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Yosys-smtbmc: Support for hierarchical VCD dumping

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This commit is contained in:
Clifford Wolf 2016-07-11 12:49:33 +02:00
parent 0153ad85d9
commit c71785d65e
2 changed files with 59 additions and 23 deletions
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13
backends/smt2/smtbmc.py
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@ -98,7 +98,7 @@ smt.setup("QF_AUFBV")
with open(args[0], "r") as f:
for line in f:
smt.write(line)
smt.getinfo(line)
smt.info(line)
if topmod is None:
topmod = smt.topmod
@ -106,18 +106,19 @@ if topmod is None:
assert topmod is not None
assert topmod in smt.modinfo
def write_vcd_model(steps):
print("%s Writing model to VCD file." % smt.timestamp())
vcd = mkvcd(open(vcdfile, "w"))
for netname in sorted(smt.modinfo[topmod].wsize.keys()):
width = len(smt.get_net_bin(topmod, netname, "s0"))
vcd.add_net(netname, width)
for netpath in sorted(smt.hiernets(topmod)):
width = len(smt.get_net_bin(topmod, netpath, "s0"))
vcd.add_net([topmod] + netpath, width)
for i in range(steps):
vcd.set_time(i)
for netname in smt.modinfo[topmod].wsize.keys():
vcd.set_net(netname, smt.get_net_bin(topmod, netname, "s%d" % i))
for netpath in sorted(smt.hiernets(topmod)):
vcd.set_net([topmod] + netpath, smt.get_net_bin(topmod, netpath, "s%d" % i))
vcd.set_time(steps)