Use settings for json and pcf

4 files changed, 12 insertions, 8 deletions

diff --git a/ice40/main.cc b/ice40/main.cc
index 2818a3ad..8bab360d 100644
--- a/ice40/main.cc
+++ b/ice40/main.cc
@@ -79,8 +79,9 @@ void Ice40CommandHandler::validate()
 void Ice40CommandHandler::customAfterLoad(Context *ctx)
 {
     if (vm.count("pcf")) {
-        std::ifstream pcf(vm["pcf"].as<std::string>());
-        if (!apply_pcf(ctx, pcf))
+        std::string filename = vm["pcf"].as<std::string>();
+        std::ifstream pcf(filename);
+        if (!apply_pcf(ctx, filename, pcf))
             log_error("Loading PCF failed.\n");
     }
 }
diff --git a/ice40/pcf.cc b/ice40/pcf.cc
index 410fa1c9..d9fc4e68 100644
--- a/ice40/pcf.cc
+++ b/ice40/pcf.cc
@@ -27,7 +27,7 @@ NEXTPNR_NAMESPACE_BEGIN
 // Read a w
 
 // Apply PCF constraints to a pre-packing design
-bool apply_pcf(Context *ctx, std::istream &in)
+bool apply_pcf(Context *ctx, std::string filename, std::istream &in)
 {
     try {
         if (!in)
@@ -66,6 +66,7 @@ bool apply_pcf(Context *ctx, std::istream &in)
                 log_error("unsupported pcf command '%s'\n", cmd.c_str());
             }
         }
+        ctx->settings.emplace(ctx->id("project/input/pcf"), filename);
         return true;
     } catch (log_execution_error_exception) {
         return false;
diff --git a/ice40/pcf.h b/ice40/pcf.h
index 315f6270..ecc81e59 100644
--- a/ice40/pcf.h
+++ b/ice40/pcf.h
@@ -27,7 +27,7 @@
 NEXTPNR_NAMESPACE_BEGIN
 
 // Apply PCF constraints to a pre-packing design
-bool apply_pcf(Context *ctx, std::istream &in);
+bool apply_pcf(Context *ctx, std::string filename, std::istream &in);
 
 NEXTPNR_NAMESPACE_END
 
diff --git a/ice40/project.cc b/ice40/project.cc
index d1f1674a..8ca10e36 100644
--- a/ice40/project.cc
+++ b/ice40/project.cc
@@ -25,11 +25,13 @@
 
 NEXTPNR_NAMESPACE_BEGIN
 
-void ProjectHandler::saveArch(Context *ctx, pt::ptree &root)
+void ProjectHandler::saveArch(Context *ctx, pt::ptree &root, std::string path)
 {
     root.put("project.arch.package", ctx->archArgs().package);
-    // if(!pcfFilename.empty())
-    //      root.put("project.input.pcf", pcfFilename);
+    if (ctx->settings.find(ctx->id("project/input/pcf")) != ctx->settings.end()) {
+        std::string fn = ctx->settings[ctx->id("project/input/pcf")];
+        root.put("project.input.pcf", make_relative(fn, path).string());
+    }
 }
 
 std::unique_ptr<Context> ProjectHandler::createContext(pt::ptree &root)
@@ -64,7 +66,7 @@ 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))
+    if (!apply_pcf(ctx, input.get<std::string>("pcf"), f))
         log_error("Loading PCF failed.\n");
 }