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-rw-r--r--src/arch/mips/faults.hh295
1 files changed, 281 insertions, 14 deletions
diff --git a/src/arch/mips/faults.hh b/src/arch/mips/faults.hh
index 441e7c27f..75157ab92 100644
--- a/src/arch/mips/faults.hh
+++ b/src/arch/mips/faults.hh
@@ -1,5 +1,5 @@
/*
- * 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
@@ -27,6 +27,7 @@
*
* Authors: Gabe Black
* Korey Sewell
+ * Jaidev Patwardhan
*/
#ifndef __MIPS_FAULTS_HH__
@@ -38,7 +39,6 @@
namespace MipsISA
{
-
typedef const Addr FaultVect;
class MipsFault : public FaultBase
@@ -47,8 +47,15 @@ class MipsFault : public FaultBase
virtual bool skipFaultingInstruction() {return false;}
virtual bool setRestartAddress() {return true;}
public:
+ Addr BadVAddr;
+ Addr EntryHi_Asid;
+ Addr EntryHi_VPN2;
+ Addr EntryHi_VPN2X;
+ Addr Context_BadVPN2;
#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;
@@ -64,7 +71,20 @@ class MachineCheckFault : public MipsFault
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
@@ -77,9 +97,39 @@ 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
{
private:
@@ -92,11 +142,109 @@ class UnimplementedOpcodeFault : public MipsFault
FaultStat & countStat() {return _count;}
};
+
+class TLBRefillIFetchFault : 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 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()
{
return new MachineCheckFault;
}
+static inline Fault genAlignmentFault()
+{
+ return new AlignmentFault;
+}
+
class ResetFault : public MipsFault
{
private:
@@ -108,6 +256,56 @@ class ResetFault : public MipsFault
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 FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
};
class CoprocessorUnusableFault : public MipsFault
@@ -116,11 +314,13 @@ class CoprocessorUnusableFault : public MipsFault
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
@@ -179,9 +379,15 @@ class InterruptFault : public MipsFault
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+ //void invoke(ThreadContext * tc);
};
-class NDtbMissFault : public MipsFault
+class TrapFault : public MipsFault
{
private:
static FaultName _name;
@@ -191,9 +397,41 @@ class NDtbMissFault : public MipsFault
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;
+ 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 ItbRefillFault : 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 DtbRefillFault : public MipsFault
{
private:
static FaultName _name;
@@ -203,9 +441,12 @@ class PDtbMissFault : public MipsFault
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 ItbPageFault : public MipsFault
{
private:
static FaultName _name;
@@ -215,9 +456,12 @@ class DtbPageFault : public MipsFault
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 ItbInvalidFault : public MipsFault
{
private:
static FaultName _name;
@@ -227,9 +471,28 @@ class DtbAcvFault : public MipsFault
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
};
+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 ItbMissFault : public MipsFault
+};
+
+class DtbInvalidFault : public MipsFault
{
private:
static FaultName _name;
@@ -239,9 +502,13 @@ class ItbMissFault : public MipsFault
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 FloatEnableFault : public MipsFault
{
private:
static FaultName _name;
@@ -253,7 +520,7 @@ class ItbPageFault : public MipsFault
FaultStat & countStat() {return _count;}
};
-class ItbAcvFault : public MipsFault
+class ItbMissFault : public MipsFault
{
private:
static FaultName _name;
@@ -265,7 +532,7 @@ class ItbAcvFault : public MipsFault
FaultStat & countStat() {return _count;}
};
-class FloatEnableFault : public MipsFault
+class ItbAcvFault : public MipsFault
{
private:
static FaultName _name;
@@ -304,4 +571,4 @@ class DspStateDisabledFault : public MipsFault
} // MipsISA namespace
-#endif // __FAULTS_HH__
+#endif // __MIPS_FAULTS_HH__
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-22 22:27:30 +0000