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#!/bin/bash
# helper script: downloads coreboot and patches/deblobs it
#
# Copyright (C) 2014, 2015, 2016 Francis Rowe <info@gluglug.org.uk>
# Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
#
# 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 libreboot_src or libreboot git.
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
if [ -f "version" ]; then
# _src release archive is being used
version="libreboot-$(cat version)"
else
# git repo is being used
version="libreboot-$(git describe --tags HEAD)"
fi
make_coreboot_src_directory() {
payload="${1}"
cbrevision="${2}"
vbootrevision="${3}"
firmwarepath="${4}" # libreboot_src/coreboot/
(
cd "${firmwarepath}/"
# copy coreboot directory there
rm -Rf "${payload:?}/${cbrevision:?}/"
if [ ! -d "${payload}/" ]; then
mkdir -p "${payload}/"
fi
cp -R "coreboot/" "${payload}/${cbrevision}/"
# We need to reset that revision of coreboot to the specified revision
cd "${payload}/${cbrevision}/"
git reset --hard ${cbrevision}
if [ "${vbootrevision}" != "no_vboot_revision" ]; then
# reset vboot revision. in practise, we always use the same
# vboot revision on all boards that use a given coreboot revision
cd "3rdparty/vboot/"
git reset --hard ${vbootrevision}
fi
)
}
printf "Downloading coreboot, patching coreboot and deblobbing coreboot\n"
# This grabs current base used, and applies patches
# This is also used to run the deblob scripts.
# Remove the old version that may exist
# ------------------------------------------------------------------------------
rm -Rf "coreboot/"
mkdir "coreboot/"
cd "coreboot/"
# Get latest coreboot:
# ------------------------------------------------------------------------------
# download it using git
git clone https://review.coreboot.org/coreboot || git clone https://github.com/coreboot/coreboot.git
# there are modifications required
cd "coreboot/"
# Define a common version (based on the libreboot version)
# Most likely redundant, because the build system needs to update
# this every time when building a ROM image anyway
printf '%s\n' "${version}" >".coreboot-version"
# vboot submodule is needed
# ------------------------------------------------------------------------------
git submodule update --init --checkout -- 3rdparty/vboot/
# Create branches, with patches in each branch
# Create separate coreboot source directories *for each board*
# ------------------------------------------------------------------------------
for payloads in ../../resources/libreboot/config/*; do
if [ ! -d "${payloads}/" ]; then
continue
fi
payload="${payloads##*/}"
for boardconfig in ../../resources/libreboot/config/${payload}/*; do
if [ ! -d "${boardconfig}/" ]; then
continue
fi
cbrevision=$(cat "${boardconfig}/cbrevision")
vbootrevision=$(cat "${boardconfig}/vbootrevision")
# the same vboot revision is always used for coreboot revision,
# so we don't need to wworry about checking for that here
if [ -d "../${cbrevision}/${cbrevision}" ]; then
continue
# the directory already exists, no need to recreate it
fi
make_coreboot_src_directory ${cbrevision} ${cbrevision} ${vbootrevision} ..
done
done
# go back to _src/coreboot/ (containing all coreboot directories)
cd "../"
# delete the gitted one (not needed anymore)
rm -Rf "coreboot/"
# Run coreboot-libre deblob scripts
# ------------------------------------------------------------------------------
printf "Deleting .git* in coreboot/ (history inside .git contains the blobs that were deleted)\n"
rm -Rf */*/.git*
rm -Rf */*/3rdparty/*/.git*
# Delete crossgcc from non-crossgcc coreboot archives
# (the build system will create symlinks later when building the ROM images)
for payload in *; do
if [ "${payload##*/}" != "crossgcc" ]; then
rm -Rf ${payload:?}/*/util/crossgcc/
fi
done
cd "../"
printf "Deblobbing coreboot\n"
./resources/utilities/coreboot-libre/deblob
printf "\n\n"
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