+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-RAMFS_COPY_BIN="/usr/sbin/blkid"
-
-platform_check_image() {
- local board=$(board_name)
- local diskdev partdev diff
- [ "$#" -gt 1 ] && return 1
-
- v "Board is ${board}"
-
- export_bootdevice && export_partdevice diskdev 0 || {
- v "platform_check_image: Unable to determine upgrade device"
- return 1
- }
-
- get_partitions "/dev/$diskdev" bootdisk
-
- v "Extract boot sector from the image"
- get_image_dd "$1" of=/tmp/image.bs count=63 bs=512b
-
- get_partitions /tmp/image.bs image
-
- #compare tables
- diff="$(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
- v "Partition layout has changed. Full image will be written."
- ask_bool 0 "Abort" && exit 1
- return 0
- fi
-}
-
-platform_copy_config() {
- local partdev parttype=ext4
-
- if export_partdevice partdev 2; then
- mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
- cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
- umount /mnt
- else
- v "ERROR: Unable to find partition to copy config data to"
- fi
-
- sleep 5
-}
-
-# To avoid writing over any firmware
-# files (e.g ubootefi.var or firmware/X/ aka EBBR)
-# Copy efi/openwrt and efi/boot from the new image
-# to the existing ESP
-platform_do_upgrade_efi_system_partition() {
- local image_file=$1
- local target_partdev=$2
- local image_efisp_start=$3
- local image_efisp_size=$4
-
- v "Updating ESP on ${target_partdev}"
- NEW_ESP_DIR="/mnt/new_esp_loop"
- CUR_ESP_DIR="/mnt/cur_esp"
- mkdir "${NEW_ESP_DIR}"
- mkdir "${CUR_ESP_DIR}"
-
- get_image_dd "$image_file" of="/tmp/new_efi_sys_part.img" \
- skip="$image_efisp_start" count="$image_efisp_size"
-
- mount -t vfat -o loop -o ro /tmp/new_efi_sys_part.img "${NEW_ESP_DIR}"
- if [ ! -d "${NEW_ESP_DIR}/efi/boot" ]; then
- v "ERROR: Image does not contain EFI boot files (/efi/boot)"
- return 1
- fi
-
- mount -t vfat "/dev/$partdev" "${CUR_ESP_DIR}"
-
- for d in $(find "${NEW_ESP_DIR}/efi/" -mindepth 1 -maxdepth 1 -type d); do
- v "Copying ${d}"
- newdir_bname=$(basename "${d}")
- rm -rf "${CUR_ESP_DIR}/efi/${newdir_bname}"
- cp -r "${d}" "${CUR_ESP_DIR}/efi"
- done
-
- umount "${NEW_ESP_DIR}"
- umount "${CUR_ESP_DIR}"
-}
-
-platform_do_upgrade() {
- local board=$(board_name)
- local diskdev partdev diff
-
- export_bootdevice && export_partdevice diskdev 0 || {
- v "platform_do_upgrade: Unable to determine upgrade device"
- return 1
- }
-
- sync
-
- if [ "$UPGRADE_OPT_SAVE_PARTITIONS" = "1" ]; then
- get_partitions "/dev/$diskdev" bootdisk
-
- v "Extract boot sector from the image"
- get_image_dd "$1" of=/tmp/image.bs count=63 bs=512b
-
- get_partitions /tmp/image.bs image
-
- #compare tables
- diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)"
- else
- diff=1
- fi
-
- # Only change the partition table if sysupgrade -p is set,
- # otherwise doing so could interfere with embedded "single storage"
- # (e.g SoC boot from SD card) setups, as well as other user
- # created storage (like uvol)
- if [ -n "$diff" ] && [ "${UPGRADE_OPT_SAVE_PARTITIONS}" = "0" ]; then
- # Need to remove partitions before dd, otherwise the partitions
- # that are added after will have minor numbers offset
- partx -d - "/dev/$diskdev"
-
- get_image_dd "$1" of="/dev/$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 -a - "/dev/$diskdev"
-
- return 0
- fi
-
- #iterate over each partition from the image and write it to the boot disk
- while read part start size; do
- if export_partdevice partdev $part; then
- v "Writing image to /dev/$partdev..."
- if [ "$part" = "1" ]; then
- platform_do_upgrade_efi_system_partition \
- $1 $partdev $start $size || return 1
- else
- v "Normal partition, doing DD"
- get_image_dd "$1" of="/dev/$partdev" ibs=512 obs=1M skip="$start" \
- count="$size" conv=fsync
- fi
- else
- v "Unable to find partition $part device, skipped."
- fi
- done < /tmp/partmap.image
-
- local parttype=ext4
-
- if (blkid > /dev/null) && export_partdevice partdev 1; then
- part_magic_fat "/dev/$partdev" && parttype=vfat
- mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
- if export_partdevice partdev 2; then
- THIS_PART_BLKID=$(blkid -o value -s PARTUUID "/dev/${partdev}")
- v "Setting rootfs PARTUUID=${THIS_PART_BLKID}"
- sed -i "s/\(PARTUUID=\)[a-f0-9-]\+/\1${THIS_PART_BLKID}/ig" \
- /mnt/efi/openwrt/grub.cfg
- fi
- umount /mnt
- fi
- # Provide time for the storage medium to flush before system reset
- # (despite the sync/umount it appears NVMe etc. do it in the background)
- sleep 5
-}
projects / openwrt / openwrt.git / blobdiff