174 lines
3.5 KiB
Bash
Executable File
174 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env sh
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# helper script: builds U-Boot source code
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#
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# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
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# Copyright (C) 2023 Leah Rowe <leah@libreboot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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[ "x${DEBUG+set}" = 'xset' ] && set -v
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set -u -e
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RET=0
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pdir="payload/u-boot"
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ubdir=""
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arch=""
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ubtree=""
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config_name=""
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board_dir=""
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our_version="$(cat version)"
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projectname="$(cat projectname)"
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export LOCALVERSION="-${projectname}-${our_version}"
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main()
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{
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printf "Building U-Boot payloads\n"
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# Build for all boards if no argument is given
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if [ "$#" -eq 0 ]; then
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for board_dir in resources/u-boot/*; do
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[ ! -d "${board_dir}/config/" ] && \
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continue
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set -- "$@" "${board_dir#resources/u-boot/}"
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done
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fi
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[ ! -d "payload/" ] && \
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mkdir -p payload/
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[ ! -d "${pdir}" ] && \
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mkdir -p ${pdir}/
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for board in "$@"; do
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build_uboot_payloads "${board}" || continue
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done
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printf "Done! U-Boot files are in %s/\n\n" ${pdir}
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exit $RET
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}
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build_uboot_payloads()
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{
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board=${1}
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handle_dependencies "${board}" || return 1
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for config in "${board_dir}/config"/*; do
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config_name="${config#$board_dir/config/}"
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check_config "${board}" "${config}" || continue
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build_uboot_elf "${config}"
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printf "build/u-boot %s: build config %s\n" \
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"${board}" "${config_name}"
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done
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}
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handle_dependencies()
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{
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board=${1}
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board_dir="resources/u-boot/${board}"
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rm -rf "${pdir}/${board}"
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mkdir -p "${pdir}/${board}"
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ubtree="undefined"
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arch="undefined"
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if [ ! -f "${board_dir}/board.cfg" ]; then
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printf "build/u-boot %s: Missing board.cfg.\n" \
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"${board}"
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RET=1
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return 1
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fi
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# Override the above defaults using board.cfg
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source "${board_dir}/board.cfg" # source
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if [ "${ubtree}" = "undefined" ]; then
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printf "build/u-boot %s: ubtree undefined\n" \
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"${board}"
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RET=1
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return 1
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fi
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if [ "${arch}" = "undefined" ]; then
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printf "build/u-boot %s: undefined cpu type\n" \
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"${board}"
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RET=1
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return 1
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fi
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ubdir="u-boot/${board}"
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if [ "${board}" != "${ubtree}" ]; then
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ubdir="u-boot/${ubtree}"
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fi
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if [ ! -d "${ubdir}" ]; then
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./download u-boot "$board"
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fi
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if [ ! -d "${ubdir}" ]; then
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printf "build/u-boot %s: uboot download failed\n" \
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"${board}"
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RET=1
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return 1
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fi
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}
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check_config()
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{
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board=${1}
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config=${2}
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if [ ! -f "${config}" ]; then
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printf "build/u-boot %s: configs missing\n" \
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${board}
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RET=1
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return 1
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fi
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if [ "$config_name" = "default" ]; then
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dest_dir="${pdir}/${board}"
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else
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dest_dir="${pdir}/${board}/${config_name}"
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fi
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mkdir -p "${dest_dir}"
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printf "build/u-boot %s: building config %s).\n" \
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${board} ${config_name}
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}
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build_uboot_elf()
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{
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config=${1}
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make -C "${ubdir}" distclean
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cp "${config}" "${ubdir}/.config"
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make -C "${ubdir}" olddefconfig
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make -C "${ubdir}" -j"$(nproc)" all
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for f in "${ubdir}"/u-boot{,.bin,.dtb,.img,.itb,.elf}; do
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if [ -f "$f" ]; then
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mv "$f" "${dest_dir}/"
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fi
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done
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make -C "${ubdir}" distclean
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}
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main $@
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