mirror of
https://github.com/verilator/verilator.git
synced 2025-01-19 12:54:02 +00:00
55 lines
1.7 KiB
Python
Executable File
55 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
|
|
#
|
|
# Copyright 2024 by Wilson Snyder. This program is free software; you
|
|
# can redistribute it and/or modify it under the terms of either the GNU
|
|
# Lesser General Public License Version 3 or the Perl Artistic License
|
|
# Version 2.0.
|
|
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
|
|
|
|
import vltest_bootstrap
|
|
|
|
test.scenarios('vlt')
|
|
test.top_filename = "t/t_gen_alw.v" # Use any top file
|
|
|
|
test.init_benchmarksim()
|
|
|
|
# As an example, compile and simulate the top file with varying optimization level
|
|
l_opts = [1, 2, 3]
|
|
|
|
for l_opt in l_opts:
|
|
test.compile(benchmarksim=1, v_flags2=["-O" + str(l_opt)])
|
|
|
|
test.execute()
|
|
|
|
filename = test.benchmarksim_filename
|
|
gotn = 0
|
|
with open(filename, 'r', encoding="utf8") as fh:
|
|
lineno = 0
|
|
headered = False
|
|
for line in fh:
|
|
lineno += 1
|
|
if re.match(r'^#', line):
|
|
continue
|
|
if not headered:
|
|
headered = True
|
|
if not re.search(r'evals, ', line):
|
|
test.error(filename + ":" + str(lineno) + ": Expected header but found: " + line)
|
|
else:
|
|
m = re.search(r'(\d+\.?\d*),(\d+\.?\d*)', line)
|
|
if not m:
|
|
test.error(filename + ":" + str(lineno) + ": Expected 2 tokens on line: " + line)
|
|
continue
|
|
cycles = float(m.group(1))
|
|
time = float(m.group(2))
|
|
if cycles <= 0.0 or time <= 0.0:
|
|
test.error(filename + ":" + str(lineno) + ": Invalid data on line: " + line)
|
|
continue
|
|
gotn += 1
|
|
|
|
n_lines_expected = len(l_opts)
|
|
if gotn != int(n_lines_expected):
|
|
test.error("Expected " + str(n_lines_expected) + " lines but found " + str(gotn))
|
|
|
|
test.passes()
|