build/u-boot: top-down, split-function code style
main() on top top-down order of logic logic split into separate functions Signed-off-by: Leah Rowe <leah@libreboot.org>fsdg20230625
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@ -4,6 +4,7 @@
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#
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# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
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# Copyright (C) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.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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@ -22,32 +23,65 @@
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set -u -e
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RET=0
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# Build U-Boot
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# ---------------------------------------------------------------------
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printf "Building U-Boot payloads\n"
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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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# 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/" ] && mkdir -p payload/
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[ ! -d "${pdir}" ] && mkdir -p ${pdir}/
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# Appends additional version info to U-Boot
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our_version="$(cat version)"
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projectname="$(cat projectname)"
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export LOCALVERSION="-${projectname}-${our_version}"
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for board in "$@"; do
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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}/${board}"
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@ -59,7 +93,7 @@ for board in "$@"; do
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printf "build/u-boot %s: Missing board.cfg.\n" \
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"${board}"
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RET=1
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continue
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return 1
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fi
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# Override the above defaults using board.cfg
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@ -69,13 +103,13 @@ for board in "$@"; do
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printf "build/u-boot %s: ubtree undefined\n" \
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"${board}"
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RET=1
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continue
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return 1
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fi
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if [ "${arch}" = "undefined" ]; then
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printf "build/u-boot %s: undefined cpu type\n" \
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"${board}"
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RET=1
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continue
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return 1
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fi
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ubdir="u-boot/${board}"
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@ -91,50 +125,55 @@ for board in "$@"; do
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printf "build/u-boot %s: uboot download failed\n" \
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"${board}"
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RET=1
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continue
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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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for config in "${board_dir}/config"/*; do
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if [ ! -f "${config}" ]; then
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printf "build/u-boot %s: configs missing\n" \
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${board}
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RET=1
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continue
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if [ "$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 "${ubdir}"/u-boot "${ubdir}"/u-boot.bin \
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"${ubdir}"/u-boot.dtb \
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"${ubdir}"/u-boot.img \
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"${ubdir}"/u-boot.itb \
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"${ubdir}"/u-boot.elf
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do
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if [ -f "$f" ]; then
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mv "$f" "${dest_dir}/"
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fi
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config_name="${config#$board_dir/config/}"
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if [ "$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} ${config_name}
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make -C "${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 "${ubdir}"/u-boot.bin \
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"${ubdir}"/u-boot.dtb \
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"${ubdir}"/u-boot.img \
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"${ubdir}"/u-boot.itb \
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"${ubdir}"/u-boot.elf; do
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if [ -f "$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 "${ubdir}" distclean
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printf "build/u-boot %s: build config %s\n" \
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"${board}" "${config_name}"
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done
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done
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printf "Done! U-Boot files are in %s/\n\n" ${pdir}
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exit $RET
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make -C "${ubdir}" distclean
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}
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main $@
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