1config EFI_LOADER 2 bool "Support running EFI Applications in U-Boot" 3 depends on (ARM || X86 || RISCV) && OF_LIBFDT 4 # We do not support bootefi booting ARMv7 in non-secure mode 5 depends on !ARMV7_NONSEC 6 # We need EFI_STUB_64BIT to be set on x86_64 with EFI_STUB 7 depends on !EFI_STUB || !X86_64 || EFI_STUB_64BIT 8 # We need EFI_STUB_32BIT to be set on x86_32 with EFI_STUB 9 depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT 10 default y 11 select LIB_UUID 12 select HAVE_BLOCK_DEVICE 13 imply CFB_CONSOLE_ANSI 14 help 15 Select this option if you want to run EFI applications (like grub2) 16 on top of U-Boot. If this option is enabled, U-Boot will expose EFI 17 interfaces to a loaded EFI application, enabling it to reuse U-Boot's 18 device drivers. 19 20config EFI_LOADER_BOUNCE_BUFFER 21 bool "EFI Applications use bounce buffers for DMA operations" 22 depends on EFI_LOADER && ARM64 23 default n 24 help 25 Some hardware does not support DMA to full 64bit addresses. For this 26 hardware we can create a bounce buffer so that payloads don't have to 27 worry about platform details. 28