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="$(find_mtd_part rootfs_data)"
35 magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
36 [ "$magic" != "deadc0de" ]
39 dupe() { # <new_root> <old_root>
41 echo -n "creating directories... "
45 echo "./dev ./overlay ./mnt ./proc ./tmp"
46 # xdev skips mounted directories
51 echo -n "setting up symlinks... "
52 for file in $(cd $2; find . -xdev -type f;); do
54 ./rom/note) ;; #nothing
56 ./usr/lib/opkg/info/*) cp -af $2/$file $file;;
57 *) ln -sf /rom/${file#./*} $file;;
60 for file in $(cd $2; find . -xdev -type l;); do
61 cp -af $2/${file#./*} $file
66 pivot() { # <new_root> <old_root>
67 mount -o move /proc $1/proc && \
68 pivot_root $1 $1$2 && {
69 mount -o move $2/dev /dev
70 mount -o move $2/tmp /tmp
71 mount -o move $2/sys /sys 2>&-
72 mount -o move $2/overlay /overlay 2>&-
77 fopivot() { # <rw_root> <ro_root> <dupe?>
80 if grep -q mini_fo /proc/filesystems; then
81 mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
84 mount --bind -o union "$1" /mnt && root=/mnt
88 mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
97 mount -t tmpfs root /tmp/root
98 fopivot /tmp/root /rom 1