415 lines
14 KiB
C++
415 lines
14 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com>
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* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef NO_GUI
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#include <QApplication>
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#include "application.h"
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#include "mainwindow.h"
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#endif
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#ifndef NO_PYTHON
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#include "pybindings.h"
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#endif
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#include <boost/algorithm/string/join.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/filesystem/convenience.hpp>
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#include <boost/program_options.hpp>
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#include <fstream>
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#include <iostream>
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#include "command.h"
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#include "design_utils.h"
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#include "jsonparse.h"
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#include "jsonwrite.h"
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#include "log.h"
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#include "timing.h"
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#include "util.h"
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#include "version.h"
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NEXTPNR_NAMESPACE_BEGIN
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CommandHandler::CommandHandler(int argc, char **argv) : argc(argc), argv(argv) { log_streams.clear(); }
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bool CommandHandler::parseOptions()
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{
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options.add(getGeneralOptions()).add(getArchOptions());
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try {
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po::parsed_options parsed =
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po::command_line_parser(argc, argv)
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.style(po::command_line_style::default_style ^ po::command_line_style::allow_guessing)
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.options(options)
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.positional(pos)
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.run();
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po::store(parsed, vm);
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po::notify(vm);
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return true;
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} catch (std::exception &e) {
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std::cout << e.what() << "\n";
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return false;
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}
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}
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bool CommandHandler::executeBeforeContext()
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{
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if (vm.count("help") || argc == 1) {
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std::cerr << boost::filesystem::basename(argv[0])
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<< " -- Next Generation Place and Route (git sha1 " GIT_COMMIT_HASH_STR ")\n";
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std::cerr << options << "\n";
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return argc != 1;
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}
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if (vm.count("version")) {
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std::cerr << boost::filesystem::basename(argv[0])
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<< " -- Next Generation Place and Route (git sha1 " GIT_COMMIT_HASH_STR ")\n";
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return true;
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}
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validate();
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if (vm.count("quiet")) {
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log_streams.push_back(std::make_pair(&std::cerr, LogLevel::WARNING_MSG));
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} else {
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log_streams.push_back(std::make_pair(&std::cerr, LogLevel::LOG_MSG));
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}
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if (vm.count("log")) {
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std::string logfilename = vm["log"].as<std::string>();
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logfile.open(logfilename);
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if (!logfile.is_open())
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log_error("Failed to open log file '%s' for writing.\n", logfilename.c_str());
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log_streams.push_back(std::make_pair(&logfile, LogLevel::LOG_MSG));
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}
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return false;
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}
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po::options_description CommandHandler::getGeneralOptions()
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{
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po::options_description general("General options");
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general.add_options()("help,h", "show help");
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general.add_options()("verbose,v", "verbose output");
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general.add_options()("quiet,q", "quiet mode, only errors and warnings displayed");
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general.add_options()("log,l", po::value<std::string>(),
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"log file, all log messages are written to this file regardless of -q");
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general.add_options()("debug", "debug output");
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general.add_options()("force,f", "keep running after errors");
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#ifndef NO_GUI
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general.add_options()("gui", "start gui");
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general.add_options()("gui-no-aa", "disable anti aliasing (use together with --gui option)");
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#endif
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#ifndef NO_PYTHON
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general.add_options()("run", po::value<std::vector<std::string>>(),
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"python file to execute instead of default flow");
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pos.add("run", -1);
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general.add_options()("pre-pack", po::value<std::vector<std::string>>(), "python file to run before packing");
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general.add_options()("pre-place", po::value<std::vector<std::string>>(), "python file to run before placement");
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general.add_options()("pre-route", po::value<std::vector<std::string>>(), "python file to run before routing");
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general.add_options()("post-route", po::value<std::vector<std::string>>(), "python file to run after routing");
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#endif
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general.add_options()("json", po::value<std::string>(), "JSON design file to ingest");
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general.add_options()("write", po::value<std::string>(), "JSON design file to write");
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general.add_options()("seed", po::value<int>(), "seed value for random number generator");
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general.add_options()("randomize-seed,r", "randomize seed value for random number generator");
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general.add_options()(
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"placer", po::value<std::string>(),
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std::string("placer algorithm to use; available: " + boost::algorithm::join(Arch::availablePlacers, ", ") +
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"; default: " + Arch::defaultPlacer)
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.c_str());
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general.add_options()("slack_redist_iter", po::value<int>(), "number of iterations between slack redistribution");
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general.add_options()("cstrweight", po::value<float>(), "placer weighting for relative constraint satisfaction");
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general.add_options()("starttemp", po::value<float>(), "placer SA start temperature");
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general.add_options()("placer-budgets", "use budget rather than criticality in placer timing weights");
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general.add_options()("pack-only", "pack design only without placement or routing");
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general.add_options()("no-route", "process design without routing");
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general.add_options()("no-place", "process design without placement");
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general.add_options()("no-pack", "process design without packing");
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general.add_options()("ignore-loops", "ignore combinational loops in timing analysis");
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general.add_options()("version,V", "show version");
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general.add_options()("test", "check architecture database integrity");
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general.add_options()("freq", po::value<double>(), "set target frequency for design in MHz");
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general.add_options()("timing-allow-fail", "allow timing to fail in design");
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general.add_options()("no-tmdriv", "disable timing-driven placement");
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return general;
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}
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void CommandHandler::setupContext(Context *ctx)
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{
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if (vm.count("verbose")) {
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ctx->verbose = true;
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}
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if (vm.count("debug")) {
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ctx->verbose = true;
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ctx->debug = true;
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}
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if (vm.count("force")) {
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ctx->force = true;
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}
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if (vm.count("seed")) {
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ctx->rngseed(vm["seed"].as<int>());
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}
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if (vm.count("randomize-seed")) {
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srand(time(NULL));
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int r;
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do {
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r = rand();
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} while (r == 0);
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ctx->rngseed(r);
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}
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if (vm.count("slack_redist_iter")) {
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ctx->slack_redist_iter = vm["slack_redist_iter"].as<int>();
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if (vm.count("freq") && vm["freq"].as<double>() == 0) {
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ctx->auto_freq = true;
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#ifndef NO_GUI
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if (!vm.count("gui"))
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#endif
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log_warning("Target frequency not specified. Will optimise for max frequency.\n");
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}
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}
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if (vm.count("ignore-loops")) {
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settings->set("timing/ignoreLoops", true);
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}
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if (vm.count("timing-allow-fail")) {
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settings->set("timing/allowFail", true);
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}
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if (vm.count("placer")) {
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std::string placer = vm["placer"].as<std::string>();
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if (std::find(Arch::availablePlacers.begin(), Arch::availablePlacers.end(), placer) ==
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Arch::availablePlacers.end())
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log_error("Placer algorithm '%s' is not supported (available options: %s)\n", placer.c_str(),
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boost::algorithm::join(Arch::availablePlacers, ", ").c_str());
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settings->set("placer", placer);
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} else {
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settings->set("placer", Arch::defaultPlacer);
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}
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if (vm.count("cstrweight")) {
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settings->set("placer1/constraintWeight", vm["cstrweight"].as<float>());
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}
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if (vm.count("starttemp")) {
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settings->set("placer1/startTemp", vm["starttemp"].as<float>());
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}
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if (vm.count("placer-budgets")) {
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settings->set("placer1/budgetBased", true);
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}
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if (vm.count("freq")) {
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auto freq = vm["freq"].as<double>();
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if (freq > 0)
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ctx->target_freq = freq * 1e6;
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}
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ctx->timing_driven = true;
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if (vm.count("no-tmdriv"))
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ctx->timing_driven = false;
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settings->set("arch.name", std::string(ctx->archId().c_str(ctx)));
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settings->set("arch.type", std::string(ctx->archArgsToId(ctx->archArgs()).c_str(ctx)));
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settings->set("seed", ctx->rngstate);
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}
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int CommandHandler::executeMain(std::unique_ptr<Context> ctx)
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{
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if (vm.count("test")) {
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ctx->archcheck();
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return 0;
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}
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#ifndef NO_GUI
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if (vm.count("gui")) {
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Application a(argc, argv, (vm.count("gui-no-aa") > 0));
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MainWindow w(std::move(ctx), this);
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try {
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if (vm.count("json")) {
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std::string filename = vm["json"].as<std::string>();
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std::ifstream f(filename);
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if (!parse_json_file(f, filename, w.getContext()))
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log_error("Loading design failed.\n");
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customAfterLoad(w.getContext());
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w.notifyChangeContext();
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w.updateActions();
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} else
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w.notifyChangeContext();
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} catch (log_execution_error_exception) {
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// show error is handled by gui itself
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}
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w.show();
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return a.exec();
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}
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#endif
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if (vm.count("json")) {
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std::string filename = vm["json"].as<std::string>();
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std::ifstream f(filename);
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if (!parse_json_file(f, filename, ctx.get()))
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log_error("Loading design failed.\n");
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customAfterLoad(ctx.get());
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}
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#ifndef NO_PYTHON
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init_python(argv[0], true);
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python_export_global("ctx", *ctx);
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if (vm.count("run")) {
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std::vector<std::string> files = vm["run"].as<std::vector<std::string>>();
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for (auto filename : files)
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execute_python_file(filename.c_str());
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} else
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#endif
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if (vm.count("json")) {
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bool do_pack = vm.count("pack-only")!=0 || vm.count("no-pack")==0;
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bool do_place = vm.count("pack-only")==0 && vm.count("no-place")==0;
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bool do_route = vm.count("pack-only")==0 && vm.count("no-route")==0;
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if (do_pack) {
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run_script_hook("pre-pack");
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if (!ctx->pack() && !ctx->force)
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log_error("Packing design failed.\n");
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}
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assign_budget(ctx.get());
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ctx->check();
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print_utilisation(ctx.get());
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if (do_place) {
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run_script_hook("pre-place");
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if (!ctx->place() && !ctx->force)
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log_error("Placing design failed.\n");
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ctx->check();
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}
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if (do_route) {
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run_script_hook("pre-route");
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if (!ctx->route() && !ctx->force)
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log_error("Routing design failed.\n");
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run_script_hook("post-route");
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}
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customBitstream(ctx.get());
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}
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if (vm.count("write")) {
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std::string filename = vm["write"].as<std::string>();
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std::ofstream f(filename);
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if (!write_json_file(f, filename, ctx.get()))
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log_error("Saving design failed.\n");
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}
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#ifndef NO_PYTHON
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deinit_python();
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#endif
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return had_nonfatal_error ? 1 : 0;
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}
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void CommandHandler::conflicting_options(const boost::program_options::variables_map &vm, const char *opt1,
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const char *opt2)
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{
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if (vm.count(opt1) && !vm[opt1].defaulted() && vm.count(opt2) && !vm[opt2].defaulted()) {
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std::string msg = "Conflicting options '" + std::string(opt1) + "' and '" + std::string(opt2) + "'.";
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log_error("%s\n", msg.c_str());
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}
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}
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void CommandHandler::printFooter()
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{
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int warning_count = get_or_default(message_count_by_level, LogLevel::WARNING_MSG, 0),
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error_count = get_or_default(message_count_by_level, LogLevel::ERROR_MSG, 0);
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if (warning_count > 0 || error_count > 0)
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log_always("%d warning%s, %d error%s\n", warning_count, warning_count == 1 ? "" : "s", error_count,
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error_count == 1 ? "" : "s");
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}
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int CommandHandler::exec()
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{
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try {
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if (!parseOptions())
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return -1;
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if (executeBeforeContext())
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return 0;
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std::unordered_map<std::string,Property> values;
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if (vm.count("json")) {
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std::string filename = vm["json"].as<std::string>();
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std::ifstream f(filename);
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if (!load_json_settings(f, filename, values))
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log_error("Loading design failed.\n");
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}
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std::unique_ptr<Context> ctx = createContext(values);
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settings = std::unique_ptr<Settings>(new Settings(ctx.get()));
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setupContext(ctx.get());
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setupArchContext(ctx.get());
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int rc = executeMain(std::move(ctx));
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printFooter();
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return rc;
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} catch (log_execution_error_exception) {
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printFooter();
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return -1;
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}
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}
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std::unique_ptr<Context> CommandHandler::load_json(std::string filename)
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{
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vm.clear();
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std::unordered_map<std::string,Property> values;
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{
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std::ifstream f(filename);
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if (!load_json_settings(f, filename, values))
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log_error("Loading design failed.\n");
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}
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std::unique_ptr<Context> ctx = createContext(values);
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settings = std::unique_ptr<Settings>(new Settings(ctx.get()));
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setupContext(ctx.get());
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setupArchContext(ctx.get());
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{
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std::ifstream f(filename);
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if (!parse_json_file(f, filename, ctx.get()))
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log_error("Loading design failed.\n");
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}
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customAfterLoad(ctx.get());
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return ctx;
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}
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void CommandHandler::run_script_hook(const std::string &name)
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{
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#ifndef NO_PYTHON
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if (vm.count(name)) {
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std::vector<std::string> files = vm[name].as<std::vector<std::string>>();
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for (auto filename : files)
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execute_python_file(filename.c_str());
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}
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#endif
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}
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NEXTPNR_NAMESPACE_END
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