#!/bin/bash

#
#  build script: generates libreboot_bin and libreboot_meta
#
#	Copyright (C) 2014 Francis Rowe
#
#    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/>.
#

# Build the ROM's

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

echo "running 'make clean' in coreboot"

# run "make clean" in coreboot
cd coreboot
make clean
rm -rf grub.elf 
cd ..

echo "finished running 'make clean' in coreboot"

# Build the GRUB payload (ELF executable):
# ----------------------------------------------------------------------------------------------------------------------

echo "generating grub.elf payload"

cd grub
mv ../grub_memdisk_keymap .
# Build the GRUB2 payload (grub.elf)
./grub-mkstandalone --grub-mkimage=./grub-mkimage -O i386-coreboot -o grub.elf --modules='crypto cryptodisk ahci pata ehci uhci ohci usb_keyboard usbms part_msdos xfs ext2 fat at_keyboard part_gpt usbserial_usbdebug cbfs minix_be minix minix3_be minix3 minix2_be minix2 zfs ufs2 ufs1_be ufs1 udf squash4 romfs jfs reiserfs procfs odc ntfs nilfs2 newc iso9660 hfsplus cpio exfat cpio_be afs btrfs bfs hfs video_bochs password png jpeg keystatus sleep loopback gfxterm_background' --install-modules='syslinuxcfg bsd ls cat echo linux search configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot hexdump pcidump regexp setpci lsacpi chain test' --fonts= --themes= --locales= -d grub-core/ /boot/grub/grub.cfg=../resources/grub/config/grub_memdisk.cfg $(./grub_memdisk_keymap)
mv grub_memdisk_keymap ../

# move those into coreboot directory:
mv grub.elf ../coreboot

# come back into the main directory
cd ../

echo "finished generating grub.elf payload"

# Build the ROM's (for flashing)
# ----------------------------------------------------------------------------------------------------------------------

# ROM images for supported Thinkpads
# (x60 also means x60s)
for board in x60 t60 x60t
do
	# Build the ROM (with GRUB payload)
	./buildrom-withgrub $board

	# These are needed for the 'bucts' workarounds on X60/T60
	cd bin/$board
	for rom in $(find -type f)
	do
		dd if=$rom of=top64k.bin bs=1 skip=$[$(stat -c %s $rom) - 0x10000] count=64k
		dd if=$rom bs=1 skip=$[$(stat -c %s $rom) - 0x20000] count=64k | hexdump
		dd if=top64k.bin of=$rom bs=1 seek=$[$(stat -c %s $rom) - 0x20000] count=64k conv=notrunc
		rm -rf top64k.bin
	done
	cd ../../
done

# macbook21 doesn't need grub_serial, but the buildrom-withgrub script expects it
# (we will delete it later)
cp resources/grub/config/macbook21/grub_usqwerty.cfg resources/grub/config/macbook21/grub_serial_usqwerty.cfg
# build the ROM
./buildrom-withgrub macbook21
# delete the useless (nonsensical) files
rm -rf bin/macbook21/libreboot_serial*rom
rm -rf resources/grub/config/macbook21/grub_serial_usqwerty.cfg

# Now we prepare libreboot_bin archive ready for release
# ----------------------------------------------------------------------------------------------------------------------------

echo "generating ../libreboot_bin"

# delete the old one
rm -rf ../libreboot_bin

# create new directory
mkdir ../libreboot_bin

# Include the ROM's in the binary archive
cp -r bin ../libreboot_bin

# Include flashrom utility in binary archive
cp -r flashrom ../libreboot_bin

# For installing build dependencies
cp builddeb ../libreboot_bin
# For installing flashrom build dependencies
cp builddeb-flashrom ../libreboot_bin
# For installing bucts build dependencies
cp builddeb-bucts ../libreboot_bin

# Build scripts for flashrom and bucts
cp builddeps-flashrom ../libreboot_bin
cp builddeps-bucts ../libreboot_bin

# Useful information
cp README ../libreboot_bin
cp COPYING ../libreboot_bin

# Include the same documentation in binary archive
cp -r docs ../libreboot_bin

# X60/T60: BUC.TS utility is needed to flash libreboot while Lenovo BIOS is running
cp -r bucts ../libreboot_bin

# Include a copy of nvramtool in libreboot_bin
cp -r coreboot/util/nvramtool ../libreboot_bin

# X60/X60T/T60: Script for setting up powertop (kills high pitched noise)
cp powertop.trisquel6 ../libreboot_bin
cp powertop.trisquel6.init ../libreboot_bin

# (lazy hack) to make builddep-flashrom work in libreboot_bin:
cp -r resources ../libreboot_bin

# X60/T60: so that the user can use libreboot_bin to overwrite lenovo bios with libreboot
cp lenovobios_firstflash ../libreboot_bin
cp lenovobios_secondflash ../libreboot_bin

# Flashrom script (makes flashing easier: ./flash path/to/coreboot.rom)
cp flash ../libreboot_bin

# patch the version of cbfstool included in libreboot_bin,
# so that it can be built/executed standalone
# this modification is only suitable for the version included in libreboot_bin
# do not patch the one in libreboot_src with this
cp -r coreboot/util/cbfstool ../libreboot_bin/cbfstool_standalone
cp builddeps-cbfstool ../libreboot_bin
echo "Patching libreboot_bin/cbfstool_standalone to be buildable (and executable) without residing in coreboot source tree"
rm -rf ../libreboot_bin/cbfstool_standalone/rmodule.c
cp resources/cbfstool/patch/rmodule.c ../libreboot_bin/cbfstool_standalone
cp coreboot/src/include/rmodule-defs.h ../libreboot_bin/cbfstool_standalone
cd ../libreboot_bin
./builddeps-cbfstool
cd ../libreboot_src
echo "Done (cbfstool_standalone package created in libreboot_bin)"

echo "finished generating ../libreboot_bin"

# Create "libreboot_meta"
# -------------------------------------------------------------------------------------------------------------------------------

echo "generating ../libreboot_meta"

# delete old one
rm -rf ../libreboot_meta

# make new one
mkdir ../libreboot_meta

# MOVE unwanted parts to libreboot_meta (we'll move them back later)
mv bucts ../libreboot_meta
mv coreboot ../libreboot_meta
mv flashrom ../libreboot_meta
mv grub ../libreboot_meta
mv "memtest86+-5.01" ../libreboot_meta

# COPY wanted parts to libreboot_meta
cp -r * ../libreboot_meta
# DELETE unwanted ROM's from libreboot_meta
rm -rf ../libreboot_meta/bin/*

# MOVE BACK the unwanted (in meta) files back to src
mv ../libreboot_meta/bucts .
mv ../libreboot_meta/coreboot .
mv ../libreboot_meta/flashrom .
mv ../libreboot_meta/grub .
mv ../libreboot_meta/"memtest86+-5.01" .

echo "finished generating ../libreboot_meta"

# Create sha512sum manifest for bin, meta and src
# ------------------------------------------------------------------------------------------------------------------------------------

echo "creating sha512sum manifest in libreboot_bin"
cd ../libreboot_bin
rm -rf sha512sum.txt ../sha512sum.txt
touch ../sha512sum.txt
for i in $(find -type f); do sha512sum "$i" >> ../sha512sum.txt; done
mv ../sha512sum.txt .
echo "done"
cd ../libreboot_src

echo "creating sha512sum manifest in libreboot_meta"
cd ../libreboot_meta
rm -rf sha512sum.txt ../sha512sum.txt
touch ../sha512sum.txt
for i in $(find -type f); do sha512sum "$i" >> ../sha512sum.txt; done
mv ../sha512sum.txt .
echo "done"
cd ../libreboot_src

# # Doing this part is pointless
# # This should be done manually (after running 'cleandeps') before releasing the archive
# echo "creating sha512sum manifest in libreboot_src"
# # cd ../libreboot_bin
# rm -rf sha512sum.txt ../sha512sum.txt
# touch ../sha512sum.txt
# for i in $(find -type f); do sha512sum "$i" >> ../sha512sum.txt; done
# mv ../sha512sum.txt .
# echo "done"
# # cd ../libreboot_src

echo "BUILD COMPLETE. Check ../libreboot_bin and ../libreboot_meta"

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