efi_call4 46 include/asm-x86/efi.h extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4); efi_call4 61 include/asm-x86/efi.h efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \ efi_call4 80 include/asm-x86/efi.h efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \