@@ -4,6 +4,7 @@ config BR2_TARGET_GRUB2_ARCH_SUPPORTS
default y if BR2_x86_64
default y if BR2_arm
default y if BR2_aarch64
+ default y if BR2_RISCV_64
depends on BR2_USE_MMU
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
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
comment "Options for the x86 legacy BIOS or ARM U-Boot support"
@@ -93,6 +93,15 @@ 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.
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> --- boot/grub2/Config.in | 10 ++++++++++ boot/grub2/grub2.mk | 9 +++++++++ 2 files changed, 19 insertions(+)