From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Sun, 12 Jan 2020 21:06:35 +0000 (+0100)
Subject: gen/fhdl/verilog: fix signed init values
X-Git-Tag: 24jan2021_ls180~758
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d92bd8ffaa9a9d1f3d51498c8e382f7041e69274;p=litex.git

gen/fhdl/verilog: fix signed init values
---

diff --git a/litex/gen/fhdl/verilog.py b/litex/gen/fhdl/verilog.py
index e1bd8da4..f515dbfb 100644
--- a/litex/gen/fhdl/verilog.py
+++ b/litex/gen/fhdl/verilog.py
@@ -59,8 +59,8 @@ def _printsig(ns, s):
 
 def _printconstant(node):
     if node.signed:
-        return (str(node.nbits) + "'sd" + str(2**node.nbits + node.value),
-                True)
+        sign = "-" if node.value < 0 else ""
+        return (sign + str(node.nbits) + "'d" + str(abs(node.value)), True)
     else:
         return str(node.nbits) + "'d" + str(node.value), False