openwrt/target/linux/octeon/base-files/lib/upgrade/platform.sh
John Crispin 1731d5520e octeon: sysupgrade: rename old kernel after mounting /boot
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

SVN-Revision: 43523
2014-12-05 08:58:18 +00:00

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#
# Copyright (C) 2014 OpenWrt.org
#
. /lib/functions/octeon.sh
platform_get_rootfs() {
local rootfsdev
if read cmdline < /proc/cmdline; then
case "$cmdline" in
*block2mtd=*)
rootfsdev="${cmdline##*block2mtd=}"
rootfsdev="${rootfsdev%%,*}"
;;
*root=*)
rootfsdev="${cmdline##*root=}"
rootfsdev="${rootfsdev%% *}"
;;
esac
echo "${rootfsdev}"
fi
}
platform_copy_config() {
local board="$(octeon_board_name)"
local rootfs="$(platform_get_rootfs)"
mount -t ext4 -o rw,noatime "${rootfs}" /mnt
cp -af "$CONF_TAR" /mnt/
umount /mnt
}
platform_do_upgrade() {
local board=$(octeon_board_name)
local rootfs="$(platform_get_rootfs)"
[ -b "${rootfs}" ] || return 1
case "$board" in
erlite)
local tar_file="$1"
local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
mkdir -p /boot
mount -t vfat /dev/sda1 /boot
[ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
mv /boot/vmlinux.64 /boot/vmlinux.64.previous
mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
}
tar xf $tar_file sysupgrade-erlite/kernel -O > /boot/vmlinux.64
md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
tar xf $tar_file sysupgrade-erlite/root -O | dd of="${rootfs}" bs=4096
sync
umount /boot
return 0
;;
esac
return 1
}
platform_check_image() {
local board=$(octeon_board_name)
case "$board" in
erlite)
local tar_file="$1"
local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
[ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
echo "The upgarde image is corrupt."
return 1
}
return 0
;;
esac
echo "Sysupgrade is not yet supported on $board."
return 1
}