PACKUSWB(Vo,Wo);
550 }
551 default: UD2();
552 }
553 0x0D: decode LEGACY_DECODEVAL {
554 // no prefix
555 0x0: decode OPCODE_OP_BOTTOM3 {
556 0x0: PUNPCKHBW(Pq,Qq);
557 0x1: PUNPCKHWD(Pq,Qq);
558 0x2: PUNPCKHDQ(Pq,Qq);
559 0x3: PACKSSDW(Pq,Qq);
560 0x6: MOVD(Pq,Edp);
561 0x7: MOVQ(Pq,Qq);
562 default: UD2();
563 }
564 // repe (0xF3)
565 0x4: decode OPCODE_OP_BOTTOM3 {
566 0x7: MOVDQU(Vo,Wo);
567 default: UD2();
568 }
569 // operand size (0x66)
570 0x1: decode OPCODE_OP_BOTTOM3 {
571 0x0: PUNPCKHBW(Vo,Wo);
572 0x1: PUNPCKHWD(Vo,Wo);
573 0x2: PUNPCKHDQ(Vo,Wo);
574 0x3: PACKSSDW(Vo,Wo);
575 0x4: PUNPCKLQDQ(Vo,Wq);
576 0x5: PUNPCKHQDQ(Vo,Wq);
577 0x6: MOVD(Vo,Edp);
578 0x7: MOVDQA(Vo,Wo);
579 }
580 default: UD2();
581 }
582 0x0E: decode LEGACY_DECODEVAL {
583 // no prefix
584 0x0: decode OPCODE_OP_BOTTOM3 {
585 0x0: PSHUFW(Pq,Qq,Ib);
586 //0x1: group12_pshimw();
587 0x1: decode MODRM_REG {
588 0x2: PSRLW(PRq,Ib);
589 0x4: PSRAW(PRq,Ib);
590 0x6: PSLLW(PRq,Ib);
591 default: UD2();
592 }
593 //0x2: group13_pshimd();
594 0x2: decode MODRM_REG {
595 0x2: PSRLD(PRq,Ib);
596 0x4: PSRAD(PRq,Ib);
597 0x6: PSLLD(PRq,Ib);
598 default: UD2();
599 }
600 //0x3: group14_pshimq();
601 0x3: decode MODRM_REG {
602 0x2: PSRLQ(PRq,Ib);
603 0x6: PSLLQ(PRq,Ib);
604 default: Inst::UD2();
605 }
606 0x4: Inst::PCMPEQB(Pq,Qq);
607 0x5: Inst::PCMPEQW(Pq,Qq);
608 0x6: Inst::PCMPEQD(Pq,Qq);
609 0x7: WarnUnimpl::emms();
610 }
611 // repe (0xF3)
612 0x4: decode OPCODE_OP_BOTTOM3 {
613 0x0: PSHUFHW(Vo,Wo,Ib);
614 default: UD2();
615 }
616 // operand size (0x66)
617 0x1: decode OPCODE_OP_BOTTOM3 {
618 0x0: PSHUFD(Vo,Wo,Ib);
619 //0x1: group12_pshimw();
620 0x1: decode MODRM_REG {
621 0x2: PSRLW(VRo,Ib);
622 0x4: PSRAW(VRo,Ib);
623 0x6: PSLLW(VRo,Ib);
624 }
625 //0x2: group13_pshimd();
626 0x2: decode MODRM_REG {
627 0x2: PSRLD(VRo,Ib);
628 0x4: PSRAD(VRo,Ib);
629 0x6: PSLLD(VRo,Ib);
630 default: UD2();
631 }
632 //0x3: group14_pshimq();
633 0x3: decode MODRM_REG {
634 0x2: PSRLQ(VRo,Ib);
635 0x3: PSRLDQ(VRo,Ib);
636 0x6: PSLLQ(VRo,Ib);
637 0x7: PSLLDQ(VRo,Ib);
638 default: UD2();
639 }
640 0x4: PCMPEQB(Vo,Wo);
641 0x5: PCMPEQW(Vo,Wo);
642 0x6: PCMPEQD(Vo,Wo);
643 default: UD2();
644 }
645 // repne (0xF2)
646 0x8: decode OPCODE_OP_BOTTOM3 {
647 0x0: PSHUFLW(Vo,Wo,Ib);
648 default: UD2();
649 }
650 default: UD2();
651 }
652 0x0F: decode LEGACY_DECODEVAL {
653 // no prefix
654 0x0: decode OPCODE_OP_BOTTOM3 {
655 0x0: WarnUnimpl::vmread_Edp_Gdp();
656 0x1: WarnUnimpl::vmwrite_Gdp_Edp();
657 0x6: MOVD(Edp,Pdp);
658 0x7: MOVQ(Qq,Pq);
659 default: UD2();
660 }
661 // repe (0xF3)
662 0x4: decode OPCODE_OP_BOTTOM3 {
663 0x6: MOVQ(Vq,Wq);
664 0x7: MOVDQU(Wo,Vo);
665 default: UD2();
666 }
667 // operand size (0x66)
668 0x1: decode OPCODE_OP_BOTTOM3 {
669 0x4: HADDPD(Vo,Wo);
670 0x5: WarnUnimpl::hsubpd_Vo_Wo();
671 0x6: MOVD(Edp,Vd);
672 0x7: MOVDQA(Wo,Vo);
673 default: UD2();
674 }
675 // repne (0xF2)
676 0x8: decode OPCODE_OP_BOTTOM3 {
677 0x4: WarnUnimpl::haddps_Vo_Wo();
678 0x5: WarnUnimpl::hsubps_Vo_Wo();
679 default: UD2();
680 }
681 default: UD2();
682 }
683 0x10: decode OPCODE_OP_BOTTOM3 {
684 0x0: JO(Jz);
685 0x1: JNO(Jz);
686 0x2: JB(Jz);
687 0x3: JNB(Jz);
688 0x4: JZ(Jz);
689 0x5: JNZ(Jz);
690 0x6: JBE(Jz);
691 0x7: JNBE(Jz);
692 }
693 0x11: decode OPCODE_OP_BOTTOM3 {
694 0x0: JS(Jz);
695 0x1: JNS(Jz);
696 0x2: JP(Jz);
697 0x3: JNP(Jz);
698 0x4: JL(Jz);
699 0x5: JNL(Jz);
700 0x6: JLE(Jz);
701 0x7: JNLE(Jz);
702 }
703 0x12: decode OPCODE_OP_BOTTOM3 {
704 0x0: SETO(Eb);
705 0x1: SETNO(Eb);
706 0x2: SETB(Eb);
707 0x3: SETNB(Eb);
708 0x4: SETZ(Eb);
709 0x5: SETNZ(Eb);
710 0x6: SETBE(Eb);
711 0x7: SETNBE(Eb);
712 }
713 0x13: decode OPCODE_OP_BOTTOM3 {
714 0x0: SETS(Eb);
715 0x1: SETNS(Eb);
716 0x2: SETP(Eb);
717 0x3: SETNP(Eb);
718 0x4: SETL(Eb);
719 0x5: SETNL(Eb);
720 0x6: SETLE(Eb);
721 0x7: SETNLE(Eb);
722 }
723 }
724 0x14: decode OPCODE_OP_BOTTOM3 {
725 0x0: push_fs();
726 0x1: pop_fs();
727 0x2: CPUIDInst::CPUID({{
728 CpuidResult result;
729 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0),
730 bits(Rcx, 31, 0), result);
731 Rax = result.rax;
732 Rbx = result.rbx;
733 Rcx = result.rcx;
734 Rdx = result.rdx;
735 }});
736 0x3: Inst::BT(Ev,Gv);
737 0x4: Inst::SHLD(Ev,Gv,Ib);
738 0x5: Inst::SHLD(Ev,Gv);
739 default: Inst::UD2();
740 }
741 0x15: decode OPCODE_OP_BOTTOM3 {
742 0x0: push_gs();
743 0x1: pop_gs();
744 0x2: rsm_smm();
745 0x3: Inst::BTS(Ev,Gv);
746 0x4: Inst::SHRD(Ev,Gv,Ib);
747 0x5: Inst::SHRD(Ev,Gv);
748 //0x6: group15();
749 0x6: decode MODRM_MOD {
750 0x3: decode MODRM_REG {
751 0x5: BasicOperate::LFENCE(
752 {{/*Nothing*/}}, IsReadBarrier);
753 0x6: BasicOperate::MFENCE(
754 {{/*Nothing*/}}, IsMemBarrier);
755 0x7: BasicOperate::SFENCE(
756 {{/*Nothing*/}}, IsWriteBarrier);
757 default: Inst::UD2();
758 }
759 default: decode MODRM_REG {
760 0x0: fxsave();
761 0x1: fxrstor();
762 0x2: Inst::LDMXCSR(Md);
763 0x3: Inst::STMXCSR(Md);
764 0x4: xsave();
765 0x5: xrstor();
766 0x6: Inst::UD2();
767 0x7: clflush();
768 }
769 }
770 0x7: Inst::IMUL(Gv,Ev);
771 }
772 format Inst {
773 0x16: decode OPCODE_OP_BOTTOM3 {
774 0x0: CMPXCHG(Eb,Gb);
775 0x1: CMPXCHG(Ev,Gv);
776 0x2: WarnUnimpl::lss_Gz_Mp();
777 0x3: BTR(Ev,Gv);
778 0x4: WarnUnimpl::lfs_Gz_Mp();
779 0x5: WarnUnimpl::lgs_Gz_Mp();
780 //The size of the second operand in these instructions
781 //should really be "b" or "w", but it's set to v in order
782 //to have a consistent register size. This shouldn't
783 //affect behavior.
784 0x6: MOVZX_B(Gv,Ev);
785 0x7: MOVZX_W(Gv,Ev);
786 }
787 0x17: decode OPCODE_OP_BOTTOM3 {
788 0x0: decode LEGACY_REP {
789 0x0: WarnUnimpl::jmpe_Jz();
790 0x1: WarnUnimpl::popcnt_Gv_Ev();
791 }
792 //0x1: group10_UD2();
793 0x1: UD2();
794 //0x2: group8_Ev_Ib();
795 0x2: decode MODRM_REG {
796 0x4: BT(Ev,Ib);
797 0x5: BTS(Ev,Ib);
798 0x6: BTR(Ev,Ib);
799 0x7: BTC(Ev,Ib);
800 default: UD2();
801 }
802 0x3: BTC(Ev,Gv);
803 0x4: BSF(Gv,Ev);
804 0x5: BSR(Gv,Ev);
805 //The size of the second operand in these instructions
806 //should really be "b" or "w", but it's set to v in order
807 //to have a consistent register size. This shouldn't
808 //affect behavior.
809 0x6: MOVSX_B(Gv,Ev);
810 0x7: MOVSX_W(Gv,Ev);
811 }
812 0x18: decode OPCODE_OP_BOTTOM3 {
813 0x0: XADD(Eb,Gb);
814 0x1: XADD(Ev,Gv);
815 //0x7: group9();
816 0x7: decode MODRM_REG {
817 //Also CMPXCHG16B
818 0x1: CMPXCHG8B(Mdp);
819 0x6: decode LEGACY_OP {
820 0x1: WarnUnimpl::vmclear_Mq();
821 default: decode LEGACY_REP {
822 0x1: WarnUnimpl::vmxon_Mq();
823 0x0: WarnUnimpl::vmptrld_Mq();
824 }
825 }
826 0x7: WarnUnimpl::vmptrst_Mq();
827 default: UD2();
828 }
829 default: decode LEGACY_DECODEVAL {
830 // no prefix
831 0x0: decode OPCODE_OP_BOTTOM3 {
832 0x2: CMPPS(Vo,Wo,Ib);
833 0x3: MOVNTI(Mdp,Gdp);
834 0x4: PINSRW(Pq,Ew,Ib);
835 0x5: PEXTRW(Gd,PRq,Ib);
836 0x6: SHUFPS(Vps,Wps,Ib);
837 }
838 // repe (0xF3)
839 0x4: decode OPCODE_OP_BOTTOM3 {
840 0x2: CMPSS(Vd,Wd,Ib);
841 default: UD2();
842 }
843 // operand size (0x66)
844 0x1: decode OPCODE_OP_BOTTOM3 {
845 0x2: CMPPD(Vo,Wo,Ib);
846 0x4: PINSRW(Vdw,Ew,Ib);
847 0x5: PEXTRW(Gd,VRdq,Ib);
848 0x6: SHUFPD(Vpd,Wpd,Ib);
849 default: UD2();
850 }
851 // repne (0xF2)
852 0x8: decode OPCODE_OP_BOTTOM3 {
853 0x2: CMPSD(Vq,Wq,Ib);
854 default: UD2();
855 }
856 default: UD2();
857 }
858 }
859 0x19: decode OPSIZE {
860 4: BSWAP_D(Bd);
861 8: BSWAP_Q(Bq);
862 default: UD2();
863 }
864 0x1A: decode LEGACY_DECODEVAL {
865 // no prefix
866 0x0: decode OPCODE_OP_BOTTOM3 {
867 0x1: PSRLW(Pq,Qq);
868 0x2: PSRLD(Pq,Qq);
869 0x3: PSRLQ(Pq,Qq);
870 0x4: PADDQ(Pq,Qq);
871 0x5: PMULLW(Pq,Qq);
872 0x7: PMOVMSKB(Gd,PRq);
873 default: UD2();
874 }
875 // repe (0xF3)
876 0x4: decode OPCODE_OP_BOTTOM3 {
877 0x6: MOVQ2DQ(Vo,PRq);
878 default: UD2();
879 }
880 // operand size (0x66)
881 0x1: decode OPCODE_OP_BOTTOM3 {
882 0x0: WarnUnimpl::addsubpd_Vo_Wo();
883 0x1: PSRLW(Vo,Wo);
884 0x2: PSRLD(Vo,Wo);
885 0x3: PSRLQ(Vo,Wo);
886 0x4: PADDQ(Vo,Wo);
887 0x5: PMULLW(Vo,Wo);
888 0x6: MOVQ(Wq,Vq);
889 0x7: PMOVMSKB(Gd,VRo);
890 }
891 // repne (0xF2)
892 0x8: decode OPCODE_OP_BOTTOM3 {
893 0x0: WarnUnimpl::addsubps_Vo_Wo();
894 0x6: MOVDQ2Q(Pq,VRq);
895 default: UD2();
896 }
897 default: UD2();
898 }
899 0x1B: decode LEGACY_DECODEVAL {
900 // no prefix
901 0x0: decode OPCODE_OP_BOTTOM3 {
902 0x0: PSUBUSB(Pq,Qq);
903 0x1: PSUBUSW(Pq,Qq);
904 0x2: PMINUB(Pq,Qq);
905 0x3: PAND(Pq,Qq);
906 0x4: PADDUSB(Pq,Qq);
907 0x5: PADDUSW(Pq,Qq);
908 0x6: PMAXUB(Pq,Qq);
909 0x7: PANDN(Pq,Qq);
910 }
911 // operand size (0x66)
912 0x1: decode OPCODE_OP_BOTTOM3 {
913 0x0: PSUBUSB(Vo,Wo);
914 0x1: PSUBUSW(Vo,Wo);
915 0x2: PMINUB(Vo,Wo);
916 0x3: PAND(Vo,Wo);
917 0x4: PADDUSB(Vo,Wo);
918 0x5: PADDUSW(Vo,Wo);
919 0x6: PMAXUB(Vo,Wo);
920 0x7: PANDN(Vo,Wo);
921 }
922 default: UD2();
923 }
924 0x1C: decode LEGACY_DECODEVAL {
925 // no prefix
926 0x0: decode OPCODE_OP_BOTTOM3 {
927 0x0: PAVGB(Pq,Qq);
928 0x1: PSRAW(Pq,Qq);
929 0x2: PSRAD(Pq,Qq);
930 0x3: PAVGW(Pq,Qq);
931 0x4: PMULHUW(Pq,Qq);
932 0x5: PMULHW(Pq,Qq);
933 0x7: WarnUnimpl::movntq_Mq_Pq();
934 default: UD2();
935 }
936 // repe (0xF3)
937 0x4: decode OPCODE_OP_BOTTOM3 {
938 0x6: CVTDQ2PD(Vo,Wq);
939 default: UD2();
940 }
941 // operand size (0x66)
942 0x1: decode OPCODE_OP_BOTTOM3 {
943 0x0: PAVGB(Vo,Wo);
944 0x1: PSRAW(Vo,Wo);
945 0x2: PSRAD(Vo,Wo);
946 0x3: PAVGW(Vo,Wo);
947 0x4: PMULHUW(Vo,Wo);
948 0x5: PMULHW(Vo,Wo);
949 0x6: CVTTPD2DQ(Vo,Wo);
950 0x7: WarnUnimpl::movntdq_Mo_Vo();
951 }
952 // repne (0xF2)
953 0x8: decode OPCODE_OP_BOTTOM3 {
954 0x6: CVTPD2DQ(Vo,Wo);
955 default: UD2();
956 }
957 default: UD2();
958 }
959 0x1D: decode LEGACY_DECODEVAL {
960 // no prefix
961 0x0: decode OPCODE_OP_BOTTOM3 {
962 0x0: PSUBSB(Pq,Qq);
963 0x1: PSUBSW(Pq,Qq);
964 0x2: PMINSW(Pq,Qq);
965 0x3: POR(Pq,Qq);
966 0x4: PADDSB(Pq,Qq);
967 0x5: PADDSW(Pq,Qq);
968 0x6: PMAXSW(Pq,Qq);
969 0x7: PXOR(Pq,Qq);
970 }
971 // operand size (0x66)
972 0x1: decode OPCODE_OP_BOTTOM3 {
973 0x0: PSUBSB(Vo,Wo);
974 0x1: PSUBSW(Vo,Wo);
975 0x2: PMINSW(Vo,Wo);
976 0x3: POR(Vo,Wo);
977 0x4: PADDSB(Vo,Wo);
978 0x5: PADDSW(Vo,Wo);
979 0x6: PMAXSW(Vo,Wo);
980 0x7: PXOR(Vo,Wo);
981 }
982 default: UD2();
983 }
984 0x1E: decode LEGACY_DECODEVAL {
985 // no prefix
986 0x0: decode OPCODE_OP_BOTTOM3 {
987 0x1: PSLLW(Pq,Qq);
988 0x2: PSLLD(Pq,Qq);
989 0x3: PSLLQ(Pq,Qq);
990 0x4: PMULUDQ(Pq,Qq);
991 0x5: PMADDWD(Pq,Qq);
992 0x6: PSADBW(Pq,Qq);
993 0x7: MASKMOVQ(Pq,PRq);
994 default: UD2();
995 }
996 // operand size (0x66)
997 0x1: decode OPCODE_OP_BOTTOM3 {
998 0x1: PSLLW(Vo,Wo);
999 0x2: PSLLD(Vo,Wo);
1000 0x3: PSLLQ(Vo,Wo);
1001 0x4: PMULUDQ(Vo,Wo);
1002 0x5: PMADDWD(Vo,Wo);
1003 0x6: PSADBW(Vo,Wo);
1004 0x7: MASKMOVDQU(Vo,VRo);
1005 default: UD2();
1006 }
1007 // repne (0xF2)
1008 0x8: decode OPCODE_OP_BOTTOM3 {
1009 0x0: WarnUnimpl::lddqu_Vo_Mo();
1010 default: UD2();
1011 }
1012 default: UD2();
1013 }
1014 0x1F: decode LEGACY_DECODEVAL {
1015 // no prefix
1016 0x0: decode OPCODE_OP_BOTTOM3 {
1017 0x0: PSUBB(Pq,Qq);
1018 0x1: PSUBW(Pq,Qq);
1019 0x2: PSUBD(Pq,Qq);
1020 0x3: PSUBQ(Pq,Qq);
1021 0x4: PADDB(Pq,Qq);
1022 0x5: PADDW(Pq,Qq);
1023 0x6: PADDD(Pq,Qq);
1024 0x7: UD2();
1025 }
1026 // operand size (0x66)
1027 0x1: decode OPCODE_OP_BOTTOM3 {
1028 0x0: PSUBB(Vo,Wo);
1029 0x1: PSUBW(Vo,Wo);
1030 0x2: PSUBD(Vo,Wo);
1031 0x3: PSUBQ(Vo,Wo);
1032 0x4: PADDB(Vo,Wo);
1033 0x5: PADDW(Vo,Wo);
1034 0x6: PADDD(Vo,Wo);
1035 0x7: UD2();
1036 }
1037 default: UD2();
1038 }
1039 }
1040 default: FailUnimpl::twoByteOps();
1041 }
1042 }
1043 default: M5InternalError::error(
1044 {{"Unexpected first opcode byte in two byte opcode!"}});
1045}
203 }}, IsNonSpeculative);
204 0x55: m5reserved1({{
205 warn("M5 reserved opcode 1 ignored.\n");
206 }}, IsNonSpeculative);
207 0x56: m5reserved2({{
208 warn("M5 reserved opcode 2 ignored.\n");
209 }}, IsNonSpeculative);
210 0x57: m5reserved3({{
211 warn("M5 reserved opcode 3 ignored.\n");
212 }}, IsNonSpeculative);
213 0x58: m5reserved4({{
214 warn("M5 reserved opcode 4 ignored.\n");
215 }}, IsNonSpeculative);
216 0x59: m5reserved5({{
217 warn("M5 reserved opcode 5 ignored.\n");
218 }}, IsNonSpeculative);
219 default: Inst::UD2();
220 }
221 }
222#if FULL_SYSTEM
223 0x05: decode MODE_MODE {
224 0x0: decode MODE_SUBMODE {
225 0x0: Inst::SYSCALL_64();
226 0x1: Inst::SYSCALL_COMPAT();
227 }
228 0x1: Inst::SYSCALL_LEGACY();
229 }
230#else
231 0x05: SyscallInst::syscall('xc->syscall(Rax)',
232 IsSyscall, IsNonSpeculative, IsSerializeAfter);
233#endif
234 0x06: Inst::CLTS();
235 0x07: decode MODE_SUBMODE {
236 0x0: decode OPSIZE {
237 // Return to 64 bit mode.
238 0x8: Inst::SYSRET_TO_64();
239 // Return to compatibility mode.
240 default: Inst::SYSRET_TO_COMPAT();
241 }
242 default: Inst::SYSRET_NON_64();
243 }
244 }
245 0x01: decode OPCODE_OP_BOTTOM3 {
246 0x0: invd();
247 0x1: wbinvd();
248 0x2: Inst::UD2();
249 0x3: Inst::UD2();
250 0x4: Inst::UD2();
251 0x5: Inst::PREFETCH(Mb);
252 0x6: FailUnimpl::femms();
253 0x7: decode IMMEDIATE {
254 0x0C: pi2fw_Pq_Qq();
255 0x0D: pi2fd_Pq_Qq();
256 0x1C: pf2iw_Pq_Qq();
257 0x1D: pf2id_Pq_Qq();
258 0x8A: pfnacc_Pq_Qq();
259 0x8E: pfpnacc_Pq_Qq();
260 0x90: pfcmpge_Pq_Qq();
261 0x94: pfmin_Pq_Qq();
262 0x96: pfrcp_Pq_Qq();
263 0x97: pfrsqrt_Pq_Qq();
264 0x9A: Inst::PFSUB(Pq,Qq);
265 0x9E: pfadd_Pq_Qq();
266 0xA0: pfcmpgt_Pq_Qq();
267 0xA4: pfmax_Pq_Qq();
268 0xA6: pfrcpit1_Pq_Qq();
269 0xA7: pfrsqit1_Pq_Qq();
270 0xAA: Inst::PFSUBR(Pq,Qq);
271 0xAE: pfacc_Pq_Qq();
272 0xB0: pfcmpeq_Pq_Qq();
273 0xB4: Inst::PFMUL(Pq,Qq);
274 0xB6: pfrcpit2_Pq_Qq();
275 0xB7: Inst::PMULHRW(Pq,Qq);
276 0xBB: pswapd_Pq_Qq();
277 0xBF: pavgusb_Pq_Qq();
278 default: Inst::UD2();
279 }
280 }
281 format Inst{
282 0x02: decode LEGACY_DECODEVAL {
283 // no prefix
284 0x0: decode OPCODE_OP_BOTTOM3 {
285 0x0: MOVUPS(Vo,Wo);
286 0x1: MOVUPS(Wo,Vo);
287 0x2: decode MODRM_MOD {
288 0x3: MOVHLPS(Vps,VRq);
289 default: MOVLPS(Vps,Mq);
290 }
291 0x3: MOVLPS(Mq,Vps);
292 0x4: UNPCKLPS(Vps,Wq);
293 0x5: UNPCKHPS(Vps,Wq);
294 0x6: decode MODRM_MOD {
295 0x3: MOVLHPS(Vps,VRq);
296 default: MOVHPS(Vps,Mq);
297 }
298 0x7: MOVHPS(Mq,Vq);
299 }
300 // repe (0xF3)
301 0x4: decode OPCODE_OP_BOTTOM3 {
302 0x0: MOVSS(Vd,Wd);
303 0x1: MOVSS(Wd,Vd);
304 0x2: WarnUnimpl::movsldup_Vo_Wo();
305 0x6: WarnUnimpl::movshdup_Vo_Wo();
306 default: UD2();
307 }
308 // operand size (0x66)
309 0x1: decode OPCODE_OP_BOTTOM3 {
310 0x0: MOVUPD(Vo,Wo);
311 0x1: MOVUPD(Wo,Vo);
312 0x2: MOVLPD(Vq,Mq);
313 0x3: MOVLPD(Mq,Vq);
314 0x4: UNPCKLPD(Vo,Wq);
315 0x5: UNPCKHPD(Vo,Wo);
316 0x6: MOVHPD(Vq,Mq);
317 0x7: MOVHPD(Mq,Vq);
318 }
319 // repne (0xF2)
320 0x8: decode OPCODE_OP_BOTTOM3 {
321 0x0: MOVSD(Vq,Wq);
322 0x1: MOVSD(Wq,Vq);
323 0x2: MOVDDUP(Vo,Wq);
324 default: UD2();
325 }
326 default: UD2();
327 }
328 0x03: decode OPCODE_OP_BOTTOM3 {
329 //group16();
330 0x0: decode MODRM_REG {
331 0x0: WarnUnimpl::prefetch_nta();
332 0x1: PREFETCH_T0(Mb);
333 0x2: WarnUnimpl::prefetch_t1();
334 0x3: WarnUnimpl::prefetch_t2();
335 default: HINT_NOP();
336 }
337 0x1: HINT_NOP();
338 0x2: HINT_NOP();
339 0x3: HINT_NOP();
340 0x4: HINT_NOP();
341 0x5: HINT_NOP();
342 0x6: HINT_NOP();
343 0x7: HINT_NOP();
344 }
345 0x04: decode LEGACY_DECODEVAL {
346 // no prefix
347 0x0: decode OPCODE_OP_BOTTOM3 {
348 0x0: MOV(Rd,Cd);
349 0x1: MOV(Rd,Dd);
350 0x2: MOV(Cd,Rd);
351 0x3: MOV(Dd,Rd);
352 default: UD2();
353 }
354 default: UD2();
355 }
356 0x05: decode LEGACY_DECODEVAL {
357 // no prefix
358 0x0: decode OPCODE_OP_BOTTOM3 {
359 //These moves should really use size o (octword), but
360 //because they are split in two, they use q (quadword).
361 0x0: MOVAPS(Vq,Wq);
362 0x1: MOVAPS(Wq,Vq);
363 0x2: CVTPI2PS(Vq,Qq);
364 0x3: WarnUnimpl::movntps_Mo_Vo();
365 0x4: CVTTPS2PI(Pq,Wq);
366 0x5: CVTPS2PI(Pq,Wq);
367 0x6: UCOMISS(Vd,Wd);
368 0x7: COMISS(Vd,Wd);
369 }
370 // repe (0xF3)
371 0x4: decode OPCODE_OP_BOTTOM3 {
372 0x2: CVTSI2SS(Vd,Ed);
373 0x4: CVTTSS2SI(Gd,Wd);
374 0x5: CVTSS2SI(Gd,Wd);
375 default: UD2();
376 }
377 // operand size (0x66)
378 0x1: decode OPCODE_OP_BOTTOM3 {
379 0x0: MOVAPD(Vo,Wo);
380 0x1: MOVAPD(Wo,Vo);
381 0x2: CVTPI2PD(Vo,Qq);
382 0x3: WarnUnimpl::movntpd_Mo_Vo();
383 0x4: CVTTPD2PI(Pq,Wo);
384 0x5: CVTPD2PI(Pq,Wo);
385 0x6: UCOMISD(Vq,Wq);
386 0x7: COMISD(Vq,Wq);
387 }
388 // repne (0xF2)
389 0x8: decode OPCODE_OP_BOTTOM3 {
390 // The size of the V operand should be q, not dp
391 0x2: CVTSI2SD(Vdp,Edp);
392 // The size of the W operand should be q, not dp
393 0x4: CVTTSD2SI(Gdp,Wdp);
394 0x5: CVTSD2SI(Gd,Wq);
395 default: UD2();
396 }
397 default: UD2();
398 }
399 }
400 0x06: decode OPCODE_OP_BOTTOM3 {
401 0x0: Inst::WRMSR();
402 0x1: Inst::RDTSC();
403 0x2: Inst::RDMSR();
404 0x3: rdpmc();
405#if FULL_SYSTEM
406 0x4: sysenter();
407#else
408 0x4: SyscallInst::sysenter('xc->syscall(Rax)',
409 IsSyscall, IsNonSpeculative, IsSerializeAfter);
410#endif
411 0x5: sysexit();
412 0x6: Inst::UD2();
413 0x7: getsec();
414 }
415 0x07: decode OPCODE_OP_BOTTOM3 {
416 0x0: M5InternalError::error(
417 {{"Three byte opcode shouldn't be handled by "
418 "two_byte_opcodes.isa!"}});
419 0x2: M5InternalError::error(
420 {{"Three byte opcode shouldn't be handled by "
421 "two_byte_opcodes.isa!"}});
422 default: UD2();
423 }
424 format Inst {
425 0x08: decode OPCODE_OP_BOTTOM3 {
426 0x0: CMOVO(Gv,Ev);
427 0x1: CMOVNO(Gv,Ev);
428 0x2: CMOVB(Gv,Ev);
429 0x3: CMOVNB(Gv,Ev);
430 0x4: CMOVZ(Gv,Ev);
431 0x5: CMOVNZ(Gv,Ev);
432 0x6: CMOVBE(Gv,Ev);
433 0x7: CMOVNBE(Gv,Ev);
434 }
435 0x09: decode OPCODE_OP_BOTTOM3 {
436 0x0: CMOVS(Gv,Ev);
437 0x1: CMOVNS(Gv,Ev);
438 0x2: CMOVP(Gv,Ev);
439 0x3: CMOVNP(Gv,Ev);
440 0x4: CMOVL(Gv,Ev);
441 0x5: CMOVNL(Gv,Ev);
442 0x6: CMOVLE(Gv,Ev);
443 0x7: CMOVNLE(Gv,Ev);
444 }
445 0x0A: decode LEGACY_DECODEVAL {
446 // no prefix
447 0x0: decode OPCODE_OP_BOTTOM3 {
448 0x0: MOVMSKPS(Gd,VRo);
449 0x1: SQRTPS(Vo,Wo);
450 0x2: WarnUnimpl::rqsrtps_Vo_Wo();
451 0x3: WarnUnimpl::rcpps_Vo_Wo();
452 0x4: ANDPS(Vo,Wo);
453 0x5: ANDNPS(Vo,Wo);
454 0x6: ORPS(Vo,Wo);
455 0x7: XORPS(Vo,Wo);
456 }
457 // repe (0xF3)
458 0x4: decode OPCODE_OP_BOTTOM3 {
459 0x1: SQRTSS(Vd,Wd);
460 0x2: WarnUnimpl::rsqrtss_Vd_Wd();
461 0x3: WarnUnimpl::rcpss_Vd_Wd();
462 default: UD2();
463 }
464 // operand size (0x66)
465 0x1: decode OPCODE_OP_BOTTOM3 {
466 0x0: MOVMSKPD(Gd,VRo);
467 0x1: SQRTPD(Vo,Wo);
468 0x4: ANDPD(Vo,Wo);
469 0x5: ANDNPD(Vo,Wo);
470 0x6: ORPD(Vo,Wo);
471 0x7: XORPD(Vo,Wo);
472 default: UD2();
473 }
474 // repne (0xF2)
475 0x8: decode OPCODE_OP_BOTTOM3 {
476 0x1: SQRTSD(Vq,Wq);
477 default: UD2();
478 }
479 default: UD2();
480 }
481 0x0B: decode LEGACY_DECODEVAL {
482 // no prefix
483 0x0: decode OPCODE_OP_BOTTOM3 {
484 0x0: ADDPS(Vo,Wo);
485 0x1: MULPS(Vo,Wo);
486 0x2: CVTPS2PD(Vo,Wq);
487 0x3: CVTDQ2PS(Vo,Wo);
488 0x4: SUBPS(Vo,Wo);
489 0x5: MINPS(Vo,Wo);
490 0x6: DIVPS(Vo,Wo);
491 0x7: MAXPS(Vo,Wo);
492 }
493 // repe (0xF3)
494 0x4: decode OPCODE_OP_BOTTOM3 {
495 0x0: ADDSS(Vd,Wd);
496 0x1: MULSS(Vd,Wd);
497 0x2: CVTSS2SD(Vq,Wd);
498 0x3: CVTTPS2DQ(Vo,Wo);
499 0x4: SUBSS(Vd,Wd);
500 0x5: MINSS(Vd,Wd);
501 0x6: DIVSS(Vd,Wd);
502 0x7: MAXSS(Vd,Wd);
503 }
504 // operand size (0x66)
505 0x1: decode OPCODE_OP_BOTTOM3 {
506 0x0: ADDPD(Vo,Wo);
507 0x1: MULPD(Vo,Wo);
508 0x2: CVTPD2PS(Vo,Wo);
509 0x3: CVTPS2DQ(Vo,Wo);
510 0x4: SUBPD(Vo,Wo);
511 0x5: MINPD(Vo,Wo);
512 0x6: DIVPD(Vo,Wo);
513 0x7: MAXPD(Vo,Wo);
514 }
515 // repne (0xF2)
516 0x8: decode OPCODE_OP_BOTTOM3 {
517 0x0: ADDSD(Vq,Wq);
518 0x1: MULSD(Vq,Wq);
519 0x2: CVTSD2SS(Vd,Wq);
520 0x4: SUBSD(Vq,Wq);
521 0x5: MINSD(Vq,Wq);
522 0x6: DIVSD(Vq,Wq);
523 0x7: MAXSD(Vq,Wq);
524 default: UD2();
525 }
526 default: UD2();
527 }
528 0x0C: decode LEGACY_DECODEVAL {
529 // no prefix
530 0x0: decode OPCODE_OP_BOTTOM3 {
531 0x0: PUNPCKLBW(Pq,Qd);
532 0x1: PUNPCKLWD(Pq,Qd);
533 0x2: PUNPCKLDQ(Pq,Qd);
534 0x3: PACKSSWB(Pq,Qq);
535 0x4: PCMPGTB(Pq,Qq);
536 0x5: PCMPGTW(Pq,Qq);
537 0x6: PCMPGTD(Pq,Qq);
538 0x7: PACKUSWB(Pq,Qq);
539 }
540 // operand size (0x66)
541 0x1: decode OPCODE_OP_BOTTOM3 {
542 0x0: PUNPCKLBW(Vo,Wq);
543 0x1: PUNPCKLWD(Vo,Wq);
544 0x2: PUNPCKLDQ(Vo,Wq);
545 0x3: PACKSSWB(Vo,Wo);
546 0x4: PCMPGTB(Vo,Wo);
547 0x5: PCMPGTW(Vo,Wo);
548 0x6: PCMPGTD(Vo,Wo);
549 0x7: PACKUSWB(Vo,Wo);
550 }
551 default: UD2();
552 }
553 0x0D: decode LEGACY_DECODEVAL {
554 // no prefix
555 0x0: decode OPCODE_OP_BOTTOM3 {
556 0x0: PUNPCKHBW(Pq,Qq);
557 0x1: PUNPCKHWD(Pq,Qq);
558 0x2: PUNPCKHDQ(Pq,Qq);
559 0x3: PACKSSDW(Pq,Qq);
560 0x6: MOVD(Pq,Edp);
561 0x7: MOVQ(Pq,Qq);
562 default: UD2();
563 }
564 // repe (0xF3)
565 0x4: decode OPCODE_OP_BOTTOM3 {
566 0x7: MOVDQU(Vo,Wo);
567 default: UD2();
568 }
569 // operand size (0x66)
570 0x1: decode OPCODE_OP_BOTTOM3 {
571 0x0: PUNPCKHBW(Vo,Wo);
572 0x1: PUNPCKHWD(Vo,Wo);
573 0x2: PUNPCKHDQ(Vo,Wo);
574 0x3: PACKSSDW(Vo,Wo);
575 0x4: PUNPCKLQDQ(Vo,Wq);
576 0x5: PUNPCKHQDQ(Vo,Wq);
577 0x6: MOVD(Vo,Edp);
578 0x7: MOVDQA(Vo,Wo);
579 }
580 default: UD2();
581 }
582 0x0E: decode LEGACY_DECODEVAL {
583 // no prefix
584 0x0: decode OPCODE_OP_BOTTOM3 {
585 0x0: PSHUFW(Pq,Qq,Ib);
586 //0x1: group12_pshimw();
587 0x1: decode MODRM_REG {
588 0x2: PSRLW(PRq,Ib);
589 0x4: PSRAW(PRq,Ib);
590 0x6: PSLLW(PRq,Ib);
591 default: UD2();
592 }
593 //0x2: group13_pshimd();
594 0x2: decode MODRM_REG {
595 0x2: PSRLD(PRq,Ib);
596 0x4: PSRAD(PRq,Ib);
597 0x6: PSLLD(PRq,Ib);
598 default: UD2();
599 }
600 //0x3: group14_pshimq();
601 0x3: decode MODRM_REG {
602 0x2: PSRLQ(PRq,Ib);
603 0x6: PSLLQ(PRq,Ib);
604 default: Inst::UD2();
605 }
606 0x4: Inst::PCMPEQB(Pq,Qq);
607 0x5: Inst::PCMPEQW(Pq,Qq);
608 0x6: Inst::PCMPEQD(Pq,Qq);
609 0x7: WarnUnimpl::emms();
610 }
611 // repe (0xF3)
612 0x4: decode OPCODE_OP_BOTTOM3 {
613 0x0: PSHUFHW(Vo,Wo,Ib);
614 default: UD2();
615 }
616 // operand size (0x66)
617 0x1: decode OPCODE_OP_BOTTOM3 {
618 0x0: PSHUFD(Vo,Wo,Ib);
619 //0x1: group12_pshimw();
620 0x1: decode MODRM_REG {
621 0x2: PSRLW(VRo,Ib);
622 0x4: PSRAW(VRo,Ib);
623 0x6: PSLLW(VRo,Ib);
624 }
625 //0x2: group13_pshimd();
626 0x2: decode MODRM_REG {
627 0x2: PSRLD(VRo,Ib);
628 0x4: PSRAD(VRo,Ib);
629 0x6: PSLLD(VRo,Ib);
630 default: UD2();
631 }
632 //0x3: group14_pshimq();
633 0x3: decode MODRM_REG {
634 0x2: PSRLQ(VRo,Ib);
635 0x3: PSRLDQ(VRo,Ib);
636 0x6: PSLLQ(VRo,Ib);
637 0x7: PSLLDQ(VRo,Ib);
638 default: UD2();
639 }
640 0x4: PCMPEQB(Vo,Wo);
641 0x5: PCMPEQW(Vo,Wo);
642 0x6: PCMPEQD(Vo,Wo);
643 default: UD2();
644 }
645 // repne (0xF2)
646 0x8: decode OPCODE_OP_BOTTOM3 {
647 0x0: PSHUFLW(Vo,Wo,Ib);
648 default: UD2();
649 }
650 default: UD2();
651 }
652 0x0F: decode LEGACY_DECODEVAL {
653 // no prefix
654 0x0: decode OPCODE_OP_BOTTOM3 {
655 0x0: WarnUnimpl::vmread_Edp_Gdp();
656 0x1: WarnUnimpl::vmwrite_Gdp_Edp();
657 0x6: MOVD(Edp,Pdp);
658 0x7: MOVQ(Qq,Pq);
659 default: UD2();
660 }
661 // repe (0xF3)
662 0x4: decode OPCODE_OP_BOTTOM3 {
663 0x6: MOVQ(Vq,Wq);
664 0x7: MOVDQU(Wo,Vo);
665 default: UD2();
666 }
667 // operand size (0x66)
668 0x1: decode OPCODE_OP_BOTTOM3 {
669 0x4: HADDPD(Vo,Wo);
670 0x5: WarnUnimpl::hsubpd_Vo_Wo();
671 0x6: MOVD(Edp,Vd);
672 0x7: MOVDQA(Wo,Vo);
673 default: UD2();
674 }
675 // repne (0xF2)
676 0x8: decode OPCODE_OP_BOTTOM3 {
677 0x4: WarnUnimpl::haddps_Vo_Wo();
678 0x5: WarnUnimpl::hsubps_Vo_Wo();
679 default: UD2();
680 }
681 default: UD2();
682 }
683 0x10: decode OPCODE_OP_BOTTOM3 {
684 0x0: JO(Jz);
685 0x1: JNO(Jz);
686 0x2: JB(Jz);
687 0x3: JNB(Jz);
688 0x4: JZ(Jz);
689 0x5: JNZ(Jz);
690 0x6: JBE(Jz);
691 0x7: JNBE(Jz);
692 }
693 0x11: decode OPCODE_OP_BOTTOM3 {
694 0x0: JS(Jz);
695 0x1: JNS(Jz);
696 0x2: JP(Jz);
697 0x3: JNP(Jz);
698 0x4: JL(Jz);
699 0x5: JNL(Jz);
700 0x6: JLE(Jz);
701 0x7: JNLE(Jz);
702 }
703 0x12: decode OPCODE_OP_BOTTOM3 {
704 0x0: SETO(Eb);
705 0x1: SETNO(Eb);
706 0x2: SETB(Eb);
707 0x3: SETNB(Eb);
708 0x4: SETZ(Eb);
709 0x5: SETNZ(Eb);
710 0x6: SETBE(Eb);
711 0x7: SETNBE(Eb);
712 }
713 0x13: decode OPCODE_OP_BOTTOM3 {
714 0x0: SETS(Eb);
715 0x1: SETNS(Eb);
716 0x2: SETP(Eb);
717 0x3: SETNP(Eb);
718 0x4: SETL(Eb);
719 0x5: SETNL(Eb);
720 0x6: SETLE(Eb);
721 0x7: SETNLE(Eb);
722 }
723 }
724 0x14: decode OPCODE_OP_BOTTOM3 {
725 0x0: push_fs();
726 0x1: pop_fs();
727 0x2: CPUIDInst::CPUID({{
728 CpuidResult result;
729 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0),
730 bits(Rcx, 31, 0), result);
731 Rax = result.rax;
732 Rbx = result.rbx;
733 Rcx = result.rcx;
734 Rdx = result.rdx;
735 }});
736 0x3: Inst::BT(Ev,Gv);
737 0x4: Inst::SHLD(Ev,Gv,Ib);
738 0x5: Inst::SHLD(Ev,Gv);
739 default: Inst::UD2();
740 }
741 0x15: decode OPCODE_OP_BOTTOM3 {
742 0x0: push_gs();
743 0x1: pop_gs();
744 0x2: rsm_smm();
745 0x3: Inst::BTS(Ev,Gv);
746 0x4: Inst::SHRD(Ev,Gv,Ib);
747 0x5: Inst::SHRD(Ev,Gv);
748 //0x6: group15();
749 0x6: decode MODRM_MOD {
750 0x3: decode MODRM_REG {
751 0x5: BasicOperate::LFENCE(
752 {{/*Nothing*/}}, IsReadBarrier);
753 0x6: BasicOperate::MFENCE(
754 {{/*Nothing*/}}, IsMemBarrier);
755 0x7: BasicOperate::SFENCE(
756 {{/*Nothing*/}}, IsWriteBarrier);
757 default: Inst::UD2();
758 }
759 default: decode MODRM_REG {
760 0x0: fxsave();
761 0x1: fxrstor();
762 0x2: Inst::LDMXCSR(Md);
763 0x3: Inst::STMXCSR(Md);
764 0x4: xsave();
765 0x5: xrstor();
766 0x6: Inst::UD2();
767 0x7: clflush();
768 }
769 }
770 0x7: Inst::IMUL(Gv,Ev);
771 }
772 format Inst {
773 0x16: decode OPCODE_OP_BOTTOM3 {
774 0x0: CMPXCHG(Eb,Gb);
775 0x1: CMPXCHG(Ev,Gv);
776 0x2: WarnUnimpl::lss_Gz_Mp();
777 0x3: BTR(Ev,Gv);
778 0x4: WarnUnimpl::lfs_Gz_Mp();
779 0x5: WarnUnimpl::lgs_Gz_Mp();
780 //The size of the second operand in these instructions
781 //should really be "b" or "w", but it's set to v in order
782 //to have a consistent register size. This shouldn't
783 //affect behavior.
784 0x6: MOVZX_B(Gv,Ev);
785 0x7: MOVZX_W(Gv,Ev);
786 }
787 0x17: decode OPCODE_OP_BOTTOM3 {
788 0x0: decode LEGACY_REP {
789 0x0: WarnUnimpl::jmpe_Jz();
790 0x1: WarnUnimpl::popcnt_Gv_Ev();
791 }
792 //0x1: group10_UD2();
793 0x1: UD2();
794 //0x2: group8_Ev_Ib();
795 0x2: decode MODRM_REG {
796 0x4: BT(Ev,Ib);
797 0x5: BTS(Ev,Ib);
798 0x6: BTR(Ev,Ib);
799 0x7: BTC(Ev,Ib);
800 default: UD2();
801 }
802 0x3: BTC(Ev,Gv);
803 0x4: BSF(Gv,Ev);
804 0x5: BSR(Gv,Ev);
805 //The size of the second operand in these instructions
806 //should really be "b" or "w", but it's set to v in order
807 //to have a consistent register size. This shouldn't
808 //affect behavior.
809 0x6: MOVSX_B(Gv,Ev);
810 0x7: MOVSX_W(Gv,Ev);
811 }
812 0x18: decode OPCODE_OP_BOTTOM3 {
813 0x0: XADD(Eb,Gb);
814 0x1: XADD(Ev,Gv);
815 //0x7: group9();
816 0x7: decode MODRM_REG {
817 //Also CMPXCHG16B
818 0x1: CMPXCHG8B(Mdp);
819 0x6: decode LEGACY_OP {
820 0x1: WarnUnimpl::vmclear_Mq();
821 default: decode LEGACY_REP {
822 0x1: WarnUnimpl::vmxon_Mq();
823 0x0: WarnUnimpl::vmptrld_Mq();
824 }
825 }
826 0x7: WarnUnimpl::vmptrst_Mq();
827 default: UD2();
828 }
829 default: decode LEGACY_DECODEVAL {
830 // no prefix
831 0x0: decode OPCODE_OP_BOTTOM3 {
832 0x2: CMPPS(Vo,Wo,Ib);
833 0x3: MOVNTI(Mdp,Gdp);
834 0x4: PINSRW(Pq,Ew,Ib);
835 0x5: PEXTRW(Gd,PRq,Ib);
836 0x6: SHUFPS(Vps,Wps,Ib);
837 }
838 // repe (0xF3)
839 0x4: decode OPCODE_OP_BOTTOM3 {
840 0x2: CMPSS(Vd,Wd,Ib);
841 default: UD2();
842 }
843 // operand size (0x66)
844 0x1: decode OPCODE_OP_BOTTOM3 {
845 0x2: CMPPD(Vo,Wo,Ib);
846 0x4: PINSRW(Vdw,Ew,Ib);
847 0x5: PEXTRW(Gd,VRdq,Ib);
848 0x6: SHUFPD(Vpd,Wpd,Ib);
849 default: UD2();
850 }
851 // repne (0xF2)
852 0x8: decode OPCODE_OP_BOTTOM3 {
853 0x2: CMPSD(Vq,Wq,Ib);
854 default: UD2();
855 }
856 default: UD2();
857 }
858 }
859 0x19: decode OPSIZE {
860 4: BSWAP_D(Bd);
861 8: BSWAP_Q(Bq);
862 default: UD2();
863 }
864 0x1A: decode LEGACY_DECODEVAL {
865 // no prefix
866 0x0: decode OPCODE_OP_BOTTOM3 {
867 0x1: PSRLW(Pq,Qq);
868 0x2: PSRLD(Pq,Qq);
869 0x3: PSRLQ(Pq,Qq);
870 0x4: PADDQ(Pq,Qq);
871 0x5: PMULLW(Pq,Qq);
872 0x7: PMOVMSKB(Gd,PRq);
873 default: UD2();
874 }
875 // repe (0xF3)
876 0x4: decode OPCODE_OP_BOTTOM3 {
877 0x6: MOVQ2DQ(Vo,PRq);
878 default: UD2();
879 }
880 // operand size (0x66)
881 0x1: decode OPCODE_OP_BOTTOM3 {
882 0x0: WarnUnimpl::addsubpd_Vo_Wo();
883 0x1: PSRLW(Vo,Wo);
884 0x2: PSRLD(Vo,Wo);
885 0x3: PSRLQ(Vo,Wo);
886 0x4: PADDQ(Vo,Wo);
887 0x5: PMULLW(Vo,Wo);
888 0x6: MOVQ(Wq,Vq);
889 0x7: PMOVMSKB(Gd,VRo);
890 }
891 // repne (0xF2)
892 0x8: decode OPCODE_OP_BOTTOM3 {
893 0x0: WarnUnimpl::addsubps_Vo_Wo();
894 0x6: MOVDQ2Q(Pq,VRq);
895 default: UD2();
896 }
897 default: UD2();
898 }
899 0x1B: decode LEGACY_DECODEVAL {
900 // no prefix
901 0x0: decode OPCODE_OP_BOTTOM3 {
902 0x0: PSUBUSB(Pq,Qq);
903 0x1: PSUBUSW(Pq,Qq);
904 0x2: PMINUB(Pq,Qq);
905 0x3: PAND(Pq,Qq);
906 0x4: PADDUSB(Pq,Qq);
907 0x5: PADDUSW(Pq,Qq);
908 0x6: PMAXUB(Pq,Qq);
909 0x7: PANDN(Pq,Qq);
910 }
911 // operand size (0x66)
912 0x1: decode OPCODE_OP_BOTTOM3 {
913 0x0: PSUBUSB(Vo,Wo);
914 0x1: PSUBUSW(Vo,Wo);
915 0x2: PMINUB(Vo,Wo);
916 0x3: PAND(Vo,Wo);
917 0x4: PADDUSB(Vo,Wo);
918 0x5: PADDUSW(Vo,Wo);
919 0x6: PMAXUB(Vo,Wo);
920 0x7: PANDN(Vo,Wo);
921 }
922 default: UD2();
923 }
924 0x1C: decode LEGACY_DECODEVAL {
925 // no prefix
926 0x0: decode OPCODE_OP_BOTTOM3 {
927 0x0: PAVGB(Pq,Qq);
928 0x1: PSRAW(Pq,Qq);
929 0x2: PSRAD(Pq,Qq);
930 0x3: PAVGW(Pq,Qq);
931 0x4: PMULHUW(Pq,Qq);
932 0x5: PMULHW(Pq,Qq);
933 0x7: WarnUnimpl::movntq_Mq_Pq();
934 default: UD2();
935 }
936 // repe (0xF3)
937 0x4: decode OPCODE_OP_BOTTOM3 {
938 0x6: CVTDQ2PD(Vo,Wq);
939 default: UD2();
940 }
941 // operand size (0x66)
942 0x1: decode OPCODE_OP_BOTTOM3 {
943 0x0: PAVGB(Vo,Wo);
944 0x1: PSRAW(Vo,Wo);
945 0x2: PSRAD(Vo,Wo);
946 0x3: PAVGW(Vo,Wo);
947 0x4: PMULHUW(Vo,Wo);
948 0x5: PMULHW(Vo,Wo);
949 0x6: CVTTPD2DQ(Vo,Wo);
950 0x7: WarnUnimpl::movntdq_Mo_Vo();
951 }
952 // repne (0xF2)
953 0x8: decode OPCODE_OP_BOTTOM3 {
954 0x6: CVTPD2DQ(Vo,Wo);
955 default: UD2();
956 }
957 default: UD2();
958 }
959 0x1D: decode LEGACY_DECODEVAL {
960 // no prefix
961 0x0: decode OPCODE_OP_BOTTOM3 {
962 0x0: PSUBSB(Pq,Qq);
963 0x1: PSUBSW(Pq,Qq);
964 0x2: PMINSW(Pq,Qq);
965 0x3: POR(Pq,Qq);
966 0x4: PADDSB(Pq,Qq);
967 0x5: PADDSW(Pq,Qq);
968 0x6: PMAXSW(Pq,Qq);
969 0x7: PXOR(Pq,Qq);
970 }
971 // operand size (0x66)
972 0x1: decode OPCODE_OP_BOTTOM3 {
973 0x0: PSUBSB(Vo,Wo);
974 0x1: PSUBSW(Vo,Wo);
975 0x2: PMINSW(Vo,Wo);
976 0x3: POR(Vo,Wo);
977 0x4: PADDSB(Vo,Wo);
978 0x5: PADDSW(Vo,Wo);
979 0x6: PMAXSW(Vo,Wo);
980 0x7: PXOR(Vo,Wo);
981 }
982 default: UD2();
983 }
984 0x1E: decode LEGACY_DECODEVAL {
985 // no prefix
986 0x0: decode OPCODE_OP_BOTTOM3 {
987 0x1: PSLLW(Pq,Qq);
988 0x2: PSLLD(Pq,Qq);
989 0x3: PSLLQ(Pq,Qq);
990 0x4: PMULUDQ(Pq,Qq);
991 0x5: PMADDWD(Pq,Qq);
992 0x6: PSADBW(Pq,Qq);
993 0x7: MASKMOVQ(Pq,PRq);
994 default: UD2();
995 }
996 // operand size (0x66)
997 0x1: decode OPCODE_OP_BOTTOM3 {
998 0x1: PSLLW(Vo,Wo);
999 0x2: PSLLD(Vo,Wo);
1000 0x3: PSLLQ(Vo,Wo);
1001 0x4: PMULUDQ(Vo,Wo);
1002 0x5: PMADDWD(Vo,Wo);
1003 0x6: PSADBW(Vo,Wo);
1004 0x7: MASKMOVDQU(Vo,VRo);
1005 default: UD2();
1006 }
1007 // repne (0xF2)
1008 0x8: decode OPCODE_OP_BOTTOM3 {
1009 0x0: WarnUnimpl::lddqu_Vo_Mo();
1010 default: UD2();
1011 }
1012 default: UD2();
1013 }
1014 0x1F: decode LEGACY_DECODEVAL {
1015 // no prefix
1016 0x0: decode OPCODE_OP_BOTTOM3 {
1017 0x0: PSUBB(Pq,Qq);
1018 0x1: PSUBW(Pq,Qq);
1019 0x2: PSUBD(Pq,Qq);
1020 0x3: PSUBQ(Pq,Qq);
1021 0x4: PADDB(Pq,Qq);
1022 0x5: PADDW(Pq,Qq);
1023 0x6: PADDD(Pq,Qq);
1024 0x7: UD2();
1025 }
1026 // operand size (0x66)
1027 0x1: decode OPCODE_OP_BOTTOM3 {
1028 0x0: PSUBB(Vo,Wo);
1029 0x1: PSUBW(Vo,Wo);
1030 0x2: PSUBD(Vo,Wo);
1031 0x3: PSUBQ(Vo,Wo);
1032 0x4: PADDB(Vo,Wo);
1033 0x5: PADDW(Vo,Wo);
1034 0x6: PADDD(Vo,Wo);
1035 0x7: UD2();
1036 }
1037 default: UD2();
1038 }
1039 }
1040 default: FailUnimpl::twoByteOps();
1041 }
1042 }
1043 default: M5InternalError::error(
1044 {{"Unexpected first opcode byte in two byte opcode!"}});
1045}