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/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <cstring>
#include <fstream>
#include <list>
#include <string>
#include <vector>
#include "base/misc.hh"
#include "sim/universe.hh"
#include "sim/host.hh"
#include "sim/param.hh"
using namespace std;
Tick curTick = 0;
Tick ticksPerSecond;
double __ticksPerMS;
double __ticksPerUS;
double __ticksPerNS;
double __ticksPerPS;
string outputDirectory;
ostream *outputStream;
class UniverseParamContext : public ParamContext
{
private:
ofstream outputFile;
public:
UniverseParamContext(const string &is) : ParamContext(is) {}
void checkParams();
};
UniverseParamContext universe("Universe");
Param<Tick> universe_freq(&universe, "frequency", "tick frequency",
200000000);
Param<string> universe_output_dir(&universe, "output_dir",
"directory to output data to");
Param<string> universe_output_file(&universe, "output_file",
"file to dump simulator output to");
void
UniverseParamContext::checkParams()
{
ticksPerSecond = universe_freq;
double freq = double(ticksPerSecond);
__ticksPerMS = freq / 1.0e3;
__ticksPerUS = freq / 1.0e6;
__ticksPerNS = freq / 1.0e9;
__ticksPerPS = freq / 1.0e12;
if (universe_output_dir.isValid()) {
outputDirectory = universe_output_dir;
// guarantee that directory ends with a '/'
if (outputDirectory[outputDirectory.size() - 1] != '/')
outputDirectory += "/";
if (mkdir(outputDirectory.c_str(), 0777) < 0) {
if (errno != EEXIST) {
panic("%s\ncould not make output directory: %s\n",
strerror(errno), outputDirectory);
}
}
}
string filename;
if (universe_output_file.isValid()) {
string f = universe_output_file;
if (f != "stdout" && f != "cout" && f != "stderr" && f != "cerr")
filename = outputDirectory + f;
else
filename = f;
} else {
if (outputDirectory.empty())
filename = "stdout";
else
filename = outputDirectory + "output.txt";
}
if (filename == "stdout" || filename == "cout")
outputStream = &cout;
else if (filename == "stderr" || filename == "cerr")
outputStream = &cerr;
else {
outputFile.open(filename.c_str(), ios::trunc);
outputStream = &outputFile;
}
}
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