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1#!/system/bin/sh
2# Copyright (c) 2013, The Linux Foundation. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met:
7#     * Redistributions of source code must retain the above copyright
8#       notice, this list of conditions and the following disclaimer.
9#     * Redistributions in binary form must reproduce the above
10#       copyright notice, this list of conditions and the following
11#       disclaimer in the documentation and/or other materials provided
12#       with the distribution.
13#     * Neither the name of The Linux Foundation nor the names of its
14#       contributors may be used to endorse or promote products derived
15#       from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29#
30
31# No path is set up at this point so we have to do it here.
32PATH=/sbin:/system/sbin:/system/bin:/system/xbin
33export PATH
34
35# Check for images and set up symlinks
36cd /firmware/image
37
38# Get the list of files in /firmware/image
39# for which sym links have to be created
40
41fwfiles=`ls modem* adsp* wcnss* mba*`
42
43# Check if the links with similar names
44# have been created in /system/etc/firmware
45
46cd /system/etc/firmware
47linksNeeded=0
48
49# For everyfile in fwfiles check if
50# the corresponding file exists
51for fwfile in $fwfiles; do
52
53   # if (condition) does not seem to work
54   # with the android shell. Therefore
55   # make do with case statements instead.
56   # if a file named $fwfile is present
57   # no need to create links. If the file
58   # with the name $fwfile is not present
59   # need to create links.
60
61   case `ls $fwfile` in
62      $fwfile)
63         continue;;
64      *)
65         # file with $fwfile does not exist
66         # need to create links
67         linksNeeded=1
68         break;;
69   esac
70
71done
72
73# symlinks created for qca6714 firmware
74ln -s /firmware/image/athwlan.bin /system/etc/firmware/athwlan.bin
75ln -s /firmware/image/fakeboar.bin /system/etc/firmware/fakeBoardData_AR6004.bin
76ln -s /firmware/image/otp.bin /system/etc/firmware/otp.bin
77ln -s /firmware/image/utf.bin /system/etc/firmware/utf.bin
78
79case $linksNeeded in
80   1)
81      cd /firmware/image
82
83      case `ls modem.mdt 2>/dev/null` in
84         modem.mdt)
85            for imgfile in modem*; do
86               ln -s /firmware/image/$imgfile /system/etc/firmware/$imgfile 2>/dev/null
87            done
88            ;;
89        *)
90            # trying to log here but nothing will be logged since it is
91            # early in the boot process. Is there a way to log this message?
92            log -p w -t PIL no modem image found;;
93      esac
94
95      case `ls adsp.mdt 2>/dev/null` in
96         adsp.mdt)
97            for imgfile in adsp*; do
98               ln -s /firmware/image/$imgfile /system/etc/firmware/$imgfile 2>/dev/null
99            done
100            ;;
101         *)
102            log -p w -t PIL no adsp image found;;
103      esac
104
105      case `ls wcnss.mdt 2>/dev/null` in
106         wcnss.mdt)
107            for imgfile in wcnss*; do
108               ln -s /firmware/image/$imgfile /system/etc/firmware/$imgfile 2>/dev/null
109            done
110            ;;
111         *)
112            log -p w -t PIL no wcnss image found;;
113      esac
114
115      case `ls mba.mdt 2>/dev/null` in
116         mba.mdt)
117            for imgfile in mba*; do
118               ln -s /firmware/image/$imgfile /system/etc/firmware/$imgfile 2>/dev/null
119            done
120            ;;
121         *)
122            log -p w -t PIL no mba image found;;
123      esac
124
125      ;;
126
127   *)
128      # Nothing to do. No links needed
129      ;;
130esac
131
132cd /
133