one_byte_opcodes.isa (4728:d60b98171bef) one_byte_opcodes.isa (4730:77e3e9b15e7e)
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 one byte opcodes
59//
60
610x1: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 0x6: decode MODE_SUBMODE {
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 one byte opcodes
59//
60
610x1: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 0x6: decode MODE_SUBMODE {
65 0x0: This_should_be_an_illegal_instruction();
65 0x0: Inst::UD2();
66 default: push_ES();
67 }
68 0x7: decode MODE_SUBMODE {
66 default: push_ES();
67 }
68 0x7: decode MODE_SUBMODE {
69 0x0: This_should_be_an_illegal_instruction();
69 0x0: Inst::UD2();
70 default: pop_ES();
71 }
72 default: MultiInst::ADD(OPCODE_OP_BOTTOM3,
73 [Eb,Gb], [Ev,Gv],
74 [Gb,Eb], [Gv,Ev],
75 [rAl,Ib], [rAx,Iz]);
76 }
77 0x01: decode OPCODE_OP_BOTTOM3 {
78 0x6: decode MODE_SUBMODE {
70 default: pop_ES();
71 }
72 default: MultiInst::ADD(OPCODE_OP_BOTTOM3,
73 [Eb,Gb], [Ev,Gv],
74 [Gb,Eb], [Gv,Ev],
75 [rAl,Ib], [rAx,Iz]);
76 }
77 0x01: decode OPCODE_OP_BOTTOM3 {
78 0x6: decode MODE_SUBMODE {
79 0x0: This_should_be_an_illegal_instruction();
79 0x0: Inst::UD2();
80 default: push_CS();
81 }
82 //Any time this is seen, it should generate a two byte opcode
83 0x7: M5InternalError::error(
84 {{"Saw a one byte opcode whose value was 0x0F!"}});
85 default: MultiInst::OR(OPCODE_OP_BOTTOM3,
86 [Eb,Gb], [Ev,Gv],
87 [Gb,Eb], [Gv,Ev],
88 [rAl,Ib], [rAx,Iz]);
89 }
90 0x02: decode OPCODE_OP_BOTTOM3 {
91 0x6: decode MODE_SUBMODE {
80 default: push_CS();
81 }
82 //Any time this is seen, it should generate a two byte opcode
83 0x7: M5InternalError::error(
84 {{"Saw a one byte opcode whose value was 0x0F!"}});
85 default: MultiInst::OR(OPCODE_OP_BOTTOM3,
86 [Eb,Gb], [Ev,Gv],
87 [Gb,Eb], [Gv,Ev],
88 [rAl,Ib], [rAx,Iz]);
89 }
90 0x02: decode OPCODE_OP_BOTTOM3 {
91 0x6: decode MODE_SUBMODE {
92 0x0: This_should_be_an_illegal_instruction();
92 0x0: Inst::UD2();
93 default: push_SS();
94 }
95 0x7: decode MODE_SUBMODE {
93 default: push_SS();
94 }
95 0x7: decode MODE_SUBMODE {
96 0x0: This_should_be_an_illegal_instruction();
96 0x0: Inst::UD2();
97 default: pop_SS();
98 }
99 default: MultiInst::ADC(OPCODE_OP_BOTTOM3,
100 [Eb,Gb], [Ev,Gv],
101 [Gb,Eb], [Gv,Ev],
102 [rAl,Ib], [rAx,Iz]);
103 }
104 0x03: decode OPCODE_OP_BOTTOM3 {
105 0x6: decode MODE_SUBMODE {
97 default: pop_SS();
98 }
99 default: MultiInst::ADC(OPCODE_OP_BOTTOM3,
100 [Eb,Gb], [Ev,Gv],
101 [Gb,Eb], [Gv,Ev],
102 [rAl,Ib], [rAx,Iz]);
103 }
104 0x03: decode OPCODE_OP_BOTTOM3 {
105 0x6: decode MODE_SUBMODE {
106 0x0: This_should_be_an_illegal_instruction();
106 0x0: Inst::UD2();
107 default: push_DS();
108 }
109 0x7: decode MODE_SUBMODE {
107 default: push_DS();
108 }
109 0x7: decode MODE_SUBMODE {
110 0x0: This_should_be_an_illegal_instruction();
110 0x0: Inst::UD2();
111 default: pop_DS();
112 }
113 default: MultiInst::SBB(OPCODE_OP_BOTTOM3,
114 [Eb,Gb], [Ev,Gv],
115 [Gb,Eb], [Gv,Ev],
116 [rAl,Ib], [rAx,Iz]);
117 }
118 0x04: decode OPCODE_OP_BOTTOM3 {
119 0x6: M5InternalError::error(
120 {{"Tried to execute the ES segment override prefix!"}});
121 0x7: decode MODE_SUBMODE {
111 default: pop_DS();
112 }
113 default: MultiInst::SBB(OPCODE_OP_BOTTOM3,
114 [Eb,Gb], [Ev,Gv],
115 [Gb,Eb], [Gv,Ev],
116 [rAl,Ib], [rAx,Iz]);
117 }
118 0x04: decode OPCODE_OP_BOTTOM3 {
119 0x6: M5InternalError::error(
120 {{"Tried to execute the ES segment override prefix!"}});
121 0x7: decode MODE_SUBMODE {
122 0x0: This_should_be_an_illegal_instruction();
122 0x0: Inst::UD2();
123 default: daa();
124 }
125 default: MultiInst::AND(OPCODE_OP_BOTTOM3,
126 [Eb,Gb], [Ev,Gv],
127 [Gb,Eb], [Gv,Ev],
128 [rAl,Ib], [rAx,Iz]);
129 }
130 0x05: decode OPCODE_OP_BOTTOM3 {
131 0x6: M5InternalError::error(
132 {{"Tried to execute the CS segment override prefix!"}});
133 0x7: das();
134 default: MultiInst::SUB(OPCODE_OP_BOTTOM3,
135 [Eb,Gb], [Ev,Gv],
136 [Gb,Eb], [Gv,Ev],
137 [rAl,Ib], [rAx,Iz]);
138 }
139 0x06: decode OPCODE_OP_BOTTOM3 {
140 0x6: M5InternalError::error(
141 {{"Tried to execute the SS segment override prefix!"}});
142 0x7: decode MODE_SUBMODE {
123 default: daa();
124 }
125 default: MultiInst::AND(OPCODE_OP_BOTTOM3,
126 [Eb,Gb], [Ev,Gv],
127 [Gb,Eb], [Gv,Ev],
128 [rAl,Ib], [rAx,Iz]);
129 }
130 0x05: decode OPCODE_OP_BOTTOM3 {
131 0x6: M5InternalError::error(
132 {{"Tried to execute the CS segment override prefix!"}});
133 0x7: das();
134 default: MultiInst::SUB(OPCODE_OP_BOTTOM3,
135 [Eb,Gb], [Ev,Gv],
136 [Gb,Eb], [Gv,Ev],
137 [rAl,Ib], [rAx,Iz]);
138 }
139 0x06: decode OPCODE_OP_BOTTOM3 {
140 0x6: M5InternalError::error(
141 {{"Tried to execute the SS segment override prefix!"}});
142 0x7: decode MODE_SUBMODE {
143 0x0: This_should_be_an_illegal_instruction();
143 0x0: Inst::UD2();
144 default: aaa();
145 }
146 default: MultiInst::XOR(OPCODE_OP_BOTTOM3,
147 [Eb,Gb], [Ev,Gv],
148 [Gb,Eb], [Gv,Ev],
149 [rAl,Ib], [rAx,Iz]);
150 }
151 0x07: decode OPCODE_OP_BOTTOM3 {
152 0x6: M5InternalError::error(
153 {{"Tried to execute the DS segment override prefix!"}});
154 0x7: decode MODE_SUBMODE {
144 default: aaa();
145 }
146 default: MultiInst::XOR(OPCODE_OP_BOTTOM3,
147 [Eb,Gb], [Ev,Gv],
148 [Gb,Eb], [Gv,Ev],
149 [rAl,Ib], [rAx,Iz]);
150 }
151 0x07: decode OPCODE_OP_BOTTOM3 {
152 0x6: M5InternalError::error(
153 {{"Tried to execute the DS segment override prefix!"}});
154 0x7: decode MODE_SUBMODE {
155 0x0: This_should_be_an_illegal_instruction();
155 0x0: Inst::UD2();
156 default: aas();
157 }
158 default: MultiInst::CMP(OPCODE_OP_BOTTOM3,
159 [Eb,Gb], [Ev,Gv],
160 [Gb,Eb], [Gv,Ev],
161 [rAl,Ib], [rAx,Iz]);
162 }
163 0x08: decode MODE_SUBMODE {
164 0x0: M5InternalError::error (
165 {{"Tried to execute an REX prefix!"}});
166 default: Inst::INC(B);
167 }
168 0x09: decode MODE_SUBMODE {
169 0x0: M5InternalError::error (
170 {{"Tried to execute an REX prefix!"}});
171 default: Inst::DEC(B);
172 }
173 format Inst {
174 0x0A: PUSH(B);
175 0x0B: POP(B);
176 }
177 0x0C: decode OPCODE_OP_BOTTOM3 {
178 0x0: decode MODE_SUBMODE {
156 default: aas();
157 }
158 default: MultiInst::CMP(OPCODE_OP_BOTTOM3,
159 [Eb,Gb], [Ev,Gv],
160 [Gb,Eb], [Gv,Ev],
161 [rAl,Ib], [rAx,Iz]);
162 }
163 0x08: decode MODE_SUBMODE {
164 0x0: M5InternalError::error (
165 {{"Tried to execute an REX prefix!"}});
166 default: Inst::INC(B);
167 }
168 0x09: decode MODE_SUBMODE {
169 0x0: M5InternalError::error (
170 {{"Tried to execute an REX prefix!"}});
171 default: Inst::DEC(B);
172 }
173 format Inst {
174 0x0A: PUSH(B);
175 0x0B: POP(B);
176 }
177 0x0C: decode OPCODE_OP_BOTTOM3 {
178 0x0: decode MODE_SUBMODE {
179 0x0: This_should_be_an_illegal_instruction();
179 0x0: Inst::UD2();
180 default: pusha();
181 }
182 0x1: decode MODE_SUBMODE {
180 default: pusha();
181 }
182 0x1: decode MODE_SUBMODE {
183 0x0: This_should_be_an_illegal_instruction();
183 0x0: Inst::UD2();
184 default: popa();
185 }
186 0x2: decode MODE_SUBMODE {
184 default: popa();
185 }
186 0x2: decode MODE_SUBMODE {
187 0x0: This_should_be_an_illegal_instruction();
187 0x0: Inst::UD2();
188 default: bound_Gv_Ma();
189 }
190 0x3: decode MODE_SUBMODE {
191 0x0: Inst::MOVSXD(Gv,Ed);
192 default: arpl_Ew_Gw();
193 }
194 0x4: M5InternalError::error(
195 {{"Tried to execute the FS segment override prefix!"}});
196 0x5: M5InternalError::error(
197 {{"Tried to execute the GS segment override prefix!"}});
198 0x6: M5InternalError::error(
199 {{"Tried to execute the operand size override prefix!"}});
200 0x7: M5InternalError::error(
201 {{"Tried to execute the DS address size override prefix!"}});
202 }
203 0x0D: decode OPCODE_OP_BOTTOM3 {
204 0x0: push_Iz();
205 0x1: imul_Gv_Ev_Iz();
206 0x2: push_Ib();
207 0x3: imul_Gv_Ev_Ib();
208 0x4: ins_Yb_Dx();
209 0x5: ins_Yz_Dx();
210 0x6: outs_Dx_Xb();
211 0x7: outs_Dx_Xz();
212 }
213 format Inst {
214 0x0E: decode OPCODE_OP_BOTTOM3 {
215 0x0: JO(Jb);
216 0x1: JNO(Jb);
217 0x2: JB(Jb);
218 0x3: JNB(Jb);
219 0x4: JZ(Jb);
220 0x5: JNZ(Jb);
221 0x6: JBE(Jb);
222 0x7: JNBE(Jb);
223 }
224 0x0F: decode OPCODE_OP_BOTTOM3 {
225 0x0: JS(Jb);
226 0x1: JNS(Jb);
227 0x2: JP(Jb);
228 0x3: JNP(Jb);
229 0x4: JL(Jb);
230 0x5: JNL(Jb);
231 0x6: JLE(Jb);
232 0x7: JNLE(Jb);
233 }
234 }
235 0x10: decode OPCODE_OP_BOTTOM3 {
236 format Inst {
237 //0x0: group1_Eb_Ib();
238 0x0: decode MODRM_REG {
239 0x0: ADD(Eb,Ib);
240 0x1: OR(Eb,Ib);
241 0x2: ADC(Eb,Ib);
242 0x3: SBB(Eb,Ib);
243 0x4: AND(Eb,Ib);
244 0x5: SUB(Eb,Ib);
245 0x6: XOR(Eb,Ib);
246 0x7: CMP(Eb,Ib);
247 }
248 //0x1: group1_Ev_Iz();
249 0x1: decode MODRM_REG {
250 0x0: ADD(Ev,Iz);
251 0x1: OR(Ev,Iz);
252 0x2: ADC(Ev,Iz);
253 0x3: SBB(Ev,Iz);
254 0x4: AND(Ev,Iz);
255 0x5: SUB(Ev,Iz);
256 0x6: XOR(Ev,Iz);
257 0x7: CMP(Ev,Iz);
258 }
259 0x2: decode MODE_SUBMODE {
188 default: bound_Gv_Ma();
189 }
190 0x3: decode MODE_SUBMODE {
191 0x0: Inst::MOVSXD(Gv,Ed);
192 default: arpl_Ew_Gw();
193 }
194 0x4: M5InternalError::error(
195 {{"Tried to execute the FS segment override prefix!"}});
196 0x5: M5InternalError::error(
197 {{"Tried to execute the GS segment override prefix!"}});
198 0x6: M5InternalError::error(
199 {{"Tried to execute the operand size override prefix!"}});
200 0x7: M5InternalError::error(
201 {{"Tried to execute the DS address size override prefix!"}});
202 }
203 0x0D: decode OPCODE_OP_BOTTOM3 {
204 0x0: push_Iz();
205 0x1: imul_Gv_Ev_Iz();
206 0x2: push_Ib();
207 0x3: imul_Gv_Ev_Ib();
208 0x4: ins_Yb_Dx();
209 0x5: ins_Yz_Dx();
210 0x6: outs_Dx_Xb();
211 0x7: outs_Dx_Xz();
212 }
213 format Inst {
214 0x0E: decode OPCODE_OP_BOTTOM3 {
215 0x0: JO(Jb);
216 0x1: JNO(Jb);
217 0x2: JB(Jb);
218 0x3: JNB(Jb);
219 0x4: JZ(Jb);
220 0x5: JNZ(Jb);
221 0x6: JBE(Jb);
222 0x7: JNBE(Jb);
223 }
224 0x0F: decode OPCODE_OP_BOTTOM3 {
225 0x0: JS(Jb);
226 0x1: JNS(Jb);
227 0x2: JP(Jb);
228 0x3: JNP(Jb);
229 0x4: JL(Jb);
230 0x5: JNL(Jb);
231 0x6: JLE(Jb);
232 0x7: JNLE(Jb);
233 }
234 }
235 0x10: decode OPCODE_OP_BOTTOM3 {
236 format Inst {
237 //0x0: group1_Eb_Ib();
238 0x0: decode MODRM_REG {
239 0x0: ADD(Eb,Ib);
240 0x1: OR(Eb,Ib);
241 0x2: ADC(Eb,Ib);
242 0x3: SBB(Eb,Ib);
243 0x4: AND(Eb,Ib);
244 0x5: SUB(Eb,Ib);
245 0x6: XOR(Eb,Ib);
246 0x7: CMP(Eb,Ib);
247 }
248 //0x1: group1_Ev_Iz();
249 0x1: decode MODRM_REG {
250 0x0: ADD(Ev,Iz);
251 0x1: OR(Ev,Iz);
252 0x2: ADC(Ev,Iz);
253 0x3: SBB(Ev,Iz);
254 0x4: AND(Ev,Iz);
255 0x5: SUB(Ev,Iz);
256 0x6: XOR(Ev,Iz);
257 0x7: CMP(Ev,Iz);
258 }
259 0x2: decode MODE_SUBMODE {
260 0x0: WarnUnimpl::This_should_be_an_illegal_instruction();
260 0x0: UD2();
261 //default: group1_Eb_Ib();
262 default: decode MODRM_REG {
263 0x0: ADD(Eb,Ib);
264 0x1: OR(Eb,Ib);
265 0x2: ADC(Eb,Ib);
266 0x3: SBB(Eb,Ib);
267 0x4: AND(Eb,Ib);
268 0x5: SUB(Eb,Ib);
269 0x6: XOR(Eb,Ib);
270 0x7: CMP(Eb,Ib);
271 }
272 }
273 //0x3: group1_Ev_Ib();
274 0x3: decode MODRM_REG {
275 0x0: ADD(Ev,Ib);
276 0x1: OR(Ev,Ib);
277 0x2: ADC(Ev,Ib);
278 0x3: SBB(Ev,Ib);
279 0x4: AND(Ev,Ib);
280 0x5: SUB(Ev,Ib);
281 0x6: XOR(Ev,Ib);
282 0x7: CMP(Ev,Ib);
283 }
261 //default: group1_Eb_Ib();
262 default: decode MODRM_REG {
263 0x0: ADD(Eb,Ib);
264 0x1: OR(Eb,Ib);
265 0x2: ADC(Eb,Ib);
266 0x3: SBB(Eb,Ib);
267 0x4: AND(Eb,Ib);
268 0x5: SUB(Eb,Ib);
269 0x6: XOR(Eb,Ib);
270 0x7: CMP(Eb,Ib);
271 }
272 }
273 //0x3: group1_Ev_Ib();
274 0x3: decode MODRM_REG {
275 0x0: ADD(Ev,Ib);
276 0x1: OR(Ev,Ib);
277 0x2: ADC(Ev,Ib);
278 0x3: SBB(Ev,Ib);
279 0x4: AND(Ev,Ib);
280 0x5: SUB(Ev,Ib);
281 0x6: XOR(Ev,Ib);
282 0x7: CMP(Ev,Ib);
283 }
284 0x4: Inst::TEST(Eb,Gb);
285 0x5: Inst::TEST(Ev,Gv);
284 }
286 }
285 0x4: Inst::TEST(Eb,Gb);
286 0x5: Inst::TEST(Ev,Gv);
287 0x6: xchg_Eb_Gb();
288 0x7: xchg_Ev_Gv();
289 }
290 0x11: decode OPCODE_OP_BOTTOM3 {
291 0x0: Inst::MOV(Eb,Gb);
292 0x1: Inst::MOV(Ev,Gv);
293 0x2: Inst::MOV(Gb,Eb);
294 0x3: Inst::MOV(Gv,Ev);
295 0x4: mov_MwRv_Sw(); //What to do with this one?
296 0x5: Inst::LEA(Gv,M);
297 0x6: mov_Sw_MwRv();
298 0x7: group10_Ev(); //Make sure this is Ev
299 }
300 0x12: decode OPCODE_OP_BOTTOM3 {
301 0x0: Inst::NOP(); //XXX repe makes this a "pause"
302 default: xchg_B_rAX();
303 }
304 0x13: decode OPCODE_OP_BOTTOM3 {
305 0x0: cbw_or_cwde_or_cdqe_rAX();
306 0x1: cwd_or_cdq_or_cqo_rAX_rDX();
307 0x2: decode MODE_SUBMODE {
287 0x6: xchg_Eb_Gb();
288 0x7: xchg_Ev_Gv();
289 }
290 0x11: decode OPCODE_OP_BOTTOM3 {
291 0x0: Inst::MOV(Eb,Gb);
292 0x1: Inst::MOV(Ev,Gv);
293 0x2: Inst::MOV(Gb,Eb);
294 0x3: Inst::MOV(Gv,Ev);
295 0x4: mov_MwRv_Sw(); //What to do with this one?
296 0x5: Inst::LEA(Gv,M);
297 0x6: mov_Sw_MwRv();
298 0x7: group10_Ev(); //Make sure this is Ev
299 }
300 0x12: decode OPCODE_OP_BOTTOM3 {
301 0x0: Inst::NOP(); //XXX repe makes this a "pause"
302 default: xchg_B_rAX();
303 }
304 0x13: decode OPCODE_OP_BOTTOM3 {
305 0x0: cbw_or_cwde_or_cdqe_rAX();
306 0x1: cwd_or_cdq_or_cqo_rAX_rDX();
307 0x2: decode MODE_SUBMODE {
308 0x0: This_should_be_an_illegal_instruction();
308 0x0: Inst::UD2();
309 default: call_Ap();
310 }
311 0x3: fwait(); //aka wait
312 0x4: pushf_Fv();
313 0x5: popf_Fv();
314 //Both of these should be illegal only if CPUID.AHF64=0,
315 //according to sandpile.org
316 0x6: decode MODE_SUBMODE {
309 default: call_Ap();
310 }
311 0x3: fwait(); //aka wait
312 0x4: pushf_Fv();
313 0x5: popf_Fv();
314 //Both of these should be illegal only if CPUID.AHF64=0,
315 //according to sandpile.org
316 0x6: decode MODE_SUBMODE {
317 0x0: This_should_be_an_illegal_instruction();
317 0x0: Inst::UD2();
318 default: sahf();
319 }
320 0x7: decode MODE_SUBMODE {
318 default: sahf();
319 }
320 0x7: decode MODE_SUBMODE {
321 0x0: This_should_be_an_illegal_instruction();
321 0x0: Inst::UD2();
322 default: lahf();
323 }
324 }
325 0x14: decode OPCODE_OP_BOTTOM3 {
326 0x0: mov_Al_Ob();
327 0x1: mov_rAX_Ov();
328 0x2: mov_Ob_Al();
329 0x3: mov_Ov_rAX();
330 0x4: movs_Yb_Xb();
331 0x5: movs_Yv_Xv();
332 0x6: cmps_Yb_Xb();
333 0x7: cmps_Yv_Xv();
334 }
335 0x15: decode OPCODE_OP_BOTTOM3 {
336 0x0: Inst::TEST(rAl,Ib);
337 0x1: Inst::TEST(rAX,Iz);
338 0x2: stos_Yb_Al();
339 0x3: stos_Yv_rAX();
340 0x4: lods_Al_Xb();
341 0x5: lods_rAX_Xv();
342 0x6: scas_Yb_Al();
343 0x7: scas_Yv_rAX();
344 }
345 0x16: decode OPCODE_OP_BOTTOM3 {
346 0x0: mov_Al_Ib();
347 0x1: mov_Cl_Ib();
348 0x2: mov_Dl_Ib();
349 0x3: mov_Bl_Ib();
350 0x4: mov_Ah_Ib();
351 0x5: mov_Ch_Ib();
352 0x6: mov_Dh_Ib();
353 0x7: mov_Bh_Ib();
354 }
355 0x17: Inst::MOV(B,Iv);
356 0x18: decode OPCODE_OP_BOTTOM3 {
357 //0x0: group2_Eb_Ib();
358 0x0: decode MODRM_REG {
359 0x0: rol_Eb_Ib();
360 0x1: ror_Eb_Ib();
361 0x2: rcl_Eb_Ib();
362 0x3: rcr_Eb_Ib();
363 0x4: Inst::SAL(Eb,Ib);
364 0x5: shr_Eb_Ib();
365 0x6: Inst::SAL(Eb,Ib);
366 0x7: sar_Eb_Ib();
367 }
368 //0x1: group2_Ev_Ib();
369 0x1: decode MODRM_REG {
370 0x0: rol_Ev_Ib();
371 0x1: ror_Ev_Ib();
372 0x2: rcl_Ev_Ib();
373 0x3: rcr_Ev_Ib();
374 0x4: Inst::SAL(Ev,Ib);
375 0x5: shr_Ev_Ib();
376 0x6: Inst::SAL(Ev,Ib);
377 0x7: sar_Ev_Ib();
378 }
379 0x2: ret_near_Iw();
380 0x3: Inst::RET_NEAR();
381 0x4: decode MODE_SUBMODE {
322 default: lahf();
323 }
324 }
325 0x14: decode OPCODE_OP_BOTTOM3 {
326 0x0: mov_Al_Ob();
327 0x1: mov_rAX_Ov();
328 0x2: mov_Ob_Al();
329 0x3: mov_Ov_rAX();
330 0x4: movs_Yb_Xb();
331 0x5: movs_Yv_Xv();
332 0x6: cmps_Yb_Xb();
333 0x7: cmps_Yv_Xv();
334 }
335 0x15: decode OPCODE_OP_BOTTOM3 {
336 0x0: Inst::TEST(rAl,Ib);
337 0x1: Inst::TEST(rAX,Iz);
338 0x2: stos_Yb_Al();
339 0x3: stos_Yv_rAX();
340 0x4: lods_Al_Xb();
341 0x5: lods_rAX_Xv();
342 0x6: scas_Yb_Al();
343 0x7: scas_Yv_rAX();
344 }
345 0x16: decode OPCODE_OP_BOTTOM3 {
346 0x0: mov_Al_Ib();
347 0x1: mov_Cl_Ib();
348 0x2: mov_Dl_Ib();
349 0x3: mov_Bl_Ib();
350 0x4: mov_Ah_Ib();
351 0x5: mov_Ch_Ib();
352 0x6: mov_Dh_Ib();
353 0x7: mov_Bh_Ib();
354 }
355 0x17: Inst::MOV(B,Iv);
356 0x18: decode OPCODE_OP_BOTTOM3 {
357 //0x0: group2_Eb_Ib();
358 0x0: decode MODRM_REG {
359 0x0: rol_Eb_Ib();
360 0x1: ror_Eb_Ib();
361 0x2: rcl_Eb_Ib();
362 0x3: rcr_Eb_Ib();
363 0x4: Inst::SAL(Eb,Ib);
364 0x5: shr_Eb_Ib();
365 0x6: Inst::SAL(Eb,Ib);
366 0x7: sar_Eb_Ib();
367 }
368 //0x1: group2_Ev_Ib();
369 0x1: decode MODRM_REG {
370 0x0: rol_Ev_Ib();
371 0x1: ror_Ev_Ib();
372 0x2: rcl_Ev_Ib();
373 0x3: rcr_Ev_Ib();
374 0x4: Inst::SAL(Ev,Ib);
375 0x5: shr_Ev_Ib();
376 0x6: Inst::SAL(Ev,Ib);
377 0x7: sar_Ev_Ib();
378 }
379 0x2: ret_near_Iw();
380 0x3: Inst::RET_NEAR();
381 0x4: decode MODE_SUBMODE {
382 0x0: This_should_be_an_illegal_instruction();
382 0x0: Inst::UD2();
383 default: les_Gz_Mp();
384 }
385 0x5: decode MODE_SUBMODE {
383 default: les_Gz_Mp();
384 }
385 0x5: decode MODE_SUBMODE {
386 0x0: This_should_be_an_illegal_instruction();
386 0x0: Inst::UD2();
387 default: lds_Gz_Mp();
388 }
389 //0x6: group12_Eb_Ib();
390 0x6: decode MODRM_REG {
391 0x0: Inst::MOV(Eb,Ib);
392 }
393 //0x7: group12_Ev_Iz();
394 0x7: decode MODRM_REG {
395 0x0: Inst::MOV(Ev,Iz);
396 }
397 }
398 0x19: decode OPCODE_OP_BOTTOM3 {
399 0x0: enter_Iw_Ib();
400 0x1: leave();
401 0x2: ret_far_Iw();
402 0x3: ret_far();
403 0x4: int3();
404 0x5: int_Ib();
405 0x6: decode MODE_SUBMODE {
387 default: lds_Gz_Mp();
388 }
389 //0x6: group12_Eb_Ib();
390 0x6: decode MODRM_REG {
391 0x0: Inst::MOV(Eb,Ib);
392 }
393 //0x7: group12_Ev_Iz();
394 0x7: decode MODRM_REG {
395 0x0: Inst::MOV(Ev,Iz);
396 }
397 }
398 0x19: decode OPCODE_OP_BOTTOM3 {
399 0x0: enter_Iw_Ib();
400 0x1: leave();
401 0x2: ret_far_Iw();
402 0x3: ret_far();
403 0x4: int3();
404 0x5: int_Ib();
405 0x6: decode MODE_SUBMODE {
406 0x0: This_should_be_an_illegal_instruction();
406 0x0: Inst::UD2();
407 default: into();
408 }
409 0x7: iret();
410 }
411 0x1A: decode OPCODE_OP_BOTTOM3 {
412 0x0: group2_Eb_1();
413 0x1: group2_Ev_1();
414 0x2: group2_Eb_Cl();
415 0x3: group2_Ev_Cl();
416 0x4: decode MODE_SUBMODE {
407 default: into();
408 }
409 0x7: iret();
410 }
411 0x1A: decode OPCODE_OP_BOTTOM3 {
412 0x0: group2_Eb_1();
413 0x1: group2_Ev_1();
414 0x2: group2_Eb_Cl();
415 0x3: group2_Ev_Cl();
416 0x4: decode MODE_SUBMODE {
417 0x0: This_should_be_an_illegal_instruction();
417 0x0: Inst::UD2();
418 default: aam_Ib();
419 }
420 0x5: decode MODE_SUBMODE {
418 default: aam_Ib();
419 }
420 0x5: decode MODE_SUBMODE {
421 0x0: This_should_be_an_illegal_instruction();
421 0x0: Inst::UD2();
422 default: aad_Ib();
423 }
424 0x6: decode MODE_SUBMODE {
422 default: aad_Ib();
423 }
424 0x6: decode MODE_SUBMODE {
425 0x0: This_should_be_an_illegal_instruction();
425 0x0: Inst::UD2();
426 default: salc();
427 }
428 0x7: xlat();
429 }
430 0x1B: decode OPCODE_OP_BOTTOM3 {
431 0x0: esc0();
432 0x1: esc1();
433 0x2: esc2();
434 0x3: esc3();
435 0x4: esc4();
436 0x5: esc5();
437 0x6: esc6();
438 0x7: esc7();
439 }
440 0x1C: decode OPCODE_OP_BOTTOM3 {
441 0x0: loopne_Jb();
442 0x1: loope_Jb();
443 0x2: loop_Jb();
444 0x3: jcxz_or_jecx_or_jrcx();
445 0x4: in_Al_Ib();
446 0x5: in_eAX_Ib();
447 0x6: out_Ib_Al();
448 0x7: out_Ib_eAX();
449 }
450 0x1D: decode OPCODE_OP_BOTTOM3 {
451 0x0: Inst::CALL_NEAR(Jz);
426 default: salc();
427 }
428 0x7: xlat();
429 }
430 0x1B: decode OPCODE_OP_BOTTOM3 {
431 0x0: esc0();
432 0x1: esc1();
433 0x2: esc2();
434 0x3: esc3();
435 0x4: esc4();
436 0x5: esc5();
437 0x6: esc6();
438 0x7: esc7();
439 }
440 0x1C: decode OPCODE_OP_BOTTOM3 {
441 0x0: loopne_Jb();
442 0x1: loope_Jb();
443 0x2: loop_Jb();
444 0x3: jcxz_or_jecx_or_jrcx();
445 0x4: in_Al_Ib();
446 0x5: in_eAX_Ib();
447 0x6: out_Ib_Al();
448 0x7: out_Ib_eAX();
449 }
450 0x1D: decode OPCODE_OP_BOTTOM3 {
451 0x0: Inst::CALL_NEAR(Jz);
452 0x1: jmp_Jz();
452 0x1: Inst::JMP(Jz);
453 0x2: decode MODE_SUBMODE {
453 0x2: decode MODE_SUBMODE {
454 0x0: This_should_be_an_illegal_instruction();
454 0x0: Inst::UD2();
455 default: jmp_Ap();
456 }
457 0x3: Inst::JMP(Jb);
458 0x4: in_Al_Dx();
459 0x5: in_eAX_Dx();
460 0x6: out_Dx_Al();
461 0x7: out_Dx_eAX();
462 }
463 0x1E: decode OPCODE_OP_BOTTOM3 {
464 0x0: M5InternalError::error(
465 {{"Tried to execute the lock prefix!"}});
466 0x1: int1();
467 0x2: M5InternalError::error(
468 {{"Tried to execute the repne prefix!"}});
469 0x3: M5InternalError::error(
470 {{"Tried to execute the rep/repe prefix!"}});
471 0x4: hlt();
472 0x5: cmc();
473 0x6: group3_Eb();
474 0x7: group3_Ev();
475 }
476 0x1F: decode OPCODE_OP_BOTTOM3 {
477 0x0: clc();
478 0x1: stc();
479 0x2: cli();
480 0x3: sti();
481 0x4: cld();
482 0x5: std();
455 default: jmp_Ap();
456 }
457 0x3: Inst::JMP(Jb);
458 0x4: in_Al_Dx();
459 0x5: in_eAX_Dx();
460 0x6: out_Dx_Al();
461 0x7: out_Dx_eAX();
462 }
463 0x1E: decode OPCODE_OP_BOTTOM3 {
464 0x0: M5InternalError::error(
465 {{"Tried to execute the lock prefix!"}});
466 0x1: int1();
467 0x2: M5InternalError::error(
468 {{"Tried to execute the repne prefix!"}});
469 0x3: M5InternalError::error(
470 {{"Tried to execute the rep/repe prefix!"}});
471 0x4: hlt();
472 0x5: cmc();
473 0x6: group3_Eb();
474 0x7: group3_Ev();
475 }
476 0x1F: decode OPCODE_OP_BOTTOM3 {
477 0x0: clc();
478 0x1: stc();
479 0x2: cli();
480 0x3: sti();
481 0x4: cld();
482 0x5: std();
483 0x6: group4();
483 //0x6: group4();
484 0x6: decode MODRM_REG {
485 0x0: Inst::INC(Eb);
486 0x1: Inst::DEC(Eb);
487 default: Inst::UD2();
488 }
484 //0x7: group5();
485 0x7: decode MODRM_REG {
486 0x0: Inst::INC(Ev);
489 //0x7: group5();
490 0x7: decode MODRM_REG {
491 0x0: Inst::INC(Ev);
487 0x1: dev_Ev();
492 0x1: Inst::DEC(Ev);
488 0x2: call_Ev();
489 0x3: call_Mp();
490 0x4: jmp_Ev();
491 0x5: jmp_Mp();
492 0x6: push_Ev();
493 0x2: call_Ev();
494 0x3: call_Mp();
495 0x4: jmp_Ev();
496 0x5: jmp_Mp();
497 0x6: push_Ev();
493 0x7: WarnUnimpl::This_should_be_an_illegal_instruction();
498 0x7: Inst::UD2();
494 }
495 }
496 }
497 default: FailUnimpl::oneByteOps();
498}
499 }
500 }
501 }
502 default: FailUnimpl::oneByteOps();
503}