prjpeppercorn/libgm/tools/gmpack.cpp

77 lines
2.3 KiB
C++

#include "Bitstream.hpp"
#include "Chip.hpp"
#include "version.hpp"
#include <iostream>
#include <boost/program_options.hpp>
#include <boost/filesystem.hpp>
#include <stdexcept>
#include <streambuf>
#include <fstream>
#include <iomanip>
using namespace std;
int main(int argc, char *argv[])
{
using namespace GateMate;
namespace po = boost::program_options;
po::options_description options("Allowed options");
options.add_options()("help,h", "show help");
options.add_options()("verbose,v", "verbose output");
po::positional_options_description pos;
options.add_options()("input", po::value<std::string>()->required(), "input textual configuration");
pos.add("input", 1);
options.add_options()("bit", po::value<std::string>(), "output bitstream file");
pos.add("bit", 1);
po::variables_map vm;
try {
po::parsed_options parsed = po::command_line_parser(argc, argv).options(options).positional(pos).run();
po::store(parsed, vm);
po::notify(vm);
}
catch (po::required_option& e) {
cerr << "Error: input file is mandatory." << endl << endl;
goto help;
}
catch (std::exception& e) {
cerr << "Error: " << e.what() << endl << endl;
goto help;
}
if (vm.count("help")) {
help:
boost::filesystem::path path(argv[0]);
cerr << "Open Source Tools for GateMate FPGAs Version " << git_describe_str << endl;
cerr << "Copyright (C) 2024 YosysHQ GmbH" << endl;
cerr << endl;
cerr << path.stem().c_str() << ": GateMate bitstream packer" << endl;
cerr << endl;
cerr << "Usage: " << argv[0] << " input.config [output.bit] [options]" << endl;
cerr << endl;
cerr << options << endl;
return vm.count("help") ? 0 : 1;
}
ifstream config_file(vm["input"].as<string>());
if (!config_file) {
cerr << "Failed to open input file" << endl;
return 1;
}
string textcfg((std::istreambuf_iterator<char>(config_file)), std::istreambuf_iterator<char>());
Chip c;
Bitstream b = Bitstream::serialise_chip(c);
if (vm.count("bit")) {
ofstream bit_file(vm["bit"].as<string>(), ios::binary);
if (!bit_file) {
cerr << "Failed to open output file" << endl;
return 1;
}
b.write_bit(bit_file);
}
return 0;
}