OpenWrt – Rev 1
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#!/usr/bin/env python
#
# b43 firmware file squasher
# Removes unnecessary firmware files
#
# Copyright (c) 2009 Michael Buesch <mb@bu3sch.de>
#
# Licensed under the GNU/GPL version 2 or (at your option) any later version.
#
import sys
import os
def usage():
print("Usage: %s PHYTYPES COREREVS /path/to/extracted/firmware" % sys.argv[0])
print("")
print("PHYTYPES is a comma separated list of:")
print("A => A-PHY")
print("AG => Dual A-PHY G-PHY")
print("G => G-PHY")
print("LP => LP-PHY")
print("N => N-PHY")
print("HT => HT-PHY")
print("LCN => LCN-PHY")
print("LCN40 => LCN40-PHY")
print("AC => AC-PHY")
print("")
print("COREREVS is a comma separated list of core revision numbers.")
if len(sys.argv) != 4:
usage()
sys.exit(1)
phytypes = sys.argv[1]
corerevs = sys.argv[2]
fwpath = sys.argv[3]
phytypes = phytypes.split(',')
try:
corerevs = map(lambda r: int(r), corerevs.split(','))
except ValueError:
print("ERROR: \"%s\" is not a valid COREREVS string\n" % corerevs)
usage()
sys.exit(1)
fwfiles = os.listdir(fwpath)
fwfiles = filter(lambda str: str.endswith(".fw"), fwfiles)
if not fwfiles:
print("ERROR: No firmware files found in %s" % fwpath)
sys.exit(1)
required_fwfiles = []
def revs_match(revs_a, revs_b):
for rev in revs_a:
if rev in revs_b:
return True
return False
def phytypes_match(types_a, types_b):
for type in types_a:
type = type.strip().upper()
if type in types_b:
return True
return False
revmapping = {
"ucode2.fw" : ( (2,3,), ("G",), ),
"ucode4.fw" : ( (4,), ("G",), ),
"ucode5.fw" : ( (5,6,7,8,9,10,), ("G","A","AG",), ),
"ucode11.fw" : ( (11,12,), ("N",), ),
"ucode13.fw" : ( (13,), ("LP","G",), ),
"ucode14.fw" : ( (14,), ("LP",), ),
"ucode15.fw" : ( (15,), ("LP",), ),
"ucode16_mimo.fw" : ( (16,17,18,19,23,), ("N",), ),
# "ucode16_lp.fw" : ( (16,17,18,19,), ("LP",), ),
"ucode24_lcn.fw" : ( (24,), ("LCN",), ),
"ucode25_mimo.fw" : ( (25,28,), ("N",), ),
"ucode25_lcn.fw" : ( (25,28,), ("LCN",), ),
"ucode26_mimo.fw" : ( (26,), ("HT",), ),
"ucode29_mimo.fw" : ( (29,), ("HT",), ),
"ucode30_mimo.fw" : ( (30,), ("N",), ),
"ucode33_lcn40.fw" : ( (33,), ("LCN40",), ),
"ucode40.fw" : ( (40,), ("AC",), ),
"ucode42.fw" : ( (42,), ("AC",), ),
"pcm4.fw" : ( (1,2,3,4,), ("G",), ),
"pcm5.fw" : ( (5,6,7,8,9,10,), ("G","A","AG",), ),
}
initvalmapping = {
"a0g1initvals5.fw" : ( (5,6,7,8,9,10,), ("AG",), ),
"a0g0initvals5.fw" : ( (5,6,7,8,9,10,), ("A", "AG",), ),
"b0g0initvals2.fw" : ( (2,4,), ("G",), ),
"b0g0initvals5.fw" : ( (5,6,7,8,9,10,), ("G",), ),
"b0g0initvals13.fw" : ( (13,), ("G",), ),
"n0initvals11.fw" : ( (11,12,), ("N",), ),
"n0initvals16.fw" : ( (16,17,18,23,), ("N",), ),
"n0initvals24.fw" : ( (24,), ("N",), ),
"n0initvals25.fw" : ( (25,28,), ("N",), ),
"n16initvals30.fw" : ( (30,), ("N",), ),
"lp0initvals13.fw" : ( (13,), ("LP",), ),
"lp0initvals14.fw" : ( (14,), ("LP",), ),
"lp0initvals15.fw" : ( (15,), ("LP",), ),
# "lp0initvals16.fw" : ( (16,17,18,), ("LP",), ),
"lcn0initvals24.fw" : ( (24,), ("LCN",), ),
"ht0initvals26.fw" : ( (26,), ("HT",), ),
"ht0initvals29.fw" : ( (29,), ("HT",), ),
"lcn400initvals33.fw" : ( (33,), ("LCN40",), ),
"ac0initvals40.fw" : ( (40,), ("AC",), ),
"ac1initvals42.fw" : ( (42,), ("AC",), ),
"a0g1bsinitvals5.fw" : ( (5,6,7,8,9,10,), ("AG",), ),
"a0g0bsinitvals5.fw" : ( (5,6,7,8,9,10,), ("A", "AG"), ),
"b0g0bsinitvals5.fw" : ( (5,6,7,8,9,10,), ("G",), ),
"n0bsinitvals11.fw" : ( (11,12,), ("N",), ),
"n0bsinitvals16.fw" : ( (16,17,18,23,), ("N",), ),
"n0bsinitvals24.fw" : ( (24,), ("N",), ),
"n0bsinitvals25.fw" : ( (25,28,), ("N",), ),
"n16bsinitvals30.fw" : ( (30,), ("N",), ),
"lp0bsinitvals13.fw" : ( (13,), ("LP",), ),
"lp0bsinitvals14.fw" : ( (14,), ("LP",), ),
"lp0bsinitvals15.fw" : ( (15,), ("LP",), ),
# "lp0bsinitvals16.fw" : ( (16,17,18,), ("LP",), ),
"lcn0bsinitvals24.fw" : ( (24,), ("LCN",), ),
"ht0bsinitvals26.fw" : ( (26,), ("HT",), ),
"ht0bsinitvals29.fw" : ( (29,), ("HT",), ),
"lcn400bsinitvals33.fw" : ( (33,), ("LCN40",), ),
"ac0bsinitvals40.fw" : ( (40,), ("AC",), ),
"ac1bsinitvals42.fw" : ( (42,), ("AC",), ),
}
for f in fwfiles:
if f in revmapping:
if revs_match(corerevs, revmapping[f][0]) and\
phytypes_match(phytypes, revmapping[f][1]):
required_fwfiles += [f]
continue
if f in initvalmapping:
if revs_match(corerevs, initvalmapping[f][0]) and\
phytypes_match(phytypes, initvalmapping[f][1]):
required_fwfiles += [f]
continue
print("WARNING: Firmware file %s not found in the mapping lists" % f)
for f in fwfiles:
if f not in required_fwfiles:
print("Deleting %s" % f)
os.unlink(fwpath + '/' + f)