| #!/usr/bin/env python3 |
| # -*- coding: utf-8 -*- |
| # |
| # Copyright (C) 2017-2020 The Project X-Ray Authors. |
| # |
| # Use of this source code is governed by a ISC-style |
| # license that can be found in the LICENSE file or at |
| # https://opensource.org/licenses/ISC |
| # |
| # SPDX-License-Identifier: ISC |
| |
| import json |
| |
| from prjxray.segmaker import Segmaker |
| from prjxray import verilog |
| |
| |
| def add_enum_bits(segmk, params, key, options): |
| for opt in options: |
| segmk.add_site_tag( |
| params['tile'], '{}_{}'.format(key, opt), params[key] == opt) |
| |
| |
| def output_integer_tags(segmk, params, key, invert=False): |
| tile = params['tile'] |
| bits = verilog.parse_bitstr(params[key]) |
| for bit, tag_val in enumerate(bits): |
| if not invert: |
| segmk.add_tile_tag( |
| tile, "{}[{}]".format(key, |
| len(bits) - bit - 1), tag_val) |
| else: |
| segmk.add_tile_tag( |
| tile, "Z{}[{}]".format(key, |
| len(bits) - bit - 1), |
| 0 if tag_val else 1) |
| |
| |
| def main(): |
| segmk = Segmaker("design.bits") |
| |
| print("Loading tags") |
| with open('params.json') as f: |
| params = json.load(f) |
| |
| for tile_param in params: |
| if tile_param['EN_SYN'] and tile_param['DATA_WIDTH'] == 4: |
| output_integer_tags( |
| segmk, tile_param, 'ALMOST_EMPTY_OFFSET', invert=True) |
| output_integer_tags( |
| segmk, tile_param, 'ALMOST_FULL_OFFSET', invert=True) |
| |
| for param in ('EN_SYN', 'FIRST_WORD_FALL_THROUGH'): |
| segmk.add_tile_tag(tile_param['tile'], param, tile_param[param]) |
| |
| segmk.compile() |
| segmk.write() |
| |
| |
| if __name__ == '__main__': |
| main() |
