modules += coreboot

coreboot_version := git
coreboot_dir := coreboot-$(coreboot_version)
#coreboot_tar := coreboot-$(coreboot_version).tar.xz
#coreboot_tar := coreboot-4.4.tar.xz
#coreboot_url := https://www.coreboot.org/releases/$(coreboot_tar)
#coreboot_hash := ccfa3ea4e6b4a6ff3e4f1a8dc72d61f794af25bf0e73640e54b0b04733cc50a5

coreboot_repo := https://github.com/osresearch/coreboot

# Coreboot builds are specialized on a per-target basis.
# The builds are done in a per-target subdirectory
#coreboot_config := coreboot-$(TARGET).config

EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches

coreboot_configure := \
	$(MAKE) \
		oldconfig \
		obj=./$(BOARD) \
		DOTCONFIG=../../config/coreboot-$(BOARD).config \
		CFLAGS_x86_32="$(EXTRA_FLAGS)" \
		CFLAGS_x86_64="$(EXTRA_FLAGS)" \

coreboot_target := \
	obj=./$(BOARD) \
	DOTCONFIG=../../config/coreboot-$(BOARD).config \
	CFLAGS_x86_32="$(EXTRA_FLAGS)" \
	CFLAGS_x86_64="$(EXTRA_FLAGS)" \
	-j 8

coreboot_output := $(BOARD)/coreboot.rom


# hack to force a build dependency on the cross compiler
$(build)/$(coreboot_dir)/.configured: $(build)/$(coreboot_dir)/util/crossgcc/xgcc/bin/i386-elf-gcc
$(build)/$(coreboot_dir)/util/crossgcc/xgcc/bin/i386-elf-gcc:
	echo '******* Building crossgcc-i386 (this might take a while) ******'
	$(MAKE) -C "$(build)/$(coreboot_dir)" crossgcc-i386
	#echo '******* Building crossgcc-arm (this might take a while) ******'
	#$(MAKE) -C "$(build)/$(coreboot_dir)" crossgcc-arm

# The coreboot-blobs must be unpacked before we can build coreboot
# if we are using a tar file; git checkout will clone the submodule.
coreboot_depends := linux initrd

#coreboot_depends += coreboot_blobs
#modules += coreboot-blobs
#
#coreboot-blobs_version := 4.4
#coreboot-blobs_tar := coreboot-blobs-$(coreboot-blobs_version).tar.xz
#coreboot-blobs_dir := coreboot-$(coreboot-blobs_version)/3rdparty/blobs
#coreboot-blobs_url := https://www.coreboot.org/releases/$(coreboot-blobs_tar)
#coreboot-blobs_hash := 43b993915c0f46a77ee7ddaa2dbe47581f399510632c62f2558dff931358d8ab
#
## there is nothing to build for the blobs, this should be
## made easier to make happen
#coreboot-blobs_output := .built
#coreboot-blobs_configure := echo -e 'all:\n\ttouch .built' > Makefile