* Kevin Lim
*/
-#ifndef __ALPHA_FAULTS_HH__
-#define __ALPHA_FAULTS_HH__
+#ifndef __SPARC_FAULTS_HH__
+#define __SPARC_FAULTS_HH__
+#include "config/full_system.hh"
#include "sim/faults.hh"
// The design of the "name" and "vect" functions is in sim/faults.hh
namespace SparcISA
{
-typedef const uint32_t TrapType;
-typedef const uint32_t FaultPriority;
+typedef uint32_t TrapType;
+typedef uint32_t FaultPriority;
-class SparcFault : public FaultBase
+class ITB;
+
+class SparcFaultBase : public FaultBase
{
public:
+ enum PrivilegeLevel
+ {
+ U, User = U,
+ P, Privileged = P,
+ H, Hyperprivileged = H,
+ NumLevels,
+ SH = -1,
+ ShouldntHappen = SH
+ };
+ struct FaultVals
+ {
+ const FaultName name;
+ const TrapType trapType;
+ const FaultPriority priority;
+ const PrivilegeLevel nextPrivilegeLevel[NumLevels];
+ FaultStat count;
+ };
#if FULL_SYSTEM
void invoke(ThreadContext * tc);
#endif
virtual TrapType trapType() = 0;
virtual FaultPriority priority() = 0;
virtual FaultStat & countStat() = 0;
+ virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0;
};
-class InternalProcessorError : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
- bool isMachineCheckFault() {return true;}
-};
-
-class MemAddressNotAligned : public SparcFault
+template<typename T>
+class SparcFault : public SparcFaultBase
{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
+ protected:
+ static FaultVals vals;
public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
- bool isAlignmentFault() {return true;}
+ FaultName name() const {return vals.name;}
+ TrapType trapType() {return vals.trapType;}
+ FaultPriority priority() {return vals.priority;}
+ FaultStat & countStat() {return vals.count;}
+ PrivilegeLevel getNextLevel(PrivilegeLevel current)
+ {
+ return vals.nextPrivilegeLevel[current];
+ }
};
-#if !FULL_SYSTEM
-class PageTableFault : public SparcFault
+class PowerOnReset : public SparcFault<PowerOnReset>
{
- private:
- Addr vaddr;
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- PageTableFault(Addr va)
- : vaddr(va) {}
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
void invoke(ThreadContext * tc);
};
-static inline Fault genPageTableFault(Addr va)
-{
- return new PageTableFault(va);
-}
-#endif
+class WatchDogReset : public SparcFault<WatchDogReset> {};
-static inline Fault genMachineCheckFault()
-{
- return new InternalProcessorError;
-}
+class ExternallyInitiatedReset : public SparcFault<ExternallyInitiatedReset> {};
-static inline Fault genAlignmentFault()
-{
- return new MemAddressNotAligned;
-}
+class SoftwareInitiatedReset : public SparcFault<SoftwareInitiatedReset> {};
-class PowerOnReset : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class REDStateException : public SparcFault<REDStateException> {};
-class WatchDogReset : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class StoreError : public SparcFault<StoreError> {};
-class ExternallyInitiatedReset : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class InstructionAccessException : public SparcFault<InstructionAccessException> {};
-class SoftwareInitiatedReset : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+//class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {};
-class REDStateException : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class InstructionAccessError : public SparcFault<InstructionAccessError> {};
-class InstructionAccessException : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class IllegalInstruction : public SparcFault<IllegalInstruction> {};
-class InstructionAccessMMUMiss : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {};
-class InstructionAccessError : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+//class UnimplementedLDD : public SparcFault<UnimplementedLDD> {};
-class IllegalInstruction : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+//class UnimplementedSTD : public SparcFault<UnimplementedSTD> {};
-class PrivilegedOpcode : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class FpDisabled : public SparcFault<FpDisabled> {};
-class UnimplementedLDD : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {};
-class UnimplementedSTD : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class FpExceptionOther : public SparcFault<FpExceptionOther> {};
-class FpDisabled : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class TagOverflow : public SparcFault<TagOverflow> {};
-class FpExceptionIEEE754 : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class CleanWindow : public SparcFault<CleanWindow> {};
-class FpExceptionOther : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class DivisionByZero : public SparcFault<DivisionByZero> {};
-class TagOverflow : public SparcFault
+class InternalProcessorError :
+ public SparcFault<InternalProcessorError>
{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ bool isMachineCheckFault() const {return true;}
};
-class DivisionByZero : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {};
-class DataAccessException : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {};
-class DataAccessMMUMiss : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class DataAccessException : public SparcFault<DataAccessException> {};
-class DataAccessError : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+//class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {};
-class DataAccessProtection : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class DataAccessError : public SparcFault<DataAccessError> {};
-class LDDFMemAddressNotAligned : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class DataAccessProtection : public SparcFault<DataAccessProtection> {};
-class STDFMemAddressNotAligned : public SparcFault
+class MemAddressNotAligned :
+ public SparcFault<MemAddressNotAligned>
{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ bool isAlignmentFault() const {return true;}
};
-class PrivilegedAction : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
-class LDQFMemAddressNotAligned : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {};
-class STQFMemAddressNotAligned : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-};
+class PrivilegedAction : public SparcFault<PrivilegedAction> {};
+
+class LDQFMemAddressNotAligned : public SparcFault<LDQFMemAddressNotAligned> {};
+
+class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {};
-class AsyncDataError : public SparcFault
+class InstructionRealTranslationMiss :
+ public SparcFault<InstructionRealTranslationMiss> {};
+
+class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {};
+
+//class AsyncDataError : public SparcFault<AsyncDataError> {};
+
+template <class T>
+class EnumeratedFault : public SparcFault<T>
{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
+ protected:
+ uint32_t _n;
public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {}
+ TrapType trapType() {return SparcFault<T>::trapType() + _n;}
};
-class CleanWindow : public SparcFault
+class InterruptLevelN : public EnumeratedFault<InterruptLevelN>
{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
public:
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;}
+ FaultPriority priority() {return 3200 - _n*100;}
};
-class EnumeratedFault : public SparcFault
+class HstickMatch : public SparcFault<HstickMatch> {};
+
+class TrapLevelZero : public SparcFault<TrapLevelZero> {};
+
+class InterruptVector : public SparcFault<InterruptVector> {};
+
+class PAWatchpoint : public SparcFault<PAWatchpoint> {};
+
+class VAWatchpoint : public SparcFault<VAWatchpoint> {};
+
+class FastInstructionAccessMMUMiss :
+ public SparcFault<FastInstructionAccessMMUMiss>
{
+#if !FULL_SYSTEM
protected:
- uint32_t _n;
- virtual TrapType baseTrapType() = 0;
+ Addr vaddr;
public:
- EnumeratedFault(uint32_t n) : SparcFault() {_n = n;}
- TrapType trapType() {return baseTrapType() + _n;}
+ FastInstructionAccessMMUMiss(Addr addr) : vaddr(addr)
+ {}
+ void invoke(ThreadContext * tc);
+#endif
};
-class InterruptLevelN : public EnumeratedFault
+class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss>
{
- private:
- static FaultName _name;
- static TrapType _baseTrapType;
- static FaultStat _count;
- TrapType baseTrapType() {return _baseTrapType;}
+#if !FULL_SYSTEM
+ protected:
+ Addr vaddr;
public:
- InterruptLevelN(uint32_t n) : EnumeratedFault(n) {;}
- FaultName name() {return _name;}
- FaultPriority priority() {return 32 - _n;}
- FaultStat & countStat() {return _count;}
+ FastDataAccessMMUMiss(Addr addr) : vaddr(addr)
+ {}
+ void invoke(ThreadContext * tc);
+#endif
};
-class SpillNNormal : public EnumeratedFault
+class FastDataAccessProtection : public SparcFault<FastDataAccessProtection> {};
+
+class InstructionBreakpoint : public SparcFault<InstructionBreakpoint> {};
+
+class CpuMondo : public SparcFault<CpuMondo> {};
+
+class DevMondo : public SparcFault<DevMondo> {};
+
+class ResumableError : public SparcFault<ResumableError> {};
+
+class SpillNNormal : public EnumeratedFault<SpillNNormal>
{
- private:
- static FaultName _name;
- static TrapType _baseTrapType;
- static FaultPriority _priority;
- static FaultStat _count;
- TrapType baseTrapType() {return _baseTrapType;}
public:
- SpillNNormal(uint32_t n) : EnumeratedFault(n) {;}
- FaultName name() {return _name;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;}
+ //These need to be handled specially to enable spill traps in SE
+#if !FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class SpillNOther : public EnumeratedFault
+class SpillNOther : public EnumeratedFault<SpillNOther>
{
- private:
- static FaultName _name;
- static TrapType _baseTrapType;
- static FaultPriority _priority;
- static FaultStat _count;
- TrapType baseTrapType() {return _baseTrapType;}
public:
- SpillNOther(uint32_t n) : EnumeratedFault(n) {;}
- FaultName name() {return _name;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;}
};
-class FillNNormal : public EnumeratedFault
+class FillNNormal : public EnumeratedFault<FillNNormal>
{
- private:
- static FaultName _name;
- static TrapType _baseTrapType;
- static FaultPriority _priority;
- static FaultStat _count;
- TrapType baseTrapType() {return _baseTrapType;}
public:
- FillNNormal(uint32_t n) : EnumeratedFault(n) {;}
- FaultName name() {return _name;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n) {;}
+ //These need to be handled specially to enable fill traps in SE
+#if !FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class FillNOther : public EnumeratedFault
+class FillNOther : public EnumeratedFault<FillNOther>
{
- private:
- static FaultName _name;
- static TrapType _baseTrapType;
- static FaultPriority _priority;
- static FaultStat _count;
- TrapType baseTrapType() {return _baseTrapType;}
public:
- FillNOther(uint32_t n) : EnumeratedFault(n) {;}
- FaultName name() {return _name;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;}
};
-class TrapInstruction : public EnumeratedFault
+class TrapInstruction : public EnumeratedFault<TrapInstruction>
{
- private:
- static FaultName _name;
- static TrapType _baseTrapType;
- static FaultPriority _priority;
- static FaultStat _count;
- uint64_t syscall_num;
- TrapType baseTrapType() {return _baseTrapType;}
public:
- TrapInstruction(uint32_t n, uint64_t syscall) :
- EnumeratedFault(n), syscall_num(syscall) {;}
- FaultName name() {return _name;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
+ TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n) {;}
+ //In SE, trap instructions are requesting services from the OS.
#if !FULL_SYSTEM
void invoke(ThreadContext * tc);
#endif
};
+static inline Fault genMachineCheckFault()
+{
+ return new InternalProcessorError;
+}
+
} // SparcISA namespace
-#endif // __FAULTS_HH__
+#endif // __SPARC_FAULTS_HH__
projects / gem5.git / blobdiff