blob: 3ba591fb3c14f9fe0d4c4da39748ccd51e85490c (
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
|
CI_BLKSZ=65536
CI_LDADR=0x00800000
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_find_part_size() {
local first dev size erasesize name
while read dev size erasesize name; do
name=${name#'"'}; name=${name%'"'}
[ "$name" = "$1" ] && {
echo "$size"
break
}
done < /proc/mtd
}
platform_do_upgrade_combined() {
local partitions=$(platform_find_partitions)
local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
local kern_part_size=0x$(platform_find_part_size "$kernelpart")
local kern_part_blocks=$(($kern_part_size / $CI_BLKSZ))
local kern_length=0x$(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) / $CI_BLKSZ))
v "platform_do_upgrade_combined"
v "partitions=$partitions"
v "kernelpart=$kernelpart"
v "kernel_part_size=$kern_part_size"
v "kernel_part_blocks=$kern_part_blocks"
v "kern_length=$kern_length"
v "erase_size=$erase_size"
v "kern_blocks=$kern_blocks"
v "root_blocks=$root_blocks"
v "kern_pad_blocks=$(($kern_part_blocks-$kern_blocks))"
if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
[ ${kern_blocks:-0} -gt 0 ] && \
[ ${root_blocks:-0} -gt 0 ] && \
[ ${erase_size:-0} -gt 0 ];
then
local append=""
[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
# write the kernel
dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | \
mtd -F$kernelpart:$kern_part_size:$CI_LDADR write - $kernelpart
# write the rootfs
dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \
mtd $append write - rootfs
else
echo "invalid image"
fi
}
platform_check_image() {
local board=$(board_name)
local magic="$(get_magic_word "$1")"
local partitions=$(platform_find_partitions)
local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
local kern_part_size=0x$(platform_find_part_size "$kernelpart")
local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
[ "$#" -gt 1 ] && return 1
case "$board" in
avila | cambria )
[ "$magic" != "4349" ] && {
echo "Invalid image. Use *-sysupgrade.bin files on this board"
return 1
}
kern_length_b=$(printf '%d' $kern_length)
kern_part_size_b=$(printf '%d' $kern_part_size)
if [ $kern_length_b -gt $kern_part_size_b ]; then
echo "Invalid image. Kernel size ($kern_length) exceeds kernel partition ($kern_part_size)"
return 1
fi
local md5_img=$(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 $board."
return 1
}
platform_do_upgrade() {
local board=$(board_name)
v "board=$board"
case "$board" in
avila | cambria )
platform_do_upgrade_combined "$1"
;;
*)
default_do_upgrade "$1"
;;
esac
}
|
