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authorAli Saidi <saidi@eecs.umich.edu>2007-01-30 18:25:39 -0500
committerAli Saidi <saidi@eecs.umich.edu>2007-01-30 18:25:39 -0500
commitfc79ace5023048e5f73e5c1e21b8f86f09f72bf0 (patch)
tree3e92ef502c8118f0d21498195ab20ab7459ea0e8 /src/arch/sparc
parent3fa5816dcf639b3cf2e134f94d80e13813d3dfd8 (diff)
downloadgem5-fc79ace5023048e5f73e5c1e21b8f86f09f72bf0.tar.xz
Make SPARC checkpointing work
src/arch/sparc/floatregfile.cc: Fix serialization for fpreg src/arch/sparc/intregfile.cc: fix serialization for intreg src/arch/sparc/miscregfile.cc: fix serialization from miscreg src/arch/sparc/pagetable.cc: fix serialization for page table src/arch/sparc/regfile.cc: need to serialize nnpc src/arch/sparc/tlb.cc: write serialization code for tlb src/cpu/base.cc: provide a way to find the thread number a context is serialize the instruction counter src/cpu/base.hh: provide a way to find the thread number a context is and given a thread number find a context pointer src/cpu/cpuevent.hh: provide method to get thread context from a cpu event for serialization src/dev/sparc/t1000.cc: src/dev/sparc/t1000.hh: nothing to serialize in t1000 src/sim/serialize.cc: src/sim/serialize.hh: Make findObj() work (it hasn't since we did the python conversion stuff) --HG-- extra : convert_revision : a95bc4e3c3354304171efbe3797556fdb146bea2
Diffstat (limited to 'src/arch/sparc')
-rw-r--r--src/arch/sparc/floatregfile.cc6
-rw-r--r--src/arch/sparc/intregfile.cc17
-rw-r--r--src/arch/sparc/miscregfile.cc152
-rw-r--r--src/arch/sparc/pagetable.cc9
-rw-r--r--src/arch/sparc/regfile.cc2
-rw-r--r--src/arch/sparc/tlb.cc46
6 files changed, 184 insertions, 48 deletions
diff --git a/src/arch/sparc/floatregfile.cc b/src/arch/sparc/floatregfile.cc
index 6f04ca829..585782ddb 100644
--- a/src/arch/sparc/floatregfile.cc
+++ b/src/arch/sparc/floatregfile.cc
@@ -183,13 +183,15 @@ Fault FloatRegFile::setRegBits(int floatReg, const FloatRegBits &val, int width)
void FloatRegFile::serialize(std::ostream &os)
{
- SERIALIZE_ARRAY((unsigned char *)regSpace,
+ uint8_t *float_reg = (uint8_t*)regSpace;
+ SERIALIZE_ARRAY(float_reg,
SingleWidth / 8 * NumFloatRegs);
}
void FloatRegFile::unserialize(Checkpoint *cp, const std::string &section)
{
- UNSERIALIZE_ARRAY((unsigned char *)regSpace,
+ uint8_t *float_reg = (uint8_t*)regSpace;
+ UNSERIALIZE_ARRAY(float_reg,
SingleWidth / 8 * NumFloatRegs);
}
diff --git a/src/arch/sparc/intregfile.cc b/src/arch/sparc/intregfile.cc
index 2c9d9b162..39a613a0d 100644
--- a/src/arch/sparc/intregfile.cc
+++ b/src/arch/sparc/intregfile.cc
@@ -81,6 +81,8 @@ IntReg IntRegFile::readReg(int intReg)
{
DPRINTF(Sparc, "Read register %d = 0x%x\n", intReg, regs[intReg]);
return regs[intReg];
+ /* XXX Currently not used. When used again regView/offset need to be
+ * serialized!
IntReg val;
if(intReg < NumIntArchRegs)
val = regView[intReg >> FrameOffsetBits][intReg & FrameOffsetMask];
@@ -92,6 +94,7 @@ IntReg IntRegFile::readReg(int intReg)
DPRINTF(Sparc, "Read register %d = 0x%x\n", intReg, val);
return val;
+ */
}
void IntRegFile::setReg(int intReg, const IntReg &val)
@@ -102,6 +105,8 @@ void IntRegFile::setReg(int intReg, const IntReg &val)
regs[intReg] = val;
}
return;
+ /* XXX Currently not used. When used again regView/offset need to be
+ * serialized!
if(intReg)
{
DPRINTF(Sparc, "Wrote register %d = 0x%x\n", intReg, val);
@@ -111,7 +116,7 @@ void IntRegFile::setReg(int intReg, const IntReg &val)
microRegs[intReg] = val;
else
panic("Tried to set non-existant integer register\n");
- }
+ } */
}
//This doesn't effect the actual CWP register.
@@ -148,20 +153,26 @@ void IntRegFile::setGlobals(int gl)
void IntRegFile::serialize(std::ostream &os)
{
+ SERIALIZE_ARRAY(regs, NumIntRegs);
+ SERIALIZE_ARRAY(microRegs, NumMicroIntRegs);
+
+ /* the below doesn't seem needed unless gabe makes regview work*/
unsigned int x;
for(x = 0; x < MaxGL; x++)
SERIALIZE_ARRAY(regGlobals[x], RegsPerFrame);
for(x = 0; x < 2 * NWindows; x++)
SERIALIZE_ARRAY(regSegments[x], RegsPerFrame);
- SERIALIZE_ARRAY(microRegs, NumMicroIntRegs);
}
void IntRegFile::unserialize(Checkpoint *cp, const std::string &section)
{
+ UNSERIALIZE_ARRAY(regs, NumIntRegs);
+ UNSERIALIZE_ARRAY(microRegs, NumMicroIntRegs);
+
+ /* the below doesn't seem needed unless gabe makes regview work*/
unsigned int x;
for(x = 0; x < MaxGL; x++)
UNSERIALIZE_ARRAY(regGlobals[x], RegsPerFrame);
for(unsigned int x = 0; x < 2 * NWindows; x++)
UNSERIALIZE_ARRAY(regSegments[x], RegsPerFrame);
- UNSERIALIZE_ARRAY(microRegs, NumMicroIntRegs);
}
diff --git a/src/arch/sparc/miscregfile.cc b/src/arch/sparc/miscregfile.cc
index 422bc2fbe..0fe3e96b2 100644
--- a/src/arch/sparc/miscregfile.cc
+++ b/src/arch/sparc/miscregfile.cc
@@ -125,6 +125,11 @@ void MiscRegFile::clear()
dTlbTagAccess = 0;
memset(scratchPad, 0, sizeof(scratchPad));
+#if FULL_SYSTEM
+ tickCompare = NULL;
+ sTickCompare = NULL;
+ hSTickCompare = NULL;
+#endif
}
MiscReg MiscRegFile::readReg(int miscReg)
@@ -675,32 +680,31 @@ void MiscRegFile::setRegWithEffect(int miscReg,
void MiscRegFile::serialize(std::ostream & os)
{
- SERIALIZE_SCALAR(pstate);
- SERIALIZE_SCALAR(tba);
-// SERIALIZE_SCALAR(y);
- SERIALIZE_SCALAR(pil);
- SERIALIZE_SCALAR(gl);
- SERIALIZE_SCALAR(cwp);
- SERIALIZE_ARRAY(tt, MaxTL);
-// SERIALIZE_SCALAR(ccr);
SERIALIZE_SCALAR(asi);
- SERIALIZE_SCALAR(tl);
- SERIALIZE_ARRAY(tpc, MaxTL);
- SERIALIZE_ARRAY(tnpc, MaxTL);
- SERIALIZE_ARRAY(tstate, MaxTL);
SERIALIZE_SCALAR(tick);
-// SERIALIZE_SCALAR(cansave);
-// SERIALIZE_SCALAR(canrestore);
-// SERIALIZE_SCALAR(otherwin);
-// SERIALIZE_SCALAR(cleanwin);
-// SERIALIZE_SCALAR(wstate);
- SERIALIZE_SCALAR(fsr);
SERIALIZE_SCALAR(fprs);
+ SERIALIZE_SCALAR(gsr);
+ SERIALIZE_SCALAR(softint);
+ SERIALIZE_SCALAR(tick_cmpr);
+ SERIALIZE_SCALAR(stick);
+ SERIALIZE_SCALAR(stick_cmpr);
+ SERIALIZE_ARRAY(tpc,MaxTL);
+ SERIALIZE_ARRAY(tnpc,MaxTL);
+ SERIALIZE_ARRAY(tstate,MaxTL);
+ SERIALIZE_ARRAY(tt,MaxTL);
+ SERIALIZE_SCALAR(tba);
+ SERIALIZE_SCALAR(pstate);
+ SERIALIZE_SCALAR(tl);
+ SERIALIZE_SCALAR(pil);
+ SERIALIZE_SCALAR(cwp);
+ SERIALIZE_SCALAR(gl);
SERIALIZE_SCALAR(hpstate);
- SERIALIZE_ARRAY(htstate, MaxTL);
+ SERIALIZE_ARRAY(htstate,MaxTL);
+ SERIALIZE_SCALAR(hintp);
SERIALIZE_SCALAR(htba);
SERIALIZE_SCALAR(hstick_cmpr);
SERIALIZE_SCALAR(strandStatusReg);
+ SERIALIZE_SCALAR(fsr);
SERIALIZE_SCALAR(priContext);
SERIALIZE_SCALAR(secContext);
SERIALIZE_SCALAR(partId);
@@ -718,6 +722,7 @@ void MiscRegFile::serialize(std::ostream & os)
SERIALIZE_SCALAR(dTlbC0Config);
SERIALIZE_SCALAR(dTlbCXTsbPs0);
SERIALIZE_SCALAR(dTlbCXTsbPs1);
+ SERIALIZE_SCALAR(dTlbCXConfig);
SERIALIZE_SCALAR(dTlbSfsr);
SERIALIZE_SCALAR(dTlbSfar);
SERIALIZE_SCALAR(dTlbTagAccess);
@@ -730,36 +735,70 @@ void MiscRegFile::serialize(std::ostream & os)
SERIALIZE_SCALAR(res_error_tail);
SERIALIZE_SCALAR(nres_error_head);
SERIALIZE_SCALAR(nres_error_tail);
+#if FULL_SYSTEM
+ Tick tick_cmp = 0, stick_cmp = 0, hstick_cmp = 0;
+ ThreadContext *tc = NULL;
+ BaseCPU *cpu = NULL;
+ int tc_num = 0;
+ bool tick_intr_sched = true;
+
+ if (tickCompare)
+ tc = tickCompare->getTC();
+ else if (sTickCompare)
+ tc = sTickCompare->getTC();
+ else if (hSTickCompare)
+ tc = hSTickCompare->getTC();
+ else
+ tick_intr_sched = false;
+
+ SERIALIZE_SCALAR(tick_intr_sched);
+
+ if (tc) {
+ cpu = tc->getCpuPtr();
+ tc_num = cpu->findContext(tc);
+ if (tickCompare && tickCompare->scheduled())
+ tick_cmp = tickCompare->when();
+ if (sTickCompare && sTickCompare->scheduled())
+ stick_cmp = sTickCompare->when();
+ if (hSTickCompare && hSTickCompare->scheduled())
+ hstick_cmp = hSTickCompare->when();
+
+ SERIALIZE_OBJPTR(cpu);
+ SERIALIZE_SCALAR(tc_num);
+ SERIALIZE_SCALAR(tick_cmp);
+ SERIALIZE_SCALAR(stick_cmp);
+ SERIALIZE_SCALAR(hstick_cmp);
+ }
+#endif
}
void MiscRegFile::unserialize(Checkpoint * cp, const std::string & section)
{
- UNSERIALIZE_SCALAR(pstate);
- UNSERIALIZE_SCALAR(tba);
-// UNSERIALIZE_SCALAR(y);
- UNSERIALIZE_SCALAR(pil);
- UNSERIALIZE_SCALAR(gl);
- UNSERIALIZE_SCALAR(cwp);
- UNSERIALIZE_ARRAY(tt, MaxTL);
-// UNSERIALIZE_SCALAR(ccr);
UNSERIALIZE_SCALAR(asi);
- UNSERIALIZE_SCALAR(tl);
- UNSERIALIZE_ARRAY(tpc, MaxTL);
- UNSERIALIZE_ARRAY(tnpc, MaxTL);
- UNSERIALIZE_ARRAY(tstate, MaxTL);
UNSERIALIZE_SCALAR(tick);
-// UNSERIALIZE_SCALAR(cansave);
-// UNSERIALIZE_SCALAR(canrestore);
-// UNSERIALIZE_SCALAR(otherwin);
-// UNSERIALIZE_SCALAR(cleanwin);
-// UNSERIALIZE_SCALAR(wstate);
- UNSERIALIZE_SCALAR(fsr);
UNSERIALIZE_SCALAR(fprs);
+ UNSERIALIZE_SCALAR(gsr);
+ UNSERIALIZE_SCALAR(softint);
+ UNSERIALIZE_SCALAR(tick_cmpr);
+ UNSERIALIZE_SCALAR(stick);
+ UNSERIALIZE_SCALAR(stick_cmpr);
+ UNSERIALIZE_ARRAY(tpc,MaxTL);
+ UNSERIALIZE_ARRAY(tnpc,MaxTL);
+ UNSERIALIZE_ARRAY(tstate,MaxTL);
+ UNSERIALIZE_ARRAY(tt,MaxTL);
+ UNSERIALIZE_SCALAR(tba);
+ UNSERIALIZE_SCALAR(pstate);
+ UNSERIALIZE_SCALAR(tl);
+ UNSERIALIZE_SCALAR(pil);
+ UNSERIALIZE_SCALAR(cwp);
+ UNSERIALIZE_SCALAR(gl);
UNSERIALIZE_SCALAR(hpstate);
- UNSERIALIZE_ARRAY(htstate, MaxTL);
+ UNSERIALIZE_ARRAY(htstate,MaxTL);
+ UNSERIALIZE_SCALAR(hintp);
UNSERIALIZE_SCALAR(htba);
UNSERIALIZE_SCALAR(hstick_cmpr);
UNSERIALIZE_SCALAR(strandStatusReg);
+ UNSERIALIZE_SCALAR(fsr);
UNSERIALIZE_SCALAR(priContext);
UNSERIALIZE_SCALAR(secContext);
UNSERIALIZE_SCALAR(partId);
@@ -777,6 +816,7 @@ void MiscRegFile::unserialize(Checkpoint * cp, const std::string & section)
UNSERIALIZE_SCALAR(dTlbC0Config);
UNSERIALIZE_SCALAR(dTlbCXTsbPs0);
UNSERIALIZE_SCALAR(dTlbCXTsbPs1);
+ UNSERIALIZE_SCALAR(dTlbCXConfig);
UNSERIALIZE_SCALAR(dTlbSfsr);
UNSERIALIZE_SCALAR(dTlbSfar);
UNSERIALIZE_SCALAR(dTlbTagAccess);
@@ -788,4 +828,38 @@ void MiscRegFile::unserialize(Checkpoint * cp, const std::string & section)
UNSERIALIZE_SCALAR(res_error_head);
UNSERIALIZE_SCALAR(res_error_tail);
UNSERIALIZE_SCALAR(nres_error_head);
- UNSERIALIZE_SCALAR(nres_error_tail);}
+ UNSERIALIZE_SCALAR(nres_error_tail);
+
+#if FULL_SYSTEM
+ Tick tick_cmp = 0, stick_cmp = 0, hstick_cmp = 0;
+ ThreadContext *tc = NULL;
+ BaseCPU *cpu = NULL;
+ int tc_num;
+ bool tick_intr_sched;
+ UNSERIALIZE_SCALAR(tick_intr_sched);
+ if (tick_intr_sched) {
+ UNSERIALIZE_OBJPTR(cpu);
+ if (cpu) {
+ UNSERIALIZE_SCALAR(tc_num);
+ UNSERIALIZE_SCALAR(tick_cmp);
+ UNSERIALIZE_SCALAR(stick_cmp);
+ UNSERIALIZE_SCALAR(hstick_cmp);
+ tc = cpu->getContext(tc_num);
+
+ if (tick_cmp) {
+ tickCompare = new TickCompareEvent(this, tc);
+ tickCompare->schedule(tick_cmp);
+ }
+ if (stick_cmp) {
+ sTickCompare = new STickCompareEvent(this, tc);
+ sTickCompare->schedule(stick_cmp);
+ }
+ if (hstick_cmp) {
+ hSTickCompare = new HSTickCompareEvent(this, tc);
+ hSTickCompare->schedule(hstick_cmp);
+ }
+ }
+ }
+
+ #endif
+}
diff --git a/src/arch/sparc/pagetable.cc b/src/arch/sparc/pagetable.cc
index 22130d41c..e91c0599f 100644
--- a/src/arch/sparc/pagetable.cc
+++ b/src/arch/sparc/pagetable.cc
@@ -41,9 +41,12 @@ TlbEntry::serialize(std::ostream &os)
SERIALIZE_SCALAR(range.contextId);
SERIALIZE_SCALAR(range.partitionId);
SERIALIZE_SCALAR(range.real);
- uint64_t entry4u = pte();
+ uint64_t entry4u = 0;
+ if (valid)
+ entry4u = pte();
SERIALIZE_SCALAR(entry4u);
SERIALIZE_SCALAR(used);
+ SERIALIZE_SCALAR(valid);
}
@@ -57,8 +60,10 @@ TlbEntry::unserialize(Checkpoint *cp, const std::string &section)
UNSERIALIZE_SCALAR(range.real);
uint64_t entry4u;
UNSERIALIZE_SCALAR(entry4u);
- pte.populate(entry4u);
+ if (entry4u)
+ pte.populate(entry4u);
UNSERIALIZE_SCALAR(used);
+ UNSERIALIZE_SCALAR(valid);
}
diff --git a/src/arch/sparc/regfile.cc b/src/arch/sparc/regfile.cc
index d39892e73..827e22c31 100644
--- a/src/arch/sparc/regfile.cc
+++ b/src/arch/sparc/regfile.cc
@@ -226,6 +226,7 @@ void RegFile::serialize(std::ostream &os)
miscRegFile.serialize(os);
SERIALIZE_SCALAR(pc);
SERIALIZE_SCALAR(npc);
+ SERIALIZE_SCALAR(nnpc);
}
void RegFile::unserialize(Checkpoint *cp, const std::string &section)
@@ -235,6 +236,7 @@ void RegFile::unserialize(Checkpoint *cp, const std::string &section)
miscRegFile.unserialize(cp, section);
UNSERIALIZE_SCALAR(pc);
UNSERIALIZE_SCALAR(npc);
+ UNSERIALIZE_SCALAR(nnpc);
}
void RegFile::changeContext(RegContextParam param, RegContextVal val)
diff --git a/src/arch/sparc/tlb.cc b/src/arch/sparc/tlb.cc
index bc3c39294..32e172957 100644
--- a/src/arch/sparc/tlb.cc
+++ b/src/arch/sparc/tlb.cc
@@ -1250,13 +1250,55 @@ doMmuWriteError:
void
TLB::serialize(std::ostream &os)
{
- panic("Need to implement serialize tlb for SPARC\n");
+ SERIALIZE_SCALAR(size);
+ SERIALIZE_SCALAR(usedEntries);
+ SERIALIZE_SCALAR(lastReplaced);
+
+ // convert the pointer based free list into an index based one
+ int *free_list = (int*)malloc(sizeof(int) * size);
+ int cntr = 0;
+ std::list<TlbEntry*>::iterator i;
+ i = freeList.begin();
+ while (i != freeList.end()) {
+ free_list[cntr++] = ((size_t)*i - (size_t)tlb)/ sizeof(TlbEntry);
+ i++;
+ }
+ SERIALIZE_SCALAR(cntr);
+ SERIALIZE_ARRAY(free_list, cntr);
+
+ for (int x = 0; x < size; x++) {
+ nameOut(os, csprintf("%s.PTE%d", name(), x));
+ tlb[x].serialize(os);
+ }
}
void
TLB::unserialize(Checkpoint *cp, const std::string &section)
{
- panic("Need to implement unserialize tlb for SPARC\n");
+ int oldSize;
+
+ paramIn(cp, section, "size", oldSize);
+ if (oldSize != size)
+ panic("Don't support unserializing different sized TLBs\n");
+ UNSERIALIZE_SCALAR(usedEntries);
+ UNSERIALIZE_SCALAR(lastReplaced);
+
+ int cntr;
+ UNSERIALIZE_SCALAR(cntr);
+
+ int *free_list = (int*)malloc(sizeof(int) * cntr);
+ freeList.clear();
+ UNSERIALIZE_ARRAY(free_list, cntr);
+ for (int x = 0; x < cntr; x++)
+ freeList.push_back(&tlb[free_list[x]]);
+
+ lookupTable.clear();
+ for (int x = 0; x < size; x++) {
+ tlb[x].unserialize(cp, csprintf("%s.PTE%d", section, x));
+ if (tlb[x].valid)
+ lookupTable.insert(tlb[x].range, &tlb[x]);
+
+ }
}