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/*
* Copyright (c) 2004-2005 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
*/
/**
* @file
* Definition of a Intel ITX memory trace format reader.
*/
#ifndef __ITX_READER_HH__
#define __ITX_READER_HH__
#include <stdio.h>
#include <string>
#include "cpu/trace/reader/mem_trace_reader.hh"
#include "mem/mem_req.hh"
/**
* A memory trace reader for the Intel ITX memory trace format.
*/
class ITXReader : public MemTraceReader
{
private:
/** Trace file. */
FILE *trace;
bool codeVirtValid;
Addr codeVirtAddr;
bool codePhysValid;
Addr codePhysAddr;
int traceFormat;
enum ITXType {
ITXRead,
ITXWrite,
ITXWriteback,
ITXCode,
ITXCodeComp
};
public:
/**
* Construct an ITXReader.
*/
ITXReader(const std::string &name, const std::string &filename);
/**
* Read the next request from the trace. Returns the request in the
* provided MemReqPtr and the cycle of the request in the return value.
* @param req Return the next request from the trace.
* @return ITX traces don't store timing information, return 0
*/
virtual Tick getNextReq(MemReqPtr &req);
};
#endif //__ITX_READER_HH__
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