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ipq807x: Add post-flash check of written data

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If it already looks to the system that the flashing of the image data
failed, it is not a good idea to inform the u-boot to switch the inactive
(newly flashed) partition to the active one

Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Marek Lindner
2022-03-15 10:48:10 +01:00
committed by John Crispin
parent cc54c8654f
commit 128bd3a17e
1 changed files with 22 additions and 0 deletions
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22
feeds/ipq807x/ipq807x/base-files/lib/upgrade/dualboot_datachk.sh
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@@ -5,6 +5,25 @@
# newly flashed partition. If the new partition can't be booted due to
# upgrade failures the previously used partition is loaded.
platform_post_upgrade_sanity_check()
{
local part_name=$1
local inactive_mtd=$2
local cfg_md5=$3
local part_offset=$4
local part_size=$5
md5_part_disk=$(dd if=/dev/${inactive_mtd} bs=$((64*1024)) skip=$((part_offset / (64*1024))) count=$((part_size / (64*1024))) 2>&- | md5sum | awk '{print $1}')
if [ "${cfg_md5}" != "${md5_part_disk}" ]; then
echo "post-flashing checksum mismatch: ${part_name}" >&2
echo "${cfg_md5} != ${md5_part_disk}"
return 1
fi
return 0
}
platform_do_upgrade_dualboot_datachk() {
local tar_file="$1"
local restore_backup
@@ -77,6 +96,9 @@ platform_do_upgrade_dualboot_datachk() {
tar xf $tar_file ${board_dir}/root -O | mtd -n -p $kernel_length $restore_backup write - $PART_NAME
tar xf $tar_file ${board_dir}/kernel -O | mtd -n write - $PART_NAME
platform_post_upgrade_sanity_check "kernel" "mtd${kernel_mtd}" $kernel_md5 0 $kernel_length || return 1
platform_post_upgrade_sanity_check "rootfs" "mtd${kernel_mtd}" $rootfs_md5 $kernel_length $rootfs_length || return 1
# prepare new u-boot env
if [ "$next_boot_part" = "1" ]; then
echo "bootseq 1,2" > $setenv_script