UnixPkg/Library/DxeUnixLib/UnixLib.c

   1 /*++
   2
   3 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   UnixLib.c
  15
  16 Abstract:
  17
  18   Unix Library
  19
  20 --*/
  21 #include "PiDxe.h"
  22 #include "UnixDxe.h"
  23 #include <Library/UnixLib.h>
  24 #include <Library/DebugLib.h>
  25 #include <Library/HobLib.h>
  26
  27 EFI_UNIX_THUNK_PROTOCOL *gUnix;
  28
  29 EFI_STATUS
  30 UnixLibConstructor (
  31   IN EFI_HANDLE        ImageHandle,
  32   IN EFI_SYSTEM_TABLE  *SystemTable
  33   )
  34 /*++
  35
  36 Routine Description:
  37
  38 Arguments:
  39
  40 Returns:
  41
  42 --*/
  43 {
  44   EFI_HOB_GUID_TYPE        *GuidHob;
  45
  46   GuidHob = GetFirstGuidHob (&gEfiUnixThunkProtocolGuid);
  47   ASSERT (GuidHob != NULL);
  48   gUnix = (EFI_UNIX_THUNK_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
  49   ASSERT (gUnix != NULL);
  50   return EFI_SUCCESS;
  51 }