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path: root/MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.c
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/** @file
  DXE Library.

  Copyright (c) 2006, Intel Corporation<BR>
  All rights reserved. This program and the accompanying materials                          
  are licensed and made available under the terms and conditions of the BSD License         
  which accompanies this distribution.  The full text of the license may be found at        
  http://opensource.org/licenses/bsd-license.php                                            

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             

  Module Name:  DxeServicesTableLib.c

**/



EFI_DXE_SERVICES  *gDS      = NULL;

/**
  The constructor function caches the pointer of System Configuration Table.
  
  The constructor function caches the pointer of System Configuration Table. 
  It will ASSERT() if that operation fails.
  It will ASSERT() if the pointer of System Configuration Table is NULL.
  It will always return EFI_SUCCESS.

  @param  ImageHandle   The firmware allocated handle for the EFI image.
  @param  SystemTable   A pointer to the EFI System Table.
  
  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.

**/
EFI_STATUS
DxeServicesTableLibConstructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;

  Status = EfiGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);
  ASSERT_EFI_ERROR (Status);
  ASSERT (gDS != NULL);

  return Status;
}