/* * 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. *//** * Definitions for a pure virtual interface to a memory trace reader. */#ifndef __MEM_TRACE_READER_HH__#define __MEM_TRACE_READER_HH__#include "sim/sim_object.hh"#include "mem/mem_req.hh" // For MemReqPtr/** * Pure virtual base class for memory trace readers. */class MemTraceReader : public SimObject{  public:    /** Construct this MemoryTrace reader. */    MemTraceReader(const std::string &name) : SimObject(name) {}    /**     * 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 of the request, 0 if none in trace.     */    virtual Tick getNextReq(MemReqPtr &req) = 0;};#endif //__MEM_TRACE_READER_HH__