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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-$(git describe --tags HEAD)"
fi
# sanity check (check for invalid paths in the reused.list patch lists before proceeding)
for payloads in resources/libreboot/config/*; do
if [ ! -d "${payloads}/" ]; then
continue
fi
payload="${payloads##*/}"
for boardconfig in resources/libreboot/config/${payload}/*; do
if [ ! -d "${boardconfig}/" ]; then
continue
fi
boardname="${boardconfig##*/}"
cbrevision=$(cat "${boardconfig}/cbrevision")
vbootrevision=$(cat "${boardconfig}/vbootrevision")
reused_coreboot_patches="resources/libreboot/patch/coreboot/${cbrevision}/${payload}/${boardname}/reused.list"
reused_vboot_patches="resources/libreboot/patch/vboot/${vbootrevision}/${payload}/${boardname}/reused.list"
for reused_patches in "${reused_coreboot_patches}" "${reused_vboot_patches}"; do
if [ -f "${reused_patches}" ]; then
for patch in $(cat "${reused_patches}"); do
if [ ! -f "./${patch}" ]; then
printf "%s listed in %s does not exist\n" "${patch}" "${reused_patches}"
exit 1
fi
done
fi
done
done
done
# in ascending filename order, apply patches from a directory
apply_patches_from_directory() {
patch_directory="${1}" # directory containing the patch files
if [ -d "${patch_directory}" ]; then
for patch in ${patch_directory}/*.patch; do
if [ "${patch##*/}" = "*.patch" ]; then # oh so ugly
continue # ugly ugly ugly ugly ugly
fi # most hideous thing you've ever seen
git am "${patch}" || return 1
done
fi
}
# files listed in the file (if found) are absolute paths, relative to the root of the libreboot src directory
# the file lists patches patches that should be applied
apply_patches_from_file() {
patch_list="${1}" # file listing the paths to all the patches
libreboot_src_root="${2}" # path to the root of the libreboot_src directory
if [ -f "${patch_list}" ]; then
for patchname in $(cat "${patch_list}"); do
git am "${libreboot_src_root}/${patchname}" || return 1
done
fi
}
make_coreboot_src_directory() {
payload="${1}"
boardname="${2}"
firmwarepath="${3}" # libreboot_src/coreboot/
(
cd "${firmwarepath}/"
# copy coreboot directory there
rm -Rf "${payload:?}/${boardname:?}/"
if [ ! -d "${payload}/" ]; then
mkdir -p "${payload}/"
fi
cp -R "coreboot/" "${payload}/${boardname}/"
)
}
reset_at_revision() {
revision="${1}"
git reset --hard ${revision}
}
printf "Downloading coreboot, patching coreboot and deblobbing coreboot\n"
# This grabs current base used, and applies patches
# This is also used to run the deblob scripts.
# Remove the old version that may exist
# ------------------------------------------------------------------------------
rm -Rf "coreboot/"
mkdir "coreboot/"
cd "coreboot/"
# Get latest coreboot:
# ------------------------------------------------------------------------------
# download it using git
git clone https://review.coreboot.org/coreboot
# there are modifications required
cd "coreboot/"
# Reset to a common revision#
# other revisions used will be on this one, or before it
# This common revision is used for the crossgcc compilation
git reset --hard 4351ace145c4069f9c93ca7541d6dfaf8300b53b
# Define a common version (based on the libreboot version)
# Most likely redundant, because the build system needs to update
# this every time when building a ROM image anyway
printf '%s\n' "${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
boardname="${boardconfig##*/}"
cbrevision=$(cat "${boardconfig}/cbrevision")
vbootrevision=$(cat "${boardconfig}/vbootrevision")
make_coreboot_src_directory ${payload} ${boardname} ..
# patch that version
(
cd "../${payload}/${boardname}/"
reset_at_revision ${cbrevision}
# apply patches (coreboot, common to all systems using this revision)
apply_patches_from_directory "../../../resources/libreboot/patch/common/coreboot/${cbrevision}"
# apply patches re-used from other boards, before applying main patches (common patches for similar boards)
apply_patches_from_file "../../../resources/libreboot/patch/coreboot/${cbrevision}/${payload}/${boardname}/reused.list" ../../..
# apply patches (coreboot, machine-specific for this revision)
apply_patches_from_directory "../../../resources/libreboot/patch/coreboot/${cbrevision}/${payload}/${boardname}"
cd "3rdparty/vboot/"
# reset to known revision (vboot)
reset_at_revision ${vbootrevision}
# apply patches (vboot, common to all systems using this revision)
apply_patches_from_directory "../../../../../resources/libreboot/patch/common/vboot/${vbootrevision}"
# apply patches re-used from other boards, before applying main patches (common patches for similar boards)
apply_patches_from_file "../../../../../resources/libreboot/patch/vboot/${vbootrevision}/${payload}/${boardname}/reused.list" ../../../../..
# apply patches (vboot, machine-specific for this revision)
apply_patches_from_directory "../../../../../resources/libreboot/patch/vboot/${vbootrevision}/${payload}/${boardname}"
)
done
done
# prepare directories for crossgcc
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
boardname="${boardconfig##*/}"
cbrevision=$(cat "${boardconfig}/cbrevision")
vbootrevision=$(cat "${boardconfig}/vbootrevision")
# Create coreboot directory for compiling crossgcc
if [ ! -d "../crossgcc/${cbrevision}" ]; then
make_coreboot_src_directory crossgcc ${cbrevision} ..
(
cd "../crossgcc/${cbrevision}/"
# reset to known revision (coreboot)
reset_at_revision ${cbrevision}
# no way to know which vboot revision is used here, so delete 3rdparty
rm -Rf "3rdparty/"
)
fi
done
done
# go back to _src/coreboot/ (containing all coreboot directories)
cd "../"
# delete the gitted one (not needed anymore)
rm -Rf "coreboot/"
# Run coreboot-libre deblob scripts
# ------------------------------------------------------------------------------
printf "Deleting .git* in coreboot/ (history inside .git contains the blobs that were deleted)\n"
rm -Rf */*/.git*
rm -Rf */*/3rdparty/*/.git*
# Delete crossgcc from non-crossgcc coreboot archives
# (the build system will create symlinks later when building the ROM images)
for payload in *; do
if [ "${payload##*/}" != "crossgcc" ]; then
rm -Rf ${payload:?}/*/util/crossgcc/
fi
done
cd "../"
printf "Deblobbing coreboot\n"
./resources/utilities/coreboot-libre/deblob
printf "\n\n"
|
