149 lines
4.7 KiB
C++
149 lines
4.7 KiB
C++
/*
|
|
* Copyright (c) 2002-2004 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;
|
|
ostream *configStream;
|
|
|
|
class UniverseParamContext : public ParamContext
|
|
{
|
|
public:
|
|
UniverseParamContext(const string &is)
|
|
: ParamContext(is, OutputInitPhase) {}
|
|
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",
|
|
"cout");
|
|
Param<string> universe_config_output_file(&universe, "config_output_file",
|
|
"file to dump simulator config to",
|
|
"m5config.out");
|
|
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
outputStream = makeOutputStream(universe_output_file);
|
|
configStream = universe_config_output_file.isValid()
|
|
? makeOutputStream(universe_config_output_file)
|
|
: outputStream;
|
|
}
|
|
|
|
|
|
std::ostream *
|
|
makeOutputStream(std::string &name)
|
|
{
|
|
if (name == "cerr" || name == "stderr")
|
|
return &std::cerr;
|
|
|
|
if (name == "cout" || name == "stdout")
|
|
return &std::cout;
|
|
|
|
string path = (name[0] != '/') ? outputDirectory + name : name;
|
|
|
|
// have to dynamically allocate a stream since we're going to
|
|
// return it... though the caller can't easily free it since it
|
|
// may be cerr or cout. need GC!
|
|
ofstream *s = new ofstream(path.c_str(), ios::trunc);
|
|
|
|
if (!s->is_open())
|
|
fatal("Cannot open file %s", path);
|
|
|
|
return s;
|
|
}
|
|
|
|
|
|
void
|
|
closeOutputStream(std::ostream *os)
|
|
{
|
|
// can't close cerr or cout
|
|
if (os == &std::cerr || os == &std::cout)
|
|
return;
|
|
|
|
// can only close ofstreams, not generic ostreams, so try to
|
|
// downcast and close only if the downcast succeeds
|
|
std::ofstream *ofs = dynamic_cast<std::ofstream *>(os);
|
|
if (ofs)
|
|
ofs->close();
|
|
}
|
|
|
|
|
|
|