|  | #!/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 re | 
|  | import os | 
|  |  | 
|  | from prjxray.segmaker import Segmaker | 
|  | from prjxray.bitfilter import get_bitfilter | 
|  |  | 
|  | segmk = Segmaker("design.bits") | 
|  |  | 
|  | tiledata = dict() | 
|  | pipdata = dict() | 
|  | ignpip = set() | 
|  |  | 
|  | print("Loading tags from design.txt.") | 
|  | with open("design.txt", "r") as f: | 
|  | for line in f: | 
|  | tile, pip, src, dst, pnum, pdir = line.split() | 
|  |  | 
|  | if not tile.startswith('INT_'): | 
|  | continue | 
|  |  | 
|  | _, pip = pip.split(".") | 
|  | _, src = src.split("/") | 
|  | _, dst = dst.split("/") | 
|  | pnum = int(pnum) | 
|  | pdir = int(pdir) | 
|  |  | 
|  | if tile not in tiledata: | 
|  | tiledata[tile] = {"pips": set(), "srcs": set(), "dsts": set()} | 
|  |  | 
|  | if pip in pipdata: | 
|  | assert pipdata[pip] == (src, dst) | 
|  | else: | 
|  | pipdata[pip] = (src, dst) | 
|  |  | 
|  | tiledata[tile]["pips"].add(pip) | 
|  | tiledata[tile]["srcs"].add(src) | 
|  | tiledata[tile]["dsts"].add(dst) | 
|  |  | 
|  | if pdir == 0: | 
|  | tiledata[tile]["srcs"].add(dst) | 
|  | tiledata[tile]["dsts"].add(src) | 
|  |  | 
|  | if pnum == 1 or pdir == 0 or not re.match(r"^(VCC|GND)_WIRE$", src): | 
|  | ignpip.add(pip) | 
|  |  | 
|  | for tile, pips_srcs_dsts in tiledata.items(): | 
|  | pips = pips_srcs_dsts["pips"] | 
|  | srcs = pips_srcs_dsts["srcs"] | 
|  | dsts = pips_srcs_dsts["dsts"] | 
|  |  | 
|  | for pip, src_dst in pipdata.items(): | 
|  | src, dst = src_dst | 
|  | if pip in ignpip: | 
|  | pass | 
|  | elif pip in pips: | 
|  | segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 1) | 
|  | elif src_dst[1] not in dsts: | 
|  | segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 0) | 
|  |  | 
|  | segmk.compile(bitfilter=get_bitfilter(os.getenv('XRAY_DATABASE'), 'INT')) | 
|  | segmk.write() |