133 lines
3.5 KiB
Plaintext
133 lines
3.5 KiB
Plaintext
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#!/bin/sh
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[ -f /sbin/aw_upgrade_image.sh ] && . /sbin/aw_upgrade_image.sh
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################################## functions ##################################
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#mkfs_jffs2() <device in /dev/by-name>
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mkfs_jffs2() {
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# format to jffs2
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local erase_block=$(cat /proc/mtd | grep "$(basename $1)" | awk '{print $3}')
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mkdir -p /tmp/jffs2.dir/tmp
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mkfs.jffs2 -p -e 0x${erase_block} -d /tmp/jffs2.dir -o /tmp/jffs2.img
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dd if=/tmp/jffs2.img of=$1
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rm -rf /tmp/jffs2.img /tmp/jffs2.dir
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}
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mount_etc() {
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# fs check
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local root_dev="$(readlink /dev/by-name/rootfs)"
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echo ${root_dev} | grep -q "mtdblock" \
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|| /usr/sbin/fsck.ext4 -y /dev/by-name/rootfs_data &>/dev/null
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# if mount failed, format.
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case "${root_dev}" in
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/dev/mtdblock*)
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mount -t jffs2 /dev/by-name/rootfs_data /etc && [ -f /etc/init.d/rcS ] && return
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echo "Mount Failed: formating /dev/by-name/rootfs_data to jffs2 ..."
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umount /etc
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mkfs_jffs2 "/dev/by-name/rootfs_data"
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mount -t jffs2 /dev/by-name/rootfs_data /mnt
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;;
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*)
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mount -t ext4 /dev/by-name/rootfs_data /etc && [ -f /etc/init.d/rcS ] && return
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umount /etc
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echo "Mount Failed: formating /dev/by-name/rootfs_data to ext4 ..."
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mkfs.ext4 /dev/by-name/rootfs_data
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mount -t ext4 /dev/by-name/rootfs_data /mnt
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;;
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esac
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cp -af /etc/* /mnt/
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mount -o move /mnt /etc
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}
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upgrade_etc() {
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[ -f /sbin/aw_upgrade_image.sh ] || return
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[ "$(get_system_flag)" == "upgrade_etc" ] || return
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echo "upgrade etc now"
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local root_dev="$(readlink /dev/by-name/rootfs)"
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case "${root_dev}" in
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/dev/mtdblock*)
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mount -t jffs2 /dev/by-name/rootfs_data /mnt
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;;
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*)
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mount -t ext4 /dev/by-name/rootfs_data /mnt
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;;
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esac
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cp -af /etc/* /mnt/
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umount /mnt
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set_system_flag "upgrade_end"
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echo "upgrade etc end"
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}
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mount_usr(){
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[ -e /dev/by-name/extend ] || return
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flag=`get_system_flag`
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if [ "${flag}" != "boot-recovery" -a -h "/dev/by-name/extend" ]; then
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mount /dev/by-name/extend /usr
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fi
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}
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set_parts_by_name() {
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# create by-name
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local parts part
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mkdir -p /dev/by-name
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parts=$(sed 's/ /\n/g' /proc/cmdline \
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| awk -F'=' '/^partitions/{print $2}')
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for part in $(echo ${parts} | sed 's/:/ /g')
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do
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[ ! -e /dev/${part#*@} ] && mdev -s
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ln -s "/dev/${part#*@}" "/dev/by-name/${part%@*}"
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done
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}
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mount_UDISK()
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{
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local root_dev="$(readlink /dev/by-name/rootfs)"
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# fix UDISK
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if [ -h /dev/by-name/UDISK ]; then
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echo ${root_dev} | grep -q "mtdblock" \
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|| /usr/sbin/fsck.ext4 -y /dev/by-name/UDISK &>/dev/null
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fi
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# mount UDISK
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if [ -h /dev/by-name/UDISK -a -d /mnt/UDISK ]; then
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case "${root_dev}" in
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/dev/mtdblock*)
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mount -t jffs2 /dev/by-name/UDISK /mnt/UDISK 2>/dev/null
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if [ "$?" -ne "0" ]; then
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mkfs_jffs2 "/dev/by-name/UDISK"
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mount -t jffs2 /dev/by-name/UDISK /mnt/UDISK 2>/dev/null
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fi
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;;
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*)
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mount -t ext4 /dev/by-name/UDISK /mnt/UDISK 2>/dev/null
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if [ "$?" -ne "0" ]; then
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mkfs.ext4 /dev/by-name/UDISK >/dev/null
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mount -t ext4 /dev/by-name/UDISK /mnt/UDISK 2>/dev/null
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fi
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;;
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esac
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fi
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# enable hotplug
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echo /sbin/mdev > /proc/sys/kernel/hotplug
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}
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#----------------------------------------------------------------
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mount -t proc /proc /proc
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mount -t tmpfs tmpfs /dev
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mount -t tmpfs tmpfs /tmp
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mount -t sysfs sys /sys
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set_parts_by_name
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mount_usr
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upgrade_etc
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mount_etc
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mount_UDISK
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exec /sbin/init
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