efi_call5 47 include/asm-x86/efi.h extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3, efi_call5 64 include/asm-x86/efi.h efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ efi_call5 83 include/asm-x86/efi.h efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \