1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Function calling ABI conversion from Linux to EFI for x86_64 4 * 5 * Copyright (C) 2007 Intel Corp 6 * Bibo Mao <bibo.mao@intel.com> 7 * Huang Ying <ying.huang@intel.com> 8 */ 9 10#include <linux/linkage.h> 11#include <asm/nospec-branch.h> 12 13SYM_FUNC_START(__efi_call) 14 pushq %rbp 15 movq %rsp, %rbp 16 and $~0xf, %rsp 17 mov 16(%rbp), %rax 18 subq $48, %rsp 19 mov %r9, 32(%rsp) 20 mov %rax, 40(%rsp) 21 mov %r8, %r9 22 mov %rcx, %r8 23 mov %rsi, %rcx 24 CALL_NOSPEC rdi 25 leave 26 RET 27SYM_FUNC_END(__efi_call) 28