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authorClifford Wolf <clifford@clifford.at>2019-06-16 23:12:03 +0200
committerClifford Wolf <clifford@clifford.at>2019-06-16 23:12:03 +0200
commitc23bbc429103ca84cb8a9cfb674aacf7d14109c6 (patch)
tree42eb83fd520b97825851773d5392f101254768aa /backends
parentd4f77d408c754285969969bda3a6985c1fbe9fb6 (diff)
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Add timescale and generated-by header to yosys-smtbmc MkVcd
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'backends')
-rw-r--r--backends/smt2/smtio.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py
index ab20a4af2..cea0fc56c 100644
--- a/backends/smt2/smtio.py
+++ b/backends/smt2/smtio.py
@@ -1023,6 +1023,8 @@ class MkVcd:
assert t >= self.t
if t != self.t:
if self.t == -1:
+ print("$version Generated by Yosys-SMTBMC $end", file=self.f)
+ print("$timescale 1ns $end", file=self.f)
print("$var integer 32 t smt_step $end", file=self.f)
print("$var event 1 ! smt_clock $end", file=self.f)