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32 #ifndef __SPARC_FAULTS_HH__
33 #define __SPARC_FAULTS_HH__
35 #include "config/full_system.hh"
36 #include "cpu/static_inst.hh"
37 #include "sim/faults.hh"
39 // The design of the "name" and "vect" functions is in sim/faults.hh
44 typedef uint32_t TrapType;
45 typedef uint32_t FaultPriority;
49 class SparcFaultBase : public FaultBase
56 H, Hyperprivileged = H,
64 const TrapType trapType;
65 const FaultPriority priority;
66 const PrivilegeLevel nextPrivilegeLevel[NumLevels];
70 void invoke(ThreadContext * tc,
71 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
73 virtual TrapType trapType() = 0;
74 virtual FaultPriority priority() = 0;
75 virtual FaultStat & countStat() = 0;
76 virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0;
80 class SparcFault : public SparcFaultBase
83 static FaultVals vals;
85 FaultName name() const { return vals.name; }
86 TrapType trapType() { return vals.trapType; }
87 FaultPriority priority() { return vals.priority; }
88 FaultStat & countStat() { return vals.count; }
91 getNextLevel(PrivilegeLevel current)
93 return vals.nextPrivilegeLevel[current];
97 class PowerOnReset : public SparcFault<PowerOnReset>
100 void invoke(ThreadContext * tc,
101 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
105 class WatchDogReset : public SparcFault<WatchDogReset> {};
107 class ExternallyInitiatedReset : public SparcFault<ExternallyInitiatedReset> {};
109 class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {};
111 class REDStateException : public SparcFault<REDStateException> {};
113 class StoreError : public SparcFault<StoreError> {};
115 class InstructionAccessException : public SparcFault<InstructionAccessException> {};
117 // class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {};
119 class InstructionAccessError : public SparcFault<InstructionAccessError> {};
121 class IllegalInstruction : public SparcFault<IllegalInstruction> {};
123 class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {};
125 // class UnimplementedLDD : public SparcFault<UnimplementedLDD> {};
127 // class UnimplementedSTD : public SparcFault<UnimplementedSTD> {};
129 class FpDisabled : public SparcFault<FpDisabled> {};
131 class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {};
133 class FpExceptionOther : public SparcFault<FpExceptionOther> {};
135 class TagOverflow : public SparcFault<TagOverflow> {};
137 class CleanWindow : public SparcFault<CleanWindow> {};
139 class DivisionByZero : public SparcFault<DivisionByZero> {};
141 class InternalProcessorError :
142 public SparcFault<InternalProcessorError> {};
144 class InstructionInvalidTSBEntry :
145 public SparcFault<InstructionInvalidTSBEntry> {};
147 class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {};
149 class DataAccessException : public SparcFault<DataAccessException> {};
151 // class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {};
153 class DataAccessError : public SparcFault<DataAccessError> {};
155 class DataAccessProtection : public SparcFault<DataAccessProtection> {};
157 class MemAddressNotAligned :
158 public SparcFault<MemAddressNotAligned> {};
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,
214 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
218 class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss>
224 FastDataAccessMMUMiss(Addr addr) : vaddr(addr)
226 void invoke(ThreadContext * tc,
227 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
231 class FastDataAccessProtection : public SparcFault<FastDataAccessProtection> {};
233 class InstructionBreakpoint : public SparcFault<InstructionBreakpoint> {};
235 class CpuMondo : public SparcFault<CpuMondo> {};
237 class DevMondo : public SparcFault<DevMondo> {};
239 class ResumableError : public SparcFault<ResumableError> {};
241 class SpillNNormal : public EnumeratedFault<SpillNNormal>
244 SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;}
245 // These need to be handled specially to enable spill traps in SE
247 void invoke(ThreadContext * tc,
248 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
252 class SpillNOther : public EnumeratedFault<SpillNOther>
255 SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n)
259 class FillNNormal : public EnumeratedFault<FillNNormal>
262 FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n)
264 // These need to be handled specially to enable fill traps in SE
266 void invoke(ThreadContext * tc,
267 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
271 class FillNOther : public EnumeratedFault<FillNOther>
274 FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n)
278 class TrapInstruction : public EnumeratedFault<TrapInstruction>
281 TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n)
283 // In SE, trap instructions are requesting services from the OS.
285 void invoke(ThreadContext * tc,
286 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
290 } // namespace SparcISA
292 #endif // __SPARC_FAULTS_HH__