mirror of https://github.com/openXC7/prjxray.git
92 lines
2.6 KiB
Python
Executable File
92 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2017-2020 The Project X-Ray Authors.
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#
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# Use of this source code is governed by a ISC-style
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# license that can be found in the LICENSE file or at
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# https://opensource.org/licenses/ISC
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#
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# SPDX-License-Identifier: ISC
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'''
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Pretty print FASM.
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Sanity checks FASM against prjxray database.
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Can output canonical FASM.
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In the future may support other formatting options.
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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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def process_fasm(db_root, part, fasm_file, canonical):
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database = db.Database(db_root, part)
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grid = database.grid()
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for fasm_line in fasm.parse_fasm_filename(fasm_file):
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if not fasm_line.set_feature:
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if not canonical:
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yield fasm_line
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for feature in fasm.canonical_features(fasm_line.set_feature):
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parts = feature.feature.split('.')
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tile = parts[0]
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gridinfo = grid.gridinfo_at_tilename(tile)
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tile_segbits = database.get_tile_segbits(gridinfo.tile_type)
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address = 0
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if feature.start is not None:
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address = feature.start
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feature_name = '{}.{}'.format(
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gridinfo.tile_type, '.'.join(parts[1:]))
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# Convert feature to bits. If no bits are set, feature is
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# psuedo pip, and should not be output from canonical FASM.
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bits = tuple(
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tile_segbits.feature_to_bits(feature_name, address=address))
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if len(bits) == 0 and canonical:
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continue
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# In canonical output, only output the canonical features.
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if canonical:
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yield fasm.FasmLine(
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set_feature=feature,
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annotations=None,
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comment=None,
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)
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# If not in canonical mode, output original FASM line
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if not canonical:
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yield fasm_line
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def run(db_root, part, fasm_file, canonical):
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print(
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fasm.fasm_tuple_to_string(
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process_fasm(db_root, part, fasm_file, canonical),
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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(description='Pretty print a FASM file.')
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util.db_root_arg(parser)
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util.part_arg(parser)
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parser.add_argument('fasm_file', help='Input FASM file')
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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.part, args.fasm_file, args.canonical)
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if __name__ == '__main__':
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main()
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