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Imporove yosys-smtbmc error handling, Improve VCD output

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-03-05 12:08:41 +01:00
parent 61a9e2eeb3
commit cedbc35f4b
2 changed files with 49 additions and 23 deletions
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9
backends/smt2/smtbmc.py
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@ -719,9 +719,12 @@ def write_vlogtb_trace(steps_start, steps_stop, index):
if vlogtbtop is not None:
for item in vlogtbtop.split("."):
assert item in smt.modinfo[vlogtb_topmod].cells
vlogtb_state = "(|%s_h %s| %s)" % (vlogtb_topmod, item, vlogtb_state)
vlogtb_topmod = smt.modinfo[vlogtb_topmod].cells[item]
if item in smt.modinfo[vlogtb_topmod].cells:
vlogtb_state = "(|%s_h %s| %s)" % (vlogtb_topmod, item, vlogtb_state)
vlogtb_topmod = smt.modinfo[vlogtb_topmod].cells[item]
else:
print_msg("Vlog top module '%s' not found: no cell '%s' in module '%s'" % (vlogtbtop, item, vlogtb_topmod))
break
with open(filename, "w") as f:
print("`ifndef VERILATOR", file=f)