#!/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${DEBUG+set}" = 'xset' ] && set -v set -u -e . "include/err.sh" projectname="$(cat projectname)" our_version="$(cat version)" export LOCALVERSION="-${projectname}-${our_version}" arch="" cfgsdir="" codedir="" config="" config_name="" crossgcc_ada="" elfdir="" listfile="" mode="" project="" romtype="" target="" target_dir="" tree="" main() { while getopts b:m:u: option do case "${1}" in -b) mode="all" shift ;; -u) mode="oldconfig" shift ;; -m) mode="menuconfig" shift ;; *) fail "Invalid option" ;; esac project="${OPTARG}" shift done [ -z "${mode}" ] && fail "mode not given (-m, -u or -b)" elfdir="elf/${project}" cfgsdir="resources/${project}" [ -d "${cfgsdir}" ] || fail "directory, ${cfgsdir}, does not exist" listfile="${cfgsdir}/build.list" [ -f "${listfile}" ] || fail "list file, ${listfile}, does not exist" # Build for all targets if no argument is given targets=$(./build command options "${cfgsdir}") [ $# -gt 0 ] && targets=$@ [ -d "${elfdir}" ] || [ "${mode}" != "all" ] || \ mkdir -p "${elfdir}/" || fail "can't create directory ${elfdir}" for x in ${targets}; do target="${x}" printf "Running 'make %s' for project '%s, target '%s''\n" \ "${mode}" "${project}" "${target}" [ "${project}" != "coreboot" ] || [ "${mode}" != "all" ] || \ ./update blobs download ${target} || fail "blobutil" handle_defconfig || fail "error handling config file" done if [ "${mode}" = "all" ]; then printf "Done! The files are stored under %s/\n\n" "${elfdir}" fi } handle_defconfig() { handle_dependencies "${target}" || \ fail "handle_defconfig: failed call to handle_dependencies" for y in "${target_dir}/config"/*; do [ -f "${y}" ] || continue config="${y}" config_name="${config#$target_dir/config/}" printf "build/defconfig/%s %s: handling config %s\n" \ "${project}" "${target}" "${config_name}" [ "${mode}" != "all" ] || check_config || continue run_make_command [ "${mode}" != "all" ] || copy_elf done } handle_dependencies() { target_dir="${cfgsdir}/${target}" mkdir -p "${elfdir}/${target}" || \ fail "handle_dependencies: !mkdir -p ${elfdir}/${target}" tree="undefined" arch="undefined" romtype="normal" [ ! -f "${target_dir}/target.cfg" ] && \ fail "handle_dependencies: ${target_dir}: missing target.cfg" # Override the above defaults using target.cfg . "${target_dir}/target.cfg" # source [ "${tree}" = "undefined" ] && \ fail "handle_dependencies: ${target_dir}: tree undefined" [ "${arch}" = "undefined" ] && \ fail "handle_dependencies: ${target_dir}: undefined cpu type" codedir="${project}/${tree}" [ -d "${codedir}" ] || \ ./fetch_trees "${project}" "${target}" || \ fail "handle_dependencies: can't fetch ${project}/${target}" # u-boot and coreboot are both compiled with coreboot's crossgcc if [ "${project}" = "coreboot" ] || [ "${project}" = "u-boot" ]; then [ "${mode}" != "all" ] || check_cross_compiler || \ fail "handle_dependencies ${project}/${target}: crossgcc" 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: ctarget="${cbdir#coreboot/}" [ -d "${cbdir}" ] || \ ./fetch_trees coreboot ${ctarget} || \ fail "check_cross_compiler: can't fetch coreboot/${ctarget}" if [ "${arch}" = "x86_32" ] || [ "${arch}" = "x86_64" ]; then [ -d "${cbdir}/util/crossgcc/xgcc/i386-elf/" ] || \ make -C "${cbdir}" crossgcc-i386 CPUS=$(nproc) || \ return 1 case "$(uname -m)" in x86*|i*86|amd64) : ;; *) export CROSS_COMPILE=i386-elf- ;; esac elif [ "${arch}" = "ARMv7" ]; then [ -d "${cbdir}/util/crossgcc/xgcc/arm-eabi/" ] || \ make -C "${cbdir}" crossgcc-arm CPUS=$(nproc) || \ return 1 case "$(uname -m)" in arm|arm32|armv6*|armv7*) : ;; *) export CROSS_COMPILE=arm-eabi- ;; esac elif [ "${arch}" = "AArch64" ]; then [ -d "${cbdir}/util/crossgcc/xgcc/aarch64-elf/" ] || \ make -C "${cbdir}" crossgcc-aarch64 CPUS=$(nproc) || \ return 1 # aarch64 also needs armv7 toolchain for arm-trusted-firmware [ -d "${cbdir}/util/crossgcc/xgcc/arm-eabi/" ] || \ make -C "${cbdir}" crossgcc-arm CPUS=$(nproc) || \ return 1 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}" ] && \ fail "check_config: ${project}/${target}: configs missing" dest_dir="${elfdir}/${target}/${config_name}" # TODO: very hacky check. do it properly (based on build.list) for elftest in "${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}" || \ fail "check_config: cannot mkdir: ${dest_dir}" } run_make_command() { ./handle make file -c "${codedir}" || \ fail "run_make_command: make distclean/clean failed" cp "${config}" "${codedir}/.config" || \ fail "run_make_command: can't copy config for: ${project}/${target}" [ "${mode}" != "all" ] || make -C "${codedir}" silentoldconfig || \ make -C "${codedir}" oldconfig || : # don't error on oldconfig if [ "${project}" = "coreboot" ] && [ "${mode}" = "all" ]; then printf "%s\n" "${our_version}" >"${codedir}/.coreboot-version" \ || fail "run_make_command: ${codedir}: can't set version" fi make -C "${codedir}" -j$(nproc) ${mode} || \ fail "run_make_command: make-all: ${codedir} (${project}/${target})" } copy_elf() { if [ "${project}" = "coreboot" ]; then modify_coreboot_rom || \ err "copy_elf: cannot prepare coreboot image" fi for f in $(cat "${listfile}"); do [ ! -f "${codedir}/$f" ] || \ cp "${codedir}/${f}" "${dest_dir}/" || \ fail "copy_elf: cannot copy elf file" done ./handle make file -c "${codedir}" || \ fail "copy_elf: clean: ${codedir} (${project}/${target})" } modify_coreboot_rom() { rompath="${codedir}/build/coreboot.rom" [ -f "${rompath}" ] || \ err "modify_coreboot_rom: does not exist: ${rompath}" tmprom="$(mktemp -t rom.XXXXXXXXXX)" rm -f "${tmprom}" || \ err "modify_coreboot_rom prep: cannot remove tmprom" if [ "${romtype}" = "d8d16sas" ]; then # pike2008 roms hang seabios. an empty rom will override # the built-in one, thus disabling all execution of it touch "${tmprom}" || \ err "modify_coreboot_rom: cannot create fake oprom" for deviceID in "0072" "3050"; do "${cbfstool}" "${rompath}" add -f "${tmprom}" \ -n "pci1000,${deviceID}.rom" -t raw || \ err "modify_coreboot_rom: can't insert fake rom" done elif [ "${romtype}" = "i945 laptop" ]; then # for bucts-based installation method from factory bios dd if="${rompath}" of="${tmprom}" bs=1 \ skip=$(($(stat -c %s "${rompath}") - 0x10000)) \ count=64k || \ err "modify_coreboot_rom: can't read i945 bootblock" dd if="${tmprom}" of="${rompath}" bs=1 \ seek=$(($(stat -c %s "${rompath}") - 0x20000)) \ count=64k conv=notrunc || \ err "modify_coreboot_rom: can't write i945 bootblock" fi for romsize in 4 8 16; do ifddir="descriptors/ich9m" for bs in "4" "12"; do ifdgbe="${ifddir}/ich9fdnogbe_${romsize}m.bin" cmpstr="${romsize}MiB ICH9 IFD NOGBE NOR flash" if [ "${bs}" = "12" ]; then cmpstr="${romsize}MiB ICH9 IFD NOR flash" ifdgbe="${ifddir}/ich9fdgbe_${romsize}m.bin" fi [ "${romtype}" = "${cmpstr}" ] || continue [ -f "${ifdgbe}" ] || ./build descriptors ich9m || \ err "modify_coreboot_rom: can't create ich9m ifd" dd if="${ifdgbe}" of="${rompath}" bs=${bs}k count=1 \ conv=notrunc || \ err "modify_coreboot_rom: can't insert ich9m ifd" done done rm -f "${tmprom}" || \ err "modify_coreboot_rom: cannot remove tmprom" } fail() { [ -z "${codedir}" ] || ./handle make file -c "${codedir}" || : err "${1}" } main $@