88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.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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#include <boost/filesystem/convenience.hpp>
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#include <boost/property_tree/json_parser.hpp>
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#include "project.h"
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#include "log.h"
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#include "jsonparse.h"
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#include <fstream>
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NEXTPNR_NAMESPACE_BEGIN
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void ProjectHandler::save(Context *ctx, std::string filename)
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{
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std::ofstream f(filename);
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pt::ptree root;
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root.put("project.version", 1);
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root.put("project.name", boost::filesystem::basename(filename));
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root.put("project.arch.name", ctx->archId().c_str(ctx));
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root.put("project.arch.type", ctx->archArgsToId(ctx->archArgs()).c_str(ctx));
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/* root.put("project.input.json", );*/
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root.put("project.params.freq", int(ctx->target_freq / 1e6));
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root.put("project.params.seed", ctx->rngstate);
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saveArch(ctx,root);
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pt::write_json(f, root);
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}
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std::unique_ptr<Context> ProjectHandler::load(std::string filename)
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{
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std::unique_ptr<Context> ctx;
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try {
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pt::ptree root;
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boost::filesystem::path proj(filename);
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pt::read_json(filename, root);
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log_info("Loading project %s...\n", filename.c_str());
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log_break();
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int version = root.get<int>("project.version");
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if (version != 1)
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log_error("Wrong project format version.\n");
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ctx = createContext(root);
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std::string arch_name = root.get<std::string>("project.arch.name");
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if (arch_name != ctx->archId().c_str(ctx.get()))
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log_error("Unsuported project architecture.\n");
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auto project = root.get_child("project");
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auto input = project.get_child("input");
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std::string filename = input.get<std::string>("json");
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boost::filesystem::path json = proj.parent_path() / filename;
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std::ifstream f(json.string());
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if (!parse_json_file(f, filename, ctx.get()))
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log_error("Loading design failed.\n");
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if (project.count("params")) {
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auto params = project.get_child("params");
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if (params.count("freq"))
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ctx->target_freq = params.get<double>("freq") * 1e6;
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if (params.count("seed"))
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ctx->rngseed(params.get<uint64_t>("seed"));
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}
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loadArch(ctx.get(),root, proj.parent_path().string());
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} catch (...) {
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log_error("Error loading project file.\n");
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}
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return ctx;
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}
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NEXTPNR_NAMESPACE_END
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