lbmk/resources/scripts/build/payload/grub

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#!/usr/bin/env bash
# generate GRUB ELF files (coreboot payload) and configuration files
#
# Copyright (C) 2014, 2015, 2020, 2021 Leah Rowe <info@minifree.org>
#
# 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${DEBUG+set}" = 'xset' ] && set -v
set -u -e
# This is where GRUB is expected to be (outside of the grub-assemble, instead in main checkout)
source "resources/grub/modules.list"
printf "Creating GRUB payloads and configuration files\n"
if [ ! -d "grub/" ]; then
./download grub
fi
if [ ! -f "grub/grub-mkstandalone" ]; then
./build module grub
fi
[ ! -d "payload/" ] && mkdir -p payload/
[ ! -d "payload/grub" ] && mkdir -p payload/grub/
rm -f payload/grub/*
# Separate GRUB payload per keymap. This saves space in the ROM, otherwise
# a lot of space would be used if every keymap was stored in a single image
for keylayoutfile in resources/grub/keymap/*.gkb; do
if [ ! -f "${keylayoutfile}" ]; then
continue
fi
keymap="${keylayoutfile##resources/grub/keymap/}"
keymap="${keymap%.gkb}"
grub/grub-mkstandalone \
--grub-mkimage="grub/grub-mkimage" \
-O i386-coreboot \
-o payload/grub/grub_${keymap}.elf \
-d grub/grub-core/ \
--fonts= --themes= --locales= \
--modules="${grub_modules}" \
--install-modules="${grub_install_modules}" \
/boot/grub/grub.cfg=resources/grub/config/grub_memdisk.cfg \
/boot/grub/layouts/${keymap}.gkb=${keylayoutfile}
if [ "${keymap}" = "usqwerty" ]; then
cp resources/grub/config/grub.cfg payload/grub/grub_usqwerty.cfg
else
sed "s/usqwerty/${keymap}/" < resources/grub/config/grub.cfg > payload/grub/grub_${keymap}.cfg
fi
sed "s/grubtest.cfg/grub.cfg/" < payload/grub/grub_${keymap}.cfg > payload/grub/grub_${keymap}_test.cfg
printf "Generated: 'payload/grub/grub_%s.elf' and configs.'\n" "${keymap}"
done
printf "Done! Check payload/grub/ to see the files.\n\n"