2f30950143
We eventually plan to replace the m5 cache hierarchy with the GEMS hierarchy, but for now we will make both live alongside eachother.
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
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/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* $Id$
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*
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* Description: Common base class for a machine node.
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*
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*/
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#ifndef AbstractCacheEntry_H
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#define AbstractCacheEntry_H
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#include "Global.hh"
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#include "Address.hh"
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#include "AccessPermission.hh"
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class AbstractCacheEntry {
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public:
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// Constructors
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AbstractCacheEntry();
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// Destructor, prevent it from instantiation
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virtual ~AbstractCacheEntry() = 0;
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// Public Methods
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// The methods below are those called by ruby runtime, add when it is
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// absolutely necessary and should all be virtual function.
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virtual void print(ostream& out) const = 0;
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// Data Members (m_ prefix)
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Address m_Address; // Address of this block, required by CacheMemory
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Time m_LastRef; // Last time this block was referenced, required by CacheMemory
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AccessPermission m_Permission; // Access permission for this block, required by CacheMemory
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};
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// Output operator declaration
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ostream& operator<<(ostream& out, const AbstractCacheEntry& obj);
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// ******************* Definitions *******************
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// Output operator definition
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extern inline
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ostream& operator<<(ostream& out, const AbstractCacheEntry& obj)
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{
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obj.print(out);
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out << flush;
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return out;
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}
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#endif //AbstractCacheEntry_H
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