| /** @file | |
| AsmReadMm4 function | |
| Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| /** | |
| Reads the current value of 64-bit MMX Register #4 (MM4). | |
| Reads and returns the current value of MM4. This function is only available | |
| on IA-32 and x64. | |
| @return The current value of MM4. | |
| **/ | |
| UINT64 | |
| EFIAPI | |
| AsmReadMm4 ( | |
| VOID | |
| ) | |
| { | |
| _asm { | |
| push eax | |
| push eax | |
| movq [esp], mm4 | |
| pop eax | |
| pop edx | |
| emms | |
| } | |
| } |