back.rtlil: accept ast.Const as cell parameter.

2019-01-26 23:25:54 +00:00 · 2019-01-26 23:25:54 +00:00 · 43e4833ddb
parent bc5a127fd2
commit 43e4833ddb
1 changed files with 6 additions and 1 deletions
--- a/nmigen/back/rtlil.py
+++ b/nmigen/back/rtlil.py
@ -114,9 +114,14 @@ class _ModuleBuilder(_Namer, _Bufferer):
            if isinstance(value, str):
                self._append("    parameter \\{} \"{}\"\n",
                             param, value.translate(self._escape_map))
-            else:
+            elif isinstance(value, int):
                self._append("    parameter \\{} {:d}\n",
                             param, value)
+            elif isinstance(value, ast.Const):
+                self._append("    parameter \\{} {}'{:b}\n",
+                             param, len(value), value.value)
+            else:
+                assert False
        for port, wire in ports.items():
            self._append("    connect {} {}\n", port, wire)
        self._append("  end\n")