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-rw-r--r--src/cpu/o3/cpu.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index 5dd2c3f3c..bf2cc80e3 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -460,6 +460,12 @@ FullO3CPU<Impl>::FullO3CPU(DerivO3CPUParams *params)
this->threadContexts.push_back(tc);
}
+ // FullO3CPU always requires an interrupt controller.
+ if (!params->defer_registration && !interrupts) {
+ fatal("FullO3CPU %s has no interrupt controller.\n"
+ "Ensure createInterruptController() is called.\n", name());
+ }
+
for (ThreadID tid = 0; tid < this->numThreads; tid++)
this->thread[tid]->setFuncExeInst(0);