* Kevin Lim
*/
-#ifndef __ALPHA_FAULTS_HH__
-#define __ALPHA_FAULTS_HH__
+#ifndef __SPARC_FAULTS_HH__
+#define __SPARC_FAULTS_HH__
+#include "cpu/static_inst.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
+ };
+ using PrivilegeLevelSpec = std::array<PrivilegeLevel, NumLevels>;
struct FaultVals
{
const FaultName name;
const TrapType trapType;
const FaultPriority priority;
+ const PrivilegeLevelSpec nextPrivilegeLevel;
FaultStat count;
+ FaultVals(const FaultName& name_, const TrapType& trapType_,
+ const FaultPriority& priority_, const PrivilegeLevelSpec& il)
+ : name(name_), trapType(trapType_), priority(priority_),
+ nextPrivilegeLevel(il)
+ {}
};
-#if FULL_SYSTEM
- void invoke(ThreadContext * tc);
-#endif
- virtual FaultName name() = 0;
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
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;}
- TrapType trapType() {return vals.trapType;}
- FaultPriority priority() {return vals.priority;}
- FaultStat & countStat() {return vals.count;}
-};
-
-class InternalProcessorError :
- public SparcFault<InternalProcessorError>
-{
- public:
- bool isMachineCheckFault() {return true;}
-};
-
-class MemAddressNotAligned :
- public SparcFault<MemAddressNotAligned>
-{
- public:
- 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; }
-#if !FULL_SYSTEM
-class PageTableFault : public SparcFault<PageTableFault>
-{
- private:
- Addr vaddr;
- public:
- PageTableFault(Addr va) : vaddr(va) {}
- void invoke(ThreadContext * tc);
+ PrivilegeLevel
+ getNextLevel(PrivilegeLevel current)
+ {
+ return vals.nextPrivilegeLevel[current];
+ }
};
-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);
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
};
class WatchDogReset : public SparcFault<WatchDogReset> {};
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 VecDisabled : public SparcFault<VecDisabled> {};
class FpExceptionIEEE754 : public SparcFault<FpExceptionIEEE754> {};
class TagOverflow : public SparcFault<TagOverflow> {};
+class CleanWindow : public SparcFault<CleanWindow> {};
+
class DivisionByZero : public SparcFault<DivisionByZero> {};
+class InternalProcessorError :
+ public SparcFault<InternalProcessorError> {};
+
+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> {};
+
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>
uint32_t _n;
public:
EnumeratedFault(uint32_t n) : SparcFault<T>(), _n(n) {}
- TrapType trapType() {return SparcFault<T>::trapType() + _n;}
+ TrapType trapType() { return SparcFault<T>::trapType() + _n; }
};
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>
+{
+ protected:
+ Addr vaddr;
+ public:
+ FastInstructionAccessMMUMiss(Addr addr) : vaddr(addr)
+ {}
+ FastInstructionAccessMMUMiss() : vaddr(0)
+ {}
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
+};
+
+class FastDataAccessMMUMiss : public SparcFault<FastDataAccessMMUMiss>
+{
+ protected:
+ Addr vaddr;
+ public:
+ FastDataAccessMMUMiss(Addr addr) : vaddr(addr)
+ {}
+ FastDataAccessMMUMiss() : vaddr(0)
+ {}
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
};
+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) {;}
- //These need to be handled specially to enable spill traps in SE
-#if !FULL_SYSTEM
- void invoke(ThreadContext * tc);
-#endif
+ SpillNNormal(uint32_t n) : EnumeratedFault<SpillNNormal>(n) {;}
+ // These need to be handled specially to enable spill traps in SE
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
};
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) {;}
- //These need to be handled specially to enable fill traps in SE
-#if !FULL_SYSTEM
- void invoke(ThreadContext * tc);
-#endif
+ FillNNormal(uint32_t n) : EnumeratedFault<FillNNormal>(n)
+ {}
+ // These need to be handled specially to enable fill traps in SE
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
};
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, uint64_t syscall) :
- EnumeratedFault<TrapInstruction>(n), syscall_num(syscall) {;}
+ TrapInstruction(uint32_t n) : EnumeratedFault<TrapInstruction>(n)
+ {}
+ // In SE, trap instructions are requesting services from the OS.
+ void invoke(ThreadContext * tc, const StaticInstPtr &inst =
+ StaticInst::nullStaticInstPtr);
};
-
-} // SparcISA namespace
-
-#endif // __FAULTS_HH__
+/*
+ * Explicitly declare template static member variables to avoid warnings
+ * in some clang versions
+ */
+template<> SparcFaultBase::FaultVals SparcFault<PowerOnReset>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<WatchDogReset>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<ExternallyInitiatedReset>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<SoftwareInitiatedReset>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<REDStateException>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<StoreError>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<InstructionAccessException>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<InstructionAccessError>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<IllegalInstruction>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<PrivilegedOpcode>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<FpDisabled>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<VecDisabled>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<FpExceptionIEEE754>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<FpExceptionOther>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<TagOverflow>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<CleanWindow>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DivisionByZero>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<InternalProcessorError>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<InstructionInvalidTSBEntry>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DataInvalidTSBEntry>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DataAccessException>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DataAccessError>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DataAccessProtection>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<MemAddressNotAligned>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<LDDFMemAddressNotAligned>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<STDFMemAddressNotAligned>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<PrivilegedAction>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<LDQFMemAddressNotAligned>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<STQFMemAddressNotAligned>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<InstructionRealTranslationMiss>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DataRealTranslationMiss>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<InterruptLevelN>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<HstickMatch>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<TrapLevelZero>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<InterruptVector>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<PAWatchpoint>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<VAWatchpoint>::vals;
+template<> SparcFaultBase::FaultVals
+ SparcFault<FastInstructionAccessMMUMiss>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<FastDataAccessMMUMiss>::vals;
+template<>
+ SparcFaultBase::FaultVals SparcFault<FastDataAccessProtection>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<InstructionBreakpoint>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<CpuMondo>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<DevMondo>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<ResumableError>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<SpillNNormal>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<SpillNOther>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<FillNNormal>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<FillNOther>::vals;
+template<> SparcFaultBase::FaultVals SparcFault<TrapInstruction>::vals;
+
+
+void enterREDState(ThreadContext *tc);
+
+void doREDFault(ThreadContext *tc, TrapType tt);
+
+void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv);
+
+void getREDVector(RegVal TT, Addr &PC, Addr &NPC);
+
+void getHyperVector(ThreadContext * tc, Addr &PC, Addr &NPC, RegVal TT);
+
+void getPrivVector(ThreadContext *tc, Addr &PC, Addr &NPC, RegVal TT,
+ RegVal TL);
+
+} // namespace SparcISA
+
+#endif // __SPARC_FAULTS_HH__
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