Update blif check script to work with python3
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Cary R
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@ -1,86 +1,127 @@
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#
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# This is a python script for testing the blif code generator with
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# programs specifically set aside for it. The general pattern is that
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# the test program comes in two parts: the test bench and the device
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# to be tested. The files blif/*_tb.v are the test benches for the
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# corresponding files blif/*.v.
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#
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# This script requires the "abc" command available here:
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# <http://www.eecs.berkeley.edu/~alanmi/abc/>
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#
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# Run this script with the command: python blif_reg.py
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#
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''' This is a python script for testing the blif code generator with
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programs specifically set aside for it. The general pattern is that
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the test program comes in two parts: the test bench and the device
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to be tested. The files blif/*_tb.v are the test benches for the
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corresponding files blif/*.v.
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This script requires the "abc" command available here:
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<http://www.eecs.berkeley.edu/~alanmi/abc/>
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Run this script with the command: python3 blif_reg.py '''
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import os
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import subprocess
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import re
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# This is the name of the iverilog command and vvp command. These may
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# This is the name of the iverilog, vvp, and abc command. These may
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# vary in different installations.
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iverilog = "iverilog"
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vvp = "vvp"
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IVERILOG = "iverilog"
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VVP = "vvp"
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ABC = "berkeley-abc"
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list_file = open("blif.list")
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def get_tests() -> list:
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'''Get the test names'''
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# The list file contains a list of test names. The first word in the
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# line is the name of the test.
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match_prog = re.compile(r"^([a-zA-Z0-9_.]+).*$")
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# The list file contains a list of test names. The first word in the
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# line is the name of the test.
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match_prog = re.compile(r"^([a-zA-Z0-9_.]+).*$")
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tests = []
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for line in list_file:
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if line[0] == "#":
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continue
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match = match_prog.search(line)
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if match:
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tests.append(match.group(1))
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list_file.close()
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def run_test(test):
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global count_passed, count_failed
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tests = []
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with open("blif.list", encoding='ascii') as fd:
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for line in fd:
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if line[0] == "#":
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continue
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match = match_prog.search(line)
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if match:
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tests.append(match.group(1))
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return tests
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def run_test(test_name: str) -> bool:
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'''Run each test using this routine.
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Returns True if the test passes.'''
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# Assemble the paths for the test-bench and DUT.
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dut = "blif/" + test + ".v"
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tb = "blif/" + test + "_tb.v"
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dut = "blif/" + test_name + ".v"
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tb = "blif/" + test_name + "_tb.v"
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redirect = "log/" + test + ".log 2>&1"
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redirect = "log/" + test_name + ".log 2>&1"
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# Process the DUT into a .blif file
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ivl_blif_cmd = iverilog + " -g2009 -tblif -otmp_blif.blif " + dut + " > " + redirect
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ivl_blif_cmd = IVERILOG + " -g2009 -tblif -otmp_blif.blif " + dut + " > " + redirect
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rc = subprocess.call(ivl_blif_cmd, shell=True)
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if rc == 0:
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# Use ABC to convert the .blif file to Verilog
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abc_cmd = "berkeley-abc -c 'read_blif tmp_blif.blif ; write_verilog tmp_blif.v' >> " + redirect
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rc = subprocess.call(abc_cmd, shell=True);
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abc_cmd = ABC +" -c 'read_blif tmp_blif.blif ; write_verilog tmp_blif.v' >> " + redirect
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rc = subprocess.call(abc_cmd, shell=True)
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if rc == 0:
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# Compile
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ivl_blif_tb_cmd = iverilog + " -g2009 -otmp_blif.vvp " + tb + " tmp_blif.v >> " + redirect
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ivl_blif_tb_cmd = IVERILOG + " -g2009 -otmp_blif.vvp " + tb + " tmp_blif.v >> " + redirect
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rc = subprocess.call(ivl_blif_tb_cmd, shell=True)
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if rc == 0:
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# Now simulate to make sure the tranlation worked properly.
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vvp_cmd = vvp + " tmp_blif.vvp"
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output = subprocess.check_output(vvp_cmd, shell=True)
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rc = 0 if output == "PASSED\n" else 1
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vvp_cmd = VVP + " tmp_blif.vvp"
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output = subprocess.check_output(vvp_cmd, shell=True, text=True)
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echo_cmd = "echo " + output.rstrip() + " >> " + redirect
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rc = subprocess.call(echo_cmd, shell=True)
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if rc == 0:
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print(test, "PASSED")
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count_passed = count_passed + 1
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else:
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print(test, "FAILED")
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count_failed = count_failed + 1
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for tmp in ["tmp_blif.blif", "tmp_blif.v", "tmp_blif.vvp"]:
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for tmp in ["tmp_blif.blif", "tmp_blif.v", "tmp_blif.vvp", "abc.history"]:
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if os.path.exists(tmp):
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os.remove(tmp)
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count_passed = 0
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count_failed = 0
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return not (rc or output != "PASSED\n")
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for test in tests:
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run_test(test)
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def get_ivl_version() -> list:
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'''Get the iverilog version'''
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text = subprocess.check_output([IVERILOG, "-V"])
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match = re.search(b'Icarus Verilog version ([0-9]+)\\.([0-9]+)', text)
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if not match:
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return None
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print()
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print(count_passed, "tests passed,", count_failed, "tests failed.")
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items = match.groups()
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return [str(items[0], 'ascii'), str(items[1], 'ascii')]
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def get_abc_version() -> list:
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'''Get the berkeley-abc version'''
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res = subprocess.run([ABC, "-h"], capture_output=True, check=False)
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match = re.search(b'UC Berkeley, ABC ([0-9]+)\\.([0-9]+)', res.stdout)
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if not match:
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return None
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items = match.groups()
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return [str(items[0], 'ascii'), str(items[1], 'ascii')]
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def run_tests(tests: list):
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'''Run all the tests in the test list'''
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ivl_ver = get_ivl_version()
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abc_ver = get_abc_version()
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# pylint: disable-next=consider-using-f-string
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print("Running blif tests for Icarus Verilog version: {ver}.{sver}".format(ver=ivl_ver[0],
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sver=ivl_ver[1]))
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# pylint: disable-next=consider-using-f-string
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print("Using berkely-abc version: {ver}.{sver}".format(ver=abc_ver[0], sver=abc_ver[1]))
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print("=" * 50)
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count_passed = 0
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count_failed = 0
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width = max(len(name) for name in tests)
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for test in tests:
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passed = run_test(test)
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if passed:
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res = "Passed"
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count_passed += 1
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else:
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res = "Failed"
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count_failed += 1
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# pylint: disable-next=consider-using-f-string
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print("{name:>{width}}: {res}.".format(name=test, width=width, res=res))
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print("=" * 50)
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# pylint: disable-next=consider-using-f-string
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print("Tests results: Passed {passed}, Failed {failed}".format(passed=count_passed, \
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failed=count_failed))
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if __name__ == "__main__":
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run_tests(get_tests())
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@ -205,9 +205,7 @@ if __name__ == "__main__":
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# We need the width of the widest key so that we can figure out
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# how to align the key:result columns.
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# pylint: disable-next=invalid-name
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width = 0
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for cur in tests_list:
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width = max(width, len(cur[0]))
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width = max(len(item[0]) for item in tests_list)
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# pylint: disable-next=invalid-name
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error_count = 0
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