mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-21 15:57:42 +01:00
7c0aa811ec
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
37 lines
554 B
C
37 lines
554 B
C
/** @file
|
|
AsmReadMm7 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 #7 (MM7).
|
|
|
|
Reads and returns the current value of MM7. This function is only available
|
|
on IA-32 and x64.
|
|
|
|
@return The current value of MM7.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
AsmReadMm7 (
|
|
VOID
|
|
)
|
|
{
|
|
_asm {
|
|
push eax
|
|
push eax
|
|
movq [esp], mm7
|
|
pop eax
|
|
pop edx
|
|
emms
|
|
}
|
|
}
|
|
|