From: H-S-S-11 <52609833+H-S-S-11@users.noreply.github.com>
Date: Sat, 25 Sep 2021 10:41:23 +0000 (+0100)
Subject: vendor.xilinx: avoid using `/` for hierarchy in ISE constraint files.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9834b7e95f3d146d51b7c8aa654dbd37df8babf4;p=nmigen.git

vendor.xilinx: avoid using `/` for hierarchy in ISE constraint files.
---

diff --git a/nmigen/vendor/xilinx.py b/nmigen/vendor/xilinx.py
index be8d377..f332a93 100644
--- a/nmigen/vendor/xilinx.py
+++ b/nmigen/vendor/xilinx.py
@@ -276,7 +276,7 @@ class XilinxPlatform(TemplatedPlatform):
             {% endfor %}
             {% for net_signal, port_signal, frequency in platform.iter_clock_constraints() -%}
                 NET "{{net_signal|hierarchy("/")}}" TNM_NET="PRD{{net_signal|hierarchy("/")}}";
-                TIMESPEC "TS{{net_signal|hierarchy("/")}}"=PERIOD "PRD{{net_signal|hierarchy("/")}}" {{1000000000/frequency}} ns HIGH 50%;
+                TIMESPEC "TS{{net_signal|hierarchy("__")}}"=PERIOD "PRD{{net_signal|hierarchy("/")}}" {{1000000000/frequency}} ns HIGH 50%;
             {% endfor %}
             {{get_override("add_constraints")|default("# (add_constraints placeholder)")}}
         """