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diff --git a/src/mem/ruby/tester/DeterministicDriver.hh b/src/mem/ruby/tester/DeterministicDriver.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 DETERMINISTICDRIVER_H
+#define DETERMINISTICDRIVER_H
+
+#include "Global.hh"
+#include "Driver.hh"
+#include "Histogram.hh"
+#include "CacheRequestType.hh"
+
+class System;
+class SpecifiedGenerator;
+
+class DeterministicDriver : public Driver, public Consumer {
+public:
+  // Constructors
+  DeterministicDriver(System* sys_ptr);
+
+  // Destructor
+  ~DeterministicDriver();
+
+  // Public Methods
+  bool isStoreReady(NodeID node);
+  bool isLoadReady(NodeID node);
+  bool isStoreReady(NodeID node, Address addr);
+  bool isLoadReady(NodeID node, Address addr);
+  void loadCompleted(NodeID node, Address addr);
+  void storeCompleted(NodeID node, Address addr);
+  Address getNextLoadAddr(NodeID node);
+  Address getNextStoreAddr(NodeID node);
+  int getLoadsCompleted() { return m_loads_completed; }
+  int getStoresCompleted() { return m_stores_completed; }
+
+  void reportDone();
+  void recordLoadLatency(Time time);
+  void recordStoreLatency(Time time);
+
+  void hitCallback(NodeID proc, SubBlock& data, CacheRequestType type, int thread);
+  void wakeup();
+  void printStats(ostream& out) const;
+  void clearStats() {}
+  void printConfig(ostream& out) const {}
+
+  void print(ostream& out) const;
+private:
+  // Private Methods
+  void checkForDeadlock();
+
+  Address getNextAddr(NodeID node, Vector<NodeID> addr_vector);
+  bool isAddrReady(NodeID node, Vector<NodeID> addr_vector);
+  bool isAddrReady(NodeID node, Vector<NodeID> addr_vector, Address addr);
+  void setNextAddr(NodeID node, Address addr, Vector<NodeID>& addr_vector);
+
+  // Private copy constructor and assignment operator
+  DeterministicDriver(const DeterministicDriver& obj);
+  DeterministicDriver& operator=(const DeterministicDriver& obj);
+
+  // Data Members (m_ prefix)
+  Vector<Time> m_last_progress_vector;
+  Vector<SpecifiedGenerator*> m_generator_vector;
+  Vector<NodeID> m_load_vector;  // Processor last to load the addr
+  Vector<NodeID> m_store_vector;  // Processor last to store the addr
+
+  int m_done_counter;
+  int m_loads_completed;
+  int m_stores_completed;
+  // enforces the previous node to have a certain # of completions
+  // before next node starts
+  int m_numCompletionsPerNode;
+
+  Histogram m_load_latency;
+  Histogram m_store_latency;
+  Time m_finish_time;
+  Time m_last_issue;
+};
+
+// Output operator declaration
+ostream& operator<<(ostream& out, const DeterministicDriver& obj);
+
+// ******************* Definitions *******************
+
+// Output operator definition
+extern inline
+ostream& operator<<(ostream& out, const DeterministicDriver& obj)
+{
+  obj.print(out);
+  out << flush;
+  return out;
+}
+
+#endif //DETERMINISTICDRIVER_H