From a1e82259759ce7290269aeca6742098f1adbf2fd Mon Sep 17 00:00:00 2001
From: Ali Saidi <Ali.Saidi@ARM.com>
Date: Mon, 8 Nov 2010 13:58:25 -0600
Subject: ARM: Add checkpointing support

---
 src/mem/physical.cc | 30 ++++++++++++++++++++++++++++++
 src/mem/physical.hh |  5 +++++
 2 files changed, 35 insertions(+)

(limited to 'src/mem')

diff --git a/src/mem/physical.cc b/src/mem/physical.cc
index 889794db6..c24300cad 100644
--- a/src/mem/physical.cc
+++ b/src/mem/physical.cc
@@ -1,4 +1,16 @@
 /*
+ * Copyright (c) 2010 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
  * Copyright (c) 2001-2005 The Regents of The University of Michigan
  * All rights reserved.
  *
@@ -500,6 +512,18 @@ PhysicalMemory::serialize(ostream &os)
     if (gzclose(compressedMem))
         fatal("Close failed on physical memory checkpoint file '%s'\n",
               filename);
+
+    list<LockedAddr>::iterator i = lockedAddrList.begin();
+
+    vector<Addr> lal_addr;
+    vector<int> lal_cid;
+    while (i != lockedAddrList.end()) {
+        lal_addr.push_back(i->addr);
+        lal_cid.push_back(i->contextId);
+        i++;
+    }
+    arrayParamOut(os, "lal_addr", lal_addr);
+    arrayParamOut(os, "lal_cid", lal_cid);
 }
 
 void
@@ -579,6 +603,12 @@ PhysicalMemory::unserialize(Checkpoint *cp, const string &section)
         fatal("Close failed on physical memory checkpoint file '%s'\n",
               filename);
 
+    vector<Addr> lal_addr;
+    vector<int> lal_cid;
+    arrayParamIn(cp, section, "lal_addr", lal_addr);
+    arrayParamIn(cp, section, "lal_cid", lal_cid);
+    for(int i = 0; i < lal_addr.size(); i++)
+        lockedAddrList.push_front(LockedAddr(lal_addr[i], lal_cid[i]));
 }
 
 PhysicalMemory *
diff --git a/src/mem/physical.hh b/src/mem/physical.hh
index 290e2bbae..a19db4d9d 100644
--- a/src/mem/physical.hh
+++ b/src/mem/physical.hh
@@ -105,6 +105,11 @@ class PhysicalMemory : public MemObject
               contextId(req->contextId())
         {
         }
+        // constructor for unserialization use
+        LockedAddr(Addr _addr, int _cid)
+            : addr(_addr), contextId(_cid)
+        {
+        }
     };
 
     std::list<LockedAddr> lockedAddrList;
-- 
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