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#!/usr/bin/env bash
# helper script: builds U-Boot source code
#
# Copyright (C) 2020, 2021 Leah Rowe <info@minifree.org>
# Copyright (C) 2021 Vitali64 <vitali64pmemail@protonmail.com>
# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
RET=0
# Build U-Boot
# ---------------------------------------------------------------------
printf "Building U-Boot payloads\n"
# Build for all boards if no argument is given
if [ "$#" -eq 0 ]; then
for board_dir in resources/u-boot/*; do
if [ -d "${board_dir}/config/" ]; then
set -- "$@" "${board_dir#resources/u-boot/}"
fi
done
fi
[ ! -d "payload/" ] && mkdir -p payload/
[ ! -d "payload/u-boot" ] && mkdir -p payload/u-boot/
# Appends additional version info to U-Boot
our_version="$(cat version)"
projectname="$(cat projectname)"
export LOCALVERSION="-${projectname}-${our_version}"
for board in "$@"; do
board_dir="resources/u-boot/${board}"
rm -rf "payload/u-boot/${board}"
mkdir -p "payload/u-boot/${board}"
ubtree="undefined"
arch="undefined"
if [ ! -f "${board_dir}/board.cfg" ]; then
printf "%s: Target %s does not have a board.cfg. Skipping build.\n" \
"build/payload/u-boot" "${board}"
RET=1
continue
fi
# Override the above defaults using board.cfg
source "${board_dir}/board.cfg"
if [ "${ubtree}" = "undefined" ]; then
printf "%s: Target %s does not define a U-Boot tree. Skipping build.\n" \
"build/payload/u-boot" "${board}"
RET=1
continue
fi
if [ "${arch}" = "undefined" ]; then
printf "%s: Target %s does not define a CPU type. Skipping build.\n" \
"build/payload/u-boot" "${board}"
RET=1
continue
fi
ubdir="u-boot/${board}"
if [ "${board}" != "${ubtree}" ]; then
ubdir="u-boot/${ubtree}"
fi
if [ ! -d "${ubdir}" ]; then
./download u-boot "$board"
fi
if [ ! -d "${ubdir}" ]; then
printf "%s: Failed to download U-Boot for target %s. Skipping build.\n" \
"build/payload/u-boot" "${board}"
RET=1
continue
fi
if [ "${arch}" = "x86_32" ] || [ "${arch}" = "x86_64" ]; then
export CROSS_COMPILE=x86_64-linux-
elif [ "${arch}" = "ARMv7" ]; then
export CROSS_COMPILE=arm-linux-gnueabi-
elif [ "${arch}" = "AArch64" ]; then
export CROSS_COMPILE=aarch64-linux-gnu-
fi
for config in "${board_dir}/config"/*; do
if [ ! -f "${config}" ]; then
printf "%s: Target %s has no configs to build for. Skipping build.\n" \
"build/payload/u-boot" "${board}"
RET=1
continue
fi
config_name="${config#$board_dir/config/}"
if [ "$config_name" = "default" ]; then
dest_dir="payload/u-boot/${board}"
else
dest_dir="payload/u-boot/${board}/${config_name}"
fi
mkdir -p "${dest_dir}"
printf "%s: Building for target %s (config %s).\n" \
"build/payload/u-boot" "${board}" "${config_name}"
make -C "${ubdir}" distclean
cp "${config}" "${ubdir}/.config"
make -C "${ubdir}" olddefconfig
make -C "${ubdir}" -j"$(nproc)" all
for f in "${ubdir}"/u-boot{,.bin,.dtb,.img,.itb,.elf}; do
if [ -f "$f" ]; then
mv "$f" "${dest_dir}/"
fi
done
make -C "${ubdir}" distclean
printf "%s: Built for target %s (config %s).\n" \
"build/payload/u-boot" "${board}" "${config_name}"
done
done
printf "Done! U-Boot files are in payload/u-boot/\n\n"
exit $RET
# ------------------- DONE ----------------------
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