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 0x01: group7();
66 0x02: lar_Gv_Ew();
67 0x03: lsl_Gv_Ew();
68 //sandpile.org doesn't seem to know what this is... ?
69 0x04: loadall_or_reset_or_hang();
70#if FULL_SYSTEM
71 0x05: syscall();
72#else
| 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 0x01: group7();
66 0x02: lar_Gv_Ew();
67 0x03: lsl_Gv_Ew();
68 //sandpile.org doesn't seem to know what this is... ?
69 0x04: loadall_or_reset_or_hang();
70#if FULL_SYSTEM
71 0x05: syscall();
72#else
|
74#endif
75 0x06: clts();
76 //sandpile.org says (AMD) after sysret, so I might want to check
77 //if that means amd64 or AMD machines
78 0x07: loadall_or_sysret();
79 }
80 0x01: decode OPCODE_OP_BOTTOM3 {
81 0x0: invd();
82 0x1: wbinvd();
83 0x2: Inst::UD2();
84 0x3: Inst::UD2();
85 0x4: Inst::UD2();
86 0x5: threednow();
87 0x6: threednow();
88 0x7: threednow();
89 }
90 0x02: decode LEGACY_DECODEVAL {
91 // no prefix
92 0x0: decode OPCODE_OP_BOTTOM3 {
93 0x0: holder();
94 0x1: holder();
95 0x2: holder();
96 0x3: holder();
97 0x4: holder();
98 0x5: holder();
99 0x6: holder();
100 0x7: holder();
101 }
102 // repe (0xF3)
103 0x4: decode OPCODE_OP_BOTTOM3 {
104 0x0: holder();
105 0x1: holder();
106 0x2: holder();
107 0x3: holder();
108 0x4: holder();
109 0x5: holder();
110 0x6: holder();
111 0x7: holder();
112 }
113 // operand size (0x66)
114 0x1: decode OPCODE_OP_BOTTOM3 {
115 0x0: holder();
116 0x1: holder();
117 0x2: holder();
118 0x3: holder();
119 0x4: holder();
120 0x5: holder();
121 0x6: holder();
122 0x7: holder();
123 }
124 // repne (0xF2)
125 0x8: decode OPCODE_OP_BOTTOM3 {
126 0x0: holder();
127 0x1: holder();
128 0x2: holder();
129 0x3: holder();
130 0x4: holder();
131 0x5: holder();
132 0x6: holder();
133 0x7: holder();
134 }
135 default: Inst::UD2();
136 }
137 0x03: decode OPCODE_OP_BOTTOM3 {
138 0x0: group17();
139 0x1: group17();
140 0x2: group17();
141 0x3: group17();
142 0x4: group17();
143 0x5: group17();
144 0x6: group17();
145 0x7: group17();
146 }
147 0x04: decode OPCODE_OP_BOTTOM3 {
148 0x0: holder();
149 0x1: holder();
150 0x2: holder();
151 0x3: holder();
152 0x4: holder();
153 0x5: holder();
154 0x6: holder();
155 0x7: holder();
156 }
157 0x05: decode OPCODE_OP_BOTTOM3 {
158 0x0: holder();
159 0x1: holder();
160 0x2: holder();
161 0x3: holder();
162 0x4: holder();
163 0x5: holder();
164 0x6: holder();
165 0x7: holder();
166 }
167 0x06: decode OPCODE_OP_BOTTOM3 {
168 0x0: wrmsr();
169 0x1: rdtsc();
170 0x2: rdmsr();
171 0x3: rdpmc();
172 0x4: sysenter();
173 0x5: sysexit();
174 0x6: Inst::UD2();
175 0x7: getsec();
176 }
177 0x07: decode OPCODE_OP_BOTTOM3 {
178 0x0: three_byte_opcode();
179 0x1: three_byte_opcode();
180 0x2: three_byte_opcode();
181 0x3: three_byte_opcode();
182 0x4: three_byte_opcode();
183 0x5: three_byte_opcode();
184 0x6: three_byte_opcode();
185 0x7: three_byte_opcode();
186 }
187 format Inst {
188 0x08: decode OPCODE_OP_BOTTOM3 {
189 0x0: CMOVO(Gv,Ev);
190 0x1: CMOVNO(Gv,Ev);
191 0x2: CMOVB(Gv,Ev);
192 0x3: CMOVNB(Gv,Ev);
193 0x4: CMOVZ(Gv,Ev);
194 0x5: CMOVNZ(Gv,Ev);
195 0x6: CMOVBE(Gv,Ev);
196 0x7: CMOVNBE(Gv,Ev);
197 }
198 0x09: decode OPCODE_OP_BOTTOM3 {
199 0x0: CMOVS(Gv,Ev);
200 0x1: CMOVNS(Gv,Ev);
201 0x2: CMOVP(Gv,Ev);
202 0x3: CMOVNP(Gv,Ev);
203 0x4: CMOVL(Gv,Ev);
204 0x5: CMOVNL(Gv,Ev);
205 0x6: CMOVLE(Gv,Ev);
206 0x7: CMOVNLE(Gv,Ev);
207 }
208 }
209 0x0A: decode OPCODE_OP_BOTTOM3 {
210 0x0: holder();
211 0x1: holder();
212 0x2: holder();
213 0x3: holder();
214 0x4: holder();
215 0x5: holder();
216 0x6: holder();
217 0x7: holder();
218 }
219 0x0B: decode OPCODE_OP_BOTTOM3 {
220 0x0: holder();
221 0x1: holder();
222 0x2: holder();
223 0x3: holder();
224 0x4: holder();
225 0x5: holder();
226 0x6: holder();
227 0x7: holder();
228 }
229 0x0C: decode OPCODE_OP_BOTTOM3 {
230 0x0: holder();
231 0x1: holder();
232 0x2: holder();
233 0x3: holder();
234 0x4: holder();
235 0x5: holder();
236 0x6: holder();
237 0x7: holder();
238 }
239 0x0D: decode OPCODE_OP_BOTTOM3 {
240 0x0: holder();
241 0x1: holder();
242 0x2: holder();
243 0x3: holder();
244 0x4: holder();
245 0x5: holder();
246 0x6: holder();
247 0x7: holder();
248 }
249 0x0E: decode OPCODE_OP_BOTTOM3 {
250 0x0: holder();
251 0x1: holder();
252 0x2: holder();
253 0x3: holder();
254 0x4: holder();
255 0x5: holder();
256 0x6: holder();
257 0x7: holder();
258 }
259 0x0F: decode OPCODE_OP_BOTTOM3 {
260 0x0: holder();
261 0x1: holder();
262 0x2: holder();
263 0x3: holder();
264 0x4: holder();
265 0x5: holder();
266 0x6: holder();
267 0x7: holder();
268 }
269 format Inst {
270 0x10: decode OPCODE_OP_BOTTOM3 {
271 0x0: JO(Jz);
272 0x1: JNO(Jz);
273 0x2: JB(Jz);
274 0x3: JNB(Jz);
275 0x4: JZ(Jz);
276 0x5: JNZ(Jz);
277 0x6: JBE(Jz);
278 0x7: JNBE(Jz);
279 }
280 0x11: decode OPCODE_OP_BOTTOM3 {
281 0x0: JS(Jz);
282 0x1: JNS(Jz);
283 0x2: JP(Jz);
284 0x3: JNP(Jz);
285 0x4: JL(Jz);
286 0x5: JNL(Jz);
287 0x6: JLE(Jz);
288 0x7: JNLE(Jz);
289 }
290 0x12: decode OPCODE_OP_BOTTOM3 {
291 0x0: SETO(Eb);
292 0x1: SETNO(Eb);
293 0x2: SETB(Eb);
294 0x3: SETNB(Eb);
295 0x4: SETZ(Eb);
296 0x5: SETNZ(Eb);
297 0x6: SETBE(Eb);
298 0x7: SETNBE(Eb);
299 }
300 0x13: decode OPCODE_OP_BOTTOM3 {
301 0x0: SETS(Eb);
302 0x1: SETNS(Eb);
303 0x2: SETP(Eb);
304 0x3: SETNP(Eb);
305 0x4: SETL(Eb);
306 0x5: SETNL(Eb);
307 0x6: SETLE(Eb);
308 0x7: SETNLE(Eb);
309 }
310 }
311 0x14: decode OPCODE_OP_BOTTOM3 {
312 0x0: push_fs();
313 0x1: pop_fs();
314 0x2: Inst::CPUID(rAd);
315 0x3: bt_Ev_Gv();
316 0x4: shld_Ev_Gv_Ib();
317 0x5: shld_Ev_Gv_rCl();
318 0x6: xbts_and_cmpxchg();
319 0x7: ibts_and_cmpxchg();
320 }
321 0x15: decode OPCODE_OP_BOTTOM3 {
322 0x0: push_gs();
323 0x1: pop_gs();
324 0x2: rsm_smm();
325 0x3: bts_Ev_Gv();
326 0x4: shrd_Ev_Gv_Ib();
327 0x5: shrd_Ev_Gv_rCl();
328 0x6: group16();
329 0x7: Inst::IMUL(Gv,Ev);
330 }
331 0x16: decode OPCODE_OP_BOTTOM3 {
332 0x0: cmpxchg_Eb_Gb();
333 0x1: cmpxchg_Ev_Gv();
334 0x2: lss_Gz_Mp();
335 0x3: btr_Ev_Gv();
336 0x4: lfs_Gz_Mp();
337 0x5: lgs_Gz_Mp();
338 //The size of the second operand in these instructions should
339 //really be "b" or "w", but it's set to v in order to have a
340 //consistent register size. This shouldn't affect behavior.
341 0x6: Inst::MOVZX_B(Gv,Ev);
342 0x7: Inst::MOVZX_W(Gv,Ev);
343 }
344 0x17: decode OPCODE_OP_BOTTOM3 {
345 0x0: jmpe_Jz(); // IA-64?
346 0x1: group11_UD2();
347 0x2: group8_Ev_Ib();
348 0x3: btc_Ev_Gv();
349 0x4: bsf_Gv_Ev();
350 0x5: bsr_Gv_Ev();
351 //The size of the second operand in these instructions should
352 //really be "b" or "w", but it's set to v in order to have a
353 //consistent register size. This shouldn't affect behavior.
354 0x6: Inst::MOVSX_B(Gv,Ev);
355 0x7: Inst::MOVSX_W(Gv,Ev);
356 }
357 0x18: decode OPCODE_OP_BOTTOM3 {
358 0x0: holder();
359 0x1: holder();
360 0x2: holder();
361 0x3: holder();
362 0x4: holder();
363 0x5: holder();
364 0x6: holder();
365 0x7: holder();
366 }
367 0x19: bswap_B();
368 0x1A: decode OPCODE_OP_BOTTOM3 {
369 0x0: holder();
370 0x1: holder();
371 0x2: holder();
372 0x3: holder();
373 0x4: holder();
374 0x5: holder();
375 0x6: holder();
376 0x7: holder();
377 }
378 0x1B: decode OPCODE_OP_BOTTOM3 {
379 0x0: holder();
380 0x1: holder();
381 0x2: holder();
382 0x3: holder();
383 0x4: holder();
384 0x5: holder();
385 0x6: holder();
386 0x7: holder();
387 }
388 0x1C: decode OPCODE_OP_BOTTOM3 {
389 0x0: holder();
390 0x1: holder();
391 0x2: holder();
392 0x3: holder();
393 0x4: holder();
394 0x5: holder();
395 0x6: holder();
396 0x7: holder();
397 }
398 0x1D: decode OPCODE_OP_BOTTOM3 {
399 0x0: holder();
400 0x1: holder();
401 0x2: holder();
402 0x3: holder();
403 0x4: holder();
404 0x5: holder();
405 0x6: holder();
406 0x7: holder();
407 }
408 0x1E: decode OPCODE_OP_BOTTOM3 {
409 0x0: holder();
410 0x1: holder();
411 0x2: holder();
412 0x3: holder();
413 0x4: holder();
414 0x5: holder();
415 0x6: holder();
416 0x7: holder();
417 }
418 0x1F: decode OPCODE_OP_BOTTOM3 {
419 0x0: holder();
420 0x1: holder();
421 0x2: holder();
422 0x3: holder();
423 0x4: holder();
424 0x5: holder();
425 0x6: holder();
426 0x7: holder();
427 }
428 default: FailUnimpl::twoByteOps();
429 }
430 }
431 default: M5InternalError::error(
432 {{"Unexpected first opcode byte in two byte opcode!"}});
433}
| 74#endif
75 0x06: clts();
76 //sandpile.org says (AMD) after sysret, so I might want to check
77 //if that means amd64 or AMD machines
78 0x07: loadall_or_sysret();
79 }
80 0x01: decode OPCODE_OP_BOTTOM3 {
81 0x0: invd();
82 0x1: wbinvd();
83 0x2: Inst::UD2();
84 0x3: Inst::UD2();
85 0x4: Inst::UD2();
86 0x5: threednow();
87 0x6: threednow();
88 0x7: threednow();
89 }
90 0x02: decode LEGACY_DECODEVAL {
91 // no prefix
92 0x0: decode OPCODE_OP_BOTTOM3 {
93 0x0: holder();
94 0x1: holder();
95 0x2: holder();
96 0x3: holder();
97 0x4: holder();
98 0x5: holder();
99 0x6: holder();
100 0x7: holder();
101 }
102 // repe (0xF3)
103 0x4: decode OPCODE_OP_BOTTOM3 {
104 0x0: holder();
105 0x1: holder();
106 0x2: holder();
107 0x3: holder();
108 0x4: holder();
109 0x5: holder();
110 0x6: holder();
111 0x7: holder();
112 }
113 // operand size (0x66)
114 0x1: decode OPCODE_OP_BOTTOM3 {
115 0x0: holder();
116 0x1: holder();
117 0x2: holder();
118 0x3: holder();
119 0x4: holder();
120 0x5: holder();
121 0x6: holder();
122 0x7: holder();
123 }
124 // repne (0xF2)
125 0x8: decode OPCODE_OP_BOTTOM3 {
126 0x0: holder();
127 0x1: holder();
128 0x2: holder();
129 0x3: holder();
130 0x4: holder();
131 0x5: holder();
132 0x6: holder();
133 0x7: holder();
134 }
135 default: Inst::UD2();
136 }
137 0x03: decode OPCODE_OP_BOTTOM3 {
138 0x0: group17();
139 0x1: group17();
140 0x2: group17();
141 0x3: group17();
142 0x4: group17();
143 0x5: group17();
144 0x6: group17();
145 0x7: group17();
146 }
147 0x04: decode OPCODE_OP_BOTTOM3 {
148 0x0: holder();
149 0x1: holder();
150 0x2: holder();
151 0x3: holder();
152 0x4: holder();
153 0x5: holder();
154 0x6: holder();
155 0x7: holder();
156 }
157 0x05: decode OPCODE_OP_BOTTOM3 {
158 0x0: holder();
159 0x1: holder();
160 0x2: holder();
161 0x3: holder();
162 0x4: holder();
163 0x5: holder();
164 0x6: holder();
165 0x7: holder();
166 }
167 0x06: decode OPCODE_OP_BOTTOM3 {
168 0x0: wrmsr();
169 0x1: rdtsc();
170 0x2: rdmsr();
171 0x3: rdpmc();
172 0x4: sysenter();
173 0x5: sysexit();
174 0x6: Inst::UD2();
175 0x7: getsec();
176 }
177 0x07: decode OPCODE_OP_BOTTOM3 {
178 0x0: three_byte_opcode();
179 0x1: three_byte_opcode();
180 0x2: three_byte_opcode();
181 0x3: three_byte_opcode();
182 0x4: three_byte_opcode();
183 0x5: three_byte_opcode();
184 0x6: three_byte_opcode();
185 0x7: three_byte_opcode();
186 }
187 format Inst {
188 0x08: decode OPCODE_OP_BOTTOM3 {
189 0x0: CMOVO(Gv,Ev);
190 0x1: CMOVNO(Gv,Ev);
191 0x2: CMOVB(Gv,Ev);
192 0x3: CMOVNB(Gv,Ev);
193 0x4: CMOVZ(Gv,Ev);
194 0x5: CMOVNZ(Gv,Ev);
195 0x6: CMOVBE(Gv,Ev);
196 0x7: CMOVNBE(Gv,Ev);
197 }
198 0x09: decode OPCODE_OP_BOTTOM3 {
199 0x0: CMOVS(Gv,Ev);
200 0x1: CMOVNS(Gv,Ev);
201 0x2: CMOVP(Gv,Ev);
202 0x3: CMOVNP(Gv,Ev);
203 0x4: CMOVL(Gv,Ev);
204 0x5: CMOVNL(Gv,Ev);
205 0x6: CMOVLE(Gv,Ev);
206 0x7: CMOVNLE(Gv,Ev);
207 }
208 }
209 0x0A: decode OPCODE_OP_BOTTOM3 {
210 0x0: holder();
211 0x1: holder();
212 0x2: holder();
213 0x3: holder();
214 0x4: holder();
215 0x5: holder();
216 0x6: holder();
217 0x7: holder();
218 }
219 0x0B: decode OPCODE_OP_BOTTOM3 {
220 0x0: holder();
221 0x1: holder();
222 0x2: holder();
223 0x3: holder();
224 0x4: holder();
225 0x5: holder();
226 0x6: holder();
227 0x7: holder();
228 }
229 0x0C: decode OPCODE_OP_BOTTOM3 {
230 0x0: holder();
231 0x1: holder();
232 0x2: holder();
233 0x3: holder();
234 0x4: holder();
235 0x5: holder();
236 0x6: holder();
237 0x7: holder();
238 }
239 0x0D: decode OPCODE_OP_BOTTOM3 {
240 0x0: holder();
241 0x1: holder();
242 0x2: holder();
243 0x3: holder();
244 0x4: holder();
245 0x5: holder();
246 0x6: holder();
247 0x7: holder();
248 }
249 0x0E: decode OPCODE_OP_BOTTOM3 {
250 0x0: holder();
251 0x1: holder();
252 0x2: holder();
253 0x3: holder();
254 0x4: holder();
255 0x5: holder();
256 0x6: holder();
257 0x7: holder();
258 }
259 0x0F: decode OPCODE_OP_BOTTOM3 {
260 0x0: holder();
261 0x1: holder();
262 0x2: holder();
263 0x3: holder();
264 0x4: holder();
265 0x5: holder();
266 0x6: holder();
267 0x7: holder();
268 }
269 format Inst {
270 0x10: decode OPCODE_OP_BOTTOM3 {
271 0x0: JO(Jz);
272 0x1: JNO(Jz);
273 0x2: JB(Jz);
274 0x3: JNB(Jz);
275 0x4: JZ(Jz);
276 0x5: JNZ(Jz);
277 0x6: JBE(Jz);
278 0x7: JNBE(Jz);
279 }
280 0x11: decode OPCODE_OP_BOTTOM3 {
281 0x0: JS(Jz);
282 0x1: JNS(Jz);
283 0x2: JP(Jz);
284 0x3: JNP(Jz);
285 0x4: JL(Jz);
286 0x5: JNL(Jz);
287 0x6: JLE(Jz);
288 0x7: JNLE(Jz);
289 }
290 0x12: decode OPCODE_OP_BOTTOM3 {
291 0x0: SETO(Eb);
292 0x1: SETNO(Eb);
293 0x2: SETB(Eb);
294 0x3: SETNB(Eb);
295 0x4: SETZ(Eb);
296 0x5: SETNZ(Eb);
297 0x6: SETBE(Eb);
298 0x7: SETNBE(Eb);
299 }
300 0x13: decode OPCODE_OP_BOTTOM3 {
301 0x0: SETS(Eb);
302 0x1: SETNS(Eb);
303 0x2: SETP(Eb);
304 0x3: SETNP(Eb);
305 0x4: SETL(Eb);
306 0x5: SETNL(Eb);
307 0x6: SETLE(Eb);
308 0x7: SETNLE(Eb);
309 }
310 }
311 0x14: decode OPCODE_OP_BOTTOM3 {
312 0x0: push_fs();
313 0x1: pop_fs();
314 0x2: Inst::CPUID(rAd);
315 0x3: bt_Ev_Gv();
316 0x4: shld_Ev_Gv_Ib();
317 0x5: shld_Ev_Gv_rCl();
318 0x6: xbts_and_cmpxchg();
319 0x7: ibts_and_cmpxchg();
320 }
321 0x15: decode OPCODE_OP_BOTTOM3 {
322 0x0: push_gs();
323 0x1: pop_gs();
324 0x2: rsm_smm();
325 0x3: bts_Ev_Gv();
326 0x4: shrd_Ev_Gv_Ib();
327 0x5: shrd_Ev_Gv_rCl();
328 0x6: group16();
329 0x7: Inst::IMUL(Gv,Ev);
330 }
331 0x16: decode OPCODE_OP_BOTTOM3 {
332 0x0: cmpxchg_Eb_Gb();
333 0x1: cmpxchg_Ev_Gv();
334 0x2: lss_Gz_Mp();
335 0x3: btr_Ev_Gv();
336 0x4: lfs_Gz_Mp();
337 0x5: lgs_Gz_Mp();
338 //The size of the second operand in these instructions should
339 //really be "b" or "w", but it's set to v in order to have a
340 //consistent register size. This shouldn't affect behavior.
341 0x6: Inst::MOVZX_B(Gv,Ev);
342 0x7: Inst::MOVZX_W(Gv,Ev);
343 }
344 0x17: decode OPCODE_OP_BOTTOM3 {
345 0x0: jmpe_Jz(); // IA-64?
346 0x1: group11_UD2();
347 0x2: group8_Ev_Ib();
348 0x3: btc_Ev_Gv();
349 0x4: bsf_Gv_Ev();
350 0x5: bsr_Gv_Ev();
351 //The size of the second operand in these instructions should
352 //really be "b" or "w", but it's set to v in order to have a
353 //consistent register size. This shouldn't affect behavior.
354 0x6: Inst::MOVSX_B(Gv,Ev);
355 0x7: Inst::MOVSX_W(Gv,Ev);
356 }
357 0x18: decode OPCODE_OP_BOTTOM3 {
358 0x0: holder();
359 0x1: holder();
360 0x2: holder();
361 0x3: holder();
362 0x4: holder();
363 0x5: holder();
364 0x6: holder();
365 0x7: holder();
366 }
367 0x19: bswap_B();
368 0x1A: decode OPCODE_OP_BOTTOM3 {
369 0x0: holder();
370 0x1: holder();
371 0x2: holder();
372 0x3: holder();
373 0x4: holder();
374 0x5: holder();
375 0x6: holder();
376 0x7: holder();
377 }
378 0x1B: decode OPCODE_OP_BOTTOM3 {
379 0x0: holder();
380 0x1: holder();
381 0x2: holder();
382 0x3: holder();
383 0x4: holder();
384 0x5: holder();
385 0x6: holder();
386 0x7: holder();
387 }
388 0x1C: decode OPCODE_OP_BOTTOM3 {
389 0x0: holder();
390 0x1: holder();
391 0x2: holder();
392 0x3: holder();
393 0x4: holder();
394 0x5: holder();
395 0x6: holder();
396 0x7: holder();
397 }
398 0x1D: decode OPCODE_OP_BOTTOM3 {
399 0x0: holder();
400 0x1: holder();
401 0x2: holder();
402 0x3: holder();
403 0x4: holder();
404 0x5: holder();
405 0x6: holder();
406 0x7: holder();
407 }
408 0x1E: decode OPCODE_OP_BOTTOM3 {
409 0x0: holder();
410 0x1: holder();
411 0x2: holder();
412 0x3: holder();
413 0x4: holder();
414 0x5: holder();
415 0x6: holder();
416 0x7: holder();
417 }
418 0x1F: decode OPCODE_OP_BOTTOM3 {
419 0x0: holder();
420 0x1: holder();
421 0x2: holder();
422 0x3: holder();
423 0x4: holder();
424 0x5: holder();
425 0x6: holder();
426 0x7: holder();
427 }
428 default: FailUnimpl::twoByteOps();
429 }
430 }
431 default: M5InternalError::error(
432 {{"Unexpected first opcode byte in two byte opcode!"}});
433}
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