heads/modules/coreboot

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modules += coreboot
#coreboot_version := git
#coreboot_repo := https://github.com/osresearch/coreboot
coreboot_version := 4.5
coreboot_dir := coreboot-$(coreboot_version)
coreboot_tar := coreboot-$(coreboot_version).tar.xz
coreboot_url := https://www.coreboot.org/releases/$(coreboot_tar)
coreboot_hash := 0ffdcb0d18f506c483f8fe99df54fe7d5769f834eeffdc23160b035fee2a6027
# Coreboot builds are specialized on a per-target basis.
# The builds are done in a per-target subdirectory
#coreboot_config := coreboot-$(TARGET).config
EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches
coreboot_configure := \
$(MAKE) \
oldconfig \
obj=./$(BOARD) \
DOTCONFIG=../../config/coreboot-$(BOARD).config \
BUILD_TIMELESS=1 \
CFLAGS_x86_32="$(EXTRA_FLAGS)" \
CFLAGS_x86_64="$(EXTRA_FLAGS)" \
coreboot_target := \
obj=./$(BOARD) \
DOTCONFIG=../../config/coreboot-$(BOARD).config \
BUILD_TIMELESS=1 \
CFLAGS_x86_32="$(EXTRA_FLAGS)" \
CFLAGS_x86_64="$(EXTRA_FLAGS)" \
-j $(MAKE_JOBS)
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
ifneq "$(coreboot_version)" "git"
# if we are not building from a git checkout,
# we must also download the coreboot-blobs tree
coreboot_depends += coreboot-blobs
modules += coreboot-blobs
coreboot-blobs_version := $(coreboot_version)
coreboot-blobs_tar := coreboot-blobs-$(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 := 86dc3939f546fa9c3907434f9e8ee9e2362f9572b492fc92ea89ae313cf214e4
## 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
endif