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boot/grub2: add RISC-V 64bit EFI support

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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>
This commit is contained in:
Julien Olivain 2023-12-23 22:29:47 +01:00 committed by Yann E. MORIN
parent adf58f26be
commit f439b47ed6
2 changed files with 19 additions and 0 deletions
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10
boot/grub2/Config.in
View File

@ -4,6 +4,7 @@ config BR2_TARGET_GRUB2_ARCH_SUPPORTS
default y if BR2_x86_64 default y if BR2_x86_64
default y if BR2_arm default y if BR2_arm
default y if BR2_aarch64 default y if BR2_aarch64
default y if BR2_RISCV_64
depends on BR2_USE_MMU depends on BR2_USE_MMU
config BR2_TARGET_GRUB2 config BR2_TARGET_GRUB2
@ -102,6 +103,15 @@ config BR2_TARGET_GRUB2_ARM64_EFI
Aarch64 platform and you want to boot Grub 2 as an EFI Aarch64 platform and you want to boot Grub 2 as an EFI
application. application.
config BR2_TARGET_GRUB2_RISCV64_EFI
bool "riscv64-efi"
depends on BR2_RISCV_64
select BR2_TARGET_GRUB2_HAS_EFI_BOOT
help
Select this option if the platform you're targetting is a
64bit RISC-V platform and you want to boot Grub 2 as an EFI
application.
if BR2_TARGET_GRUB2_HAS_LEGACY_BOOT if BR2_TARGET_GRUB2_HAS_LEGACY_BOOT
comment "Options for the x86 legacy BIOS or ARM U-Boot support" comment "Options for the x86 legacy BIOS or ARM U-Boot support"

9
boot/grub2/grub2.mk
View File

@ -93,6 +93,15 @@ GRUB2_BUILTIN_CONFIG_arm64-efi = $(GRUB2_BUILTIN_CONFIG_EFI)
GRUB2_BUILTIN_MODULES_arm64-efi = $(GRUB2_BUILTIN_MODULES_EFI) GRUB2_BUILTIN_MODULES_arm64-efi = $(GRUB2_BUILTIN_MODULES_EFI)
GRUB2_TUPLES-$(BR2_TARGET_GRUB2_ARM64_EFI) += arm64-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 # 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, # tools to build the host programs and uses TARGET_CC, TARGET_CFLAGS,
# TARGET_CPPFLAGS, TARGET_LDFLAGS to build the bootloader itself. # TARGET_CPPFLAGS, TARGET_LDFLAGS to build the bootloader itself.