octeon: sysupgrade: support config restore
[openwrt/staging/lynxis.git] / target / linux / octeon / base-files / lib / upgrade / platform.sh
1 #
2 # Copyright (C) 2014 OpenWrt.org
3 #
4
5 . /lib/functions/octeon.sh
6
7 platform_get_rootfs() {
8 local rootfsdev
9
10 if read cmdline < /proc/cmdline; then
11 case "$cmdline" in
12 *block2mtd=*)
13 rootfsdev="${cmdline##*block2mtd=}"
14 rootfsdev="${rootfsdev%%,*}"
15 ;;
16 *root=*)
17 rootfsdev="${cmdline##*root=}"
18 rootfsdev="${rootfsdev%% *}"
19 ;;
20 esac
21
22 echo "${rootfsdev}"
23 fi
24 }
25
26 platform_copy_config() {
27 local board="$(octeon_board_name)"
28 local rootfs="$(platform_get_rootfs)"
29
30 mount -t ext4 -o rw,noatime "${rootfs}" /mnt
31 cp -af "$CONF_TAR" /mnt/
32 umount /mnt
33 }
34
35 platform_do_upgrade() {
36 local board=$(octeon_board_name)
37 local rootfs="$(platform_get_rootfs)"
38
39 [ -d "${rootfs}" ] || return 1
40
41 case "$board" in
42 erlite)
43 local tar_file="$1"
44 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
45 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
46
47 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
48 mv /boot/vmlinux.64 /boot/vmlinux.64.previous
49 mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
50 }
51
52 mkdir -p /boot
53 mount -t vfat /dev/sda1 /boot
54 tar xf $tar_file sysupgrade-erlite/kernel -O > /boot/vmlinux.64
55 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
56 tar xf $tar_file sysupgrade-erlite/root -O | dd of="${rootfs}" bs=4096
57 sync
58 umount /mnt
59 return 0
60 ;;
61 esac
62
63 return 1
64
65 }
66
67 platform_check_image() {
68 local board=$(octeon_board_name)
69
70 case "$board" in
71 erlite)
72 local tar_file="$1"
73 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
74 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
75 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
76 echo "The upgarde image is corrupt."
77 return 1
78 }
79 return 0
80 ;;
81 esac
82
83 echo "Sysupgrade is not yet supported on $board."
84 return 1
85 }