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x86_get_rootfs() {
local rootfsdev
local rootfstype
rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
case "$rootfstype" in
squashfs|jffs2)
rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
ext4)
rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
esac
echo "$rootfstype:$rootfsdev"
}
platform_check_image() {
[ "$ARGC" -gt 1 ] && return 1
case "$(get_magic_word "$1")" in
eb48|eb63) return 0;;
*)
echo "Invalid image type"
return 1
;;
esac
}
platform_copy_config() {
local rootfs="$(x86_get_rootfs)"
local rootfsdev="${rootfs##*:}"
mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
cp -af "$CONF_TAR" /mnt/
umount /mnt
}
platform_do_upgrade() {
local rootfs="$(x86_get_rootfs)"
local rootfsdev="${rootfs##*:}"
sync
[ -b ${rootfsdev%[0-9]} ] && get_image "$@" | dd of=${rootfsdev%[0-9]} bs=4096 conv=fsync
sleep 1
}
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