Update code so that the O3 CPU can handle not initially having anything hooked up to its ports. This fixes the segfault Ali recently found when using sampling.

src/cpu/o3/fetch.hh:
src/cpu/o3/fetch_impl.hh:
    Update code so that the O3 CPU can handle not initially having anything hooked up to its ports.

--HG--
extra : convert_revision : 04bcef44e754735d821509ebd69b0ef9c8ef8e2c

1 files changed, 5 insertions, 0 deletions

diff --git a/src/cpu/o3/fetch.hh b/src/cpu/o3/fetch.hh
index da7ce00f5..811f4d2bc 100644
--- a/src/cpu/o3/fetch.hh
+++ b/src/cpu/o3/fetch.hh
@@ -86,6 +86,8 @@ class DefaultFetch
 
         bool snoopRangeSent;
 
+        virtual void setPeer(Port *port);
+
       protected:
         /** Atomic version of receive.  Panics. */
         virtual Tick recvAtomic(PacketPtr pkt);
@@ -184,6 +186,9 @@ class DefaultFetch
     /** Initialize stage. */
     void initStage();
 
+    /** Tells the fetch stage that the Icache is set. */
+    void setIcache();
+
     /** Processes cache completion event. */
     void processCacheCompletion(PacketPtr pkt);