projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 9b3ca509 TL |
1 | ;------------------------------------------------------------------------------\r |
| 2 | ;\r | |
| 3 | ; Copyright (C) 2020, Advanced Micro Devices, Inc. All rights reserved.<BR>\r | |
| 4 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 5 | ;\r | |
| 6 | ; Module Name:\r | |
| 7 | ;\r | |
| 8 | ; XGetBv.Asm\r | |
| 9 | ;\r | |
| 10 | ; Abstract:\r | |
| 11 | ;\r | |
| 12 | ; AsmXgetBv function\r | |
| 13 | ;\r | |
| 14 | ; Notes:\r | |
| 15 | ;\r | |
| 16 | ;------------------------------------------------------------------------------\r | |
| 17 | \r | |
| 18 | DEFAULT REL\r | |
| 19 | SECTION .text\r | |
| 20 | \r | |
| 21 | ;------------------------------------------------------------------------------\r | |
| 22 | ; UINT64\r | |
| 23 | ; EFIAPI\r | |
| 24 | ; AsmXGetBv (\r | |
| 25 | ; IN UINT32 Index\r | |
| 26 | ; );\r | |
| 27 | ;------------------------------------------------------------------------------\r | |
| 28 | global ASM_PFX(AsmXGetBv)\r | |
| 29 | ASM_PFX(AsmXGetBv):\r | |
| 30 | xgetbv\r | |
| 31 | shl rdx, 32\r | |
| 32 | or rax, rdx\r | |
| 33 | ret\r | |
| 34 | \r |