faults.hh revision 7678
1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * Copyright (c) 2007 MIPS Technologies, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Authors: Gabe Black 30 * Korey Sewell 31 * Jaidev Patwardhan 32 */ 33 34#ifndef __MIPS_FAULTS_HH__ 35#define __MIPS_FAULTS_HH__ 36 37#include "sim/faults.hh" 38 39namespace MipsISA 40{ 41 42typedef const Addr FaultVect; 43 44class MipsFault : public FaultBase 45{ 46 protected: 47 virtual bool skipFaultingInstruction() {return false;} 48 virtual bool setRestartAddress() {return true;} 49 public: 50 Addr badVAddr; 51 Addr entryHiAsid; 52 Addr entryHiVPN2; 53 Addr entryHiVPN2X; 54 Addr contextBadVPN2; 55#if FULL_SYSTEM 56 void invoke(ThreadContext * tc, 57 StaticInst::StaticInstPtr inst = StaticInst::nullStaticInstPtr) 58 {} 59 void setExceptionState(ThreadContext *, uint8_t); 60 void setHandlerPC(Addr, ThreadContext *); 61#endif 62 virtual FaultVect vect() = 0; 63 virtual FaultStat & countStat() = 0; 64}; 65 66class MachineCheckFault : public MipsFault 67{ 68 private: 69 static FaultName _name; 70 static FaultVect _vect; 71 static FaultStat _count; 72 public: 73 FaultName name() const {return _name;} 74 FaultVect vect() {return _vect;} 75 FaultStat & countStat() {return _count;} 76 bool isMachineCheckFault() {return true;} 77}; 78 79class NonMaskableInterrupt : public MipsFault 80{ 81 private: 82 static FaultName _name; 83 static FaultVect _vect; 84 static FaultStat _count; 85 public: 86 FaultName name() const {return _name;} 87 FaultVect vect() {return _vect;} 88 FaultStat & countStat() {return _count;} 89 bool isNonMaskableInterrupt() {return true;} 90}; 91 92class AlignmentFault : public MipsFault 93{ 94 private: 95 static FaultName _name; 96 static FaultVect _vect; 97 static FaultStat _count; 98 public: 99 FaultName name() const {return _name;} 100 FaultVect vect() {return _vect;} 101 FaultStat & countStat() {return _count;} 102 bool isAlignmentFault() {return true;} 103}; 104 105class AddressErrorFault : public MipsFault 106{ 107 private: 108 static FaultName _name; 109 static FaultVect _vect; 110 static FaultStat _count; 111 public: 112 FaultName name() const {return _name;} 113 FaultVect vect() {return _vect;} 114 FaultStat & countStat() {return _count;} 115#if FULL_SYSTEM 116 void invoke(ThreadContext * tc, 117 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 118#endif 119 120}; 121 122class StoreAddressErrorFault : public MipsFault 123{ 124 private: 125 static FaultName _name; 126 static FaultVect _vect; 127 static FaultStat _count; 128 public: 129 FaultName name() const {return _name;} 130 FaultVect vect() {return _vect;} 131 FaultStat & countStat() {return _count;} 132#if FULL_SYSTEM 133 void invoke(ThreadContext * tc, 134 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 135#endif 136}; 137 138class UnimplementedOpcodeFault : public MipsFault 139{ 140 private: 141 static FaultName _name; 142 static FaultVect _vect; 143 static FaultStat _count; 144 public: 145 FaultName name() const {return _name;} 146 FaultVect vect() {return _vect;} 147 FaultStat & countStat() {return _count;} 148}; 149 150 151class TLBRefillIFetchFault : public MipsFault 152{ 153 private: 154 Addr vaddr; 155 static FaultName _name; 156 static FaultVect _vect; 157 static FaultStat _count; 158 public: 159 FaultName name() const {return _name;} 160 FaultVect vect() {return _vect;} 161 FaultStat & countStat() {return _count;} 162 void invoke(ThreadContext * tc, 163 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 164}; 165 166class TLBInvalidIFetchFault : public MipsFault 167{ 168 private: 169 Addr vaddr; 170 static FaultName _name; 171 static FaultVect _vect; 172 static FaultStat _count; 173 public: 174 FaultName name() const {return _name;} 175 FaultVect vect() {return _vect;} 176 FaultStat & countStat() {return _count;} 177 void invoke(ThreadContext * tc, 178 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 179}; 180 181class NDtbMissFault : public MipsFault 182{ 183 private: 184 static FaultName _name; 185 static FaultVect _vect; 186 static FaultStat _count; 187 public: 188 FaultName name() const {return _name;} 189 FaultVect vect() {return _vect;} 190 FaultStat & countStat() {return _count;} 191}; 192 193class PDtbMissFault : public MipsFault 194{ 195 private: 196 static FaultName _name; 197 static FaultVect _vect; 198 static FaultStat _count; 199 public: 200 FaultName name() const {return _name;} 201 FaultVect vect() {return _vect;} 202 FaultStat & countStat() {return _count;} 203}; 204 205class DtbPageFault : public MipsFault 206{ 207 private: 208 static FaultName _name; 209 static FaultVect _vect; 210 static FaultStat _count; 211 public: 212 FaultName name() const {return _name;} 213 FaultVect vect() {return _vect;} 214 FaultStat & countStat() {return _count;} 215}; 216 217class DtbAcvFault : public MipsFault 218{ 219 private: 220 static FaultName _name; 221 static FaultVect _vect; 222 static FaultStat _count; 223 public: 224 FaultName name() const {return _name;} 225 FaultVect vect() {return _vect;} 226 FaultStat & countStat() {return _count;} 227}; 228 229class CacheErrorFault : public MipsFault 230{ 231 private: 232 Addr vaddr; 233 static FaultName _name; 234 static FaultVect _vect; 235 static FaultStat _count; 236 public: 237 FaultName name() const {return _name;} 238 FaultVect vect() {return _vect;} 239 FaultStat & countStat() {return _count;} 240 void invoke(ThreadContext * tc, 241 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 242}; 243 244 245 246 247static inline Fault genMachineCheckFault() 248{ 249 return new MachineCheckFault; 250} 251 252static inline Fault genAlignmentFault() 253{ 254 return new AlignmentFault; 255} 256 257class ResetFault : public MipsFault 258{ 259 private: 260 static FaultName _name; 261 static FaultVect _vect; 262 static FaultStat _count; 263 public: 264 FaultName name() const {return _name;} 265 FaultVect vect() {return _vect;} 266 FaultStat & countStat() {return _count;} 267 void invoke(ThreadContext * tc, 268 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 269 270}; 271 272class SystemCallFault : public MipsFault 273{ 274 private: 275 static FaultName _name; 276 static FaultVect _vect; 277 static FaultStat _count; 278 public: 279 FaultName name() const {return _name;} 280 FaultVect vect() {return _vect;} 281 FaultStat & countStat() {return _count;} 282 void invoke(ThreadContext * tc, 283 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 284}; 285 286class SoftResetFault : public MipsFault 287{ 288 private: 289 static FaultName _name; 290 static FaultVect _vect; 291 static FaultStat _count; 292 public: 293 FaultName name() const {return _name;} 294 FaultVect vect() {return _vect;} 295 FaultStat & countStat() {return _count;} 296 void invoke(ThreadContext * tc, 297 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 298}; 299 300class DebugSingleStep : public MipsFault 301{ 302 private: 303 static FaultName _name; 304 static FaultVect _vect; 305 static FaultStat _count; 306 public: 307 FaultName name() const {return _name;} 308 FaultVect vect() {return _vect;} 309 FaultStat & countStat() {return _count;} 310 void invoke(ThreadContext * tc, 311 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 312}; 313 314class DebugInterrupt : public MipsFault 315{ 316 private: 317 static FaultName _name; 318 static FaultVect _vect; 319 static FaultStat _count; 320 public: 321 FaultName name() const {return _name;} 322 FaultVect vect() {return _vect;} 323 FaultStat & countStat() {return _count;} 324 void invoke(ThreadContext * tc, 325 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 326}; 327 328class CoprocessorUnusableFault : public MipsFault 329{ 330 private: 331 static FaultName _name; 332 static FaultVect _vect; 333 static FaultStat _count; 334 int coProcID; 335 public: 336 FaultName name() const {return _name;} 337 FaultVect vect() {return _vect;} 338 FaultStat & countStat() {return _count;} 339 void invoke(ThreadContext * tc, 340 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 341 CoprocessorUnusableFault(int _procid){ coProcID = _procid;} 342}; 343 344class ReservedInstructionFault : public MipsFault 345{ 346 private: 347 static FaultName _name; 348 static FaultVect _vect; 349 static FaultStat _count; 350 public: 351 FaultName name() const {return _name;} 352 FaultVect vect() {return _vect;} 353 FaultStat & countStat() {return _count;} 354 void invoke(ThreadContext * tc, 355 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 356}; 357 358class ThreadFault : public MipsFault 359{ 360 private: 361 static FaultName _name; 362 static FaultVect _vect; 363 static FaultStat _count; 364 public: 365 FaultName name() const {return _name;} 366 FaultVect vect() {return _vect;} 367 FaultStat & countStat() {return _count;} 368 void invoke(ThreadContext * tc, 369 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 370}; 371 372class ArithmeticFault : public MipsFault 373{ 374 protected: 375 bool skipFaultingInstruction() {return true;} 376 private: 377 static FaultName _name; 378 static FaultVect _vect; 379 static FaultStat _count; 380 public: 381 FaultName name() const {return _name;} 382 FaultVect vect() {return _vect;} 383 FaultStat & countStat() {return _count;} 384#if FULL_SYSTEM 385 void invoke(ThreadContext * tc, 386 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 387#endif 388}; 389 390class InterruptFault : public MipsFault 391{ 392 protected: 393 bool setRestartAddress() {return false;} 394 private: 395 static FaultName _name; 396 static FaultVect _vect; 397 static FaultStat _count; 398 public: 399 FaultName name() const {return _name;} 400 FaultVect vect() {return _vect;} 401 FaultStat & countStat() {return _count;} 402 403#if FULL_SYSTEM 404 void invoke(ThreadContext * tc, 405 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 406#endif 407}; 408 409class TrapFault : public MipsFault 410{ 411 private: 412 static FaultName _name; 413 static FaultVect _vect; 414 static FaultStat _count; 415 public: 416 FaultName name() const {return _name;} 417 FaultVect vect() {return _vect;} 418 FaultStat & countStat() {return _count;} 419#if FULL_SYSTEM 420 void invoke(ThreadContext * tc, 421 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 422#endif 423}; 424 425class BreakpointFault : public MipsFault 426{ 427 private: 428 static FaultName _name; 429 static FaultVect _vect; 430 static FaultStat _count; 431 public: 432 FaultName name() const {return _name;} 433 FaultVect vect() {return _vect;} 434 FaultStat & countStat() {return _count;} 435#if FULL_SYSTEM 436 void invoke(ThreadContext * tc, 437 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 438#endif 439}; 440 441class ItbRefillFault : public MipsFault 442{ 443 private: 444 static FaultName _name; 445 static FaultVect _vect; 446 static FaultStat _count; 447 public: 448 FaultName name() const {return _name;} 449 FaultVect vect() {return _vect;} 450 FaultStat & countStat() {return _count;} 451#if FULL_SYSTEM 452 void invoke(ThreadContext * tc, 453 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 454#endif 455}; 456 457class DtbRefillFault : public MipsFault 458{ 459 private: 460 static FaultName _name; 461 static FaultVect _vect; 462 static FaultStat _count; 463 public: 464 FaultName name() const {return _name;} 465 FaultVect vect() {return _vect;} 466 FaultStat & countStat() {return _count;} 467#if FULL_SYSTEM 468 void invoke(ThreadContext * tc, 469 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 470#endif 471}; 472 473class ItbPageFault : public MipsFault 474{ 475 private: 476 static FaultName _name; 477 static FaultVect _vect; 478 static FaultStat _count; 479 public: 480 FaultName name() const {return _name;} 481 FaultVect vect() {return _vect;} 482 FaultStat & countStat() {return _count;} 483#if FULL_SYSTEM 484 void invoke(ThreadContext * tc, 485 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 486#endif 487}; 488 489class ItbInvalidFault : public MipsFault 490{ 491 private: 492 static FaultName _name; 493 static FaultVect _vect; 494 static FaultStat _count; 495 public: 496 FaultName name() const {return _name;} 497 FaultVect vect() {return _vect;} 498 FaultStat & countStat() {return _count;} 499#if FULL_SYSTEM 500 void invoke(ThreadContext * tc, 501 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 502#endif 503}; 504 505class TLBModifiedFault : public MipsFault 506{ 507 private: 508 static FaultName _name; 509 static FaultVect _vect; 510 static FaultStat _count; 511 public: 512 FaultName name() const {return _name;} 513 FaultVect vect() {return _vect;} 514 FaultStat & countStat() {return _count;} 515#if FULL_SYSTEM 516 void invoke(ThreadContext * tc, 517 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 518#endif 519}; 520 521class DtbInvalidFault : public MipsFault 522{ 523 private: 524 static FaultName _name; 525 static FaultVect _vect; 526 static FaultStat _count; 527 public: 528 FaultName name() const {return _name;} 529 FaultVect vect() {return _vect;} 530 FaultStat & countStat() {return _count;} 531#if FULL_SYSTEM 532 void invoke(ThreadContext * tc, 533 StaticInst::StaticInstPtr inst = nullStaticInstPtr); 534#endif 535}; 536 537class FloatEnableFault : public MipsFault 538{ 539 private: 540 static FaultName _name; 541 static FaultVect _vect; 542 static FaultStat _count; 543 public: 544 FaultName name() const {return _name;} 545 FaultVect vect() {return _vect;} 546 FaultStat & countStat() {return _count;} 547}; 548 549class ItbMissFault : public MipsFault 550{ 551 private: 552 static FaultName _name; 553 static FaultVect _vect; 554 static FaultStat _count; 555 public: 556 FaultName name() const {return _name;} 557 FaultVect vect() {return _vect;} 558 FaultStat & countStat() {return _count;} 559}; 560 561class ItbAcvFault : public MipsFault 562{ 563 private: 564 static FaultName _name; 565 static FaultVect _vect; 566 static FaultStat _count; 567 public: 568 FaultName name() const {return _name;} 569 FaultVect vect() {return _vect;} 570 FaultStat & countStat() {return _count;} 571}; 572 573class IntegerOverflowFault : public MipsFault 574{ 575 private: 576 static FaultName _name; 577 static FaultVect _vect; 578 static FaultStat _count; 579 public: 580 FaultName name() const {return _name;} 581 FaultVect vect() {return _vect;} 582 FaultStat & countStat() {return _count;} 583}; 584 585class DspStateDisabledFault : public MipsFault 586{ 587 private: 588 static FaultName _name; 589 static FaultVect _vect; 590 static FaultStat _count; 591 public: 592 FaultName name() const {return _name;} 593 FaultVect vect() {return _vect;} 594 FaultStat & countStat() {return _count;} 595 void invoke(ThreadContext * tc, 596 StaticInstPtr inst = StaticInst::nullStaticInstPtr); 597}; 598 599} // MipsISA namespace 600 601#endif // __MIPS_FAULTS_HH__ 602