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Diffstat (limited to 'resources/scripts/build/defconfig/for')
| -rwxr-xr-x | resources/scripts/build/defconfig/for | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/resources/scripts/build/defconfig/for b/resources/scripts/build/defconfig/for new file mode 100755 index 00000000..93eae3f1 --- /dev/null +++ b/resources/scripts/build/defconfig/for @@ -0,0 +1,240 @@ +#!/usr/bin/env sh + +# helper script: build elf files on build systems that use defconfig/kconfig +# +# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com> +# Copyright (C) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com> +# Copyright (C) 2023 Leah Rowe <leah@libreboot.org> +# +# 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/>. + +# you could probably build *linux* with this script! + +[ "x${DEBUG+set}" = 'xset' ] && set -v +set -u -e + +projectname="$(cat projectname)" +our_version="$(cat version)" + +export LOCALVERSION="-${projectname}-${our_version}" + +arch="" +cfgsdir="" +codedir="" +config="" +config_name="" +crossgcc_ada="" +elfdir="" +listfile="" +project="" +target="" +target_dir="" +tree="" + +main() +{ + [ $# -lt 1 ] && err "Project name not specified" + project="${1}" + elfdir="elf/${project}" + shift 1 + + cfgsdir="resources/${project}" + [ -d "${cfgsdir}" ] || err "directory, ${cfgsdir}, does not exist" + + listfile="${cfgsdir}/build.list" + [ -f "${listfile}" ] || err "list file, ${listfile}, does not exist" + + printf "Building %s binaries (elf files)\n" ${project} + + # Build for all targets if no argument is given + if [ "$#" -eq 0 ]; then + for target_dir in "${cfgsdir}"/*; do + [ ! -d "${target_dir}/config/" ] && \ + continue + set -- "$@" "${target_dir#${cfgsdir}/}" + done + fi + + [ ! -d "${elfdir}" ] && \ + mkdir -p ${elfdir}/ + + for x in "$@"; do + target="${x}" + if [ "${project}" = "coreboot" ]; then + ./update blobs download ${target} || err "blobutil" + fi + build_defconfig || exit 1 + done + + printf "Done! The files are stored under %s/\n\n" ${elfdir} +} + +build_defconfig() +{ + handle_dependencies "${target}" || return 1 + + for y in "${target_dir}/config"/*; do + [ ! -f "${y}" ] && continue + config="${y}" + config_name="${config#$target_dir/config/}" + + printf "build/defconfig/%s %s: build config %s\n" \ + ${project} ${target} ${config_name} + + check_config || continue + build_elf + copy_elf + done +} + +handle_dependencies() +{ + target_dir="${cfgsdir}/${target}" + mkdir -p "${elfdir}/${target}" + + tree="undefined" + arch="undefined" + + [ ! -f "${target_dir}/target.cfg" ] && \ + err "build/${project} ${target}: Missing target.cfg" + + # Override the above defaults using target.cfg + . "${target_dir}/target.cfg" # source + + [ "${tree}" = "undefined" ] && \ + err "build/${project} %{target}: tree undefined" + [ "${arch}" = "undefined" ] && \ + err "build/${project} ${target}: undefined cpu type" + + codedir="${project}/${tree}" + [ -d "${codedir}" ] || \ + ./fetch_trees "${project}" "$target" || exit 1 + + # u-boot and coreboot are both compiled with coreboot's crossgcc + if [ "${project}" = "coreboot" ] || [ "${project}" = "u-boot" ]; then + check_cross_compiler || err "crossgcc fail" + fi +} + +# set up cross-compiler (coreboot crossgcc) for u-boot and coreboot +# (seabios and grub currently use hostcc, not crossgcc) +check_cross_compiler() +{ + [ "${crossgcc_ada}" = "y" ] || [ "${crossgcc_ada}" = "n" ] || \ + crossgcc_ada="y" + [ "${crossgcc_ada}" != "y" ] && \ + export BUILD_LANGUAGES=c + + cbdir="coreboot/${tree}" + [ "${project}" != "coreboot" ] && \ + cbdir="coreboot/default" # not u-boot (e.g. linux will use it) + [ "${project}" = "u-boot" ] && \ + cbdir="coreboot/cros" # u-boot only used on coreboot/cros + # only true if not building coreboot: + [ -d "${cbdir}" ] || \ + ./fetch_trees coreboot ${cbdir#coreboot/} || \ + err "check_cross_compiler" + + if [ "${arch}" = "x86_32" ] || [ "${arch}" = "x86_64" ]; then + if [ ! -d "${cbdir}/util/crossgcc/xgcc/i386-elf/" ]; then + # Even for 64-bit machines, coreboot builds 32-bit ROM + # images, so we only need to worry about i386-elf + make -C "${cbdir}" crossgcc-i386 CPUS=$(nproc) || \ + return 1 + fi + case "$(uname -m)" in + x86*|i*86|amd64) : ;; + *) export CROSS_COMPILE=i386-elf- ;; + esac + elif [ "${arch}" = "ARMv7" ]; then + if [ ! -d "${cbdir}/util/crossgcc/xgcc/arm-eabi/" ]; then + make -C "${cbdir}" crossgcc-arm CPUS=$(nproc) || \ + return 1 + fi + case "$(uname -m)" in + arm|arm32|armv6*|armv7*) : ;; + *) export CROSS_COMPILE=arm-eabi- ;; + esac + elif [ "${arch}" = "AArch64" ]; then + if [ ! -d "${cbdir}/util/crossgcc/xgcc/aarch64-elf/" ]; then + make -C "${cbdir}" crossgcc-aarch64 CPUS=$(nproc) || \ + return 1 + fi + # aarch64 also needs armv7 toolchain for arm-trusted-firmware + if [ ! -d "${cbdir}/util/crossgcc/xgcc/arm-eabi/" ]; then + make -C "${cbdir}" crossgcc-arm CPUS=$(nproc) || \ + return 1 + fi + case "$(uname -m)" in + arm64|aarch64) : ;; + *) export CROSS_COMPILE=aarch64-elf- ;; + esac + fi + + # we *must* ensure that u-boot's build system uses crossgcc first + export PATH="$(pwd)/${cbdir}/util/crossgcc/xgcc/bin:$PATH" +} + +check_config() +{ + [ ! -f "${config}" ] && \ + err "build/${project} ${target}: configs missing" + + dest_dir="${elfdir}/${target}/${config_name}" + for elftest in "${dest_dir}"/*; do + if [ -f "${elftest}" ]; then + printf "Build already exists, so skipping build\n" 1>&2 + return 1 + fi + done + mkdir -p "${dest_dir}" + + printf "build/%s %s: building config %s).\n" \ + ${project} ${target} ${config_name} +} + +build_elf() +{ + make -C "${codedir}" distclean || err "build_elf" + + cp "${config}" "${codedir}/.config" || err "build_elf" + make -C "${codedir}" silentoldconfig || \ + make -C "${codedir}" oldconfig || : # don't error on oldconfig + + [ "${project}" = "coreboot" ] && \ + printf "%s\n" "${our_version}" > "${codedir}/.coreboot-version" + make -C "${codedir}" -j"$(nproc)" all || err "build_elf" +} + +copy_elf() +{ + for f in $(cat "${listfile}"); do + [ -f "${codedir}/$f" ] && cp "${codedir}/${f}" "${dest_dir}/" + done + + make -C "${codedir}" distclean || \ + make -C "${codedir}" clean || err "copy_elf" +} + +err() +{ + [ -z "${codedir}" ] || \ + make -C "${codedir}" distclean \ + || make -C "${codedir}" clean || : + + printf "build/defconfig error %s\n" "${1}" 1>&2 + exit 1 +} + +main $@ |