MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c

   1 /** @file
   2   MM Services Table Library.
   3
   4   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
   5   Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php.
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include <PiMm.h>
  17 #include <Library/MmServicesTableLib.h>
  18 #include <Library/DebugLib.h>
  19
  20 EFI_MM_SYSTEM_TABLE   *gMmst             = NULL;
  21
  22 /**
  23   The constructor function caches the pointer of the MM Services Table.
  24
  25   @param  ImageHandle   The firmware allocated handle for the EFI image.
  26   @param  SystemTable   A pointer to the EFI System Table.
  27
  28   @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
  29
  30 **/
  31 EFI_STATUS
  32 EFIAPI
  33 StandaloneMmServicesTableLibConstructor (
  34   IN EFI_HANDLE           ImageHandle,
  35   IN EFI_MM_SYSTEM_TABLE  *MmSystemTable
  36   )
  37 {
  38   gMmst = MmSystemTable;
  39   ASSERT (gMmst != NULL);
  40   return EFI_SUCCESS;
  41 }