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-rw-r--r--src/cpu/base_dyn_inst.hh111
-rw-r--r--src/cpu/exetrace.cc302
-rw-r--r--src/cpu/o3/alpha/cpu.hh41
-rw-r--r--src/cpu/o3/alpha/cpu_impl.hh29
-rw-r--r--src/cpu/o3/alpha/dyn_inst.hh78
-rw-r--r--src/cpu/o3/alpha/dyn_inst_impl.hh4
-rw-r--r--src/cpu/o3/alpha/thread_context.hh6
-rw-r--r--src/cpu/o3/comm.hh2
-rw-r--r--src/cpu/o3/commit_impl.hh29
-rw-r--r--src/cpu/o3/cpu.cc4
-rw-r--r--src/cpu/o3/cpu.hh24
-rw-r--r--src/cpu/o3/fetch_impl.hh2
-rw-r--r--src/cpu/o3/iew_impl.hh22
-rwxr-xr-xsrc/cpu/o3/isa_specific.hh5
-rw-r--r--src/cpu/o3/lsq_unit_impl.hh6
-rw-r--r--src/cpu/o3/mips/cpu_impl.hh12
-rwxr-xr-xsrc/cpu/o3/mips/dyn_inst.hh82
-rwxr-xr-xsrc/cpu/o3/mips/dyn_inst_impl.hh4
-rw-r--r--src/cpu/o3/rename.hh4
-rw-r--r--src/cpu/o3/rename_impl.hh65
-rw-r--r--src/cpu/o3/sparc/cpu.cc38
-rw-r--r--src/cpu/o3/sparc/cpu.hh187
-rw-r--r--src/cpu/o3/sparc/cpu_builder.cc433
-rw-r--r--src/cpu/o3/sparc/cpu_impl.hh304
-rw-r--r--src/cpu/o3/sparc/dyn_inst.cc36
-rw-r--r--src/cpu/o3/sparc/dyn_inst.hh219
-rw-r--r--src/cpu/o3/sparc/dyn_inst_impl.hh140
-rw-r--r--src/cpu/o3/sparc/impl.hh92
-rw-r--r--src/cpu/o3/sparc/params.hh63
-rwxr-xr-xsrc/cpu/o3/sparc/thread_context.cc35
-rw-r--r--src/cpu/o3/sparc/thread_context.hh78
-rwxr-xr-xsrc/cpu/o3/thread_context.hh8
-rwxr-xr-xsrc/cpu/o3/thread_context_impl.hh3
-rw-r--r--src/cpu/simple_thread.hh14
-rw-r--r--src/cpu/thread_context.hh2
35 files changed, 2186 insertions, 298 deletions
diff --git a/src/cpu/base_dyn_inst.hh b/src/cpu/base_dyn_inst.hh
index 9037c96df..17e121dbf 100644
--- a/src/cpu/base_dyn_inst.hh
+++ b/src/cpu/base_dyn_inst.hh
@@ -39,6 +39,7 @@
#include "base/fast_alloc.hh"
#include "base/trace.hh"
#include "config/full_system.hh"
+#include "cpu/o3/comm.hh"
#include "cpu/exetrace.hh"
#include "cpu/inst_seq.hh"
#include "cpu/op_class.hh"
@@ -62,10 +63,6 @@ class BaseDynInst : public FastAlloc, public RefCounted
typedef typename Impl::CPUType ImplCPU;
typedef typename ImplCPU::ImplState ImplState;
- // Binary machine instruction type.
- typedef TheISA::MachInst MachInst;
- // Extended machine instruction type
- typedef TheISA::ExtMachInst ExtMachInst;
// Logical register index type.
typedef TheISA::RegIndex RegIndex;
// Integer register type.
@@ -236,7 +233,105 @@ class BaseDynInst : public FastAlloc, public RefCounted
*/
bool _readySrcRegIdx[MaxInstSrcRegs];
+ protected:
+ /** Flattened register index of the destination registers of this
+ * instruction.
+ */
+ TheISA::RegIndex _flatDestRegIdx[TheISA::MaxInstDestRegs];
+
+ /** Flattened register index of the source registers of this
+ * instruction.
+ */
+ TheISA::RegIndex _flatSrcRegIdx[TheISA::MaxInstSrcRegs];
+
+ /** Physical register index of the destination registers of this
+ * instruction.
+ */
+ PhysRegIndex _destRegIdx[TheISA::MaxInstDestRegs];
+
+ /** Physical register index of the source registers of this
+ * instruction.
+ */
+ PhysRegIndex _srcRegIdx[TheISA::MaxInstSrcRegs];
+
+ /** Physical register index of the previous producers of the
+ * architected destinations.
+ */
+ PhysRegIndex _prevDestRegIdx[TheISA::MaxInstDestRegs];
+
public:
+
+ /** Returns the physical register index of the i'th destination
+ * register.
+ */
+ PhysRegIndex renamedDestRegIdx(int idx) const
+ {
+ return _destRegIdx[idx];
+ }
+
+ /** Returns the physical register index of the i'th source register. */
+ PhysRegIndex renamedSrcRegIdx(int idx) const
+ {
+ return _srcRegIdx[idx];
+ }
+
+ /** Returns the flattened register index of the i'th destination
+ * register.
+ */
+ TheISA::RegIndex flattenedDestRegIdx(int idx) const
+ {
+ return _flatDestRegIdx[idx];
+ }
+
+ /** Returns the flattened register index of the i'th source register */
+ TheISA::RegIndex flattenedSrcRegIdx(int idx) const
+ {
+ return _flatSrcRegIdx[idx];
+ }
+
+ /** Returns the physical register index of the previous physical register
+ * that remapped to the same logical register index.
+ */
+ PhysRegIndex prevDestRegIdx(int idx) const
+ {
+ return _prevDestRegIdx[idx];
+ }
+
+ /** Renames a destination register to a physical register. Also records
+ * the previous physical register that the logical register mapped to.
+ */
+ void renameDestReg(int idx,
+ PhysRegIndex renamed_dest,
+ PhysRegIndex previous_rename)
+ {
+ _destRegIdx[idx] = renamed_dest;
+ _prevDestRegIdx[idx] = previous_rename;
+ }
+
+ /** Renames a source logical register to the physical register which
+ * has/will produce that logical register's result.
+ * @todo: add in whether or not the source register is ready.
+ */
+ void renameSrcReg(int idx, PhysRegIndex renamed_src)
+ {
+ _srcRegIdx[idx] = renamed_src;
+ }
+
+ /** Flattens a source architectural register index into a logical index.
+ */
+ void flattenSrcReg(int idx, TheISA::RegIndex flattened_src)
+ {
+ _flatSrcRegIdx[idx] = flattened_src;
+ }
+
+ /** Flattens a destination architectural register index into a logical
+ * index.
+ */
+ void flattenDestReg(int idx, TheISA::RegIndex flattened_dest)
+ {
+ _flatDestRegIdx[idx] = flattened_dest;
+ }
+
/** BaseDynInst constructor given a binary instruction.
* @param inst The binary instruction.
* @param PC The PC of the instruction.
@@ -244,8 +339,8 @@ class BaseDynInst : public FastAlloc, public RefCounted
* @param seq_num The sequence number of the instruction.
* @param cpu Pointer to the instruction's CPU.
*/
- BaseDynInst(ExtMachInst inst, Addr PC, Addr pred_PC, InstSeqNum seq_num,
- ImplCPU *cpu);
+ BaseDynInst(TheISA::ExtMachInst inst, Addr PC, Addr pred_PC,
+ InstSeqNum seq_num, ImplCPU *cpu);
/** BaseDynInst constructor given a StaticInst pointer.
* @param _staticInst The StaticInst for this BaseDynInst.
@@ -298,9 +393,9 @@ class BaseDynInst : public FastAlloc, public RefCounted
/** Returns whether the instruction was predicted taken or not. */
bool predTaken()
#if ISA_HAS_DELAY_SLOT
- { return predPC != (nextPC + sizeof(MachInst)); }
+ { return predPC != (nextPC + sizeof(TheISA::MachInst)); }
#else
- { return predPC != (PC + sizeof(MachInst)); }
+ { return predPC != (PC + sizeof(TheISA::MachInst)); }
#endif
/** Returns whether the instruction mispredicted. */
diff --git a/src/cpu/exetrace.cc b/src/cpu/exetrace.cc
index 113f0fe74..780a0c4f7 100644
--- a/src/cpu/exetrace.cc
+++ b/src/cpu/exetrace.cc
@@ -66,6 +66,56 @@ SharedData *shared_data = NULL;
// Methods for the InstRecord object
//
+#if THE_ISA == SPARC_ISA
+
+inline char * genCenteredLabel(int length, char * buffer, char * label)
+{
+ int labelLength = strlen(label);
+ assert(labelLength <= length);
+ int leftPad = (length - labelLength) / 2;
+ int rightPad = length - leftPad - labelLength;
+ char format[64];
+ sprintf(format, "%%%ds%%s%%%ds", leftPad, rightPad);
+ sprintf(buffer, format, "", label, "");
+ return buffer;
+}
+
+inline void printRegPair(ostream & os, char const * title, uint64_t a, uint64_t b)
+{
+ ccprintf(os, " %16s | %#018x %s %#-018x \n",
+ title, a, (a == b) ? "|" : "X", b);
+}
+
+inline void printColumnLabels(ostream & os)
+{
+ static char * regLabel = genCenteredLabel(16, new char[17], "Register");
+ static char * m5Label = genCenteredLabel(18, new char[18], "M5");
+ static char * legionLabel = genCenteredLabel(18, new char[18], "Legion");
+ ccprintf(os, " %s | %s | %s \n", regLabel, m5Label, legionLabel);
+ ccprintf(os, "--------------------+-----------------------+-----------------------\n");
+}
+
+inline void printSectionHeader(ostream & os, char * name)
+{
+ char sectionString[70];
+ genCenteredLabel(69, sectionString, name);
+ ccprintf(os, "====================================================================\n");
+ ccprintf(os, "%69s\n", sectionString);
+ ccprintf(os, "====================================================================\n");
+}
+
+inline void printLevelHeader(ostream & os, int level)
+{
+ char sectionString[70];
+ char levelName[70];
+ sprintf(levelName, "Trap stack level %d", level);
+ genCenteredLabel(69, sectionString, levelName);
+ ccprintf(os, "====================================================================\n");
+ ccprintf(os, "%69s\n", sectionString);
+ ccprintf(os, "====================================================================\n");
+}
+
+#endif
void
Trace::InstRecord::dump(ostream &outs)
@@ -91,13 +141,15 @@ Trace::InstRecord::dump(ostream &outs)
outs << hex;
outs << "PC = " << thread->readNextPC();
outs << " NPC = " << thread->readNextNPC();
- newVal = thread->readMiscReg(SparcISA::MISCREG_CCR);
+ newVal = thread->readIntReg(SparcISA::NumIntArchRegs + 2);
+ //newVal = thread->readMiscReg(SparcISA::MISCREG_CCR);
if(newVal != ccr)
{
outs << " CCR = " << newVal;
ccr = newVal;
}
- newVal = thread->readMiscReg(SparcISA::MISCREG_Y);
+ newVal = thread->readIntReg(SparcISA::NumIntArchRegs + 1);
+ //newVal = thread->readMiscReg(SparcISA::MISCREG_Y);
if(newVal != y)
{
outs << " Y = " << newVal;
@@ -237,25 +289,122 @@ Trace::InstRecord::dump(ostream &outs)
bool diffPC = false;
bool diffInst = false;
bool diffRegs = false;
+ bool diffTpc = false;
+ bool diffTnpc = false;
+ bool diffTstate = false;
+ bool diffTt = false;
+ bool diffTba = false;
+ bool diffHpstate = false;
+ bool diffHtstate = false;
+ bool diffHtba = false;
+ bool diffPstate = false;
+ bool diffY = false;
+ bool diffCcr = false;
+ bool diffTl = false;
+ bool diffGl = false;
+ bool diffAsi = false;
+ bool diffPil = false;
+ bool diffCwp = false;
+ bool diffCansave = false;
+ bool diffCanrestore = false;
+ bool diffOtherwin = false;
+ bool diffCleanwin = false;
Addr m5Pc, lgnPc;
if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) {
while (!compared) {
- m5Pc = PC & TheISA::PAddrImplMask;
- lgnPc = shared_data->pc & TheISA::PAddrImplMask;
if (shared_data->flags == OWN_M5) {
+ m5Pc = PC & TheISA::PAddrImplMask;
+ lgnPc = shared_data->pc & TheISA::PAddrImplMask;
if (lgnPc != m5Pc)
diffPC = true;
- if (shared_data->instruction != staticInst->machInst)
+ if (shared_data->instruction !=
+ (SparcISA::MachInst)staticInst->machInst) {
diffInst = true;
- for (int i = 0; i < TheISA::NumRegularIntRegs; i++) {
+ }
+ for (int i = 0; i < TheISA::NumIntArchRegs; i++) {
if (thread->readIntReg(i) != shared_data->intregs[i]) {
diffRegs = true;
}
}
-
- if (diffPC || diffInst || diffRegs ) {
+ uint64_t oldTl = thread->readMiscReg(MISCREG_TL);
+ if (oldTl != shared_data->tl)
+ diffTl = true;
+ for (int i = 1; i <= MaxTL; i++) {
+ thread->setMiscReg(MISCREG_TL, i);
+ if (thread->readMiscReg(MISCREG_TPC) !=
+ shared_data->tpc[i])
+ diffTpc = true;
+ if (thread->readMiscReg(MISCREG_TNPC) !=
+ shared_data->tnpc[i])
+ diffTnpc = true;
+ if (thread->readMiscReg(MISCREG_TSTATE) !=
+ shared_data->tstate[i])
+ diffTstate = true;
+ if (thread->readMiscReg(MISCREG_TT) !=
+ shared_data->tt[i])
+ diffTt = true;
+ if (thread->readMiscReg(MISCREG_HTSTATE) !=
+ shared_data->htstate[i])
+ diffHtstate = true;
+ }
+ thread->setMiscReg(MISCREG_TL, oldTl);
+
+ if(shared_data->tba != thread->readMiscReg(MISCREG_TBA))
+ diffTba = true;
+ //When the hpstate register is read by an instruction,
+ //legion has bit 11 set. When it's in storage, it doesn't.
+ //Since we don't directly support seperate interpretations
+ //of the registers like that, the bit is always set to 1 and
+ //we just don't compare it. It's not supposed to matter
+ //anyway.
+ if((shared_data->hpstate | (1 << 11)) != thread->readMiscReg(MISCREG_HPSTATE))
+ diffHpstate = true;
+ if(shared_data->htba != thread->readMiscReg(MISCREG_HTBA))
+ diffHtba = true;
+ if(shared_data->pstate != thread->readMiscReg(MISCREG_PSTATE))
+ diffPstate = true;
+ //if(shared_data->y != thread->readMiscReg(MISCREG_Y))
+ if(shared_data->y !=
+ thread->readIntReg(NumIntArchRegs + 1))
+ diffY = true;
+ //if(shared_data->ccr != thread->readMiscReg(MISCREG_CCR))
+ if(shared_data->ccr !=
+ thread->readIntReg(NumIntArchRegs + 2))
+ diffCcr = true;
+ if(shared_data->gl != thread->readMiscReg(MISCREG_GL))
+ diffGl = true;
+ if(shared_data->asi != thread->readMiscReg(MISCREG_ASI))
+ diffAsi = true;
+ if(shared_data->pil != thread->readMiscReg(MISCREG_PIL))
+ diffPil = true;
+ if(shared_data->cwp != thread->readMiscReg(MISCREG_CWP))
+ diffCwp = true;
+ //if(shared_data->cansave != thread->readMiscReg(MISCREG_CANSAVE))
+ if(shared_data->cansave !=
+ thread->readIntReg(NumIntArchRegs + 3))
+ diffCansave = true;
+ //if(shared_data->canrestore !=
+ // thread->readMiscReg(MISCREG_CANRESTORE))
+ if(shared_data->canrestore !=
+ thread->readMiscReg(NumIntArchRegs + 4))
+ diffCanrestore = true;
+ //if(shared_data->otherwin != thread->readMiscReg(MISCREG_OTHERWIN))
+ if(shared_data->otherwin !=
+ thread->readIntReg(NumIntArchRegs + 5))
+ diffOtherwin = true;
+ //if(shared_data->cleanwin != thread->readMiscReg(MISCREG_CLEANWIN))
+ if(shared_data->cleanwin !=
+ thread->readMiscReg(NumIntArchRegs + 6))
+ diffCleanwin = true;
+
+ if (diffPC || diffInst || diffRegs || diffTpc || diffTnpc ||
+ diffTstate || diffTt || diffHpstate ||
+ diffHtstate || diffHtba || diffPstate || diffY ||
+ diffCcr || diffTl || diffGl || diffAsi || diffPil ||
+ diffCwp || diffCansave || diffCanrestore ||
+ diffOtherwin || diffCleanwin) {
outs << "Differences found between M5 and Legion:";
if (diffPC)
outs << " [PC]";
@@ -263,6 +412,44 @@ Trace::InstRecord::dump(ostream &outs)
outs << " [Instruction]";
if (diffRegs)
outs << " [IntRegs]";
+ if (diffTpc)
+ outs << " [Tpc]";
+ if (diffTnpc)
+ outs << " [Tnpc]";
+ if (diffTstate)
+ outs << " [Tstate]";
+ if (diffTt)
+ outs << " [Tt]";
+ if (diffHpstate)
+ outs << " [Hpstate]";
+ if (diffHtstate)
+ outs << " [Htstate]";
+ if (diffHtba)
+ outs << " [Htba]";
+ if (diffPstate)
+ outs << " [Pstate]";
+ if (diffY)
+ outs << " [Y]";
+ if (diffCcr)
+ outs << " [Ccr]";
+ if (diffTl)
+ outs << " [Tl]";
+ if (diffGl)
+ outs << " [Gl]";
+ if (diffAsi)
+ outs << " [Asi]";
+ if (diffPil)
+ outs << " [Pil]";
+ if (diffCwp)
+ outs << " [Cwp]";
+ if (diffCansave)
+ outs << " [Cansave]";
+ if (diffCanrestore)
+ outs << " [Canrestore]";
+ if (diffOtherwin)
+ outs << " [Otherwin]";
+ if (diffCleanwin)
+ outs << " [Cleanwin]";
outs << endl << endl;
outs << right << setfill(' ') << setw(15)
@@ -278,29 +465,112 @@ Trace::InstRecord::dump(ostream &outs)
<< staticInst->disassemble(m5Pc, debugSymbolTable)
<< endl;
- StaticInstPtr legionInst = StaticInst::decode(makeExtMI(shared_data->instruction, thread));
+ StaticInstPtr legionInst =
+ StaticInst::decode(makeExtMI(shared_data->instruction,
+ thread));
outs << setfill(' ') << setw(15)
<< " Legion Inst: "
<< "0x" << setw(8) << setfill('0') << hex
<< shared_data->instruction
<< legionInst->disassemble(lgnPc, debugSymbolTable)
- << endl;
-
+ << endl << endl;
+
+ printSectionHeader(outs, "General State");
+ printColumnLabels(outs);
+ printRegPair(outs, "HPstate",
+ thread->readMiscReg(MISCREG_HPSTATE),
+ shared_data->hpstate | (1 << 11));
+ printRegPair(outs, "Htba",
+ thread->readMiscReg(MISCREG_HTBA),
+ shared_data->htba);
+ printRegPair(outs, "Pstate",
+ thread->readMiscReg(MISCREG_PSTATE),
+ shared_data->pstate);
+ printRegPair(outs, "Y",
+ //thread->readMiscReg(MISCREG_Y),
+ thread->readMiscReg(NumIntArchRegs + 1),
+ shared_data->y);
+ printRegPair(outs, "Ccr",
+ //thread->readMiscReg(MISCREG_CCR),
+ thread->readMiscReg(NumIntArchRegs + 2),
+ shared_data->ccr);
+ printRegPair(outs, "Tl",
+ thread->readMiscReg(MISCREG_TL),
+ shared_data->tl);
+ printRegPair(outs, "Gl",
+ thread->readMiscReg(MISCREG_GL),
+ shared_data->gl);
+ printRegPair(outs, "Asi",
+ thread->readMiscReg(MISCREG_ASI),
+ shared_data->asi);
+ printRegPair(outs, "Pil",
+ thread->readMiscReg(MISCREG_PIL),
+ shared_data->pil);
+ printRegPair(outs, "Cwp",
+ thread->readMiscReg(MISCREG_CWP),
+ shared_data->cwp);
+ printRegPair(outs, "Cansave",
+ //thread->readMiscReg(MISCREG_CANSAVE),
+ thread->readIntReg(NumIntArchRegs + 3),
+ shared_data->cansave);
+ printRegPair(outs, "Canrestore",
+ //thread->readMiscReg(MISCREG_CANRESTORE),
+ thread->readIntReg(NumIntArchRegs + 4),
+ shared_data->canrestore);
+ printRegPair(outs, "Otherwin",
+ //thread->readMiscReg(MISCREG_OTHERWIN),
+ thread->readIntReg(NumIntArchRegs + 5),
+ shared_data->otherwin);
+ printRegPair(outs, "Cleanwin",
+ //thread->readMiscReg(MISCREG_CLEANWIN),
+ thread->readIntReg(NumIntArchRegs + 6),
+ shared_data->cleanwin);
+ outs << endl;
+ for (int i = 1; i <= MaxTL; i++) {
+ printLevelHeader(outs, i);
+ printColumnLabels(outs);
+ thread->setMiscReg(MISCREG_TL, i);
+ printRegPair(outs, "Tpc",
+ thread->readMiscReg(MISCREG_TPC),
+ shared_data->tpc[i]);
+ printRegPair(outs, "Tnpc",
+ thread->readMiscReg(MISCREG_TNPC),
+ shared_data->tnpc[i]);
+ printRegPair(outs, "Tstate",
+ thread->readMiscReg(MISCREG_TSTATE),
+ shared_data->tstate[i]);
+ printRegPair(outs, "Tt",
+ thread->readMiscReg(MISCREG_TT),
+ shared_data->tt[i]);
+ printRegPair(outs, "Htstate",
+ thread->readMiscReg(MISCREG_HTSTATE),
+ shared_data->htstate[i]);
+ }
+ thread->setMiscReg(MISCREG_TL, oldTl);
outs << endl;
+ printSectionHeader(outs, "General Purpose Registers");
static const char * regtypes[4] = {"%g", "%o", "%l", "%i"};
for(int y = 0; y < 4; y++)
{
for(int x = 0; x < 8; x++)
{
- outs << regtypes[y] << x << " " ;
- outs << "0x" << hex << setw(16) << thread->readIntReg(y*8+x);
- if (thread->readIntReg(y*8 + x) != shared_data->intregs[y*8+x])
+ char label[8];
+ sprintf(label, "%s%d", regtypes[y], x);
+ printRegPair(outs, label,
+ thread->readIntReg(y*8+x),
+ shared_data->intregs[y*8+x]);
+ /*outs << regtypes[y] << x << " " ;
+ outs << "0x" << hex << setw(16)
+ << thread->readIntReg(y*8+x);
+ if (thread->readIntReg(y*8 + x)
+ != shared_data->intregs[y*8+x])
outs << " X ";
else
outs << " | ";
- outs << "0x" << setw(16) << hex << shared_data->intregs[y*8+x]
- << endl;
+ outs << "0x" << setw(16) << hex
+ << shared_data->intregs[y*8+x]
+ << endl;*/
}
}
fatal("Differences found between Legion and M5\n");
diff --git a/src/cpu/o3/alpha/cpu.hh b/src/cpu/o3/alpha/cpu.hh
index 0078db69f..4a2086296 100644
--- a/src/cpu/o3/alpha/cpu.hh
+++ b/src/cpu/o3/alpha/cpu.hh
@@ -37,12 +37,6 @@
#include "cpu/o3/cpu.hh"
#include "sim/byteswap.hh"
-namespace TheISA
-{
- class ITB;
- class DTB;
-}
-
class EndQuiesceEvent;
namespace Kernel {
class Statistics;
@@ -61,14 +55,6 @@ class TranslatingPort;
template <class Impl>
class AlphaO3CPU : public FullO3CPU<Impl>
{
- protected:
- typedef TheISA::IntReg IntReg;
- typedef TheISA::FloatReg FloatReg;
- typedef TheISA::FloatRegBits FloatRegBits;
- typedef TheISA::MiscReg MiscReg;
- typedef TheISA::RegFile RegFile;
- typedef TheISA::MiscRegFile MiscRegFile;
-
public:
typedef O3ThreadState<Impl> ImplState;
typedef O3ThreadState<Impl> Thread;
@@ -77,13 +63,6 @@ class AlphaO3CPU : public FullO3CPU<Impl>
/** Constructs an AlphaO3CPU with the given parameters. */
AlphaO3CPU(Params *params);
-#if FULL_SYSTEM
- /** ITB pointer. */
- AlphaISA::ITB *itb;
- /** DTB pointer. */
- AlphaISA::DTB *dtb;
-#endif
-
/** Registers statistics. */
void regStats();
@@ -91,19 +70,19 @@ class AlphaO3CPU : public FullO3CPU<Impl>
/** Translates instruction requestion. */
Fault translateInstReq(RequestPtr &req, Thread *thread)
{
- return itb->translate(req, thread->getTC());
+ return this->itb->translate(req, thread->getTC());
}
/** Translates data read request. */
Fault translateDataReadReq(RequestPtr &req, Thread *thread)
{
- return dtb->translate(req, thread->getTC(), false);
+ return this->dtb->translate(req, thread->getTC(), false);
}
/** Translates data write request. */
Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
{
- return dtb->translate(req, thread->getTC(), true);
+ return this->dtb->translate(req, thread->getTC(), true);
}
#else
@@ -127,20 +106,22 @@ class AlphaO3CPU : public FullO3CPU<Impl>
#endif
/** Reads a miscellaneous register. */
- MiscReg readMiscReg(int misc_reg, unsigned tid);
+ TheISA::MiscReg readMiscReg(int misc_reg, unsigned tid);
/** Reads a misc. register, including any side effects the read
* might have as defined by the architecture.
*/
- MiscReg readMiscRegWithEffect(int misc_reg, unsigned tid);
+ TheISA::MiscReg readMiscRegWithEffect(int misc_reg, unsigned tid);
/** Sets a miscellaneous register. */
- void setMiscReg(int misc_reg, const MiscReg &val, unsigned tid);
+ void setMiscReg(int misc_reg, const TheISA::MiscReg &val,
+ unsigned tid);
/** Sets a misc. register, including any side effects the write
* might have as defined by the architecture.
*/
- void setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned tid);
+ void setMiscRegWithEffect(int misc_reg, const TheISA::MiscReg &val,
+ unsigned tid);
/** Initiates a squash of all in-flight instructions for a given
* thread. The source of the squash is an external update of
@@ -175,10 +156,10 @@ class AlphaO3CPU : public FullO3CPU<Impl>
*/
void syscall(int64_t callnum, int tid);
/** Gets a syscall argument. */
- IntReg getSyscallArg(int i, int tid);
+ TheISA::IntReg getSyscallArg(int i, int tid);
/** Used to shift args for indirect syscall. */
- void setSyscallArg(int i, IntReg val, int tid);
+ void setSyscallArg(int i, TheISA::IntReg val, int tid);
/** Sets the return value of a syscall. */
void setSyscallReturn(SyscallReturn return_value, int tid);
diff --git a/src/cpu/o3/alpha/cpu_impl.hh b/src/cpu/o3/alpha/cpu_impl.hh
index 98fd0699a..fb0962056 100644
--- a/src/cpu/o3/alpha/cpu_impl.hh
+++ b/src/cpu/o3/alpha/cpu_impl.hh
@@ -55,12 +55,7 @@
#endif
template <class Impl>
-AlphaO3CPU<Impl>::AlphaO3CPU(Params *params)
-#if FULL_SYSTEM
- : FullO3CPU<Impl>(params), itb(params->itb), dtb(params->dtb)
-#else
- : FullO3CPU<Impl>(params)
-#endif
+AlphaO3CPU<Impl>::AlphaO3CPU(Params *params) : FullO3CPU<Impl>(params)
{
DPRINTF(O3CPU, "Creating AlphaO3CPU object.\n");
@@ -173,15 +168,16 @@ AlphaO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, unsigned tid)
template <class Impl>
void
-AlphaO3CPU<Impl>::setMiscReg(int misc_reg, const MiscReg &val, unsigned tid)
+AlphaO3CPU<Impl>::setMiscReg(int misc_reg, const TheISA::MiscReg &val,
+ unsigned tid)
{
this->regFile.setMiscReg(misc_reg, val, tid);
}
template <class Impl>
void
-AlphaO3CPU<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val,
- unsigned tid)
+AlphaO3CPU<Impl>::setMiscRegWithEffect(int misc_reg,
+ const TheISA::MiscReg &val, unsigned tid)
{
this->regFile.setMiscRegWithEffect(misc_reg, val, tid);
}
@@ -315,7 +311,7 @@ AlphaO3CPU<Impl>::getSyscallArg(int i, int tid)
template <class Impl>
void
-AlphaO3CPU<Impl>::setSyscallArg(int i, IntReg val, int tid)
+AlphaO3CPU<Impl>::setSyscallArg(int i, TheISA::IntReg val, int tid)
{
this->setArchIntReg(AlphaISA::ArgumentReg0 + i, val, tid);
}
@@ -324,17 +320,6 @@ template <class Impl>
void
AlphaO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid)
{
- // check for error condition. Alpha syscall convention is to
- // indicate success/failure in reg a3 (r19) and put the
- // return value itself in the standard return value reg (v0).
- if (return_value.successful()) {
- // no error
- this->setArchIntReg(TheISA::SyscallSuccessReg, 0, tid);
- this->setArchIntReg(TheISA::ReturnValueReg, return_value.value(), tid);
- } else {
- // got an error, return details
- this->setArchIntReg(TheISA::SyscallSuccessReg, (IntReg) -1, tid);
- this->setArchIntReg(TheISA::ReturnValueReg, -return_value.value(), tid);
- }
+ TheISA::setSyscallReturn(return_value, this->tcBase(tid));
}
#endif
diff --git a/src/cpu/o3/alpha/dyn_inst.hh b/src/cpu/o3/alpha/dyn_inst.hh
index 49cc5a201..c340a806a 100644
--- a/src/cpu/o3/alpha/dyn_inst.hh
+++ b/src/cpu/o3/alpha/dyn_inst.hh
@@ -134,22 +134,6 @@ class AlphaDynInst : public BaseDynInst<Impl>
void syscall(int64_t callnum);
#endif
- private:
- /** Physical register index of the destination registers of this
- * instruction.
- */
- PhysRegIndex _destRegIdx[MaxInstDestRegs];
-
- /** Physical register index of the source registers of this
- * instruction.
- */
- PhysRegIndex _srcRegIdx[MaxInstSrcRegs];
-
- /** Physical register index of the previous producers of the
- * architected destinations.
- */
- PhysRegIndex _prevDestRegIdx[MaxInstDestRegs];
-
public:
// The register accessor methods provide the index of the
@@ -165,28 +149,28 @@ class AlphaDynInst : public BaseDynInst<Impl>
uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
- return this->cpu->readIntReg(_srcRegIdx[idx]);
+ return this->cpu->readIntReg(this->_srcRegIdx[idx]);
}
FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
- return this->cpu->readFloatReg(_srcRegIdx[idx], width);
+ return this->cpu->readFloatReg(this->_srcRegIdx[idx], width);
}
FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
- return this->cpu->readFloatReg(_srcRegIdx[idx]);
+ return this->cpu->readFloatReg(this->_srcRegIdx[idx]);
}
FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
int width)
{
- return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
+ return this->cpu->readFloatRegBits(this->_srcRegIdx[idx], width);
}
FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
- return this->cpu->readFloatRegBits(_srcRegIdx[idx]);
+ return this->cpu->readFloatRegBits(this->_srcRegIdx[idx]);
}
/** @todo: Make results into arrays so they can handle multiple dest
@@ -194,79 +178,37 @@ class AlphaDynInst : public BaseDynInst<Impl>
*/
void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
- this->cpu->setIntReg(_destRegIdx[idx], val);
+ this->cpu->setIntReg(this->_destRegIdx[idx], val);
BaseDynInst<Impl>::setIntRegOperand(si, idx, val);
}
void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
int width)
{
- this->cpu->setFloatReg(_destRegIdx[idx], val, width);
+ this->cpu->setFloatReg(this->_destRegIdx[idx], val, width);
BaseDynInst<Impl>::setFloatRegOperand(si, idx, val, width);
}
void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
- this->cpu->setFloatReg(_destRegIdx[idx], val);
+ this->cpu->setFloatReg(this->_destRegIdx[idx], val);
BaseDynInst<Impl>::setFloatRegOperand(si, idx, val);
}
void setFloatRegOperandBits(const StaticInst *si, int idx,
FloatRegBits val, int width)
{
- this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
+ this->cpu->setFloatRegBits(this->_destRegIdx[idx], val, width);
BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
void setFloatRegOperandBits(const StaticInst *si, int idx,
FloatRegBits val)
{
- this->cpu->setFloatRegBits(_destRegIdx[idx], val);
+ this->cpu->setFloatRegBits(this->_destRegIdx[idx], val);
BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
- /** Returns the physical register index of the i'th destination
- * register.
- */
- PhysRegIndex renamedDestRegIdx(int idx) const
- {
- return _destRegIdx[idx];
- }
-
- /** Returns the physical register index of the i'th source register. */
- PhysRegIndex renamedSrcRegIdx(int idx) const
- {
- return _srcRegIdx[idx];
- }
-
- /** Returns the physical register index of the previous physical register
- * that remapped to the same logical register index.
- */
- PhysRegIndex prevDestRegIdx(int idx) const
- {
- return _prevDestRegIdx[idx];
- }
-
- /** Renames a destination register to a physical register. Also records
- * the previous physical register that the logical register mapped to.
- */
- void renameDestReg(int idx,
- PhysRegIndex renamed_dest,
- PhysRegIndex previous_rename)
- {
- _destRegIdx[idx] = renamed_dest;
- _prevDestRegIdx[idx] = previous_rename;
- }
-
- /** Renames a source logical register to the physical register which
- * has/will produce that logical register's result.
- * @todo: add in whether or not the source register is ready.
- */
- void renameSrcReg(int idx, PhysRegIndex renamed_src)
- {
- _srcRegIdx[idx] = renamed_src;
- }
-
public:
/** Calculates EA part of a memory instruction. Currently unused,
* though it may be useful in the future if we want to split
diff --git a/src/cpu/o3/alpha/dyn_inst_impl.hh b/src/cpu/o3/alpha/dyn_inst_impl.hh
index 6fc548a85..02432f721 100644
--- a/src/cpu/o3/alpha/dyn_inst_impl.hh
+++ b/src/cpu/o3/alpha/dyn_inst_impl.hh
@@ -53,11 +53,11 @@ AlphaDynInst<Impl>::initVars()
// as the normal register entries. It will allow the IQ to work
// without any modifications.
for (int i = 0; i < this->staticInst->numDestRegs(); i++) {
- _destRegIdx[i] = this->staticInst->destRegIdx(i);
+ this->_destRegIdx[i] = this->staticInst->destRegIdx(i);
}
for (int i = 0; i < this->staticInst->numSrcRegs(); i++) {
- _srcRegIdx[i] = this->staticInst->srcRegIdx(i);
+ this->_srcRegIdx[i] = this->staticInst->srcRegIdx(i);
this->_readySrcRegIdx[i] = 0;
}
}
diff --git a/src/cpu/o3/alpha/thread_context.hh b/src/cpu/o3/alpha/thread_context.hh
index bcecb7087..e4a6735c2 100644
--- a/src/cpu/o3/alpha/thread_context.hh
+++ b/src/cpu/o3/alpha/thread_context.hh
@@ -36,12 +36,6 @@ class AlphaTC : public O3ThreadContext<Impl>
{
public:
#if FULL_SYSTEM
- /** Returns a pointer to the ITB. */
- virtual AlphaISA::ITB *getITBPtr() { return this->cpu->itb; }
-
- /** Returns a pointer to the DTB. */
- virtual AlphaISA::DTB *getDTBPtr() { return this->cpu->dtb; }
-
/** Returns pointer to the quiesce event. */
virtual EndQuiesceEvent *getQuiesceEvent()
{
diff --git a/src/cpu/o3/comm.hh b/src/cpu/o3/comm.hh
index aa58fc20e..4683c77af 100644
--- a/src/cpu/o3/comm.hh
+++ b/src/cpu/o3/comm.hh
@@ -87,7 +87,7 @@ struct DefaultIEWDefaultCommit {
bool squash[Impl::MaxThreads];
bool branchMispredict[Impl::MaxThreads];
bool branchTaken[Impl::MaxThreads];
- bool condDelaySlotBranch[Impl::MaxThreads];
+ bool squashDelaySlot[Impl::MaxThreads];
uint64_t mispredPC[Impl::MaxThreads];
uint64_t nextPC[Impl::MaxThreads];
InstSeqNum squashedSeqNum[Impl::MaxThreads];
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh
index f400d757b..3178410a8 100644
--- a/src/cpu/o3/commit_impl.hh
+++ b/src/cpu/o3/commit_impl.hh
@@ -728,28 +728,11 @@ DefaultCommit<Impl>::commit()
InstSeqNum squashed_inst = fromIEW->squashedSeqNum[tid];
#if ISA_HAS_DELAY_SLOT
- InstSeqNum bdelay_done_seq_num;
- bool squash_bdelay_slot;
-
- if (fromIEW->branchMispredict[tid]) {
- if (fromIEW->branchTaken[tid] &&
- fromIEW->condDelaySlotBranch[tid]) {
- DPRINTF(Commit, "[tid:%i]: Cond. delay slot branch"
- "mispredicted as taken. Squashing after previous "
- "inst, [sn:%i]\n",
- tid, squashed_inst);
- bdelay_done_seq_num = squashed_inst;
- squash_bdelay_slot = true;
- } else {
- DPRINTF(Commit, "[tid:%i]: Branch Mispredict. Squashing "
- "after delay slot [sn:%i]\n", tid, squashed_inst+1);
- bdelay_done_seq_num = squashed_inst + 1;
- squash_bdelay_slot = false;
- }
- } else {
- bdelay_done_seq_num = squashed_inst;
- squash_bdelay_slot = true;
- }
+ InstSeqNum bdelay_done_seq_num = squashed_inst;
+ bool squash_bdelay_slot = fromIEW->squashDelaySlot[tid];
+
+ if (!squash_bdelay_slot)
+ bdelay_done_seq_num++;
#endif
if (fromIEW->includeSquashInst[tid] == true) {
@@ -1117,7 +1100,7 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num)
// Update the commit rename map
for (int i = 0; i < head_inst->numDestRegs(); i++) {
- renameMap[tid]->setEntry(head_inst->destRegIdx(i),
+ renameMap[tid]->setEntry(head_inst->flattenedDestRegIdx(i),
head_inst->renamedDestRegIdx(i));
}
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index a5a00015f..4056d876f 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -149,6 +149,10 @@ FullO3CPU<Impl>::DeallocateContextEvent::description()
template <class Impl>
FullO3CPU<Impl>::FullO3CPU(Params *params)
: BaseO3CPU(params),
+#if FULL_SYSTEM
+ itb(params->itb),
+ dtb(params->dtb),
+#endif
tickEvent(this),
removeInstsThisCycle(false),
fetch(params),
diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh
index 2bf9cb23b..d217a3e85 100644
--- a/src/cpu/o3/cpu.hh
+++ b/src/cpu/o3/cpu.hh
@@ -91,9 +91,6 @@ template <class Impl>
class FullO3CPU : public BaseO3CPU
{
public:
- typedef TheISA::FloatReg FloatReg;
- typedef TheISA::FloatRegBits FloatRegBits;
-
// Typedefs from the Impl here.
typedef typename Impl::CPUPol CPUPolicy;
typedef typename Impl::Params Params;
@@ -114,6 +111,11 @@ class FullO3CPU : public BaseO3CPU
SwitchedOut
};
+#if FULL_SYSTEM
+ TheISA::ITB * itb;
+ TheISA::DTB * dtb;
+#endif
+
/** Overall CPU status. */
Status _status;
@@ -382,23 +384,23 @@ class FullO3CPU : public BaseO3CPU
/** Register accessors. Index refers to the physical register index. */
uint64_t readIntReg(int reg_idx);
- FloatReg readFloatReg(int reg_idx);
+ TheISA::FloatReg readFloatReg(int reg_idx);
- FloatReg readFloatReg(int reg_idx, int width);
+ TheISA::FloatReg readFloatReg(int reg_idx, int width);
- FloatRegBits readFloatRegBits(int reg_idx);
+ TheISA::FloatRegBits readFloatRegBits(int reg_idx);
- FloatRegBits readFloatRegBits(int reg_idx, int width);
+ TheISA::FloatRegBits readFloatRegBits(int reg_idx, int width);
void setIntReg(int reg_idx, uint64_t val);
- void setFloatReg(int reg_idx, FloatReg val);
+ void setFloatReg(int reg_idx, TheISA::FloatReg val);
- void setFloatReg(int reg_idx, FloatReg val, int width);
+ void setFloatReg(int reg_idx, TheISA::FloatReg val, int width);
- void setFloatRegBits(int reg_idx, FloatRegBits val);
+ void setFloatRegBits(int reg_idx, TheISA::FloatRegBits val);
- void setFloatRegBits(int reg_idx, FloatRegBits val, int width);
+ void setFloatRegBits(int reg_idx, TheISA::FloatRegBits val, int width);
uint64_t readArchIntReg(int reg_idx, unsigned tid);
diff --git a/src/cpu/o3/fetch_impl.hh b/src/cpu/o3/fetch_impl.hh
index 622259495..6cff52429 100644
--- a/src/cpu/o3/fetch_impl.hh
+++ b/src/cpu/o3/fetch_impl.hh
@@ -1157,6 +1157,8 @@ DefaultFetch<Impl>::fetch(bool &status_change)
"[sn:%lli]\n",
tid, instruction->readPC(), inst_seq);
+ DPRINTF(Fetch, "[tid:%i]: MachInst is %#x\n", tid, ext_inst);
+
DPRINTF(Fetch, "[tid:%i]: Instruction is: %s\n",
tid, instruction->staticInst->disassemble(fetch_PC));
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh
index ba5260fe2..85db68576 100644
--- a/src/cpu/o3/iew_impl.hh
+++ b/src/cpu/o3/iew_impl.hh
@@ -481,18 +481,26 @@ DefaultIEW<Impl>::squashDueToBranch(DynInstPtr &inst, unsigned tid)
toCommit->branchMispredict[tid] = true;
#if ISA_HAS_DELAY_SLOT
- bool branch_taken = inst->readNextNPC() !=
- (inst->readNextPC() + sizeof(TheISA::MachInst));
+ bool branch_taken =
+ (inst->readNextNPC() != (inst->readPC() + 2 * sizeof(TheISA::MachInst)) &&
+ inst->readNextNPC() != (inst->readPC() + 3 * sizeof(TheISA::MachInst)));
+ DPRINTF(Sparc, "Branch taken = %s [sn:%i]\n",
+ branch_taken ? "true": "false", inst->seqNum);
toCommit->branchTaken[tid] = branch_taken;
- toCommit->condDelaySlotBranch[tid] = inst->isCondDelaySlot();
-
- if (inst->isCondDelaySlot() && branch_taken) {
+ bool squashDelaySlot =
+ (inst->readNextPC() != inst->readPC() + sizeof(TheISA::MachInst));
+ DPRINTF(Sparc, "Squash delay slot = %s [sn:%i]\n",
+ squashDelaySlot ? "true": "false", inst->seqNum);
+ toCommit->squashDelaySlot[tid] = squashDelaySlot;
+ //If we're squashing the delay slot, we need to pick back up at NextPC.
+ //Otherwise, NextPC isn't being squashed, so we should pick back up at
+ //NextNPC.
+ if (squashDelaySlot)
toCommit->nextPC[tid] = inst->readNextPC();
- } else {
+ else
toCommit->nextPC[tid] = inst->readNextNPC();
- }
#else
toCommit->branchTaken[tid] = inst->readNextPC() !=
(inst->readPC() + sizeof(TheISA::MachInst));
diff --git a/src/cpu/o3/isa_specific.hh b/src/cpu/o3/isa_specific.hh
index 4937589e3..72a8d4021 100755
--- a/src/cpu/o3/isa_specific.hh
+++ b/src/cpu/o3/isa_specific.hh
@@ -40,6 +40,11 @@
#include "cpu/o3/mips/impl.hh"
#include "cpu/o3/mips/params.hh"
#include "cpu/o3/mips/dyn_inst.hh"
+#elif THE_ISA == SPARC_ISA
+ #include "cpu/o3/sparc/cpu.hh"
+ #include "cpu/o3/sparc/impl.hh"
+ #include "cpu/o3/sparc/params.hh"
+ #include "cpu/o3/sparc/dyn_inst.hh"
#else
#error "ISA-specific header files O3CPU not defined ISA"
#endif
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh
index 3b84d3411..7ce3dc9cb 100644
--- a/src/cpu/o3/lsq_unit_impl.hh
+++ b/src/cpu/o3/lsq_unit_impl.hh
@@ -597,7 +597,11 @@ LSQUnit<Impl>::writebackStores()
assert(!inst->memData);
inst->memData = new uint8_t[64];
- memcpy(inst->memData, (uint8_t *)&storeQueue[storeWBIdx].data,
+
+ TheISA::IntReg convertedData =
+ TheISA::htog(storeQueue[storeWBIdx].data);
+
+ memcpy(inst->memData, (uint8_t *)&convertedData,
req->getSize());
PacketPtr data_pkt = new Packet(req, Packet::WriteReq, Packet::Broadcast);
diff --git a/src/cpu/o3/mips/cpu_impl.hh b/src/cpu/o3/mips/cpu_impl.hh
index 08e9ba483..e7dbd3aba 100644
--- a/src/cpu/o3/mips/cpu_impl.hh
+++ b/src/cpu/o3/mips/cpu_impl.hh
@@ -220,16 +220,6 @@ template <class Impl>
void
MipsO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid)
{
- // check for error condition.
- if (return_value.successful()) {
- // no error
- this->setArchIntReg(TheISA::SyscallSuccessReg, 0, tid);
- this->setArchIntReg(TheISA::ReturnValueReg, return_value.value(), tid);
- } else {
- // got an error, return details
- this->setArchIntReg(TheISA::SyscallSuccessReg,
- (TheISA::IntReg) -1, tid);
- this->setArchIntReg(TheISA::ReturnValueReg, -return_value.value(), tid);
- }
+ TheISA::setSyscallReturn(return_value, this->tcBase(tid));
}
#endif
diff --git a/src/cpu/o3/mips/dyn_inst.hh b/src/cpu/o3/mips/dyn_inst.hh
index 833371e00..009a08012 100755
--- a/src/cpu/o3/mips/dyn_inst.hh
+++ b/src/cpu/o3/mips/dyn_inst.hh
@@ -54,10 +54,6 @@ class MipsDynInst : public BaseDynInst<Impl>
/** Typedef for the CPU. */
typedef typename Impl::O3CPU O3CPU;
- /** Binary machine instruction type. */
- typedef TheISA::MachInst MachInst;
- /** Extended machine instruction type. */
- typedef TheISA::ExtMachInst ExtMachInst;
/** Logical register index type. */
typedef TheISA::RegIndex RegIndex;
/** Integer register index type. */
@@ -127,22 +123,6 @@ class MipsDynInst : public BaseDynInst<Impl>
/** Calls a syscall. */
void syscall(int64_t callnum);
- private:
- /** Physical register index of the destination registers of this
- * instruction.
- */
- PhysRegIndex _destRegIdx[MaxInstDestRegs];
-
- /** Physical register index of the source registers of this
- * instruction.
- */
- PhysRegIndex _srcRegIdx[MaxInstSrcRegs];
-
- /** Physical register index of the previous producers of the
- * architected destinations.
- */
- PhysRegIndex _prevDestRegIdx[MaxInstDestRegs];
-
public:
// The register accessor methods provide the index of the
@@ -158,28 +138,28 @@ class MipsDynInst : public BaseDynInst<Impl>
uint64_t readIntRegOperand(const StaticInst *si, int idx)
{
- return this->cpu->readIntReg(_srcRegIdx[idx]);
+ return this->cpu->readIntReg(this->_srcRegIdx[idx]);
}
FloatReg readFloatRegOperand(const StaticInst *si, int idx, int width)
{
- return this->cpu->readFloatReg(_srcRegIdx[idx], width);
+ return this->cpu->readFloatReg(this->_srcRegIdx[idx], width);
}
FloatReg readFloatRegOperand(const StaticInst *si, int idx)
{
- return this->cpu->readFloatReg(_srcRegIdx[idx]);
+ return this->cpu->readFloatReg(this->_srcRegIdx[idx]);
}
FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx,
int width)
{
- return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
+ return this->cpu->readFloatRegBits(this->_srcRegIdx[idx], width);
}
FloatRegBits readFloatRegOperandBits(const StaticInst *si, int idx)
{
- return this->cpu->readFloatRegBits(_srcRegIdx[idx]);
+ return this->cpu->readFloatRegBits(this->_srcRegIdx[idx]);
}
/** @todo: Make results into arrays so they can handle multiple dest
@@ -187,79 +167,37 @@ class MipsDynInst : public BaseDynInst<Impl>
*/
void setIntRegOperand(const StaticInst *si, int idx, uint64_t val)
{
- this->cpu->setIntReg(_destRegIdx[idx], val);
+ this->cpu->setIntReg(this->_destRegIdx[idx], val);
BaseDynInst<Impl>::setIntRegOperand(si, idx, val);
}
void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val,
int width)
{
- this->cpu->setFloatReg(_destRegIdx[idx], val, width);
+ this->cpu->setFloatReg(this->_destRegIdx[idx], val, width);
BaseDynInst<Impl>::setFloatRegOperand(si, idx, val, width);
}
void setFloatRegOperand(const StaticInst *si, int idx, FloatReg val)
{
- this->cpu->setFloatReg(_destRegIdx[idx], val);
+ this->cpu->setFloatReg(this->_destRegIdx[idx], val);
BaseDynInst<Impl>::setFloatRegOperand(si, idx, val);
}
void setFloatRegOperandBits(const StaticInst *si, int idx,
FloatRegBits val, int width)
{
- this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
+ this->cpu->setFloatRegBits(this->_destRegIdx[idx], val, width);
BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
void setFloatRegOperandBits(const StaticInst *si, int idx,
FloatRegBits val)
{
- this->cpu->setFloatRegBits(_destRegIdx[idx], val);
+ this->cpu->setFloatRegBits(this->_destRegIdx[idx], val);
BaseDynInst<Impl>::setFloatRegOperandBits(si, idx, val);
}
- /** Returns the physical register index of the i'th destination
- * register.
- */
- PhysRegIndex renamedDestRegIdx(int idx) const
- {
- return _destRegIdx[idx];
- }
-
- /** Returns the physical register index of the i'th source register. */
- PhysRegIndex renamedSrcRegIdx(int idx) const
- {
- return _srcRegIdx[idx];
- }
-
- /** Returns the physical register index of the previous physical register
- * that remapped to the same logical register index.
- */
- PhysRegIndex prevDestRegIdx(int idx) const
- {
- return _prevDestRegIdx[idx];
- }
-
- /** Renames a destination register to a physical register. Also records
- * the previous physical register that the logical register mapped to.
- */
- void renameDestReg(int idx,
- PhysRegIndex renamed_dest,
- PhysRegIndex previous_rename)
- {
- _destRegIdx[idx] = renamed_dest;
- _prevDestRegIdx[idx] = previous_rename;
- }
-
- /** Renames a source logical register to the physical register which
- * has/will produce that logical register's result.
- * @todo: add in whether or not the source register is ready.
- */
- void renameSrcReg(int idx, PhysRegIndex renamed_src)
- {
- _srcRegIdx[idx] = renamed_src;
- }
-
public:
/** Calculates EA part of a memory instruction. Currently unused,
* though it may be useful in the future if we want to split
diff --git a/src/cpu/o3/mips/dyn_inst_impl.hh b/src/cpu/o3/mips/dyn_inst_impl.hh
index 5bc01b9b3..fa8cf6cb4 100755
--- a/src/cpu/o3/mips/dyn_inst_impl.hh
+++ b/src/cpu/o3/mips/dyn_inst_impl.hh
@@ -53,11 +53,11 @@ MipsDynInst<Impl>::initVars()
// as the normal register entries. It will allow the IQ to work
// without any modifications.
for (int i = 0; i < this->staticInst->numDestRegs(); i++) {
- _destRegIdx[i] = this->staticInst->destRegIdx(i);
+ this->_destRegIdx[i] = this->staticInst->destRegIdx(i);
}
for (int i = 0; i < this->staticInst->numSrcRegs(); i++) {
- _srcRegIdx[i] = this->staticInst->srcRegIdx(i);
+ this->_srcRegIdx[i] = this->staticInst->srcRegIdx(i);
this->_readySrcRegIdx[i] = 0;
}
}
diff --git a/src/cpu/o3/rename.hh b/src/cpu/o3/rename.hh
index 177b9cb87..1ede6f355 100644
--- a/src/cpu/o3/rename.hh
+++ b/src/cpu/o3/rename.hh
@@ -411,6 +411,10 @@ class DefaultRename
/** Whether or not rename needs to block this cycle. */
bool blockThisCycle;
+ /** Whether or not rename needs to resume a serialize instruction
+ * after squashing. */
+ bool resumeSerialize;
+
/** The number of threads active in rename. */
unsigned numThreads;
diff --git a/src/cpu/o3/rename_impl.hh b/src/cpu/o3/rename_impl.hh
index 248d7deb6..0c211b183 100644
--- a/src/cpu/o3/rename_impl.hh
+++ b/src/cpu/o3/rename_impl.hh
@@ -31,6 +31,8 @@
#include <list>
+#include "arch/isa_traits.hh"
+#include "arch/regfile.hh"
#include "config/full_system.hh"
#include "cpu/o3/rename.hh"
@@ -41,6 +43,7 @@ DefaultRename<Impl>::DefaultRename(Params *params)
commitToRenameDelay(params->commitToRenameDelay),
renameWidth(params->renameWidth),
commitWidth(params->commitWidth),
+ resumeSerialize(false),
numThreads(params->numberOfThreads),
maxPhysicalRegs(params->numPhysIntRegs + params->numPhysFloatRegs)
{
@@ -332,12 +335,22 @@ DefaultRename<Impl>::squash(const InstSeqNum &squash_seq_num, unsigned tid)
// If it still needs to block, the blocking should happen the next
// cycle and there should be space to hold everything due to the squash.
if (renameStatus[tid] == Blocked ||
- renameStatus[tid] == Unblocking ||
- renameStatus[tid] == SerializeStall) {
-
+ renameStatus[tid] == Unblocking) {
toDecode->renameUnblock[tid] = 1;
+ resumeSerialize = false;
serializeInst[tid] = NULL;
+ } else if (renameStatus[tid] == SerializeStall) {
+ if (serializeInst[tid]->seqNum <= squash_seq_num) {
+ DPRINTF(Rename, "Rename will resume serializing after squash\n");
+ resumeSerialize = true;
+ assert(serializeInst[tid]);
+ } else {
+ resumeSerialize = false;
+ toDecode->renameUnblock[tid] = 1;
+
+ serializeInst[tid] = NULL;
+ }
}
// Set the status to Squashing.
@@ -475,6 +488,14 @@ DefaultRename<Impl>::rename(bool &status_change, unsigned tid)
++renameSquashCycles;
} else if (renameStatus[tid] == SerializeStall) {
++renameSerializeStallCycles;
+ // If we are currently in SerializeStall and resumeSerialize
+ // was set, then that means that we are resuming serializing
+ // this cycle. Tell the previous stages to block.
+ if (resumeSerialize) {
+ resumeSerialize = false;
+ block(tid);
+ toDecode->renameUnblock[tid] = false;
+ }
}
if (renameStatus[tid] == Running ||
@@ -960,13 +981,19 @@ DefaultRename<Impl>::renameSrcRegs(DynInstPtr &inst,unsigned tid)
// Will need to mark dependencies though.
for (int src_idx = 0; src_idx < num_src_regs; src_idx++) {
RegIndex src_reg = inst->srcRegIdx(src_idx);
+ RegIndex flat_src_reg = src_reg;
+ if (src_reg < TheISA::FP_Base_DepTag) {
+ flat_src_reg = TheISA::flattenIntIndex(inst->tcBase(), src_reg);
+ DPRINTF(Rename, "Flattening index %d to %d.\n", (int)src_reg, (int)flat_src_reg);
+ }
+ inst->flattenSrcReg(src_idx, flat_src_reg);
// Look up the source registers to get the phys. register they've
// been renamed to, and set the sources to those registers.
- PhysRegIndex renamed_reg = renameMap[tid]->lookup(src_reg);
+ PhysRegIndex renamed_reg = renameMap[tid]->lookup(flat_src_reg);
DPRINTF(Rename, "[tid:%u]: Looking up arch reg %i, got "
- "physical reg %i.\n", tid, (int)src_reg,
+ "physical reg %i.\n", tid, (int)flat_src_reg,
(int)renamed_reg);
inst->renameSrcReg(src_idx, renamed_reg);
@@ -993,20 +1020,27 @@ DefaultRename<Impl>::renameDestRegs(DynInstPtr &inst,unsigned tid)
// Rename the destination registers.
for (int dest_idx = 0; dest_idx < num_dest_regs; dest_idx++) {
RegIndex dest_reg = inst->destRegIdx(dest_idx);
+ RegIndex flat_dest_reg = dest_reg;
+ if (dest_reg < TheISA::FP_Base_DepTag) {
+ flat_dest_reg = TheISA::flattenIntIndex(inst->tcBase(), dest_reg);
+ DPRINTF(Rename, "Flattening index %d to %d.\n", (int)dest_reg, (int)flat_dest_reg);
+ }
+
+ inst->flattenDestReg(dest_idx, flat_dest_reg);
// Get the physical register that the destination will be
// renamed to.
- rename_result = renameMap[tid]->rename(dest_reg);
+ rename_result = renameMap[tid]->rename(flat_dest_reg);
//Mark Scoreboard entry as not ready
scoreboard->unsetReg(rename_result.first);
DPRINTF(Rename, "[tid:%u]: Renaming arch reg %i to physical "
- "reg %i.\n", tid, (int)dest_reg,
+ "reg %i.\n", tid, (int)flat_dest_reg,
(int)rename_result.first);
// Record the rename information so that a history can be kept.
- RenameHistory hb_entry(inst->seqNum, dest_reg,
+ RenameHistory hb_entry(inst->seqNum, flat_dest_reg,
rename_result.first,
rename_result.second);
@@ -1230,12 +1264,19 @@ DefaultRename<Impl>::checkSignalsAndUpdate(unsigned tid)
if (renameStatus[tid] == Squashing) {
// Switch status to running if rename isn't being told to block or
// squash this cycle.
- DPRINTF(Rename, "[tid:%u]: Done squashing, switching to running.\n",
- tid);
+ if (!resumeSerialize) {
+ DPRINTF(Rename, "[tid:%u]: Done squashing, switching to running.\n",
+ tid);
- renameStatus[tid] = Running;
+ renameStatus[tid] = Running;
+ return false;
+ } else {
+ DPRINTF(Rename, "[tid:%u]: Done squashing, switching to serialize.\n",
+ tid);
- return false;
+ renameStatus[tid] = SerializeStall;
+ return true;
+ }
}
if (renameStatus[tid] == SerializeStall) {
diff --git a/src/cpu/o3/sparc/cpu.cc b/src/cpu/o3/sparc/cpu.cc
new file mode 100644
index 000000000..1546a2b88
--- /dev/null
+++ b/src/cpu/o3/sparc/cpu.cc
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "cpu/o3/sparc/impl.hh"
+#include "cpu/o3/sparc/cpu_impl.hh"
+#include "cpu/o3/sparc/dyn_inst.hh"
+
+// Force instantiation of SparcO3CPU for all the implementations that are
+// needed. Consider merging this and sparc_dyn_inst.cc, and maybe all
+// classes that depend on a certain impl, into one file (sparc_impl.cc?).
+template class SparcO3CPU<SparcSimpleImpl>;
diff --git a/src/cpu/o3/sparc/cpu.hh b/src/cpu/o3/sparc/cpu.hh
new file mode 100644
index 000000000..08ebd2710
--- /dev/null
+++ b/src/cpu/o3/sparc/cpu.hh
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Kevin Lim
+ */
+
+#ifndef __CPU_O3_SPARC_CPU_HH__
+#define __CPU_O3_SPARC_CPU_HH__
+
+#include "arch/sparc/regfile.hh"
+#include "arch/sparc/types.hh"
+#include "cpu/thread_context.hh"
+#include "cpu/o3/cpu.hh"
+#include "sim/byteswap.hh"
+
+class EndQuiesceEvent;
+namespace Kernel {
+ class Statistics;
+};
+
+class TranslatingPort;
+
+/**
+ * SparcO3CPU class. Derives from the FullO3CPU class, and
+ * implements all ISA and implementation specific functions of the
+ * CPU. This is the CPU class that is used for the SimObjects, and is
+ * what is given to the DynInsts. Most of its state exists in the
+ * FullO3CPU; the state is has is mainly for ISA specific
+ * functionality.
+ */
+template <class Impl>
+class SparcO3CPU : public FullO3CPU<Impl>
+{
+ public:
+ typedef O3ThreadState<Impl> ImplState;
+ typedef O3ThreadState<Impl> Thread;
+ typedef typename Impl::Params Params;
+
+ /** Constructs an AlphaO3CPU with the given parameters. */
+ SparcO3CPU(Params *params);
+
+ /** Registers statistics. */
+ void regStats();
+
+#if FULL_SYSTEM
+ /** Translates instruction requestion. */
+ Fault translateInstReq(RequestPtr &req, Thread *thread)
+ {
+ return this->itb->translate(req, thread->getTC());
+ }
+
+ /** Translates data read request. */
+ Fault translateDataReadReq(RequestPtr &req, Thread *thread)
+ {
+ return this->dtb->translate(req, thread->getTC(), false);
+ }
+
+ /** Translates data write request. */
+ Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
+ {
+ return this->dtb->translate(req, thread->getTC(), true);
+ }
+
+#else
+ /** Translates instruction requestion in syscall emulation mode. */
+ Fault translateInstReq(RequestPtr &req, Thread *thread)
+ {
+ return thread->getProcessPtr()->pTable->translate(req);
+ }
+
+ /** Translates data read request in syscall emulation mode. */
+ Fault translateDataReadReq(RequestPtr &req, Thread *thread)
+ {
+ return thread->getProcessPtr()->pTable->translate(req);
+ }
+
+ /** Translates data write request in syscall emulation mode. */
+ Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
+ {
+ return thread->getProcessPtr()->pTable->translate(req);
+ }
+
+#endif
+ /** Reads a miscellaneous register. */
+ TheISA::MiscReg readMiscReg(int misc_reg, unsigned tid);
+
+ /** Reads a misc. register, including any side effects the read
+ * might have as defined by the architecture.
+ */
+ TheISA::MiscReg readMiscRegWithEffect(int misc_reg, unsigned tid);
+
+ /** Sets a miscellaneous register. */
+ void setMiscReg(int misc_reg, const TheISA::MiscReg &val, unsigned tid);
+
+ /** Sets a misc. register, including any side effects the write
+ * might have as defined by the architecture.
+ */
+ void setMiscRegWithEffect(int misc_reg, const TheISA::MiscReg &val,
+ unsigned tid);
+
+ /** Initiates a squash of all in-flight instructions for a given
+ * thread. The source of the squash is an external update of
+ * state through the TC.
+ */
+ void squashFromTC(unsigned tid);
+
+#if FULL_SYSTEM
+ /** Posts an interrupt. */
+ void post_interrupt(int int_num, int index);
+ /** HW return from error interrupt. */
+ Fault hwrei(unsigned tid);
+
+ bool simPalCheck(int palFunc, unsigned tid);
+
+ /** Returns the Fault for any valid interrupt. */
+ Fault getInterrupts();
+
+ /** Processes any an interrupt fault. */
+ void processInterrupts(Fault interrupt);
+
+ /** Halts the CPU. */
+ void halt() { panic("Halt not implemented!\n"); }
+#endif
+
+ /** Traps to handle given fault. */
+ void trap(Fault fault, unsigned tid);
+
+#if !FULL_SYSTEM
+ /** Executes a syscall.
+ * @todo: Determine if this needs to be virtual.
+ */
+ void syscall(int64_t callnum, int tid);
+ /** Gets a syscall argument. */
+ TheISA::IntReg getSyscallArg(int i, int tid);
+
+ /** Used to shift args for indirect syscall. */
+ void setSyscallArg(int i, TheISA::IntReg val, int tid);
+
+ /** Sets the return value of a syscall. */
+ void setSyscallReturn(SyscallReturn return_value, int tid);
+#endif
+
+ /** CPU read function, forwards read to LSQ. */
+ template <class T>
+ Fault read(RequestPtr &req, T &data, int load_idx)
+ {
+ return this->iew.ldstQueue.read(req, data, load_idx);
+ }
+
+ /** CPU write function, forwards write to LSQ. */
+ template <class T>
+ Fault write(RequestPtr &req, T &data, int store_idx)
+ {
+ return this->iew.ldstQueue.write(req, data, store_idx);
+ }
+
+ Addr lockAddr;
+
+ /** Temporary fix for the lock flag, works in the UP case. */
+ bool lockFlag;
+};
+
+#endif // __CPU_O3_SPARC_CPU_HH__
diff --git a/src/cpu/o3/sparc/cpu_builder.cc b/src/cpu/o3/sparc/cpu_builder.cc
new file mode 100644
index 000000000..3cac89bad
--- /dev/null
+++ b/src/cpu/o3/sparc/cpu_builder.cc
@@ -0,0 +1,433 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include <string>
+
+#include "cpu/base.hh"
+#include "cpu/o3/sparc/cpu.hh"
+#include "cpu/o3/sparc/impl.hh"
+#include "cpu/o3/sparc/params.hh"
+#include "cpu/o3/fu_pool.hh"
+#include "sim/builder.hh"
+
+class DerivO3CPU : public SparcO3CPU<SparcSimpleImpl>
+{
+ public:
+ DerivO3CPU(SparcSimpleParams *p)
+ : SparcO3CPU<SparcSimpleImpl>(p)
+ { }
+};
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+ Param<int> clock;
+ Param<int> phase;
+ Param<int> numThreads;
+ Param<int> activity;
+
+#if FULL_SYSTEM
+ SimObjectParam<System *> system;
+ Param<int> cpu_id;
+ SimObjectParam<SparcISA::ITB *> itb;
+ SimObjectParam<SparcISA::DTB *> dtb;
+ Param<Tick> profile;
+
+ Param<bool> do_quiesce;
+ Param<bool> do_checkpoint_insts;
+ Param<bool> do_statistics_insts;
+#else
+ SimObjectVectorParam<Process *> workload;
+#endif // FULL_SYSTEM
+
+ SimObjectParam<BaseCPU *> checker;
+
+ Param<Counter> max_insts_any_thread;
+ Param<Counter> max_insts_all_threads;
+ Param<Counter> max_loads_any_thread;
+ Param<Counter> max_loads_all_threads;
+ Param<Tick> progress_interval;
+
+ Param<unsigned> cachePorts;
+
+ Param<unsigned> decodeToFetchDelay;
+ Param<unsigned> renameToFetchDelay;
+ Param<unsigned> iewToFetchDelay;
+ Param<unsigned> commitToFetchDelay;
+ Param<unsigned> fetchWidth;
+
+ Param<unsigned> renameToDecodeDelay;
+ Param<unsigned> iewToDecodeDelay;
+ Param<unsigned> commitToDecodeDelay;
+ Param<unsigned> fetchToDecodeDelay;
+ Param<unsigned> decodeWidth;
+
+ Param<unsigned> iewToRenameDelay;
+ Param<unsigned> commitToRenameDelay;
+ Param<unsigned> decodeToRenameDelay;
+ Param<unsigned> renameWidth;
+
+ Param<unsigned> commitToIEWDelay;
+ Param<unsigned> renameToIEWDelay;
+ Param<unsigned> issueToExecuteDelay;
+ Param<unsigned> dispatchWidth;
+ Param<unsigned> issueWidth;
+ Param<unsigned> wbWidth;
+ Param<unsigned> wbDepth;
+ SimObjectParam<FUPool *> fuPool;
+
+ Param<unsigned> iewToCommitDelay;
+ Param<unsigned> renameToROBDelay;
+ Param<unsigned> commitWidth;
+ Param<unsigned> squashWidth;
+ Param<Tick> trapLatency;
+
+ Param<unsigned> backComSize;
+ Param<unsigned> forwardComSize;
+
+ Param<std::string> predType;
+ Param<unsigned> localPredictorSize;
+ Param<unsigned> localCtrBits;
+ Param<unsigned> localHistoryTableSize;
+ Param<unsigned> localHistoryBits;
+ Param<unsigned> globalPredictorSize;
+ Param<unsigned> globalCtrBits;
+ Param<unsigned> globalHistoryBits;
+ Param<unsigned> choicePredictorSize;
+ Param<unsigned> choiceCtrBits;
+
+ Param<unsigned> BTBEntries;
+ Param<unsigned> BTBTagSize;
+
+ Param<unsigned> RASSize;
+
+ Param<unsigned> LQEntries;
+ Param<unsigned> SQEntries;
+ Param<unsigned> LFSTSize;
+ Param<unsigned> SSITSize;
+
+ Param<unsigned> numPhysIntRegs;
+ Param<unsigned> numPhysFloatRegs;
+ Param<unsigned> numIQEntries;
+ Param<unsigned> numROBEntries;
+
+ Param<unsigned> smtNumFetchingThreads;
+ Param<std::string> smtFetchPolicy;
+ Param<std::string> smtLSQPolicy;
+ Param<unsigned> smtLSQThreshold;
+ Param<std::string> smtIQPolicy;
+ Param<unsigned> smtIQThreshold;
+ Param<std::string> smtROBPolicy;
+ Param<unsigned> smtROBThreshold;
+ Param<std::string> smtCommitPolicy;
+
+ Param<unsigned> instShiftAmt;
+
+ Param<bool> defer_registration;
+
+ Param<bool> function_trace;
+ Param<Tick> function_trace_start;
+
+END_DECLARE_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+ INIT_PARAM(clock, "clock speed"),
+ INIT_PARAM_DFLT(phase, "clock phase", 0),
+ INIT_PARAM(numThreads, "number of HW thread contexts"),
+ INIT_PARAM_DFLT(activity, "Initial activity count", 0),
+
+#if FULL_SYSTEM
+ INIT_PARAM(system, "System object"),
+ INIT_PARAM(cpu_id, "processor ID"),
+ INIT_PARAM(itb, "Instruction translation buffer"),
+ INIT_PARAM(dtb, "Data translation buffer"),
+ INIT_PARAM(profile, ""),
+
+ INIT_PARAM(do_quiesce, ""),
+ INIT_PARAM(do_checkpoint_insts, ""),
+ INIT_PARAM(do_statistics_insts, ""),
+#else
+ INIT_PARAM(workload, "Processes to run"),
+#endif // FULL_SYSTEM
+
+ INIT_PARAM_DFLT(checker, "Checker CPU", NULL),
+
+ INIT_PARAM_DFLT(max_insts_any_thread,
+ "Terminate when any thread reaches this inst count",
+ 0),
+ INIT_PARAM_DFLT(max_insts_all_threads,
+ "Terminate when all threads have reached"
+ "this inst count",
+ 0),
+ INIT_PARAM_DFLT(max_loads_any_thread,
+ "Terminate when any thread reaches this load count",
+ 0),
+ INIT_PARAM_DFLT(max_loads_all_threads,
+ "Terminate when all threads have reached this load"
+ "count",
+ 0),
+ INIT_PARAM_DFLT(progress_interval, "Progress interval", 0),
+
+ INIT_PARAM_DFLT(cachePorts, "Cache Ports", 200),
+
+ INIT_PARAM(decodeToFetchDelay, "Decode to fetch delay"),
+ INIT_PARAM(renameToFetchDelay, "Rename to fetch delay"),
+ INIT_PARAM(iewToFetchDelay, "Issue/Execute/Writeback to fetch"
+ "delay"),
+ INIT_PARAM(commitToFetchDelay, "Commit to fetch delay"),
+ INIT_PARAM(fetchWidth, "Fetch width"),
+ INIT_PARAM(renameToDecodeDelay, "Rename to decode delay"),
+ INIT_PARAM(iewToDecodeDelay, "Issue/Execute/Writeback to decode"
+ "delay"),
+ INIT_PARAM(commitToDecodeDelay, "Commit to decode delay"),
+ INIT_PARAM(fetchToDecodeDelay, "Fetch to decode delay"),
+ INIT_PARAM(decodeWidth, "Decode width"),
+
+ INIT_PARAM(iewToRenameDelay, "Issue/Execute/Writeback to rename"
+ "delay"),
+ INIT_PARAM(commitToRenameDelay, "Commit to rename delay"),
+ INIT_PARAM(decodeToRenameDelay, "Decode to rename delay"),
+ INIT_PARAM(renameWidth, "Rename width"),
+
+ INIT_PARAM(commitToIEWDelay, "Commit to "
+ "Issue/Execute/Writeback delay"),
+ INIT_PARAM(renameToIEWDelay, "Rename to "
+ "Issue/Execute/Writeback delay"),
+ INIT_PARAM(issueToExecuteDelay, "Issue to execute delay (internal"
+ "to the IEW stage)"),
+ INIT_PARAM(dispatchWidth, "Dispatch width"),
+ INIT_PARAM(issueWidth, "Issue width"),
+ INIT_PARAM(wbWidth, "Writeback width"),
+ INIT_PARAM(wbDepth, "Writeback depth (number of cycles it can buffer)"),
+ INIT_PARAM_DFLT(fuPool, "Functional unit pool", NULL),
+
+ INIT_PARAM(iewToCommitDelay, "Issue/Execute/Writeback to commit "
+ "delay"),
+ INIT_PARAM(renameToROBDelay, "Rename to reorder buffer delay"),
+ INIT_PARAM(commitWidth, "Commit width"),
+ INIT_PARAM(squashWidth, "Squash width"),
+ INIT_PARAM_DFLT(trapLatency, "Number of cycles before the trap is handled", 6),
+
+ INIT_PARAM(backComSize, "Time buffer size for backwards communication"),
+ INIT_PARAM(forwardComSize, "Time buffer size for forward communication"),
+
+ INIT_PARAM(predType, "Type of branch predictor ('local', 'tournament')"),
+ INIT_PARAM(localPredictorSize, "Size of local predictor"),
+ INIT_PARAM(localCtrBits, "Bits per counter"),
+ INIT_PARAM(localHistoryTableSize, "Size of local history table"),
+ INIT_PARAM(localHistoryBits, "Bits for the local history"),
+ INIT_PARAM(globalPredictorSize, "Size of global predictor"),
+ INIT_PARAM(globalCtrBits, "Bits per counter"),
+ INIT_PARAM(globalHistoryBits, "Bits of history"),
+ INIT_PARAM(choicePredictorSize, "Size of choice predictor"),
+ INIT_PARAM(choiceCtrBits, "Bits of choice counters"),
+
+ INIT_PARAM(BTBEntries, "Number of BTB entries"),
+ INIT_PARAM(BTBTagSize, "Size of the BTB tags, in bits"),
+
+ INIT_PARAM(RASSize, "RAS size"),
+
+ INIT_PARAM(LQEntries, "Number of load queue entries"),
+ INIT_PARAM(SQEntries, "Number of store queue entries"),
+ INIT_PARAM(LFSTSize, "Last fetched store table size"),
+ INIT_PARAM(SSITSize, "Store set ID table size"),
+
+ INIT_PARAM(numPhysIntRegs, "Number of physical integer registers"),
+ INIT_PARAM(numPhysFloatRegs, "Number of physical floating point "
+ "registers"),
+ INIT_PARAM(numIQEntries, "Number of instruction queue entries"),
+ INIT_PARAM(numROBEntries, "Number of reorder buffer entries"),
+
+ INIT_PARAM_DFLT(smtNumFetchingThreads, "SMT Number of Fetching Threads", 1),
+ INIT_PARAM_DFLT(smtFetchPolicy, "SMT Fetch Policy", "SingleThread"),
+ INIT_PARAM_DFLT(smtLSQPolicy, "SMT LSQ Sharing Policy", "Partitioned"),
+ INIT_PARAM_DFLT(smtLSQThreshold,"SMT LSQ Threshold", 100),
+ INIT_PARAM_DFLT(smtIQPolicy, "SMT IQ Policy", "Partitioned"),
+ INIT_PARAM_DFLT(smtIQThreshold, "SMT IQ Threshold", 100),
+ INIT_PARAM_DFLT(smtROBPolicy, "SMT ROB Sharing Policy", "Partitioned"),
+ INIT_PARAM_DFLT(smtROBThreshold,"SMT ROB Threshold", 100),
+ INIT_PARAM_DFLT(smtCommitPolicy,"SMT Commit Fetch Policy", "RoundRobin"),
+
+ INIT_PARAM(instShiftAmt, "Number of bits to shift instructions by"),
+ INIT_PARAM(defer_registration, "defer system registration (for sampling)"),
+
+ INIT_PARAM(function_trace, "Enable function trace"),
+ INIT_PARAM(function_trace_start, "Cycle to start function trace")
+
+END_INIT_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+CREATE_SIM_OBJECT(DerivO3CPU)
+{
+ DerivO3CPU *cpu;
+
+#if FULL_SYSTEM
+ // Full-system only supports a single thread for the moment.
+ int actual_num_threads = 1;
+#else
+ // In non-full-system mode, we infer the number of threads from
+ // the workload if it's not explicitly specified.
+ int actual_num_threads =
+ (numThreads.isValid() && numThreads >= workload.size()) ?
+ numThreads : workload.size();
+
+ if (workload.size() == 0) {
+ fatal("Must specify at least one workload!");
+ }
+#endif
+
+ SparcSimpleParams *params = new SparcSimpleParams;
+
+ params->clock = clock;
+
+ params->name = getInstanceName();
+ params->numberOfThreads = actual_num_threads;
+ params->activity = activity;
+
+#if FULL_SYSTEM
+ params->system = system;
+ params->cpu_id = cpu_id;
+ params->itb = itb;
+ params->dtb = dtb;
+ params->profile = profile;
+
+ params->do_quiesce = do_quiesce;
+ params->do_checkpoint_insts = do_checkpoint_insts;
+ params->do_statistics_insts = do_statistics_insts;
+#else
+ params->workload = workload;
+#endif // FULL_SYSTEM
+
+ params->checker = checker;
+
+ params->max_insts_any_thread = max_insts_any_thread;
+ params->max_insts_all_threads = max_insts_all_threads;
+ params->max_loads_any_thread = max_loads_any_thread;
+ params->max_loads_all_threads = max_loads_all_threads;
+ params->progress_interval = progress_interval;
+
+ //
+ // Caches
+ //
+ params->cachePorts = cachePorts;
+
+ params->decodeToFetchDelay = decodeToFetchDelay;
+ params->renameToFetchDelay = renameToFetchDelay;
+ params->iewToFetchDelay = iewToFetchDelay;
+ params->commitToFetchDelay = commitToFetchDelay;
+ params->fetchWidth = fetchWidth;
+
+ params->renameToDecodeDelay = renameToDecodeDelay;
+ params->iewToDecodeDelay = iewToDecodeDelay;
+ params->commitToDecodeDelay = commitToDecodeDelay;
+ params->fetchToDecodeDelay = fetchToDecodeDelay;
+ params->decodeWidth = decodeWidth;
+
+ params->iewToRenameDelay = iewToRenameDelay;
+ params->commitToRenameDelay = commitToRenameDelay;
+ params->decodeToRenameDelay = decodeToRenameDelay;
+ params->renameWidth = renameWidth;
+
+ params->commitToIEWDelay = commitToIEWDelay;
+ params->renameToIEWDelay = renameToIEWDelay;
+ params->issueToExecuteDelay = issueToExecuteDelay;
+ params->dispatchWidth = dispatchWidth;
+ params->issueWidth = issueWidth;
+ params->wbWidth = wbWidth;
+ params->wbDepth = wbDepth;
+ params->fuPool = fuPool;
+
+ params->iewToCommitDelay = iewToCommitDelay;
+ params->renameToROBDelay = renameToROBDelay;
+ params->commitWidth = commitWidth;
+ params->squashWidth = squashWidth;
+ params->trapLatency = trapLatency;
+
+ params->backComSize = backComSize;
+ params->forwardComSize = forwardComSize;
+
+ params->predType = predType;
+ params->localPredictorSize = localPredictorSize;
+ params->localCtrBits = localCtrBits;
+ params->localHistoryTableSize = localHistoryTableSize;
+ params->localHistoryBits = localHistoryBits;
+ params->globalPredictorSize = globalPredictorSize;
+ params->globalCtrBits = globalCtrBits;
+ params->globalHistoryBits = globalHistoryBits;
+ params->choicePredictorSize = choicePredictorSize;
+ params->choiceCtrBits = choiceCtrBits;
+
+ params->BTBEntries = BTBEntries;
+ params->BTBTagSize = BTBTagSize;
+
+ params->RASSize = RASSize;
+
+ params->LQEntries = LQEntries;
+ params->SQEntries = SQEntries;
+
+ params->SSITSize = SSITSize;
+ params->LFSTSize = LFSTSize;
+
+ params->numPhysIntRegs = numPhysIntRegs;
+ params->numPhysFloatRegs = numPhysFloatRegs;
+ params->numIQEntries = numIQEntries;
+ params->numROBEntries = numROBEntries;
+
+ params->smtNumFetchingThreads = smtNumFetchingThreads;
+
+ // Default smtFetchPolicy to "RoundRobin", if necessary.
+ std::string round_robin_policy = "RoundRobin";
+ std::string single_thread = "SingleThread";
+
+ if (actual_num_threads > 1 && single_thread.compare(smtFetchPolicy) == 0)
+ params->smtFetchPolicy = round_robin_policy;
+ else
+ params->smtFetchPolicy = smtFetchPolicy;
+
+ params->smtIQPolicy = smtIQPolicy;
+ params->smtLSQPolicy = smtLSQPolicy;
+ params->smtLSQThreshold = smtLSQThreshold;
+ params->smtROBPolicy = smtROBPolicy;
+ params->smtROBThreshold = smtROBThreshold;
+ params->smtCommitPolicy = smtCommitPolicy;
+
+ params->instShiftAmt = 2;
+
+ params->deferRegistration = defer_registration;
+
+ params->functionTrace = function_trace;
+ params->functionTraceStart = function_trace_start;
+
+ cpu = new DerivO3CPU(params);
+
+ return cpu;
+}
+
+REGISTER_SIM_OBJECT("DerivO3CPU", DerivO3CPU)
+
diff --git a/src/cpu/o3/sparc/cpu_impl.hh b/src/cpu/o3/sparc/cpu_impl.hh
new file mode 100644
index 000000000..4a194cbda
--- /dev/null
+++ b/src/cpu/o3/sparc/cpu_impl.hh
@@ -0,0 +1,304 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "config/use_checker.hh"
+
+#include "arch/sparc/faults.hh"
+#include "arch/sparc/isa_traits.hh"
+#include "arch/sparc/miscregfile.hh"
+#include "base/cprintf.hh"
+#include "base/statistics.hh"
+#include "base/timebuf.hh"
+#include "cpu/checker/thread_context.hh"
+#include "sim/sim_events.hh"
+#include "sim/stats.hh"
+
+#include "cpu/o3/sparc/cpu.hh"
+#include "cpu/o3/sparc/params.hh"
+#include "cpu/o3/sparc/thread_context.hh"
+#include "cpu/o3/comm.hh"
+#include "cpu/o3/thread_state.hh"
+
+#if FULL_SYSTEM
+#include "arch/sparc/isa_traits.hh"
+#include "arch/sparc/kernel_stats.hh"
+#include "cpu/quiesce_event.hh"
+#include "sim/sim_exit.hh"
+#include "sim/system.hh"
+#endif
+
+template <class Impl>
+SparcO3CPU<Impl>::SparcO3CPU(Params *params) : FullO3CPU<Impl>(params)
+{
+ DPRINTF(O3CPU, "Creating SparcO3CPU object.\n");
+
+ // Setup any thread state.
+ this->thread.resize(this->numThreads);
+
+ for (int i = 0; i < this->numThreads; ++i) {
+#if FULL_SYSTEM
+ // SMT is not supported in FS mode yet.
+ assert(this->numThreads == 1);
+ this->thread[i] = new Thread(this, 0);
+ this->thread[i]->setStatus(ThreadContext::Suspended);
+#else
+ if (i < params->workload.size()) {
+ DPRINTF(O3CPU, "Workload[%i] process is %#x",
+ i, this->thread[i]);
+ this->thread[i] = new Thread(this, i, params->workload[i], i);
+
+ this->thread[i]->setStatus(ThreadContext::Suspended);
+
+ //usedTids[i] = true;
+ //threadMap[i] = i;
+ } else {
+ //Allocate Empty thread so M5 can use later
+ //when scheduling threads to CPU
+ Process* dummy_proc = NULL;
+
+ this->thread[i] = new Thread(this, i, dummy_proc, i);
+ //usedTids[i] = false;
+ }
+#endif // !FULL_SYSTEM
+
+ ThreadContext *tc;
+
+ // Setup the TC that will serve as the interface to the threads/CPU.
+ SparcTC<Impl> *sparc_tc = new SparcTC<Impl>;
+
+ tc = sparc_tc;
+
+ // If we're using a checker, then the TC should be the
+ // CheckerThreadContext.
+#if USE_CHECKER
+ if (params->checker) {
+ tc = new CheckerThreadContext<SparcTC<Impl> >(
+ sparc_tc, this->checker);
+ }
+#endif
+
+ sparc_tc->cpu = this;
+ sparc_tc->thread = this->thread[i];
+
+#if FULL_SYSTEM
+ // Setup quiesce event.
+ this->thread[i]->quiesceEvent = new EndQuiesceEvent(tc);
+#endif
+ // Give the thread the TC.
+ this->thread[i]->tc = tc;
+
+ // Add the TC to the CPU's list of TC's.
+ this->threadContexts.push_back(tc);
+ }
+
+ for (int i=0; i < this->numThreads; i++) {
+ this->thread[i]->setFuncExeInst(0);
+ }
+
+ // Sets CPU pointers. These must be set at this level because the CPU
+ // pointers are defined to be the highest level of CPU class.
+ this->fetch.setCPU(this);
+ this->decode.setCPU(this);
+ this->rename.setCPU(this);
+ this->iew.setCPU(this);
+ this->commit.setCPU(this);
+
+ this->rob.setCPU(this);
+ this->regFile.setCPU(this);
+
+ lockAddr = 0;
+ lockFlag = false;
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::regStats()
+{
+ // Register stats for everything that has stats.
+ this->fullCPURegStats();
+ this->fetch.regStats();
+ this->decode.regStats();
+ this->rename.regStats();
+ this->iew.regStats();
+ this->commit.regStats();
+}
+
+
+template <class Impl>
+TheISA::MiscReg
+SparcO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid)
+{
+ return this->regFile.readMiscReg(misc_reg, tid);
+}
+
+template <class Impl>
+TheISA::MiscReg
+SparcO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, unsigned tid)
+{
+ return this->regFile.readMiscRegWithEffect(misc_reg, tid);
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::setMiscReg(int misc_reg,
+ const SparcISA::MiscReg &val, unsigned tid)
+{
+ this->regFile.setMiscReg(misc_reg, val, tid);
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::setMiscRegWithEffect(int misc_reg,
+ const SparcISA::MiscReg &val, unsigned tid)
+{
+ this->regFile.setMiscRegWithEffect(misc_reg, val, tid);
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::squashFromTC(unsigned tid)
+{
+ this->thread[tid]->inSyscall = true;
+ this->commit.generateTCEvent(tid);
+}
+
+#if FULL_SYSTEM
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::post_interrupt(int int_num, int index)
+{
+ BaseCPU::post_interrupt(int_num, index);
+
+ if (this->thread[0]->status() == ThreadContext::Suspended) {
+ DPRINTF(IPI,"Suspended Processor awoke\n");
+ this->threadContexts[0]->activate();
+ }
+}
+
+template <class Impl>
+Fault
+SparcO3CPU<Impl>::hwrei(unsigned tid)
+{
+ panic("This doesn't make sense for SPARC\n");
+ return NoFault;
+}
+
+template <class Impl>
+bool
+SparcO3CPU<Impl>::simPalCheck(int palFunc, unsigned tid)
+{
+ panic("This doesn't make sense for SPARC\n");
+ return true;
+}
+
+template <class Impl>
+Fault
+SparcO3CPU<Impl>::getInterrupts()
+{
+ // Check if there are any outstanding interrupts
+ return this->interrupts.getInterrupt(this->threadContexts[0]);
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::processInterrupts(Fault interrupt)
+{
+ // Check for interrupts here. For now can copy the code that
+ // exists within isa_fullsys_traits.hh. Also assume that thread 0
+ // is the one that handles the interrupts.
+ // @todo: Possibly consolidate the interrupt checking code.
+ // @todo: Allow other threads to handle interrupts.
+
+ assert(interrupt != NoFault);
+ this->interrupts.updateIntrInfo(this->threadContexts[0]);
+
+ DPRINTF(O3CPU, "Interrupt %s being handled\n", interrupt->name());
+ this->checkInterrupts = false;
+ this->trap(interrupt, 0);
+}
+
+#endif // FULL_SYSTEM
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::trap(Fault fault, unsigned tid)
+{
+ // Pass the thread's TC into the invoke method.
+ fault->invoke(this->threadContexts[tid]);
+}
+
+#if !FULL_SYSTEM
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::syscall(int64_t callnum, int tid)
+{
+ DPRINTF(O3CPU, "[tid:%i] Executing syscall().\n\n", tid);
+
+ DPRINTF(Activity,"Activity: syscall() called.\n");
+
+ // Temporarily increase this by one to account for the syscall
+ // instruction.
+ ++(this->thread[tid]->funcExeInst);
+
+ // Execute the actual syscall.
+ this->thread[tid]->syscall(callnum);
+
+ // Decrease funcExeInst by one as the normal commit will handle
+ // incrementing it.
+ --(this->thread[tid]->funcExeInst);
+}
+
+template <class Impl>
+TheISA::IntReg
+SparcO3CPU<Impl>::getSyscallArg(int i, int tid)
+{
+ TheISA::IntReg idx = TheISA::flattenIntIndex(this->tcBase(tid),
+ SparcISA::ArgumentReg0 + i);
+ return this->readArchIntReg(idx, tid);
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::setSyscallArg(int i, TheISA::IntReg val, int tid)
+{
+ TheISA::IntReg idx = TheISA::flattenIntIndex(this->tcBase(tid),
+ SparcISA::ArgumentReg0 + i);
+ this->setArchIntReg(idx, val, tid);
+}
+
+template <class Impl>
+void
+SparcO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid)
+{
+ TheISA::setSyscallReturn(return_value, this->tcBase(tid));
+}
+#endif
diff --git a/src/cpu/o3/sparc/dyn_inst.cc b/src/cpu/o3/sparc/dyn_inst.cc
new file mode 100644
index 000000000..984b58f4b
--- /dev/null
+++ b/src/cpu/o3/sparc/dyn_inst.cc
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "cpu/o3/sparc/dyn_inst_impl.hh"
+#include "cpu/o3/sparc/impl.hh"
+
+// Force instantiation of SparcDynInst for all the implementations that
+// are needed.
+template class SparcDynInst<SparcSimpleImpl>;
diff --git a/src/cpu/o3/sparc/dyn_inst.hh b/src/cpu/o3/sparc/dyn_inst.hh
new file mode 100644
index 000000000..2d73ca8d1
--- /dev/null
+++ b/src/cpu/o3/sparc/dyn_inst.hh
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#ifndef __CPU_O3_SPARC_DYN_INST_HH__
+#define __CPU_O3_SPARC_DYN_INST_HH__
+
+#include "arch/sparc/isa_traits.hh"
+#include "arch/sparc/types.hh"
+#include "cpu/base_dyn_inst.hh"
+#include "cpu/inst_seq.hh"
+#include "cpu/o3/sparc/cpu.hh"
+#include "cpu/o3/sparc/impl.hh"
+
+class Packet;
+
+/**
+ * Mostly implementation & ISA specific SparcDynInst. As with most
+ * other classes in the new CPU model, it is templated on the Impl to
+ * allow for passing in of all types, such as the CPU type and the ISA
+ * type. The SparcDynInst serves as the primary interface to the CPU
+ * for instructions that are executing.
+ */
+template <class Impl>
+class SparcDynInst : public BaseDynInst<Impl>
+{
+ public:
+ /** Typedef for the CPU. */
+ typedef typename Impl::O3CPU O3CPU;
+
+ public:
+ /** BaseDynInst constructor given a binary instruction. */
+ SparcDynInst(TheISA::ExtMachInst inst, Addr PC,
+ Addr Pred_PC, InstSeqNum seq_num, O3CPU *cpu);
+
+ /** BaseDynInst constructor given a static inst pointer. */
+ SparcDynInst(StaticInstPtr &_staticInst);
+
+ /** Executes the instruction.*/
+ Fault execute();
+
+ /** Initiates the access. Only valid for memory operations. */
+ Fault initiateAcc();
+
+ /** Completes the access. Only valid for memory operations. */
+ Fault completeAcc(PacketPtr pkt);
+
+ private:
+ /** Initializes variables. */
+ void initVars();
+
+ public:
+ /** Reads a miscellaneous register. */
+ TheISA::MiscReg readMiscReg(int misc_reg)
+ {
+ return this->cpu->readMiscReg(misc_reg, this->threadNumber);
+ }
+
+ /** Reads a misc. register, including any side-effects the read
+ * might have as defined by the architecture.
+ */
+ TheISA::MiscReg readMiscRegWithEffect(int misc_reg)
+ {
+ return this->cpu->readMiscRegWithEffect(misc_reg, this->threadNumber);
+ }
+
+ /** Sets a misc. register. */
+ void setMiscReg(int misc_reg, const TheISA::MiscReg &val)
+ {
+ this->instResult.integer = val;
+ return this->cpu->setMiscReg(misc_reg, val, this->threadNumber);
+ }
+
+ /** Sets a misc. register, including any side-effects the write
+ * might have as defined by the architecture.
+ */
+ void setMiscRegWithEffect(int misc_reg, const TheISA::MiscReg &val)
+ {
+ return this->cpu->setMiscRegWithEffect(misc_reg, val,
+ this->threadNumber);
+ }
+
+#if FULL_SYSTEM
+ /** Calls hardware return from error interrupt. */
+ Fault hwrei();
+ /** Traps to handle specified fault. */
+ void trap(Fault fault);
+ bool simPalCheck(int palFunc);
+#else
+ /** Calls a syscall. */
+ void syscall(int64_t callnum);
+#endif
+
+ public:
+
+ // The register accessor methods provide the index of the
+ // instruction's operand (e.g., 0 or 1), not the architectural
+ // register index, to simplify the implementation of register
+ // renaming. We find the architectural register index by indexing
+ // into the instruction's own operand index table. Note that a
+ // raw pointer to the StaticInst is provided instead of a
+ // ref-counted StaticInstPtr to redice overhead. This is fine as
+ // long as these methods don't copy the pointer into any long-term
+ // storage (which is pretty hard to imagine they would have reason
+ // to do).
+
+ uint64_t readIntReg(const StaticInst *si, int idx)
+ {
+ uint64_t val = this->cpu->readIntReg(this->_srcRegIdx[idx]);
+ DPRINTF(Sparc, "Reading int reg %d (%d, %d) as %x\n", (int)this->_flatSrcRegIdx[idx], (int)this->_srcRegIdx[idx], idx, val);
+ return this->cpu->readIntReg(this->_srcRegIdx[idx]);
+ }
+
+ TheISA::FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ {
+ return this->cpu->readFloatReg(this->_srcRegIdx[idx], width);
+ }
+
+ TheISA::FloatReg readFloatReg(const StaticInst *si, int idx)
+ {
+ return this->cpu->readFloatReg(this->_srcRegIdx[idx]);
+ }
+
+ TheISA::FloatRegBits readFloatRegBits(const StaticInst *si,
+ int idx, int width)
+ {
+ return this->cpu->readFloatRegBits(this->_srcRegIdx[idx], width);
+ }
+
+ TheISA::FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ {
+ return this->cpu->readFloatRegBits(this->_srcRegIdx[idx]);
+ }
+
+ /** @todo: Make results into arrays so they can handle multiple dest
+ * registers.
+ */
+ void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ {
+ DPRINTF(Sparc, "Setting int reg %d (%d, %d) to %x\n", (int)this->_flatDestRegIdx[idx], (int)this->_destRegIdx[idx], idx, val);
+ this->cpu->setIntReg(this->_destRegIdx[idx], val);
+ BaseDynInst<Impl>::setIntReg(si, idx, val);
+ }
+
+ void setFloatReg(const StaticInst *si, int idx,
+ TheISA::FloatReg val, int width)
+ {
+ this->cpu->setFloatReg(this->_destRegIdx[idx], val, width);
+ BaseDynInst<Impl>::setFloatReg(si, idx, val, width);
+ }
+
+ void setFloatReg(const StaticInst *si, int idx, TheISA::FloatReg val)
+ {
+ this->cpu->setFloatReg(this->_destRegIdx[idx], val);
+ BaseDynInst<Impl>::setFloatReg(si, idx, val);
+ }
+
+ void setFloatRegBits(const StaticInst *si, int idx,
+ TheISA::FloatRegBits val, int width)
+ {
+ this->cpu->setFloatRegBits(this->_destRegIdx[idx], val, width);
+ BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ }
+
+ void setFloatRegBits(const StaticInst *si,
+ int idx, TheISA::FloatRegBits val)
+ {
+ this->cpu->setFloatRegBits(this->_destRegIdx[idx], val);
+ BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ }
+
+ public:
+ /** Calculates EA part of a memory instruction. Currently unused,
+ * though it may be useful in the future if we want to split
+ * memory operations into EA calculation and memory access parts.
+ */
+ Fault calcEA()
+ {
+ return this->staticInst->eaCompInst()->execute(this, this->traceData);
+ }
+
+ /** Does the memory access part of a memory instruction. Currently unused,
+ * though it may be useful in the future if we want to split
+ * memory operations into EA calculation and memory access parts.
+ */
+ Fault memAccess()
+ {
+ return this->staticInst->memAccInst()->execute(this, this->traceData);
+ }
+};
+
+#endif // __CPU_O3_SPARC_DYN_INST_HH__
+
diff --git a/src/cpu/o3/sparc/dyn_inst_impl.hh b/src/cpu/o3/sparc/dyn_inst_impl.hh
new file mode 100644
index 000000000..b830ee7bd
--- /dev/null
+++ b/src/cpu/o3/sparc/dyn_inst_impl.hh
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "cpu/o3/sparc/dyn_inst.hh"
+
+template <class Impl>
+SparcDynInst<Impl>::SparcDynInst(TheISA::ExtMachInst inst, Addr PC,
+ Addr Pred_PC, InstSeqNum seq_num, O3CPU *cpu)
+ : BaseDynInst<Impl>(inst, PC, Pred_PC, seq_num, cpu)
+{
+ initVars();
+}
+
+template <class Impl>
+SparcDynInst<Impl>::SparcDynInst(StaticInstPtr &_staticInst)
+ : BaseDynInst<Impl>(_staticInst)
+{
+ initVars();
+}
+
+template <class Impl>
+void
+SparcDynInst<Impl>::initVars()
+{
+ // Make sure to have the renamed register entries set to the same
+ // as the normal register entries. It will allow the IQ to work
+ // without any modifications.
+ for (int i = 0; i < this->staticInst->numDestRegs(); i++) {
+ this->_destRegIdx[i] = this->staticInst->destRegIdx(i);
+ }
+
+ for (int i = 0; i < this->staticInst->numSrcRegs(); i++) {
+ this->_srcRegIdx[i] = this->staticInst->srcRegIdx(i);
+ this->_readySrcRegIdx[i] = 0;
+ }
+}
+
+template <class Impl>
+Fault
+SparcDynInst<Impl>::execute()
+{
+ // @todo: Pretty convoluted way to avoid squashing from happening
+ // when using the TC during an instruction's execution
+ // (specifically for instructions that have side-effects that use
+ // the TC). Fix this.
+ bool in_syscall = this->thread->inSyscall;
+ this->thread->inSyscall = true;
+
+ this->fault = this->staticInst->execute(this, this->traceData);
+
+ this->thread->inSyscall = in_syscall;
+
+ return this->fault;
+}
+
+template <class Impl>
+Fault
+SparcDynInst<Impl>::initiateAcc()
+{
+ // @todo: Pretty convoluted way to avoid squashing from happening
+ // when using the TC during an instruction's execution
+ // (specifically for instructions that have side-effects that use
+ // the TC). Fix this.
+ bool in_syscall = this->thread->inSyscall;
+ this->thread->inSyscall = true;
+
+ this->fault = this->staticInst->initiateAcc(this, this->traceData);
+
+ this->thread->inSyscall = in_syscall;
+
+ return this->fault;
+}
+
+template <class Impl>
+Fault
+SparcDynInst<Impl>::completeAcc(PacketPtr pkt)
+{
+ this->fault = this->staticInst->completeAcc(pkt, this, this->traceData);
+
+ return this->fault;
+}
+
+#if FULL_SYSTEM
+template <class Impl>
+Fault
+SparcDynInst<Impl>::hwrei()
+{
+ return NoFault;
+}
+
+template <class Impl>
+void
+SparcDynInst<Impl>::trap(Fault fault)
+{
+ this->cpu->trap(fault, this->threadNumber);
+}
+
+template <class Impl>
+bool
+SparcDynInst<Impl>::simPalCheck(int palFunc)
+{
+ panic("simPalCheck called, but there's no PAL in SPARC!\n");
+ return false;
+}
+#else
+template <class Impl>
+void
+SparcDynInst<Impl>::syscall(int64_t callnum)
+{
+ this->cpu->syscall(callnum, this->threadNumber);
+}
+#endif
+
diff --git a/src/cpu/o3/sparc/impl.hh b/src/cpu/o3/sparc/impl.hh
new file mode 100644
index 000000000..0a970c2f0
--- /dev/null
+++ b/src/cpu/o3/sparc/impl.hh
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#ifndef __CPU_O3_SPARC_IMPL_HH__
+#define __CPU_O3_SPARC_IMPL_HH__
+
+#include "arch/sparc/isa_traits.hh"
+
+#include "cpu/o3/sparc/params.hh"
+#include "cpu/o3/cpu_policy.hh"
+
+
+// Forward declarations.
+template <class Impl>
+class SparcDynInst;
+
+template <class Impl>
+class SparcO3CPU;
+
+/** Implementation specific struct that defines several key types to the
+ * CPU, the stages within the CPU, the time buffers, and the DynInst.
+ * The struct defines the ISA, the CPU policy, the specific DynInst, the
+ * specific O3CPU, and all of the structs from the time buffers to do
+ * communication.
+ * This is one of the key things that must be defined for each hardware
+ * specific CPU implementation.
+ */
+struct SparcSimpleImpl
+{
+ /** The type of MachInst. */
+ typedef TheISA::MachInst MachInst;
+
+ /** The CPU policy to be used, which defines all of the CPU stages. */
+ typedef SimpleCPUPolicy<SparcSimpleImpl> CPUPol;
+
+ /** The DynInst type to be used. */
+ typedef SparcDynInst<SparcSimpleImpl> DynInst;
+
+ /** The refcounted DynInst pointer to be used. In most cases this is
+ * what should be used, and not DynInst *.
+ */
+ typedef RefCountingPtr<DynInst> DynInstPtr;
+
+ /** The O3CPU type to be used. */
+ typedef SparcO3CPU<SparcSimpleImpl> O3CPU;
+
+ /** Same typedef, but for CPUType. BaseDynInst may not always use
+ * an O3 CPU, so it's clearer to call it CPUType instead in that
+ * case.
+ */
+ typedef O3CPU CPUType;
+
+ /** The Params to be passed to each stage. */
+ typedef SparcSimpleParams Params;
+
+ enum {
+ MaxWidth = 8,
+ MaxThreads = 4
+ };
+};
+
+/** The O3Impl to be used. */
+typedef SparcSimpleImpl O3CPUImpl;
+
+#endif // __CPU_O3_SPARC_IMPL_HH__
diff --git a/src/cpu/o3/sparc/params.hh b/src/cpu/o3/sparc/params.hh
new file mode 100644
index 000000000..d399d64c4
--- /dev/null
+++ b/src/cpu/o3/sparc/params.hh
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#ifndef __CPU_O3_SPARC_PARAMS_HH__
+#define __CPU_O3_SPARC_PARAMS_HH__
+
+#include "cpu/o3/cpu.hh"
+#include "cpu/o3/params.hh"
+
+//Forward declarations
+namespace SparcISA
+{
+ class DTB;
+ class ITB;
+}
+class MemObject;
+class Process;
+class System;
+
+/**
+ * This file defines the parameters that will be used for the AlphaO3CPU.
+ * This must be defined externally so that the Impl can have a params class
+ * defined that it can pass to all of the individual stages.
+ */
+
+class SparcSimpleParams : public O3Params
+{
+ public:
+
+#if FULL_SYSTEM
+ SparcISA::ITB *itb;
+ SparcISA::DTB *dtb;
+#endif
+};
+
+#endif // __CPU_O3_SPARC_PARAMS_HH__
diff --git a/src/cpu/o3/sparc/thread_context.cc b/src/cpu/o3/sparc/thread_context.cc
new file mode 100755
index 000000000..d85aff502
--- /dev/null
+++ b/src/cpu/o3/sparc/thread_context.cc
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "cpu/o3/thread_context.hh"
+#include "cpu/o3/thread_context_impl.hh"
+
+template class O3ThreadContext<SparcSimpleImpl>;
+
diff --git a/src/cpu/o3/sparc/thread_context.hh b/src/cpu/o3/sparc/thread_context.hh
new file mode 100644
index 000000000..7497959e4
--- /dev/null
+++ b/src/cpu/o3/sparc/thread_context.hh
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "arch/sparc/types.hh"
+#include "cpu/o3/thread_context.hh"
+
+template <class Impl>
+class SparcTC : public O3ThreadContext<Impl>
+{
+ public:
+#if FULL_SYSTEM
+ /** Returns pointer to the quiesce event. */
+ virtual EndQuiesceEvent *getQuiesceEvent()
+ {
+ return this->thread->quiesceEvent;
+ }
+#endif
+
+ virtual uint64_t readNextNPC()
+ {
+ return this->cpu->readNextNPC(this->thread->readTid());
+ }
+
+ virtual void setNextNPC(uint64_t val)
+ {
+ this->cpu->setNextNPC(val, this->thread->readTid());
+ }
+
+ virtual void changeRegFileContext(TheISA::RegContextParam param,
+ TheISA::RegContextVal val)
+ {
+ //XXX Ignore this for now. This -really- needs to get fixed.
+ }
+
+
+ /** This function exits the thread context in the CPU and returns
+ * 1 if the CPU has no more active threads (meaning it's OK to exit);
+ * Used in syscall-emulation mode when a thread executes the 'exit'
+ * syscall.
+ */
+ virtual int exit()
+ {
+ this->deallocate();
+
+ // If there are still threads executing in the system
+ if (this->cpu->numActiveThreads())
+ return 0; // don't exit simulation
+ else
+ return 1; // exit simulation
+ }
+};
diff --git a/src/cpu/o3/thread_context.hh b/src/cpu/o3/thread_context.hh
index 390569c3d..4987d6eb4 100755
--- a/src/cpu/o3/thread_context.hh
+++ b/src/cpu/o3/thread_context.hh
@@ -66,6 +66,14 @@ class O3ThreadContext : public ThreadContext
/** Pointer to the thread state that this TC corrseponds to. */
O3ThreadState<Impl> *thread;
+#if FULL_SYSTEM
+ /** Returns a pointer to the ITB. */
+ TheISA::ITB *getITBPtr() { return cpu->itb; }
+
+ /** Returns a pointer to the DTB. */
+ TheISA::DTB *getDTBPtr() { return cpu->dtb; }
+#endif
+
/** Returns a pointer to this CPU. */
virtual BaseCPU *getCpuPtr() { return cpu; }
diff --git a/src/cpu/o3/thread_context_impl.hh b/src/cpu/o3/thread_context_impl.hh
index afebf294f..af98fa1f5 100755
--- a/src/cpu/o3/thread_context_impl.hh
+++ b/src/cpu/o3/thread_context_impl.hh
@@ -29,6 +29,7 @@
* Korey Sewell
*/
+#include "arch/regfile.hh"
#include "cpu/o3/thread_context.hh"
#include "cpu/quiesce_event.hh"
@@ -305,6 +306,7 @@ template <class Impl>
uint64_t
O3ThreadContext<Impl>::readIntReg(int reg_idx)
{
+ reg_idx = TheISA::flattenIntIndex(this, reg_idx);
return cpu->readArchIntReg(reg_idx, thread->readTid());
}
@@ -349,6 +351,7 @@ template <class Impl>
void
O3ThreadContext<Impl>::setIntReg(int reg_idx, uint64_t val)
{
+ reg_idx = TheISA::flattenIntIndex(this, reg_idx);
cpu->setArchIntReg(reg_idx, val, thread->readTid());
// Squash if we're not already in a state update mode.
diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh
index 10bbe292c..f2f79c070 100644
--- a/src/cpu/simple_thread.hh
+++ b/src/cpu/simple_thread.hh
@@ -33,6 +33,8 @@
#define __CPU_SIMPLE_THREAD_HH__
#include "arch/isa_traits.hh"
+#include "arch/regfile.hh"
+#include "arch/syscallreturn.hh"
#include "config/full_system.hh"
#include "cpu/thread_context.hh"
#include "cpu/thread_state.hh"
@@ -250,7 +252,7 @@ class SimpleThread : public ThreadState
//
uint64_t readIntReg(int reg_idx)
{
- return regs.readIntReg(reg_idx);
+ return regs.readIntReg(TheISA::flattenIntIndex(getTC(), reg_idx));
}
FloatReg readFloatReg(int reg_idx, int width)
@@ -275,7 +277,7 @@ class SimpleThread : public ThreadState
void setIntReg(int reg_idx, uint64_t val)
{
- regs.setIntReg(reg_idx, val);
+ regs.setIntReg(TheISA::flattenIntIndex(getTC(), reg_idx), val);
}
void setFloatReg(int reg_idx, FloatReg val, int width)
@@ -376,18 +378,20 @@ class SimpleThread : public ThreadState
#if !FULL_SYSTEM
TheISA::IntReg getSyscallArg(int i)
{
- return regs.readIntReg(TheISA::ArgumentReg0 + i);
+ return regs.readIntReg(TheISA::flattenIntIndex(getTC(),
+ TheISA::ArgumentReg0 + i));
}
// used to shift args for indirect syscall
void setSyscallArg(int i, TheISA::IntReg val)
{
- regs.setIntReg(TheISA::ArgumentReg0 + i, val);
+ regs.setIntReg(TheISA::flattenIntIndex(getTC(),
+ TheISA::ArgumentReg0 + i), val);
}
void setSyscallReturn(SyscallReturn return_value)
{
- TheISA::setSyscallReturn(return_value, &regs);
+ TheISA::setSyscallReturn(return_value, getTC());
}
void syscall(int64_t callnum)
diff --git a/src/cpu/thread_context.hh b/src/cpu/thread_context.hh
index bb9cc9e16..16e491fd3 100644
--- a/src/cpu/thread_context.hh
+++ b/src/cpu/thread_context.hh
@@ -32,13 +32,13 @@
#define __CPU_THREAD_CONTEXT_HH__
#include "arch/regfile.hh"
-#include "arch/syscallreturn.hh"
#include "arch/types.hh"
#include "config/full_system.hh"
#include "mem/request.hh"
#include "sim/faults.hh"
#include "sim/host.hh"
#include "sim/serialize.hh"
+#include "sim/syscallreturn.hh"
#include "sim/byteswap.hh"
// @todo: Figure out a more architecture independent way to obtain the ITB and