heads/modules/coreboot

modules-$(CONFIG_COREBOOT) += coreboot

#coreboot_version := git
#coreboot_repo := https://github.com/osresearch/coreboot
coreboot_version := 4.7
coreboot_base_dir := coreboot-$(coreboot_version)
coreboot_dir := $(coreboot_base_dir)/$(BOARD)
coreboot_tar := coreboot-$(coreboot_version).tar.xz
coreboot_url := https://www.coreboot.org/releases/$(coreboot_tar)
coreboot_hash := d68a83f8f687e8ea212b8c5bb501e24444b57c3f73896042d09628188c851368

# Coreboot builds are specialized on a per-target basis.
# The builds are done in a per-target subdirectory
CONFIG_COREBOOT_CONFIG ?= config/coreboot-$(BOARD).config

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

coreboot_configure := \
	$(MAKE) -C $(build)/$(coreboot_base_dir) \
		oldconfig \
		obj=$(build)/$(coreboot_dir) \
		DOTCONFIG=../../$(CONFIG_COREBOOT_CONFIG) \
		BUILD_TIMELESS=1 \
		CFLAGS_x86_32="$(EXTRA_FLAGS)" \
		CFLAGS_x86_64="$(EXTRA_FLAGS)" \

coreboot_target := \
	-C $(build)/$(coreboot_base_dir) \
	obj=$(build)/$(coreboot_dir) \
	DOTCONFIG=../../$(CONFIG_COREBOOT_CONFIG) \
	BUILD_TIMELESS=1 \
	CFLAGS_x86_32="$(EXTRA_FLAGS)" \
	CFLAGS_x86_64="$(EXTRA_FLAGS)" \
	$(MAKE_JOBS)

coreboot_output := coreboot.rom
coreboot_depend += linux initrd

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

# Force a rebuild if the inputs have changed
$(build)/$(coreboot_dir)/.build: \
	$(build)/$(BOARD)/bzImage \
	$(build)/$(BOARD)/initrd.cpio.xz \


#
# Helpful target for reconfiguring the coreboot target
#
coreboot.menuconfig:
	$(MAKE) \
		-C "$(build)/$(coreboot_base_dir)" \
		DOTCONFIG="../../$(CONFIG_COREBOOT_CONFIG)" \
		menuconfig


# if we are not building from a git checkout,
# we must also download the coreboot-blobs tree
ifneq "$(coreboot_version)" "git"

coreboot_depends += coreboot-blobs
modules-y += 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 := 443379a2207e350747cbbfe7968ceafddc7dd8563b067476f755ff11791bb5f5

## 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
make coreboot an optional dependency (issue #265) 2017-09-22 20:17:05 +00:00			`modules-$(CONFIG_COREBOOT) += coreboot`
coreboot build (might) work; need to do a test from clean while online 2016-08-03 01:49:22 +00:00
use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00			`#coreboot_version := git`
			`#coreboot_repo := https://github.com/osresearch/coreboot`
Update to coreboot 4.7 2018-01-21 01:29:43 +00:00			`coreboot_version := 4.7`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`coreboot_base_dir := coreboot-$(coreboot_version)`
			`coreboot_dir := $(coreboot_base_dir)/$(BOARD)`
use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00			`coreboot_tar := coreboot-$(coreboot_version).tar.xz`
			`coreboot_url := https://www.coreboot.org/releases/$(coreboot_tar)`
Update to coreboot 4.7 2018-01-21 01:29:43 +00:00			`coreboot_hash := d68a83f8f687e8ea212b8c5bb501e24444b57c3f73896042d09628188c851368`
checkout coreboot from github, rather than downloading release file 2016-08-19 15:31:07 +00:00
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00			`# Coreboot builds are specialized on a per-target basis.`
			`# The builds are done in a per-target subdirectory`
x230 build works on the NERF tree (#305) Fix FAST=1 builds to actually be fast. 2018-02-05 16:56:15 +00:00			`CONFIG_COREBOOT_CONFIG ?= config/coreboot-$(BOARD).config`
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00
coreboot flags to strip build paths (issue #95) 2017-01-29 01:21:47 +00:00			`EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches`

Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00			`coreboot_configure := \`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`$(MAKE) -C $(build)/$(coreboot_base_dir) \`
coreboot flags to strip build paths (issue #95) 2017-01-29 01:21:47 +00:00			`oldconfig \`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`obj=$(build)/$(coreboot_dir) \`
x230 build works on the NERF tree (#305) Fix FAST=1 builds to actually be fast. 2018-02-05 16:56:15 +00:00			`DOTCONFIG=../../$(CONFIG_COREBOOT_CONFIG) \`
use BUILD_TIMELESS to avoid timestamps in coreboot when not in a git tree (issue #104) 2017-02-01 18:39:56 +00:00			`BUILD_TIMELESS=1 \`
coreboot flags to strip build paths (issue #95) 2017-01-29 01:21:47 +00:00			`CFLAGS_x86_32="$(EXTRA_FLAGS)" \`
			`CFLAGS_x86_64="$(EXTRA_FLAGS)" \`
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00
			`coreboot_target := \`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`-C $(build)/$(coreboot_base_dir) \`
			`obj=$(build)/$(coreboot_dir) \`
x230 build works on the NERF tree (#305) Fix FAST=1 builds to actually be fast. 2018-02-05 16:56:15 +00:00			`DOTCONFIG=../../$(CONFIG_COREBOOT_CONFIG) \`
use BUILD_TIMELESS to avoid timestamps in coreboot when not in a git tree (issue #104) 2017-02-01 18:39:56 +00:00			`BUILD_TIMELESS=1 \`
coreboot flags to strip build paths (issue #95) 2017-01-29 01:21:47 +00:00			`CFLAGS_x86_32="$(EXTRA_FLAGS)" \`
			`CFLAGS_x86_64="$(EXTRA_FLAGS)" \`
limit parallel make load (issue #131) 2017-03-21 18:29:07 +00:00			`$(MAKE_JOBS)`
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`coreboot_output := coreboot.rom`
			`coreboot_depend += linux initrd`
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00
coreboot build (might) work; need to do a test from clean while online 2016-08-03 01:49:22 +00:00			`# hack to force a build dependency on the cross compiler`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`$(build)/$(coreboot_dir)/.configured: $(build)/$(coreboot_base_dir)/util/crossgcc/xgcc/bin/i386-elf-gcc`
			`$(build)/$(coreboot_base_dir)/util/crossgcc/xgcc/bin/i386-elf-gcc: $(build)/$(coreboot_base_dir)/.canary`
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00			`echo '***** Building crossgcc-i386 (this might take a while) ****'`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			$(MAKE) -C "$(build)/$(coreboot_base_dir)" CPUS=`nproc` crossgcc-i386
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance. 2016-11-23 17:11:08 +00:00			`#echo '***** Building crossgcc-arm (this might take a while) ****'`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`#$(MAKE) -C "$(build)/$(coreboot_base_dir)" crossgcc-arm`

			`# Force a rebuild if the inputs have changed`
			`$(build)/$(coreboot_dir)/.build: \`
			`$(build)/$(BOARD)/bzImage \`
			`$(build)/$(BOARD)/initrd.cpio.xz \`

use coreboot from git instead of downloading it, move blobs into this module file 2016-08-14 20:03:11 +00:00
Helpful targets 2018-02-13 18:20:04 +00:00			`#`
			`# Helpful target for reconfiguring the coreboot target`
			`#`
			`coreboot.menuconfig:`
			`$(MAKE) \`
parallel make fixes and hacks, which seem to work and reduce excessive remaking (issue #394) 2018-05-02 15:38:39 +00:00			`-C "$(build)/$(coreboot_base_dir)" \`
Helpful targets 2018-02-13 18:20:04 +00:00			`DOTCONFIG="../../$(CONFIG_COREBOOT_CONFIG)" \`
			`menuconfig`

use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00
			`# if we are not building from a git checkout,`
			`# we must also download the coreboot-blobs tree`
x230 build works on the NERF tree (#305) Fix FAST=1 builds to actually be fast. 2018-02-05 16:56:15 +00:00			`ifneq "$(coreboot_version)" "git"`

use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00			`coreboot_depends += coreboot-blobs`
Build time configuration for startup scripts and modules. This addresses multiple issues: * Issue #63: initrd is build fresh each time, so tracked files do not matter. * Issue #144: build time configuration * Issue #123: allows us to customize the startup experience * Issue #122: manual start-xen will go away * Issue #25: tpmtotp PCRs are updated after reading the secret * Issue #16: insmod now meaures modules 2017-03-31 15:18:46 +00:00			`modules-y += coreboot-blobs`
use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00
			`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)`
Update to coreboot 4.7 2018-01-21 01:29:43 +00:00			`coreboot-blobs_hash := 443379a2207e350747cbbfe7968ceafddc7dd8563b067476f755ff11791bb5f5`
use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00
use coreboot from git instead of downloading it, move blobs into this module file 2016-08-14 20:03:11 +00:00			`## there is nothing to build for the blobs, this should be`
			`## made easier to make happen`
use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00			`coreboot-blobs_output := .built`
			`coreboot-blobs_configure := echo -e 'all:\n\ttouch .built' > Makefile`
use coreboot from git instead of downloading it, move blobs into this module file 2016-08-14 20:03:11 +00:00
use coreboot-4.5 release with a patch against the source tree (issue #102) 2017-02-01 16:50:52 +00:00			`endif`