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 UINTN
  16 EFIAPI
  17 AsmMonitor (
  18   IN      UINTN                     RegisterEax,
  19   IN      UINTN                     RegisterEcx,
  20   IN      UINTN                     RegisterEdx
  21   )
  22 {
  23   _asm {
  24     mov     eax, RegisterEax
  25     mov     ecx, RegisterEcx
  26     mov     edx, RegisterEdx
  27     _emit   0x0f             // monitor
  28     _emit   0x01
  29     _emit   0xc8
  30   }
  31 }
  32