[package] busybox: Enable ibs, obs and conv options on 'dd'
[openwrt/svn-archive/archive.git] / target / linux / x86 / base-files / lib / upgrade / platform.sh
1 USE_REFRESH=1
2
3 platform_check_image() {
4 [ "$ARGC" -gt 1 ] && return 1
5
6 case "$(get_magic_word "$1")" in
7 eb48) return 0;;
8 *)
9 echo "Invalid image type"
10 return 1
11 ;;
12 esac
13 }
14
15 platform_do_upgrade() {
16 local ROOTFS
17 sync
18 grep -q -e "jffs2" -e "squashfs" /proc/cmdline \
19 && ROOTFS="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)" \
20 || ROOTFS="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)"
21 [ -b ${ROOTFS%[0-9]} ] && get_image "$1" > ${ROOTFS%[0-9]}
22 }
23
24 x86_prepare_ext2() {
25 # if we're running from ext2, we need to make sure that we have a mtd
26 # partition that points to the active rootfs partition.
27 # however this only matters if we actually need to preserve the config files
28 [ "$SAVE_CONFIG" -eq 1 ] || return 0
29 grep rootfs /proc/mtd >/dev/null || {
30 echo /dev/hda2,65536,rootfs > /sys/module/block2mtd/parameters/block2mtd
31 }
32 }
33 append sysupgrade_pre_upgrade x86_prepare_ext2