macromem.isa revision 8072:128afe2b3a35
1// -*- mode:c++ -*- 2 3// Copyright (c) 2010 ARM Limited 4// All rights reserved 5// 6// The license below extends only to copyright in the software and shall 7// not be construed as granting a license to any other intellectual 8// property including but not limited to intellectual property relating 9// to a hardware implementation of the functionality of the software 10// licensed hereunder. You may use the software subject to the license 11// terms below provided that you ensure that this notice is replicated 12// unmodified and in its entirety in all distributions of the software, 13// modified or unmodified, in source code or in binary form. 14// 15// Copyright (c) 2007-2008 The Florida State University 16// All rights reserved. 17// 18// Redistribution and use in source and binary forms, with or without 19// modification, are permitted provided that the following conditions are 20// met: redistributions of source code must retain the above copyright 21// notice, this list of conditions and the following disclaimer; 22// redistributions in binary form must reproduce the above copyright 23// notice, this list of conditions and the following disclaimer in the 24// documentation and/or other materials provided with the distribution; 25// neither the name of the copyright holders nor the names of its 26// contributors may be used to endorse or promote products derived from 27// this software without specific prior written permission. 28// 29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40// 41// Authors: Stephen Hines 42// Gabe Black 43 44//////////////////////////////////////////////////////////////////// 45// 46// Load/store microops 47// 48 49def template MicroMemDeclare {{ 50 class %(class_name)s : public %(base_class)s 51 { 52 public: 53 %(class_name)s(ExtMachInst machInst, 54 RegIndex _ura, RegIndex _urb, bool _up, 55 uint8_t _imm); 56 %(BasicExecDeclare)s 57 %(InitiateAccDeclare)s 58 %(CompleteAccDeclare)s 59 }; 60}}; 61 62def template MicroMemConstructor {{ 63 %(class_name)s::%(class_name)s(ExtMachInst machInst, 64 RegIndex _ura, 65 RegIndex _urb, 66 bool _up, 67 uint8_t _imm) 68 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 69 _ura, _urb, _up, _imm) 70 { 71 %(constructor)s; 72 if (!(condCode == COND_AL || condCode == COND_UC)) { 73 for (int x = 0; x < _numDestRegs; x++) { 74 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 75 } 76 } 77 } 78}}; 79 80//////////////////////////////////////////////////////////////////// 81// 82// Neon load/store microops 83// 84 85def template MicroNeonMemDeclare {{ 86 template <class Element> 87 class %(class_name)s : public %(base_class)s 88 { 89 public: 90 %(class_name)s(ExtMachInst machInst, RegIndex _dest, 91 RegIndex _ura, uint32_t _imm, unsigned extraMemFlags) 92 : %(base_class)s("%(mnemonic)s", machInst, 93 %(op_class)s, _dest, _ura, _imm) 94 { 95 memAccessFlags |= extraMemFlags; 96 %(constructor)s; 97 if (!(condCode == COND_AL || condCode == COND_UC)) { 98 for (int x = 0; x < _numDestRegs; x++) { 99 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 100 } 101 } 102 } 103 104 %(BasicExecDeclare)s 105 %(InitiateAccDeclare)s 106 %(CompleteAccDeclare)s 107 }; 108}}; 109 110//////////////////////////////////////////////////////////////////// 111// 112// Integer = Integer op Integer microops 113// 114 115def template MicroIntDeclare {{ 116 class %(class_name)s : public %(base_class)s 117 { 118 public: 119 %(class_name)s(ExtMachInst machInst, 120 RegIndex _ura, RegIndex _urb, RegIndex _urc); 121 %(BasicExecDeclare)s 122 }; 123}}; 124 125def template MicroIntConstructor {{ 126 %(class_name)s::%(class_name)s(ExtMachInst machInst, 127 RegIndex _ura, 128 RegIndex _urb, 129 RegIndex _urc) 130 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 131 _ura, _urb, _urc) 132 { 133 %(constructor)s; 134 if (!(condCode == COND_AL || condCode == COND_UC)) { 135 for (int x = 0; x < _numDestRegs; x++) { 136 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 137 } 138 } 139 } 140}}; 141 142def template MicroNeonMemExecDeclare {{ 143 template 144 Fault %(class_name)s<%(targs)s>::execute( 145 %(CPU_exec_context)s *, Trace::InstRecord *) const; 146 template 147 Fault %(class_name)s<%(targs)s>::initiateAcc( 148 %(CPU_exec_context)s *, Trace::InstRecord *) const; 149 template 150 Fault %(class_name)s<%(targs)s>::completeAcc(PacketPtr, 151 %(CPU_exec_context)s *, Trace::InstRecord *) const; 152}}; 153 154def template MicroNeonExecDeclare {{ 155 template 156 Fault %(class_name)s<%(targs)s>::execute( 157 %(CPU_exec_context)s *, Trace::InstRecord *) const; 158}}; 159 160//////////////////////////////////////////////////////////////////// 161// 162// Neon (de)interlacing microops 163// 164 165def template MicroNeonMixDeclare {{ 166 template <class Element> 167 class %(class_name)s : public %(base_class)s 168 { 169 public: 170 %(class_name)s(ExtMachInst machInst, RegIndex _dest, RegIndex _op1, 171 uint8_t _step) : 172 %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 173 _dest, _op1, _step) 174 { 175 %(constructor)s; 176 if (!(condCode == COND_AL || condCode == COND_UC)) { 177 for (int x = 0; x < _numDestRegs; x++) { 178 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 179 } 180 } 181 } 182 183 %(BasicExecDeclare)s 184 }; 185}}; 186 187def template MicroNeonMixExecute {{ 188 template <class Element> 189 Fault %(class_name)s<Element>::execute(%(CPU_exec_context)s *xc, 190 Trace::InstRecord *traceData) const 191 { 192 Fault fault = NoFault; 193 uint64_t resTemp = 0; 194 resTemp = resTemp; 195 %(op_decl)s; 196 %(op_rd)s; 197 198 if (%(predicate_test)s) 199 { 200 %(code)s; 201 if (fault == NoFault) 202 { 203 %(op_wb)s; 204 } 205 } else { 206 xc->setPredicate(false); 207 } 208 209 if (fault == NoFault && machInst.itstateMask != 0) { 210 xc->setMiscReg(MISCREG_ITSTATE, machInst.newItstate); 211 } 212 213 return fault; 214 } 215}}; 216 217//////////////////////////////////////////////////////////////////// 218// 219// Neon (un)packing microops using a particular lane 220// 221 222def template MicroNeonMixLaneDeclare {{ 223 template <class Element> 224 class %(class_name)s : public %(base_class)s 225 { 226 public: 227 %(class_name)s(ExtMachInst machInst, RegIndex _dest, RegIndex _op1, 228 uint8_t _step, unsigned _lane) : 229 %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 230 _dest, _op1, _step, _lane) 231 { 232 %(constructor)s; 233 if (!(condCode == COND_AL || condCode == COND_UC)) { 234 for (int x = 0; x < _numDestRegs; x++) { 235 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 236 } 237 } 238 } 239 240 %(BasicExecDeclare)s 241 }; 242}}; 243 244//////////////////////////////////////////////////////////////////// 245// 246// Integer = Integer 247// 248 249def template MicroIntMovDeclare {{ 250 class %(class_name)s : public %(base_class)s 251 { 252 public: 253 %(class_name)s(ExtMachInst machInst, 254 RegIndex _ura, RegIndex _urb); 255 %(BasicExecDeclare)s 256 }; 257}}; 258def template MicroIntMovConstructor {{ 259 %(class_name)s::%(class_name)s(ExtMachInst machInst, 260 RegIndex _ura, 261 RegIndex _urb) 262 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 263 _ura, _urb) 264 { 265 %(constructor)s; 266 if (!(condCode == COND_AL || condCode == COND_UC)) { 267 for (int x = 0; x < _numDestRegs; x++) { 268 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 269 } 270 } 271 } 272}}; 273 274//////////////////////////////////////////////////////////////////// 275// 276// Integer = Integer op Immediate microops 277// 278 279def template MicroIntImmDeclare {{ 280 class %(class_name)s : public %(base_class)s 281 { 282 public: 283 %(class_name)s(ExtMachInst machInst, 284 RegIndex _ura, RegIndex _urb, 285 int32_t _imm); 286 %(BasicExecDeclare)s 287 }; 288}}; 289 290def template MicroIntImmConstructor {{ 291 %(class_name)s::%(class_name)s(ExtMachInst machInst, 292 RegIndex _ura, 293 RegIndex _urb, 294 int32_t _imm) 295 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 296 _ura, _urb, _imm) 297 { 298 %(constructor)s; 299 if (!(condCode == COND_AL || condCode == COND_UC)) { 300 for (int x = 0; x < _numDestRegs; x++) { 301 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 302 } 303 } 304 } 305}}; 306 307def template MicroIntRegDeclare {{ 308 class %(class_name)s : public %(base_class)s 309 { 310 public: 311 %(class_name)s(ExtMachInst machInst, 312 RegIndex _ura, RegIndex _urb, RegIndex _urc, 313 int32_t _shiftAmt, ArmShiftType _shiftType); 314 %(BasicExecDeclare)s 315 }; 316}}; 317 318def template MicroIntRegConstructor {{ 319 %(class_name)s::%(class_name)s(ExtMachInst machInst, 320 RegIndex _ura, RegIndex _urb, RegIndex _urc, 321 int32_t _shiftAmt, ArmShiftType _shiftType) 322 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 323 _ura, _urb, _urc, _shiftAmt, _shiftType) 324 { 325 %(constructor)s; 326 if (!(condCode == COND_AL || condCode == COND_UC)) { 327 for (int x = 0; x < _numDestRegs; x++) { 328 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 329 } 330 } 331 } 332}}; 333 334//////////////////////////////////////////////////////////////////// 335// 336// Macro Memory-format instructions 337// 338 339def template MacroMemDeclare {{ 340/** 341 * Static instructions class for a store multiple instruction 342 */ 343class %(class_name)s : public %(base_class)s 344{ 345 public: 346 // Constructor 347 %(class_name)s(ExtMachInst machInst, IntRegIndex rn, 348 bool index, bool up, bool user, bool writeback, bool load, 349 uint32_t reglist); 350 %(BasicExecPanic)s 351}; 352}}; 353 354def template MacroMemConstructor {{ 355%(class_name)s::%(class_name)s(ExtMachInst machInst, IntRegIndex rn, 356 bool index, bool up, bool user, bool writeback, bool load, 357 uint32_t reglist) 358 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, rn, 359 index, up, user, writeback, load, reglist) 360{ 361 %(constructor)s; 362 if (!(condCode == COND_AL || condCode == COND_UC)) { 363 for (int x = 0; x < _numDestRegs; x++) { 364 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 365 } 366 } 367} 368 369}}; 370 371def template VMemMultDeclare {{ 372class %(class_name)s : public %(base_class)s 373{ 374 public: 375 // Constructor 376 %(class_name)s(ExtMachInst machInst, unsigned width, 377 RegIndex rn, RegIndex vd, unsigned regs, unsigned inc, 378 uint32_t size, uint32_t align, RegIndex rm); 379 %(BasicExecPanic)s 380}; 381}}; 382 383def template VMemMultConstructor {{ 384%(class_name)s::%(class_name)s(ExtMachInst machInst, unsigned width, 385 RegIndex rn, RegIndex vd, unsigned regs, unsigned inc, 386 uint32_t size, uint32_t align, RegIndex rm) 387 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, width, 388 rn, vd, regs, inc, size, align, rm) 389{ 390 %(constructor)s; 391 if (!(condCode == COND_AL || condCode == COND_UC)) { 392 for (int x = 0; x < _numDestRegs; x++) { 393 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 394 } 395 } 396} 397}}; 398 399def template VMemSingleDeclare {{ 400class %(class_name)s : public %(base_class)s 401{ 402 public: 403 // Constructor 404 %(class_name)s(ExtMachInst machInst, bool all, unsigned width, 405 RegIndex rn, RegIndex vd, unsigned regs, unsigned inc, 406 uint32_t size, uint32_t align, RegIndex rm, unsigned lane = 0); 407 %(BasicExecPanic)s 408}; 409}}; 410 411def template VMemSingleConstructor {{ 412%(class_name)s::%(class_name)s(ExtMachInst machInst, bool all, unsigned width, 413 RegIndex rn, RegIndex vd, unsigned regs, unsigned inc, 414 uint32_t size, uint32_t align, RegIndex rm, unsigned lane) 415 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, all, width, 416 rn, vd, regs, inc, size, align, rm, lane) 417{ 418 %(constructor)s; 419 if (!(condCode == COND_AL || condCode == COND_UC)) { 420 for (int x = 0; x < _numDestRegs; x++) { 421 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 422 } 423 } 424} 425}}; 426 427def template MacroVFPMemDeclare {{ 428/** 429 * Static instructions class for a store multiple instruction 430 */ 431class %(class_name)s : public %(base_class)s 432{ 433 public: 434 // Constructor 435 %(class_name)s(ExtMachInst machInst, IntRegIndex rn, 436 RegIndex vd, bool single, bool up, bool writeback, 437 bool load, uint32_t offset); 438 %(BasicExecPanic)s 439}; 440}}; 441 442def template MacroVFPMemConstructor {{ 443%(class_name)s::%(class_name)s(ExtMachInst machInst, IntRegIndex rn, 444 RegIndex vd, bool single, bool up, bool writeback, bool load, 445 uint32_t offset) 446 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, rn, 447 vd, single, up, writeback, load, offset) 448{ 449 %(constructor)s; 450 if (!(condCode == COND_AL || condCode == COND_UC)) { 451 for (int x = 0; x < _numDestRegs; x++) { 452 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x]; 453 } 454 } 455} 456 457}}; 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