diff options
Diffstat (limited to 'openwrt/package/base-files/default/sbin/mount_root')
| -rwxr-xr-x | openwrt/package/base-files/default/sbin/mount_root | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/openwrt/package/base-files/default/sbin/mount_root b/openwrt/package/base-files/default/sbin/mount_root index 427ff0444f..38252e83fe 100755 --- a/openwrt/package/base-files/default/sbin/mount_root +++ b/openwrt/package/base-files/default/sbin/mount_root @@ -1,40 +1,34 @@ #!/bin/sh -. /etc/nvram.sh -is_clean() { - grep Broadcom /proc/cpuinfo 2>&- >&- || return 0 - OFFSET="$((0x$(dd if=/dev/mtdblock/1 bs=1 skip=$((0x14)) count=2 2>&- | hexdump | grep 0000000 | cut -d ' ' -f 2) - 1))" - dd if=/dev/mtdblock/1 bs=1 skip=$OFFSET count=1 2>&- | hexdump -v | grep ' 0000' > /dev/null && return 255 || return 0 +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 [ $(cat /proc/mtd | wc -l) = 6 ]; then - echo 5 > /proc/sys/diag - mtd unlock linux mtd erase OpenWrt jffs2root --move else - mtd unlock rootfs mount -o remount,rw /dev/root / fi else - if [ -z "$(nvram get no_root_swap)" ]; then - is_clean || { - mtd erase OpenWrt - mtd unlock linux - jffs2root --clean - } - mtd unlock OpenWrt - mount -t jffs2 /dev/mtdblock/4 /jffs - pivot_root /jffs /jffs/rom - mount none /proc -t proc - mount none /dev -t devfs - umount /rom/proc /rom/dev >&- - fi + . /bin/firstboot + is_dirty + [ $? != 0 ] && { + mount /dev/mtdblock/4 /jffs + pivot /jffs /rom + } || ramoverlay fi fi -mount none /tmp -t tmpfs -o nosuid,nodev,mode=1777,size=50% + +mount none /tmp -t tmpfs -o remount,nosuid,nodev,mode=1777 mkdir -p /dev/pts mount none /dev/pts -t devpts -grep sysfs /proc/filesystems >&- && mount -t sysfs none /sys +mount -t sysfs none /sys 2>&- |