Lakka-LibreELEC/projects/Amlogic/bootloader/update.sh
2020-03-02 08:02:06 +00:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
[ -z "$SYSTEM_ROOT" ] && SYSTEM_ROOT=""
[ -z "$BOOT_ROOT" ] && BOOT_ROOT="/flash"
[ -z "$BOOT_PART" ] && BOOT_PART=$(df "$BOOT_ROOT" | tail -1 | awk {' print $1 '})
# identify the boot device
if [ -z "$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 rw
mount -o remount,rw $BOOT_ROOT
# update extlinux device trees
if [ -f $BOOT_ROOT/extlinux/extlinux.conf ]; then
for dtbfile in $BOOT_ROOT/*.dtb ; do
dtb=$(basename $dtbfile)
echo "Updating $dtb"
cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/ 2>/dev/null || true
done
fi
# update box device trees
if [ -f $BOOT_ROOT/uEnv.ini ]; then
for dtbfile in $BOOT_ROOT/dtb/*.dtb ; do
dtb=$(basename $dtbfile)
echo "Updating $dtb"
cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT/dtb/ 2>/dev/null || true
done
fi
# update u-boot scripts
if [ -f $BOOT_ROOT/uEnv.ini ]; then
for scriptfile in $SYSTEM_ROOT/usr/share/bootloader/*_autoscript* $SYSTEM_ROOT/usr/share/bootloader/*.scr ; do
script=$(basename $scriptfile)
echo "Updating $script"
cp -p $SYSTEM_ROOT/usr/share/bootloader/$script $BOOT_ROOT/ 2>/dev/null || true
done
fi
# mount $BOOT_ROOT ro
sync
mount -o remount,ro $BOOT_ROOT