diff options
| -rw-r--r-- | target/linux/omap/base-files/lib/preinit/79_move_config | 20 | ||||
| -rw-r--r-- | target/linux/omap/base-files/lib/upgrade/platform.sh | 89 |
2 files changed, 109 insertions, 0 deletions
diff --git a/target/linux/omap/base-files/lib/preinit/79_move_config b/target/linux/omap/base-files/lib/preinit/79_move_config new file mode 100644 index 0000000000..c112588689 --- /dev/null +++ b/target/linux/omap/base-files/lib/preinit/79_move_config @@ -0,0 +1,20 @@ +#!/bin/sh +# Copyright (C) 2012-2015 OpenWrt.org + +move_config() { + local partdev + + . /lib/upgrade/common.sh + + if export_bootdevice && export_partdevice partdev -1; then + if mount -t vfat -o rw,noatime "/dev/$partdev" /mnt; then + if [ -f /mnt/sysupgrade.tgz ]; then + mv -f /mnt/sysupgrade.tgz / + fi + umount /mnt + fi + fi +} + +boot_hook_add preinit_mount_root move_config + diff --git a/target/linux/omap/base-files/lib/upgrade/platform.sh b/target/linux/omap/base-files/lib/upgrade/platform.sh new file mode 100644 index 0000000000..88ef4790e9 --- /dev/null +++ b/target/linux/omap/base-files/lib/upgrade/platform.sh @@ -0,0 +1,89 @@ +platform_check_image() { + local diskdev partdev diff + + export_bootdevice && export_partdevice diskdev -2 || { + echo "Unable to determine upgrade device" + return 1 + } + + get_partitions "/dev/$diskdev" bootdisk + + #extract the boot sector from the image + get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b 2>/dev/null + + get_partitions /tmp/image.bs image + + #compare tables + diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" + + rm -f /tmp/image.bs /tmp/partmap.bootdisk /tmp/partmap.image + + if [ -n "$diff" ]; then + echo "Partition layout has changed. Full image will be written." + ask_bool 0 "Abort" && exit 1 + return 0 + fi +} + +platform_copy_config() { + local partdev + + if export_partdevice partdev -1; then + mount -t vfat -o rw,noatime "/dev/$partdev" /mnt + cp -af "$CONF_TAR" /mnt/ + umount /mnt + fi +} + +platform_do_upgrade() { + local diskdev partdev diff + + export_bootdevice && export_partdevice diskdev -2 || { + echo "Unable to determine upgrade device" + return 1 + } + + sync + + if [ "$SAVE_PARTITIONS" = "1" ]; then + get_partitions "/dev/$diskdev" bootdisk + + #extract the boot sector from the image + get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b + + get_partitions /tmp/image.bs image + + #compare tables + diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" + else + diff=1 + fi + + if [ -n "$diff" ]; then + get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync + + # Separate removal and addtion is necessary; otherwise, partition 1 + # will be missing if it overlaps with the old partition 2 + partx -d - "/dev/$diskdev" + partx -a - "/dev/$diskdev" + + return 0 + fi + + #write uboot image + get_image "$@" | dd of="$diskdev" bs=1024 skip=8 seek=8 count=1016 conv=fsync + #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="512" 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 +} |