two_byte_opcodes.isa revision 4711
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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 0x05: syscall(); 71 0x06: clts(); 72 //sandpile.org says (AMD) after sysret, so I might want to check 73 //if that means amd64 or AMD machines 74 0x07: loadall_or_sysret(); 75 } 76 0x01: decode OPCODE_OP_BOTTOM3 { 77 0x0: holderholder(); 78 0x1: holder(); 79 0x2: holder(); 80 0x3: holder(); 81 0x4: holder(); 82 0x5: holder(); 83 0x6: holder(); 84 0x7: holder(); 85 } 86 0x02: decode OPCODE_OP_BOTTOM3 { 87 0x0: holder(); 88 0x1: holder(); 89 0x2: holder(); 90 0x3: holder(); 91 0x4: holder(); 92 0x5: holder(); 93 0x6: holder(); 94 0x7: holder(); 95 } 96 0x03: decode OPCODE_OP_BOTTOM3 { 97 0x0: holder(); 98 0x1: holder(); 99 0x2: holder(); 100 0x3: holder(); 101 0x4: holder(); 102 0x5: holder(); 103 0x6: holder(); 104 0x7: holder(); 105 } 106 0x04: decode OPCODE_OP_BOTTOM3 { 107 0x0: holder(); 108 0x1: holder(); 109 0x2: holder(); 110 0x3: holder(); 111 0x4: holder(); 112 0x5: holder(); 113 0x6: holder(); 114 0x7: holder(); 115 } 116 0x05: decode OPCODE_OP_BOTTOM3 { 117 0x0: holder(); 118 0x1: holder(); 119 0x2: holder(); 120 0x3: holder(); 121 0x4: holder(); 122 0x5: holder(); 123 0x6: holder(); 124 0x7: holder(); 125 } 126 0x06: decode OPCODE_OP_BOTTOM3 { 127 0x0: holder(); 128 0x1: holder(); 129 0x2: holder(); 130 0x3: holder(); 131 0x4: holder(); 132 0x5: holder(); 133 0x6: holder(); 134 0x7: holder(); 135 } 136 0x07: decode OPCODE_OP_BOTTOM3 { 137 0x0: holder(); 138 0x1: holder(); 139 0x2: holder(); 140 0x3: holder(); 141 0x4: holder(); 142 0x5: holder(); 143 0x6: holder(); 144 0x7: holder(); 145 } 146 0x08: decode OPCODE_OP_BOTTOM3 { 147 0x0: holder(); 148 0x1: holder(); 149 0x2: holder(); 150 0x3: holder(); 151 0x4: holder(); 152 0x5: holder(); 153 0x6: holder(); 154 0x7: holder(); 155 } 156 0x09: decode OPCODE_OP_BOTTOM3 { 157 0x0: holder(); 158 0x1: holder(); 159 0x2: holder(); 160 0x3: holder(); 161 0x4: holder(); 162 0x5: holder(); 163 0x6: holder(); 164 0x7: holder(); 165 } 166 0x0A: decode OPCODE_OP_BOTTOM3 { 167 0x0: holder(); 168 0x1: holder(); 169 0x2: holder(); 170 0x3: holder(); 171 0x4: holder(); 172 0x5: holder(); 173 0x6: holder(); 174 0x7: holder(); 175 } 176 0x0B: decode OPCODE_OP_BOTTOM3 { 177 0x0: holder(); 178 0x1: holder(); 179 0x2: holder(); 180 0x3: holder(); 181 0x4: holder(); 182 0x5: holder(); 183 0x6: holder(); 184 0x7: holder(); 185 } 186 0x0C: decode OPCODE_OP_BOTTOM3 { 187 0x0: holder(); 188 0x1: holder(); 189 0x2: holder(); 190 0x3: holder(); 191 0x4: holder(); 192 0x5: holder(); 193 0x6: holder(); 194 0x7: holder(); 195 } 196 0x0D: decode OPCODE_OP_BOTTOM3 { 197 0x0: holder(); 198 0x1: holder(); 199 0x2: holder(); 200 0x3: holder(); 201 0x4: holder(); 202 0x5: holder(); 203 0x6: holder(); 204 0x7: holder(); 205 } 206 0x0E: decode OPCODE_OP_BOTTOM3 { 207 0x0: holder(); 208 0x1: holder(); 209 0x2: holder(); 210 0x3: holder(); 211 0x4: holder(); 212 0x5: holder(); 213 0x6: holder(); 214 0x7: holder(); 215 } 216 0x0F: decode OPCODE_OP_BOTTOM3 { 217 0x0: holder(); 218 0x1: holder(); 219 0x2: holder(); 220 0x3: holder(); 221 0x4: holder(); 222 0x5: holder(); 223 0x6: holder(); 224 0x7: holder(); 225 } 226 0x10: decode OPCODE_OP_BOTTOM3 { 227 0x0: jo_Jz(); 228 0x1: jno_Jz(); 229 0x2: jb_Jz(); 230 0x3: jnb_Jz(); 231 0x4: jz_Jz(); 232 0x5: Inst::JNZ(Jz); 233 0x6: jbe_Jz(); 234 0x7: jnbe_Jz(); 235 } 236 0x11: decode OPCODE_OP_BOTTOM3 { 237 0x0: holder(); 238 0x1: holder(); 239 0x2: holder(); 240 0x3: holder(); 241 0x4: holder(); 242 0x5: holder(); 243 0x6: holder(); 244 0x7: holder(); 245 } 246 0x12: decode OPCODE_OP_BOTTOM3 { 247 0x0: holder(); 248 0x1: holder(); 249 0x2: holder(); 250 0x3: holder(); 251 0x4: holder(); 252 0x5: holder(); 253 0x6: holder(); 254 0x7: holder(); 255 } 256 0x13: decode OPCODE_OP_BOTTOM3 { 257 0x0: holder(); 258 0x1: holder(); 259 0x2: holder(); 260 0x3: holder(); 261 0x4: holder(); 262 0x5: holder(); 263 0x6: holder(); 264 0x7: holder(); 265 } 266 0x14: decode OPCODE_OP_BOTTOM3 { 267 0x0: holder(); 268 0x1: holder(); 269 0x2: holder(); 270 0x3: holder(); 271 0x4: holder(); 272 0x5: holder(); 273 0x6: holder(); 274 0x7: holder(); 275 } 276 0x15: decode OPCODE_OP_BOTTOM3 { 277 0x0: holder(); 278 0x1: holder(); 279 0x2: holder(); 280 0x3: holder(); 281 0x4: holder(); 282 0x5: holder(); 283 0x6: holder(); 284 0x7: holder(); 285 } 286 0x16: decode OPCODE_OP_BOTTOM3 { 287 0x0: holder(); 288 0x1: holder(); 289 0x2: holder(); 290 0x3: holder(); 291 0x4: holder(); 292 0x5: holder(); 293 0x6: holder(); 294 0x7: holder(); 295 } 296 0x17: decode OPCODE_OP_BOTTOM3 { 297 0x0: holder(); 298 0x1: holder(); 299 0x2: holder(); 300 0x3: holder(); 301 0x4: holder(); 302 0x5: holder(); 303 0x6: holder(); 304 0x7: holder(); 305 } 306 0x18: decode OPCODE_OP_BOTTOM3 { 307 0x0: holder(); 308 0x1: holder(); 309 0x2: holder(); 310 0x3: holder(); 311 0x4: holder(); 312 0x5: holder(); 313 0x6: holder(); 314 0x7: holder(); 315 } 316 0x19: decode OPCODE_OP_BOTTOM3 { 317 0x0: holder(); 318 0x1: holder(); 319 0x2: holder(); 320 0x3: holder(); 321 0x4: holder(); 322 0x5: holder(); 323 0x6: holder(); 324 0x7: holder(); 325 } 326 0x1A: decode OPCODE_OP_BOTTOM3 { 327 0x0: holder(); 328 0x1: holder(); 329 0x2: holder(); 330 0x3: holder(); 331 0x4: holder(); 332 0x5: holder(); 333 0x6: holder(); 334 0x7: holder(); 335 } 336 0x1B: decode OPCODE_OP_BOTTOM3 { 337 0x0: holder(); 338 0x1: holder(); 339 0x2: holder(); 340 0x3: holder(); 341 0x4: holder(); 342 0x5: holder(); 343 0x6: holder(); 344 0x7: holder(); 345 } 346 0x1C: decode OPCODE_OP_BOTTOM3 { 347 0x0: holder(); 348 0x1: holder(); 349 0x2: holder(); 350 0x3: holder(); 351 0x4: holder(); 352 0x5: holder(); 353 0x6: holder(); 354 0x7: holder(); 355 } 356 0x1D: decode OPCODE_OP_BOTTOM3 { 357 0x0: holder(); 358 0x1: holder(); 359 0x2: holder(); 360 0x3: holder(); 361 0x4: holder(); 362 0x5: holder(); 363 0x6: holder(); 364 0x7: holder(); 365 } 366 0x1E: decode OPCODE_OP_BOTTOM3 { 367 0x0: holder(); 368 0x1: holder(); 369 0x2: holder(); 370 0x3: holder(); 371 0x4: holder(); 372 0x5: holder(); 373 0x6: holder(); 374 0x7: holder(); 375 } 376 0x1F: decode OPCODE_OP_BOTTOM3 { 377 0x0: holder(); 378 0x1: holder(); 379 0x2: holder(); 380 0x3: holder(); 381 0x4: holder(); 382 0x5: holder(); 383 0x6: holder(); 384 0x7: holder(); 385 } 386 default: FailUnimpl::twoByteOps(); 387 } 388 } 389 default: M5InternalError::error( 390 {{"Unexpected first opcode byte in two byte opcode!"}}); 391} 392