X86: Define a noop ExtMachInst.

[gem5.git] / src / arch / mips / faults.hh

diff --git a/src/arch/mips/faults.hh b/src/arch/mips/faults.hh
index 2e5aa81d6ce264cf83c03efd8770e24304be9922..7a001d390bac93812804aeee165b4abd50818196 100644 (file)
--- a/src/arch/mips/faults.hh
+++ b/src/arch/mips/faults.hh
@@ -1,5 +1,6 @@
 /*
  * 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 +28,7 @@
  *
  * Authors: Gabe Black
  *          Korey Sewell
+ *          Jaidev Patwardhan
  */
 
 #ifndef __MIPS_FAULTS_HH__
@@ -34,8 +36,6 @@
 
 #include "sim/faults.hh"
 
-// The design of the "name" and "vect" functions is in sim/faults.hh
-
 namespace MipsISA
 {
 
@@ -47,8 +47,15 @@ class MipsFault : public FaultBase
     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;
@@ -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
@@ -77,7 +97,38 @@ 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
@@ -92,28 +143,98 @@ 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()
@@ -127,6 +248,59 @@ static inline Fault genAlignmentFault()
 }
 
 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;
@@ -145,11 +319,13 @@ 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
@@ -178,7 +354,6 @@ class ThreadFault : public MipsFault
     void invoke(ThreadContext * tc);
 };
 
-
 class ArithmeticFault : public MipsFault
 {
   protected:
@@ -208,9 +383,13 @@ 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
 };
 
-class NDtbMissFault : public MipsFault
+class TrapFault : public MipsFault
 {
   private:
     static FaultName _name;
@@ -220,9 +399,12 @@ 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;
@@ -232,9 +414,12 @@ 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 ItbRefillFault : public MipsFault
 {
   private:
     static FaultName _name;
@@ -244,9 +429,12 @@ 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 DtbRefillFault : public MipsFault
 {
   private:
     static FaultName _name;
@@ -256,9 +444,12 @@ 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 ItbMissFault : public MipsFault
+class ItbPageFault : public MipsFault
 {
   private:
     static FaultName _name;
@@ -268,9 +459,12 @@ 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 ItbInvalidFault : public MipsFault
 {
   private:
     static FaultName _name;
@@ -280,9 +474,27 @@ class ItbPageFault : public MipsFault
     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;
@@ -292,6 +504,9 @@ class ItbAcvFault : public MipsFault
     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
@@ -306,6 +521,30 @@ 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:
@@ -333,4 +572,4 @@ class DspStateDisabledFault : public MipsFault
 
 } // MipsISA namespace
 
-#endif // __FAULTS_HH__
+#endif // __MIPS_FAULTS_HH__