summaryrefslogtreecommitdiff
path: root/resources/scripts/update
diff options
context:
space:
mode:
Diffstat (limited to 'resources/scripts/update')
-rwxr-xr-xresources/scripts/update/module/bios_extract22
-rwxr-xr-xresources/scripts/update/module/coreboot182
-rwxr-xr-xresources/scripts/update/module/flashrom24
-rwxr-xr-xresources/scripts/update/module/grub32
-rwxr-xr-xresources/scripts/update/module/me_cleaner25
-rwxr-xr-xresources/scripts/update/module/memtest86plus32
-rwxr-xr-xresources/scripts/update/module/mrc188
-rwxr-xr-xresources/scripts/update/module/seabios29
-rwxr-xr-xresources/scripts/update/module/u-boot261
9 files changed, 795 insertions, 0 deletions
diff --git a/resources/scripts/update/module/bios_extract b/resources/scripts/update/module/bios_extract
new file mode 100755
index 00000000..1688aabe
--- /dev/null
+++ b/resources/scripts/update/module/bios_extract
@@ -0,0 +1,22 @@
+#!/usr/bin/env sh
+#
+# Copyright (C) 2023 Leah Rowe <info@minifree.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/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+./gitclone bios_extract
diff --git a/resources/scripts/update/module/coreboot b/resources/scripts/update/module/coreboot
new file mode 100755
index 00000000..75b61a6f
--- /dev/null
+++ b/resources/scripts/update/module/coreboot
@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+
+# helper script: download coreboot
+#
+# Copyright (C) 2014-2016,2020,2021,2023 Leah Rowe <info@minifree.org>
+# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+_board=""
+cbtree=""
+cbrevision=""
+
+cbcfgsdir="resources/coreboot"
+
+main()
+{
+ rm -f ${cbcfgsdir}/*/seen
+
+ printf "Downloading coreboot and (if available) applying patches\n"
+
+ boards=""
+ if [ $# -gt 0 ]; then
+ boards=$@
+ else
+ for board in "${cbcfgsdir}/"*; do
+ [ ! -d "${board}" ] && continue
+ boards="${boards} ${board##*/}"
+ done
+ fi
+ for board in ${boards}; do
+ rm -f "${cbcfgsdir}"/*/seen
+ download_coreboot_for_board "${board}"
+ done
+
+ rm -f ${cbcfgsdir}/*/seen
+}
+
+download_coreboot_for_board()
+{
+ _board="${1}"
+ cbtree="undefined"
+ cbrevision="undefined"
+
+ fetch_coreboot_config "${_board}" || exit 1
+
+ rm -f "${cbcfgsdir}"/*/seen
+
+ if [ -d "coreboot/${cbtree}" ]; then
+ printf "REMARK: download/coreboot %s: exists. Skipping.\n" \
+ ${cbtree}
+ [ "${cbtree}" != "${1}" ] && \
+ printf "(for board: '%s}')\n" ${1}
+ return 0
+ fi
+
+ gitclone_coreboot_from_upstream || exit 1
+
+ prepare_new_coreboot_tree "${1}" "${cbtree}" "${cbrevision}" \
+ || exit 1
+}
+
+fetch_coreboot_config()
+{
+ _board=${1}
+
+ while true; do
+ cbrevision="undefined"
+ cbtree="undefined"
+
+ check_config_for_board "${_board}" || return 1
+
+ # This is to override $cbrevision and $cbtree
+ source "${cbcfgsdir}/${_board}/board.cfg" || exit 1
+
+ if [ "${_board}" != "${cbtree}" ]; then
+ _board="${cbtree}"
+ continue
+ elif [ "${cbtree}" = "undefined" ]; then
+ printf "ERROR: download/coreboot:"
+ printf " tree name undefined for '%s\n'" \
+ ${_board}
+ return 1
+ elif [ "${cbrevision}" = "undefined" ]; then
+ printf "ERROR: download/coreboot:"
+ printf " commit ID undefined for '%s'\n" \
+ ${_board}
+ return 1
+ else
+ break
+ fi
+ done
+}
+
+check_config_for_board()
+{
+ _board=${1}
+
+ if [ ! -f "${cbcfgsdir}/${_board}/board.cfg" ]; then
+ printf "ERROR: download/coreboot: board.cfg does not"
+ printf " exist for '%s'\n" ${_board}
+ return 1
+ elif [ -f "${cbcfgsdir}/${_board}/seen" ]; then
+ printf "ERROR: download/coreboot: logical loop:"
+ printf " '%s' board.cfg refers to another tree," ${_board}
+ printf " which ultimately refers back to '%s'." ${_board}
+ return 1
+ fi
+ touch "${cbcfgsdir}/${_board}/seen"
+}
+
+gitclone_coreboot_from_upstream()
+{
+ [ ! -d coreboot ] && \
+ mkdir -p coreboot
+ [ ! -d coreboot ] && \
+ return 1
+ [ -d coreboot/coreboot ] && \
+ return 0
+ ./gitclone coreboot || \
+ return 1
+}
+
+prepare_new_coreboot_tree()
+{
+ target=${1}
+ cbtree=${2}
+ cbrevision=${3}
+
+ printf "Preparing coreboot tree: %s\n" ${cbtree}
+ [ "${cbtree}" != "${target}" ] && \
+ printf "(for board: %s)\n" "${target}"
+
+ cp -R coreboot/coreboot "coreboot/${cbtree}" || exit 1
+ (
+ cd "coreboot/${cbtree}" \
+ || err "cannot cd to coreboot/${cbtree}"
+ git reset --hard ${cbrevision} \
+ || err "cannot reset coreboot revision for tree, ${cbtree}"
+ git submodule update --init --checkout \
+ || err "cannot update coreboot submodules for tree, ${cbtree}"
+
+ for patch in ../../"${cbcfgsdir}"/"${cbtree}"/patches/*.patch; do
+ [ ! -f "${patch}" ] && \
+ continue
+ if ! git am "${patch}"; then
+ git am --abort
+ err "cannot patch ${cbtree}"
+ fi
+ done
+
+ # extra.sh can be used for anything
+ # but should *only* be a last resort
+ if [ -f "../../${cbcfgsdir}/${cbtree}/extra.sh" ]; then
+ "../../${cbcfgsdir}/${cbtree}/extra.sh" || \
+ err "${cbtree} extra.sh"
+ fi
+ )
+}
+
+err()
+{
+ printf "ERROR: %s: %s\n" $0 $1 1>&2
+ exit 1
+}
+
+main $@
diff --git a/resources/scripts/update/module/flashrom b/resources/scripts/update/module/flashrom
new file mode 100755
index 00000000..6aa3cab4
--- /dev/null
+++ b/resources/scripts/update/module/flashrom
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+# helper script: downloads flashrom and patches it
+#
+# Copyright (C) 2014, 2015, 2020, 2021 Leah Rowe <info@minifree.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+./gitclone flashrom
diff --git a/resources/scripts/update/module/grub b/resources/scripts/update/module/grub
new file mode 100755
index 00000000..0620a775
--- /dev/null
+++ b/resources/scripts/update/module/grub
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# helper script: Downloads GRUB and patches it.
+#
+# Copyright (C) 2014,2015,2016,2020,2021,2023 Leah Rowe
+# <info@minifree.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/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+./gitclone grub
+./gitclone gnulib || rm -Rf grub/
+if [ ! -d grub ]; then
+ printf "%s: Could not download grub and gnulib\n" ${0}
+ exit 1
+else
+ exit 0
+fi
diff --git a/resources/scripts/update/module/me_cleaner b/resources/scripts/update/module/me_cleaner
new file mode 100755
index 00000000..7dd52be7
--- /dev/null
+++ b/resources/scripts/update/module/me_cleaner
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2020 Leah Rowe <info@minifree.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# This script assumes that the working directory is the
+# root of retroboot_src or retroboot git.
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+./gitclone me_cleaner
diff --git a/resources/scripts/update/module/memtest86plus b/resources/scripts/update/module/memtest86plus
new file mode 100755
index 00000000..bceadbd9
--- /dev/null
+++ b/resources/scripts/update/module/memtest86plus
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# helper script: Downloads MemTest86+ and patches it
+#
+# Copyright (C) 2014, 2015, 2020, 2021 Leah Rowe <info@minifree.org>
+# Copyright (C) 2015 Joseph Michael Thompson <jmt@josepht.me>
+# Copyright (C) 2015 Klemens Nanni <contact@autoboot.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/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+# Get the last version of MemTest86+ used, apply patches, build it.
+
+# Remove the old version that may exist
+# ------------------------------------------------------------------------------
+
+printf "Downloading MemTest86+\n"
+./gitclone memtest86plus
diff --git a/resources/scripts/update/module/mrc b/resources/scripts/update/module/mrc
new file mode 100755
index 00000000..ed0b38f3
--- /dev/null
+++ b/resources/scripts/update/module/mrc
@@ -0,0 +1,188 @@
+#!/usr/bin/env sh
+
+# Download Intel MRC images
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+export PATH="${PATH}:/sbin"
+
+# This file is forked from util/chromeos/crosfirmware.sh in coreboot cfc26ce278
+# Changes to it in *this version* are copyright 2021 and 2023 Leah Rowe, under
+# the same license as above.
+
+# use updated manifest from wayback machine, when updating mrc.bin,
+# and update the other variables below accordingly. current manifest used:
+# https://web.archive.org/web/20210211071412/https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf
+
+# the wayback machine is used so that we get the same manifest. google
+# does not seem to version the manifest, but archives are available
+
+# variables taken from that manifest:
+
+_board="peppy"
+_file="chromeos_12239.92.0_peppy_recovery_stable-channel_mp-v3.bin"
+_url="https://dl.google.com/dl/edgedl/chromeos/recovery/chromeos_12239.92.0_peppy_recovery_stable-channel_mp-v3.bin.zip"
+_url2="https://web.archive.org/web/20200516070928/https://dl.google.com/dl/edgedl/chromeos/recovery/chromeos_12239.92.0_peppy_recovery_stable-channel_mp-v3.bin.zip"
+_sha1sum="cd5917cbe7f821ad769bf0fd87046898f9e175c8"
+_mrc_complete_hash="d18de1e3d52c0815b82ea406ca07897c56c65696"
+_mrc_complete="mrc/haswell/mrc.bin"
+
+cbdir="coreboot/default"
+cbfstool="${cbdir}/util/cbfstool/cbfstool"
+
+sname=""
+
+main()
+{
+ sname=${0}
+ printf "Downloading Intel MRC blobs\n"
+
+ check_existing && exit 0
+ build_dependencies || fail "could not build dependencies"
+ fetch_mrc || fail "could not fetch mrc.bin"
+}
+
+check_existing()
+{
+ if [ ! -f ${_mrc_complete} ]; then
+ return 1
+ fi
+ printf 'found existing mrc.bin, checking its hash\n'
+ if [ "$(sha1sum ${_mrc_complete} | awk '{print $1}')" \
+ = "${_mrc_complete_hash}" ]; then
+ printf 'checksums matched, skipping downloading\n'
+ return 0
+ else
+ printf 'hashes did not match, starting over\n'
+ return 1
+ fi
+}
+
+build_dependencies()
+{
+ if [ ! -d "${cbdir}/" ]; then
+ ./download coreboot default || return 1
+ fi
+ if [ ! -f "${cbfstool}" ]; then
+ ./build module cbutils default || return 1
+ fi
+ return 0
+}
+
+fetch_mrc()
+{
+ mkdir -p mrc/haswell/ || return 1
+
+ (
+ cd mrc/haswell/
+
+ download_image ${_url} ${_file} ${_sha1sum}
+ if [ ! -f ${_file} ]; then
+ download_image ${_url2} ${_file} ${_sha1sum}
+ fi
+ if [ ! -f $_file ]; then
+ fail "%{_file} not downloaded / verification failed."
+ fi
+
+ extract_partition ROOT-A ${_file} root-a.ext2
+ extract_shellball root-a.ext2 chromeos-firmwareupdate-${_board}
+
+ extract_coreboot chromeos-firmwareupdate-${_board}
+
+ ../../${cbfstool} coreboot-*.bin extract -f mrc.bin \
+ -n mrc.bin -r RO_SECTION \
+ || fail "Could not fetch mrc.bin"
+ rm -f "chromeos-firmwareupdate-${_board}" coreboot-*.bin \
+ "${_file}" "root-a.ext2"
+
+ printf "\n\nmrc.bin saved to ${_mrc_complete}\n\n"
+ )
+
+ return 0
+}
+
+download_image()
+{
+ url=${1}
+ _file=${2}
+ _sha1sum=${3}
+
+ echo "Downloading recovery image"
+ curl "$url" > "$_file.zip"
+ if [ "$(sha1sum ${_file}.zip | awk '{print $1}')" = "${_sha1sum}" ]
+ then
+ unzip -q "${_file}.zip"
+ rm "${_file}.zip"
+ echo "Checksum verification passed for recovery image."
+ return 0
+ else
+ rm "${_file}.zip"
+ echo "Bad checksum. Recovery image deleted."
+ return 1
+ fi
+}
+
+extract_partition()
+{
+ NAME=${1}
+ FILE=${2}
+ ROOTFS=${3}
+ _bs=1024
+
+ echo "Extracting ROOT-A partition"
+ ROOTP=$( printf "unit\nB\nprint\nquit\n" | \
+ parted ${FILE} 2>/dev/null | grep ${NAME} )
+
+ START=$(( $( echo ${ROOTP} | cut -f2 -d\ | tr -d "B" ) ))
+ SIZE=$(( $( echo ${ROOTP} | cut -f4 -d\ | tr -d "B" ) ))
+
+ dd if=${FILE} of=${ROOTFS} bs=${_bs} skip=$(( ${START} / ${_bs} )) \
+ count=$(( ${SIZE} / ${_bs} )) > /dev/null
+}
+
+extract_shellball()
+{
+ ROOTFS=${1}
+ SHELLBALL=${2}
+
+ echo "Extracting chromeos-firmwareupdate"
+ printf "cd /usr/sbin\ndump chromeos-firmwareupdate ${SHELLBALL}\nquit" \
+ | debugfs ${ROOTFS} > /dev/null 2>&1
+}
+
+extract_coreboot()
+{
+ _shellball=${1}
+ _unpacked=$( mktemp -d )
+
+ echo "Extracting coreboot image"
+ sh ${_shellball} --unpack ${_unpacked} > /dev/null
+
+ _version=$( cat ${_unpacked}/VERSION | grep BIOS\ version: | \
+ cut -f2 -d: | tr -d \ )
+
+ cp ${_unpacked}/bios.bin coreboot-${_version}.bin
+ rm -r "${_unpacked}"
+}
+
+fail()
+{
+ printf "%s: ERROR: %s\n"
+ ${sname} ${1}
+ exit 1
+}
+
+main $@
diff --git a/resources/scripts/update/module/seabios b/resources/scripts/update/module/seabios
new file mode 100755
index 00000000..fd72de65
--- /dev/null
+++ b/resources/scripts/update/module/seabios
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2015, 2016, 2021 Leah Rowe <info@minifree.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+# Get SeaBIOS, revert to commit last used and apply patches.
+
+# Remove the old version that may still exist
+# ------------------------------------------------------------------------------
+
+printf "Downloading SeaBIOS\n"
+
+./gitclone seabios
diff --git a/resources/scripts/update/module/u-boot b/resources/scripts/update/module/u-boot
new file mode 100755
index 00000000..1af513a4
--- /dev/null
+++ b/resources/scripts/update/module/u-boot
@@ -0,0 +1,261 @@
+#!/usr/bin/env bash
+
+# helper script: download u-boot
+#
+# Copyright (C) 2021 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
+# Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+#
+# 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/>.
+#
+
+[ "x${DEBUG+set}" = 'xset' ] && set -v
+set -u -e
+
+[[ -f build_error ]] && rm -f build_error
+
+list_supported_boards() {
+ for board in resources/u-boot/*; do
+ if [ -d ${board} ]; then
+ echo "${board#resources/u-boot/}"
+ fi
+ done
+}
+
+downloadfor() {
+ board="${1}"
+
+ # The loop will always exit, but this while loop is crafted
+ # such that a tree referencing a tree that references another tree is possible
+ # (and so on)
+ while true; do
+ ubrevision="undefined"
+ ubtree="undefined"
+
+ if [ ! -f "resources/u-boot/${board}/board.cfg" ]; then
+ printf "ERROR: %s: board.cfg does not exist for '%s'\n" \
+ "download/u-boot" "${board}"
+ return 1
+ fi
+
+ if [ -f "resources/u-boot/${board}/seen" ]; then
+ printf "ERROR: %s: logical loop; '%s' board.cfg refers to another tree, which ultimately refers back to '%s'.\n" \
+ "download/u-boot" "${board}" "${board}"
+ return 1
+ fi
+
+ # This is to override $ubrevision and $ubtree
+ source "resources/u-boot/${board}/board.cfg" || touch build_error
+ if [ -f build_error ]; then
+ printf "ERROR: %s: problem sourcing %s/board.cfg\n" \
+ "download/u-boot" "${board}"
+ return 1
+ fi
+ touch "resources/u-boot/${board}/seen"
+
+ if [ "${board}" != "${ubtree}" ]; then
+ board="${ubtree}"
+ else
+ if [ "${ubtree}" = "undefined" ]; then
+ printf "ERROR: %s: tree name undefined for '%s\n'" \
+ "download/u-boot" "${board}"
+ return 1
+ fi
+
+ if [ "${ubrevision}" = "undefined" ]; then
+ printf "ERROR: %s: commit ID undefined for '%s'\n" \
+ "download/u-boot" "${board}"
+ return 1
+ fi
+ break
+ fi
+ done
+
+ rm -f resources/u-boot/*/seen
+
+ ubtree="u-boot/${ubtree}"
+ if [ -d "${ubtree}" ]; then
+ printf \
+ "REMARK: '%s' directory already exists. Skipping setup.\n" \
+ "${ubtree}"
+ if [ "${ubtree}" != "u-boot/${board}" ]; then
+ printf "(for board: '${board}')\n"
+ fi
+ return 0
+ fi
+
+ if [ ! -d "u-boot" ]; then
+ mkdir -p "u-boot"
+ fi
+
+ if [ ! -d "u-boot" ]; then
+ printf \
+ "ERROR: '%s' directory not created. Check file system permissions\n" \
+ "u-boot"
+ return 1
+ fi
+
+ uboot_dir="u-boot/u-boot"
+ if [ ! -d "${uboot_dir}/.git" ] && [ -d "${uboot_dir}" ]; then
+ rm -Rf "${uboot_dir}"
+ fi
+
+ if [ ! -d "${uboot_dir}" ]; then
+ printf "Download u-boot from upstream:\n"
+ git clone https://source.denx.de/u-boot/u-boot.git \
+ "${uboot_dir}" || \
+ rm -Rf "${uboot_dir}"
+ if [ ! -d "${uboot_dir}" ]; then
+ printf "WARNING: Upstream failed. Trying backup github repository:\n"
+ git clone https://github.com/u-boot/u-boot.git \
+ "${uboot_dir}" || \
+ rm -Rf coreboot
+ fi
+ if [ ! -d "${uboot_dir}" ]; then
+ printf \
+ "ERROR: %s: Problem with git-clone. Network issue?\n" \
+ "download/u-boot"
+ return 1
+ fi
+ fi
+
+ git -C "${uboot_dir}" fetch origin "${ubrevision}" || touch build_error
+ if [ -f build_error ]; then
+ printf \
+ "ERROR: %s: Problem with git-fetch. Network issue?\n" \
+ "download/u-boot"
+ return 1
+ fi
+
+ cp -R "${uboot_dir}" "${ubtree}" || touch build_error
+ if [ -f build_error ]; then
+ printf "ERROR: %s: Unable to copy directory. Check file system permissions or free space.\n" \
+ "download/u-boot"
+ rm -Rf "${ubtree}/"
+ return 1
+ fi
+
+ git -C "${ubtree}" reset --hard ${ubrevision} || \
+ touch build_error
+ if [ -f build_error ]; then
+ printf \
+ "ERROR: %s: Unable to reset to commit ID/tag '%s' for board '%s' on tree '%s'\n" \
+ "download/u-boot" "${ubrevision}" "${board}" "${ubtree}"
+ return 1
+ fi
+
+ git -C "${ubtree}" submodule update --init || touch build_error
+ if [ -f build_error ]; then
+ printf "ERROR: %s: Unable to update submodules for tree '%s'\n" \
+ "${ubtree}"
+ return 1
+ fi
+
+ for patch in resources/u-boot/${board}/patches/*.patch; do
+ if [ ! -f "${patch}" ]; then
+ continue
+ fi
+
+ git -C "${ubtree}" am "$(pwd)/${patch}" || touch build_error
+ if [ -f build_error ]; then
+ printf "ERROR: %s: Unable to apply patch '%s' for board '%s' on tree '%s'" \
+ "download/u-boot" "${patch}" "${board}" "${ubtree}"
+ git -C "${ubtree}" am --abort
+ return 1
+ fi
+ done
+
+ # extra.sh could be used to patch submodules, if you wanted to
+ # It's impossible to predict what submodules will be available, and
+ # it's rare that you'd want to patch them, so this is handled by
+ # extra.sh on a per-board basis
+ # In fact, extra.sh can be used for anything you want.
+ if [ -f "resources/u-boot/${board}/extra.sh" ]; then
+ ( cd "${ubtree}" && "../../resources/u-boot/${board}/extra.sh"; ) || touch build_error
+ if [ -f build_error ]; then
+ return 1
+ fi
+ return 0
+ else
+ return 0
+ fi
+}
+
+strip_comments()
+{
+ file="$1"
+ # Remove comments
+ sed 's/#.*//' "${file}" | \
+ # Remove lines composed of whitespaces only
+ sed '/^\W\+$/d' | \
+ # Remove empty lines
+ sed '/^$/d'
+}
+
+usage()
+{
+ progname="./download u-boot"
+
+ printf "Usage:\n"
+ printf "\t%s # %s\n" \
+ "${progname}" \
+ "Download u-boot for all boards"
+ printf "\t%s [board] # %s\n" \
+ "${progname}" \
+ "Download u-boot for the given board"
+ printf "\t%s --list-boards # %s\n" \
+ "${progname}" \
+ "List supported boards"
+ printf "\t%s --help # %s\n" \
+ "${progname}" \
+ "Prints this help"
+}
+
+download_uboot_board()
+{
+ board="${1}"
+ ubtree="u-boot/${board}"
+
+ printf "Downloading u-boot "
+ printf "and (if exist in build system) applying patches\n"
+ downloadfor "${board}"
+
+ rm -f "build_error"
+ printf "\n\n"
+}
+
+if [ $# -eq 0 ] ; then
+ for board in $(list_supported_boards); do
+ download_uboot_board "${board}"
+ done
+ exit 0
+elif [ $# -eq 1 -a "$1" == "--help" ] ; then
+ usage
+ exit 0
+elif [ $# -eq 1 -a "$1" == "--list-boards" ] ; then
+ list_supported_boards
+ exit 0
+elif [ $# -eq 1 ] ; then
+ for board in $(list_supported_boards) ; do
+ if [ "$board" = "$1" ] ; then
+ download_uboot_board "$1"
+ exit 0
+ fi
+ done
+
+ printf "Error: Board '${1}' is not supported\n"
+
+ exit 1
+fi
+
+exit 0