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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 23aad4a83c3390dc39f7d1c1f5422f7ac54a80f3
# 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/25/6725/1 && git cherry-pick FETCH_HEAD
## Backlight controls on i945 (X60/T60/macbook21)
# git fetch http://review.coreboot.org/coreboot refs/changes/31/6731/7 && git cherry-pick FETCH_HEAD
# ^ the above is not needed, because 7049 (see below) uses it
# ACPI brighness fix: fix uneven backlight on i945 targets:
git fetch http://review.coreboot.org/coreboot refs/changes/49/7049/1 && git cherry-pick FETCH_HEAD
# Enable T60 native graphics
git fetch http://review.coreboot.org/coreboot refs/changes/45/5345/7 && git cherry-pick FETCH_HEAD
# Apply necessary patches (from resources/libreboot/patch/)
# ---------------------------------------------------------------------------------
# copy all the patches here for this release
cp ../resources/libreboot/patch/0000_t60_6723_and_6725_1_extension_textmode.git.diff .
cp ../resources/libreboot/patch/0001_t60_6731_6_extension_acpi_brightness.git.diff .
# Add text-mode for T60 (enables text-mode payloads like memtest, seabios, grub invaders, etc)
# Based on 6723 (merged) and 6725/1 from coreboot gerrit site (review.coreboot.org)
git apply 0000_t60_6723_and_6725_1_extension_textmode.git.diff
# Cleanup patch for T60 ACPI backlight controls, based on 6731/6 from coreboot gerrit site (review.coreboot.org)
# Won't commit to coreboot for this release, since 6731 is currently -2'd in gerrit (on 20140824) and will be improved.
git apply 0001_t60_6731_6_extension_acpi_brightness.git.diff
# delete the copies of the patches (not needed anymore)
rm -rf 0000_t60_6723_and_6725_1_extension_textmode.git.diff
rm -rf 0001_t60_6731_6_extension_acpi_brightness.git.diff
# Run coreboot-libre deblob scripts
# ---------------------------------------------------------------------------------
# Apply coreboot-libre deblob script for coreboot git revision 63acd22dc5366c72a7165138f5030df9523824dc
# TODO: implement this.
# 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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