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562d2849 | 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 | DevicePathDriver.c | |
15 | ||
16 | Abstract: | |
17 | ||
18 | Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol | |
19 | and DevPathToText Protocol. | |
20 | ||
21 | --*/ | |
22 | ||
562d2849 | 23 | #include "DevicePath.h" |
24 | ||
e99aa5a2 | 25 | EFI_HANDLE mDevicePathHandle = NULL; |
26 | ||
27 | GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {\r | |
28 | GetDevicePathSizeProtocolInterface, | |
29 | DuplicateDevicePathProtocolInterface, | |
30 | AppendDevicePathProtocolInterface, | |
31 | AppendDeviceNodeProtocolInterface, | |
32 | AppendDevicePathInstanceProtocolInterface, | |
33 | GetNextDevicePathInstanceProtocolInterface, | |
34 | IsDevicePathMultiInstanceProtocolInterface, | |
35 | CreateDeviceNodeProtocolInterface | |
36 | };\r | |
37 | \r | |
38 | GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_TO_TEXT_PROTOCOL mDevicePathToText = {\r | |
39 | ConvertDeviceNodeToText, | |
40 | ConvertDevicePathToText | |
41 | };\r | |
42 | \r | |
43 | GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePathFromText = {\r | |
44 | ConvertTextToDeviceNode, \r | |
45 | ConvertTextToDevicePath \r | |
46 | };\r | |
47 | \r | |
48 | GLOBAL_REMOVE_IF_UNREFERENCED const EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL; | |
49 | GLOBAL_REMOVE_IF_UNREFERENCED const EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS; | |
562d2849 | 50 | |
562d2849 | 51 | EFI_STATUS |
52 | EFIAPI | |
53 | DevicePathEntryPoint ( | |
54 | IN EFI_HANDLE ImageHandle, | |
55 | IN EFI_SYSTEM_TABLE *SystemTable | |
56 | ) | |
57 | /*++ | |
58 | ||
59 | Routine Description: | |
60 | Entry point for EFI drivers. | |
61 | ||
62 | Arguments: | |
63 | ImageHandle - EFI_HANDLE | |
64 | SystemTable - EFI_SYSTEM_TABLE | |
65 | ||
66 | Returns: | |
67 | EFI_SUCCESS | |
68 | others | |
69 | ||
70 | --*/ | |
71 | { | |
72 | EFI_STATUS Status; | |
e99aa5a2 | 73 | |
74 | Status = EFI_UNSUPPORTED; | |
75 | if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {\r | |
76 | if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {\r | |
77 | Status = gBS->InstallMultipleProtocolInterfaces ( | |
78 | &mDevicePathHandle, | |
79 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities, | |
80 | &gEfiDevicePathToTextProtocolGuid, &mDevicePathToText, | |
81 | &gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText, | |
82 | NULL | |
83 | ); | |
84 | } else {\r | |
85 | Status = gBS->InstallMultipleProtocolInterfaces ( | |
86 | &mDevicePathHandle, | |
87 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities, | |
88 | &gEfiDevicePathToTextProtocolGuid, &mDevicePathToText, | |
89 | NULL | |
90 | ); | |
91 | }\r | |
92 | } else {\r | |
93 | if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {\r | |
94 | Status = gBS->InstallMultipleProtocolInterfaces ( | |
95 | &mDevicePathHandle, | |
96 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities, | |
97 | &gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText, | |
98 | NULL | |
99 | ); | |
100 | } else {\r | |
101 | Status = gBS->InstallMultipleProtocolInterfaces ( | |
102 | &mDevicePathHandle, | |
103 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities, | |
104 | NULL | |
105 | ); | |
106 | }\r | |
107 | }\r | |
562d2849 | 108 | return Status; |
109 | } |