Nt32Pkg/Library/DxeWinNtLib/WinNtLib.c

   1 /**@file
   2
   3 Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
   4 SPDX-License-Identifier: BSD-2-Clause-Patent
   5
   6 Module Name:
   7
   8   WinNtLib.c
   9
  10 Abstract:
  11
  12   WinNt Library
  13
  14 **/
  15
  16 #include <PiDxe.h>
  17 #include <WinNtDxe.h>
  18 #include <Library/WinNtLib.h>
  19 #include <Library/DebugLib.h>
  20 #include <Library/HobLib.h>
  21
  22
  23 EFI_WIN_NT_THUNK_PROTOCOL *gWinNt;
  24
  25 EFI_STATUS
  26 WinNtLibConstructor (
  27   IN EFI_HANDLE        ImageHandle,
  28   IN EFI_SYSTEM_TABLE  *SystemTable
  29   )
  30 /*++
  31
  32 Routine Description:
  33
  34 Arguments:
  35
  36 Returns:
  37
  38 --*/
  39 {
  40   EFI_HOB_GUID_TYPE        *GuidHob;
  41
  42   GuidHob = GetFirstGuidHob (&gEfiWinNtThunkProtocolGuid);
  43   ASSERT (GuidHob != NULL);
  44   gWinNt = (EFI_WIN_NT_THUNK_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
  45   ASSERT (gWinNt != NULL);
  46   return EFI_SUCCESS;
  47 }