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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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# This file is part of Relax-and-Recover, licensed under the GNU General
# Public License. Refer to the included COPYING for full text of license.
# Restore the 2nd-Stage Bootloader on Allwinner Devices
# Skip if another boot loader is already installed
# (then $NOBOOTLOADER is not a true value cf. finalize/default/010_prepare_checks.sh):
is_true $NOBOOTLOADER || return 0
[ "$BOOTLOADER" = "ARM-ALLWINNER" ] || return 0
# Parted can output machine parseable information
FEATURE_PARTED_MACHINEREADABLE=
parted_version=$(get_version parted -v)
[[ "$parted_version" ]]
BugIfError "Function get_version could not detect parted version."
if version_newer "$parted_version" 1.8.2 ; then
FEATURE_PARTED_MACHINEREADABLE=y
fi
used_bootloader=( $( cat $VAR_DIR/recovery/bootloader ) )
base_dir="$VAR_DIR/recovery/allwinner-boot"
[ -d $base_dir ] || Error "No Saved Allwinner 2nd Stage Bootloader"
for block_device in /sys/block/* ; do
blockd=${block_device#/sys/block/}
# Continue with the next block device when the current block device is not a disk that can be used for booting:
[[ $blockd = hd* || $blockd = sd* || $blockd = cciss* || $blockd = vd* || $blockd = xvd* || $blockd = nvme* || $blockd = mmcblk* || $blockd = dasd* ]] || continue
disk_device=$( get_device_name $block_device )
if [[ $FEATURE_PARTED_MACHINEREADABLE ]] ; then
disk_label=$(parted -m -s $disk_device print | grep ^/ | cut -d ":" -f "6")
else
disk_label=$(parted -s $disk_device print | grep -E "Partition Table|Disk label" | cut -d ":" -f "2" | tr -d " ")
fi
# Don't overwrite Raw Disks
if [ -f $base_dir/$blockd ] && [ "$disk_label" = "msdos" ]; then
NOBOOTLOADER=""
LogPrint "Restoring Allwinner 2nd Stage Bootloader on Device $disk_device"
dd if=$base_dir/$blockd of=$disk_device bs=1024 seek=8
fi
done
is_true $NOBOOTLOADER && Error "Failed to install Allwinner 2nd Stage Bootloader."