gem5/cpu/ozone/ea_list.hh
Nathan Binkert 6ff9439afe Cleanup copyright stuff. Add our copyright files that
are ours

arch/alpha/alpha_linux_process.hh:
arch/alpha/alpha_tru64_process.hh:
base/loader/object_file.cc:
base/loader/object_file.hh:
sim/process.cc:
sim/process.hh:
    remove $Id$ string
cpu/ozone/cpu.cc:
cpu/ozone/cpu_impl.hh:
cpu/ozone/ea_list.cc:
cpu/ozone/ea_list.hh:
kern/linux/sched.hh:
kern/linux/thread_info.hh:
    Add M5 Copyright
cpu/trace/opt_cpu.cc:
dev/rtcreg.h:
    nit
kern/linux/aligned.hh:
kern/linux/hwrpb.hh:
util/oprofile-top.py:
util/stats/db.py:
util/stats/dbinit.py:
util/stats/display.py:
util/stats/info.py:
util/stats/print.py:
util/stats/stats.py:
    Cleanup copyright

--HG--
extra : convert_revision : 4274e9121ef7543e0b3999b31e935edb19c54d46
2005-06-05 11:02:38 -04:00

73 lines
2.8 KiB
C++

/*
* Copyright (c) 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.
*/
#ifndef __CPU_EA_LIST_HH__
#define __CPU_EA_LIST_HH__
#include <list>
#include <utility>
#include "arch/alpha/isa_traits.hh"
#include "cpu/inst_seq.hh"
/**
* Simple class to hold onto a list of pairs, each pair having a memory
* instruction's sequence number and effective addr. This list can be used
* for memory disambiguation. However, if I ever want to forward results, I
* may have to use a list that holds DynInstPtrs. Hence this may change in
* the future.
*/
class EAList {
private:
typedef std::pair<InstSeqNum, Addr> instEA;
typedef std::list<instEA>::iterator eaListIt;
typedef std::list<instEA>::const_iterator constEAListIt;
std::list<instEA> eaList;
public:
EAList() { }
~EAList() { }
void addAddr(const InstSeqNum &new_sn, const Addr &new_ea);
void clearAddr(const InstSeqNum &sn_to_clear, const Addr &ea_to_clear);
/** Checks if any instructions older than check_sn have a conflicting
* address with check_ea. Note that this function does not handle the
* sequence number rolling over.
*/
bool checkConflict(const InstSeqNum &check_sn, const Addr &check_ea) const;
void clear();
void commit(const InstSeqNum &commit_sn);
};
#endif // __CPU_EA_LIST_HH__