1 /**@file 2 3 Copyright (c) 2006, 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 WinNtStuff.c 15 16 Abstract: 17 18 Tiano PEIM to abstract construction of firmware volume in a Windows NT environment. 19 20 Revision History 21 22 **/ 23 24 // 25 // The package level header files this module uses 26 // 27 #include <PiPei.h> 28 #include <WinNtPeim.h> 29 // 30 // The protocols, PPI and GUID defintions for this module 31 // 32 #include <Protocol/WinNtThunk.h> 33 #include <Ppi/NtThunk.h> 34 // 35 // The Library classes this module consumes 36 // 37 #include <Library/DebugLib.h> 38 #include <Library/PeimEntryPoint.h> 39 #include <Library/HobLib.h> 40 41 EFI_STATUS 42 EFIAPI 43 PeimInitializeWinNtThunkPPIToProtocolPeim ( 44 IN EFI_FFS_FILE_HEADER *FfsHeader, 45 IN EFI_PEI_SERVICES **PeiServices 46 ) 47 /*++ 48 49 Routine Description: 50 51 Perform a call-back into the SEC simulator to get NT Stuff 52 53 Arguments: 54 55 PeiServices - General purpose services available to every PEIM. 56 57 Returns: 58 59 None 60 61 --*/ 62 // TODO: FfsHeader - add argument and description to function comment 63 { 64 EFI_STATUS Status; 65 EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor; 66 PEI_NT_THUNK_PPI *PeiNtService; 67 VOID *Ptr; 68 69 DEBUG ((EFI_D_ERROR, "NT 32 WinNT Stuff PEIM Loaded\n")); 70 71 Status = (**PeiServices).LocatePpi ( 72 (const EFI_PEI_SERVICES **)PeiServices, 73 &gPeiNtThunkPpiGuid, // GUID 74 0, // INSTANCE 75 &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR 76 (VOID**)&PeiNtService // PPI 77 ); 78 ASSERT_EFI_ERROR (Status); 79 80 Ptr = PeiNtService->NtThunk (); 81 82 BuildGuidDataHob ( 83 &gEfiWinNtThunkProtocolGuid, // Guid 84 &Ptr, // Buffer 85 sizeof (VOID *) // Sizeof Buffer 86 ); 87 return Status; 88 } 89
