564 lines
22 KiB
C++
564 lines
22 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Claire Xenia Wolf <claire@yosyshq.com>
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* Copyright (C) 2018 Miodrag Milanovic <micko@yosyshq.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.hpp>
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#include <boost/algorithm/string/join.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 <random>
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#include "command.h"
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#include "design_utils.h"
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#include "json_frontend.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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struct no_separator : std::numpunct<char>
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{
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protected:
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virtual string_type do_grouping() const { return "\000"; } // groups of 0 (disable)
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};
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CommandHandler::CommandHandler(int argc, char **argv) : argc(argc), argv(argv)
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{
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try {
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std::locale loc("");
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std::locale::global(std::locale(loc, new no_separator()));
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} catch (const std::runtime_error &e) {
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// the locale is broken in this system, so leave it as it is
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}
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log_streams.clear();
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}
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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 (Version " GIT_DESCRIBE_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 (Version " GIT_DESCRIBE_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()("debug-placer", "debug output from placer only");
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general.add_options()("debug-router", "debug output from router only");
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general.add_options()("threads", po::value<int>(), "number of threads for passes where this is configurable");
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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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general.add_options()("on-failure", po::value<std::vector<std::string>>(),
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"python file to run in event of crash for design introspection");
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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()("top", po::value<std::string>(), "name of top module");
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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()(
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"router", po::value<std::string>(),
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std::string("router algorithm to use; available: " + boost::algorithm::join(Arch::availableRouters, ", ") +
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"; default: " + Arch::defaultRouter)
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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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general.add_options()("sdf", po::value<std::string>(), "SDF delay back-annotation file to write");
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general.add_options()("sdf-cvc", "enable tweaks for SDF file compatibility with the CVC simulator");
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general.add_options()("no-print-critical-path-source",
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"disable printing of the line numbers associated with each net in the critical path");
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general.add_options()("placer-heap-alpha", po::value<float>(), "placer heap alpha value (float, default: 0.1)");
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general.add_options()("placer-heap-beta", po::value<float>(), "placer heap beta value (float, default: 0.9)");
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general.add_options()("placer-heap-critexp", po::value<int>(),
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"placer heap criticality exponent (int, default: 2)");
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general.add_options()("placer-heap-timingweight", po::value<int>(), "placer heap timing weight (int, default: 10)");
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#if !defined(__wasm)
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general.add_options()("parallel-refine", "use new experimental parallelised engine for placement refinement");
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#endif
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general.add_options()("router2-heatmap", po::value<std::string>(),
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"prefix for router2 resource congestion heatmaps");
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general.add_options()("tmg-ripup", "enable experimental timing-driven ripup in router");
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general.add_options()("router2-tmg-ripup",
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"enable experimental timing-driven ripup in router (deprecated; use --tmg-ripup instead)");
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general.add_options()("report", po::value<std::string>(),
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"write timing and utilization report in JSON format to file");
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general.add_options()("detailed-timing-report", "Append detailed net timing data to the JSON report");
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general.add_options()("placed-svg", po::value<std::string>(), "write render of placement to SVG file");
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general.add_options()("routed-svg", po::value<std::string>(), "write render of routing to SVG file");
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return general;
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}
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namespace {
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static CommandHandler *global_command_handler = nullptr;
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void script_terminate_handler()
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{
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if (global_command_handler != nullptr)
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global_command_handler->run_script_hook("on-failure");
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}
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}; // namespace
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void CommandHandler::setupContext(Context *ctx)
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{
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if (ctx->settings.find(ctx->id("seed")) != ctx->settings.end())
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ctx->rngstate = ctx->setting<uint64_t>("seed");
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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("no-print-critical-path-source")) {
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ctx->disable_critical_path_source_print = 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("threads")) {
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ctx->settings[ctx->id("threads")] = vm["threads"].as<int>();
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}
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if (vm.count("randomize-seed")) {
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std::random_device randDev{};
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std::uniform_int_distribution<int> distrib{1};
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ctx->rngseed(distrib(randDev));
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}
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if (vm.count("slack_redist_iter")) {
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ctx->settings[ctx->id("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->settings[ctx->id("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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ctx->settings[ctx->id("timing/ignoreLoops")] = true;
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}
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if (vm.count("timing-allow-fail")) {
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ctx->settings[ctx->id("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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ctx->settings[ctx->id("placer")] = placer;
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}
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if (vm.count("router")) {
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std::string router = vm["router"].as<std::string>();
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if (std::find(Arch::availableRouters.begin(), Arch::availableRouters.end(), router) ==
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Arch::availableRouters.end())
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log_error("Router algorithm '%s' is not supported (available options: %s)\n", router.c_str(),
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boost::algorithm::join(Arch::availableRouters, ", ").c_str());
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ctx->settings[ctx->id("router")] = router;
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}
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if (vm.count("cstrweight")) {
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ctx->settings[ctx->id("placer1/constraintWeight")] = std::to_string(vm["cstrweight"].as<float>());
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}
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if (vm.count("starttemp")) {
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ctx->settings[ctx->id("placer1/startTemp")] = std::to_string(vm["starttemp"].as<float>());
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}
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if (vm.count("placer-budgets")) {
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ctx->settings[ctx->id("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->settings[ctx->id("target_freq")] = std::to_string(freq * 1e6);
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}
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if (vm.count("no-tmdriv"))
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ctx->settings[ctx->id("timing_driven")] = false;
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if (vm.count("placer-heap-alpha"))
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ctx->settings[ctx->id("placerHeap/alpha")] = std::to_string(vm["placer-heap-alpha"].as<float>());
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if (vm.count("placer-heap-beta"))
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ctx->settings[ctx->id("placerHeap/beta")] = std::to_string(vm["placer-heap-beta"].as<float>());
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if (vm.count("placer-heap-critexp"))
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ctx->settings[ctx->id("placerHeap/criticalityExponent")] = std::to_string(vm["placer-heap-critexp"].as<int>());
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if (vm.count("placer-heap-timingweight"))
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ctx->settings[ctx->id("placerHeap/timingWeight")] = std::to_string(vm["placer-heap-timingweight"].as<int>());
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if (vm.count("parallel-refine"))
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ctx->settings[ctx->id("placerHeap/parallelRefine")] = true;
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if (vm.count("router2-heatmap"))
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ctx->settings[ctx->id("router2/heatmap")] = vm["router2-heatmap"].as<std::string>();
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if (vm.count("tmg-ripup") || vm.count("router2-tmg-ripup"))
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ctx->settings[ctx->id("router/tmg_ripup")] = true;
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// Setting default values
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if (ctx->settings.find(ctx->id("target_freq")) == ctx->settings.end())
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ctx->settings[ctx->id("target_freq")] = std::to_string(12e6);
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if (ctx->settings.find(ctx->id("timing_driven")) == ctx->settings.end())
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ctx->settings[ctx->id("timing_driven")] = true;
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if (ctx->settings.find(ctx->id("slack_redist_iter")) == ctx->settings.end())
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ctx->settings[ctx->id("slack_redist_iter")] = 0;
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if (ctx->settings.find(ctx->id("auto_freq")) == ctx->settings.end())
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ctx->settings[ctx->id("auto_freq")] = false;
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if (ctx->settings.find(ctx->id("placer")) == ctx->settings.end())
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ctx->settings[ctx->id("placer")] = Arch::defaultPlacer;
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if (ctx->settings.find(ctx->id("router")) == ctx->settings.end())
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ctx->settings[ctx->id("router")] = Arch::defaultRouter;
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ctx->settings[ctx->id("arch.name")] = std::string(ctx->archId().c_str(ctx));
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ctx->settings[ctx->id("arch.type")] = std::string(ctx->archArgsToId(ctx->archArgs()).c_str(ctx));
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ctx->settings[ctx->id("seed")] = ctx->rngstate;
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if (ctx->settings.find(ctx->id("placerHeap/alpha")) == ctx->settings.end())
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ctx->settings[ctx->id("placerHeap/alpha")] = std::to_string(0.1);
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if (ctx->settings.find(ctx->id("placerHeap/beta")) == ctx->settings.end())
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ctx->settings[ctx->id("placerHeap/beta")] = std::to_string(0.9);
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if (ctx->settings.find(ctx->id("placerHeap/criticalityExponent")) == ctx->settings.end())
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ctx->settings[ctx->id("placerHeap/criticalityExponent")] = std::to_string(2);
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if (ctx->settings.find(ctx->id("placerHeap/timingWeight")) == ctx->settings.end())
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ctx->settings[ctx->id("placerHeap/timingWeight")] = std::to_string(10);
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if (vm.count("detailed-timing-report")) {
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ctx->detailed_timing_report = true;
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}
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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("on-failure")) {
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global_command_handler = this;
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std::set_terminate(script_terminate_handler);
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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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if (vm.count("top")) {
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ctx->settings[ctx->id("frontend/top")] = vm["top"].as<std::string>();
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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(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(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]);
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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 (ctx->design_loaded) {
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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");
|
|
}
|
|
assign_budget(ctx.get());
|
|
ctx->check();
|
|
print_utilisation(ctx.get());
|
|
|
|
if (do_place) {
|
|
run_script_hook("pre-place");
|
|
bool saved_debug = ctx->debug;
|
|
if (vm.count("debug-placer"))
|
|
ctx->debug = true;
|
|
if (!ctx->place() && !ctx->force)
|
|
log_error("Placing design failed.\n");
|
|
ctx->debug = saved_debug;
|
|
ctx->check();
|
|
if (vm.count("placed-svg"))
|
|
ctx->writeSVG(vm["placed-svg"].as<std::string>(), "scale=50 hide_routing");
|
|
}
|
|
|
|
if (do_route) {
|
|
run_script_hook("pre-route");
|
|
bool saved_debug = ctx->debug;
|
|
if (vm.count("debug-router"))
|
|
ctx->debug = true;
|
|
if (!ctx->route() && !ctx->force)
|
|
log_error("Routing design failed.\n");
|
|
ctx->debug = saved_debug;
|
|
run_script_hook("post-route");
|
|
if (vm.count("routed-svg"))
|
|
ctx->writeSVG(vm["routed-svg"].as<std::string>(), "scale=500");
|
|
}
|
|
|
|
customBitstream(ctx.get());
|
|
}
|
|
|
|
if (vm.count("write")) {
|
|
std::string filename = vm["write"].as<std::string>();
|
|
std::ofstream f(filename);
|
|
if (!write_json_file(f, filename, ctx.get()))
|
|
log_error("Saving design failed.\n");
|
|
}
|
|
|
|
if (vm.count("sdf")) {
|
|
std::string filename = vm["sdf"].as<std::string>();
|
|
std::ofstream f(filename);
|
|
if (!f)
|
|
log_error("Failed to open SDF file '%s' for writing.\n", filename.c_str());
|
|
ctx->writeSDF(f, vm.count("sdf-cvc"));
|
|
}
|
|
|
|
if (vm.count("report")) {
|
|
std::string filename = vm["report"].as<std::string>();
|
|
std::ofstream f(filename);
|
|
if (!f)
|
|
log_error("Failed to open report file '%s' for writing.\n", filename.c_str());
|
|
ctx->writeReport(f);
|
|
}
|
|
|
|
#ifndef NO_PYTHON
|
|
deinit_python();
|
|
#endif
|
|
|
|
return had_nonfatal_error ? 1 : 0;
|
|
}
|
|
|
|
void CommandHandler::conflicting_options(const boost::program_options::variables_map &vm, const char *opt1,
|
|
const char *opt2)
|
|
{
|
|
if (vm.count(opt1) && !vm[opt1].defaulted() && vm.count(opt2) && !vm[opt2].defaulted()) {
|
|
std::string msg = "Conflicting options '" + std::string(opt1) + "' and '" + std::string(opt2) + "'.";
|
|
log_error("%s\n", msg.c_str());
|
|
}
|
|
}
|
|
|
|
void CommandHandler::printFooter()
|
|
{
|
|
int warning_count = get_or_default(message_count_by_level, LogLevel::WARNING_MSG, 0),
|
|
error_count = get_or_default(message_count_by_level, LogLevel::ERROR_MSG, 0);
|
|
if (warning_count > 0 || error_count > 0)
|
|
log_always("%d warning%s, %d error%s\n", warning_count, warning_count == 1 ? "" : "s", error_count,
|
|
error_count == 1 ? "" : "s");
|
|
}
|
|
|
|
int CommandHandler::exec()
|
|
{
|
|
try {
|
|
if (!parseOptions())
|
|
return -1;
|
|
|
|
if (executeBeforeContext())
|
|
return 0;
|
|
|
|
dict<std::string, Property> values;
|
|
std::unique_ptr<Context> ctx = createContext(values);
|
|
setupContext(ctx.get());
|
|
setupArchContext(ctx.get());
|
|
int rc = executeMain(std::move(ctx));
|
|
printFooter();
|
|
log_break();
|
|
log_info("Program finished normally.\n");
|
|
return rc;
|
|
} catch (log_execution_error_exception) {
|
|
printFooter();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
void CommandHandler::load_json(Context *ctx, std::string filename)
|
|
{
|
|
setupContext(ctx);
|
|
setupArchContext(ctx);
|
|
{
|
|
std::ifstream f(filename);
|
|
if (!parse_json(f, filename, ctx))
|
|
log_error("Loading design failed.\n");
|
|
}
|
|
}
|
|
|
|
void CommandHandler::clear() { vm.clear(); }
|
|
|
|
void CommandHandler::run_script_hook(const std::string &name)
|
|
{
|
|
#ifndef NO_PYTHON
|
|
if (vm.count(name)) {
|
|
std::vector<std::string> files = vm[name].as<std::vector<std::string>>();
|
|
for (auto filename : files)
|
|
execute_python_file(filename.c_str());
|
|
}
|
|
#endif
|
|
}
|
|
|
|
NEXTPNR_NAMESPACE_END
|