blob: 027cccc30b78b1a061226ec8284a30adee46ef6d [file] [log] [blame]
/** @file
AsmReadMm1 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 #1 (MM1).
Reads and returns the current value of MM1. This function is only available
on IA-32 and x64.
@return The current value of MM1.
**/
UINT64
EFIAPI
AsmReadMm1 (
VOID
)
{
_asm {
push eax
push eax
movq [esp], mm1
pop eax
pop edx
emms
}
}