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#!/usr/bin/env python3
#
# Copyright (C) 2015 Clifford Wolf <clifford@clifford.at>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
import icebox
from icebox import re_match_cached
import getopt, sys, re, os
check_mode = False
fixup_mode = False
def usage():
print("""
Usage: %s [options] [input.asc [output.asc]]
-c
check colbuf bits
-f
fix colbuf bits
""" % os.path.basename(sys.argv[0]))
sys.exit(1)
try:
opts, args = getopt.getopt(sys.argv[1:], "cf")
except:
usage()
for o, a in opts:
if o == "-c":
check_mode = True
elif o == "-f":
fixup_mode = True
else:
usage()
if len(args) == 0:
args.append("/dev/stdin")
if len(args) not in [1, 2]:
usage()
if check_mode == fixup_mode:
print("Error: Use either -c or -f!")
sys.exit(1)
print("Reading file '%s'.." % args[0])
ic = icebox.iceconfig()
ic.read_file(args[0])
def make_cache(stmt, raw_db):
cache = list()
for entry in raw_db:
if entry[1] == stmt and entry[2].startswith("glb_netwk_"):
cache_entry = [int(entry[2][-1]), []]
for bit in entry[0]:
value = "1"
if bit.startswith("!"):
value = "0"
bit = bit[1:]
match = re_match_cached("B([0-9]+)\[([0-9]+)\]", bit)
cache_entry[1].append((int(match.group(1)), int(match.group(2)), value))
cache.append(cache_entry)
return cache
def match_cache_entry(cache_entry, tile_dat):
for entry in cache_entry[1]:
if tile_dat[entry[0]][entry[1]] != entry[2]:
return False
return True
def analyze_tile(ic, cache, tile_pos):
glbs = set()
tile_dat = ic.tile(tile_pos[0], tile_pos[1])
for cache_entry in cache:
if match_cache_entry(cache_entry, tile_dat):
glbs.add(cache_entry[0])
return glbs
colbuf_map = dict()
used_glbs_map = dict()
driven_glbs_map = dict()
for entry in ic.colbuf_db():
colbuf_map[(entry[2], entry[3])] = (entry[0], entry[1])
for tiles in [ic.io_tiles, ic.logic_tiles, ic.ramb_tiles, ic.ramt_tiles]:
cache = None
for tile in tiles:
if cache is None:
cache = make_cache("buffer", ic.tile_db(tile[0], tile[1]))
glbs = analyze_tile(ic, cache, tile)
if len(glbs):
assert tile in colbuf_map
s = used_glbs_map.setdefault(colbuf_map[tile], set())
used_glbs_map[colbuf_map[tile]] = s.union(glbs)
cache = None
for tile in tiles:
if cache is None:
cache = make_cache("ColBufCtrl", ic.tile_db(tile[0], tile[1]))
glbs = analyze_tile(ic, cache, tile)
if len(glbs):
driven_glbs_map[tile] = glbs
def set_colbuf(ic, tile, bit, value):
tile_dat = ic.tile(tile[0], tile[1])
tile_db = ic.tile_db(tile[0], tile[1])
for entry in tile_db:
if entry[1] == "ColBufCtrl" and entry[2] == "glb_netwk_%d" % bit:
match = re_match_cached("B([0-9]+)\[([0-9]+)\]", entry[0][0])
l = tile_dat[int(match.group(1))]
n = int(match.group(2))
l = l[:n] + value + l[n+1:]
tile_dat[int(match.group(1))] = l
return
assert False
error_count = 0
correct_count = 0
for tile, bits in sorted(used_glbs_map.items()):
for bit in bits:
if tile not in driven_glbs_map or bit not in driven_glbs_map[tile]:
print("Missing driver for glb_netwk_%d in tile %s" % (bit, tile))
set_colbuf(ic, tile, bit, "1")
error_count += 1
for tile, bits in sorted(driven_glbs_map.items()):
for bit in bits:
if tile not in used_glbs_map or bit not in used_glbs_map[tile]:
print("Unused driver for glb_netwk_%d in tile %s" % (bit, tile))
set_colbuf(ic, tile, bit, "0")
error_count += 1
else:
# print("Correct driver for glb_netwk_%d in tile %s" % (bit, tile))
correct_count += 1
print("Found %d correct driver bits." % correct_count)
if error_count != 0:
if not fixup_mode:
print("Found %d errors!" % error_count)
sys.exit(1)
ic.write_file(args[0] if len(args) == 1 else args[1])
print("Corrected %d errors." % error_count)
else:
print("No errors found.")
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