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Arch-R/projects/Odroid_C2/bootloader/update.sh
2017-11-11 10:32:53 -08:00

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#!/bin/sh
################################################################################
# This file is part of LibreELEC - https://libreelec.tv
# Copyright (C) 2016-present Team LibreELEC
#
# LibreELEC is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# LibreELEC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LibreELEC. If not, see <http://www.gnu.org/licenses/>.
################################################################################
[ -z "$SYSTEM_ROOT" ] && SYSTEM_ROOT=""
[ -z "$BOOT_ROOT" ] && BOOT_ROOT="/flash"
[ -z "$BOOT_PART" ] && BOOT_PART=$(df "$BOOT_ROOT" | tail -1 | awk {' print $1 '})
if [ -z "$BOOT_DISK" ]; then
case $BOOT_PART in
/dev/sd[a-z][0-9]*)
BOOT_DISK=$(echo $BOOT_PART | sed -e "s,[0-9]*,,g")
;;
/dev/mmcblk*)
BOOT_DISK=$(echo $BOOT_PART | sed -e "s,p[0-9]*,,g")
;;
esac
fi
# mount $BOOT_ROOT r/w
mount -o remount,rw $BOOT_ROOT
# update Device Tree Blobs
for all_dtb in /flash/*.dtb; do
dtb=$(basename $all_dtb)
if [ -f $SYSTEM_ROOT/usr/share/bootloader/$dtb ]; then
echo "*** updating Device Tree Blob: $dtb ..."
cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT
fi
done
# update bootloader files
if [ -f $SYSTEM_ROOT/usr/share/bootloader/u-boot.bin ]; then
echo "*** updating u-boot image ..."
dd if=$SYSTEM_ROOT/usr/share/bootloader/u-boot.bin of="$BOOT_DISK" conv=fsync,notrunc bs=1 count=112 &>/dev/null
dd if=$SYSTEM_ROOT/usr/share/bootloader/u-boot.bin of="$BOOT_DISK" conv=fsync,notrunc bs=512 skip=1 seek=1 &>/dev/null
fi
# mount $BOOT_ROOT r/o
sync
mount -o remount,ro $BOOT_ROOT