写完软件需要加gpio

tb/verilator/plusarg_reader.v

@@ -0,0 +1,17 @@
+// See LICENSE.SiFive for license details.
+
+//VCS coverage exclude_file
+
+// No default parameter values are intended, nor does IEEE 1800-2012 require them (clause A.2.4 param_assignment),
+// but Incisive demands them. These default values should never be used.
+module plusarg_reader #(
+   parameter FORMAT="borked=%d",
+   parameter WIDTH=1,
+   parameter [WIDTH-1:0] DEFAULT=0
+) (
+   output [WIDTH-1:0] out
+);
+
+assign out = DEFAULT;
+
+endmodule