summaryrefslogtreecommitdiff
path: root/MdePkg/Library/CpuLib/Ia32/CpuPause.c
blob: c62503ae1041c1c1b910b682917d26df79502927 (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
34
35
36
/** @file
  CpuPause function.

  Copyright (c) 2006 - 2007, Intel Corporation<BR>
  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.

**/


/**
  Places the CPU in a pause state until an interrupt is
  received.

  Places the CPU in a pause state until an interrupt is
  received. If interrupts are disabled prior to calling this
  function, then the CPU will be placed in a pause state
  indefinitely.

**/
VOID
EFIAPI
CpuPause (
  VOID
  )
{
  _asm {
    pause
  }
}