aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/sunxi/base-files/lib/upgrade
diff options
context:
space:
mode:
authorYousong Zhou <yszhou4tech@gmail.com>2017-01-04 22:19:29 +0800
committerFelix Fietkau <nbd@nbd.name>2017-01-05 11:09:15 +0100
commit5ece16fd237688f8f8d33cd4bbc5137733365215 (patch)
treeacb0035b9927bd8c3840db9776b11f942a7d750a /target/linux/sunxi/base-files/lib/upgrade
parent8a2c56ca0326f944260f55fd03cafc34572dcba8 (diff)
downloadupstream-5ece16fd237688f8f8d33cd4bbc5137733365215.tar.gz
upstream-5ece16fd237688f8f8d33cd4bbc5137733365215.tar.bz2
upstream-5ece16fd237688f8f8d33cd4bbc5137733365215.zip
sunxi: add sysupgrade support
Enalbe builtin support for FAT filesystem as we need to mount boot partition to store sysupgrade.tgz there Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Diffstat (limited to 'target/linux/sunxi/base-files/lib/upgrade')
-rw-r--r--target/linux/sunxi/base-files/lib/upgrade/platform.sh67
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/sunxi/base-files/lib/upgrade/platform.sh b/target/linux/sunxi/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..f2cd970d42
--- /dev/null
+++ b/target/linux/sunxi/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,67 @@
+platform_check_image() {
+ true
+}
+
+platform_copy_config() {
+ local partdev
+
+ if export_partdevice partdev -1; then
+ mount -t vfat -o rw,noatime "/dev/$partdev" /mnt
+ cp -af "$CONF_TAR" /mnt/
+ umount /mnt
+ fi
+}
+
+platform_do_upgrade() {
+ local diskdev partdev ibs diff
+
+ if export_bootdevice && export_partdevice diskdev -2; then
+ sync
+ if [ "$SAVE_PARTITIONS" = "1" ]; then
+ get_partitions "/dev/$diskdev" bootdisk
+
+ #get block size
+ if [ -f "/sys/block/$diskdev/queue/physical_block_size" ]; then
+ ibs="$(cat "/sys/block/$diskdev/queue/physical_block_size")"
+ else
+ ibs=512
+ fi
+
+ #extract the boot sector from the image
+ get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b
+
+ get_partitions /tmp/image.bs image
+
+ #compare tables
+ diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)"
+ if [ -n "$diff" ]; then
+ echo "Partition layout is changed. Full image will be written."
+ ask_bool 0 "Abort" && exit
+
+ get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync
+ return 0
+ fi
+
+ #write uboot image
+ get_image "$@" | dd of="$diskdev" bs=1024 skip=8 seek=8 conv=notrunc
+ #iterate over each partition from the image and write it to the boot disk
+ while read part start size; do
+ part="$(($part - 2))"
+ if export_partdevice partdev $part; then
+ echo "Writing image to /dev/$partdev..."
+ get_image "$@" | dd of="/dev/$partdev" ibs="$ibs" obs=1M skip="$start" count="$size" conv=fsync
+ else
+ echo "Unable to find partition $part device, skipped."
+ fi
+ done < /tmp/partmap.image
+
+ #copy partition uuid
+ echo "Writing new UUID to /dev/$diskdev..."
+ get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync
+ else
+ get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync
+ fi
+
+ sleep 1
+ fi
+}