import random
from contextlib import contextmanager
+# set to 'True' to compare verific with yosys
+test_verific = False
+
@contextmanager
def redirect_stdout(new_target):
old_target, sys.stdout = sys.stdout, new_target
print(' end')
print('endmodule')
with file('temp/uut_%05d.ys' % idx, 'w') as f, redirect_stdout(f):
- print('read_verilog temp/uut_%05d.v' % idx)
- print('proc;;')
- print('copy uut_%05d gold' % idx)
- print('rename uut_%05d gate' % idx)
- print('cd gate')
- print('opt; wreduce; share%s; opt; fsm;;' % random.choice(['', ' -aggressive']))
- print('cd ..')
+ if test_verific:
+ print('read_verilog temp/uut_%05d.v' % idx)
+ print('proc;; rename uut_%05d gold' % idx)
+ print('verific -vlog2k temp/uut_%05d.v' % idx)
+ print('verific -import uut_%05d' % idx)
+ print('rename uut_%05d gate' % idx)
+ else:
+ print('read_verilog temp/uut_%05d.v' % idx)
+ print('proc;;')
+ print('copy uut_%05d gold' % idx)
+ print('rename uut_%05d gate' % idx)
+ print('cd gate')
+ print('opt; wreduce; share%s; opt; fsm;;' % random.choice(['', ' -aggressive']))
+ print('cd ..')
print('miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp gold gate miter')
print('sat -verify-no-timeout -timeout 20 -seq 5 -set-at 1 %s_rst 1 -prove trigger 0 -prove-skip 1 -show-inputs -show-outputs miter' % ('gold' if rst2 else 'in'))