| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Function calling ABI conversion from Linux to EFI for x86_64 | |
| * | |
| * Copyright (C) 2007 Intel Corp | |
| * Bibo Mao <bibo.mao@intel.com> | |
| * Huang Ying <ying.huang@intel.com> | |
| */ | |
| #include <linux/linkage.h> | |
| #include <asm/nospec-branch.h> | |
| SYM_FUNC_START(__efi_call) | |
| pushq %rbp | |
| movq %rsp, %rbp | |
| and $~0xf, %rsp | |
| mov 16(%rbp), %rax | |
| subq $48, %rsp | |
| mov %r9, 32(%rsp) | |
| mov %rax, 40(%rsp) | |
| mov %r8, %r9 | |
| mov %rcx, %r8 | |
| mov %rsi, %rcx | |
| CALL_NOSPEC rdi | |
| leave | |
| ret | |
| SYM_FUNC_END(__efi_call) |