heads/modules/coreboot
Sergii Dmytruk f16e92792a
Support targeting PowerPC 64
This prepares most of the modules to be build for it.

Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
2022-08-25 20:55:39 +03:00

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modules-$(CONFIG_COREBOOT) += coreboot
ifeq "$(CONFIG_COREBOOT)" "y"
CONFIG_COREBOOT_ROM ?= coreboot.rom
CONFIG_COREBOOT_BOOTBLOCK ?=
ifeq "$(CONFIG_TARGET_ARCH)" "x86"
COREBOOT_TARGET := i386
LINUX_IMAGE_FILE := bzImage
else ifeq "$(CONFIG_TARGET_ARCH)" "ppc64"
COREBOOT_TARGET := ppc64
LINUX_IMAGE_FILE := zImage
else
$(error "$(CONFIG_TARGET_ARCH) target isn't supported by this module")
endif
ifeq "$(CONFIG_COREBOOT_VERSION)" "4.8.1"
coreboot_version := 4.8.1
coreboot_hash := f0ddf4db0628c1fe1e8348c40084d9cbeb5771400c963fd419cda3995b69ad23
coreboot-blobs_hash := 18aa509ae3af005a05d7b1e0b0246dc640249c14fc828f5144b6fd20bb10e295
else ifeq "$(CONFIG_COREBOOT_VERSION)" "4.11"
coreboot_version := 4.11
coreboot_hash := 97fd859b4c39a25534fe33c30eb86e54a233952e08a024c55858d11598a8ad87
coreboot-blobs_hash := aa7855c5bd385b3360dadc043ea6bc93f564e6e4840d9b3ee5b9e696bbd055db
coreboot_depends := $(if $(CONFIG_PURISM_BLOBS), purism-blobs)
else ifeq "$(CONFIG_COREBOOT_VERSION)" "4.13"
coreboot_version := 4.13
coreboot_hash := 4779da645a25ddebc78f1bd2bd0b740fb1e6479572648d4650042a2b9502856a
coreboot-blobs_hash := 060656b46a7859d038ddeec3f7e086e85f146a50b280c4babec23c1188264dc8
coreboot_depends := $(if $(CONFIG_PURISM_BLOBS), purism-blobs)
else ifeq "$(CONFIG_COREBOOT_VERSION)" "4.15"
coreboot_version := 4.15
coreboot_hash := 20e6aaa6dd0eaec7753441c799711d1b4630e3ca709536386f2242ac2c8a1ec5
coreboot-blobs_hash := c0e2d8006da226208ba274a44895d102cb2879cf139cc67bba5f62e67b871f6d
coreboot_depends := $(if $(CONFIG_PURISM_BLOBS), purism-blobs)
EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches -Wno-error=packed-not-aligned -Wno-error=address-of-packed-member
else
$(error "$(BOARD): does not specify coreboot version under CONFIG_COREBOOT_VERSION")
endif
#coreboot_version := git
#coreboot_repo := https://github.com/osresearch/coreboot
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 builds are specialized on a per-target basis.
# The builds are done in a per-target subdirectory
CONFIG_COREBOOT_CONFIG ?= config/coreboot-$(BOARD).config
# Ensure that touching the config file will force a rebuild
$(build)/$(coreboot_dir)/.configured: $(CONFIG_COREBOOT_CONFIG)
EXTRA_FLAGS ?= -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches -Wno-error=packed-not-aligned
coreboot_configure := \
mkdir -p "$(build)/$(coreboot_dir)" \
&& $(call install_config,$(pwd)/$(CONFIG_COREBOOT_CONFIG),$(build)/$(coreboot_dir)/.config) \
&& echo 'CONFIG_LOCALVERSION="Heads-$(HEADS_GIT_VERSION)"' >> $(build)/$(coreboot_dir)/.config \
&& echo 'CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME="$(BOARD)"' >> $(build)/$(coreboot_dir)/.config \
&& $(MAKE) olddefconfig \
-C "$(build)/$(coreboot_base_dir)" \
obj="$(build)/$(coreboot_dir)" \
DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
BUILD_TIMELESS=1 \
CFLAGS_x86_32="$(EXTRA_FLAGS)" \
CFLAGS_x86_64="$(EXTRA_FLAGS)" \
COREBOOT_IASL="$(build)/$(coreboot_base_dir)/util/crossgcc/xgcc/bin/iasl"
# coreboot for x86 is built with the 32-bit compiler; ideally we could use the
# same x86_64-linux-musl -m32 to build it, but this causes some link errors that
# need to be tracked down.
# CROSS="$(CROSS)" \
ifeq "$(CONFIG_TARGET_ARCH)" "x86"
COREBOOT_CROSS := $(dir $(CROSS))i386-linux-musl-
else
COREBOOT_CROSS := $(CROSS)
endif
coreboot_target := \
-C "$(build)/$(coreboot_base_dir)" \
obj="$(build)/$(coreboot_dir)" \
CROSS="$(COREBOOT_CROSS)" \
IASL="$(COREBOOT_IASL)" \
DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
BUILD_TIMELESS=1 \
CFLAGS_x86_32="$(EXTRA_FLAGS)" \
CFLAGS_x86_64="$(EXTRA_FLAGS)" \
$(MAKE_JOBS)
coreboot_output := $(CONFIG_COREBOOT_ROM)
coreboot_output += $(CONFIG_COREBOOT_BOOTBLOCK)
coreboot_depend += linux initrd $(musl_dep)
COREBOOT_TOOLCHAIN="$(build)/$(coreboot_base_dir)/.xcompile"
$(COREBOOT_TOOLCHAIN): $(build)/$(coreboot_base_dir)/.canary
$(MAKE) -C "$(build)/$(coreboot_base_dir)" CPUS=$(CPUS) "crossgcc-$(COREBOOT_TARGET)"
$(build)/$(coreboot_dir)/.configured: $(COREBOOT_TOOLCHAIN)
# Force a rebuild if the inputs have changed
$(build)/$(coreboot_dir)/.build: \
$(build)/$(BOARD)/$(LINUX_IMAGE_FILE) \
$(build)/$(BOARD)/initrd.cpio.xz \
# This produces a ROM image that is written with the flashrom program
ifneq ($(CONFIG_COREBOOT),)
$(build)/$(BOARD)/$(CB_OUTPUT_FILE): $(build)/$(coreboot_dir)/.build
# Use coreboot.rom, because custom output files might not be processed by cbfstool
"$(build)/$(coreboot_dir)/cbfstool" "$(dir $<)coreboot.rom" print
$(call do-copy,$(dir $<)$(CONFIG_COREBOOT_ROM),$@)
@touch $@ # update the time stamp
ifneq ($(CONFIG_COREBOOT_BOOTBLOCK),)
$(build)/$(BOARD)/$(CB_BOOTBLOCK_FILE): $(build)/$(coreboot_dir)/.build
$(call do-copy,$(dir $<)$(CONFIG_COREBOOT_BOOTBLOCK),$@)
@touch $@ # update the time stamp
endif
endif
#
# Helpful target for reconfiguring the coreboot target
#
coreboot.menuconfig:
$(MAKE) \
-C "$(build)/$(coreboot_base_dir)" \
DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
menuconfig
# The config file in the repo is stored as a "defconfig" format
# which only includes the options that have changed from the defaults.
coreboot.saveconfig:
$(MAKE) \
-C "$(build)/$(coreboot_base_dir)" \
DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
DEFCONFIG="$(pwd)/$(CONFIG_COREBOOT_CONFIG)" \
savedefconfig
# if we are not building from a git checkout,
# we must also download the coreboot-blobs tree
ifneq "$(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_url := https://www.coreboot.org/releases/$(coreboot-blobs_tar)
ifeq "$(CONFIG_COREBOOT_VERSION)" "4.8.1"
coreboot-blobs_tar_opt := --strip 3
coreboot-blobs_dir := coreboot-$(coreboot-blobs_version)/3rdparty/blobs
else
coreboot-blobs_tar_opt := --strip 2
coreboot-blobs_dir := coreboot-$(coreboot-blobs_version)/3rdparty
endif
## 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
endif