MdePkg/Library/BaseLib/Ia32/Monitor.c

   1 /** @file
   2   AsmMonitor 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 #include "CommonHeader.h"
  19
  20 UINTN
  21 EFIAPI
  22 AsmMonitor (
  23   IN      UINTN                     RegisterEax,
  24   IN      UINTN                     RegisterEcx,
  25   IN      UINTN                     RegisterEdx
  26   )
  27 {
  28   _asm {
  29     mov     eax, RegisterEax
  30     mov     ecx, RegisterEcx
  31     mov     edx, RegisterEdx
  32     _emit   0x0f             // monitor
  33     _emit   0x01
  34     _emit   0xc8
  35   }
  36 }
  37