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-rw-r--r--cpu/simple/cpu.cc7
-rw-r--r--cpu/static_inst.hh11
2 files changed, 17 insertions, 1 deletions
diff --git a/cpu/simple/cpu.cc b/cpu/simple/cpu.cc
index a135f45d6..d188074d4 100644
--- a/cpu/simple/cpu.cc
+++ b/cpu/simple/cpu.cc
@@ -889,6 +889,8 @@ SimpleCPU::post_interrupt(int int_num, int index)
void
SimpleCPU::tick()
{
+ DPRINTF(SimpleCPU,"\n\n");
+
numCycles++;
traceData = NULL;
@@ -961,7 +963,7 @@ SimpleCPU::tick()
#define IFETCH_FLAGS(pc) 0
#endif
- DPRINTF(Fetch,"Fetching PC:%08p NPC:%08p NNPC:%08p\n",cpuXC->readPC(),
+ DPRINTF(Fetch,"Fetch: PC:%08p NPC:%08p NNPC:%08p\n",cpuXC->readPC(),
cpuXC->readNextPC(),cpuXC->readNextNPC());
#if SIMPLE_CPU_MEM_TIMING
@@ -1033,6 +1035,9 @@ SimpleCPU::tick()
traceData = Trace::getInstRecord(curTick, xcProxy, this, curStaticInst,
cpuXC->readPC());
+ DPRINTF(Decode,"Decode: Decoded %s instruction (opcode: 0x%x): 0x%x\n",
+ curStaticInst->getName(),curStaticInst->getOpcode(), curStaticInst->machInst);
+
#if FULL_SYSTEM
cpuXC->setInst(inst);
#endif // FULL_SYSTEM
diff --git a/cpu/static_inst.hh b/cpu/static_inst.hh
index 764020577..a200e2849 100644
--- a/cpu/static_inst.hh
+++ b/cpu/static_inst.hh
@@ -391,6 +391,17 @@ class StaticInst : public StaticInstBase
/// @retval A pointer to the corresponding StaticInst object.
//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 getOpname(){ return (machInst & 0x0000003F); }//5...0
+ int getBranch(){ return (machInst & 0x0000FFFF); }//5...0
+ int getJump(){ return (machInst & 0x03FFFFFF); }//5...0
+ int getHint(){ return (machInst & 0x000007C0) >> 6; } //10...6
+ std::string getName() { return mnemonic; }
};
typedef RefCountingPtr<StaticInstBase> StaticInstBasePtr;