mkimg

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd.

set -e

usage() {
	cat >&2 << USAGE
usage: $0 [-h] --dtb DTB

optional arguments:
  -h, --help            show this help message and exit
  --dtb DTB             the dtb file name
USAGE
}

# Parse command-line arguments
while [ $# -gt 0 ]; do
	case $1 in
		--dtb)
			DTB=$2
			shift 2
			;;
		-h)
			usage
			exit 0
			;;
		--help)
			usage
			exit 0
			;;
		*)
			shift
			;;
        esac
done

srctree=${srctree-"."}
objtree=${objtree-"."}
if [ "${ARCH}" == "" ]; then
	if [ "$($srctree/scripts/config --state CONFIG_ARM)" == "y" ]; then
		ARCH=arm
	else
		ARCH=arm64
	fi
fi

LOGO_PATH=${srctree}/logo.bmp
[ -f ${LOGO_PATH} ] && LOGO=logo.bmp

LOGO_KERNEL_PATH=${srctree}/logo_kernel.bmp
[ -f ${LOGO_KERNEL_PATH} ] && LOGO_KERNEL=logo_kernel.bmp

RAMDISK_IMG_PATH=${objtree}/ramdisk.img
[ -f ${RAMDISK_IMG_PATH} ] && RAMDISK_IMG=ramdisk.img && RAMDISK_ARG="--ramdisk ${RAMDISK_IMG_PATH}"

if [ "${ARCH}" == "arm" ]; then
	DTB_PATH=${objtree}/arch/arm/boot/dts/${DTB}
	KERNEL_IMAGE_ARG="--kernel ${objtree}/arch/arm/boot/Image"
	KERNEL_ZIMAGE_ARG="--kernel ${objtree}/arch/arm/boot/zImage"
	ZIMAGE=zImage
else
	DTB_PATH=${objtree}/arch/arm64/boot/dts/rockchip/${DTB}
	KERNEL_IMAGE_ARG="--kernel ${objtree}/arch/arm64/boot/Image"
	KERNEL_ZIMAGE_ARG="--kernel ${objtree}/arch/arm64/boot/Image.lz4"
	ZIMAGE=Image.lz4
fi
if [ ! -f ${DTB_PATH} ]; then
	echo "No dtb"
	usage
	exit 1
fi

make_boot_img()
{
	${srctree}/scripts/mkbootimg \
		${KERNEL_IMAGE_ARG} \
		${RAMDISK_ARG} \
		--second resource.img \
		-o boot.img && \
	echo "  Image:  boot.img (with Image ${RAMDISK_IMG} resource.img) is ready";
	${srctree}/scripts/mkbootimg \
		${KERNEL_ZIMAGE_ARG} \
		${RAMDISK_ARG} \
		--second resource.img \
		-o zboot.img && \
	echo "  Image:  zboot.img (with ${ZIMAGE} ${RAMDISK_IMG} resource.img) is ready"
}

repack_boot_img()
{
	${srctree}/scripts/repack-bootimg \
		--boot_img ${BOOT_IMG} --out out \
		${KERNEL_IMAGE_ARG} \
		--second resource.img \
		--dtb ${DTB_PATH} \
		-o boot.img &&
	echo "  Image:  boot.img (${BOOT_IMG} + Image + resource.img) is ready";
	${srctree}/scripts/repack-bootimg \
		--boot_img ${BOOT_IMG} --out out \
		${KERNEL_ZIMAGE_ARG} \
		--second resource.img \
		--dtb ${DTB_PATH} \
		-o zboot.img && \
	echo "  Image:  zboot.img (${BOOT_IMG} + ${ZIMAGE} + resource.img) is ready"
}

if [ -x ${srctree}/scripts/bmpconvert ]; then
	if [ -f ${LOGO_PATH} ]; then
		${srctree}/scripts/bmpconvert ${LOGO_PATH};
	fi
	if [ -f ${LOGO_KERNEL_PATH} ]; then
		${srctree}/scripts/bmpconvert ${LOGO_KERNEL_PATH};
	fi
fi

if [ "${srctree}" != "${objtree}" ]; then
	if [ -f ${LOGO_PATH} ]; then
		cp -a ${LOGO_PATH} ${objtree}/;
	fi
	if [ -f ${LOGO_KERNEL_PATH} ]; then
		cp -a ${LOGO_KERNEL_PATH} ${objtree}/;
	fi
fi
scripts/resource_tool ${DTB_PATH} ${LOGO} ${LOGO_KERNEL} >/dev/null
echo "  Image:  resource.img (with ${DTB} ${LOGO} ${LOGO_KERNEL}) is ready"

if [ -f "${BOOT_IMG}" -a -x ${srctree}/scripts/repack-bootimg ]; then
	repack_boot_img;
elif [ -x ${srctree}/scripts/mkbootimg ]; then
	make_boot_img;
fi