From fc4ab050b4940138a4288c416f3bfa9dc442c7b6 Mon Sep 17 00:00:00 2001
From: Nathan Binkert <binkertn@umich.edu>
Date: Sat, 9 Jun 2007 23:01:47 -0700
Subject: [PATCH] Add a startup function that will fast forward to the right
 clock edge using a divide in order to not loop forever after resuming from a
 checkpoint

--HG--
extra : convert_revision : 4bbc70b1be4e5c4ed99d4f88418ab620d5ce475a
---
 src/mem/bus.cc | 7 +++++++
 src/mem/bus.hh | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/mem/bus.cc b/src/mem/bus.cc
index 1f96115b8..13e545064 100644
--- a/src/mem/bus.cc
+++ b/src/mem/bus.cc
@@ -605,6 +605,13 @@ Bus::drain(Event * de)
     }
 }
 
+void
+Bus::startup()
+{
+    if (tickNextIdle < curTick)
+        tickNextIdle = (curTick / clock) * clock + clock;
+}
+
 BEGIN_DECLARE_SIM_OBJECT_PARAMS(Bus)
 
     Param<int> bus_id;
diff --git a/src/mem/bus.hh b/src/mem/bus.hh
index 5dd98c07e..ee647e20a 100644
--- a/src/mem/bus.hh
+++ b/src/mem/bus.hh
@@ -267,6 +267,7 @@ class Bus : public MemObject
     virtual void deletePortRefs(Port *p);
 
     virtual void init();
+    virtual void startup();
 
     unsigned int drain(Event *de);