diff options
Diffstat (limited to 'src/cpu/static_inst.hh')
| -rw-r--r-- | src/cpu/static_inst.hh | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh index 578d14191..523cfae40 100644 --- a/src/cpu/static_inst.hh +++ b/src/cpu/static_inst.hh @@ -67,6 +67,8 @@ namespace Trace { class InstRecord; } +typedef uint32_t MicroPC; + /** * Base, ISA-independent static instruction class. * @@ -139,6 +141,14 @@ class StaticInstBase : public RefCounted IsIprAccess, ///< Accesses IPRs IsUnverifiable, ///< Can't be verified by a checker + //Flags for microcode + IsMacroOp, ///< Is a macroop containing microops + IsMicroOp, ///< Is a microop + IsDelayedCommit, ///< This microop doesn't commit right away + IsLastMicroOp, ///< This microop ends a microop sequence + //This flag doesn't do anything yet + IsMicroBranch, ///< This microop branches within the microcode for a macroop + NumFlags }; @@ -230,6 +240,12 @@ class StaticInstBase : public RefCounted bool isQuiesce() const { return flags[IsQuiesce]; } bool isIprAccess() const { return flags[IsIprAccess]; } bool isUnverifiable() const { return flags[IsUnverifiable]; } + bool isMacroOp() const { return flags[IsMacroOp]; } + bool isMicroOp() const { return flags[IsMicroOp]; } + bool isDelayedCommit() const { return flags[IsDelayedCommit]; } + bool isLastMicroOp() const { return flags[IsLastMicroOp]; } + //This flag doesn't do anything yet + bool isMicroBranch() const { return flags[IsMicroBranch]; } //@} /// Operation class. Used to select appropriate function unit in issue. @@ -347,6 +363,12 @@ class StaticInst : public StaticInstBase #include "cpu/static_inst_exec_sigs.hh" /** + * Return the microop that goes with a particular micropc. This should + * only be defined/used in macroops which will contain microops + */ + virtual StaticInstPtr fetchMicroOp(MicroPC micropc); + + /** * Return the target address for a PC-relative branch. * Invalid if not a PC-relative branch (i.e. isDirectCtrl() * should be true). |