mirror of https://github.com/openXC7/prjxray.git
55 lines
1.5 KiB
Python
Executable File
55 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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Take raw .bits files and decode them to FASM.
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'''
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import os
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import fasm
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from prjxray import db
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from prjxray import fasm_disassembler
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from prjxray import bitstream
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def run(db_root, bits_file, verbose, canonical):
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disassembler = fasm_disassembler.FasmDisassembler(db.Database(db_root))
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with open(bits_file) as f:
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bitdata = bitstream.load_bitdata(f)
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print(
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fasm.fasm_tuple_to_string(
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disassembler.find_features_in_bitstream(bitdata, verbose=verbose),
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canonical=canonical))
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def main():
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import argparse
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parser = argparse.ArgumentParser(
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description='Convert 7-series bits file to FASM.')
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database_dir = os.getenv("XRAY_DATABASE_DIR")
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database = os.getenv("XRAY_DATABASE")
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db_root_kwargs = {}
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if database_dir is None or database is None:
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db_root_kwargs['required'] = True
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else:
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db_root_kwargs['required'] = False
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db_root_kwargs['default'] = os.path.join(database_dir, database)
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parser.add_argument('--db_root', help="Database root.", **db_root_kwargs)
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parser.add_argument('bits_file', help='')
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parser.add_argument(
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'verbose',
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help='Print lines for unknown tiles and bits',
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action='store_true')
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parser.add_argument(
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'--canonical', help='Output canonical bitstream.', action='store_true')
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args = parser.parse_args()
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run(args.db_root, args.bits_file, args.verbose, args.canonical)
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if __name__ == '__main__':
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main()
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