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diff --git a/src/mem/ruby/system/StoreCache.hh b/src/mem/ruby/system/StoreCache.hh
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+++ b/src/mem/ruby/system/StoreCache.hh
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+
+/*
+ * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ *
+ * Description:
+ *
+ */
+
+#ifndef StoreCache_H
+#define StoreCache_H
+
+#include "Global.hh"
+#include "Address.hh"
+
+
+class DataBlock;
+class SubBlock;
+class StoreCacheEntry;
+
+template <class KEY_TYPE, class VALUE_TYPE> class Map;
+
+class StoreCache {
+public:
+  // Constructors
+  StoreCache();
+
+  // Destructor
+  ~StoreCache();
+
+  // Public Methods
+  void add(const SubBlock& block);
+  void remove(const SubBlock& block);
+  bool check(const SubBlock& block) const;
+  void update(SubBlock& block) const;
+  bool isEmpty() const;
+  int size() const;
+  void print(ostream& out) const;
+
+private:
+  Map<Address, StoreCacheEntry>* m_internal_cache_ptr;
+};
+
+// Output operator declaration
+ostream& operator<<(ostream& out, const StoreCache& obj);
+
+// ******************* Definitions *******************
+
+// Output operator definition
+extern inline
+ostream& operator<<(ostream& out, const StoreCache& obj)
+{
+  obj.print(out);
+  out << flush;
+  return out;
+}
+
+#endif //StoreCache_H