2 # Copyright (C) 2006-2010 OpenWrt.org
3 # Copyright (C) 2010 Vertical Communications
6 /bin/busybox mount "$@"
10 local hook="${1}_hook"
14 eval "$hook=\"\${$hook:+\${$hook}\${value:+\$sep}}\$value\""
19 for boot_func in $(eval "echo \"\$${1}_hook\""); do
25 local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
26 local PREFIX=/dev/mtdblock
29 [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
30 echo "${PART:+$PREFIX$PART}"
34 mtdpart="$(find_mtd_part rootfs_data)"
35 [ -z "$mtdpart" ] && return 1
36 magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
37 [ "$magic" != "deadc0de" ]
40 dupe() { # <new_root> <old_root>
42 echo -n "creating directories... "
46 echo "./dev ./overlay ./mnt ./proc ./tmp"
47 # xdev skips mounted directories
52 echo -n "setting up symlinks... "
53 for file in $(cd $2; find . -xdev -type f;); do
55 ./rom/note) ;; #nothing
57 ./usr/lib/opkg/info/*) cp -af $2/$file $file;;
58 *) ln -sf /rom/${file#./*} $file;;
61 for file in $(cd $2; find . -xdev -type l;); do
62 cp -af $2/${file#./*} $file
67 pivot() { # <new_root> <old_root>
68 mount -o move /proc $1/proc && \
69 pivot_root $1 $1$2 && {
70 mount -o move $2/dev /dev
71 mount -o move $2/tmp /tmp
72 mount -o move $2/sys /sys 2>&-
73 mount -o move $2/overlay /overlay 2>&-
78 fopivot() { # <rw_root> <ro_root> <dupe?>
81 if grep -q mini_fo /proc/filesystems; then
82 mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
85 mount --bind -o union "$1" /mnt && root=/mnt
89 mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
98 mount -t tmpfs root /tmp/root
99 fopivot /tmp/root /rom 1