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+/*
+ * nextpnr -- Next Generation Place and Route
+ *
+ * Copyright (C) 2018 Claire Wolf <claire@symbioticeda.com>
+ * Copyright (C) 2020 Pepijn de Vos <pepijn@symbioticeda.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifdef MAIN_EXECUTABLE
+
+#include <fstream>
+#include <regex>
+#include "command.h"
+#include "design_utils.h"
+#include "log.h"
+#include "timing.h"
+
+USING_NEXTPNR_NAMESPACE
+
+class GowinCommandHandler : public CommandHandler
+{
+ public:
+ GowinCommandHandler(int argc, char **argv);
+ virtual ~GowinCommandHandler(){};
+ std::unique_ptr<Context> createContext(std::unordered_map<std::string, Property> &values) override;
+ void setupArchContext(Context *ctx) override{};
+ void customAfterLoad(Context *ctx) override;
+
+ protected:
+ po::options_description getArchOptions() override;
+};
+
+GowinCommandHandler::GowinCommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {}
+
+po::options_description GowinCommandHandler::getArchOptions()
+{
+ po::options_description specific("Architecture specific options");
+ specific.add_options()("device", po::value<std::string>(), "device name");
+ specific.add_options()("cst", po::value<std::string>(), "physical constraints file");
+ return specific;
+}
+
+std::unique_ptr<Context> GowinCommandHandler::createContext(std::unordered_map<std::string, Property> &values)
+{
+ std::regex devicere = std::regex("GW1N([A-Z]*)-(LV|UV)([0-9])([A-Z]{2}[0-9]+)(C[0-9]/I[0-9])");
+ std::smatch match;
+ std::string device = vm["device"].as<std::string>();
+ if(!std::regex_match(device, match, devicere)) {
+ log_error("Invalid device %s\n", device.c_str());
+ }
+ ArchArgs chipArgs;
+ char buf[32];
+ snprintf(buf, 32, "GW1N%s-%s", match[1].str().c_str(), match[3].str().c_str());
+ chipArgs.device = buf;
+ snprintf(buf, 32, "GW1N-%s", match[3].str().c_str());
+ chipArgs.family = buf;
+ chipArgs.package = match[4];
+ chipArgs.speed = match[5];
+ return std::unique_ptr<Context>(new Context(chipArgs));
+}
+
+void GowinCommandHandler::customAfterLoad(Context *ctx)
+{
+ if (vm.count("cst")) {
+ std::string filename = vm["cst"].as<std::string>();
+ std::ifstream in(filename);
+ if (!in)
+ log_error("Failed to open input CST file %s.\n", filename.c_str());
+ ctx->read_cst(in);
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ GowinCommandHandler handler(argc, argv);
+ return handler.exec();
+}
+#endif