diff options
Diffstat (limited to 'util/tlm/examples/common/cli_parser.cc')
-rw-r--r-- | util/tlm/examples/common/cli_parser.cc | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/util/tlm/examples/common/cli_parser.cc b/util/tlm/examples/common/cli_parser.cc new file mode 100644 index 000000000..b86e99fb8 --- /dev/null +++ b/util/tlm/examples/common/cli_parser.cc @@ -0,0 +1,126 @@ +/* + * 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(); +} |