57 lines
2.3 KiB
C++
57 lines
2.3 KiB
C++
/*
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* Copyright (c) 2003-2004 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* Definitions for a pure virtual interface to a memory trace reader.
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*/
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#ifndef __MEM_TRACE_READER_HH__
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#define __MEM_TRACE_READER_HH__
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#include "sim/sim_object.hh"
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#include "mem/mem_req.hh" // For MemReqPtr
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/**
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* Pure virtual base class for memory trace readers.
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*/
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class MemTraceReader : public SimObject
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{
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public:
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/** Construct this MemoryTrace reader. */
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MemTraceReader(const std::string &name) : SimObject(name) {}
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/**
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* Read the next request from the trace. Returns the request in the
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* provided MemReqPtr and the cycle of the request in the return value.
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* @param req Return the next request from the trace.
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* @return The cycle of the request, 0 if none in trace.
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*/
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virtual Tick getNextReq(MemReqPtr &req) = 0;
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};
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#endif //__MEM_TRACE_READER_HH__
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