diff options
Diffstat (limited to 'cpu/static_inst.hh')
| -rw-r--r-- | cpu/static_inst.hh | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/cpu/static_inst.hh b/cpu/static_inst.hh index 1065fa3d4..9a0425c8f 100644 --- a/cpu/static_inst.hh +++ b/cpu/static_inst.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003 The Regents of The University of Michigan + * Copyright (c) 2003-2004 The Regents of The University of Michigan * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -42,6 +42,7 @@ // forward declarations class ExecContext; class DynInst; +class FastCPU; class SimpleCPU; class SymbolTable; @@ -106,11 +107,13 @@ class StaticInstBase : public RefCounted IsThreadSync, ///< Thread synchronization operation. - IsSerializing, ///< Serializes pipeline: won't until all + IsSerializing, ///< Serializes pipeline: won't execute until all /// older instructions have committed. IsMemBarrier, ///< Is a memory barrier IsWriteBarrier, ///< Is a write barrier + IsNonSpeculative, ///< Should not be executed speculatively + NumFlags }; @@ -192,6 +195,7 @@ class StaticInstBase : public RefCounted bool isSerializing() const { return flags[IsSerializing]; } bool isMemBarrier() const { return flags[IsMemBarrier]; } bool isWriteBarrier() const { return flags[IsWriteBarrier]; } + bool isNonSpeculative() const { return flags[IsNonSpeculative]; } //@} /// Operation class. Used to select appropriate function unit in issue. @@ -310,6 +314,11 @@ class StaticInst : public StaticInstBase virtual Fault execute(SimpleCPU *xc, Trace::InstRecord *traceData) = 0; /** + * Execute this instruction under FastCPU model. + */ + virtual Fault execute(FastCPU *xc, Trace::InstRecord *traceData) = 0; + + /** * Execute this instruction under detailed FullCPU model. */ virtual Fault execute(DynInst *xc, Trace::InstRecord *traceData) = 0; |