| #!/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 |
| |
| from prjxray.segmaker import Segmaker |
| |
| 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"^CLK", dst): |
| 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) |
| |
| |
| def bitfilter(frame_idx, bit_idx): |
| if frame_idx == 0 and bit_idx == 48: |
| return False |
| if frame_idx == 1 and bit_idx == 31: |
| return False |
| return frame_idx in [0, 1] |
| |
| |
| segmk.compile(bitfilter=bitfilter) |
| segmk.write(allow_empty=True) |
