MdePkg/Library/BaseLib/X86ReadGdtr.c

   1 /** @file
   2   IA-32/x64 AsmReadGdtr()
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9
  10
  11
  12 #include "BaseLibInternals.h"
  13
  14 /**
  15   Reads the current Global Descriptor Table Register(GDTR) descriptor.
  16
  17   Reads and returns the current GDTR descriptor and returns it in Gdtr. This
  18   function is only available on IA-32 and x64.
  19
  20   If Gdtr is NULL, then ASSERT().
  21
  22   @param  Gdtr  The pointer to a GDTR descriptor.
  23
  24 **/
  25 VOID
  26 EFIAPI
  27 AsmReadGdtr (
  28   OUT     IA32_DESCRIPTOR           *Gdtr
  29   )
  30 {
  31   ASSERT (Gdtr != NULL);
  32   InternalX86ReadGdtr (Gdtr);
  33 }