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/*
* Copyright (c) 2016, Dresden University of Technology (TU Dresden)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER
* 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.
*
* Authors: Christian Menard
*/
#include <iostream>
#include <sstream>
#include "cli_parser.hh"
#include "sim/cxx_manager.hh"
void
CliParser::usage(const std::string& prog_name)
{
std::cerr
<< "Usage: " << prog_name
<< (" <config_file.ini> [ <option> ]\n\n"
"OPTIONS:\n"
" -o <offset> -- set memory offset\n"
" -d <flag> -- set a gem5 debug flag\n"
" (-<flag> clears a flag)\n"
" -v -- verbose output\n"
" -e <ticks> -- end of simulation after a \n"
" given number of ticks\n"
"\n");
std::exit(EXIT_FAILURE);
}
void
CliParser::parse(int argc, char** argv)
{
std::string prog_name(argv[0]);
unsigned int arg_ptr = 1;
if (argc == 1) {
usage(prog_name);
}
configFile = std::string(argv[arg_ptr]);
arg_ptr++;
// default values
verboseFlag = false;
simulationEnd = 0;
memoryOffset = 0;
try {
while (arg_ptr < argc) {
std::string option(argv[arg_ptr]);
arg_ptr++;
unsigned num_args = argc - arg_ptr;
if (option == "-d") {
if (num_args < 1) {
usage(prog_name);
}
std::string flag(argv[arg_ptr]);
arg_ptr++;
debugFlags.push_back(flag);
} else if (option == "-e") {
if (num_args < 1) {
usage(prog_name);
}
std::istringstream(argv[arg_ptr]) >> simulationEnd;
arg_ptr++;
} else if (option == "-v") {
verboseFlag = true;
} else if (option == "-o") {
if (num_args < 1) {
usage(prog_name);
}
std::istringstream(argv[arg_ptr]) >> memoryOffset;
arg_ptr++;
/* code */
} else {
usage(prog_name);
}
}
} catch (CxxConfigManager::Exception &e) {
std::cerr << e.name << ": " << e.message << "\n";
std::exit(EXIT_FAILURE);
}
parsed = true;
}
std::string
CliParser::getDebugFlags()
{
std::stringstream ss;
for (auto& flag : debugFlags) {
ss << flag << ' ';
}
return ss.str();
}
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