#!/bin/bash

# Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#  * Neither the name of NVIDIA CORPORATION nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# This script builds uboot sources in this directory.
# Usage: ./${SCRIPT_NAME}.sh [OPTIONS]
set -e

SCRIPT_DIR="$(dirname $(readlink -f "${0}"))"
SCRIPT_NAME="$(basename "${0}")"

source "${SCRIPT_DIR}/nvcommon_build.sh"

function usage {
        cat <<EOM
Usage: ./${SCRIPT_NAME} [OPTIONS]
This script builds uboot sources in this directory.
It supports following options.
OPTIONS:
        -h                  Displays this help
EOM
}

# parse input parameters
function parse_input_param {
	while [ $# -gt 0 ]; do
		case ${1} in
			-h)
				usage
				exit 0
				;;
			*)
				echo "Error: Invalid option ${1}"
				usage
				exit 1
				;;
			esac
	done
}

function build_uboot_sources {
	echo "Building u-boot sources.."

	# execute building steps
	source_dir="${SCRIPT_DIR}/u-boot/"
	local config_file=
	if [ "${NV_TARGET_BOARD}" = "t210ref" ]; then
		config_file="p2371-2180_defconfig"
	elif [ "${NV_TARGET_BOARD}" = "t186ref" ]; then
		config_file="p2771-0000-500_defconfig"
	else
		echo "${FUNCNAME[0]}: ${NV_TARGET_BOARD} is not supported"
		return 0
	fi

	"${MAKE_BIN}" -C "${source_dir}" \
		CROSS_COMPILE="${CROSS_COMPILE_AARCH64}" \
		"${config_file}"
	"${MAKE_BIN}" -C "${source_dir}" \
		CROSS_COMPILE="${CROSS_COMPILE_AARCH64}" \
		-j"${NPROC}" --output-sync=target

	bin="${source_dir}/u-boot.bin"
	if [ ! -f "${bin}" ]; then
		echo "Error: Missing output binary ${bin}"
		exit 1
	fi

	echo "U-boot sources compiled successfully."
}

parse_input_param $@
check_vars "NV_TARGET_BOARD"
build_uboot_sources