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-rw-r--r--json/jsonwrite.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/json/jsonwrite.cc b/json/jsonwrite.cc
index 9f29d510..eb1ed3a4 100644
--- a/json/jsonwrite.cc
+++ b/json/jsonwrite.cc
@@ -79,6 +79,11 @@ void write_routing(std::ostream &f, Context *ctx, NetInfo *net, bool first)
f << stringf("%s\n", first ? "" : ",");
f << stringf(" \"NEXTPNR_ROUTING\": ");
f << get_string(routing);
+#ifdef ARCH_ECP5
+ f << stringf(",\n");
+ f << stringf(" \"NEXTPNR_IS_GLOBAL\": ");
+ f << std::to_string(net->is_global ? 1:0);
+#endif
}
void write_constraints(std::ostream &f, Context *ctx, CellInfo *cell, bool first)