summaryrefslogtreecommitdiffstats
path: root/MdePkg/Library/BaseLib/X86ReadGdtr.c
blob: ca7c5de6a59b28ecb9e4d1de2acd2fbda18ca8a6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/** @file
  IA-32/x64 AsmReadGdtr()

  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.

  If Gdtr is NULL, then ASSERT().

  @param  Gdtr  The pointer to a GDTR descriptor.

**/
VOID
EFIAPI
AsmReadGdtr (
  OUT     IA32_DESCRIPTOR           *Gdtr
  )
{
  ASSERT (Gdtr != NULL);
  InternalX86ReadGdtr (Gdtr);
}