2 # Copyright (C) 2006-2010 OpenWrt.org
3 # Copyright (C) 2010 Vertical Communications
10 eval "$hook=\"\${$hook:+\${$hook}\${value:+\$sep}}\$value\""
15 for boot_func in $(eval "echo \"\$${1}_hook\""); do
21 local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
22 local PREFIX=/dev/mtdblock
25 [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
26 echo "${PART:+$PREFIX$PART}"
30 mtdpart="$(find_mtd_part rootfs_data)"
31 magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
32 [ "$magic" != "deadc0de" ]
35 dupe() { # <new_root> <old_root>
37 echo -n "creating directories... "
41 echo "./dev ./jffs ./mnt ./proc ./tmp"
42 # xdev skips mounted directories
47 echo -n "setting up symlinks... "
48 for file in $(cd $2; find . -xdev -type f;); do
50 ./rom/note) ;; #nothing
52 ./usr/lib/opkg/info/*) cp -af $2/$file $file;;
53 *) ln -sf /rom/${file#./*} $file;;
56 for file in $(cd $2; find . -xdev -type l;); do
57 cp -af $2/${file#./*} $file
62 pivot() { # <new_root> <old_root>
63 mount -o move /proc $1/proc && \
64 pivot_root $1 $1$2 && {
65 mount -o move $2/dev /dev
66 mount -o move $2/tmp /tmp
67 mount -o move $2/sys /sys 2>&-
68 mount -o move $2/jffs /jffs 2>&-
73 fopivot() { # <rw_root> <ro_root> <dupe?>
76 if grep -q mini_fo /proc/filesystems; then
77 mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
80 mount --bind -o union "$1" /mnt && root=/mnt
84 mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
93 mount -t tmpfs root /tmp/root
94 fopivot /tmp/root /rom 1