/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2007 MIPS Technologies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*
* Authors: Gabe Black
* Korey Sewell
+ * Jaidev Patwardhan
*/
#ifndef __MIPS_FAULTS_HH__
#include "sim/faults.hh"
-// The design of the "name" and "vect" functions is in sim/faults.hh
-
namespace MipsISA
{
virtual bool skipFaultingInstruction() {return false;}
virtual bool setRestartAddress() {return true;}
public:
+ Addr badVAddr;
+ Addr entryHiAsid;
+ Addr entryHiVPN2;
+ Addr entryHiVPN2X;
+ Addr contextBadVPN2;
#if FULL_SYSTEM
- void invoke(ThreadContext * tc);
+ void invoke(ThreadContext * tc) {};
+ void setExceptionState(ThreadContext *, uint8_t);
+ void setHandlerPC(Addr, ThreadContext *);
#endif
virtual FaultVect vect() = 0;
virtual FaultStat & countStat() = 0;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
- bool isMachineCheckFault() const {return true;}
+ bool isMachineCheckFault() {return true;}
+};
+
+class NonMaskableInterrupt : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ bool isNonMaskableInterrupt() {return true;}
};
class AlignmentFault : public MipsFault
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
- bool isAlignmentFault() const {return true;}
+ bool isAlignmentFault() {return true;}
+};
+
+class AddressErrorFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+};
+
+class StoreAddressErrorFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
class UnimplementedOpcodeFault : public MipsFault
FaultStat & countStat() {return _count;}
};
-#if !FULL_SYSTEM
-//class PageTableFault : public MipsFault
-//{
-//private:
-// Addr vaddr;
-// static FaultName _name;
-// static FaultVect _vect;
-// static FaultStat _count;
-//public:
-// PageTableFault(Addr va)
-// : vaddr(va) {}
-// FaultName name() {return _name;}
-// FaultVect vect() {return _vect;}
-// FaultStat & countStat() {return _count;}
-// void invoke(ThreadContext * tc);
-//};
-static inline Fault genPageTableFault(Addr va)
+class TLBRefillIFetchFault : public MipsFault
{
- return new PageTableFault(va);
-}
-#endif
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class TLBInvalidIFetchFault : public MipsFault
+{
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class NDtbMissFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+};
+
+class PDtbMissFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+};
+
+class DtbPageFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+};
+
+class DtbAcvFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+};
+
+class CacheErrorFault : public MipsFault
+{
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+
static inline Fault genMachineCheckFault()
}
class ResetFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+
+};
+
+class SystemCallFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class SoftResetFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class DebugSingleStep : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class DebugInterrupt : public MipsFault
{
private:
static FaultName _name;
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
+ int coProcID;
public:
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
void invoke(ThreadContext * tc);
+ CoprocessorUnusableFault(int _procid){ coProcID = _procid;}
};
class ReservedInstructionFault : public MipsFault
void invoke(ThreadContext * tc);
};
-
class ArithmeticFault : public MipsFault
{
protected:
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class NDtbMissFault : public MipsFault
+class TrapFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class PDtbMissFault : public MipsFault
+class BreakpointFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class DtbPageFault : public MipsFault
+class ItbRefillFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class DtbAcvFault : public MipsFault
+class DtbRefillFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class ItbMissFault : public MipsFault
+class ItbPageFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class ItbPageFault : public MipsFault
+class ItbInvalidFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
-class ItbAcvFault : public MipsFault
+class TLBModifiedFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class DtbInvalidFault : public MipsFault
{
private:
static FaultName _name;
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
};
class FloatEnableFault : public MipsFault
FaultStat & countStat() {return _count;}
};
+class ItbMissFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+};
+
+class ItbAcvFault : public MipsFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+};
+
class IntegerOverflowFault : public MipsFault
{
private:
} // MipsISA namespace
-#endif // __FAULTS_HH__
+#endif // __MIPS_FAULTS_HH__