faults.hh revision 6379
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 void setExceptionState(ThreadContext *, uint8_t); 58 void setHandlerPC(Addr, ThreadContext *); 59#endif 60 virtual FaultVect vect() = 0; 61 virtual FaultStat & countStat() = 0; 62}; 63 64class MachineCheckFault : public MipsFault 65{ 66 private: 67 static FaultName _name; 68 static FaultVect _vect; 69 static FaultStat _count; 70 public: 71 FaultName name() const {return _name;} 72 FaultVect vect() {return _vect;} 73 FaultStat & countStat() {return _count;} 74 bool isMachineCheckFault() {return true;} 75}; 76 77class NonMaskableInterrupt : public MipsFault 78{ 79 private: 80 static FaultName _name; 81 static FaultVect _vect; 82 static FaultStat _count; 83 public: 84 FaultName name() const {return _name;} 85 FaultVect vect() {return _vect;} 86 FaultStat & countStat() {return _count;} 87 bool isNonMaskableInterrupt() {return true;} 88}; 89 90class AlignmentFault : public MipsFault 91{ 92 private: 93 static FaultName _name; 94 static FaultVect _vect; 95 static FaultStat _count; 96 public: 97 FaultName name() const {return _name;} 98 FaultVect vect() {return _vect;} 99 FaultStat & countStat() {return _count;} 100 bool isAlignmentFault() {return true;} 101}; 102 103class AddressErrorFault : public MipsFault 104{ 105 private: 106 static FaultName _name; 107 static FaultVect _vect; 108 static FaultStat _count; 109 public: 110 FaultName name() const {return _name;} 111 FaultVect vect() {return _vect;} 112 FaultStat & countStat() {return _count;} 113#if FULL_SYSTEM 114 void invoke(ThreadContext * tc); 115#endif 116 117}; 118 119class StoreAddressErrorFault : public MipsFault 120{ 121 private: 122 static FaultName _name; 123 static FaultVect _vect; 124 static FaultStat _count; 125 public: 126 FaultName name() const {return _name;} 127 FaultVect vect() {return _vect;} 128 FaultStat & countStat() {return _count;} 129#if FULL_SYSTEM 130 void invoke(ThreadContext * tc); 131#endif 132}; 133 134class UnimplementedOpcodeFault : public MipsFault 135{ 136 private: 137 static FaultName _name; 138 static FaultVect _vect; 139 static FaultStat _count; 140 public: 141 FaultName name() const {return _name;} 142 FaultVect vect() {return _vect;} 143 FaultStat & countStat() {return _count;} 144}; 145 146 147class TLBRefillIFetchFault : public MipsFault 148{ 149 private: 150 Addr vaddr; 151 static FaultName _name; 152 static FaultVect _vect; 153 static FaultStat _count; 154 public: 155 FaultName name() const {return _name;} 156 FaultVect vect() {return _vect;} 157 FaultStat & countStat() {return _count;} 158 void invoke(ThreadContext * tc); 159}; 160 161class TLBInvalidIFetchFault : public MipsFault 162{ 163 private: 164 Addr vaddr; 165 static FaultName _name; 166 static FaultVect _vect; 167 static FaultStat _count; 168 public: 169 FaultName name() const {return _name;} 170 FaultVect vect() {return _vect;} 171 FaultStat & countStat() {return _count;} 172 void invoke(ThreadContext * tc); 173}; 174 175class NDtbMissFault : public MipsFault 176{ 177 private: 178 static FaultName _name; 179 static FaultVect _vect; 180 static FaultStat _count; 181 public: 182 FaultName name() const {return _name;} 183 FaultVect vect() {return _vect;} 184 FaultStat & countStat() {return _count;} 185}; 186 187class PDtbMissFault : public MipsFault 188{ 189 private: 190 static FaultName _name; 191 static FaultVect _vect; 192 static FaultStat _count; 193 public: 194 FaultName name() const {return _name;} 195 FaultVect vect() {return _vect;} 196 FaultStat & countStat() {return _count;} 197}; 198 199class DtbPageFault : public MipsFault 200{ 201 private: 202 static FaultName _name; 203 static FaultVect _vect; 204 static FaultStat _count; 205 public: 206 FaultName name() const {return _name;} 207 FaultVect vect() {return _vect;} 208 FaultStat & countStat() {return _count;} 209}; 210 211class DtbAcvFault : public MipsFault 212{ 213 private: 214 static FaultName _name; 215 static FaultVect _vect; 216 static FaultStat _count; 217 public: 218 FaultName name() const {return _name;} 219 FaultVect vect() {return _vect;} 220 FaultStat & countStat() {return _count;} 221}; 222 223class CacheErrorFault : public MipsFault 224{ 225 private: 226 Addr vaddr; 227 static FaultName _name; 228 static FaultVect _vect; 229 static FaultStat _count; 230 public: 231 FaultName name() const {return _name;} 232 FaultVect vect() {return _vect;} 233 FaultStat & countStat() {return _count;} 234 void invoke(ThreadContext * tc); 235}; 236 237 238 239 240static inline Fault genMachineCheckFault() 241{ 242 return new MachineCheckFault; 243} 244 245static inline Fault genAlignmentFault() 246{ 247 return new AlignmentFault; 248} 249 250class ResetFault : public MipsFault 251{ 252 private: 253 static FaultName _name; 254 static FaultVect _vect; 255 static FaultStat _count; 256 public: 257 FaultName name() const {return _name;} 258 FaultVect vect() {return _vect;} 259 FaultStat & countStat() {return _count;} 260 void invoke(ThreadContext * tc); 261 262}; 263 264class SystemCallFault : public MipsFault 265{ 266 private: 267 static FaultName _name; 268 static FaultVect _vect; 269 static FaultStat _count; 270 public: 271 FaultName name() const {return _name;} 272 FaultVect vect() {return _vect;} 273 FaultStat & countStat() {return _count;} 274 void invoke(ThreadContext * tc); 275}; 276 277class SoftResetFault : public MipsFault 278{ 279 private: 280 static FaultName _name; 281 static FaultVect _vect; 282 static FaultStat _count; 283 public: 284 FaultName name() const {return _name;} 285 FaultVect vect() {return _vect;} 286 FaultStat & countStat() {return _count;} 287 void invoke(ThreadContext * tc); 288}; 289 290class DebugSingleStep : public MipsFault 291{ 292 private: 293 static FaultName _name; 294 static FaultVect _vect; 295 static FaultStat _count; 296 public: 297 FaultName name() const {return _name;} 298 FaultVect vect() {return _vect;} 299 FaultStat & countStat() {return _count;} 300 void invoke(ThreadContext * tc); 301}; 302 303class DebugInterrupt : public MipsFault 304{ 305 private: 306 static FaultName _name; 307 static FaultVect _vect; 308 static FaultStat _count; 309 public: 310 FaultName name() const {return _name;} 311 FaultVect vect() {return _vect;} 312 FaultStat & countStat() {return _count;} 313 void invoke(ThreadContext * tc); 314}; 315 316class CoprocessorUnusableFault : public MipsFault 317{ 318 private: 319 static FaultName _name; 320 static FaultVect _vect; 321 static FaultStat _count; 322 int coProcID; 323 public: 324 FaultName name() const {return _name;} 325 FaultVect vect() {return _vect;} 326 FaultStat & countStat() {return _count;} 327 void invoke(ThreadContext * tc); 328 CoprocessorUnusableFault(int _procid){ coProcID = _procid;} 329}; 330 331class ReservedInstructionFault : public MipsFault 332{ 333 private: 334 static FaultName _name; 335 static FaultVect _vect; 336 static FaultStat _count; 337 public: 338 FaultName name() const {return _name;} 339 FaultVect vect() {return _vect;} 340 FaultStat & countStat() {return _count;} 341 void invoke(ThreadContext * tc); 342}; 343 344class ThreadFault : 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}; 356 357class ArithmeticFault : public MipsFault 358{ 359 protected: 360 bool skipFaultingInstruction() {return true;} 361 private: 362 static FaultName _name; 363 static FaultVect _vect; 364 static FaultStat _count; 365 public: 366 FaultName name() const {return _name;} 367 FaultVect vect() {return _vect;} 368 FaultStat & countStat() {return _count;} 369#if FULL_SYSTEM 370 void invoke(ThreadContext * tc); 371#endif 372}; 373 374class InterruptFault : public MipsFault 375{ 376 protected: 377 bool setRestartAddress() {return false;} 378 private: 379 static FaultName _name; 380 static FaultVect _vect; 381 static FaultStat _count; 382 public: 383 FaultName name() const {return _name;} 384 FaultVect vect() {return _vect;} 385 FaultStat & countStat() {return _count;} 386 387#if FULL_SYSTEM 388 void invoke(ThreadContext * tc); 389#endif 390}; 391 392class TrapFault : public MipsFault 393{ 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#if FULL_SYSTEM 403 void invoke(ThreadContext * tc); 404#endif 405}; 406 407class BreakpointFault : public MipsFault 408{ 409 private: 410 static FaultName _name; 411 static FaultVect _vect; 412 static FaultStat _count; 413 public: 414 FaultName name() const {return _name;} 415 FaultVect vect() {return _vect;} 416 FaultStat & countStat() {return _count;} 417#if FULL_SYSTEM 418 void invoke(ThreadContext * tc); 419#endif 420}; 421 422class ItbRefillFault : public MipsFault 423{ 424 private: 425 static FaultName _name; 426 static FaultVect _vect; 427 static FaultStat _count; 428 public: 429 FaultName name() const {return _name;} 430 FaultVect vect() {return _vect;} 431 FaultStat & countStat() {return _count;} 432#if FULL_SYSTEM 433 void invoke(ThreadContext * tc); 434#endif 435}; 436 437class DtbRefillFault : public MipsFault 438{ 439 private: 440 static FaultName _name; 441 static FaultVect _vect; 442 static FaultStat _count; 443 public: 444 FaultName name() const {return _name;} 445 FaultVect vect() {return _vect;} 446 FaultStat & countStat() {return _count;} 447#if FULL_SYSTEM 448 void invoke(ThreadContext * tc); 449#endif 450}; 451 452class ItbPageFault : public MipsFault 453{ 454 private: 455 static FaultName _name; 456 static FaultVect _vect; 457 static FaultStat _count; 458 public: 459 FaultName name() const {return _name;} 460 FaultVect vect() {return _vect;} 461 FaultStat & countStat() {return _count;} 462#if FULL_SYSTEM 463 void invoke(ThreadContext * tc); 464#endif 465}; 466 467class ItbInvalidFault : public MipsFault 468{ 469 private: 470 static FaultName _name; 471 static FaultVect _vect; 472 static FaultStat _count; 473 public: 474 FaultName name() const {return _name;} 475 FaultVect vect() {return _vect;} 476 FaultStat & countStat() {return _count;} 477#if FULL_SYSTEM 478 void invoke(ThreadContext * tc); 479#endif 480}; 481 482class TLBModifiedFault : public MipsFault 483{ 484 private: 485 static FaultName _name; 486 static FaultVect _vect; 487 static FaultStat _count; 488 public: 489 FaultName name() const {return _name;} 490 FaultVect vect() {return _vect;} 491 FaultStat & countStat() {return _count;} 492#if FULL_SYSTEM 493 void invoke(ThreadContext * tc); 494#endif 495}; 496 497class DtbInvalidFault : public MipsFault 498{ 499 private: 500 static FaultName _name; 501 static FaultVect _vect; 502 static FaultStat _count; 503 public: 504 FaultName name() const {return _name;} 505 FaultVect vect() {return _vect;} 506 FaultStat & countStat() {return _count;} 507#if FULL_SYSTEM 508 void invoke(ThreadContext * tc); 509#endif 510}; 511 512class FloatEnableFault : public MipsFault 513{ 514 private: 515 static FaultName _name; 516 static FaultVect _vect; 517 static FaultStat _count; 518 public: 519 FaultName name() const {return _name;} 520 FaultVect vect() {return _vect;} 521 FaultStat & countStat() {return _count;} 522}; 523 524class ItbMissFault : public MipsFault 525{ 526 private: 527 static FaultName _name; 528 static FaultVect _vect; 529 static FaultStat _count; 530 public: 531 FaultName name() const {return _name;} 532 FaultVect vect() {return _vect;} 533 FaultStat & countStat() {return _count;} 534}; 535 536class ItbAcvFault : public MipsFault 537{ 538 private: 539 static FaultName _name; 540 static FaultVect _vect; 541 static FaultStat _count; 542 public: 543 FaultName name() const {return _name;} 544 FaultVect vect() {return _vect;} 545 FaultStat & countStat() {return _count;} 546}; 547 548class IntegerOverflowFault : public MipsFault 549{ 550 private: 551 static FaultName _name; 552 static FaultVect _vect; 553 static FaultStat _count; 554 public: 555 FaultName name() const {return _name;} 556 FaultVect vect() {return _vect;} 557 FaultStat & countStat() {return _count;} 558}; 559 560class DspStateDisabledFault : public MipsFault 561{ 562 private: 563 static FaultName _name; 564 static FaultVect _vect; 565 static FaultStat _count; 566 public: 567 FaultName name() const {return _name;} 568 FaultVect vect() {return _vect;} 569 FaultStat & countStat() {return _count;} 570 void invoke(ThreadContext * tc); 571}; 572 573} // MipsISA namespace 574 575#endif // __MIPS_FAULTS_HH__ 576