AbstractCacheEntry.hh revision 6882
1 2/* 3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30/* 31 * $Id$ 32 * 33 * Description: Common base class for a machine node. 34 * 35 */ 36 37#ifndef AbstractCacheEntry_H 38#define AbstractCacheEntry_H 39 40#include "mem/ruby/common/Global.hh" 41#include "mem/ruby/common/Address.hh" 42#include "mem/protocol/AccessPermission.hh" 43#include "mem/ruby/slicc_interface/AbstractEntry.hh" 44 45class DataBlock; 46 47class AbstractCacheEntry : public AbstractEntry { 48public: 49 // Constructors 50 AbstractCacheEntry(); 51 52 // Destructor, prevent it from instantiation 53 virtual ~AbstractCacheEntry() = 0; 54 55 // Data Members (m_ prefix) 56 Address m_Address; // Address of this block, required by CacheMemory 57 Time m_LastRef; // Last time this block was referenced, required by CacheMemory 58 AccessPermission m_Permission; // Access permission for this block, required by CacheMemory 59}; 60 61// Output operator declaration 62ostream& operator<<(ostream& out, const AbstractCacheEntry& obj); 63 64// ******************* Definitions ******************* 65 66// Output operator definition 67extern inline 68ostream& operator<<(ostream& out, const AbstractCacheEntry& obj) 69{ 70 obj.print(out); 71 out << flush; 72 return out; 73} 74 75#endif //AbstractCacheEntry_H 76 77