Fix up a bunch of multilevel coherence issues.

Atomic mode seems to work.  Timing is closer but not there yet.

--HG--
extra : convert_revision : 0dea5c3d4b973d009e9d4a4c21b9cad15961d56f

2 files changed, 7 insertions, 4 deletions

diff --git a/src/cpu/memtest/memtest.cc b/src/cpu/memtest/memtest.cc
index db3ca282a..f5c8bb93b 100644
--- a/src/cpu/memtest/memtest.cc
+++ b/src/cpu/memtest/memtest.cc
@@ -64,7 +64,9 @@ MemTest::CpuPort::recvTiming(PacketPtr pkt)
 Tick
 MemTest::CpuPort::recvAtomic(PacketPtr pkt)
 {
-    panic("MemTest doesn't expect recvAtomic callback!");
+    // must be snoop upcall
+    assert(pkt->isRequest());
+    assert(pkt->getDest() == Packet::Broadcast);
     return curTick;
 }
 
diff --git a/src/cpu/o3/lsq_impl.hh b/src/cpu/o3/lsq_impl.hh
index b4a6a02da..10c0afd38 100644
--- a/src/cpu/o3/lsq_impl.hh
+++ b/src/cpu/o3/lsq_impl.hh
@@ -84,9 +84,10 @@ LSQ<Impl>::DcachePort::recvTiming(PacketPtr pkt)
         lsq->thread[pkt->req->getThreadNum()].completeDataAccess(pkt);
     }
     else {
-    //else it is a coherence request, maybe you need to do something
-        warn("Recieved a coherence request (Invalidate?), 03CPU doesn't"
-             "update LSQ for these\n");
+        // must be a snoop
+
+        // @TODO someday may need to process invalidations in LSQ here
+        // to provide stronger consistency model
     }
     return true;
 }