prjxray/utils/bits2fasm.py

48 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python3
'''
Take raw .bits files and decode them to FASM.
'''
import os
import fasm
from prjxray import db
from prjxray import fasm_disassembler
from prjxray import bitstream
def run(db_root, bits_file):
disassembler = fasm_disassembler.FasmDisassembler(db.Database(db_root))
with open(bits_file) as f:
bitdata = bitstream.load_bitdata(f)
for fasm_line in disassembler.find_features_in_bitstream(bitdata):
for line in fasm.fasm_line_to_string(fasm_line):
print(line)
def main():
import argparse
parser = argparse.ArgumentParser(
description='Convert 7-series bits file to FASM.')
database_dir = os.getenv("XRAY_DATABASE_DIR")
database = os.getenv("XRAY_DATABASE")
db_root_kwargs = {}
if database_dir is None or database is None:
db_root_kwargs['required'] = True
else:
db_root_kwargs['required'] = False
db_root_kwargs['default'] = os.path.join(database_dir, database)
parser.add_argument(
'--db_root', help="Database root.", **db_root_kwargs)
parser.add_argument('bits_file', help='')
parser.add_argument('verbose', help='Print lines for unknown tiles and bits',
action='store_true')
args = parser.parse_args()
run(args.db_root, args.bits_file)
if __name__ == '__main__':
main()