x86readidtr.c

来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· C语言 代码 · 共 45 行

/*++

Copyright (c) 2004 - 2006, Intel Corporation                                                         
All rights reserved. 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.  


Module Name:

  x86ReadIdtr.c
  
Abstract: 

  IA-32/x64 specific functions.

--*/

#include "BaseLibInternal.h"

/**
  Reads the current Interrupt Descriptor Table Register(GDTR) descriptor.

  Reads and returns the current IDTR descriptor and returns it in Idtr. This
  function is only available on IA-32 and X64.

  If Idtr is NULL, then ASSERT().

  @param  Idtr  Pointer to a IDTR descriptor.

**/
VOID
EFIAPI
AsmReadIdtr (
  OUT     IA32_DESCRIPTOR           *Idtr
  )
{
  ASSERT (Idtr != NULL);
  InternalX86ReadIdtr (Idtr);
}