#!/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 "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 [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 if [ "${deletegit}" = "true" ]; then rm -rf u-boot/u-boot/ u-boot/.git* fi 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 "$1" exit 0 fi done if [ "${deletegit}" = "true" ]; then rm -rf u-boot/u-boot/ u-boot/.git* fi printf "Error: Board '${1}' is not supported\n" exit 1 fi exit 0