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/** @file
AsmWriteIdtr function
Copyright (c) 2006 - 2010, 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.
**/
#include "BaseLibInternals.h"
/**
Writes the current Interrupt Descriptor Table Register(GDTR) descriptor.
Writes the current IDTR descriptor and returns it in Idtr. This function is
only available on IA-32 and x64.
@param Idtr The pointer to a IDTR descriptor.
**/
VOID
EFIAPI
InternalX86WriteIdtr (
IN CONST IA32_DESCRIPTOR *Idtr
)
{
_asm {
mov eax, Idtr
pushfd
cli
lidt fword ptr [eax]
popfd
}
}
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