kumquat-buildroot/boot/grub2/grub2.mk
Julien Olivain f439b47ed6 boot/grub2: add RISC-V 64bit EFI support
Grub can be built as a RISC-V UEFI application since commit [1]. This
commit was first included in grub version 2.04.

This commit enables this support.

[1] https://git.savannah.gnu.org/gitweb/?p=grub.git;a=commitdiff;h=f1957dc8a3347278a095bc8f44197662559a8ba3

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2023-12-24 17:55:23 +01:00

198 lines
7.2 KiB
Makefile

################################################################################
#
# grub2
#
################################################################################
GRUB2_VERSION = 2.12
GRUB2_SITE = http://ftp.gnu.org/gnu/grub
GRUB2_SOURCE = grub-$(GRUB2_VERSION).tar.xz
GRUB2_LICENSE = GPL-3.0+
GRUB2_LICENSE_FILES = COPYING
GRUB2_DEPENDENCIES = host-bison host-flex host-gawk host-grub2
HOST_GRUB2_DEPENDENCIES = host-bison host-flex host-gawk
GRUB2_INSTALL_IMAGES = YES
# CVE-2019-14865 is about a flaw in the grub2-set-bootflag tool, which
# doesn't exist upstream, but is added by the Redhat/Fedora
# packaging. Not applicable to Buildroot.
GRUB2_IGNORE_CVES += CVE-2019-14865
# CVE-2020-15705 is related to a flaw in the use of the
# grub_linuxefi_secure_validate(), which was added by Debian/Ubuntu
# patches. The issue doesn't affect upstream Grub, and
# grub_linuxefi_secure_validate() is not implemented in the grub2
# version available in Buildroot.
GRUB2_IGNORE_CVES += CVE-2020-15705
# vulnerability is specific to the SUSE distribution
GRUB2_IGNORE_CVES += CVE-2021-46705
ifeq ($(BR2_TARGET_GRUB2_INSTALL_TOOLS),y)
GRUB2_INSTALL_TARGET = YES
else
GRUB2_INSTALL_TARGET = NO
endif
GRUB2_CPE_ID_VENDOR = gnu
GRUB2_BUILTIN_MODULES_PC = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES_PC))
GRUB2_BUILTIN_MODULES_EFI = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES_EFI))
GRUB2_BUILTIN_CONFIG_PC = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_CONFIG_PC))
GRUB2_BUILTIN_CONFIG_EFI = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_CONFIG_EFI))
GRUB2_BOOT_PARTITION = $(call qstrip,$(BR2_TARGET_GRUB2_BOOT_PARTITION))
GRUB2_IMAGE_i386-pc = $(BINARIES_DIR)/grub.img
GRUB2_CFG_i386-pc = $(TARGET_DIR)/boot/grub/grub.cfg
GRUB2_PREFIX_i386-pc = ($(GRUB2_BOOT_PARTITION))/boot/grub
GRUB2_TARGET_i386-pc = i386
GRUB2_PLATFORM_i386-pc = pc
GRUB2_BUILTIN_CONFIG_i386-pc = $(GRUB2_BUILTIN_CONFIG_PC)
GRUB2_BUILTIN_MODULES_i386-pc = $(GRUB2_BUILTIN_MODULES_PC)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_I386_PC) += i386-pc
GRUB2_IMAGE_i386-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootia32.efi
GRUB2_CFG_i386-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
GRUB2_PREFIX_i386-efi = /EFI/BOOT
GRUB2_TARGET_i386-efi = i386
GRUB2_PLATFORM_i386-efi = efi
GRUB2_BUILTIN_CONFIG_i386-efi = $(GRUB2_BUILTIN_CONFIG_EFI)
GRUB2_BUILTIN_MODULES_i386-efi = $(GRUB2_BUILTIN_MODULES_EFI)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_I386_EFI) += i386-efi
GRUB2_IMAGE_x86_64-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootx64.efi
GRUB2_CFG_x86_64-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
GRUB2_PREFIX_x86_64-efi = /EFI/BOOT
GRUB2_TARGET_x86_64-efi = x86_64
GRUB2_PLATFORM_x86_64-efi = efi
GRUB2_BUILTIN_CONFIG_x86_64-efi = $(GRUB2_BUILTIN_CONFIG_EFI)
GRUB2_BUILTIN_MODULES_x86_64-efi = $(GRUB2_BUILTIN_MODULES_EFI)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_X86_64_EFI) += x86_64-efi
GRUB2_IMAGE_arm-uboot = $(BINARIES_DIR)/boot-part/grub/grub.img
GRUB2_CFG_arm-uboot = $(BINARIES_DIR)/boot-part/grub/grub.cfg
GRUB2_PREFIX_arm-uboot = ($(GRUB2_BOOT_PARTITION))/boot/grub
GRUB2_TARGET_arm-uboot = arm
GRUB2_PLATFORM_arm-uboot = uboot
GRUB2_BUILTIN_CONFIG_arm-uboot = $(GRUB2_BUILTIN_CONFIG_PC)
GRUB2_BUILTIN_MODULES_arm-uboot = $(GRUB2_BUILTIN_MODULES_PC)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_ARM_UBOOT) += arm-uboot
GRUB2_IMAGE_arm-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootarm.efi
GRUB2_CFG_arm-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
GRUB2_PREFIX_arm-efi = /EFI/BOOT
GRUB2_TARGET_arm-efi = arm
GRUB2_PLATFORM_arm-efi = efi
GRUB2_BUILTIN_CONFIG_arm-efi = $(GRUB2_BUILTIN_CONFIG_EFI)
GRUB2_BUILTIN_MODULES_arm-efi = $(GRUB2_BUILTIN_MODULES_EFI)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_ARM_EFI) += arm-efi
GRUB2_IMAGE_arm64-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootaa64.efi
GRUB2_CFG_arm64-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
GRUB2_PREFIX_arm64-efi = /EFI/BOOT
GRUB2_TARGET_arm64-efi = aarch64
GRUB2_PLATFORM_arm64-efi = efi
GRUB2_BUILTIN_CONFIG_arm64-efi = $(GRUB2_BUILTIN_CONFIG_EFI)
GRUB2_BUILTIN_MODULES_arm64-efi = $(GRUB2_BUILTIN_MODULES_EFI)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_ARM64_EFI) += arm64-efi
GRUB2_IMAGE_riscv64-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootriscv64.efi
GRUB2_CFG_riscv64-efi = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
GRUB2_PREFIX_riscv64-efi = /EFI/BOOT
GRUB2_TARGET_riscv64-efi = riscv64
GRUB2_PLATFORM_riscv64-efi = efi
GRUB2_BUILTIN_CONFIG_riscv64-efi = $(GRUB2_BUILTIN_CONFIG_EFI)
GRUB2_BUILTIN_MODULES_riscv64-efi = $(GRUB2_BUILTIN_MODULES_EFI)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_RISCV64_EFI) += riscv64-efi
# Grub2 is kind of special: it considers CC, LD and so on to be the
# tools to build the host programs and uses TARGET_CC, TARGET_CFLAGS,
# TARGET_CPPFLAGS, TARGET_LDFLAGS to build the bootloader itself.
#
# NOTE: TARGET_STRIP is overridden by !BR2_STRIP_strip, so always
# use the cross compile variant to ensure grub2 builds
HOST_GRUB2_CONF_ENV = \
CPP="$(HOSTCC) -E"
GRUB2_CONF_ENV = \
CPP="$(TARGET_CC) -E" \
TARGET_CC="$(TARGET_CC)" \
CFLAGS="$(TARGET_CFLAGS) -Os" \
TARGET_CFLAGS="$(TARGET_CFLAGS) -Os" \
CPPFLAGS="$(TARGET_CPPFLAGS) -Os -fno-stack-protector" \
TARGET_CPPFLAGS="$(TARGET_CPPFLAGS) -Os -fno-stack-protector" \
TARGET_LDFLAGS="$(TARGET_LDFLAGS) -Os" \
TARGET_NM="$(TARGET_NM)" \
TARGET_OBJCOPY="$(TARGET_OBJCOPY)" \
TARGET_STRIP="$(TARGET_CROSS)strip"
HOST_GRUB2_CONF_OPTS = \
--with-platform=none \
--disable-grub-mkfont \
--enable-efiemu=no \
ac_cv_lib_lzma_lzma_code=no \
--enable-device-mapper=no \
--enable-libzfs=no \
--disable-werror
define GRUB2_CONFIGURE_CMDS
$(foreach tuple, $(GRUB2_TUPLES-y), \
@$(call MESSAGE,Configuring $(tuple))
mkdir -p $(@D)/build-$(tuple)
cd $(@D)/build-$(tuple) && \
$(TARGET_CONFIGURE_OPTS) \
$(TARGET_CONFIGURE_ARGS) \
$(GRUB2_CONF_ENV) \
../configure \
--target=$(GRUB2_TARGET_$(tuple)) \
--with-platform=$(GRUB2_PLATFORM_$(tuple)) \
--host=$(GNU_TARGET_NAME) \
--build=$(GNU_HOST_NAME) \
--prefix=/ \
--exec-prefix=/ \
--disable-grub-mkfont \
--enable-efiemu=no \
ac_cv_lib_lzma_lzma_code=no \
--enable-device-mapper=no \
--enable-libzfs=no \
--disable-werror
)
endef
define GRUB2_BUILD_CMDS
$(foreach tuple, $(GRUB2_TUPLES-y), \
@$(call MESSAGE,Building $(tuple))
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/build-$(tuple)
)
endef
define GRUB2_INSTALL_IMAGES_CMDS
$(foreach tuple, $(GRUB2_TUPLES-y), \
@$(call MESSAGE,Installing $(tuple) to images directory)
mkdir -p $(dir $(GRUB2_IMAGE_$(tuple)))
$(HOST_DIR)/bin/grub-mkimage \
-d $(@D)/build-$(tuple)/grub-core/ \
-O $(tuple) \
-o $(GRUB2_IMAGE_$(tuple)) \
-p "$(GRUB2_PREFIX_$(tuple))" \
$(if $(GRUB2_BUILTIN_CONFIG_$(tuple)), \
-c $(GRUB2_BUILTIN_CONFIG_$(tuple))) \
$(GRUB2_BUILTIN_MODULES_$(tuple))
$(INSTALL) -D -m 0644 boot/grub2/grub.cfg $(GRUB2_CFG_$(tuple))
$(if $(findstring $(GRUB2_PLATFORM_$(tuple)), pc), \
cat $(@D)/build-$(tuple)/grub-core/cdboot.img $(GRUB2_IMAGE_$(tuple)) > \
$(BINARIES_DIR)/grub-eltorito.img
) \
)
endef
ifeq ($(BR2_TARGET_GRUB2_INSTALL_TOOLS),y)
define GRUB2_INSTALL_TARGET_CMDS
$(foreach tuple, $(GRUB2_TUPLES-y), \
@$(call MESSAGE,Installing $(tuple) to target directory)
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/build-$(tuple) DESTDIR=$(TARGET_DIR) install
)
endef
endif
$(eval $(generic-package))
$(eval $(host-autotools-package))