projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 5b83683f HY |
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> | |
| e5f930fe | 11 | #include <asm/nospec-branch.h> |
| 5b83683f | 12 | |
| 14b864f4 | 13 | SYM_FUNC_START(__efi_call) |
| 683ad809 LT |
14 | pushq %rbp |
| 15 | movq %rsp, %rbp | |
| e5f930fe | 16 | and $~0xf, %rsp |
| 683ad809 | 17 | mov 16(%rbp), %rax |
| 5b83683f HY |
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 | |
| 34fdce69 | 24 | CALL_NOSPEC rdi |
| e5f930fe | 25 | leave |
| f94909ce | 26 | RET |
| 14b864f4 | 27 | SYM_FUNC_END(__efi_call) |