diff options
Diffstat (limited to 'package/base-files/brcm-2.4')
-rwxr-xr-x | package/base-files/brcm-2.4/bin/firstboot | 90 | ||||
-rwxr-xr-x | package/base-files/brcm-2.4/etc/preinit | 11 | ||||
-rwxr-xr-x | package/base-files/brcm-2.4/sbin/mount_root | 38 |
3 files changed, 139 insertions, 0 deletions
diff --git a/package/base-files/brcm-2.4/bin/firstboot b/package/base-files/brcm-2.4/bin/firstboot new file mode 100755 index 000000000..28189780b --- /dev/null +++ b/package/base-files/brcm-2.4/bin/firstboot @@ -0,0 +1,90 @@ +#!/bin/sh +# $Id$ + +rom=$(awk '/squashfs/ {print $2}' /proc/mounts) +jffs=$(awk '/jffs2/ {print $2}' /proc/mounts) + +dupe() { # <new_root> <old_root> + cd $1 + echo -n "creating directories... " + { + cd $2 + find . -xdev -type d + echo "./dev ./jffs ./mnt ./proc ./tmp ./sys" + # xdev skips mounted directories + cd $1 + } | xargs mkdir -p + echo "done" + + echo -n "setting up symlinks... " + for file in $(cd $2; find . -xdev -type f;); do + case "$file" in + ./rom/note) ;; #nothing + ./etc/config*|\ + ./etc/resolv.conf|\ + ./usr/lib/ipkg/info) cp -af $2/$file $file;; + *) ln -sf /rom/${file#./*} $file;; + esac + done + for file in $(cd $2; find . -xdev -type l;); do + cp -af $2/${file#./*} $file + done + echo "done" +} + +pivot() { # <new_root> <old_root> + mount -o move /proc $1/proc && \ + pivot_root $1 $1$2 && { + mount -o move $2/dev /dev + mount -o move $2/tmp /tmp + mount -o move $2/sys /sys + return 0 + } +} + +mountdp() { # <device> <mount_point> <ignored> <fs> + dev=$1; mnt=$2; shift 2; opt=$* + mount $dev $mnt $opt + dupe $mnt $rom + pivot $mnt /rom +} + +ramoverlay() { + mkdir -p /tmp/root + mountdp /tmp/root /mnt -o bind +} + +[ "${0##*/}" = "firstboot" ] && { + [ -z "$rom" ] && { + echo "You do not have a squashfs partition; aborting" + echo "(firstboot cannot be run on jffs2 based firmwares)" + exit 1 + } + + [ "$1" = "switch2jffs" ] && { + mtd erase OpenWrt + mount -o remount,ro none / # try to avoid fs changing while copying + mount -o bind / /mnt + mount /dev/mtdblock/4 /rom/jffs -t jffs2 + echo -n "copying files ... " + cp -a /mnt/* /rom/jffs + umount /mnt + echo "done" + pivot /rom /mnt + mount -o move /mnt /tmp/root + pivot /jffs /rom + jffs2root --clean + exit 0 + } + + # script run manually + [ \! -z "$jffs" ] && { + echo "firstboot has already been run" + echo "jffs2 partition is mounted, only resetting files" + dupe $jffs $rom + exit 0 + } + + mtd erase OpenWrt + mountdp /dev/mtdblock/4 /jffs -t jffs2 +} diff --git a/package/base-files/brcm-2.4/etc/preinit b/package/base-files/brcm-2.4/etc/preinit new file mode 100755 index 000000000..5b676ca3a --- /dev/null +++ b/package/base-files/brcm-2.4/etc/preinit @@ -0,0 +1,11 @@ +#!/bin/sh +export PATH=/bin:/sbin:/usr/bin:/usr/sbin +mount none /proc -t proc + +[ -f /etc/preinit.arch ] && . /etc/preinit.arch +[ -z "$FAILSAFE" ] || { + echo /bin/true > /proc/sys/kernel/hotplug + telnetd -l /bin/login <> /dev/null 2>&1 +} +mount_root ${FAILSAFE:+failsafe} +exec /sbin/init diff --git a/package/base-files/brcm-2.4/sbin/mount_root b/package/base-files/brcm-2.4/sbin/mount_root new file mode 100755 index 000000000..88a836c80 --- /dev/null +++ b/package/base-files/brcm-2.4/sbin/mount_root @@ -0,0 +1,38 @@ +#!/bin/sh +is_dirty() { + grep Broadcom /proc/cpuinfo >&- || return 1 + OFFSET="$(($(hexdump -v /dev/mtdblock/1 -s 20 -n 2 -e '"%d"')-1))" + return $(hexdump -v /dev/mtdblock/1 -s $OFFSET -n 1 -e '"%d"') +} + +size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo) +mount none /tmp -t tmpfs -o size=$size + +if [ "$1" != "failsafe" ]; then + mtd unlock linux + mount | grep jffs2 >&- + if [ $? = 0 ] ; then + if [ $(cat /proc/mtd | wc -l) = 6 ]; then + mtd erase OpenWrt + jffs2root --move + else + mount -o remount,rw /dev/root / + fi + else + . /bin/firstboot + is_dirty + [ $? != 0 ] && { + echo "switching to jffs2" + mount /dev/mtdblock/4 /jffs -t jffs2 + pivot /jffs /rom + } || { + echo "jffs2 unusable; using ramdisk" + ramoverlay + } + fi +fi + +mount none /tmp -t tmpfs -o remount,nosuid,nodev,mode=1777 +mkdir -p /dev/pts +mount none /dev/pts -t devpts +mount -t sysfs none /sys 2>&- |