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#!/bin/bash
# getcb script: downloads coreboot and patches/deblobs it
#
# Copyright (C) 2014 Francis Rowe <info@gluglug.org.uk>
#
# 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 grabs current base used, and applies patches
# This is also used to run deblob scripts.
# (the idea is that this script will reproduce the coreboot directory included with this version of libreboot)
# You need the dependencies from ./builddeb or ./buildpac to use this script.
# Remove the old version that may exist
# ----------------------------------------------------------------------------------
echo "DOWNLOADING AND PATCHING COREBOOT"
rm -rf coreboot
# Get latest coreboot:
# ----------------------------------------------------------------------------------
# download it using git
git clone http://review.coreboot.org/coreboot
# there are modifications required
cd coreboot
# reset to previously tested revision
git reset --hard 9310df8d0351842e7bb9efe3cabc0ff82ec99c53
# Get patches from review.coreboot.org
# ----------------------------------------------------------------------------------
# Text mode patch for X60 native graphics (main patch already merged in coreboot. See 6723 on coreboot gerrit)
git fetch http://review.coreboot.org/coreboot refs/changes/25/6725/3 && git cherry-pick FETCH_HEAD
## lenovo/x60: Enable legacy brightness controls (native graphics)
## NOT NEEDED. SEE ACPI BRIGHTNESS PATCH BELOW
# git fetch http://review.coreboot.org/coreboot refs/changes/48/7048/4 && git cherry-pick FETCH_HEAD
# Enable T60 native graphics
git fetch http://review.coreboot.org/coreboot refs/changes/45/5345/9 && git cherry-pick FETCH_HEAD
# Enable text-mode graphics for T60
git fetch http://review.coreboot.org/coreboot refs/changes/50/7050/2 && git cherry-pick FETCH_HEAD
## lenovo/t60: Enable legacy brightness controls (native graphics)
## NOT NEEDED. SEE ACPI BRIGHTNESS PATCH BELOW
# git fetch http://review.coreboot.org/coreboot refs/changes/51/7051/1 && git cherry-pick FETCH_HEAD
# ACPI brightness for i945 targets (x60/t60/x60t/x60s/macbook21):
git fetch http://review.coreboot.org/coreboot refs/changes/31/6731/7 && git cherry-pick FETCH_HEAD
# Fix uneven backlight levels:
git fetch http://review.coreboot.org/coreboot refs/changes/49/7049/1 && git cherry-pick FETCH_HEAD
## note that the 2 changes above are abandoned. Libreboot might have to revert to legacy brightness later on (see above)
## 6731 and and 7049 are still used for now, since they work in GNU/Linux. The author of 6731 abandoned it
## because of incompatibility with Windows, but obviously libreboot doesn't care about that.
# Apply necessary patches (from resources/libreboot/patch/)
# ---------------------------------------------------------------------------------
# T60: fix compilation when using 6731 from review.coreboot.org
git apply ../resources/libreboot/patch/t60_6731buildfix.diff
## 6731 is abandoned and there's no point putting this in coreboot gerrit.
## there is no harm in it being a diff
# Run coreboot-libre deblob scripts
# ---------------------------------------------------------------------------------
# Deblobbing was done manually for this pre-release (will re-tool linux-libre deblob scripts later):
cd ../
echo "deblobbing coreboot"
./DEBLOB
# The git history (git diff command) shows what blobs were deleted (including the blobs themselves) which is a freedom issue. Just delete .git altogether:
cd coreboot
rm -rf .git
rm -rf .gitreview
rm -rf .gitmodules
rm -rf .gitignore
cd ../
echo "finished deblobbing coreboot"
# we're done
echo "FINISHED DOWNLOADING AND PATCHING COREBOOT"
# ------------------- DONE ----------------------
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