Merge zizzer:/bk/newmem

into  zeep.pool:/z/saidi/work/m5.newmem

--HG--
extra : convert_revision : 4669e87d29fa3e0ca9009f6b9dce72113220d7bc

1 files changed, 9 insertions, 3 deletions

diff --git a/src/mem/bus.hh b/src/mem/bus.hh
index 9c7054b94..3a2896886 100644
--- a/src/mem/bus.hh
+++ b/src/mem/bus.hh
@@ -51,19 +51,22 @@ class Bus : public MemObject
     /** a globally unique id for this bus. */
     int busId;
 
+    static const int defaultId = -1;
+
     struct DevMap {
         int portId;
         Range<Addr> range;
     };
     std::vector<DevMap> portList;
+    AddrRangeList defaultRange;
 
 
     /** Function called by the port when the bus is recieving a Timing
-        transaction.*/
+      transaction.*/
     bool recvTiming(Packet *pkt);
 
     /** Function called by the port when the bus is recieving a Atomic
-        transaction.*/
+      transaction.*/
     Tick recvAtomic(Packet *pkt);
 
     /** Function called by the port when the bus is recieving a Functional
@@ -159,6 +162,9 @@ class Bus : public MemObject
      * original send failed for whatever reason.*/
     std::list<Port*> retryList;
 
+    /** Port that handles requests that don't match any of the interfaces.*/
+    Port *defaultPort;
+
   public:
 
     /** A function used to return the port associated with this bus object. */
@@ -167,7 +173,7 @@ class Bus : public MemObject
     virtual void init();
 
     Bus(const std::string &n, int bus_id)
-        : MemObject(n), busId(bus_id)  {}
+        : MemObject(n), busId(bus_id), defaultPort(NULL)  {}
 
 };