1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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77};
78
79template<typename T>
80class SparcFault : public SparcFaultBase
81{
82 protected:
83 static FaultVals vals;
84 public:
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;}
89 PrivilegeLevel getNextLevel(PrivilegeLevel current)
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; }
89
90 PrivilegeLevel
91 getNextLevel(PrivilegeLevel current)
92 {
93 return vals.nextPrivilegeLevel[current];
94 }
95};
96
97class PowerOnReset : public SparcFault<PowerOnReset>
98{
99#if FULL_SYSTEM

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109class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {};
110
111class REDStateException : public SparcFault<REDStateException> {};
112
113class StoreError : public SparcFault<StoreError> {};
114
115class InstructionAccessException : public SparcFault<InstructionAccessException> {};
116
115//class InstructionAccessMMUMiss : public SparcFault {};
117// class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {};
118
119class InstructionAccessError : public SparcFault<InstructionAccessError> {};
120
121class IllegalInstruction : public SparcFault<IllegalInstruction> {};
122
123class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {};
124
123//class UnimplementedLDD : public SparcFault {};
125// class UnimplementedLDD : public SparcFault<UnimplementedLDD> {};
126
125//class UnimplementedSTD : public SparcFault {};
127// class UnimplementedSTD : public SparcFault<UnimplementedSTD> {};
128
129class FpDisabled : public SparcFault<FpDisabled> {};
130
131class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {};
132
133class FpExceptionOther : public SparcFault<FpExceptionOther> {};
134
135class TagOverflow : public SparcFault<TagOverflow> {};
136
137class CleanWindow : public SparcFault<CleanWindow> {};
138
139class DivisionByZero : public SparcFault<DivisionByZero> {};
140
141class InternalProcessorError :
142 public SparcFault<InternalProcessorError>
143{
144 public:
143 bool isMachineCheckFault() const {return true;}
145 bool isMachineCheckFault() const { return true; }
146};
147
146class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {};
148class InstructionInvalidTSBEntry :
149 public SparcFault<InstructionInvalidTSBEntry> {};
150
151class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {};
152
153class DataAccessException : public SparcFault<DataAccessException> {};
154
152//class DataAccessMMUMiss : public SparcFault {};
155// class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {};
156
157class DataAccessError : public SparcFault<DataAccessError> {};
158
159class DataAccessProtection : public SparcFault<DataAccessProtection> {};
160
161class MemAddressNotAligned :
162 public SparcFault<MemAddressNotAligned>
163{
164 public:
162 bool isAlignmentFault() const {return true;}
165 bool isAlignmentFault() const { return true; }
166};
167
168class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
169
170class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {};
171
172class PrivilegedAction : public SparcFault<PrivilegedAction> {};
173
174class LDQFMemAddressNotAligned : public SparcFault<LDQFMemAddressNotAligned> {};
175
176class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {};
177
178class InstructionRealTranslationMiss :
179 public SparcFault<InstructionRealTranslationMiss> {};
180
181class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {};
182
180//class AsyncDataError : public SparcFault {};
183// class AsyncDataError : public SparcFault<AsyncDataError> {};
184
185template <class T>
186class EnumeratedFault : public SparcFault<T>
187{
188 protected:
189 uint32_t _n;
190 public:
191 EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {}
189 TrapType trapType() {return SparcFault<T>::trapType() + _n;}
192 TrapType trapType() { return SparcFault<T>::trapType() + _n; }
193};
194
195class InterruptLevelN : public EnumeratedFault<InterruptLevelN>
196{
197 public:
198 InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;}
196 FaultPriority priority() {return 3200 - _n*100;}
199 FaultPriority priority() { return 3200 - _n*100; }
200};
201
202class HstickMatch : public SparcFault<HstickMatch> {};
203
204class TrapLevelZero : public SparcFault<TrapLevelZero> {};
205
206class InterruptVector : public SparcFault<InterruptVector> {};
207

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245class DevMondo : public SparcFault<DevMondo> {};
246
247class ResumableError : public SparcFault<ResumableError> {};
248
249class SpillNNormal : public EnumeratedFault<SpillNNormal>
250{
251 public:
252 SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;}
250 //These need to be handled specially to enable spill traps in SE
253 // These need to be handled specially to enable spill traps in SE
254#if !FULL_SYSTEM
255 void invoke(ThreadContext * tc,
256 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
257#endif
258};
259
260class SpillNOther : public EnumeratedFault<SpillNOther>
261{
262 public:
260 SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;}
263 SpillNOther(uint32_t n) : EnumeratedFault(n)
264 {}
265};
266
267class FillNNormal : public EnumeratedFault<FillNNormal>
268{
269 public:
266 FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n) {;}
267 //These need to be handled specially to enable fill traps in SE
270 FillNNormal(uint32_t n) : EnumeratedFault(n)
271 {}
272 // These need to be handled specially to enable fill traps in SE
273#if !FULL_SYSTEM
274 void invoke(ThreadContext * tc,
275 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
276#endif
277};
278
279class FillNOther : public EnumeratedFault<FillNOther>
280{
281 public:
277 FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;}
282 FillNOther(uint32_t n) : EnumeratedFault(n)
283 {}
284};
285
286class TrapInstruction : public EnumeratedFault<TrapInstruction>
287{
288 public:
283 TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n) {;}
284 //In SE, trap instructions are requesting services from the OS.
289 TrapInstruction(uint32_t n) : EnumeratedFault(n)
290 {}
291 // In SE, trap instructions are requesting services from the OS.
292#if !FULL_SYSTEM
293 void invoke(ThreadContext * tc,
294 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
295#endif
296};
297
291static inline Fault genMachineCheckFault()
298static inline Fault
299genMachineCheckFault()
300{
301 return new InternalProcessorError;
302}
303
304
305} // SparcISA namespace
306
307#endif // __SPARC_FAULTS_HH__