EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/Monitor.c

   1 /**
   2   AsmMonitor function
   3
   4   Copyright (c) 2006 - 2007, Intel Corporation
   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 #include "BaseLibInternals.h"
  16
  17 UINTN
  18 EFIAPI
  19 AsmMonitor (
  20   IN      UINTN                     RegisterEax,
  21   IN      UINTN                     RegisterEcx,
  22   IN      UINTN                     RegisterEdx
  23   )
  24 {
  25   _asm {
  26     mov     eax, RegisterEax
  27     mov     ecx, RegisterEcx
  28     mov     edx, RegisterEdx
  29     _emit   0x0f             // monitor
  30     _emit   0x01
  31     _emit   0xc8
  32   }
  33 }
  34