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authorAli Saidi <saidi@eecs.umich.edu>2006-07-05 20:30:45 -0400
committerAli Saidi <saidi@eecs.umich.edu>2006-07-05 20:30:45 -0400
commitb36796914af8bfc6729cc8a519e57572460e43e8 (patch)
tree1886edde38b2da28cb45f4e13135b1993502f45d /src/cpu/static_inst.hh
parentf456360bbcd6e4e4fd1550e96658934affac3eb9 (diff)
parent4201ec84b2dd7d96148bf661124dd7b5d0e7204b (diff)
downloadgem5-b36796914af8bfc6729cc8a519e57572460e43e8.tar.xz
Merge zizzer:/bk/newmem
into zeep.pool:/z/saidi/work/m5.newmem.head --HG-- extra : convert_revision : a64362d3cf8de00c97bea25118fee33cffe22707
Diffstat (limited to 'src/cpu/static_inst.hh')
-rw-r--r--src/cpu/static_inst.hh42
1 files changed, 27 insertions, 15 deletions
diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh
index 33c9144fb..a98078634 100644
--- a/src/cpu/static_inst.hh
+++ b/src/cpu/static_inst.hh
@@ -24,6 +24,8 @@
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Steve Reinhardt
*/
#ifndef __CPU_STATIC_INST_HH__
@@ -32,6 +34,7 @@
#include <bitset>
#include <string>
+#include "base/bitfield.hh"
#include "base/hashmap.hh"
#include "base/misc.hh"
#include "base/refcnt.hh"
@@ -41,13 +44,19 @@
// forward declarations
struct AlphaSimpleImpl;
-class ExecContext;
+struct OzoneImpl;
+struct SimpleImpl;
+class ThreadContext;
class DynInst;
class Packet;
template <class Impl>
class AlphaDynInst;
+template <class Impl>
+class OzoneDynInst;
+
+class CheckerCPU;
class FastCPU;
class AtomicSimpleCPU;
class TimingSimpleCPU;
@@ -100,6 +109,7 @@ class StaticInstBase : public RefCounted
IsMemRef, ///< References memory (load, store, or prefetch).
IsLoad, ///< Reads from memory (load or prefetch).
IsStore, ///< Writes to memory.
+ IsStoreConditional, ///< Store conditional instruction.
IsInstPrefetch, ///< Instruction-cache prefetch.
IsDataPrefetch, ///< Data-cache prefetch.
IsCopy, ///< Fast Cache block copy
@@ -124,6 +134,10 @@ class StaticInstBase : public RefCounted
IsWriteBarrier, ///< Is a write barrier
IsNonSpeculative, ///< Should not be executed speculatively
+ IsQuiesce, ///< Is a quiesce instruction
+
+ IsIprAccess, ///< Accesses IPRs
+ IsUnverifiable, ///< Can't be verified by a checker
NumFlags
};
@@ -187,6 +201,7 @@ class StaticInstBase : public RefCounted
bool isMemRef() const { return flags[IsMemRef]; }
bool isLoad() const { return flags[IsLoad]; }
bool isStore() const { return flags[IsStore]; }
+ bool isStoreConditional() const { return flags[IsStoreConditional]; }
bool isInstPrefetch() const { return flags[IsInstPrefetch]; }
bool isDataPrefetch() const { return flags[IsDataPrefetch]; }
bool isCopy() const { return flags[IsCopy];}
@@ -211,6 +226,9 @@ class StaticInstBase : public RefCounted
bool isMemBarrier() const { return flags[IsMemBarrier]; }
bool isWriteBarrier() const { return flags[IsWriteBarrier]; }
bool isNonSpeculative() const { return flags[IsNonSpeculative]; }
+ bool isQuiesce() const { return flags[IsQuiesce]; }
+ bool isIprAccess() const { return flags[IsIprAccess]; }
+ bool isUnverifiable() const { return flags[IsUnverifiable]; }
//@}
/// Operation class. Used to select appropriate function unit in issue.
@@ -340,12 +358,12 @@ class StaticInst : public StaticInstBase
/**
* Return the target address for an indirect branch (jump). The
- * register value is read from the supplied execution context, so
- * the result is valid only if the execution context is about to
+ * register value is read from the supplied thread context, so
+ * the result is valid only if the thread context is about to
* execute the branch in question. Invalid if not an indirect
* branch (i.e. isIndirectCtrl() should be true).
*/
- virtual Addr branchTarget(ExecContext *xc) const
+ virtual Addr branchTarget(ThreadContext *tc) const
{
panic("StaticInst::branchTarget() called on instruction "
"that is not an indirect branch.");
@@ -355,7 +373,7 @@ class StaticInst : public StaticInstBase
* Return true if the instruction is a control transfer, and if so,
* return the target address as well.
*/
- bool hasBranchTarget(Addr pc, ExecContext *xc, Addr &tgt) const;
+ bool hasBranchTarget(Addr pc, ThreadContext *tc, Addr &tgt) const;
/**
* Return string representation of disassembled instruction.
@@ -394,16 +412,10 @@ class StaticInst : public StaticInstBase
//This is defined as inline below.
static StaticInstPtr decode(ExtMachInst mach_inst);
- //MIPS Decoder Debug Functions
- int getOpcode() { return (machInst & 0xFC000000) >> 26 ; }//31..26
- int getRs() { return (machInst & 0x03E00000) >> 21; } //25...21
- int getRt() { return (machInst & 0x001F0000) >> 16; } //20...16
- int getRd() { return (machInst & 0x0000F800) >> 11; } //15...11
- int getImm() { return (machInst & 0x0000FFFF); } //15...0
- int getFunction(){ return (machInst & 0x0000003F); }//5...0
- int getBranch(){ return (machInst & 0x0000FFFF); }//15...0
- int getJump(){ return (machInst & 0x03FFFFFF); }//5...0
- int getHint(){ return (machInst & 0x000007C0) >> 6; } //10...6
+ /// Return opcode of machine instruction
+ uint32_t getOpcode() { return bits(machInst, 31, 26);}
+
+ /// Return name of machine instruction
std::string getName() { return mnemonic; }
};