Added project loader

2 files changed, 72 insertions, 0 deletions

diff --git a/ice40/arch.h b/ice40/arch.h
index d3076416..bc968b74 100644
--- a/ice40/arch.h
+++ b/ice40/arch.h
@@ -411,6 +411,7 @@ struct Arch : BaseCtx
     std::string getChipName() const;
 
     IdString archId() const { return id("ice40"); }
+    ArchArgs archArgs() const { return args; }
     IdString archArgsToId(ArchArgs args) const;
 
     IdString belTypeToId(BelType type) const;
diff --git a/ice40/project.cc b/ice40/project.cc
new file mode 100644
index 00000000..53401d63
--- /dev/null
+++ b/ice40/project.cc
@@ -0,0 +1,71 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Miodrag Milanovic <miodrag@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.
+ *
+ */
+
+#include <boost/filesystem/convenience.hpp>
+#include "project.h"
+#include "log.h"
+#include <fstream>
+#include "pcf.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+void ProjectHandler::saveArch(Context *ctx, pt::ptree &root)
+{
+    root.put("project.arch.package", ctx->archArgs().package);
+    // if(!pcfFilename.empty()) 
+    //      root.put("project.input.pcf", pcfFilename);
+}
+
+std::unique_ptr<Context> ProjectHandler::createContext(pt::ptree &root)
+{
+    ArchArgs chipArgs;
+    std::string arch_type = root.get<std::string>("project.arch.type");
+    if (arch_type == "lp384") {
+        chipArgs.type = ArchArgs::LP384;
+    }
+    if (arch_type == "lp1k") {
+        chipArgs.type = ArchArgs::LP1K;
+    }
+    if (arch_type == "lp8k") {
+        chipArgs.type = ArchArgs::LP8K;
+    }
+    if (arch_type == "hx1k") {
+        chipArgs.type = ArchArgs::HX1K;
+    }
+    if (arch_type == "hx8k") {
+        chipArgs.type = ArchArgs::HX8K;
+    }
+    if (arch_type == "up5k") {
+        chipArgs.type = ArchArgs::UP5K;
+    }
+    chipArgs.package = root.get<std::string>("project.arch.package");
+
+    return std::unique_ptr<Context>(new Context(chipArgs));
+}
+
+void ProjectHandler::loadArch(Context *ctx, pt::ptree &root, std::string path)
+{
+    auto input = root.get_child("project").get_child("input");
+    boost::filesystem::path pcf =  boost::filesystem::path(path) / input.get<std::string>("pcf");
+    std::ifstream f(pcf.string());
+    if (!apply_pcf(ctx, f))
+        log_error("Loading PCF failed.\n");
+}
+
+NEXTPNR_NAMESPACE_END