AbstractEntry.hh revision 8645:89929730804b
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef __MEM_RUBY_SLICC_INTERFACE_ABSTRACTENTRY_HH__ 30#define __MEM_RUBY_SLICC_INTERFACE_ABSTRACTENTRY_HH__ 31 32#include <iostream> 33 34#include "mem/protocol/AccessPermission.hh" 35 36class DataBlock; 37 38class AbstractEntry 39{ 40 public: 41 AbstractEntry(); 42 virtual ~AbstractEntry() = 0; 43 44 // Get/Set permission of the entry 45 AccessPermission getPermission() const; 46 void changePermission(AccessPermission new_perm); 47 48 // The methods below are those called by ruby runtime, add when it 49 // is absolutely necessary and should all be virtual function. 50 virtual DataBlock& getDataBlk() = 0; 51 52 virtual void print(std::ostream& out) const = 0; 53 54 AccessPermission m_Permission; // Access permission for this 55 // block, required by CacheMemory 56}; 57 58inline std::ostream& 59operator<<(std::ostream& out, const AbstractEntry& obj) 60{ 61 obj.print(out); 62 out << std::flush; 63 return out; 64} 65 66#endif // __MEM_RUBY_SLICC_INTERFACE_ABSTRACTENTRY_HH__ 67