one_byte_opcodes.isa revision 4575:d0017efdfa02
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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 0x4: ADD(); 65 0x5: ADD(); 66 0x6: push_ES(); 67 0x7: pop_ES(); 68 default: ADD(); 69 } 70 0x01: decode OPCODE_OP_BOTTOM3 { 71 0x0: or_Eb_Gb(); 72 0x1: or_Ev_Gv(); 73 0x2: or_Gb_Eb(); 74 0x3: or_Gv_Ev(); 75 0x4: or_Al_Ib(); 76 0x5: or_rAX_Iz(); 77 0x6: push_CS(); 78 //Any time this is seen, it should generate a two byte opcode 79 0x7: M5InternalError::error( 80 {{"Saw a one byte opcode whose value was 0x0F!"}}); 81 } 82 0x02: decode OPCODE_OP_BOTTOM3 { 83 0x0: adc_Eb_Gb(); 84 0x1: adc_Ev_Gv(); 85 0x2: adc_Gb_Eb(); 86 0x3: adc_Gv_Ev(); 87 0x4: adc_Al_Ib(); 88 0x5: adc_rAX_Iz(); 89 0x6: push_SS(); 90 0x7: pop_SS(); 91 } 92 0x03: decode OPCODE_OP_BOTTOM3 { 93 0x0: sbb_Eb_Gb(); 94 0x1: sbb_Ev_Gv(); 95 0x2: sbb_Gb_Eb(); 96 0x3: sbb_Gv_Ev(); 97 0x4: sbb_Al_Ib(); 98 0x5: sbb_rAX_Iz(); 99 0x6: push_DS(); 100 0x7: pop_DS(); 101 } 102 0x04: decode OPCODE_OP_BOTTOM3 { 103 0x0: and_Eb_Gb(); 104 0x1: and_Ev_Gv(); 105 0x2: and_Gb_Eb(); 106 0x3: and_Gv_Ev(); 107 0x4: and_Al_Ib(); 108 0x5: and_rAX_Iz(); 109 0x6: M5InternalError::error( 110 {{"Tried to execute the ES segment override prefix!"}}); 111 0x7: daa(); 112 } 113 0x05: decode OPCODE_OP_BOTTOM3 { 114 0x0: sub_Eb_Gb(); 115 0x1: sub_Ev_Gv(); 116 0x2: sub_Gb_Eb(); 117 0x3: sub_Gv_Ev(); 118 0x4: sub_Al_Ib(); 119 0x5: sub_rAX_Iz(); 120 0x6: M5InternalError::error( 121 {{"Tried to execute the CS segment override prefix!"}}); 122 0x7: das(); 123 } 124 0x06: decode OPCODE_OP_BOTTOM3 { 125 0x4: Inst::XOR(rAl,Ib); 126 0x5: Inst::XOR(rAx,Iz); 127 0x6: M5InternalError::error( 128 {{"Tried to execute the SS segment override prefix!"}}); 129 0x7: aaa(); 130 default: MultiInst::XOR(OPCODE_OP_BOTTOM3, 131 [Eb,Gb], [Ev,Gv], 132 [Gb,Eb], [Gv,Ev]); 133 } 134 0x07: decode OPCODE_OP_BOTTOM3 { 135 0x0: cmp_Eb_Gb(); 136 0x1: cmp_Ev_Gv(); 137 0x2: cmp_Gb_Eb(); 138 0x3: cmp_Gv_Ev(); 139 0x4: cmp_Al_Ib(); 140 0x5: cmp_rAX_Iz(); 141 0x6: M5InternalError::error( 142 {{"Tried to execute the DS segment override prefix!"}}); 143 0x7: aas(); 144 } 145 0x08: decode OPCODE_OP_BOTTOM3 { 146 0x0: inc_eAX(); 147 0x1: inc_eCX(); 148 0x2: inc_eDX(); 149 0x3: inc_eBX(); 150 0x4: inc_eSP(); 151 0x5: inc_eBP(); 152 0x6: inc_eSI(); 153 0x7: inc_eDI(); 154 } 155 0x09: decode OPCODE_OP_BOTTOM3 { 156 0x0: dec_eAX(); 157 0x1: dec_eCX(); 158 0x2: dec_eDX(); 159 0x3: dec_eBX(); 160 0x4: dec_eSP(); 161 0x5: dec_eBP(); 162 0x6: dec_eSI(); 163 0x7: dec_eDI(); 164 } 165 0x0A: decode OPCODE_OP_BOTTOM3 { 166 0x0: Inst::PUSH(rAx); 167 0x1: push_rCX(); 168 0x2: push_rDX(); 169 0x3: push_rBX(); 170 0x4: Inst::PUSH(rSP); 171 0x5: push_rBP(); 172 0x6: push_rSI(); 173 0x7: push_rDI(); 174 } 175 0x0B: decode OPCODE_OP_BOTTOM3 { 176 0x0: pop_rAX(); 177 0x1: pop_rCX(); 178 0x2: pop_rDX(); 179 0x3: pop_rBX(); 180 0x4: pop_rSP(); 181 0x5: pop_rBP(); 182 0x6: Inst::POP(rSI); 183 0x7: pop_rDI(); 184 } 185 0x0C: decode OPCODE_OP_BOTTOM3 { 186 0x0: pusha(); 187 0x1: popa(); 188 0x2: bound_Gv_Ma(); 189 0x3: arpl_Ew_Gw(); 190 0x4: M5InternalError::error( 191 {{"Tried to execute the FS segment override prefix!"}}); 192 0x5: M5InternalError::error( 193 {{"Tried to execute the GS segment override prefix!"}}); 194 0x6: M5InternalError::error( 195 {{"Tried to execute the operand size override prefix!"}}); 196 0x7: M5InternalError::error( 197 {{"Tried to execute the DS address size override prefix!"}}); 198 } 199 0x0D: decode OPCODE_OP_BOTTOM3 { 200 0x0: push_Iz(); 201 0x1: imul_Gv_Ev_Iz(); 202 0x2: push_Ib(); 203 0x3: imul_Gv_Ev_Ib(); 204 0x4: ins_Yb_Dx(); 205 0x5: ins_Yz_Dx(); 206 0x6: outs_Dx_Xb(); 207 0x7: outs_Dx_Xz(); 208 } 209 0x0E: decode OPCODE_OP_BOTTOM3 { 210 0x0: jo_Jb(); 211 0x1: jno_Jb(); 212 0x2: jb_Jb(); 213 0x3: jnb_Jb(); 214 0x4: jz_Jb(); 215 0x5: jnz_Jb(); 216 0x6: jbe_Jb(); 217 0x7: jnbe_Jb(); 218 } 219 0x0F: decode OPCODE_OP_BOTTOM3 { 220 0x0: js_Jb(); 221 0x1: jns_Jb(); 222 0x2: jp_Jb(); 223 0x3: jnp_Jb(); 224 0x4: jl_Jb(); 225 0x5: jnl_Jb(); 226 0x6: jle_Jb(); 227 0x7: jnke_Jb(); 228 } 229 0x10: decode OPCODE_OP_BOTTOM3 { 230 0x0: group1_Eb_Ib(); 231 0x1: group1_Ev_Iz(); 232 0x2: group1_Eb_Ib(); 233 //0x3: group1_Ev_Ib(); 234 0x3: decode MODRM_REG { 235 0x0: add_Eb_Ib(); 236 0x1: or_Eb_Ib(); 237 0x2: adc_Eb_Ib(); 238 0x3: sbb_Eb_Ib(); 239 0x4: Inst::AND(Eb,Ib); 240 0x5: sub_Eb_Ib(); 241 0x6: xor_Eb_Ib(); 242 0x7: cmp_Eb_Ib(); 243 } 244 0x4: test_Eb_Gb(); 245 0x5: test_Ev_Gv(); 246 0x6: xchg_Eb_Gb(); 247 0x7: xchg_Ev_Gv(); 248 } 249 0x11: decode OPCODE_OP_BOTTOM3 { 250 0x0: Inst::MOV(Eb,Gb); 251 0x1: Inst::MOV(Ev,Gv); 252 0x2: Inst::MOV(Gb,Eb); 253 0x3: Inst::MOV(Gv,Eb); 254 0x4: mov_MwRv_Sw(); //What to do with this one? 255 0x5: lea_Gv_M(); 256 0x6: mov_Sw_MwRv(); 257 0x7: group10_Ev(); //Make sure this is Ev 258 } 259 0x12: decode OPCODE_OP_BOTTOM3 { 260 0x0: nop_or_pause(); //Check for repe prefix 261 0x1: xchg_rCX_rAX(); 262 0x2: xchg_rDX_rAX(); 263 0x3: xchg_rVX_rAX(); 264 0x4: xchg_rSP_rAX(); 265 0x5: xchg_rBP_rAX(); 266 0x6: xchg_rSI_rAX(); 267 0x7: xchg_rDI_rAX(); 268 } 269 0x13: decode OPCODE_OP_BOTTOM3 { 270 0x0: cbw_or_cwde_or_cdqe_rAX(); 271 0x1: cwd_or_cdq_or_cqo_rAX_rDX(); 272 0x2: call_Ap(); 273 0x3: fwait(); //aka wait 274 0x4: pushf_Fv(); 275 0x5: popf_Fv(); 276 0x6: sahf(); 277 0x7: lahf(); 278 } 279 0x14: decode OPCODE_OP_BOTTOM3 { 280 0x0: mov_Al_Ob(); 281 0x1: mov_rAX_Ov(); 282 0x2: mov_Ob_Al(); 283 0x3: mov_Ov_rAX(); 284 0x4: movs_Yb_Xb(); 285 0x5: movs_Yv_Xv(); 286 0x6: cmps_Yb_Xb(); 287 0x7: cmps_Yv_Xv(); 288 } 289 0x15: decode OPCODE_OP_BOTTOM3 { 290 0x0: test_Al_Ib(); 291 0x1: test_rAX_Iz(); 292 0x2: stos_Yb_Al(); 293 0x3: stos_Yv_rAX(); 294 0x4: lods_Al_Xb(); 295 0x5: lods_rAX_Xv(); 296 0x6: scas_Yb_Al(); 297 0x7: scas_Yv_rAX(); 298 } 299 0x16: decode OPCODE_OP_BOTTOM3 { 300 0x0: mov_Al_Ib(); 301 0x1: mov_Cl_Ib(); 302 0x2: mov_Dl_Ib(); 303 0x3: mov_Bl_Ib(); 304 0x4: mov_Ah_Ib(); 305 0x5: mov_Ch_Ib(); 306 0x6: mov_Dh_Ib(); 307 0x7: mov_Bh_Ib(); 308 } 309 0x17: decode OPCODE_OP_BOTTOM3 { 310 0x0: mov_rAX_Iv(); 311 0x1: mov_rCX_Iv(); 312 0x2: mov_rDX_Iv(); 313 0x3: mov_rBX_Iv(); 314 0x4: mov_rSP_Iv(); 315 0x5: mov_rBP_Iv(); 316 0x6: mov_rSI_Iv(); 317 0x7: mov_rDI_Iv(); 318 } 319 0x18: decode OPCODE_OP_BOTTOM3 { 320 0x0: group2_Eb_Ib(); 321 0x1: group2_Ev_Ib(); 322 0x2: ret_near_Iw(); 323 0x3: ret_near(); 324 0x4: les_Gz_Mp(); 325 0x5: lds_Gz_Mp(); 326 //0x6: group12_Eb_Ib(); 327 0x6: decode MODRM_REG { 328 0x0: Inst::MOV(Eb,Ib); 329 } 330 //0x7: group12_Ev_Iz(); 331 0x7: decode MODRM_REG { 332 0x0: Inst::MOV(Ev,Iz); 333 } 334 } 335 0x19: decode OPCODE_OP_BOTTOM3 { 336 0x0: enter_Iw_Ib(); 337 0x1: leave(); 338 0x2: ret_far_Iw(); 339 0x3: ret_far(); 340 0x4: int3(); 341 0x5: int_Ib(); 342 0x6: into(); 343 0x7: iret(); 344 } 345 0x1A: decode OPCODE_OP_BOTTOM3 { 346 0x0: group2_Eb_1(); 347 0x1: group2_Ev_1(); 348 0x2: group2_Eb_Cl(); 349 0x3: group2_Ev_Cl(); 350 0x4: aam_Ib(); 351 0x5: aad_Ib(); 352 0x6: salc(); 353 0x7: xlat(); 354 } 355 0x1B: decode OPCODE_OP_BOTTOM3 { 356 0x0: esc0(); 357 0x1: esc1(); 358 0x2: esc2(); 359 0x3: esc3(); 360 0x4: esc4(); 361 0x5: esc5(); 362 0x6: esc6(); 363 0x7: esc7(); 364 } 365 0x1C: decode OPCODE_OP_BOTTOM3 { 366 0x0: loopne_Jb(); 367 0x1: loope_Jb(); 368 0x2: loop_Jb(); 369 0x3: jcxz_or_jecx_or_jrcx(); 370 0x4: in_Al_Ib(); 371 0x5: in_eAX_Ib(); 372 0x6: out_Ib_Al(); 373 0x7: out_Ib_eAX(); 374 } 375 0x1D: decode OPCODE_OP_BOTTOM3 { 376 0x0: call_Jz(); 377 0x1: jmp_Jz(); 378 0x2: jmp_Ap(); 379 0x3: jmp_Jb(); 380 0x4: in_Al_Dx(); 381 0x5: in_eAX_Dx(); 382 0x6: out_Dx_Al(); 383 0x7: out_Dx_eAX(); 384 } 385 0x1E: decode OPCODE_OP_BOTTOM3 { 386 0x0: M5InternalError::error( 387 {{"Tried to execute the lock prefix!"}}); 388 0x1: int1(); 389 0x2: M5InternalError::error( 390 {{"Tried to execute the repne prefix!"}}); 391 0x3: M5InternalError::error( 392 {{"Tried to execute the rep/repe prefix!"}}); 393 0x4: hlt(); 394 0x5: cmc(); 395 0x6: group3_Eb(); 396 0x7: group3_Ev(); 397 } 398 0x1F: decode OPCODE_OP_BOTTOM3 { 399 0x0: clc(); 400 0x1: stc(); 401 0x2: cli(); 402 0x3: sti(); 403 0x4: cld(); 404 0x5: std(); 405 0x6: group4(); 406 0x7: group5(); 407 } 408 } 409 default: FailUnimpl::oneByteOps(); 410} 411