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32 #ifndef __SPARC_FAULTS_HH__
33 #define __SPARC_FAULTS_HH__
35 #include "config/full_system.hh"
36 #include "sim/faults.hh"
38 // The design of the "name" and "vect" functions is in sim/faults.hh
43 typedef uint32_t TrapType;
44 typedef uint32_t FaultPriority;
48 class SparcFaultBase : public FaultBase
55 H, Hyperprivileged = H,
63 const TrapType trapType;
64 const FaultPriority priority;
65 const PrivilegeLevel nextPrivilegeLevel[NumLevels];
69 void invoke(ThreadContext * tc);
71 virtual TrapType trapType() = 0;
72 virtual FaultPriority priority() = 0;
73 virtual FaultStat & countStat() = 0;
74 virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0;
78 class SparcFault : public SparcFaultBase
81 static FaultVals vals;
83 FaultName name() const {return vals.name;}
84 TrapType trapType() {return vals.trapType;}
85 FaultPriority priority() {return vals.priority;}
86 FaultStat & countStat() {return vals.count;}
87 PrivilegeLevel getNextLevel(PrivilegeLevel current)
89 return vals.nextPrivilegeLevel[current];
93 class PowerOnReset : public SparcFault<PowerOnReset>
95 void invoke(ThreadContext * tc);
98 class WatchDogReset : public SparcFault<WatchDogReset> {};
100 class ExternallyInitiatedReset : public SparcFault<ExternallyInitiatedReset> {};
102 class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {};
104 class REDStateException : public SparcFault<REDStateException> {};
106 class StoreError : public SparcFault<StoreError> {};
108 class InstructionAccessException : public SparcFault<InstructionAccessException> {};
110 //class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {};
112 class InstructionAccessError : public SparcFault<InstructionAccessError> {};
114 class IllegalInstruction : public SparcFault<IllegalInstruction> {};
116 class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {};
118 //class UnimplementedLDD : public SparcFault<UnimplementedLDD> {};
120 //class UnimplementedSTD : public SparcFault<UnimplementedSTD> {};
122 class FpDisabled : public SparcFault<FpDisabled> {};
124 class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {};
126 class FpExceptionOther : public SparcFault<FpExceptionOther> {};
128 class TagOverflow : public SparcFault<TagOverflow> {};
130 class CleanWindow : public SparcFault<CleanWindow> {};
132 class DivisionByZero : public SparcFault<DivisionByZero> {};
134 class InternalProcessorError :
135 public SparcFault<InternalProcessorError>
138 bool isMachineCheckFault() const {return true;}
141 class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {};
143 class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {};
145 class DataAccessException : public SparcFault<DataAccessException> {};
147 //class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {};
149 class DataAccessError : public SparcFault<DataAccessError> {};
151 class DataAccessProtection : public SparcFault<DataAccessProtection> {};
153 class MemAddressNotAligned :
154 public SparcFault<MemAddressNotAligned>
157 bool isAlignmentFault() const {return true;}
160 class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
162 class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {};
164 class PrivilegedAction : public SparcFault<PrivilegedAction> {};
166 class LDQFMemAddressNotAligned : public SparcFault<LDQFMemAddressNotAligned> {};
168 class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {};
170 class InstructionRealTranslationMiss :
171 public SparcFault<InstructionRealTranslationMiss> {};
173 class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {};
175 //class AsyncDataError : public SparcFault<AsyncDataError> {};
178 class EnumeratedFault : public SparcFault<T>
183 EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {}
184 TrapType trapType() {return SparcFault<T>::trapType() + _n;}
187 class InterruptLevelN : public EnumeratedFault<InterruptLevelN>
190 InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;}
191 FaultPriority priority() {return 3200 - _n*100;}
194 class HstickMatch : public SparcFault<HstickMatch> {};
196 class TrapLevelZero : public SparcFault<TrapLevelZero> {};
198 class InterruptVector : public SparcFault<InterruptVector> {};
200 class PAWatchpoint : public SparcFault<PAWatchpoint> {};
202 class VAWatchpoint : public SparcFault<VAWatchpoint> {};
204 class FastInstructionAccessMMUMiss :
205 public SparcFault<FastInstructionAccessMMUMiss>
211 FastInstructionAccessMMUMiss(Addr addr) : vaddr(addr)
213 void invoke(ThreadContext * tc);
217 class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss>
223 FastDataAccessMMUMiss(Addr addr) : vaddr(addr)
225 void invoke(ThreadContext * tc);
229 class FastDataAccessProtection : public SparcFault<FastDataAccessProtection> {};
231 class InstructionBreakpoint : public SparcFault<InstructionBreakpoint> {};
233 class CpuMondo : public SparcFault<CpuMondo> {};
235 class DevMondo : public SparcFault<DevMondo> {};
237 class ResumableError : public SparcFault<ResumableError> {};
239 class SpillNNormal : public EnumeratedFault<SpillNNormal>
242 SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;}
243 //These need to be handled specially to enable spill traps in SE
245 void invoke(ThreadContext * tc);
249 class SpillNOther : public EnumeratedFault<SpillNOther>
252 SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;}
255 class FillNNormal : public EnumeratedFault<FillNNormal>
258 FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n) {;}
259 //These need to be handled specially to enable fill traps in SE
261 void invoke(ThreadContext * tc);
265 class FillNOther : public EnumeratedFault<FillNOther>
268 FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;}
271 class TrapInstruction : public EnumeratedFault<TrapInstruction>
274 TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n) {;}
275 //In SE, trap instructions are requesting services from the OS.
277 void invoke(ThreadContext * tc);
281 static inline Fault genMachineCheckFault()
283 return new InternalProcessorError;
287 } // SparcISA namespace
289 #endif // __SPARC_FAULTS_HH__