IntelFrameworkPkg/Library/SmmLibNull/SmmLibNull.c

   1 /** @file
   2   NULL instance of SMM Library.
   3
   4   Copyright (c) 2009, 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 #include <Base.h>
  16 #include <Library/SmmLib.h>
  17
  18 /**
  19   Triggers an SMI at boot time.
  20
  21   This function triggers a software SMM interrupt at boot time.
  22
  23 **/
  24 VOID
  25 EFIAPI
  26 TriggerBootServiceSoftwareSmi (
  27   VOID
  28   )
  29 {
  30   return;
  31 }
  32
  33
  34 /**
  35   Triggers an SMI at run time.
  36
  37   This function triggers a software SMM interrupt at run time.
  38
  39 **/
  40 VOID
  41 EFIAPI
  42 TriggerRuntimeSoftwareSmi (
  43   VOID
  44   )
  45 {
  46   return;
  47 }
  48
  49
  50
  51 /**
  52   Test if a boot time software SMI happened.
  53
  54   This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and
  55   it was triggered at boot time, it returns TRUE. Otherwise, it returns FALSE.
  56
  57   @retval TRUE   A software SMI triggered at boot time happened.
  58   @retval FLASE  No software SMI happened or the software SMI was triggered at run time.
  59
  60 **/
  61 BOOLEAN
  62 EFIAPI
  63 IsBootServiceSoftwareSmi (
  64   VOID
  65   )
  66 {
  67   return FALSE;
  68 }
  69
  70
  71 /**
  72   Test if a run time software SMI happened.
  73
  74   This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and
  75   it was triggered at run time, it returns TRUE. Otherwise, it returns FALSE.
  76
  77   @retval TRUE   A software SMI triggered at run time happened.
  78   @retval FLASE  No software SMI happened or the software SMI was triggered at boot time.
  79
  80 **/
  81 BOOLEAN
  82 EFIAPI
  83 IsRuntimeSoftwareSmi (
  84   VOID
  85   )
  86 {
  87   return FALSE;
  88 }
  89