faults.hh revision 4139
14952Sgblack@eecs.umich.edu/* 24952Sgblack@eecs.umich.edu * Copyright (c) 2003-2005 The Regents of The University of Michigan 34952Sgblack@eecs.umich.edu * All rights reserved. 44952Sgblack@eecs.umich.edu * 54952Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 67087Snate@binkert.org * modification, are permitted provided that the following conditions are 77087Snate@binkert.org * met: redistributions of source code must retain the above copyright 87087Snate@binkert.org * notice, this list of conditions and the following disclaimer; 97087Snate@binkert.org * redistributions in binary form must reproduce the above copyright 107087Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 117087Snate@binkert.org * documentation and/or other materials provided with the distribution; 127087Snate@binkert.org * neither the name of the copyright holders nor the names of its 137087Snate@binkert.org * contributors may be used to endorse or promote products derived from 144952Sgblack@eecs.umich.edu * this software without specific prior written permission. 157087Snate@binkert.org * 167087Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 177087Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 187087Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 197087Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 207087Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 217087Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 227087Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234952Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 247087Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254952Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264952Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274952Sgblack@eecs.umich.edu * 284952Sgblack@eecs.umich.edu * Authors: Gabe Black 294952Sgblack@eecs.umich.edu * Kevin Lim 304952Sgblack@eecs.umich.edu */ 314952Sgblack@eecs.umich.edu 324952Sgblack@eecs.umich.edu#ifndef __SPARC_FAULTS_HH__ 334952Sgblack@eecs.umich.edu#define __SPARC_FAULTS_HH__ 344952Sgblack@eecs.umich.edu 354952Sgblack@eecs.umich.edu#include "sim/faults.hh" 364952Sgblack@eecs.umich.edu 374952Sgblack@eecs.umich.edu// The design of the "name" and "vect" functions is in sim/faults.hh 384952Sgblack@eecs.umich.edu 394952Sgblack@eecs.umich.edunamespace SparcISA 404952Sgblack@eecs.umich.edu{ 414952Sgblack@eecs.umich.edu 424952Sgblack@eecs.umich.edutypedef uint32_t TrapType; 434952Sgblack@eecs.umich.edutypedef uint32_t FaultPriority; 444952Sgblack@eecs.umich.edu 454952Sgblack@eecs.umich.educlass SparcFaultBase : public FaultBase 465125Sgblack@eecs.umich.edu{ 474952Sgblack@eecs.umich.edu public: 484952Sgblack@eecs.umich.edu enum PrivilegeLevel 494952Sgblack@eecs.umich.edu { 504952Sgblack@eecs.umich.edu U, User = U, 514952Sgblack@eecs.umich.edu P, Privileged = P, 524952Sgblack@eecs.umich.edu H, Hyperprivileged = H, 534952Sgblack@eecs.umich.edu NumLevels, 544952Sgblack@eecs.umich.edu SH = -1, 554952Sgblack@eecs.umich.edu ShouldntHappen = SH 564952Sgblack@eecs.umich.edu }; 574952Sgblack@eecs.umich.edu struct FaultVals 584952Sgblack@eecs.umich.edu { 594952Sgblack@eecs.umich.edu const FaultName name; 604952Sgblack@eecs.umich.edu const TrapType trapType; 614952Sgblack@eecs.umich.edu const FaultPriority priority; 624952Sgblack@eecs.umich.edu const PrivilegeLevel nextPrivilegeLevel[NumLevels]; 634952Sgblack@eecs.umich.edu FaultStat count; 644952Sgblack@eecs.umich.edu }; 654952Sgblack@eecs.umich.edu#if FULL_SYSTEM 664952Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 674952Sgblack@eecs.umich.edu#endif 684952Sgblack@eecs.umich.edu virtual FaultName name() = 0; 694952Sgblack@eecs.umich.edu virtual TrapType trapType() = 0; 704952Sgblack@eecs.umich.edu virtual FaultPriority priority() = 0; 715125Sgblack@eecs.umich.edu virtual FaultStat & countStat() = 0; 725125Sgblack@eecs.umich.edu virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0; 735125Sgblack@eecs.umich.edu}; 745125Sgblack@eecs.umich.edu 755125Sgblack@eecs.umich.edutemplate<typename T> 765125Sgblack@eecs.umich.educlass SparcFault : public SparcFaultBase 775125Sgblack@eecs.umich.edu{ 785125Sgblack@eecs.umich.edu protected: 795125Sgblack@eecs.umich.edu static FaultVals vals; 805125Sgblack@eecs.umich.edu public: 815125Sgblack@eecs.umich.edu FaultName name() {return vals.name;} 825125Sgblack@eecs.umich.edu TrapType trapType() {return vals.trapType;} 835125Sgblack@eecs.umich.edu FaultPriority priority() {return vals.priority;} 845125Sgblack@eecs.umich.edu FaultStat & countStat() {return vals.count;} 855125Sgblack@eecs.umich.edu PrivilegeLevel getNextLevel(PrivilegeLevel current) 865125Sgblack@eecs.umich.edu { 875125Sgblack@eecs.umich.edu return vals.nextPrivilegeLevel[current]; 887626Sgblack@eecs.umich.edu } 897626Sgblack@eecs.umich.edu}; 905125Sgblack@eecs.umich.edu 915125Sgblack@eecs.umich.educlass PowerOnReset : public SparcFault<PowerOnReset> 925125Sgblack@eecs.umich.edu{ 935125Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 945125Sgblack@eecs.umich.edu}; 955125Sgblack@eecs.umich.edu 965125Sgblack@eecs.umich.educlass WatchDogReset : public SparcFault<WatchDogReset> {}; 975125Sgblack@eecs.umich.edu 98class ExternallyInitiatedReset : public SparcFault<ExternallyInitiatedReset> {}; 99 100class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {}; 101 102class REDStateException : public SparcFault<REDStateException> {}; 103 104class StoreError : public SparcFault<StoreError> {}; 105 106class InstructionAccessException : public SparcFault<InstructionAccessException> {}; 107 108//class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {}; 109 110class InstructionAccessError : public SparcFault<InstructionAccessError> {}; 111 112class IllegalInstruction : public SparcFault<IllegalInstruction> {}; 113 114class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {}; 115 116//class UnimplementedLDD : public SparcFault<UnimplementedLDD> {}; 117 118//class UnimplementedSTD : public SparcFault<UnimplementedSTD> {}; 119 120class FpDisabled : public SparcFault<FpDisabled> {}; 121 122class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {}; 123 124class FpExceptionOther : public SparcFault<FpExceptionOther> {}; 125 126class TagOverflow : public SparcFault<TagOverflow> {}; 127 128class CleanWindow : public SparcFault<CleanWindow> {}; 129 130class DivisionByZero : public SparcFault<DivisionByZero> {}; 131 132class InternalProcessorError : 133 public SparcFault<InternalProcessorError> 134{ 135 public: 136 bool isMachineCheckFault() {return true;} 137}; 138 139class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {}; 140 141class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {}; 142 143class DataAccessException : public SparcFault<DataAccessException> {}; 144 145//class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {}; 146 147class DataAccessError : public SparcFault<DataAccessError> {}; 148 149class DataAccessProtection : public SparcFault<DataAccessProtection> {}; 150 151class MemAddressNotAligned : 152 public SparcFault<MemAddressNotAligned> 153{ 154 public: 155 bool isAlignmentFault() {return true;} 156}; 157 158class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {}; 159 160class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {}; 161 162class PrivilegedAction : public SparcFault<PrivilegedAction> {}; 163 164class LDQFMemAddressNotAligned : public SparcFault<LDQFMemAddressNotAligned> {}; 165 166class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {}; 167 168class InstructionRealTranslationMiss : 169 public SparcFault<InstructionRealTranslationMiss> {}; 170 171class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {}; 172 173//class AsyncDataError : public SparcFault<AsyncDataError> {}; 174 175template <class T> 176class EnumeratedFault : public SparcFault<T> 177{ 178 protected: 179 uint32_t _n; 180 public: 181 EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {} 182 TrapType trapType() {return SparcFault<T>::trapType() + _n;} 183}; 184 185class InterruptLevelN : public EnumeratedFault<InterruptLevelN> 186{ 187 public: 188 InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;} 189 FaultPriority priority() {return 3200 - _n*100;} 190}; 191 192class HstickMatch : public SparcFault<HstickMatch> {}; 193 194class TrapLevelZero : public SparcFault<TrapLevelZero> {}; 195 196class InterruptVector : public SparcFault<InterruptVector> {}; 197 198class PAWatchpoint : public SparcFault<PAWatchpoint> {}; 199 200class VAWatchpoint : public SparcFault<VAWatchpoint> {}; 201 202class FastInstructionAccessMMUMiss : 203 public SparcFault<FastInstructionAccessMMUMiss> {}; 204 205class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss> {}; 206 207class FastDataAccessProtection : public SparcFault<FastDataAccessProtection> {}; 208 209class InstructionBreakpoint : public SparcFault<InstructionBreakpoint> {}; 210 211class CpuMondo : public SparcFault<CpuMondo> {}; 212 213class DevMondo : public SparcFault<DevMondo> {}; 214 215class ResumableError : public SparcFault<ResumableError> {}; 216 217class SpillNNormal : public EnumeratedFault<SpillNNormal> 218{ 219 public: 220 SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;} 221 //These need to be handled specially to enable spill traps in SE 222#if !FULL_SYSTEM 223 void invoke(ThreadContext * tc); 224#endif 225}; 226 227class SpillNOther : public EnumeratedFault<SpillNOther> 228{ 229 public: 230 SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;} 231}; 232 233class FillNNormal : public EnumeratedFault<FillNNormal> 234{ 235 public: 236 FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n) {;} 237 //These need to be handled specially to enable fill traps in SE 238#if !FULL_SYSTEM 239 void invoke(ThreadContext * tc); 240#endif 241}; 242 243class FillNOther : public EnumeratedFault<FillNOther> 244{ 245 public: 246 FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;} 247}; 248 249class TrapInstruction : public EnumeratedFault<TrapInstruction> 250{ 251 public: 252 TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n) {;} 253 //In SE, trap instructions are requesting services from the OS. 254#if !FULL_SYSTEM 255 void invoke(ThreadContext * tc); 256#endif 257}; 258 259#if !FULL_SYSTEM 260class PageTableFault : public SparcFault<PageTableFault> 261{ 262 private: 263 Addr vaddr; 264 public: 265 PageTableFault(Addr va) : vaddr(va) {} 266 void invoke(ThreadContext * tc); 267}; 268 269static inline Fault genPageTableFault(Addr va) 270{ 271 return new PageTableFault(va); 272} 273#endif 274 275static inline Fault genMachineCheckFault() 276{ 277 return new InternalProcessorError; 278} 279 280static inline Fault genAlignmentFault() 281{ 282 return new MemAddressNotAligned; 283} 284 285 286} // SparcISA namespace 287 288#endif // __SPARC_FAULTS_HH__ 289