1 files changed, 9 insertions, 0 deletions
diff --git a/sim/sim_object.hh b/sim/sim_object.hh
index 5db62dd51..76aba7ea1 100644
--- a/sim/sim_object.hh
+++ b/sim/sim_object.hh
@@ -41,6 +41,8 @@
 #include "sim/serialize.hh"
 #include "sim/startup.hh"
 
+class Serializer;
+
 /*
  * Abstract superclass for simulation objects.  Represents things that
  * correspond to physical components and can be specified via the
@@ -96,6 +98,13 @@ class SimObject : public Serializable, protected StartupCallback
     // static: call nameOut() & serialize() on all SimObjects
     static void serializeAll(std::ostream &);
 
+    // Methods to drain objects in order to take checkpoints
+    // Or switch from timing -> atomic memory model
+    virtual void drain(Serializer *serializer);
+    virtual void resume() { return;} ;
+    virtual void serializationComplete()
+    { assert(0 && "Unimplemented"); };
+
 #ifdef DEBUG
   public:
     bool doDebugBreak;