1 /*++ @file
2
3 Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
4 Portions copyright (c) 2011, Apple Inc. All rights reserved.
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13
14 **/
15 #include <PiDxe.h>
16
17 #include <Protocol/DevicePath.h>
18 #include <Protocol/EmuThunk.h>
19
20 #include <Library/DebugLib.h>
21 #include <Library/UefiLib.h>
22 #include <Library/UefiDriverEntryPoint.h>
23 #include <Library/EmuThunkLib.h>
24 #include <Library/MemoryAllocationLib.h>
25 #include <Library/UefiBootServicesTableLib.h>
26 #include <Library/DevicePathLib.h>
27
28 //
29 // EmuThunk Device Path Protocol Instance
30 //
31 EMU_THUNK_DEVICE_PATH mEmuThunkDevicePath = {
32 {
33 {
34 {
35 HARDWARE_DEVICE_PATH,
36 HW_VENDOR_DP,
37 {
38 (UINT8) (sizeof (EMU_VENDOR_DEVICE_PATH_NODE)),
39 (UINT8) ((sizeof (EMU_VENDOR_DEVICE_PATH_NODE)) >> 8)
40 }
41 },
42 EMU_THUNK_PROTOCOL_GUID
43 },
44 0
45 },
46 {
47 END_DEVICE_PATH_TYPE,
48 END_ENTIRE_DEVICE_PATH_SUBTYPE,
49 {
50 END_DEVICE_PATH_LENGTH,
51 0
52 }
53 }
54 };
55
56
57 EFI_STATUS
58 EFIAPI
InitializeEmuThunk(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)59 InitializeEmuThunk (
60 IN EFI_HANDLE ImageHandle,
61 IN EFI_SYSTEM_TABLE *SystemTable
62 )
63 /*++
64
65 Routine Description:
66 Install UnixThunk Protocol and it's associated Device Path protocol
67
68 Arguments:
69 (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
70
71 Returns:
72 EFI_SUCEESS - UnixThunk protocol is added or error status from
73 gBS->InstallMultiProtocolInterfaces().
74
75 **/
76 {
77 EFI_STATUS Status;
78 EFI_HANDLE Handle;
79
80 Handle = NULL;
81 Status = gBS->InstallMultipleProtocolInterfaces (
82 &Handle,
83 &gEmuThunkProtocolGuid, gEmuThunk,
84 &gEfiDevicePathProtocolGuid, &mEmuThunkDevicePath,
85 NULL
86 );
87
88 return Status;
89 }
90