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diff --git a/src/mem/ruby/common/Global.hh b/src/mem/ruby/common/Global.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.
+ */
+
+/*
+ * $Id$
+ *
+ * */
+
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+#ifdef SINGLE_LEVEL_CACHE
+const bool TWO_LEVEL_CACHE = false;
+#define L1I_CACHE_MEMBER_VARIABLE m_L1Cache_cacheMemory_vec[m_version] // currently all protocols require L1s == nodes
+#define L1D_CACHE_MEMBER_VARIABLE m_L1Cache_cacheMemory_vec[m_version] // "
+#define L2_CACHE_MEMBER_VARIABLE m_L1Cache_cacheMemory_vec[m_version] // "
+#define L2_CACHE_VARIABLE m_L1Cache_cacheMemory_vec
+#else
+const bool TWO_LEVEL_CACHE = true;
+#ifdef IS_CMP
+#define L1I_CACHE_MEMBER_VARIABLE m_L1Cache_L1IcacheMemory_vec[m_version]
+#define L1D_CACHE_MEMBER_VARIABLE m_L1Cache_L1DcacheMemory_vec[m_version]
+#define L2_CACHE_MEMBER_VARIABLE m_L2Cache_L2cacheMemory_vec[m_version]
+#define L2_CACHE_VARIABLE m_L2Cache_L2cacheMemory_vec
+#else  // not IS_CMP
+#define L1I_CACHE_MEMBER_VARIABLE m_L1Cache_L1IcacheMemory_vec[m_version] // currently all protocols require L1s == nodes
+#define L1D_CACHE_MEMBER_VARIABLE m_L1Cache_L1DcacheMemory_vec[m_version] // "
+// #define L2_CACHE_MEMBER_VARIABLE m_L1Cache_L2cacheMemory_vec[m_version] // old exclusive caches don't support L2s != nodes
+#define L2_CACHE_MEMBER_VARIABLE m_L1Cache_cacheMemory_vec[m_version] // old exclusive caches don't support L2s != nodes
+#define L2_CACHE_VARIABLE m_L1Cache_L2cacheMemory_vec
+#endif // IS_CMP
+#endif //SINGLE_LEVEL_CACHE
+
+#define DIRECTORY_MEMBER_VARIABLE m_Directory_directory_vec[m_version]
+#define TBE_TABLE_MEMBER_VARIABLE m_L1Cache_TBEs_vec[m_version]
+
+typedef unsigned char uint8;
+typedef unsigned int uint32;
+typedef unsigned long long uint64;
+
+typedef signed char int8;
+typedef int int32;
+typedef long long int64;
+
+typedef long long integer_t;
+typedef unsigned long long uinteger_t;
+
+typedef int64 Time;
+typedef uint64 physical_address_t;
+typedef uint64 la_t;
+typedef uint64 pa_t;
+typedef integer_t simtime_t;
+
+// external includes for all classes
+#include "std-includes.hh"
+#include "Debug.hh"
+
+// simple type declarations
+typedef Time LogicalTime;
+typedef int64 Index;            // what the address bit ripper returns
+typedef int word;               // one word of a cache line
+typedef unsigned int uint;
+typedef int SwitchID;
+typedef int LinkID;
+
+class EventQueue;
+extern EventQueue* g_eventQueue_ptr;
+
+class System;
+extern System* g_system_ptr;
+
+class Debug;
+extern Debug* g_debug_ptr;
+
+// FIXME:  this is required by the contructor of Directory_Entry.h.  It can't go
+// into slicc_util.h because it opens a can of ugly worms
+extern inline int max_tokens()
+{
+  return 1024;
+}
+
+
+#endif //GLOBAL_H
+