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authorNathan Binkert <nate@binkert.org>2009-05-11 10:38:43 -0700
committerNathan Binkert <nate@binkert.org>2009-05-11 10:38:43 -0700
commit2f30950143cc70bc42a3c8a4111d7cf8198ec881 (patch)
tree708f6c22edb3c6feb31dd82866c26623a5329580 /src/mem/ruby/slicc_interface/RubySlicc_Util.hh
parentc70241810d4e4f523f173c1646b008dc40faad8e (diff)
downloadgem5-2f30950143cc70bc42a3c8a4111d7cf8198ec881.tar.xz
ruby: Import ruby and slicc from GEMS
We eventually plan to replace the m5 cache hierarchy with the GEMS hierarchy, but for now we will make both live alongside eachother.
Diffstat (limited to 'src/mem/ruby/slicc_interface/RubySlicc_Util.hh')
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1 files changed, 219 insertions, 0 deletions
diff --git a/src/mem/ruby/slicc_interface/RubySlicc_Util.hh b/src/mem/ruby/slicc_interface/RubySlicc_Util.hh
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@@ -0,0 +1,219 @@
+
+/*
+ * 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.
+ */
+
+/*
+ * slicc_util.h
+ *
+ * Description: These are the functions that exported to slicc from ruby.
+ *
+ * $Id$
+ *
+ */
+
+#ifndef SLICC_UTIL_H
+#define SLICC_UTIL_H
+
+#include "Global.hh"
+#include "Address.hh"
+#include "NodeID.hh"
+#include "MachineID.hh"
+#include "RubyConfig.hh"
+#include "CacheMsg.hh"
+#include "GenericRequestType.hh"
+#include "CacheRequestType.hh"
+#include "AccessType.hh"
+#include "MachineType.hh"
+#include "Directory_State.hh"
+#include "L1Cache_State.hh"
+#include "MessageSizeType.hh"
+#include "Network.hh"
+#include "PrefetchBit.hh"
+
+#include "RubySlicc_ComponentMapping.hh"
+
+class Set;
+class NetDest;
+
+extern inline int random(int n)
+{
+ return random() % n;
+}
+
+extern inline bool multicast_retry()
+{
+ if (RANDOMIZATION) {
+ return (random() & 0x1);
+ } else {
+ return true;
+ }
+}
+
+extern inline int cache_state_to_int(L1Cache_State state)
+{
+ return state;
+}
+
+extern inline Time get_time()
+{
+ return g_eventQueue_ptr->getTime();
+}
+
+extern inline Time zero_time()
+{
+ return 0;
+}
+
+extern inline NodeID intToID(int nodenum)
+{
+ NodeID id = nodenum;
+ return id;
+}
+
+extern inline int IDToInt(NodeID id)
+{
+ int nodenum = id;
+ return nodenum;
+}
+
+extern inline int addressToInt(Address addr)
+{
+ return (int) addr.getLineAddress();
+}
+
+extern inline int MessageSizeTypeToInt(MessageSizeType size_type)
+{
+ return MessageSizeType_to_int(size_type);
+}
+
+extern inline int numberOfNodes()
+{
+ return RubyConfig::numberOfChips();
+}
+
+extern inline int numberOfL1CachePerChip()
+{
+ return RubyConfig::numberOfL1CachePerChip();
+}
+
+extern inline bool long_enough_ago(Time event)
+{
+ return ((get_time() - event) > 200);
+}
+
+extern inline int getAddThenMod(int addend1, int addend2, int modulus)
+{
+ return (addend1 + addend2) % modulus;
+}
+
+extern inline Time getTimeModInt(Time time, int modulus)
+{
+ return time % modulus;
+}
+
+extern inline Time getTimePlusInt(Time addend1, int addend2)
+{
+ return (Time) addend1 + addend2;
+}
+
+extern inline Time getTimeMinusTime(Time t1, Time t2)
+{
+ ASSERT(t1 >= t2);
+ return t1 - t2;
+}
+
+extern inline Time getPreviousDelayedCycles(Time t1, Time t2)
+{
+ if (RANDOMIZATION) { // when randomizing delayed
+ return 0;
+ } else {
+ return getTimeMinusTime(t1, t2);
+ }
+}
+
+extern inline void WARN_ERROR_TIME(Time time)
+{
+ WARN_EXPR(time);
+}
+
+// Return type for time_to_int is "Time" and not "int" so we get a 64-bit integer
+extern inline Time time_to_int(Time time)
+{
+ return time;
+}
+
+
+extern inline bool getFilteringEnabled()
+{
+ return g_FILTERING_ENABLED;
+}
+
+extern inline int getRetryThreshold()
+{
+ return g_RETRY_THRESHOLD;
+}
+
+extern inline int getFixedTimeoutLatency()
+{
+ return g_FIXED_TIMEOUT_LATENCY;
+}
+
+extern inline int N_tokens()
+{
+ // return N+1 to handle clean writeback
+ return g_PROCS_PER_CHIP + 1;
+ // return 1;
+}
+
+extern inline bool distributedPersistentEnabled()
+{
+ return g_DISTRIBUTED_PERSISTENT_ENABLED;
+}
+
+extern inline bool getDynamicTimeoutEnabled()
+{
+ return g_DYNAMIC_TIMEOUT_ENABLED;
+}
+
+// Appends an offset to an address
+extern inline Address setOffset(Address addr, int offset)
+{
+ Address result = addr;
+ result.setOffset(offset);
+ return result;
+}
+
+// Makes an address into a line address
+extern inline Address makeLineAddress(Address addr)
+{
+ Address result = addr;
+ result.makeLineAddress();
+ return result;
+}
+
+#endif //SLICC_UTIL_H