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-rw-r--r--cpu/simple_cpu/simple_cpu.cc27
-rw-r--r--cpu/simple_cpu/simple_cpu.hh2
2 files changed, 27 insertions, 2 deletions
diff --git a/cpu/simple_cpu/simple_cpu.cc b/cpu/simple_cpu/simple_cpu.cc
index 60d704604..814902390 100644
--- a/cpu/simple_cpu/simple_cpu.cc
+++ b/cpu/simple_cpu/simple_cpu.cc
@@ -627,7 +627,32 @@ SimpleCPU::tick()
xc->func_exe_insn++;
fault = si->execute(this, xc, traceData);
-
+#ifdef FS_MEASURE
+ if (!(xc->misspeculating()) && (xc->system->bin)) {
+ SWContext *ctx = xc->swCtx;
+ if (ctx && !ctx->callStack.empty()) {
+ if (si->isCall()) {
+ ctx->calls++;
+ }
+ if (si->isReturn()) {
+ if (ctx->calls == 0) {
+ fnCall *top = ctx->callStack.top();
+ DPRINTF(TCPIP, "Removing %s from callstack.\n", top->name);
+ delete top;
+ ctx->callStack.pop();
+ if (ctx->callStack.empty())
+ xc->system->nonPath->activate();
+ else
+ ctx->callStack.top()->myBin->activate();
+
+ xc->system->dumpState(xc);
+ } else {
+ ctx->calls--;
+ }
+ }
+ }
+ }
+#endif
if (si->isMemRef()) {
numMemRefs++;
}
diff --git a/cpu/simple_cpu/simple_cpu.hh b/cpu/simple_cpu/simple_cpu.hh
index 61c9143ba..6ad831218 100644
--- a/cpu/simple_cpu/simple_cpu.hh
+++ b/cpu/simple_cpu/simple_cpu.hh
@@ -216,7 +216,7 @@ class SimpleCPU : public BaseCPU
assert(old_status == Idle ||
old_status == DcacheMissStall ||
old_status == IcacheMissComplete);
- if (old_status == Idle)
+ if (old_status == Idle && curTick != 0)
idleCycles += curTick - last_idle;
if (tickEvent.squashed())