df61a1d3ef
Put correct date in copyright headers based on bk changesets
LICENSE:
Updated copyright on license file
README:
Updaded readme to reflect shift to scons and linux support
cpu/trace/reader/ibm_reader.cc:
cpu/trace/reader/ibm_reader.hh:
cpu/trace/reader/itx_reader.cc:
cpu/trace/reader/itx_reader.hh:
cpu/trace/reader/m5_reader.cc:
cpu/trace/reader/m5_reader.hh:
cpu/trace/reader/mem_trace_reader.cc:
cpu/trace/reader/mem_trace_reader.hh:
cpu/trace/trace_cpu.cc:
cpu/trace/trace_cpu.hh:
updated copyright (only changeset in 2004)
kern/kernel_stats.cc:
kern/kernel_stats.hh:
updated copyright
--HG--
extra : convert_revision : 726aed4b38ff4d230c63a570df83c63075b3c76f
120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
/*
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* Copyright (c) 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 IBM memory trace format reader.
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*/
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#include <sstream>
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#include "cpu/trace/reader/ibm_reader.hh"
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#include "sim/builder.hh"
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#include "base/misc.hh" // for fatal
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using namespace std;
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IBMReader::IBMReader(const string &name, const string &filename)
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: MemTraceReader(name)
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{
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if (strcmp((filename.c_str() + filename.length() -3), ".gz") == 0) {
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// Compressed file, need to use a pipe to gzip.
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stringstream buf;
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buf << "gzip -d -c " << filename << endl;
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trace = popen(buf.str().c_str(), "r");
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} else {
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trace = fopen(filename.c_str(), "rb");
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}
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if (!trace) {
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fatal("Can't open file %s", filename);
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}
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}
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Tick
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IBMReader::getNextReq(MemReqPtr &req)
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{
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MemReqPtr tmp_req;
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int c = getc(trace);
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if (c != EOF) {
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tmp_req = new MemReq();
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//int cpu_id = (c & 0xf0) >> 4;
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int type = c & 0x0f;
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// We have L1 miss traces, so all accesses are 128 bytes
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tmp_req->size = 128;
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tmp_req->paddr = 0;
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for (int i = 2; i >= 0; --i) {
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c = getc(trace);
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if (c == EOF) {
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fatal("Unexpected end of file");
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}
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tmp_req->paddr |= ((c & 0xff) << (8 * i));
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}
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tmp_req->paddr = tmp_req->paddr << 7;
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switch(type) {
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case IBM_COND_EXCLUSIVE_FETCH:
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case IBM_READ_ONLY_FETCH:
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tmp_req->cmd = Read;
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break;
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case IBM_EXCLUSIVE_FETCH:
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case IBM_FETCH_NO_DATA:
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tmp_req->cmd = Write;
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break;
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case IBM_INST_FETCH:
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tmp_req->cmd = Read;
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break;
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default:
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fatal("Unknown trace entry type.");
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}
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}
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req = tmp_req;
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return 0;
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(IBMReader)
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Param<string> filename;
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END_DECLARE_SIM_OBJECT_PARAMS(IBMReader)
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BEGIN_INIT_SIM_OBJECT_PARAMS(IBMReader)
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INIT_PARAM(filename, "trace file")
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END_INIT_SIM_OBJECT_PARAMS(IBMReader)
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CREATE_SIM_OBJECT(IBMReader)
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{
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return new IBMReader(getInstanceName(), filename);
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}
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REGISTER_SIM_OBJECT("IBMReader", IBMReader)
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