blob: 8f6d6122c4c1f56f0e304e92ce4bf4e159000be8 [file] [log] [blame]
/** @file
AsmReadGdtr function
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "BaseLibInternals.h"
/**
Reads the current Global Descriptor Table Register(GDTR) descriptor.
Reads and returns the current GDTR descriptor and returns it in Gdtr. This
function is only available on IA-32 and x64.
@param Gdtr The pointer to a GDTR descriptor.
**/
VOID
EFIAPI
InternalX86ReadGdtr (
OUT IA32_DESCRIPTOR *Gdtr
)
{
_asm {
mov eax, Gdtr
sgdt fword ptr [eax]
}
}