EdkUnixPkg/Library/DxeUnixLib/UnixLib.c

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. 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
  22
  23
  24 EFI_UNIX_THUNK_PROTOCOL *gUnix;
  25
  26 EFI_STATUS
  27 UnixLibConstructor (
  28   IN EFI_HANDLE        ImageHandle,
  29   IN EFI_SYSTEM_TABLE  *SystemTable
  30   )
  31 /*++
  32
  33 Routine Description:
  34
  35 Arguments:
  36
  37 Returns:
  38
  39 --*/
  40 {
  41   EFI_HOB_GUID_TYPE        *GuidHob;
  42
  43   GuidHob = GetFirstGuidHob (&gEfiUnixThunkProtocolGuid);
  44   ASSERT (GuidHob != NULL);
  45   gUnix = (EFI_UNIX_THUNK_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
  46   ASSERT (gUnix != NULL);
  47   return EFI_SUCCESS;
  48 }