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Diffstat (limited to 'src/mem/cache/tags/iic_repl/repl.hh')
-rw-r--r-- | src/mem/cache/tags/iic_repl/repl.hh | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/mem/cache/tags/iic_repl/repl.hh b/src/mem/cache/tags/iic_repl/repl.hh deleted file mode 100644 index dd25842a0..000000000 --- a/src/mem/cache/tags/iic_repl/repl.hh +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright (c) 2002-2005 The Regents of The University of Michigan - * 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. - * - * Authors: Erik Hallnor - * Steve Reinhardt - * Nathan Binkert - */ - -/** - * @file - * Declaration of a base replacement policy class. - */ - -#ifndef __REPL_HH__ -#define __REPL_HH__ - -#include <list> -#include <string> - -#include "base/types.hh" -#include "cpu/smt.hh" -#include "sim/sim_object.hh" - -class IIC; - -/** - * A pure virtual base class that defines the interface of a replacement - * policy. - */ -class Repl : public SimObject -{ - public: - /** Pointer to the IIC using this policy. */ - IIC *iic; - - Repl (const Params *params) - : SimObject(params) - { - iic = NULL; - } - - /** - * Set the back pointer to the IIC. - * @param iic_ptr Pointer to the IIC. - */ - void setIIC(IIC *iic_ptr) - { - iic = iic_ptr; - } - - /** - * Returns the tag pointer of the cache block to replace. - * @return The tag to replace. - */ - virtual unsigned long getRepl() = 0; - - /** - * Update replacement data - */ - virtual void doAdvance(std::list<unsigned long> &demoted) = 0; - - /** - * Add a tag to the replacement policy and return a pointer to the - * replacement entry. - * @param tag_index The tag to add. - * @return The replacement entry. - */ - virtual void* add(unsigned long tag_index) = 0; - - /** - * Register statistics. - * @param name The name to prepend to statistic descriptions. - */ - virtual void regStatsWithSuffix(const std::string name) = 0; - - /** - * Update the tag pointer to when the tag moves. - * @param re The replacement entry of the tag. - * @param old_index The old tag pointer. - * @param new_index The new tag pointer. - * @return 1 if successful, 0 otherwise. - */ - virtual int fixTag(void *re, unsigned long old_index, - unsigned long new_index) = 0; - - /** - * Remove this entry from the replacement policy. - * @param re The replacement entry to remove - */ - virtual void removeEntry(void *re) = 0; -}; - -#endif /* SMT_REPL_HH */ |