m5_reader.hh

来自「linux下基于c++的处理器仿真平台。具有处理器流水线」· HH 代码 · 共 71 行

/*
 * Copyright (c) 2004, 2005
 * The Regents of The University of Michigan
 * All Rights Reserved
 *
 * This code is part of the M5 simulator, developed by Nathan Binkert,
 * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions
 * from Ron Dreslinski, Dave Greene, Lisa Hsu, Kevin Lim, Ali Saidi,
 * and Andrew Schultz.
 *
 * Permission is granted to use, copy, create derivative works and
 * redistribute this software and such derivative works for any
 * purpose, so long as the copyright notice above, this grant of
 * permission, and the disclaimer below appear in all copies made; and
 * so long as the name of The University of Michigan is not used in
 * any advertising or publicity pertaining to the use or distribution
 * of this software without specific, written prior authorization.
 *
 * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
 * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND
 * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE
 * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT,
 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
 * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGES.
 */

/**
 * @file
 * Definition of a memory trace reader for a M5 memory trace.
 */

#ifndef __M5_READER_HH__
#define __M5_READER_HH__

#include <fstream>

#include "cpu/trace/reader/mem_trace_reader.hh"

/**
 * A memory trace reader for an M5 memory trace. @sa M5Writer.
 */
class M5Reader : public MemTraceReader
{
    /** The traceFile. */
    std::ifstream traceFile;

    std::string fn;
    
  public:
    /**
     * Construct an M5 memory trace reader.
     */
    M5Reader(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 The cycle the reference was started.
     */
    virtual Tick getNextReq(MemReqPtr &req);
};

#endif // __M5_READER_HH__