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)
90 {
91 return vals.nextPrivilegeLevel[current];
92 }
93};
94
95class PowerOnReset : public SparcFault<PowerOnReset>
96{
97#if FULL_SYSTEM

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107class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {};
108
109class REDStateException : public SparcFault<REDStateException> {};
110
111class StoreError : public SparcFault<StoreError> {};
112
113class InstructionAccessException : public SparcFault<InstructionAccessException> {};
114
115//class InstructionAccessMMUMiss : public SparcFault {};
116
117class InstructionAccessError : public SparcFault<InstructionAccessError> {};
118
119class IllegalInstruction : public SparcFault<IllegalInstruction> {};
120
121class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {};
122
123//class UnimplementedLDD : public SparcFault {};
124
125//class UnimplementedSTD : public SparcFault {};
126
127class FpDisabled : public SparcFault<FpDisabled> {};
128
129class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {};
130
131class FpExceptionOther : public SparcFault<FpExceptionOther> {};
132
133class TagOverflow : public SparcFault<TagOverflow> {};
134
135class CleanWindow : public SparcFault<CleanWindow> {};
136
137class DivisionByZero : public SparcFault<DivisionByZero> {};
138
139class InternalProcessorError :
140 public SparcFault<InternalProcessorError>
141{
142 public:
143 bool isMachineCheckFault() const {return true;}
144};
145
146class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {};
147
148class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {};
149
150class DataAccessException : public SparcFault<DataAccessException> {};
151
152//class DataAccessMMUMiss : public SparcFault {};
153
154class DataAccessError : public SparcFault<DataAccessError> {};
155
156class DataAccessProtection : public SparcFault<DataAccessProtection> {};
157
158class MemAddressNotAligned :
159 public SparcFault<MemAddressNotAligned>
160{
161 public:
162 bool isAlignmentFault() const {return true;}
163};
164
165class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
166
167class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {};
168
169class PrivilegedAction : public SparcFault<PrivilegedAction> {};
170
171class LDQFMemAddressNotAligned : public SparcFault<LDQFMemAddressNotAligned> {};
172
173class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {};
174
175class InstructionRealTranslationMiss :
176 public SparcFault<InstructionRealTranslationMiss> {};
177
178class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {};
179
180//class AsyncDataError : public SparcFault {};
181
182template <class T>
183class EnumeratedFault : public SparcFault<T>
184{
185 protected:
186 uint32_t _n;
187 public:
188 EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {}
189 TrapType trapType() {return SparcFault<T>::trapType() + _n;}
190};
191
192class InterruptLevelN : public EnumeratedFault<InterruptLevelN>
193{
194 public:
195 InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;}
196 FaultPriority priority() {return 3200 - _n*100;}
197};
198
199class HstickMatch : public SparcFault<HstickMatch> {};
200
201class TrapLevelZero : public SparcFault<TrapLevelZero> {};
202
203class InterruptVector : public SparcFault<InterruptVector> {};
204

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242class DevMondo : public SparcFault<DevMondo> {};
243
244class ResumableError : public SparcFault<ResumableError> {};
245
246class SpillNNormal : public EnumeratedFault<SpillNNormal>
247{
248 public:
249 SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;}
250 //These need to be handled specially to enable spill traps in SE
251#if !FULL_SYSTEM
252 void invoke(ThreadContext * tc,
253 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
254#endif
255};
256
257class SpillNOther : public EnumeratedFault<SpillNOther>
258{
259 public:
260 SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;}
261};
262
263class FillNNormal : public EnumeratedFault<FillNNormal>
264{
265 public:
266 FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n) {;}
267 //These need to be handled specially to enable fill traps in SE
268#if !FULL_SYSTEM
269 void invoke(ThreadContext * tc,
270 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
271#endif
272};
273
274class FillNOther : public EnumeratedFault<FillNOther>
275{
276 public:
277 FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;}
278};
279
280class TrapInstruction : public EnumeratedFault<TrapInstruction>
281{
282 public:
283 TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n) {;}
284 //In SE, trap instructions are requesting services from the OS.
285#if !FULL_SYSTEM
286 void invoke(ThreadContext * tc,
287 StaticInstPtr inst = StaticInst::nullStaticInstPtr);
288#endif
289};
290
291static inline Fault genMachineCheckFault()
292{
293 return new InternalProcessorError;
294}
295
296
297} // SparcISA namespace
298
299#endif // __SPARC_FAULTS_HH__