| #!/bin/sh |
| |
| CONFIG_MTD_NO= |
| |
| check_mtd() |
| { |
| local a b c d e |
| cat /proc/mtd | |
| while read a b c d; do |
| # convert 'mtdxx:' to 'xx' |
| e=${a%:*} |
| [ $d = $1 ] && echo "${e#mtd}" |
| done |
| } |
| |
| mount_jffs2() |
| { |
| local mtd_no=$1 |
| local device=/dev/mtdblock$mtd_no |
| local dir="$2" |
| |
| mount -t jffs2 $device $dir \ |
| || { echo "error mounting jffs2 on '$device' as '$dir'"; return 1; } |
| } |
| |
| recover_jffs2() |
| { |
| local mtd_no=$1 |
| local device=/dev/mtd$mtd_no |
| local dir="$2" |
| |
| echo "formating '$device' for jffs2" |
| |
| flash_erase --jffs $device 0 0 |
| mount_jffs2 $mtd_no "$dir" |
| } |
| |
| case "$1" in |
| start) |
| # Get MTD partition number |
| CONFIG_MTD_NO=$(check_mtd '"config"') |
| |
| mount_jffs2 $CONFIG_MTD_NO /config \ |
| || recover_jffs2 $CONFIG_MTD_NO /config |
| |
| # TODO(allanzhang): once DVT is gone, clear the hack below. |
| if [ -h /config/tr69 ]; then |
| echo "Upgrade from DVT image, potential corrupted jffs2, recover" |
| umount /config |
| recover_jffs2 $CONFIG_MTD_NO /config |
| fi |
| |
| # /config must be writeable by non-root |
| chown bin.sys /config |
| chmod 775 /config |
| |
| if [ -e /config/DEBUG ]; then |
| echo "Enabling DEBUG mode because /config/DEBUG is set." >&2 |
| echo >/tmp/DEBUG |
| fi |
| ;; |
| stop) |
| umount /config |
| ;; |
| restart|reload) |
| ;; |
| *) |
| echo "Usage: $0 {start|stop|restart}" >&2 |
| exit 1 |
| esac |
