mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 18:47:06 +00:00
641f6b6c26
It's a variable set by procd that should replace hardcoded
/tmp/sysupgrade.tgz.
This change requires the most recent procd with the commit 0f3c136
("sysupgrade: set UPGRADE_BACKUP env variable").
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
125 lines
2.5 KiB
Bash
125 lines
2.5 KiB
Bash
#
|
|
# Copyright (C) 2016 lede-project.org
|
|
#
|
|
|
|
zyxel_get_rootfs() {
|
|
local rootfsdev
|
|
|
|
if read cmdline < /proc/cmdline; then
|
|
case "$cmdline" in
|
|
*root=*)
|
|
rootfsdev="${cmdline##*root=}"
|
|
rootfsdev="${rootfsdev%% *}"
|
|
;;
|
|
esac
|
|
|
|
echo "${rootfsdev}"
|
|
fi
|
|
}
|
|
|
|
zyxel_do_flash() {
|
|
local tar_file=$1
|
|
local kernel=$2
|
|
local rootfs=$3
|
|
local dualflagmtd=$4
|
|
|
|
# keep sure its unbound
|
|
losetup --detach-all || {
|
|
echo Failed to detach all loop devices. Skip this try.
|
|
reboot -f
|
|
}
|
|
|
|
# use the first found directory in the tar archive
|
|
local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
|
|
board_dir=${board_dir%/}
|
|
|
|
echo "flashing kernel to $kernel"
|
|
tar xf $tar_file ${board_dir}/kernel -O >$kernel
|
|
|
|
echo "flashing rootfs to ${rootfs}"
|
|
tar xf $tar_file ${board_dir}/root -O >"${rootfs}"
|
|
|
|
# a padded rootfs is needed for overlay fs creation
|
|
local offset=$(tar xf $tar_file ${board_dir}/root -O | wc -c)
|
|
[ $offset -lt 65536 ] && {
|
|
echo Wrong size for rootfs: $offset
|
|
sleep 10
|
|
reboot -f
|
|
}
|
|
|
|
# Mount loop for rootfs_data
|
|
local loopdev="$(losetup -f)"
|
|
losetup -o $offset $loopdev $rootfs || {
|
|
echo "Failed to mount looped rootfs_data."
|
|
sleep 10
|
|
reboot -f
|
|
}
|
|
|
|
echo "Format new rootfs_data at position ${offset}."
|
|
mkfs.ext4 -F -L rootfs_data $loopdev
|
|
mkdir /tmp/new_root
|
|
mount -t ext4 $loopdev /tmp/new_root && {
|
|
echo "Saving config to rootfs_data at position ${offset}."
|
|
cp -v "$UPGRADE_BACKUP" "/tmp/new_root/$BACKUP_FILE"
|
|
umount /tmp/new_root
|
|
}
|
|
|
|
# flashing successful, toggle the dualflag
|
|
case "$rootfs" in
|
|
"/dev/mmcblk0p5")
|
|
printf "\xff" >$dualflagmtd
|
|
;;
|
|
"/dev/mmcblk0p8")
|
|
printf "\x01" >$dualflagmtd
|
|
;;
|
|
esac
|
|
|
|
# Cleanup
|
|
losetup -d $loopdev >/dev/null 2>&1
|
|
sync
|
|
umount -a
|
|
reboot -f
|
|
}
|
|
|
|
zyxel_do_upgrade() {
|
|
local tar_file="$1"
|
|
local board=$(board_name)
|
|
local rootfs="$(zyxel_get_rootfs)"
|
|
local kernel=
|
|
|
|
[ -b "${rootfs}" ] || return 1
|
|
case "$board" in
|
|
zyxel,nbg6817)
|
|
local dualflagmtd="$(find_mtd_part 0:DUAL_FLAG)"
|
|
[ -b $dualflagmtd ] || return 1
|
|
|
|
case "$rootfs" in
|
|
"/dev/mmcblk0p5")
|
|
# booted from the primary partition set
|
|
# write to the alternative set
|
|
kernel="/dev/mmcblk0p7"
|
|
rootfs="/dev/mmcblk0p8"
|
|
;;
|
|
"/dev/mmcblk0p8")
|
|
# booted from the alternative partition set
|
|
# write to the primary set
|
|
kernel="/dev/mmcblk0p4"
|
|
rootfs="/dev/mmcblk0p5"
|
|
;;
|
|
*)
|
|
return 1
|
|
;;
|
|
esac
|
|
;;
|
|
*)
|
|
return 1
|
|
;;
|
|
esac
|
|
|
|
zyxel_do_flash $tar_file $kernel $rootfs $dualflagmtd
|
|
|
|
nand_do_upgrade "$1"
|
|
|
|
return 0
|
|
}
|