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Arch-R/projects/Amlogic/bootloader/update.sh
2018-07-18 22:37:48 +02:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)
[ -z "$SYSTEM_ROOT" ] && SYSTEM_ROOT=""
[ -z "$BOOT_ROOT" ] && BOOT_ROOT="/flash"
[ -z "$UPDATE_DIR" ] && UPDATE_DIR="/storage/.update"
UPDATE_DTB_IMG="$UPDATE_DIR/dtb.img"
UPDATE_DTB=`ls -1 "$UPDATE_DIR"/*.dtb 2>/dev/null | head -n 1`
[ -z "$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 -o rw,remount $BOOT_ROOT
for arg in $(cat /proc/cmdline); do
case $arg in
boot=*)
echo "Updating BOOT partition label..."
boot="${arg#*=}"
case $boot in
/dev/mmc*)
LD_LIBRARY_PATH="$SYSTEM_ROOT/lib" $SYSTEM_ROOT/usr/sbin/fatlabel $boot "@BOOT_LABEL@"
;;
LABEL=*)
LD_LIBRARY_PATH="$SYSTEM_ROOT/lib" $SYSTEM_ROOT/usr/sbin/fatlabel $($SYSTEM_ROOT/usr/sbin/findfs $boot) "@BOOT_LABEL@"
;;
esac
if [ -f "/proc/device-tree/le-dt-id" ] ; then
LE_DT_ID=$(cat /proc/device-tree/le-dt-id)
fi
if [ -f "$UPDATE_DTB_IMG" ] ; then
UPDATE_DTB_SOURCE="$UPDATE_DTB_IMG"
elif [ -f "$UPDATE_DTB" ] ; then
UPDATE_DTB_SOURCE="$UPDATE_DTB"
elif [ -n "$LE_DT_ID" -a -f "$SYSTEM_ROOT/usr/share/bootloader/device_trees/$LE_DT_ID.dtb" ] ; then
UPDATE_DTB_SOURCE="$SYSTEM_ROOT/usr/share/bootloader/device_trees/$LE_DT_ID.dtb"
fi
if [ -f "$UPDATE_DTB_SOURCE" ] ; then
echo "Updating device tree from $UPDATE_DTB_SOURCE..."
case $boot in
/dev/system)
dd if=/dev/zero of=/dev/dtb bs=256k count=1 status=none
dd if="$UPDATE_DTB_SOURCE" of=/dev/dtb bs=256k status=none
;;
/dev/mmc*|LABEL=*)
cp -f "$UPDATE_DTB_SOURCE" "$BOOT_ROOT/dtb.img"
;;
esac
fi
for all_dtb in /flash/*.dtb ; do
if [ -f $all_dtb ] ; then
dtb=$(basename $all_dtb)
if [ -f $SYSTEM_ROOT/usr/share/bootloader/$dtb ]; then
echo "Updating $dtb..."
cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT
fi
fi
done
;;
disk=*)
echo "Updating DISK partition label..."
disk="${arg#*=}"
case $disk in
/dev/mmc*)
LD_LIBRARY_PATH="$SYSTEM_ROOT/lib" $SYSTEM_ROOT/usr/sbin/e2label $disk "@DISK_LABEL@"
;;
LABEL=*)
LD_LIBRARY_PATH="$SYSTEM_ROOT/lib" $SYSTEM_ROOT/usr/sbin/e2label $($SYSTEM_ROOT/usr/sbin/findfs $disk) "@DISK_LABEL@"
;;
esac
;;
esac
done
if [ -d $BOOT_ROOT/device_trees ]; then
rm $BOOT_ROOT/device_trees/*.dtb
cp -p $SYSTEM_ROOT/usr/share/bootloader/*.dtb $BOOT_ROOT/device_trees/
fi
if [ -f $SYSTEM_ROOT/usr/share/bootloader/boot.ini ]; then
echo "Updating boot.ini..."
cp -p $SYSTEM_ROOT/usr/share/bootloader/boot.ini $BOOT_ROOT/boot.ini
if [ -f $SYSTEM_ROOT/usr/share/bootloader/config.ini ]; then
if [ ! -f $BOOT_ROOT/config.ini ]; then
echo "Creating config.ini..."
cp -p $SYSTEM_ROOT/usr/share/bootloader/config.ini $BOOT_ROOT/config.ini
fi
fi
fi
if [ -f $SYSTEM_ROOT/usr/share/bootloader/boot-logo.bmp.gz ]; then
echo "Updating boot logo..."
cp -p $SYSTEM_ROOT/usr/share/bootloader/boot-logo.bmp.gz $BOOT_ROOT
fi
if [ -f $SYSTEM_ROOT/usr/share/bootloader/u-boot -a ! -e /dev/system -a ! -e /dev/boot ]; then
echo "Updating u-boot on: $BOOT_DISK..."
dd if=$SYSTEM_ROOT/usr/share/bootloader/u-boot of=$BOOT_DISK conv=fsync bs=1 count=112 status=none
dd if=$SYSTEM_ROOT/usr/share/bootloader/u-boot of=$BOOT_DISK conv=fsync bs=512 skip=1 seek=1 status=none
fi
mount -o ro,remount $BOOT_ROOT