OpenWrt – Blame information for rev 4

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Rev Author Line No. Line
4 office 1 #
2 # Copyright (C) 2014 OpenWrt.org
3 #
4  
5 linksys_get_target_firmware() {
6 cur_boot_part=`/usr/sbin/fw_printenv -n boot_part`
7 target_firmware=""
8 if [ "$cur_boot_part" = "1" ]
9 then
10 # current primary boot - update alt boot
11 target_firmware="kernel2"
12 fw_setenv boot_part 2
13 fw_setenv bootcmd "run altnandboot"
14 elif [ "$cur_boot_part" = "2" ]
15 then
16 # current alt boot - update primary boot
17 target_firmware="kernel1"
18 fw_setenv boot_part 1
19 fw_setenv bootcmd "run nandboot"
20 fi
21  
22 echo "$target_firmware"
23 }
24  
25 linksys_get_root_magic() {
26 (get_image "$@" | dd skip=786432 bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
27 }
28  
29 platform_do_upgrade_linksys() {
30 local magic_long="$(get_magic_long "$1")"
31  
32 mkdir -p /var/lock
33 local part_label="$(linksys_get_target_firmware)"
34 touch /var/lock/fw_printenv.lock
35  
36 if [ ! -n "$part_label" ]
37 then
38 echo "cannot find target partition"
39 exit 1
40 fi
41  
42 local target_mtd=$(find_mtd_part $part_label)
43  
44 [ "$magic_long" = "73797375" ] && {
45 CI_KERNPART="$part_label"
46 if [ "$part_label" = "kernel1" ]
47 then
48 CI_UBIPART="rootfs1"
49 else
50 CI_UBIPART="rootfs2"
51 fi
52  
53 nand_upgrade_tar "$1"
54 }
55 [ "$magic_long" = "27051956" ] && {
56 # check firmwares' rootfs types
57 local target_mtd=$(find_mtd_part $part_label)
58 local oldroot="$(linksys_get_root_magic $target_mtd)"
59 local newroot="$(linksys_get_root_magic "$1")"
60  
61 if [ "$newroot" = "55424923" -a "$oldroot" = "55424923" ]
62 # we're upgrading from a firmware with UBI to one with UBI
63 then
64 # erase everything to be safe
65 mtd erase $part_label
66 get_image "$1" | mtd -n write - $part_label
67 else
68 get_image "$1" | mtd write - $part_label
69 fi
70 }
71 }