audk/MdePkg/Library/BaseLib/Ia32/WriteMm3.c

39 lines
891 B
C

/** @file
AsmWriteMm3 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.
**/
/**
Writes the current value of 64-bit MMX Register #3 (MM3).
Writes the current value of MM3. This function is only available on IA32 and
x64.
@param Value The 64-bit value to write to MM3.
**/
VOID
EFIAPI
AsmWriteMm3 (
IN UINT64 Value
)
{
_asm {
movq mm3, qword ptr [Value]
emms
}
}