diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseLib/Ia32/ReadMm6.c | |
| parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
| download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz | |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseLib/Ia32/ReadMm6.c')
| -rw-r--r-- | Core/MdePkg/Library/BaseLib/Ia32/ReadMm6.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ia32/ReadMm6.c b/Core/MdePkg/Library/BaseLib/Ia32/ReadMm6.c new file mode 100644 index 0000000000..c1d1065e05 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/Ia32/ReadMm6.c @@ -0,0 +1,42 @@ +/** @file
+ AsmReadMm6 function
+
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+ 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.
+
+**/
+
+
+
+
+/**
+ Reads the current value of 64-bit MMX Register #6 (MM6).
+
+ Reads and returns the current value of MM6. This function is only available
+ on IA-32 and x64.
+
+ @return The current value of MM6.
+
+**/
+UINT64
+EFIAPI
+AsmReadMm6 (
+ VOID
+ )
+{
+ _asm {
+ push eax
+ push eax
+ movq [esp], mm6
+ pop eax
+ pop edx
+ emms
+ }
+}
+
|