package/mac80211/files/host_bin/b43-fwsquash.py

   1 #!/usr/bin/env python
   2 #
   3 # b43 firmware file squasher
   4 # Removes unnecessary firmware files
   5 #
   6 # Copyright (c) 2009 Michael Buesch <mb@bu3sch.de>
   7 #
   8 # Licensed under the GNU/GPL version 2 or (at your option) any later version.
   9 #
  10
  11 import sys
  12 import os
  13
  14 def usage():
  15         print("Usage: %s PHYTYPES COREREVS /path/to/extracted/firmware" % sys.argv[0])
  16         print("")
  17         print("PHYTYPES is a comma separated list of:")
  18         print("A         => A-PHY")
  19         print("AG        => Dual A-PHY G-PHY")
  20         print("G         => G-PHY")
  21         print("LP        => LP-PHY")
  22         print("N         => N-PHY")
  23         print("HT        => HT-PHY")
  24         print("LCN       => LCN-PHY")
  25         print("")
  26         print("COREREVS is a comma separated list of core revision numbers.")
  27
  28 if len(sys.argv) != 4:
  29         usage()
  30         sys.exit(1)
  31
  32 phytypes = sys.argv[1]
  33 corerevs = sys.argv[2]
  34 fwpath = sys.argv[3]
  35
  36 phytypes = phytypes.split(',')
  37 try:
  38         corerevs = map(lambda r: int(r), corerevs.split(','))
  39 except ValueError:
  40         print("ERROR: \"%s\" is not a valid COREREVS string\n" % corerevs)
  41         usage()
  42         sys.exit(1)
  43
  44
  45 fwfiles = os.listdir(fwpath)
  46 fwfiles = filter(lambda str: str.endswith(".fw"), fwfiles)
  47 if not fwfiles:
  48         print("ERROR: No firmware files found in %s" % fwpath)
  49         sys.exit(1)
  50
  51 required_fwfiles = []
  52
  53 def revs_match(revs_a, revs_b):
  54         for rev in revs_a:
  55                 if rev in revs_b:
  56                         return True
  57         return False
  58
  59 def phytypes_match(types_a, types_b):
  60         for type in types_a:
  61                 type = type.strip().upper()
  62                 if type in types_b:
  63                         return True
  64         return False
  65
  66 revmapping = {
  67         "ucode2.fw"             : (2,3,),
  68         "ucode4.fw"             : (4,),
  69         "ucode5.fw"             : (5,6,7,8,9,10,),
  70         "ucode11.fw"            : (11,12,),
  71         "ucode13.fw"            : (13,),
  72         "ucode14.fw"            : (14,),
  73         "ucode15.fw"            : (15,),
  74         "ucode16_mimo.fw"       : (16,),
  75         "ucode24_mimo.fw"       : (24,),
  76         "ucode29_mimo.fw"       : (29,),
  77         "pcm4.fw"               : (1,2,3,4,),
  78         "pcm5.fw"               : (5,6,7,8,9,10,),
  79 }
  80
  81 initvalmapping = {
  82         "a0g1initvals5.fw"      : ( (5,6,7,8,9,10,),    ("AG",), ),
  83         "a0g0initvals5.fw"      : ( (5,6,7,8,9,10,),    ("A", "AG",), ),
  84         "b0g0initvals2.fw"      : ( (2,4,),             ("G",), ),
  85         "b0g0initvals5.fw"      : ( (5,6,7,8,9,10,),    ("G",), ),
  86         "b0g0initvals13.fw"     : ( (13,),              ("G",), ),
  87         "n0initvals11.fw"       : ( (11,12,),           ("N",), ),
  88         "n0initvals16.fw"       : ( (16,),              ("N",), ),
  89         "lp0initvals13.fw"      : ( (13,),              ("LP",), ),
  90         "lp0initvals14.fw"      : ( (14,),              ("LP",), ),
  91         "lp0initvals15.fw"      : ( (15,),              ("LP",), ),
  92         "lcn0initvals24.fw"     : ( (24,),              ("LCN",), ),
  93         "ht0initvals29.fw"      : ( (29,),              ("HT",), ),
  94         "a0g1bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("AG",), ),
  95         "a0g0bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("A", "AG"), ),
  96         "b0g0bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("G",), ),
  97         "n0bsinitvals11.fw"     : ( (11,12,),           ("N",), ),
  98         "n0bsinitvals16.fw"     : ( (16,),              ("N",), ),
  99         "lp0bsinitvals13.fw"    : ( (13,),              ("LP",), ),
 100         "lp0bsinitvals14.fw"    : ( (14,),              ("LP",), ),
 101         "lp0bsinitvals15.fw"    : ( (15,),              ("LP",), ),
 102         "lcn0bsinitvals24.fw"   : ( (24,),              ("LCN",), ),
 103         "ht0bsinitvals29.fw"    : ( (29,),              ("HT",), ),
 104 }
 105
 106 for f in fwfiles:
 107         if f in revmapping:
 108                 if revs_match(corerevs, revmapping[f]):
 109                         required_fwfiles += [f]
 110                 continue
 111         if f in initvalmapping:
 112                 if revs_match(corerevs, initvalmapping[f][0]) and\
 113                    phytypes_match(phytypes, initvalmapping[f][1]):
 114                         required_fwfiles += [f]
 115                 continue
 116         print("WARNING: Firmware file %s not found in the mapping lists" % f)
 117
 118 for f in fwfiles:
 119         if f not in required_fwfiles:
 120                 print("Deleting %s" % f)
 121                 os.unlink(fwpath + '/' + f)
 122