From 1760cf81e4b1847c6823ea3514a78dd120e19b6e Mon Sep 17 00:00:00 2001 From: Guo Mang Date: Thu, 22 Dec 2016 15:57:14 +0800 Subject: MdePkg: Move to new location Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Guo Mang --- Core/MdePkg/Library/BaseLib/Ia32/WriteMm2.c | 38 +++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Core/MdePkg/Library/BaseLib/Ia32/WriteMm2.c (limited to 'Core/MdePkg/Library/BaseLib/Ia32/WriteMm2.c') diff --git a/Core/MdePkg/Library/BaseLib/Ia32/WriteMm2.c b/Core/MdePkg/Library/BaseLib/Ia32/WriteMm2.c new file mode 100644 index 0000000000..64e2672089 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/Ia32/WriteMm2.c @@ -0,0 +1,38 @@ +/** @file + AsmWriteMm2 function + + Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
+ This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php. + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + + + + +/** + Writes the current value of 64-bit MMX Register #2 (MM2). + + Writes the current value of MM2. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM2. + +**/ +VOID +EFIAPI +AsmWriteMm2 ( + IN UINT64 Value + ) +{ + _asm { + movq mm2, qword ptr [Value] + emms + } +} + -- cgit v1.2.3