LRUPolicy.hh revision 11061
16145SN/A/* 26145SN/A * Copyright (c) 2007 Mark D. Hill and David A. Wood 36145SN/A * All rights reserved. 46145SN/A * 56145SN/A * Redistribution and use in source and binary forms, with or without 66145SN/A * modification, are permitted provided that the following conditions are 76145SN/A * met: redistributions of source code must retain the above copyright 86145SN/A * notice, this list of conditions and the following disclaimer; 96145SN/A * redistributions in binary form must reproduce the above copyright 106145SN/A * notice, this list of conditions and the following disclaimer in the 116145SN/A * documentation and/or other materials provided with the distribution; 126145SN/A * neither the name of the copyright holders nor the names of its 136145SN/A * contributors may be used to endorse or promote products derived from 146145SN/A * this software without specific prior written permission. 156145SN/A * 166145SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145SN/A */ 286145SN/A 297832SN/A#ifndef __MEM_RUBY_STRUCTURES_LRUPOLICY_HH__ 307832SN/A#define __MEM_RUBY_STRUCTURES_LRUPOLICY_HH__ 319356Snilay@cs.wisc.edu 328232SN/A#include "mem/ruby/structures/AbstractReplacementPolicy.hh" 336154SN/A#include "params/LRUReplacementPolicy.hh" 347054SN/A 358257SBrad.Beckmann@amd.com/* Simple true LRU replacement policy */ 368255SBrad.Beckmann@amd.com 377054SN/Aclass LRUPolicy : public AbstractReplacementPolicy 386145SN/A{ 397055SN/A public: 407055SN/A typedef LRUReplacementPolicyParams Params; 417054SN/A LRUPolicy(const Params * p); 428257SBrad.Beckmann@amd.com ~LRUPolicy(); 436145SN/A 446145SN/A void touch(int64_t set, int64_t way, Tick time); 456145SN/A int64_t getVictim(int64_t set) const; 466145SN/A}; 476145SN/A 486145SN/A#endif // __MEM_RUBY_STRUCTURES_LRUPOLICY_HH__ 496145SN/A