mirror of https://github.com/acidanthera/audk.git
40 lines
932 B
C
40 lines
932 B
C
/** @file
|
|
AsmWriteLdtr function
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation<BR>
|
|
All rights reserved. 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 Local Descriptor Table Register (GDTR) selector.
|
|
|
|
Writes and the current LDTR descriptor specified by Ldtr. This function is
|
|
only available on IA-32 and x64.
|
|
|
|
@param Ldtr 16-bit LDTR selector value.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
AsmWriteLdtr (
|
|
IN UINT16 Ldtr
|
|
)
|
|
{
|
|
_asm {
|
|
xor eax, eax
|
|
mov ax, Ldtr
|
|
lldt ax
|
|
}
|
|
}
|
|
|