2 # Copyright (C) 2006 OpenWrt.org
4 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
5 mount none /proc -t proc
7 if grep devfs /proc/filesystems > /dev/null; then
8 mount none /dev -t devfs
10 mount -t sysfs none /sys
11 mount -t tmpfs tmpfs /dev -o size=512K
12 mknod /dev/console c 5 1
18 mount none /dev/pts -t devpts
20 # the root mount point can come from the kernel command line
21 # or it can be overridden in the preinit.arch file
22 [ -f /etc/preinit.arch ] && . /etc/preinit.arch
24 # if we have no root parameter, just go to running from ramfs
26 export NOMOUNT="No Root"
30 #if we have a failsafe boot selected, dont bother
31 #trying to find or wait for a root mount point
32 [ -z "$FAILSAFE" ] || {
33 exec /bin/busybox init
36 # Load the modules we have in initramfs, this should
37 # make the media accessible, but, it may take some time
39 load_modules /etc/modules /etc/modules.d/*
41 #wait 10 seconds for the disc to show up
42 #usb stick typically takes 4 to 6 seconds
44 #it's quite possible the disc never shows up
45 #if we netbooted this kernel
47 while [ $COUNTER -lt 10 ]; do
49 [ -e $rootfs ] && let COUNTER=10;
53 export FAILSAFE="NoDisc"
54 exec /bin/busybox init
57 # now we'll try mount it, again with a timeout
58 # This will fail if the inserted stick is formatted
59 # in a manner we dont understand
61 while [ $COUNTER -lt 10 ]; do
64 [ $? -eq "0" ] && let COUNTER=100;
68 export FAILSAFE="MountFail"
69 exec /bin/busybox init
72 #It mounted, lets look for a postinit file, again, give it time
73 #I've seen this take 6 seconds to actually complete
75 while [ $COUNTER -lt 10 ]; do
77 [ -e /mnt/etc/banner ] && let COUNTER=10;
80 [ -e /mnt/etc/banner ] || {
81 export FAILSAFE="No Openwrt FS"
82 exec /bin/busybox init
87 mount -o move /proc /mnt/proc
88 mount -o move /dev /mnt/dev
89 mount -o move /dev/pts /mnt/dev/pts
90 mount -o move /tmp /mnt/tmp
91 mount -o move /sys /mnt/sys
92 mount none /tmp -t tmpfs
93 exec switch_root -c /dev/console /mnt /sbin/init