From 2d16e1ee479d692e3bd4ad722505a87ef8ffb5ba Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Fri, 6 Oct 2023 01:59:13 +0100
Subject: rename build/project/trees to update/project/build

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 script/build/boot/roms       |   8 +-
 script/build/project/trees   | 301 -------------------------------------------
 script/build/release/src     |   8 +-
 script/update/blobs/download |   2 +-
 script/update/project/build  | 301 +++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 310 insertions(+), 310 deletions(-)
 delete mode 100755 script/build/project/trees
 create mode 100755 script/update/project/build

diff --git a/script/build/boot/roms b/script/build/boot/roms
index e111fdb0..5f40667f 100755
--- a/script/build/boot/roms
+++ b/script/build/boot/roms
@@ -128,7 +128,7 @@ prepare_target()
 
 	memtest_bin="memtest86plus/build${arch#*_}/memtest.bin"
 	[ "${payload_memtest}" != "y" ] || [ -f "${memtest_bin}" ] || \
-		x_ ./build project trees -b ${memtest_bin%/*}
+		x_ ./update project build -b ${memtest_bin%/*}
 
 	x_ rm -f "${romdir}/"*
 
@@ -145,7 +145,7 @@ build_dependency_seabios()
 	    || [ ! -f elf/seabios/default/libgfxinit/bios.bin.elf ] \
 	    || [ ! -f elf/seabios/default/vgarom/bios.bin.elf ] \
 	    || [ ! -f elf/seabios/default/normal/bios.bin.elf ]; then
-		x_ ./build project trees -b seabios
+		x_ ./update project build -b seabios
 	fi
 }
 
@@ -173,7 +173,7 @@ build_dependency_uboot()
 {
 	[ "${payload_uboot}" = "y" ] || return 0
 
-	x_ ./build project trees -b u-boot ${board}
+	x_ ./update project build -b u-boot ${board}
 	ubdir="elf/u-boot/${board}/${uboot_config}"
 	ubootelf="${ubdir}/u-boot.elf"
 	[ ! -f "${ubootelf}" ] && [ -f "${ubdir}/u-boot.bin" ] && \
@@ -210,7 +210,7 @@ build_roms()
 		    "${cbcfg}" "${board}" "${displaymode}" "${initmode}" \
 		    1>&2 && return 0
 
-	x_ ./build project trees -b coreboot ${board}
+	x_ ./update project build -b coreboot ${board}
 
 	_cbrom="elf/coreboot/${board}/${initmode}_${displaymode}"
 	[ "${initmode}" = "normal" ] && \
diff --git a/script/build/project/trees b/script/build/project/trees
deleted file mode 100755
index 02481f02..00000000
--- a/script/build/project/trees
+++ /dev/null
@@ -1,301 +0,0 @@
-#!/usr/bin/env sh
-# SPDX-License-Identifier: GPL-3.0-or-later
-# SPDX-FileCopyrightText: 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
-# SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
-# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
-
-[ "x${DEBUG+set}" = 'xset' ] && set -v
-set -u -e
-
-. "include/err.sh"
-. "include/option.sh"
-
-read projectname < projectname
-read version < version
-
-export LOCALVERSION="-${projectname}-${version}"
-
-eval "$(setvars "" arch cfgsdir codedir config config_name crossgcc_ada mode \
-    elfdir listfile project romtype target target_dir targets tree cbfstool _f)"
-
-tmpclean="$(mktemp -d -t makeclean.XXXXXXXXXX)"
-
-main()
-{
-	while getopts b:m:u:c:x: option
-	do
-		_f="${1}"
-		case "${1}" in
-		-b) : ;;
-		-u) mode="oldconfig" ;;
-		-m) mode="menuconfig" ;;
-		-c) mode="distclean" ;;
-		-x) mode="crossgcc-clean" ;;
-		*) err "Invalid option" ;;
-		esac
-		shift; project="${OPTARG}"; shift
-	done
-	[ -z ${_f} ] && err "flag not specified (-m, -u, -b, -c or -x)"
-	[ -z ${project} ] && err "project name not specified"
-
-	if [ ! -f "config/${project}/build.list" ]; then
-		build_projects $@
-	else
-		build_targets $@
-	fi
-}
-
-build_projects()
-{
-	[ $# -gt 0 ] && x_ ./build project trees ${_f} ${@}
-	codedir="${project}"
-
-	[ -d "${codedir}" ] || x_ ./update project repo "${codedir%/*}"
-	[ -d "${codedir}" ] || \
-		err "build_targets: ${codedir%/*} not downloaded"
-
-	if [ "${project}" = "uefitool" ]; then
-	(
-		x_ cd uefitool
-		cmake UEFIExtract/ || [ -f Makefile ] || \
-		    err "build_targets: !cmake UEFIExtract/"
-	)
-	fi
-
-	[ "${mode}" = "distclean" ] && mode="clean"
-	run_make_command || return 0
-}
-
-build_targets()
-{
-	elfdir="elf/${project}"
-
-	cfgsdir="config/${project}"
-	[ -d "${cfgsdir}" ] || err "directory, ${cfgsdir}, does not exist"
-
-	listfile="${cfgsdir}/build.list"
-	[ -f "${listfile}" ] || err "list file, ${listfile}, does not exist"
-
-	# Build for all targets if no argument is given
-	targets=$(listitems "${cfgsdir}") || \
-	    err "Cannot get options for ${cfgsdir}"
-	[ $# -gt 0 ] && targets=$@
-
-	[ -z ${mode} ] && x_ mkdir -p "${elfdir}/"
-
-	handle_targets
-}
-
-handle_targets()
-{
-	for x in ${targets}; do
-		target="${x}"
-		printf "Running 'make %s' for project '%s, target '%s''\n" \
-		    "${mode}" "${project}" "${target}"
-		[ "${project}" != "coreboot" ] || [ ! -z ${mode} ] || \
-			x_ ./update blobs download ${target}
-		x_ handle_defconfig
-	done
-
-	[ -z ${mode} ] || return 0
-	printf "Done! The files are stored under %s/\n\n" "${elfdir}"
-}
-
-handle_defconfig()
-{
-	handle_src_tree "${target}" || return 0
-
-	for y in "${target_dir}/config"/*; do
-		[ -f "${y}" ] || continue
-		config="${y}"
-		config_name="${config#${target_dir}/config/}"
-
-		printf "handle/make/config %s %s: handling config %s\n" \
-		    "${project}" "${target}" "${config_name}"
-
-		[ ! -z ${mode} ] || check_config || continue
-		handle_makefile
-		[ ! -z ${mode} ] || copy_elf
-	done
-}
-
-handle_src_tree()
-{
-	target_dir="${cfgsdir}/${target}"
-	x_ mkdir -p "${elfdir}/${target}"
-
-	eval "$(setvars "" arch tree)"
-	romtype="normal"
-
-	[ -f "${target_dir}/target.cfg" ] || \
-		err "handle_src_tree: ${target_dir}: missing target.cfg"
-
-	# Override the above defaults using target.cfg
-	. "${target_dir}/target.cfg" # source
-
-	[ -z ${tree} ] && \
-		err "handle_src_tree: ${target_dir}: tree undefined"
-	[ -z ${arch} ] && \
-		err "handle_src_tree: ${target_dir}: undefined cpu type"
-
-	codedir="${project}/${tree}"
-	if [ ! -d "${codedir}" ]; then
-		if [ "${mode}" = "distclean" ] || \
-		    [ "${mode}" = "crossgcc-clean" ]; then
-			printf "Directory %s doesn't exist; skipping clean\n" \
-			    "${codedir}" 1>&2
-			return 1
-		fi
-		x_ ./update project trees "${project}" "${target}"
-	elif [ "${mode}" = "distclean" ] || \
-	    [ "${mode}" = "crossgcc-clean" ]; then
-		[ -f "${tmpclean}/${tree}" ] && return 1
-		touch "${tmpclean}/${tree}"
-	fi
-
-	# u-boot and coreboot are both compiled with coreboot's crossgcc
-	if [ "${project}" = "coreboot" ] || [ "${project}" = "u-boot" ]; then
-		[ ! -z ${mode} ] || check_cross_compiler || \
-		    err "handle_src_tree ${project}/${target}: crossgcc"
-		cbfstool="cbutils/${tree}/cbfstool"
-		[ -f "${cbfstool}" ] || x_ ./build coreboot utils "${tree}"
-	fi
-}
-
-# set up cross-compiler (coreboot crossgcc) for u-boot and coreboot
-# (seabios and grub currently use hostcc, not crossgcc)
-check_cross_compiler()
-{
-	[ "${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}" ] || \
-		x_ ./update project trees 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}" ] && \
-		err "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
-		[ -f "${elftest}" ] || continue
-		printf "Build already exists, so skipping build\n" 1>&2
-		return 1
-	done
-	x_ mkdir -p "${dest_dir}"
-}
-
-handle_makefile()
-{
-	x_ make clean -C "${codedir}"
-	x_ cp "${config}" "${codedir}/.config"
-	[ ! -z ${mode} ] || make -C "${codedir}" silentoldconfig || \
-	    make -C "${codedir}" oldconfig || :
-
-	run_make_command || err "handle_makefile ${codedir}: no makefile!"
-
-	if [ -e "${codedir}/.git" ] && [ "${project}" = "u-boot" ] && \
-	    [ "${mode}" = "distclean" ]; then
-		x_ git -C "${codedir}" clean -fdx
-	elif [ "${mode}" = "oldconfig" ] || [ "${mode}" = "menuconfig" ]; then	
-		x_ cp "${codedir}/.config" "${config}"
-	fi
-}
-
-run_make_command()
-{
-	[ -f "${codedir}/Makefile" ] || [ -f "${codedir}/makefile" ] || \
-	    [ -f "${codedir}/GNUmakefile" ] || return 1
-	[ "${project}" = "coreboot" ] && [ -z ${mode} ] && \
-		x_ printf "%s\n" "${version}" >"${codedir}/.coreboot-version"
-
-	x_ make -C "${codedir}" -j$(nproc) ${mode}
-	[ "${mode}" != "clean" ] && return 0
-	make -C "${codedir}" distclean 2>/dev/null || :
-}
-
-copy_elf()
-{
-	[ "${project}" != "coreboot" ] || x_ modify_coreboot_rom
-	while read f; do
-		[ ! -f "${codedir}/$f" ] || \
-			x_ cp "${codedir}/${f}" "${dest_dir}/"
-	done < ${listfile}
-
-	x_ make clean -C "${codedir}"
-}
-
-modify_coreboot_rom()
-{
-	rompath="${codedir}/build/coreboot.rom"
-	[ -f "${rompath}" ] || \
-	    err "modify_coreboot_rom: does not exist: ${rompath}"
-	tmprom="$(mktemp -t rom.XXXXXXXXXX)"
-	x_ rm -f "${tmprom}"
-
-	if [ "${romtype}" = "d8d16sas" ]; then
-		# pike2008 roms hang seabios. an empty rom will override
-		# the built-in one, thus disabling all execution of it
-		x_ touch "${tmprom}"
-		for deviceID in "0072" "3050"; do
-			x_ "${cbfstool}" "${rompath}" add -f "${tmprom}" \
-			    -n "pci1000,${deviceID}.rom" -t raw
-		done
-	elif [ "${romtype}" = "i945 laptop" ]; then
-		# for bucts-based installation method from factory bios
-		x_ dd if="${rompath}" of="${tmprom}" bs=1 \
-		    skip=$(($(stat -c %s "${rompath}") - 0x10000)) \
-		    count=64k
-		x_ dd if="${tmprom}" of="${rompath}" bs=1 \
-		    seek=$(($(stat -c %s "${rompath}") - 0x20000)) \
-		    count=64k conv=notrunc
-	fi
-	x_ rm -f "${tmprom}"
-}
-
-main $@
diff --git a/script/build/release/src b/script/build/release/src
index 36bd68ca..3a966015 100755
--- a/script/build/release/src
+++ b/script/build/release/src
@@ -101,12 +101,12 @@ purge_files()
 	(
 	x_ cd "${srcdir}/"
 	[ ! -d "coreboot/default/util/kbc1126" ] || \
-		x_ ./build project trees -c "coreboot/default/util/kbc1126"
-	x_ ./build project trees -x coreboot
+		x_ ./update project build -c "coreboot/default/util/kbc1126"
+	x_ ./update project build -x coreboot
 	for p in u-boot seabios coreboot; do
-		x_ ./build project trees -c "${p}"
+		x_ ./update project build -c "${p}"
 	done
-	x_ ./build project trees -c bios_extract flashrom grub uefitool \
+	x_ ./update project build -c bios_extract flashrom grub uefitool \
 	    util-fw/stm32-vserprog util-fw/stm32-vserprog/libopencm3 \
 	    memtest86plus/build32 memtest86plus/build64 util/*
 
diff --git a/script/update/blobs/download b/script/update/blobs/download
index 735a5452..256f27cd 100755
--- a/script/update/blobs/download
+++ b/script/update/blobs/download
@@ -47,7 +47,7 @@ build_dependencies()
 		x_ ./update project repo "${d}"
 	done
 	[ -f uefitool/uefiextract ] || \
-		x_ ./build project trees -b uefitool
+		x_ ./update project build -b uefitool
 	[ -f "${cbdir}/util/kbc1126/kbc1126_ec_dump" ] || \
 		x_ make -C "${cbdir}/util/kbc1126"
 	x_ ./build coreboot utils default
diff --git a/script/update/project/build b/script/update/project/build
new file mode 100755
index 00000000..2c6eff97
--- /dev/null
+++ b/script/update/project/build
@@ -0,0 +1,301 @@
+#!/usr/bin/env sh
+# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+# SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
+# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+. "include/err.sh"
+. "include/option.sh"
+
+read projectname < projectname
+read version < version
+
+export LOCALVERSION="-${projectname}-${version}"
+
+eval "$(setvars "" arch cfgsdir codedir config config_name crossgcc_ada mode \
+    elfdir listfile project romtype target target_dir targets tree cbfstool _f)"
+
+tmpclean="$(mktemp -d -t makeclean.XXXXXXXXXX)"
+
+main()
+{
+	while getopts b:m:u:c:x: option
+	do
+		_f="${1}"
+		case "${1}" in
+		-b) : ;;
+		-u) mode="oldconfig" ;;
+		-m) mode="menuconfig" ;;
+		-c) mode="distclean" ;;
+		-x) mode="crossgcc-clean" ;;
+		*) err "Invalid option" ;;
+		esac
+		shift; project="${OPTARG}"; shift
+	done
+	[ -z ${_f} ] && err "flag not specified (-m, -u, -b, -c or -x)"
+	[ -z ${project} ] && err "project name not specified"
+
+	if [ ! -f "config/${project}/build.list" ]; then
+		build_projects $@
+	else
+		build_targets $@
+	fi
+}
+
+build_projects()
+{
+	[ $# -gt 0 ] && x_ ./update project build ${_f} ${@}
+	codedir="${project}"
+
+	[ -d "${codedir}" ] || x_ ./update project repo "${codedir%/*}"
+	[ -d "${codedir}" ] || \
+		err "build_targets: ${codedir%/*} not downloaded"
+
+	if [ "${project}" = "uefitool" ]; then
+	(
+		x_ cd uefitool
+		cmake UEFIExtract/ || [ -f Makefile ] || \
+		    err "build_targets: !cmake UEFIExtract/"
+	)
+	fi
+
+	[ "${mode}" = "distclean" ] && mode="clean"
+	run_make_command || return 0
+}
+
+build_targets()
+{
+	elfdir="elf/${project}"
+
+	cfgsdir="config/${project}"
+	[ -d "${cfgsdir}" ] || err "directory, ${cfgsdir}, does not exist"
+
+	listfile="${cfgsdir}/build.list"
+	[ -f "${listfile}" ] || err "list file, ${listfile}, does not exist"
+
+	# Build for all targets if no argument is given
+	targets=$(listitems "${cfgsdir}") || \
+	    err "Cannot get options for ${cfgsdir}"
+	[ $# -gt 0 ] && targets=$@
+
+	[ -z ${mode} ] && x_ mkdir -p "${elfdir}/"
+
+	handle_targets
+}
+
+handle_targets()
+{
+	for x in ${targets}; do
+		target="${x}"
+		printf "Running 'make %s' for project '%s, target '%s''\n" \
+		    "${mode}" "${project}" "${target}"
+		[ "${project}" != "coreboot" ] || [ ! -z ${mode} ] || \
+			x_ ./update blobs download ${target}
+		x_ handle_defconfig
+	done
+
+	[ -z ${mode} ] || return 0
+	printf "Done! The files are stored under %s/\n\n" "${elfdir}"
+}
+
+handle_defconfig()
+{
+	handle_src_tree "${target}" || return 0
+
+	for y in "${target_dir}/config"/*; do
+		[ -f "${y}" ] || continue
+		config="${y}"
+		config_name="${config#${target_dir}/config/}"
+
+		printf "handle/make/config %s %s: handling config %s\n" \
+		    "${project}" "${target}" "${config_name}"
+
+		[ ! -z ${mode} ] || check_config || continue
+		handle_makefile
+		[ ! -z ${mode} ] || copy_elf
+	done
+}
+
+handle_src_tree()
+{
+	target_dir="${cfgsdir}/${target}"
+	x_ mkdir -p "${elfdir}/${target}"
+
+	eval "$(setvars "" arch tree)"
+	romtype="normal"
+
+	[ -f "${target_dir}/target.cfg" ] || \
+		err "handle_src_tree: ${target_dir}: missing target.cfg"
+
+	# Override the above defaults using target.cfg
+	. "${target_dir}/target.cfg" # source
+
+	[ -z ${tree} ] && \
+		err "handle_src_tree: ${target_dir}: tree undefined"
+	[ -z ${arch} ] && \
+		err "handle_src_tree: ${target_dir}: undefined cpu type"
+
+	codedir="${project}/${tree}"
+	if [ ! -d "${codedir}" ]; then
+		if [ "${mode}" = "distclean" ] || \
+		    [ "${mode}" = "crossgcc-clean" ]; then
+			printf "Directory %s doesn't exist; skipping clean\n" \
+			    "${codedir}" 1>&2
+			return 1
+		fi
+		x_ ./update project trees "${project}" "${target}"
+	elif [ "${mode}" = "distclean" ] || \
+	    [ "${mode}" = "crossgcc-clean" ]; then
+		[ -f "${tmpclean}/${tree}" ] && return 1
+		touch "${tmpclean}/${tree}"
+	fi
+
+	# u-boot and coreboot are both compiled with coreboot's crossgcc
+	if [ "${project}" = "coreboot" ] || [ "${project}" = "u-boot" ]; then
+		[ ! -z ${mode} ] || check_cross_compiler || \
+		    err "handle_src_tree ${project}/${target}: crossgcc"
+		cbfstool="cbutils/${tree}/cbfstool"
+		[ -f "${cbfstool}" ] || x_ ./build coreboot utils "${tree}"
+	fi
+}
+
+# set up cross-compiler (coreboot crossgcc) for u-boot and coreboot
+# (seabios and grub currently use hostcc, not crossgcc)
+check_cross_compiler()
+{
+	[ "${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}" ] || \
+		x_ ./update project trees 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}" ] && \
+		err "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
+		[ -f "${elftest}" ] || continue
+		printf "Build already exists, so skipping build\n" 1>&2
+		return 1
+	done
+	x_ mkdir -p "${dest_dir}"
+}
+
+handle_makefile()
+{
+	x_ make clean -C "${codedir}"
+	x_ cp "${config}" "${codedir}/.config"
+	[ ! -z ${mode} ] || make -C "${codedir}" silentoldconfig || \
+	    make -C "${codedir}" oldconfig || :
+
+	run_make_command || err "handle_makefile ${codedir}: no makefile!"
+
+	if [ -e "${codedir}/.git" ] && [ "${project}" = "u-boot" ] && \
+	    [ "${mode}" = "distclean" ]; then
+		x_ git -C "${codedir}" clean -fdx
+	elif [ "${mode}" = "oldconfig" ] || [ "${mode}" = "menuconfig" ]; then	
+		x_ cp "${codedir}/.config" "${config}"
+	fi
+}
+
+run_make_command()
+{
+	[ -f "${codedir}/Makefile" ] || [ -f "${codedir}/makefile" ] || \
+	    [ -f "${codedir}/GNUmakefile" ] || return 1
+	[ "${project}" = "coreboot" ] && [ -z ${mode} ] && \
+		x_ printf "%s\n" "${version}" >"${codedir}/.coreboot-version"
+
+	x_ make -C "${codedir}" -j$(nproc) ${mode}
+	[ "${mode}" != "clean" ] && return 0
+	make -C "${codedir}" distclean 2>/dev/null || :
+}
+
+copy_elf()
+{
+	[ "${project}" != "coreboot" ] || x_ modify_coreboot_rom
+	while read f; do
+		[ ! -f "${codedir}/$f" ] || \
+			x_ cp "${codedir}/${f}" "${dest_dir}/"
+	done < ${listfile}
+
+	x_ make clean -C "${codedir}"
+}
+
+modify_coreboot_rom()
+{
+	rompath="${codedir}/build/coreboot.rom"
+	[ -f "${rompath}" ] || \
+	    err "modify_coreboot_rom: does not exist: ${rompath}"
+	tmprom="$(mktemp -t rom.XXXXXXXXXX)"
+	x_ rm -f "${tmprom}"
+
+	if [ "${romtype}" = "d8d16sas" ]; then
+		# pike2008 roms hang seabios. an empty rom will override
+		# the built-in one, thus disabling all execution of it
+		x_ touch "${tmprom}"
+		for deviceID in "0072" "3050"; do
+			x_ "${cbfstool}" "${rompath}" add -f "${tmprom}" \
+			    -n "pci1000,${deviceID}.rom" -t raw
+		done
+	elif [ "${romtype}" = "i945 laptop" ]; then
+		# for bucts-based installation method from factory bios
+		x_ dd if="${rompath}" of="${tmprom}" bs=1 \
+		    skip=$(($(stat -c %s "${rompath}") - 0x10000)) \
+		    count=64k
+		x_ dd if="${tmprom}" of="${rompath}" bs=1 \
+		    seek=$(($(stat -c %s "${rompath}") - 0x20000)) \
+		    count=64k conv=notrunc
+	fi
+	x_ rm -f "${tmprom}"
+}
+
+main $@
-- 
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