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cpu: Enforce 1 interrupt controller per thread

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Consider it a fatal configuration error if the number of interrupt
controllers doesn't match the number of threads in an SMT
configuration.
This commit is contained in:
Andreas Sandberg
2015-11-20 14:50:17 -06:00
parent 90d430d5b3
commit d57a855e40
1 changed files with 6 additions and 8 deletions
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14
src/cpu/base.cc
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@@ -237,14 +237,12 @@ BaseCPU::BaseCPU(Params *p, bool is_checker)
// The interrupts should always be present unless this CPU is
// switched in later or in case it is a checker CPU
if (!params()->switched_out && !is_checker) {
if (!interrupts.empty()) {
for (ThreadID tid = 0; tid < numThreads; tid++) {
interrupts[tid]->setCPU(this);
}
} else {
fatal("CPU %s has no interrupt controller.\n"
"Ensure createInterruptController() is called.\n", name());
}
fatal_if(interrupts.size() != numThreads,
"CPU %s has %i interrupt controllers, but is expecting one "
"per thread (%i)\n",
name(), interrupts.size(), numThreads);
for (ThreadID tid = 0; tid < numThreads; tid++)
interrupts[tid]->setCPU(this);
}
if (FullSystem) {