From f28ea7a6c9ea9506524adff0f468d6dd789c510c Mon Sep 17 00:00:00 2001
From: Steve Reinhardt <steve.reinhardt@amd.com>
Date: Sat, 26 Sep 2009 10:50:50 -0700
Subject: O3: Mark fetch stage as active if it faults. Otherwise if the rest of
 the pipeline is idle then fault will never propagate to commit to be handled,
 causing CPU to deadlock.

---
 src/cpu/o3/fetch_impl.hh | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/cpu/o3/fetch_impl.hh b/src/cpu/o3/fetch_impl.hh
index 5c6e287dc..e6815ef8a 100644
--- a/src/cpu/o3/fetch_impl.hh
+++ b/src/cpu/o3/fetch_impl.hh
@@ -1264,6 +1264,8 @@ DefaultFetch<Impl>::fetch(bool &status_change)
         toDecode->insts[numInst] = instruction;
         toDecode->size++;
 
+        wroteToTimeBuffer = true;
+
         DPRINTF(Fetch, "[tid:%i]: Blocked, need to handle the trap.\n",tid);
 
         fetchStatus[tid] = TrapPending;
-- 
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