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kumquat-buildroot/boot/edk2/edk2.mk
Julien Olivain b21e072127 boot/edk2: remove superfluous =TRUE in DEBUG_ON_SERIAL_PORT macro definition 
Commit 8e9c8e624f "boot/edk2: introduce a new _OVMF_DEBUG_ON_SERIAL
option" adds a build macro definition with a "=TRUE" value.

edk2 OVMF readme suggests to define the "DEBUG_ON_SERIAL_PORT" macro
_without_ the "=TRUE" in [1].

The example build.sh script calls build to set the macro _with_
"=TRUE" in [2].

The "Build_Utility_Man_Page.rtf" documentation in [3] does not specify
either what exactly happen when a macro is defined without any value.

Looking at the "build.py" code in [4] shows that a macro definition of
the form "-DMYMACRO" is indeed equivalent as "-DMYMACRO=TRUE". This
was also tested with a qemu virt x86_64 grub2 EFI boot image, to
verify behaviors remain the same.

This commit removes the superfluous "=TRUE" as requested by Yann in [5].

Removing the "=TRUE" make it a bit clearer that it is the macro
definition itself that will enable the feature, rather than its
value. Defining, -DDEBUG_ON_SERIAL_PORT=FALSE (OFF, 0, or anything
else that would suggest the feature is disabled) would do the
opposite of the desired effect, and enable the feature.

[1] https://github.com/tianocore/edk2/blob/edk2-stable202305/OvmfPkg/README#L95
[2] https://github.com/tianocore/edk2/blob/edk2-stable202305/OvmfPkg/build.sh#L252
[3] https://github.com/tianocore/edk2/tree/edk2-stable202305/BaseTools/UserManuals
[4] https://github.com/tianocore/edk2/blob/edk2-stable202305/BaseTools/Source/Python/build/build.py#L2531
[5] https://lists.buildroot.org/pipermail/buildroot/2023-July/671059.html

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2023-07-28 22:25:40 +02:00

176 lines
6.0 KiB
Makefile
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################################################################################
#
# edk2
#
################################################################################
EDK2_VERSION = edk2-stable202305
EDK2_SITE = https://github.com/tianocore/edk2
EDK2_SITE_METHOD = git
EDK2_LICENSE = BSD-2-Clause-Patent
EDK2_LICENSE_FILES = License.txt
EDK2_CPE_ID_VENDOR = tianocore
EDK2_DEPENDENCIES = edk2-platforms host-python3 host-acpica host-util-linux
EDK2_INSTALL_TARGET = NO
EDK2_INSTALL_IMAGES = YES
ifeq ($(BR2_ENABLE_DEBUG),y)
EDK2_BUILD_TYPE = DEBUG
ifeq ($(BR2_TARGET_EDK2_OVMF_DEBUG_ON_SERIAL),y)
# DEBUG_ON_SERIAL_PORT is only tested to be set, so don't disable it, as
# it would still be set.
EDK2_BUILD_OPTS += -DDEBUG_ON_SERIAL_PORT
endif
else
EDK2_BUILD_TYPE = RELEASE
# DEBUG_ON_SERIAL_PORT is only valid in debug builds, so useless to set
# it (enabled or disabled) on a relase build.
endif
# Build system notes.
#
# The EDK2 build system is rather unique, so here are a few useful notes.
#
# First, builds rely heavily on Git submodules to fetch various dependencies
# into specific directory structures. It might be possible to work around this
# and rely on Buildroot's infrastructure, but using Git submodules greatly
# simplifies this already complicated build system.
#
# Second, the build system is spread across various commands and stages.
# Therefore, all build variables needs to be exported to be available
# accordingly. The first stage will build $(@D)/BaseTools which contains
# various tools and scripts for the host.
#
# Third, where applicable, the dependency direction between EDK2 and
# ARM Trusted Firmware (ATF) will go in different direction for different
# platforms. Most commonly, ATF will depend on EDK2 via the BL33 payload.
# But for some platforms (e.g. QEMU SBSA or DeveloperBox) EDK2 will package
# the ATF images within its own build system. In such cases, intermediary
# "EDK2 packages" will be built in $(EDK2_BUILD_PACKAGES) in order for EDK2
# to be able to use them in subsequent build stages.
#
# For more information about the build setup:
# https://edk2-docs.gitbook.io/edk-ii-build-specification/4_edk_ii_build_process_overview
EDK2_GIT_SUBMODULES = YES
EDK2_BUILD_PACKAGES = $(@D)/Build/Buildroot
EDK2_PACKAGES_PATHS = $(@D) $(EDK2_BUILD_PACKAGES) $(STAGING_DIR)/usr/share/edk2-platforms
ifeq ($(BR2_TARGET_EDK2_PLATFORM_OVMF_I386),y)
EDK2_ARCH = IA32
EDK2_DEPENDENCIES += host-nasm
EDK2_PACKAGE_NAME = OvmfPkg
EDK2_PLATFORM_NAME = OvmfPkgIa32
EDK2_BUILD_DIR = OvmfIa32
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_OVMF_X64),y)
EDK2_ARCH = X64
EDK2_DEPENDENCIES += host-nasm
EDK2_PACKAGE_NAME = OvmfPkg
EDK2_PLATFORM_NAME = OvmfPkgX64
EDK2_BUILD_DIR = OvmfX64
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_ARM_VIRT_QEMU),y)
EDK2_ARCH = AARCH64
EDK2_PACKAGE_NAME = ArmVirtPkg
EDK2_PLATFORM_NAME = ArmVirtQemu
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)-$(EDK2_ARCH)
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_ARM_VIRT_QEMU_KERNEL),y)
EDK2_ARCH = AARCH64
EDK2_PACKAGE_NAME = ArmVirtPkg
EDK2_PLATFORM_NAME = ArmVirtQemuKernel
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)-$(EDK2_ARCH)
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_ARM_SGI575),y)
EDK2_ARCH = AARCH64
EDK2_PACKAGE_NAME = Platform/ARM/SgiPkg/Sgi575
EDK2_PLATFORM_NAME = Sgi575
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_ARM_VEXPRESS_FVP_AARCH64),y)
EDK2_ARCH = AARCH64
EDK2_PACKAGE_NAME = Platform/ARM/VExpressPkg
EDK2_PLATFORM_NAME = ArmVExpress-FVP-AArch64
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_SOCIONEXT_DEVELOPERBOX),y)
EDK2_ARCH = AARCH64
EDK2_DEPENDENCIES += host-dtc arm-trusted-firmware
EDK2_PACKAGE_NAME = Platform/Socionext/DeveloperBox
EDK2_PLATFORM_NAME = DeveloperBox
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)
EDK2_BUILD_ENV += DTC_PREFIX=$(HOST_DIR)/bin/
EDK2_BUILD_OPTS += -D DO_X86EMU=TRUE
EDK2_PRE_BUILD_HOOKS += EDK2_PRE_BUILD_SOCIONEXT_DEVELOPERBOX
define EDK2_PRE_BUILD_SOCIONEXT_DEVELOPERBOX
mkdir -p $(EDK2_BUILD_PACKAGES)/Platform/Socionext/DeveloperBox
$(ARM_TRUSTED_FIRMWARE_DIR)/tools/fiptool/fiptool create \
--tb-fw $(BINARIES_DIR)/bl31.bin \
--soc-fw $(BINARIES_DIR)/bl31.bin \
--scp-fw $(BINARIES_DIR)/bl31.bin \
$(EDK2_BUILD_PACKAGES)/Platform/Socionext/DeveloperBox/fip_all_arm_tf.bin
endef
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_SOLIDRUN_ARMADA80X0MCBIN),y)
EDK2_ARCH = AARCH64
EDK2_DEPENDENCIES += host-dtc arm-trusted-firmware edk2-non-osi
EDK2_PACKAGE_NAME = Platform/SolidRun/Armada80x0McBin
EDK2_PLATFORM_NAME = Armada80x0McBin
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)-$(EDK2_ARCH)
EDK2_BUILD_ENV += DTC_PREFIX=$(HOST_DIR)/bin/
EDK2_BUILD_OPTS += -D INCLUDE_TFTP_COMMAND
EDK2_PACKAGES_PATHS += $(STAGING_DIR)/usr/share/edk2-non-osi
else ifeq ($(BR2_TARGET_EDK2_PLATFORM_QEMU_SBSA),y)
EDK2_ARCH = AARCH64
EDK2_DEPENDENCIES += arm-trusted-firmware
EDK2_PACKAGE_NAME = Platform/Qemu/SbsaQemu
EDK2_PLATFORM_NAME = SbsaQemu
EDK2_BUILD_DIR = $(EDK2_PLATFORM_NAME)
EDK2_PRE_BUILD_HOOKS += EDK2_PRE_BUILD_QEMU_SBSA
define EDK2_PRE_BUILD_QEMU_SBSA
mkdir -p $(EDK2_BUILD_PACKAGES)/Platform/Qemu/Sbsa
ln -srf $(BINARIES_DIR)/{bl1.bin,fip.bin} $(EDK2_BUILD_PACKAGES)/Platform/Qemu/Sbsa/
endef
endif
EDK2_BASETOOLS_OPTS = \
EXTRA_LDFLAGS="$(HOST_LDFLAGS)" \
EXTRA_OPTFLAGS="$(HOST_CPPFLAGS)"
EDK2_PACKAGES_PATH = $(subst $(space),:,$(strip $(EDK2_PACKAGES_PATHS)))
EDK2_BUILD_ENV += \
WORKSPACE=$(@D) \
PACKAGES_PATH=$(EDK2_PACKAGES_PATH) \
PYTHON_COMMAND=$(HOST_DIR)/bin/python3 \
IASL_PREFIX=$(HOST_DIR)/bin/ \
NASM_PREFIX=$(HOST_DIR)/bin/ \
GCC5_$(EDK2_ARCH)_PREFIX=$(TARGET_CROSS)
EDK2_BUILD_OPTS += \
-t GCC5 \
-n $(BR2_JLEVEL) \
-a $(EDK2_ARCH) \
-b $(EDK2_BUILD_TYPE) \
-p $(EDK2_PACKAGE_NAME)/$(EDK2_PLATFORM_NAME).dsc
define EDK2_BUILD_CMDS
mkdir -p $(EDK2_BUILD_PACKAGES)
export $(EDK2_BUILD_ENV) && \
unset ARCH && \
source $(@D)/edksetup.sh && \
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/BaseTools $(EDK2_BASETOOLS_OPTS) && \
build $(EDK2_BUILD_OPTS) all
endef
define EDK2_INSTALL_IMAGES_CMDS
cp -f $(@D)/Build/$(EDK2_BUILD_DIR)/$(EDK2_BUILD_TYPE)_GCC5/FV/*.fd $(BINARIES_DIR)
endef
$(eval $(generic-package))
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