image-output-abl.sh

function add_host_dependencies__abl_host_deps() {
	declare -g EXTRA_BUILD_DEPS="${EXTRA_BUILD_DEPS} mkbootimg"
}

function post_build_image__900_convert_to_abl_img() {
	[[ -z $version ]] && exit_with_error "version is not set"

	if [ ! -z "$UEFI_GRUB_TARGET" ]; then
		display_alert "Ignore" "${EXTENSION}" "info"
		return 0
	fi

	if [ ! -z "$BOOTFS_TYPE" ]; then
		return 0
	fi

	display_alert "Converting image $version to rootfs" "${EXTENSION}" "info"
	declare -g ROOTFS_IMAGE_FILE="${DESTIMG}/${version}.rootfs.img"
	rootfs_start_sector=$(gdisk -l ${DESTIMG}/${version}.img | grep rootfs | awk '{print $2}')
	rootfs_end_sector=$(gdisk -l ${DESTIMG}/${version}.img | grep rootfs | awk '{print $3}')
	old_rootfs_image_mount_dir=${DESTIMG}/rootfs-old
	new_rootfs_image_mount_dir=${DESTIMG}/rootfs-new
	mkdir -p ${old_rootfs_image_mount_dir} ${new_rootfs_image_mount_dir}
	truncate --size=9728M ${ROOTFS_IMAGE_FILE}
	mkfs.ext4 -F ${ROOTFS_IMAGE_FILE}
	new_rootfs_image_uuid=$(blkid -s UUID -o value ${ROOTFS_IMAGE_FILE})
	old_image_loop_device=$(losetup -f -P --show ${DESTIMG}/${version}.img)
	old_rootfs_image_uuid=$(blkid -s UUID -o value ${old_image_loop_device}p1)
	mount ${old_image_loop_device}p1 ${old_rootfs_image_mount_dir}
	mount ${ROOTFS_IMAGE_FILE} ${new_rootfs_image_mount_dir}
	cp -rfp ${old_rootfs_image_mount_dir}/* ${new_rootfs_image_mount_dir}/
	umount ${old_rootfs_image_mount_dir}
	losetup -d ${old_image_loop_device}
	rm ${DESTIMG}/${version}.img
	display_alert "Replace root partition uuid from ${old_rootfs_image_uuid} to ${new_rootfs_image_uuid} in /etc/fstab" "${EXTENSION}" "info"
	sed -i "s|${old_rootfs_image_uuid}|${new_rootfs_image_uuid}|g" ${new_rootfs_image_mount_dir}/etc/fstab
	source ${new_rootfs_image_mount_dir}/boot/armbianEnv.txt
	declare -g bootimg_cmdline="${BOOTIMG_CMDLINE_EXTRA} root=UUID=${new_rootfs_image_uuid} slot_suffix=${abl_boot_partition_label#boot}"

	if [ ${#ABL_DTB_LIST[@]} -ne 0 ]; then
		display_alert "Going to create abl kernel boot image" "${EXTENSION}" "info"
		gzip -c ${new_rootfs_image_mount_dir}/boot/vmlinuz-*-* > ${DESTIMG}/Image.gz
		for dtb_name in "${ABL_DTB_LIST[@]}"; do
			display_alert "Creatng abl kernel boot image with dtb ${dtb_name} and cmdline ${bootimg_cmdline} " "${EXTENSION}" "info"
			cat ${DESTIMG}/Image.gz ${new_rootfs_image_mount_dir}/usr/lib/linux-image-*/qcom/${dtb_name}.dtb > ${DESTIMG}/Image.gz-${dtb_name}
			/usr/bin/mkbootimg \
				--kernel ${DESTIMG}/Image.gz-${dtb_name} \
				--ramdisk ${new_rootfs_image_mount_dir}/boot/initrd.img-*-* \
				--base 0x0 \
				--second_offset 0x00f00000 \
				--cmdline "${bootimg_cmdline}" \
				--kernel_offset 0x8000 \
				--ramdisk_offset 0x1000000 \
				--tags_offset 0x100 \
				--pagesize 4096 \
				-o ${DESTIMG}/${version}.boot_${dtb_name}.img
		done
		display_alert "Creatng abl kernel boot recovery image with dtb ${ABL_DTB_LIST[0]}" "${EXTENSION}" "info"
		cat ${DESTIMG}/Image.gz ${new_rootfs_image_mount_dir}/usr/lib/linux-image-*/qcom/${dtb_name}.dtb > ${DESTIMG}/Image.gz-${dtb_name}
		/usr/bin/mkbootimg \
			--kernel ${DESTIMG}/Image.gz-${ABL_DTB_LIST[0]} \
			--ramdisk ${new_rootfs_image_mount_dir}/boot/initrd.img-*-* \
			--base 0x0 \
			--second_offset 0x00f00000 \
			--kernel_offset 0x8000 \
			--ramdisk_offset 0x1000000 \
			--tags_offset 0x100 \
			--pagesize 4096 \
			-o ${DESTIMG}/${version}.boot_recovery.img
	fi

	umount ${new_rootfs_image_mount_dir}
	rm -rf ${new_rootfs_image_mount_dir}
	e2fsck -p -f ${ROOTFS_IMAGE_FILE}
	resize2fs -M ${ROOTFS_IMAGE_FILE}
	return 0
}