MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.c

   1 /** @file
   2   EnableDisableInterrupts function
   3
   4   Copyright (c) 2006 - 2007, Intel Corporation<BR>
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 //
  16 // Include common header file for this module.
  17 //
  18
  19
  20 /**
  21   Enables CPU interrupts for the smallest window required to capture any
  22   pending interrupts.
  23
  24 **/
  25 VOID
  26 EFIAPI
  27 EnableDisableInterrupts (
  28   VOID
  29   )
  30 {
  31   _asm {
  32     sti
  33     nop
  34     nop
  35     cli
  36   }
  37 }
  38