#!/bin/sh BLKSZ=65536 [ -f "$1" -a -f "$2" ] || { echo "Usage: $0 [output file]" exit 1 } # Make sure provided images are 64k aligned. kern=$(mktemp) root=$(mktemp) dd if="$1" of="$kern" bs=$BLKSZ conv=sync 2>/dev/null dd if="$2" of="$root" bs=$BLKSZ conv=sync 2>/dev/null # Calculate md5sum over combined kernel and rootfs image. md5=$(cat "$kern" "$root" | md5sum -) # Write image header followed by kernel and rootfs image. # The header is padded to 64k, format is: # CI magic word ("Combined Image") # length of kernel encoded as zero padded 8 digit hex # length of rootfs encoded as zero padded 8 digit hex # checksum of the combined kernel and rootfs image ( printf "CI%08x%08x%32s" \ $(stat -c "%s" "$kern") $(stat -c "%s" "$root") "${md5%% *}" | \ dd bs=$BLKSZ conv=sync; cat "$kern" "$root" ) > ${3:-openwrt-combined.img} 2>/dev/null # Clean up. rm -f "$kern" "$root" itude_adjustment'>attitude_adjustment upstream openwrtJames
aboutsummaryrefslogtreecommitdiffstats
path: root/include/kernel-defaults.mk
blob: 52ce03776caaa59f6a8aa1b99f08a333b8a1aab0 (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