tools/b43-tools/files/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("LCN40     => LCN40-PHY")
  26         print("AC        => AC-PHY")
  27         print("")
  28         print("COREREVS is a comma separated list of core revision numbers.")
  29
  30 if len(sys.argv) != 4:
  31         usage()
  32         sys.exit(1)
  33
  34 phytypes = sys.argv[1]
  35 corerevs = sys.argv[2]
  36 fwpath = sys.argv[3]
  37
  38 phytypes = phytypes.split(',')
  39 try:
  40         corerevs = map(lambda r: int(r), corerevs.split(','))
  41 except ValueError:
  42         print("ERROR: \"%s\" is not a valid COREREVS string\n" % corerevs)
  43         usage()
  44         sys.exit(1)
  45
  46
  47 fwfiles = os.listdir(fwpath)
  48 fwfiles = filter(lambda str: str.endswith(".fw"), fwfiles)
  49 if not fwfiles:
  50         print("ERROR: No firmware files found in %s" % fwpath)
  51         sys.exit(1)
  52
  53 required_fwfiles = []
  54
  55 def revs_match(revs_a, revs_b):
  56         for rev in revs_a:
  57                 if rev in revs_b:
  58                         return True
  59         return False
  60
  61 def phytypes_match(types_a, types_b):
  62         for type in types_a:
  63                 type = type.strip().upper()
  64                 if type in types_b:
  65                         return True
  66         return False
  67
  68 revmapping = {
  69         "ucode2.fw"             : ( (2,3,),             ("G",), ),
  70         "ucode4.fw"             : ( (4,),               ("G",), ),
  71         "ucode5.fw"             : ( (5,6,7,8,9,10,),    ("G","A","AG",), ),
  72         "ucode11.fw"            : ( (11,12,),           ("N",), ),
  73         "ucode13.fw"            : ( (13,),              ("LP","G",), ),
  74         "ucode14.fw"            : ( (14,),              ("LP",), ),
  75         "ucode15.fw"            : ( (15,),              ("LP",), ),
  76         "ucode16_mimo.fw"       : ( (16,17,18,19,23,),  ("N",), ),
  77 #       "ucode16_lp.fw"         : ( (16,17,18,19,),     ("LP",), ),
  78         "ucode24_lcn.fw"        : ( (24,),              ("LCN",), ),
  79         "ucode25_mimo.fw"       : ( (25,28,),           ("N",), ),
  80         "ucode25_lcn.fw"        : ( (25,28,),           ("LCN",), ),
  81         "ucode26_mimo.fw"       : ( (26,),              ("HT",), ),
  82         "ucode29_mimo.fw"       : ( (29,),              ("HT",), ),
  83         "ucode30_mimo.fw"       : ( (30,),              ("N",), ),
  84         "ucode33_lcn40.fw"      : ( (33,),              ("LCN40",), ),
  85         "ucode40.fw"            : ( (40,),              ("AC",), ),
  86         "ucode42.fw"            : ( (42,),              ("AC",), ),
  87         "pcm4.fw"               : ( (1,2,3,4,),         ("G",), ),
  88         "pcm5.fw"               : ( (5,6,7,8,9,10,),    ("G","A","AG",), ),
  89 }
  90
  91 initvalmapping = {
  92         "a0g1initvals5.fw"      : ( (5,6,7,8,9,10,),    ("AG",), ),
  93         "a0g0initvals5.fw"      : ( (5,6,7,8,9,10,),    ("A", "AG",), ),
  94         "b0g0initvals2.fw"      : ( (2,4,),             ("G",), ),
  95         "b0g0initvals5.fw"      : ( (5,6,7,8,9,10,),    ("G",), ),
  96         "b0g0initvals13.fw"     : ( (13,),              ("G",), ),
  97         "n0initvals11.fw"       : ( (11,12,),           ("N",), ),
  98         "n0initvals16.fw"       : ( (16,17,18,23,),     ("N",), ),
  99         "n0initvals24.fw"       : ( (24,),              ("N",), ),
 100         "n0initvals25.fw"       : ( (25,28,),           ("N",), ),
 101         "n16initvals30.fw"      : ( (30,),              ("N",), ),
 102         "lp0initvals13.fw"      : ( (13,),              ("LP",), ),
 103         "lp0initvals14.fw"      : ( (14,),              ("LP",), ),
 104         "lp0initvals15.fw"      : ( (15,),              ("LP",), ),
 105 #       "lp0initvals16.fw"      : ( (16,17,18,),        ("LP",), ),
 106         "lcn0initvals24.fw"     : ( (24,),              ("LCN",), ),
 107         "ht0initvals26.fw"      : ( (26,),              ("HT",), ),
 108         "ht0initvals29.fw"      : ( (29,),              ("HT",), ),
 109         "lcn400initvals33.fw"   : ( (33,),              ("LCN40",), ),
 110         "ac0initvals40.fw"      : ( (40,),              ("AC",), ),
 111         "ac1initvals42.fw"      : ( (42,),              ("AC",), ),
 112         "a0g1bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("AG",), ),
 113         "a0g0bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("A", "AG"), ),
 114         "b0g0bsinitvals5.fw"    : ( (5,6,7,8,9,10,),    ("G",), ),
 115         "n0bsinitvals11.fw"     : ( (11,12,),           ("N",), ),
 116         "n0bsinitvals16.fw"     : ( (16,17,18,23,),     ("N",), ),
 117         "n0bsinitvals24.fw"     : ( (24,),              ("N",), ),
 118         "n0bsinitvals25.fw"     : ( (25,28,),           ("N",), ),
 119         "n16bsinitvals30.fw"    : ( (30,),              ("N",), ),
 120         "lp0bsinitvals13.fw"    : ( (13,),              ("LP",), ),
 121         "lp0bsinitvals14.fw"    : ( (14,),              ("LP",), ),
 122         "lp0bsinitvals15.fw"    : ( (15,),              ("LP",), ),
 123 #       "lp0bsinitvals16.fw"    : ( (16,17,18,),        ("LP",), ),
 124         "lcn0bsinitvals24.fw"   : ( (24,),              ("LCN",), ),
 125         "ht0bsinitvals26.fw"    : ( (26,),              ("HT",), ),
 126         "ht0bsinitvals29.fw"    : ( (29,),              ("HT",), ),
 127         "lcn400bsinitvals33.fw" : ( (33,),              ("LCN40",), ),
 128         "ac0bsinitvals40.fw"    : ( (40,),              ("AC",), ),
 129         "ac1bsinitvals42.fw"    : ( (42,),              ("AC",), ),
 130 }
 131
 132 for f in fwfiles:
 133         if f in revmapping:
 134                 if revs_match(corerevs, revmapping[f][0]) and\
 135                    phytypes_match(phytypes, revmapping[f][1]):
 136                         required_fwfiles += [f]
 137                 continue
 138         if f in initvalmapping:
 139                 if revs_match(corerevs, initvalmapping[f][0]) and\
 140                    phytypes_match(phytypes, initvalmapping[f][1]):
 141                         required_fwfiles += [f]
 142                 continue
 143         print("WARNING: Firmware file %s not found in the mapping lists" % f)
 144
 145 for f in fwfiles:
 146         if f not in required_fwfiles:
 147                 print("Deleting %s" % f)
 148                 os.unlink(fwpath + '/' + f)
 149