2 # Copyright (C) 2006-2010 OpenWrt.org
3 # Copyright (C) 2010 Vertical Communications
6 /bin/busybox mount -o noatime "$@"
9 boot_hook_splice_start() {
10 export -n PI_HOOK_SPLICE=1
13 boot_hook_splice_finish() {
15 for hook in $PI_STACK_LIST; do
16 local v; eval "v=\${${hook}_splice:+\$${hook}_splice }$hook"
17 export -n "${hook}=${v% }"
18 export -n "${hook}_splice="
20 export -n PI_HOOK_SPLICE=
24 local hook="${1}_hook"
25 export -n "PI_STACK_LIST=${PI_STACK_LIST:+$PI_STACK_LIST }$hook"
30 local hook="${1}_hook${PI_HOOK_SPLICE:+_splice}"
34 local v; eval "v=\$$hook"
35 export -n "$hook=${v:+$v }$func"
40 local hook="${1}_hook"
43 local v; eval "v=\$$hook"
45 local first="${v%% *}"
47 [ "$v" != "${v#* }" ] && \
48 export -n "$hook=${v#* }" || \
51 export -n "$rvar=$first"
62 while boot_hook_shift "$hook" func; do
63 local ran; eval "ran=\$PI_RAN_$func"
65 export -n "PI_RAN_$func=1"
72 local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
73 local PREFIX=/dev/mtdblock
76 [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
77 echo "${PART:+$PREFIX$PART}"
81 mtdpart="$(find_mtd_part rootfs_data)"
82 [ -z "$mtdpart" ] && return 1
83 magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
84 [ "$magic" != "deadc0de" ]
87 dupe() { # <new_root> <old_root>
89 echo -n "creating directories... "
93 echo "./dev ./overlay ./mnt ./proc ./tmp"
94 # xdev skips mounted directories
99 echo -n "setting up symlinks... "
100 for file in $(cd $2; find . -xdev -type f;); do
102 ./rom/note) ;; #nothing
104 ./usr/lib/opkg/info/*) cp -af $2/$file $file;;
105 *) ln -sf /rom/${file#./*} $file;;
108 for file in $(cd $2; find . -xdev -type l;); do
109 cp -af $2/${file#./*} $file
114 pivot() { # <new_root> <old_root>
115 mount -o move /proc $1/proc && \
116 pivot_root $1 $1$2 && {
117 mount -o move $2/dev /dev
118 mount -o move $2/tmp /tmp
119 mount -o move $2/sys /sys 2>&-
120 mount -o move $2/overlay /overlay 2>&-
125 fopivot() { # <rw_root> <ro_root> <dupe?>
128 if grep -q mini_fo /proc/filesystems; then
129 mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
132 mount --bind -o union "$1" /mnt && root=/mnt
136 mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
145 mount -t tmpfs -o mode=0755 root /tmp/root
146 fopivot /tmp/root /rom 1