MdePkg/Library/BaseLib/X86ReadIdtr.c

   1 /** @file
   2   IA-32/x64 AsmReadIdtr()
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include "BaseLibInternals.h"
  10
  11 /**
  12   Reads the current Interrupt Descriptor Table Register(IDTR) descriptor.
  13
  14   Reads and returns the current IDTR descriptor and returns it in Idtr. This
  15   function is only available on IA-32 and x64.
  16
  17   If Idtr is NULL, then ASSERT().
  18
  19   @param  Idtr  The pointer to a IDTR descriptor.
  20
  21 **/
  22 VOID
  23 EFIAPI
  24 AsmReadIdtr (
  25   OUT     IA32_DESCRIPTOR  *Idtr
  26   )
  27 {
  28   ASSERT (Idtr != NULL);
  29   InternalX86ReadIdtr (Idtr);
  30 }