blob: 18d31ade5aae080363cb9a09272d0916ec915bd4 (
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
|
#!/bin/sh
echo "Loading, please wait..."
mkdir /sys
mkdir /proc
mkdir /tmp
mkdir -p /var/lock
mount -t sysfs sysfs /sys
mount -t proc proc /proc
mount -t ramfs none /dev
touch /dev/.initramfs-tools
mknod /dev/console c 5 1
mknod /dev/null c 1 3
. /conf/initramfs.conf
. /scripts/functions
# Parse command line options
export break=
export init=/sbin/init
export quiet=n
export readonly=y
export ROOT=
export resume=${RESUME}
export rootmnt=/root
export debug=
for x in $(cat /proc/cmdline); do
case $x in
init=*)
init=${x#init=}
;;
root=*)
ROOT=${x#root=}
;;
nfsroot=*)
NFSROOT=${x#nfsroot=}
;;
boot=*)
BOOT=${x#boot=}
;;
resume=*)
resume=${x#resume=}
;;
quiet)
quiet=y
;;
ro)
readonly=y
;;
rw)
readonly=n
;;
debug)
debug=y
exec >/tmp/initramfs.debug 2>&1
set -x
;;
break)
break=yes
;;
esac
done
# Don't do log messages here to avoid confusing usplash
run_scripts /scripts/init-top
. /scripts/${BOOT}
depmod -a
# Populate /dev tree
log_begin_msg "Initializing /dev"
mkdir /dev/.udevdb
UDEVD_EXPECTED_SEQNUM=$(($(cat /sys/kernel/hotplug_seqnum) + 1)) udevd --daemon
udevsynthesize
sleep 2
log_end_msg
log_begin_msg "Loading modules"
load_modules
log_end_msg
parse_numeric ${ROOT}
if [ x${break} = xyes ]; then
panic "Spawning shell within the initramfs"
fi
log_begin_msg "Running /scripts/init-premount"
run_scripts /scripts/init-premount
log_end_msg
killall udevd
log_begin_msg "Mounting root file system"
mountroot
log_end_msg
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-bottom"
run_scripts /scripts/init-bottom
[ "$quiet" != "y" ] && log_end_msg
# Move our /dev to the real filesystem. Do the setup that udev otherwise
# would.
mkdir -p /dev/.static/dev
chmod 700 /dev/.static/
mount -n -o bind ${rootmnt}/dev /dev/.static/dev
mount -n -o move /dev ${rootmnt}/dev
umount /sys
umount /proc
if [ ! -x ${rootmnt}${init} ]; then
panic "Target filesystem doesn't have ${init}"
fi
# Chain to real filesystem
exec run-init ${rootmnt} ${init} "$@" </root/dev/console >/root/dev/console
|