Setup initialization callbacks

--HG--
extra : convert_revision : ec56a839a0489c5494bfcd9ead0fc3866f1e8ac2
diff --git a/sim/sim_object.hh b/sim/sim_object.hh
index 937ff94..165931b 100644
--- a/sim/sim_object.hh
+++ b/sim/sim_object.hh
@@ -65,6 +65,10 @@
 
     virtual std::string name() const { return objName; }
 
+    // initialization pass of all objects.  Gets invoked by SimInit()
+    virtual void init();
+    static void initAll();
+
     // register statistics for this object
     virtual void regStats();
     virtual void regFormulas();