Ruby Sparse Memory: Add function for collating blocks

This patch adds function to the Sparse Memory so that the blocks can be
recorded in a cache trace. The blocks are added to the cache recorder
which can later write them into a file.

1 files changed, 11 insertions, 2 deletions

diff --git a/src/mem/ruby/system/SparseMemory.hh b/src/mem/ruby/system/SparseMemory.hh
index f4cc12f97..e4237dbcd 100644
--- a/src/mem/ruby/system/SparseMemory.hh
+++ b/src/mem/ruby/system/SparseMemory.hh
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2009 Advanced Micro Devices, Inc.
+ * Copyright (c) 2012 Mark D. Hill and David A. Wood
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,9 +33,9 @@
 #include <iostream>
 
 #include "base/hashmap.hh"
-#include "mem/ruby/slicc_interface/AbstractEntry.hh"
 #include "mem/ruby/common/Address.hh"
-#include "mem/ruby/common/Global.hh"
+#include "mem/ruby/recorder/CacheRecorder.hh"
+#include "mem/ruby/slicc_interface/AbstractEntry.hh"
 
 typedef void* SparseMemEntry;
 typedef m5::hash_map<Address, SparseMemEntry> SparseMapType;
@@ -59,6 +60,14 @@ class SparseMemory
     void add(const Address& address, AbstractEntry*);
     void remove(const Address& address);
 
+    /*!
+     * Function for recording the contents of memory. This function walks
+     * through all the levels of the sparse memory in a breadth first
+     * fashion. This might need more memory than a depth first approach.
+     * But breadth first seems easier to me than a depth first approach.
+     */
+    void recordBlocks(int cntrl_id, CacheRecorder *) const;
+
     AbstractEntry* lookup(const Address& address);
 
     // Print cache contents