1 /*++ @file
2 UEFI/PI PEIM to abstract construction of firmware volume in a Unix environment.
3
4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
5 Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
6 SPDX-License-Identifier: BSD-2-Clause-Patent
7
8 **/
9
10 #include <PiPei.h>
11
12 #include <Library/DebugLib.h>
13 #include <Library/PeimEntryPoint.h>
14 #include <Library/HobLib.h>
15 #include <Library/PeiServicesLib.h>
16 #include <Library/PeiServicesTablePointerLib.h>
17
18 #include <Ppi/EmuThunk.h>
19 #include <Protocol/EmuThunk.h>
20
21
22
23 EFI_STATUS
24 EFIAPI
PeiInitialzeThunkPpiToProtocolPei(IN EFI_PEI_FILE_HANDLE FileHandle,IN CONST EFI_PEI_SERVICES ** PeiServices)25 PeiInitialzeThunkPpiToProtocolPei (
26 IN EFI_PEI_FILE_HANDLE FileHandle,
27 IN CONST EFI_PEI_SERVICES **PeiServices
28 )
29 /*++
30
31 Routine Description:
32
33 Perform a call-back into the SEC simulator to get Unix Stuff
34
35 Arguments:
36
37 PeiServices - General purpose services available to every PEIM.
38
39 Returns:
40
41 None
42
43 **/
44 {
45 EFI_STATUS Status;
46 EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
47 EMU_THUNK_PPI *Thunk;
48 VOID *Ptr;
49
50 DEBUG ((EFI_D_ERROR, "Emu Thunk PEIM Loaded\n"));
51
52 Status = PeiServicesLocatePpi (
53 &gEmuThunkPpiGuid, // GUID
54 0, // INSTANCE
55 &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
56 (VOID **)&Thunk // PPI
57 );
58 ASSERT_EFI_ERROR (Status);
59
60 Ptr = Thunk->Thunk ();
61
62 BuildGuidDataHob (
63 &gEmuThunkProtocolGuid, // Guid
64 &Ptr, // Buffer
65 sizeof (VOID *) // Sizeof Buffer
66 );
67 return Status;
68 }
69