sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge zizzer.eecs.umich.edu:/bk/m5

Browse source 
into ziff.eecs.umich.edu:/z/binkertn/research/m5/merge

--HG--
extra : convert_revision : 5d73046310a64b80a6ba3832df3b30b55532d707
This commit is contained in:
Nathan Binkert 2005-02-11 09:48:23 -05:00
commit 10ee909fbd
12 changed files with 352 additions and 258 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
SConscript
View file

@ -63,6 +63,7 @@ base_sources = Split('''
base/intmath.cc
base/match.cc
base/misc.cc
base/output.cc
base/pollevent.cc
base/python.cc
base/range.cc

5
base/misc.cc
View file

@ -30,10 +30,11 @@
#include <string>
#include "base/cprintf.hh"
#include "sim/host.hh"
#include "base/hostinfo.hh"
#include "base/misc.hh"
#include "base/output.hh"
#include "base/trace.hh"
#include "sim/host.hh"
#include "sim/universe.hh"
using namespace std;
@ -116,7 +117,7 @@ __warn(const string &format, cp::ArgList &args, const char *func,
#endif
args.dump(cerr, fmt);
if (outputStream != &cerr && outputStream != &cout)
if (simout.isFile(*outputStream))
args.dump(*outputStream, fmt);
delete &args;

129
base/output.cc Normal file
View file

@ -0,0 +1,129 @@
/*
* Copyright (c) 2005 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 <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fstream>
#include "base/misc.hh"
#include "base/output.hh"
using namespace std;
OutputDirectory simout;
/**
*
*/
OutputDirectory::OutputDirectory()
{}
OutputDirectory::~OutputDirectory()
{}
void
OutputDirectory::setDirectory(const string &d)
{
if (!dir.empty())
panic("Output directory already set!\n");
dir = d;
if (dir != ".") {
if (mkdir(dir.c_str(), 0777) < 0 && errno != EEXIST)
panic("couldn't make output dir %s: %s\n",
dir, strerror(errno));
}
// guarantee that directory ends with a '/'
if (dir[dir.size() - 1] != '/')
dir += "/";
}
const string &
OutputDirectory::directory()
{
if (dir.empty())
panic("Output directory not set!");
return dir;
}
string
OutputDirectory::resolve(const string &name)
{
return (name[0] != '/') ? dir + name : name;
}
ostream *
OutputDirectory::create(const string &name)
{
if (name == "cerr" || name == "stderr")
return &cerr;
if (name == "cout" || name == "stdout")
return &cout;
ofstream *file = new ofstream(resolve(name).c_str(), ios::trunc);
if (!file->is_open())
panic("Cannot open file %s", name);
return file;
}
ostream *
OutputDirectory::find(const string &name)
{
if (name == "cerr" || name == "stderr")
return &cerr;
if (name == "cout" || name == "stdout")
return &cout;
string filename = resolve(name);
map_t::iterator i = files.find(filename);
if (i != files.end())
return (*i).second;
ofstream *file = new ofstream(filename.c_str(), ios::trunc);
if (!file->is_open())
panic("Cannot open file %s", filename);
files[filename] = file;
return file;
}
bool
OutputDirectory::isFile(const std::ostream *os)
{
return os && os != &cerr && os != &cout;
}

61
base/output.hh Normal file
View file

@ -0,0 +1,61 @@
/*
* Copyright (c) 2005 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.
*/
#ifndef __BASE_OUTPUT_HH__
#define __BASE_OUTPUT_HH__
#include <iosfwd>
#include <map>
#include <string>
class OutputDirectory
{
private:
typedef std::map<std::string, std::ostream *> map_t;
map_t files;
std::string dir;
public:
OutputDirectory();
~OutputDirectory();
void setDirectory(const std::string &dir);
const std::string &directory();
std::string resolve(const std::string &name);
std::ostream *create(const std::string &name);
std::ostream *find(const std::string &name);
static bool isFile(const std::ostream *os);
static inline bool isFile(const std::ostream &os) { return isFile(&os); }
};
extern OutputDirectory simout;
#endif // __BASE_OUTPUT_HH__

9
cpu/base_cpu.cc
View file

@ -26,13 +26,14 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include <string>
#include <sstream>
#include <iostream>
#include "base/cprintf.hh"
#include "base/loader/symtab.hh"
#include "base/misc.hh"
#include "base/output.hh"
#include "cpu/base_cpu.hh"
#include "cpu/exec_context.hh"
#include "sim/param.hh"
@ -132,8 +133,7 @@ BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
functionTracingEnabled = false;
if (_function_trace) {
std::string filename = csprintf("ftrace.%s", name());
functionTraceStream = makeOutputStream(filename);
functionTraceStream = simout.find(csprintf("ftrace.%s", name()));
currentFunctionStart = currentFunctionEnd = 0;
functionEntryTick = _function_trace_start;
@ -157,11 +157,8 @@ BaseCPU::enableFunctionTrace()
BaseCPU::~BaseCPU()
{
if (functionTracingEnabled)
closeOutputStream(functionTraceStream);
}
void
BaseCPU::init()
{

19
dev/etherdump.cc
View file

@ -36,14 +36,15 @@
#include <string>
#include "base/misc.hh"
#include "base/output.hh"
#include "dev/etherdump.hh"
#include "sim/builder.hh"
#include "sim/universe.hh"
using std::string;
EtherDump::EtherDump(const string &name, std::ostream *_stream, int max)
: SimObject(name), stream(_stream), maxlen(max)
EtherDump::EtherDump(const string &name, const string &file, int max)
: SimObject(name), stream(file.c_str()), maxlen(max)
{
}
@ -86,7 +87,7 @@ EtherDump::init()
hdr.sigfigs = 0;
hdr.linktype = DLT_EN10MB;
stream->write(reinterpret_cast<char *>(&hdr), sizeof(hdr));
stream.write(reinterpret_cast<char *>(&hdr), sizeof(hdr));
/*
* output an empty packet with the current time so that we know
@ -98,9 +99,9 @@ EtherDump::init()
pkthdr.microseconds = 0;
pkthdr.caplen = 0;
pkthdr.len = 0;
stream->write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
stream->flush();
stream.flush();
}
void
@ -111,9 +112,9 @@ EtherDump::dumpPacket(PacketPtr &packet)
pkthdr.microseconds = (curTick / us_freq) % ULL(1000000);
pkthdr.caplen = std::min(packet->length, maxlen);
pkthdr.len = packet->length;
stream->write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
stream->write(reinterpret_cast<char *>(packet->data), pkthdr.caplen);
stream->flush();
stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
stream.write(reinterpret_cast<char *>(packet->data), pkthdr.caplen);
stream.flush();
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
@ -132,7 +133,7 @@ END_INIT_SIM_OBJECT_PARAMS(EtherDump)
CREATE_SIM_OBJECT(EtherDump)
{
return new EtherDump(getInstanceName(), makeOutputStream(file), maxlen);
return new EtherDump(getInstanceName(), simout.resolve(file), maxlen);
}
REGISTER_SIM_OBJECT("EtherDump", EtherDump)

4
dev/etherdump.hh
View file

@ -43,7 +43,7 @@
class EtherDump : public SimObject
{
private:
std::ostream *stream;
std::ofstream stream;
const int maxlen;
void dumpPacket(PacketPtr &packet);
void init();
@ -53,7 +53,7 @@ class EtherDump : public SimObject
Tick us_freq;
public:
EtherDump(const std::string &name, std::ostream *_stream, int max);
EtherDump(const std::string &name, const std::string &file, int max);
inline void dump(PacketPtr &pkt) { dumpPacket(pkt); }
};

21
dev/simconsole.cc
View file

@ -43,6 +43,7 @@
#include <string>
#include "base/misc.hh"
#include "base/output.hh"
#include "base/socket.hh"
#include "base/trace.hh"
#include "dev/platform.hh"
@ -71,7 +72,7 @@ SimConsole::Event::process(int revent)
cons->detach();
}
SimConsole::SimConsole(const string &name, std::ostream *os, int num)
SimConsole::SimConsole(const string &name, ostream *os, int num)
: SimObject(name), event(NULL), number(num), in_fd(-1), out_fd(-1),
listener(NULL), txbuf(16384), rxbuf(16384), outfile(os)
#if TRACING_ON == 1
@ -85,8 +86,6 @@ SimConsole::SimConsole(const string &name, std::ostream *os, int num)
SimConsole::~SimConsole()
{
close();
if (outfile)
closeOutputStream(outfile);
}
void
@ -313,18 +312,16 @@ END_INIT_SIM_OBJECT_PARAMS(SimConsole)
CREATE_SIM_OBJECT(SimConsole)
{
string filename;
string filename = output;
ostream *stream = NULL;
if (filename.empty()) {
filename = getInstanceName();
} else if (append_name) {
filename = (string)output + "." + getInstanceName();
} else {
filename = output;
if (!filename.empty()) {
if (append_name)
filename += "." + getInstanceName();
stream = simout.find(filename);
}
SimConsole *console = new SimConsole(getInstanceName(),
makeOutputStream(filename), number);
SimConsole *console = new SimConsole(getInstanceName(), stream, number);
((ConsoleListener *)listener)->add(console);
return console;

3
objects/Root.mpy
View file

@ -6,10 +6,7 @@ from Trace import Trace
simobj Root(SimObject):
type = 'Root'
frequency = Param.Tick(200000000, "tick frequency")
output_dir = Param.String('.', "directory to output data to")
output_file = Param.String('cout', "file to dump simulator output to")
config_output_file = Param.String('m5config.out',
"file to dump simulator config to")
full_system = Param.Bool("Full system simulation?")
hier = HierParams(do_data = False, do_events = True)
checkpoint = Param.String('', "Checkpoint file")

259
sim/main.cc
View file

@ -42,6 +42,7 @@
#include "base/embedfile.hh"
#include "base/inifile.hh"
#include "base/misc.hh"
#include "base/output.hh"
#include "base/pollevent.hh"
#include "base/statistics.hh"
#include "base/str.hh"
@ -109,25 +110,32 @@ abortHandler(int sigtype)
const char *myProgName = "";
/// Show brief help message.
static void
void
showBriefHelp(ostream &out)
{
out << "Usage: " << myProgName
<< " [-hnu] [-Dname[=def]] [-Uname] [-I[dir]] "
<< "<config-spec> [<config-spec> ...]\n"
<< "[] [<config file> ...]\n"
<< " -h: print long help (including parameter listing)\n"
<< " -u: don't quit on unreferenced parameters\n"
<< " -D,-U,-I: passed to cpp for preprocessing .ini files\n"
<< " <config-spec>: config file name (.ini or .py) or\n"
<< " single param (--<section>:<param>=<value>)"
<< endl;
char *prog = basename(myProgName);
ccprintf(out, "Usage:\n");
ccprintf(out,
"%s [-d <dir>] [-E <var>[=<val>]] [-I <dir>] [-P <python>]\n"
" [--<var>=<val>] <config file>\n"
"\n"
" -d set the output directory to <dir>\n"
" -E set the environment variable <var> to <val> (or 'True')\n"
" -I add the directory <dir> to python's path\n"
" -P execute <python> directly in the configuration\n"
" --var=val set the python variable <var> to '<val>'\n"
" <configfile> config file name (.py or .mpy)\n",
prog);
ccprintf(out, "%s -X\n -X extract embedded files\n", prog);
ccprintf(out, "%s -h\n -h print long help\n", prog);
}
/// Show verbose help message. Includes parameter listing from
/// showBriefHelp(), plus an exhaustive list of ini-file parameters
/// and SimObjects (with their parameters).
static void
void
showLongHelp(ostream &out)
{
showBriefHelp(out);
@ -152,7 +160,7 @@ showLongHelp(ostream &out)
}
/// Print welcome message.
static void
void
sayHello(ostream &out)
{
extern const char *compileDate; // from date.cc
@ -176,7 +184,7 @@ sayHello(ostream &out)
/// Echo the command line for posterity in such a way that it can be
/// used to rerun the same simulation (given the same .ini files).
///
static void
void
echoCommandLine(int argc, char **argv, ostream &out)
{
out << "command line: " << argv[0];
@ -208,16 +216,20 @@ echoCommandLine(int argc, char **argv, ostream &out)
out << endl << endl;
}
char *
getOptionString(int &index, int argc, char **argv)
{
char *option = argv[index] + 2;
if (*option != '\0')
return option;
///
/// The simulator configuration database. This is the union of all
/// specified .ini files. This shouldn't need to be visible outside
/// this file, as it is passed as a parameter to all the param-parsing
/// routines.
///
static IniFile simConfigDB;
// We didn't find an argument, it must be in the next variable.
if (++index >= argc)
panic("option string for option '%s' not found", argv[index - 1]);
return argv[index];
}
/// M5 entry point.
int
main(int argc, char **argv)
{
@ -233,18 +245,9 @@ main(int argc, char **argv)
sayHello(cerr);
// Initialize statistics database
Stats::InitSimStats();
vector<char *> cppArgs;
// Should we quit if there are unreferenced parameters? By
// default, yes... it's a good way of catching typos in
// section/parameter names (which otherwise go by silently). Use
// -u to override.
bool quitOnUnreferenced = true;
bool python_initialized = false;
bool configfile_found = false;
PythonConfig pyconfig;
string outdir;
// Parse command-line options.
// Since most of the complex options are handled through the
@ -253,12 +256,53 @@ main(int argc, char **argv)
for (int i = 1; i < argc; ++i) {
char *arg_str = argv[i];
// if arg starts with '-', parse as option,
// else treat it as a configuration file name and load it
if (arg_str[0] == '-') {
// if arg starts with '--', parse as a special python option
// of the format --<python var>=<string value>, if the arg
// starts with '-', it should be a simulator option with a
// format similar to getopt. In any other case, treat the
// option as a configuration file name and load it.
if (arg_str[0] == '-' && arg_str[1] == '-') {
string str = &arg_str[2];
string var, val;
if (!split_first(str, var, val, '='))
panic("Could not parse configuration argument '%s'\n"
"Expecting --<variable>=<value>\n", arg_str);
pyconfig.setVariable(var, val);
} else if (arg_str[0] == '-') {
char *option;
string var, val;
// switch on second char
switch (arg_str[1]) {
case 'd':
outdir = getOptionString(i, argc, argv);
break;
case 'h':
showLongHelp(cerr);
exit(1);
case 'E':
option = getOptionString(i, argc, argv);
if (!split_first(option, var, val, '='))
val = "True";
if (setenv(var.c_str(), val.c_str(), true) == -1)
panic("setenv: %s\n", strerror(errno));
break;
case 'I':
option = getOptionString(i, argc, argv);
pyconfig.addPath(option);
break;
case 'P':
option = getOptionString(i, argc, argv);
pyconfig.writeLine(option);
break;
case 'X': {
list<EmbedFile> lst;
EmbedMap::all(lst);
@ -274,124 +318,58 @@ main(int argc, char **argv)
return 0;
}
case 'h':
// -h: show help
showLongHelp(cerr);
exit(1);
case 'u':
// -u: don't quit on unreferenced parameters
quitOnUnreferenced = false;
break;
case 'D':
case 'U':
// cpp options: record & pass to cpp. Note that these
// cannot have spaces, i.e., '-Dname=val' is OK, but
// '-D name=val' is not. I don't consider this a
// problem, since even though gnu cpp accepts the
// latter, other cpp implementations do not (Tru64,
// for one).
cppArgs.push_back(arg_str);
break;
case 'I': {
// We push -I as an argument to cpp
cppArgs.push_back(arg_str);
string arg = arg_str + 2;
eat_white(arg);
// Send this as the python path
addPythonPath(arg);
} break;
case 'P':
if (!python_initialized) {
initPythonConfig();
python_initialized = true;
}
writePythonString(arg_str + 2);
writePythonString("\n");
case 'E':
if (putenv(arg_str + 2) == -1)
panic("putenv: %s\n", strerror(errno));
break;
case '-':
// command-line configuration parameter:
// '--<section>:<parameter>=<value>'
if (!simConfigDB.add(arg_str + 2)) {
// parse error
ccprintf(cerr,
"Could not parse configuration argument '%s'\n"
"Expecting --<section>:<parameter>=<value>\n",
arg_str);
exit(0);
}
break;
default:
showBriefHelp(cerr);
ccprintf(cerr, "Fatal: invalid argument '%s'\n", arg_str);
exit(0);
panic("invalid argument '%s'\n", arg_str);
}
}
else {
// no '-', treat as config file name
} else {
string file(arg_str);
string base, ext;
// make STL string out of file name
string filename(arg_str);
if (!split_last(file, base, ext, '.') ||
ext != "py" && ext != "mpy")
panic("Config file '%s' must end in '.py' or '.mpy'\n", file);
int ext_loc = filename.rfind(".");
string ext =
(ext_loc != string::npos) ? filename.substr(ext_loc) : "";
if (ext == ".ini") {
if (!simConfigDB.loadCPP(filename, cppArgs)) {
cprintf("Error processing file %s\n", filename);
exit(1);
}
} else if (ext == ".py" || ext == ".mpy") {
if (!python_initialized) {
initPythonConfig();
python_initialized = true;
}
loadPythonConfig(filename);
}
else {
cprintf("Config file name '%s' must end in '.py' or '.ini'.\n",
filename);
exit(1);
}
pyconfig.load(file);
configfile_found = true;
}
}
if (python_initialized && !finishPythonConfig(simConfigDB)) {
cprintf("Error processing python code\n");
exit(1);
if (outdir.empty()) {
char *env = getenv("OUTPUT_DIR");
outdir = env ? env : ".";
}
simout.setDirectory(outdir);
char *env = getenv("CONFIG_OUTPUT");
if (!env)
env = "config.out";
configStream = simout.find(env);
if (!configfile_found)
panic("no configuration file specified!");
// The configuration database is now complete; start processing it.
IniFile inifile;
if (!pyconfig.output(inifile))
panic("Error processing python code");
// Parse and check all non-config-hierarchy parameters.
ParamContext::parseAllContexts(simConfigDB);
ParamContext::checkAllContexts();
// Print header info into stats file. Can't do this sooner since
// the stat file name is set via a .ini param... thus it just got
// opened above during ParamContext::checkAllContexts().
// Initialize statistics database
Stats::InitSimStats();
// Now process the configuration hierarchy and create the SimObjects.
ConfigHierarchy configHierarchy(simConfigDB);
ConfigHierarchy configHierarchy(inifile);
configHierarchy.build();
configHierarchy.createSimObjects();
// Parse and check all non-config-hierarchy parameters.
ParamContext::parseAllContexts(inifile);
ParamContext::checkAllContexts();
// Print hello message to stats file if it's actually a file. If
// it's not (i.e. it's cout or cerr) then we already did it above.
if (outputStream != &cout && outputStream != &cerr)
if (simout.isFile(*outputStream))
sayHello(*outputStream);
// Echo command line and all parameter settings to stats file as well.
@ -406,13 +384,8 @@ main(int argc, char **argv)
// Done processing the configuration database.
// Check for unreferenced entries.
if (simConfigDB.printUnreferenced() && quitOnUnreferenced) {
cerr << "Fatal: unreferenced .ini sections/entries." << endl
<< "If this is not an error, add 'unref_section_ok=y' or "
<< "'unref_entries_ok=y' to the appropriate sections "
<< "to suppress this message." << endl;
exit(1);
}
if (inifile.printUnreferenced())
panic("unreferenced sections/entries in the intermediate ini file");
SimObject::regAllStats();

3
sim/serialize.cc
View file

@ -38,6 +38,7 @@
#include "base/inifile.hh"
#include "base/misc.hh"
#include "base/output.hh"
#include "base/str.hh"
#include "base/trace.hh"
#include "sim/config_node.hh"
@ -333,7 +334,7 @@ SerializeParamContext::~SerializeParamContext()
void
SerializeParamContext::checkParams()
{
checkpointDirBase = outputDirectory + (string)serialize_dir;
checkpointDirBase = simout.resolve(serialize_dir);
// guarantee that directory ends with a '/'
if (checkpointDirBase[checkpointDirBase.size() - 1] != '/')

96
sim/universe.cc
View file

@ -26,10 +26,6 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <cstring>
#include <fstream>
#include <list>
@ -37,6 +33,7 @@
#include <vector>
#include "base/misc.hh"
#include "base/output.hh"
#include "sim/builder.hh"
#include "sim/host.hh"
#include "sim/sim_object.hh"
@ -51,7 +48,7 @@ double __ticksPerUS;
double __ticksPerNS;
double __ticksPerPS;
string outputDirectory;
bool fullSystem;
ostream *outputStream;
ostream *configStream;
@ -61,81 +58,40 @@ class Root : public SimObject
public:
Root(const std::string &name) : SimObject(name) {}
};
Root *root = NULL;
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();
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(Root)
Param<bool> full_system;
Param<Tick> frequency;
Param<string> output_dir;
Param<string> output_file;
Param<string> config_output_file;
END_DECLARE_SIM_OBJECT_PARAMS(Root)
BEGIN_INIT_SIM_OBJECT_PARAMS(Root)
INIT_PARAM_DFLT(full_system, "full system simulation", true),
INIT_PARAM_DFLT(frequency, "tick frequency", 200000000),
INIT_PARAM_DFLT(output_dir, "directory to output data to", "."),
INIT_PARAM_DFLT(output_file, "file to dump simulator output to", "cout"),
INIT_PARAM_DFLT(config_output_file, "file to dump simulator config to",
"m5config.out")
INIT_PARAM(full_system, "full system simulation"),
INIT_PARAM(frequency, "tick frequency"),
INIT_PARAM(output_file, "file to dump simulator output to")
END_INIT_SIM_OBJECT_PARAMS(Root)
CREATE_SIM_OBJECT(Root)
{
static bool created = false;
if (created)
panic("only one root object allowed!");
created = true;
fullSystem = full_system;
#ifdef FULL_SYSTEM
if (!bool(full_system))
if (!fullSystem)
panic("FULL_SYSTEM compiled and configuration not full_system");
#else
if (bool(full_system))
if (fullSystem)
panic("FULL_SYSTEM not compiled but configuration is full_system");
#endif
if (root)
panic("only one root object allowed!");
root = new Root(getInstanceName());
ticksPerSecond = frequency;
double freq = double(ticksPerSecond);
__ticksPerMS = freq / 1.0e3;
@ -143,29 +99,9 @@ CREATE_SIM_OBJECT(Root)
__ticksPerNS = freq / 1.0e9;
__ticksPerPS = freq / 1.0e12;
outputDirectory = output_dir;
if (!outputDirectory.empty()) {
outputDirectory = output_dir;
outputStream = simout.find(output_file);
// 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(output_file);
configStream = outputStream;
string cof = config_output_file;
if (!cof.empty())
configStream = makeOutputStream(cof);
return root;
return new Root(getInstanceName());
}
REGISTER_SIM_OBJECT("Root", Root)