Create machxo2 backend (renamed from generic).

Signed-off-by: William D. Jones <thor0505@comcast.net>

1 files changed, 75 insertions, 0 deletions

diff --git a/machxo2/main.cc b/machxo2/main.cc
new file mode 100644
index 00000000..bb780996
--- /dev/null
+++ b/machxo2/main.cc
@@ -0,0 +1,75 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Clifford Wolf <clifford@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 "command.h"
+#include "design_utils.h"
+#include "log.h"
+#include "timing.h"
+
+USING_NEXTPNR_NAMESPACE
+
+class GenericCommandHandler : public CommandHandler
+{
+  public:
+    GenericCommandHandler(int argc, char **argv);
+    virtual ~GenericCommandHandler(){};
+    std::unique_ptr<Context> createContext(std::unordered_map<std::string, Property> &values) override;
+    void setupArchContext(Context *ctx) override{};
+    void customBitstream(Context *ctx) override;
+
+  protected:
+    po::options_description getArchOptions() override;
+};
+
+GenericCommandHandler::GenericCommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {}
+
+po::options_description GenericCommandHandler::getArchOptions()
+{
+    po::options_description specific("Architecture specific options");
+    specific.add_options()("generic", "set device type to generic");
+    specific.add_options()("no-iobs", "disable automatic IO buffer insertion");
+    return specific;
+}
+
+void GenericCommandHandler::customBitstream(Context *ctx) {}
+
+std::unique_ptr<Context> GenericCommandHandler::createContext(std::unordered_map<std::string, Property> &values)
+{
+    ArchArgs chipArgs;
+    if (values.find("arch.name") != values.end()) {
+        std::string arch_name = values["arch.name"].as_string();
+        if (arch_name != "generic")
+            log_error("Unsuported architecture '%s'.\n", arch_name.c_str());
+    }
+    auto ctx = std::unique_ptr<Context>(new Context(chipArgs));
+    if (vm.count("no-iobs"))
+        ctx->settings[ctx->id("disable_iobs")] = Property::State::S1;
+    return ctx;
+}
+
+int main(int argc, char *argv[])
+{
+    GenericCommandHandler handler(argc, argv);
+    return handler.exec();
+}
+
+#endif