From fb3465a905e850fd84d944372e9f70c64335f73e Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 25 Apr 2022 15:42:08 +0100
Subject: [PATCH] set nextpnr-xilinx seed 1 for deterministic behaviour may be
 over-ridden with an argument override adding an additional --seed {value}

---
 nmigen/vendor/xilinx.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nmigen/vendor/xilinx.py b/nmigen/vendor/xilinx.py
index 98b10bd..c72d728 100644
--- a/nmigen/vendor/xilinx.py
+++ b/nmigen/vendor/xilinx.py
@@ -493,6 +493,7 @@ class XilinxPlatform(TemplatedPlatform):
             --json {{name}}.json
             --write {{name}}_routed.json
             --fasm {{name}}.fasm
+            --seed 1
         """,
         r"""
         {{invoke_tool("fasm2frames")}}
-- 
2.30.2