1 files changed, 105 insertions, 0 deletions
diff --git a/mistral/main.cc b/mistral/main.cc
new file mode 100644
index 00000000..9147a68b
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+++ b/mistral/main.cc
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+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2021  gatecat <gatecat@ds0.me>
+ *
+ *  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 "command.h"
+#include "design_utils.h"
+#include "jsonwrite.h"
+#include "log.h"
+#include "timing.h"
+
+USING_NEXTPNR_NAMESPACE
+
+class MistralCommandHandler : public CommandHandler
+{
+  public:
+    MistralCommandHandler(int argc, char **argv);
+    virtual ~MistralCommandHandler(){};
+    std::unique_ptr<Context> createContext(std::unordered_map<std::string, Property> &values) override;
+    void setupArchContext(Context *ctx) override{};
+    void customBitstream(Context *ctx) override;
+    void customAfterLoad(Context *ctx) override;
+
+  protected:
+    po::options_description getArchOptions() override;
+};
+
+MistralCommandHandler::MistralCommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {}
+
+po::options_description MistralCommandHandler::getArchOptions()
+{
+    po::options_description specific("Architecture specific options");
+    specific.add_options()("mistral", po::value<std::string>(), "path to mistral root");
+    specific.add_options()("device", po::value<std::string>(), "device name (e.g. 5CSEBA6U23I7)");
+    specific.add_options()("qsf", po::value<std::string>(), "path to QSF constraints file");
+    specific.add_options()("rbf", po::value<std::string>(), "RBF bitstream to write");
+
+    return specific;
+}
+
+void MistralCommandHandler::customBitstream(Context *ctx)
+{
+    if (vm.count("rbf")) {
+        std::string filename = vm["rbf"].as<std::string>();
+        ctx->build_bitstream();
+        std::vector<uint8_t> data;
+        ctx->cyclonev->rbf_save(data);
+
+        std::ofstream out(filename, std::ios::binary);
+        if (!out)
+            log_error("Failed to open output RBF file %s.\n", filename.c_str());
+        out.write(reinterpret_cast<const char *>(data.data()), data.size());
+    }
+}
+
+std::unique_ptr<Context> MistralCommandHandler::createContext(std::unordered_map<std::string, Property> &values)
+{
+    ArchArgs chipArgs;
+    if (!vm.count("mistral")) {
+        log_error("mistral must be specified on the command line\n");
+    }
+    if (!vm.count("device")) {
+        log_error("device must be specified on the command line (e.g. --device 5CSEBA6U23I7)\n");
+    }
+    chipArgs.mistral_root = vm["mistral"].as<std::string>();
+    chipArgs.device = vm["device"].as<std::string>();
+    auto ctx = std::unique_ptr<Context>(new Context(chipArgs));
+    return ctx;
+}
+
+void MistralCommandHandler::customAfterLoad(Context *ctx)
+{
+    if (vm.count("qsf")) {
+        std::string filename = vm["qsf"].as<std::string>();
+        std::ifstream in(filename);
+        if (!in)
+            log_error("Failed to open input QSF file %s.\n", filename.c_str());
+        ctx->read_qsf(in);
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    MistralCommandHandler handler(argc, argv);
+    return handler.exec();
+}
+
+#endif