* 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
typedef uint32_t TrapType;
typedef uint32_t FaultPriority;
+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 FaultName name() = 0;
virtual TrapType trapType() = 0;
virtual FaultPriority priority() = 0;
virtual FaultStat & countStat() = 0;
+ virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0;
};
template<typename T>
protected:
static FaultVals vals;
public:
- FaultName name() {return vals.name;}
+ 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];
+ }
};
-class InternalProcessorError :
- public SparcFault<InternalProcessorError>
-{
- public:
- bool isMachineCheckFault() {return true;}
-};
-
-class MemAddressNotAligned :
- public SparcFault<MemAddressNotAligned>
-{
- public:
- bool isAlignmentFault() {return true;}
-};
-
-#if !FULL_SYSTEM
-class PageTableFault : public SparcFault<PageTableFault>
-{
- private:
- Addr vaddr;
- public:
- PageTableFault(Addr va) : vaddr(va) {}
- void invoke(ThreadContext * tc);
-};
-
-static inline Fault genPageTableFault(Addr va)
-{
- return new PageTableFault(va);
-}
-#endif
-
-static inline Fault genMachineCheckFault()
-{
- return new InternalProcessorError;
-}
-
-static inline Fault genAlignmentFault()
-{
- return new MemAddressNotAligned;
-}
-
class PowerOnReset : public SparcFault<PowerOnReset>
{
void invoke(ThreadContext * tc);
class REDStateException : public SparcFault<REDStateException> {};
+class StoreError : public SparcFault<StoreError> {};
+
class InstructionAccessException : public SparcFault<InstructionAccessException> {};
-class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {};
+//class InstructionAccessMMUMiss : public SparcFault<InstructionAccessMMUMiss> {};
class InstructionAccessError : public SparcFault<InstructionAccessError> {};
class PrivilegedOpcode : public SparcFault<PrivilegedOpcode> {};
-class UnimplementedLDD : public SparcFault<UnimplementedLDD> {};
+//class UnimplementedLDD : public SparcFault<UnimplementedLDD> {};
-class UnimplementedSTD : public SparcFault<UnimplementedSTD> {};
+//class UnimplementedSTD : public SparcFault<UnimplementedSTD> {};
class FpDisabled : public SparcFault<FpDisabled> {};
class TagOverflow : public SparcFault<TagOverflow> {};
+class CleanWindow : public SparcFault<CleanWindow> {};
+
class DivisionByZero : public SparcFault<DivisionByZero> {};
+class InternalProcessorError :
+ public SparcFault<InternalProcessorError>
+{
+ public:
+ bool isMachineCheckFault() const {return true;}
+};
+
+class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {};
+
+class DataInvalidTSBEntry : public SparcFault<DataInvalidTSBEntry> {};
+
class DataAccessException : public SparcFault<DataAccessException> {};
-class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {};
+//class DataAccessMMUMiss : public SparcFault<DataAccessMMUMiss> {};
class DataAccessError : public SparcFault<DataAccessError> {};
class DataAccessProtection : public SparcFault<DataAccessProtection> {};
+class MemAddressNotAligned :
+ public SparcFault<MemAddressNotAligned>
+{
+ public:
+ bool isAlignmentFault() const {return true;}
+};
+
class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
class STDFMemAddressNotAligned : public SparcFault<STDFMemAddressNotAligned> {};
class STQFMemAddressNotAligned : public SparcFault<STQFMemAddressNotAligned> {};
-class AsyncDataError : public SparcFault<AsyncDataError> {};
+class InstructionRealTranslationMiss :
+ public SparcFault<InstructionRealTranslationMiss> {};
-class CleanWindow : public SparcFault<CleanWindow> {};
+class DataRealTranslationMiss : public SparcFault<DataRealTranslationMiss> {};
+
+//class AsyncDataError : public SparcFault<AsyncDataError> {};
template <class T>
class EnumeratedFault : public SparcFault<T>
class InterruptLevelN : public EnumeratedFault<InterruptLevelN>
{
public:
- InterruptLevelN(uint32_t n) :
- EnumeratedFault<InterruptLevelN>(n) {;}
- FaultPriority priority() {return 32 - _n;}
+ InterruptLevelN(uint32_t n) : EnumeratedFault<InterruptLevelN>(n) {;}
+ FaultPriority priority() {return 3200 - _n*100;}
};
+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:
+ Addr vaddr;
+ public:
+ FastInstructionAccessMMUMiss(Addr addr) : vaddr(addr)
+ {}
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss>
+{
+#if !FULL_SYSTEM
+ protected:
+ Addr vaddr;
+ public:
+ FastDataAccessMMUMiss(Addr addr) : vaddr(addr)
+ {}
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+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>
{
public:
- SpillNNormal(uint32_t n) :
- EnumeratedFault<SpillNNormal>(n) {;}
+ 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);
class SpillNOther : public EnumeratedFault<SpillNOther>
{
public:
- SpillNOther(uint32_t n) :
- EnumeratedFault<SpillNOther>(n) {;}
+ SpillNOther(uint32_t n) : EnumeratedFault<SpillNOther>(n) {;}
};
class FillNNormal : public EnumeratedFault<FillNNormal>
{
public:
- FillNNormal(uint32_t n) :
- EnumeratedFault<FillNNormal>(n) {;}
+ 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);
class FillNOther : public EnumeratedFault<FillNOther>
{
public:
- FillNOther(uint32_t n) :
- EnumeratedFault<FillNOther>(n) {;}
+ FillNOther(uint32_t n) : EnumeratedFault<FillNOther>(n) {;}
};
class TrapInstruction : public EnumeratedFault<TrapInstruction>
{
-
public:
- TrapInstruction(uint32_t n) :
- EnumeratedFault<TrapInstruction>(n) {;}
+ 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