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 help 14 Select this option if you want to run EFI applications (like grub2) 15 on top of U-Boot. If this option is enabled, U-Boot will expose EFI 16 interfaces to a loaded EFI application, enabling it to reuse U-Boot's 17 device drivers. 18 19config EFI_LOADER_BOUNCE_BUFFER 20 bool "EFI Applications use bounce buffers for DMA operations" 21 depends on EFI_LOADER && ARM64 22 default n 23 help 24 Some hardware does not support DMA to full 64bit addresses. For this 25 hardware we can create a bounce buffer so that payloads don't have to 26 worry about platform details. 27