#!/bin/bash

#
#  build script: builds the ROM images with GRUB payloads and puts them in ./bin/
#
#	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/>.
#

set -u -e -v

# Build the ROM's

# MAKE SURE THAT YOU RAN "buildall" OR "builddeps" *AT LEAST ONCE*
# BEFORE RUNNING THIS!

# Put GRUB payloads and config files
# in the coreboot directory, ready for next step
cd coreboot/
for romtype in txtmode vesafb
do
	cd ../resources/utilities/grub-assemble
	./gen."$romtype".sh
	rm -f ../../../coreboot/grub_"$romtype".elf
	mv grub_"$romtype".elf ../../../coreboot/
	cd ../../../coreboot

	# GRUB configuration files
	for keymap in $(ls ../resources/utilities/grub-assemble/keymap/original)
	do
		cat ../resources/grub/config/extra/common.cfg > grub_"$keymap"_"$romtype".cfg
		cat ../resources/grub/config/extra/"$romtype".cfg >> grub_"$keymap"_"$romtype".cfg
		echo "keymap $keymap" >> grub_"$keymap"_"$romtype".cfg
		cat ../resources/grub/config/menuentries/common.cfg >> grub_"$keymap"_"$romtype".cfg
		cat ../resources/grub/config/menuentries/"$romtype".cfg >> grub_"$keymap"_"$romtype".cfg
		# grubtest.cfg should be able to switch back to grub.cfg
		sed 's/grubtest.cfg/grub.cfg/' < grub_"$keymap"_"$romtype".cfg > grub_"$keymap"_"$romtype"_test.cfg
	done
done
cd ../

# Build ROM images for supported boards
for board in x60 t60 x60t macbook21
do
	./buildrom-withgrub $board
done

# Needed on i945 systems for the bucts/dd trick (documented)
# This enables the ROM to be flashed over the lenovo bios firmware
for i945board in x60 x60t t60
do
	cd bin/"$i945board"/
	for i945rom in $(ls)
	do
		dd if="$i945rom" of=top64k.bin bs=1 skip=$[$(stat -c %s "$i945rom") - 0x10000] count=64k
		dd if=top64k.bin of="$i945rom" bs=1 seek=$[$(stat -c %s "$i945rom") - 0x20000] count=64k conv=notrunc
		rm -f top64k.bin
	done
	cd ../../
done

# The GRUB payloads are no longer needed
rm -f coreboot/grub_vesafb.elf
rm -f coreboot/grub_txtmode.elf
# The GRUB configs are no longer needed
rm -f coreboot/grub*cfg

# ------------------- DONE ----------------------