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author | Yousong Zhou <yszhou4tech@gmail.com> | 2017-01-04 22:19:29 +0800 |
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committer | Felix Fietkau <nbd@nbd.name> | 2017-01-05 11:09:15 +0100 |
commit | 5ece16fd237688f8f8d33cd4bbc5137733365215 (patch) | |
tree | acb0035b9927bd8c3840db9776b11f942a7d750a /target/linux/sunxi/base-files/lib/upgrade | |
parent | 8a2c56ca0326f944260f55fd03cafc34572dcba8 (diff) | |
download | mtk-20170518-5ece16fd237688f8f8d33cd4bbc5137733365215.zip mtk-20170518-5ece16fd237688f8f8d33cd4bbc5137733365215.tar.gz mtk-20170518-5ece16fd237688f8f8d33cd4bbc5137733365215.tar.bz2 |
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.sh | 67 |
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 0000000..f2cd970 --- /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 +} |