e7c7c92184
cpu/trace/reader/m5_reader.cc:
Add thread num.
cpu/trace/trace_cpu.cc:
Increase thread count to 4, might want to make this a parameter (but it only really costs us storage).
--HG--
extra : convert_revision : 97cd7843668a3ef85aad06e3180dc04d2ca30ac1
95 lines
3.1 KiB
C++
95 lines
3.1 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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* @file
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* Declaration of a memory trace reader for a M5 memory trace.
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*/
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#include "cpu/trace/reader/m5_reader.hh"
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#include "mem/trace/m5_format.hh"
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#include "mem/mem_cmd.hh"
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#include "sim/builder.hh"
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using namespace std;
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M5Reader::M5Reader(const string &name, const string &filename)
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: MemTraceReader(name)
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{
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traceFile.open(filename.c_str(), ios::binary);
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}
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Tick
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M5Reader::getNextReq(MemReqPtr &req)
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{
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M5Format ref;
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MemReqPtr tmp_req;
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// Need to read EOF char before eof() will return true.
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traceFile.read((char*) &ref, sizeof(ref));
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if (!traceFile.eof()) {
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//traceFile.read((char*) &ref, sizeof(ref));
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int gcount = traceFile.gcount();
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assert(gcount != 0 || traceFile.eof());
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assert(gcount == sizeof(ref));
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assert(ref.cmd < 12);
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tmp_req = new MemReq();
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tmp_req->paddr = ref.paddr;
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tmp_req->asid = ref.asid;
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// Assume asid == thread_num
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tmp_req->thread_num = ref.asid;
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tmp_req->cmd = (MemCmdEnum)ref.cmd;
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tmp_req->size = ref.size;
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tmp_req->dest = ref.dest;
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} else {
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ref.cycle = 0;
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}
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req = tmp_req;
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return ref.cycle;
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(M5Reader)
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Param<string> filename;
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END_DECLARE_SIM_OBJECT_PARAMS(M5Reader)
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BEGIN_INIT_SIM_OBJECT_PARAMS(M5Reader)
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INIT_PARAM(filename, "trace file")
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END_INIT_SIM_OBJECT_PARAMS(M5Reader)
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CREATE_SIM_OBJECT(M5Reader)
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{
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return new M5Reader(getInstanceName(), filename);
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}
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REGISTER_SIM_OBJECT("M5Reader", M5Reader)
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