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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Claire Xenia Wolf <claire@yosyshq.com>
* Copyright (C) 2021 William D. Jones <wjones@wdj-consulting.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 "bitstream.h"
#include "command.h"
#include "design_utils.h"
#include "log.h"
#include "timing.h"
USING_NEXTPNR_NAMESPACE
class MachXO2CommandHandler : public CommandHandler
{
public:
MachXO2CommandHandler(int argc, char **argv);
virtual ~MachXO2CommandHandler(){};
std::unique_ptr<Context> createContext(dict<std::string, Property> &values) override;
void setupArchContext(Context *ctx) override{};
void customAfterLoad(Context *ctx) override;
void customBitstream(Context *ctx) override;
protected:
po::options_description getArchOptions() override;
};
MachXO2CommandHandler::MachXO2CommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {}
po::options_description MachXO2CommandHandler::getArchOptions()
{
po::options_description specific("Architecture specific options");
specific.add_options()("device", po::value<std::string>(), "device name");
specific.add_options()("list-devices", "list all supported device names");
specific.add_options()("textcfg", po::value<std::string>(), "textual configuration in Trellis format to write");
specific.add_options()("lpf", po::value<std::vector<std::string>>(), "LPF pin constraint file(s)");
specific.add_options()("lpf-allow-unconstrained", "don't require LPF file(s) to constrain all IO");
specific.add_options()("disable-router-lutperm", "don't allow the router to permute LUT inputs");
return specific;
}
void MachXO2CommandHandler::customBitstream(Context *ctx)
{
std::string textcfg;
if (vm.count("textcfg"))
textcfg = vm["textcfg"].as<std::string>();
write_bitstream(ctx, textcfg);
}
std::unique_ptr<Context> MachXO2CommandHandler::createContext(dict<std::string, Property> &values)
{
ArchArgs chipArgs;
if (vm.count("list-devices")) {
Arch::list_devices();
exit(0);
}
if (!vm.count("device")) {
log_error("device must be specified on the command line (e.g. --device LCMXO2-1200HC-4SG32C)\n");
}
chipArgs.device = vm["device"].as<std::string>();
auto ctx = std::unique_ptr<Context>(new Context(chipArgs));
if (vm.count("disable-router-lutperm"))
ctx->settings[ctx->id("arch.disable_router_lutperm")] = 1;
return ctx;
}
void MachXO2CommandHandler::customAfterLoad(Context *ctx)
{
if (vm.count("lpf")) {
std::vector<std::string> files = vm["lpf"].as<std::vector<std::string>>();
for (const auto &filename : files) {
std::ifstream in(filename);
if (!in)
log_error("failed to open LPF file '%s'\n", filename.c_str());
if (!ctx->apply_lpf(filename, in))
log_error("failed to parse LPF file '%s'\n", filename.c_str());
}
for (auto &cell : ctx->cells) {
CellInfo *ci = cell.second.get();
if (ci->type == ctx->id("$nextpnr_ibuf") || ci->type == ctx->id("$nextpnr_obuf") ||
ci->type == ctx->id("$nextpnr_iobuf")) {
if (!ci->attrs.count(id_LOC)) {
if (vm.count("lpf-allow-unconstrained"))
log_warning("IO '%s' is unconstrained in LPF and will be automatically placed\n",
cell.first.c_str(ctx));
else
log_error("IO '%s' is unconstrained in LPF (override this error with "
"--lpf-allow-unconstrained)\n",
cell.first.c_str(ctx));
}
}
}
}
}
int main(int argc, char *argv[])
{
MachXO2CommandHandler handler(argc, argv);
return handler.exec();
}
#endif
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