CloverBootloader/MdePkg/Library/BaseLib/Ia32/WriteMm4.c
2019-09-03 12:58:42 +03:00

32 lines
512 B
C

/** @file
AsmWriteMm4 function
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
/**
Writes the current value of 64-bit MMX Register #4 (MM4).
Writes the current value of MM4. This function is only available on IA32 and
x64.
@param Value The 64-bit value to write to MM4.
**/
VOID
EFIAPI
AsmWriteMm4 (
IN UINT64 Value
)
{
_asm {
movq mm4, qword ptr [Value]
emms
}
}