2 # Copyright (C) 2014 OpenWrt.org
7 # combined-image uses 64k blocks
9 # 'data' partition on NAND contains UBI
13 local ubidevdir ubivoldir
14 ubidevdir="/sys/devices/virtual/ubi/$1"
15 [ ! -d "$ubidevdir" ] && return 1
16 for ubivoldir in $ubidevdir/${1}_*; do
17 [ ! -d "$ubivoldir" ] && continue
18 if [ "$( cat $ubivoldir/name )" = "$2" ]; then
26 local ubidevdir ubidev mtdnum
27 mtdnum="$( find_mtd_index $1 )"
28 [ ! "$mtdnum" ] && return 1
29 for ubidevdir in /sys/devices/virtual/ubi/ubi*; do
30 [ ! -d "$ubidevdir" ] && continue
31 cmtdnum="$( cat $ubidevdir/mtd_num )"
32 [ ! "$mtdnum" ] && continue
33 if [ "$mtdnum" = "$cmtdnum" ]; then
34 ubidev=$( basename $ubidevdir )
42 dd if="$1" skip=$2 bs=4 count=1 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
45 get_magic_long_tar() {
46 ( tar xf $1 $2 -O | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2> /dev/null
75 identify_magic $(get_magic_long "$1" "${2:-0}")
79 identify_magic $(get_magic_long_tar "$1" "$2")
82 nand_restore_config() {
84 local ubidev=$( nand_find_ubi $CI_UBIPART )
85 local ubivol="$( nand_find_volume $ubidev rootfs_data )"
87 ubivol="$( nand_find_volume $ubidev rootfs )"
89 if ! mount -t ubifs /dev/$ubivol /tmp/new_root; then
90 echo "mounting ubifs $ubivol failed"
94 mv "$1" "/tmp/new_root/sysupgrade.tgz"
100 nand_upgrade_prepare_ubi() {
101 local rootfs_length="$1"
102 local rootfs_type="$1"
103 local has_kernel="${2:-0}"
104 local has_env="${3:-0}"
106 local mtdnum="$( find_mtd_index "$CI_UBIPART" )"
107 if [ ! "$mtdnum" ]; then
108 echo "cannot find ubi mtd partition $CI_UBIPART"
112 local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
113 if [ ! "$ubidev" ]; then
114 ubiattach -m "$mtdnum"
116 ubidev="$( nand_find_ubi "$CI_UBIPART" )"
119 if [ ! "$ubidev" ]; then
120 ubiformat /dev/mtd$mtdnum -y
121 ubiattach -m "$mtdnum"
123 ubidev="$( nand_find_ubi "$CI_UBIPART" )"
124 [ -z "$has_env" ] || {
125 ubimkvol /dev/$ubidev -n 0 -N ubootenv -s 1MiB
126 ubimkvol /dev/$ubidev -n 1 -N ubootenv2 -s 1MiB
130 local kern_ubivol="$( nand_find_volume $ubidev kernel )"
131 local root_ubivol="$( nand_find_volume $ubidev rootfs )"
132 local data_ubivol="$( nand_find_volume $ubidev rootfs_data )"
134 # remove ubiblock device of rootfs
135 local root_ubiblk="ubiblock${root_ubivol:3}"
136 if [ "$root_ubivol" -a -e "/dev/$root_ubiblk" ]; then
137 echo "removing $root_ubiblk"
138 if ! ubiblock -r /dev/$root_ubivol; then
139 echo "cannot remove $root_ubiblk"
145 [ "$kern_ubivol" ] && ubirmvol /dev/$ubidev -N kernel || true
146 [ "$root_ubivol" ] && ubirmvol /dev/$ubidev -N rootfs || true
147 [ "$data_ubivol" ] && ubirmvol /dev/$ubidev -N rootfs_data || true
150 if [ "$has_kernel" = "1" ]; then
151 if ! ubimkvol /dev/$ubidev -N kernel -s $kernel_length; then
152 echo "cannot create kernel volume"
158 local root_size_param
159 if [ "$rootfs_type" = "ubifs" ]; then
162 root_size_param="-s $rootfs_length"
164 if ! ubimkvol /dev/$ubidev -N rootfs $root_size_param; then
165 echo "cannot create rootfs volume"
169 # create rootfs_data for non-ubifs rootfs
170 if [ "$rootfs_type" != "ubifs" ]; then
171 if ! ubimkvol /dev/$ubidev -N rootfs_data -m; then
172 echo "cannot initialize rootfs_data volume"
180 nand_do_upgrade_success() {
181 local conf_tar="/tmp/sysupgrade.tgz"
184 [ -f "$conf_tar" ] && nand_restore_config "$conf_tar"
185 echo "sysupgrade successfull"
189 nand_upgrade_ubinized() {
191 local mtdnum="$(find_mtd_index "$CI_UBIPART")"
193 if [ ! "$mtdnum" ]; then
194 echo "cannot find mtd device $CI_UBIPART"
198 local mtddev="/dev/mtd${mtdnum}"
199 ubidetach -p "${mtddev}" || true
201 ubiformat "${mtddev}" -y -f "${ubi_file}"
202 ubiattach -p "${mtddev}"
203 nand_do_upgrade_success
206 nand_do_upgrade_stage2() {
207 [ "$(identify $1)" == "ubi" ] && nand_upgrade_ubinized $1
210 local board_name="$(cat /tmp/sysinfo/board_name)"
211 local kernel_mtd="$(find_mtd_index kernel)"
213 local kernel_length=`(tar xf $tar_file sysupgrade-$board_name/kernel -O | wc -c) 2> /dev/null`
214 local rootfs_length=`(tar xf $tar_file sysupgrade-$board_name/root -O | wc -c) 2> /dev/null`
215 local ubi_length=`(tar xf $tar_file sysupgrade-$board_name/ubi -O | wc -c) 2> /dev/null`
217 local rootfs_type="$(identify_tar "$tar_file" root)"
222 [ "kernel_length" = 0 -o -z "$kernel_mtd" ] || {
223 tar xf $tar_file sysupgrade-$board_name/kernel -O | mtd write - kernel
225 [ "kernel_length" = 0 -o ! -z "$kernel_mtd" ] && has_kernel=0
227 nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "$has_kernel" "$has_env"
229 local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
230 [ "$has_kernel" = "1" ] && {
231 local kern_ubivol="$(nand_find_volume $ubidev kernel)"
232 tar xf $tar_file sysupgrade-$board_name/kernel -O | \
233 ubiupdatevol /dev/$kern_ubivol -s $kern_length -
236 local root_ubivol="$(nand_find_volume $ubidev rootfs)"
237 tar xf $tar_file sysupgrade-$board_name/root -O | \
238 ubiupdatevol /dev/$root_ubivol -s $rootfs_length -
240 nand_do_upgrade_success
243 nand_upgrade_stage2() {
246 touch /tmp/sysupgrade
258 if [ -n "$(rootfs_type)" ]; then
259 v "Switching to ramdisk..."
260 run_ramfs ". /lib/functions.sh; include /lib/upgrade; nand_do_upgrade_stage2 $2"
262 nand_do_upgrade_stage2 $2
266 echo "Nand upgrade failed"
271 nand_upgrade_stage1() {
272 [ -f /tmp/sysupgrade-nand-path ] && {
273 path="$(cat /tmp/sysupgrade-nand-path)"
274 [ "$SAVE_CONFIG" != 1 -a -f "$CONF_TAR" ] &&
277 ubus call system nandupgrade "{\"path\": \"$path\" }"
281 append sysupgrade_pre_upgrade nand_upgrade_stage1
283 nand_do_platform_check() {
284 local board_name="$1"
286 local control_length=`(tar xf $tar_file sysupgrade-$board_name/CONTROL -O | wc -c) 2> /dev/null`
288 [ "$control_length" = 0 -a "$(identify $2)" != "ubi" ] && {
289 echo "Invalid sysupgrade file."
293 echo -n $2 > /tmp/sysupgrade-nand-path
294 cp /sbin/upgraded /tmp/