Fix up bus draining and add draining to the caches.

src/mem/bus.cc:
    Fix up draining to work properly.
src/mem/bus.hh:
    Initialize drainEvent to NULL.
src/mem/cache/base_cache.cc:
src/mem/cache/base_cache.hh:
    Add draining to the caches.

--HG--
extra : convert_revision : 3082220a75d50876f10909f9f99bec535889f818

1 files changed, 5 insertions, 5 deletions

diff --git a/src/mem/bus.cc b/src/mem/bus.cc
index 28ee3476b..7b65d252b 100644
--- a/src/mem/bus.cc
+++ b/src/mem/bus.cc
@@ -240,10 +240,10 @@ Bus::recvRetry(int id)
                 busIdle.reschedule(tickNextIdle);
             }
         }
-        //If we weren't able to drain before, we might be able to now.
-        if (drainEvent && retryList.size() == 0 && curTick >= tickNextIdle)
-            drainEvent->process();
     }
+    //If we weren't able to drain before, we might be able to now.
+    if (drainEvent && retryList.size() == 0 && curTick >= tickNextIdle)
+        drainEvent->process();
 }
 
 Port *
@@ -521,10 +521,10 @@ Bus::drain(Event * de)
     //waiting. We might be idle but have someone waiting if the device we
     //contacted for a retry didn't actually retry.
     if (curTick >= tickNextIdle && retryList.size() == 0) {
+        return 0;
+    } else {
         drainEvent = de;
         return 1;
-    } else {
-        return 0;
     }
 }