summaryrefslogtreecommitdiff
path: root/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
blob: 09514c3b3fe4235bbdf8e49734dd90201f3e3cd7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
#
# Copyright (C) 2009 OpenWrt.org
#

. /lib/ar71xx.sh

PART_NAME=firmware
RAMFS_COPY_DATA=/lib/ar71xx.sh

CI_BLKSZ=65536
CI_LDADR=0x80060000

platform_find_partitions() {
	local first dev size erasesize name
	while read dev size erasesize name; do
		name=${name#'"'}; name=${name%'"'}
		case "$name" in
			vmlinux.bin.l7|kernel|linux|rootfs)
				if [ -z "$first" ]; then
					first="$name"
				else
					echo "$erasesize:$first:$name"
					break
				fi
			;;
		esac
	done < /proc/mtd
}

platform_find_kernelpart() {
	local part
	for part in "${1%:*}" "${1#*:}"; do
		case "$part" in
			vmlinux.bin.l7|kernel|linux)
				echo "$part"
				break
			;;
		esac
	done
}

platform_do_upgrade_combined() {
	local partitions=$(platform_find_partitions)
	local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
	local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
	local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
	local kern_blocks=$(($kern_length / $CI_BLKSZ))
	local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))

	if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
	   [ ${kern_blocks:-0} -gt 0 ] && \
	   [ ${root_blocks:-0} -gt ${kern_blocks:-0} ] && \
	   [ ${erase_size:-0} -gt 0 ];
	then
		local append=""
		[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"

		( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
		  dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \
			mtd -r $append -F$kernelpart:$kern_length:$CI_LDADR,rootfs write - $partitions
	fi
}

platform_check_image() {
	local board=$(ar71xx_board_name)
	local magic="$(get_magic_word "$1")"
	local magic_long="$(get_magic_long "$1")"

	[ "$ARGC" -gt 1 ] && return 1

	case "$board" in
	ap121 | ap121-mini)
		[ "$magic_long" != "68737173" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	ap81 | ap83 | dir-600-a1 | dir-615-c1 | dir-825-b1 | mzk-w04nu | mzk-w300nh | tew-632brp | wrt400n | bullet-m | nanostation-m | rocket-m | wzr-hp-g300nh | wzr-hp-g301nh | nbg460n_550n_550nh | unifi )
		[ "$magic" != "2705" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	tl-mr3220 | tl-mr3420 | tl-wa901nd | tl-wa901nd-v2 | tl-wr741nd | tl-wr841n-v1 | tl-wr941nd | tl-wr1043nd)
		[ "$magic" != "0100" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	wndr3700)
		[ "$magic_long" != "33373030" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	wndr3700v2)
		[ "$magic_long" != "33373031" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	wrt160nl)
		[ "$magic" != "4e4c" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	zcn-1523h-2 | zcn-1523h-5)
		[ "$magic" != "6873" -a "$magic" != "1985" ] && {
			echo "Invalid image type."
			return 1
		}
		return 0
		;;
	routerstation | routerstation-pro | ls-sr71 | pb42 | pb44 | eap7660d | ja76pf )
		[ "$magic" != "4349" ] && {
			echo "Invalid image. Use *-sysupgrade.bin files on this board"
			return 1
		}

		local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
		local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"

		if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
			return 0
		else
			echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
			return 1
		fi
		return 0
		;;
	esac

	echo "Sysupgrade is not yet supported on $board."
	return 1
}

platform_do_upgrade() {
	local board=$(ar71xx_board_name)

	case "$board" in
	routerstation | routerstation-pro | ls-sr71 | eap7660d | ja76pf )
		platform_do_upgrade_combined "$ARGV"
		;;
	*)
		default_do_upgrade "$ARGV"
		;;
	esac
}

disable_watchdog() {
	killall watchdog
	( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
		echo 'Could not disable watchdog'
		return 1
	}
}

append sysupgrade_pre_upgrade disable_watchdog