]>
Commit | Line | Data |
---|---|---|
13d40edd | 1 | /** @file\r |
95276127 | 2 | Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol\r |
3 | and DevPathToText Protocol.\r | |
4 | \r | |
13d40edd | 5 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
6 | All rights reserved. This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
95276127 | 15 | \r |
95276127 | 16 | #include "DevicePath.h"\r |
17 | \r | |
18 | EFI_HANDLE mDevicePathHandle = NULL;\r | |
19 | \r | |
572f5d8a | 20 | GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {\r |
95276127 | 21 | GetDevicePathSizeProtocolInterface,\r |
22 | DuplicateDevicePathProtocolInterface,\r | |
23 | AppendDevicePathProtocolInterface,\r | |
24 | AppendDeviceNodeProtocolInterface,\r | |
25 | AppendDevicePathInstanceProtocolInterface,\r | |
26 | GetNextDevicePathInstanceProtocolInterface,\r | |
27 | IsDevicePathMultiInstanceProtocolInterface,\r | |
28 | CreateDeviceNodeProtocolInterface\r | |
29 | };\r | |
30 | \r | |
572f5d8a | 31 | GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_TO_TEXT_PROTOCOL mDevicePathToText = {\r |
95276127 | 32 | ConvertDeviceNodeToText,\r |
33 | ConvertDevicePathToText\r | |
34 | };\r | |
35 | \r | |
572f5d8a | 36 | GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePathFromText = {\r |
37 | ConvertTextToDeviceNode,\r | |
38 | ConvertTextToDevicePath\r | |
95276127 | 39 | };\r |
40 | \r | |
572f5d8a | 41 | GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL;\r |
42 | GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS;\r | |
95276127 | 43 | \r |
572f5d8a | 44 | \r |
45 | \r | |
46 | /**\r | |
47 | The user Entry Point for DevicePath module.\r | |
48 | \r | |
48557c65 | 49 | This is the entry point for DevicePath module. It installs the UEFI Device Path Utility Protocol and\r |
50 | optionally the Device Path to Text and Device Path from Text protocols based on feature flags.\r | |
572f5d8a | 51 | \r |
52 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
53 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
54 | \r | |
55 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
56 | @retval Others Some error occurs when executing this entry point.\r | |
57 | \r | |
58 | **/\r | |
95276127 | 59 | EFI_STATUS\r |
60 | EFIAPI\r | |
61 | DevicePathEntryPoint (\r | |
62 | IN EFI_HANDLE ImageHandle,\r | |
63 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
64 | )\r | |
95276127 | 65 | {\r |
66 | EFI_STATUS Status;\r | |
572f5d8a | 67 | \r |
95276127 | 68 | Status = EFI_UNSUPPORTED;\r |
69 | if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {\r | |
70 | if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {\r | |
71 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
72 | &mDevicePathHandle,\r | |
73 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r | |
74 | &gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,\r | |
75 | &gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,\r | |
76 | NULL\r | |
77 | );\r | |
78 | } else {\r | |
79 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
80 | &mDevicePathHandle,\r | |
81 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r | |
82 | &gEfiDevicePathToTextProtocolGuid, &mDevicePathToText,\r | |
83 | NULL\r | |
84 | );\r | |
85 | }\r | |
86 | } else {\r | |
87 | if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {\r | |
88 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
89 | &mDevicePathHandle,\r | |
90 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r | |
91 | &gEfiDevicePathFromTextProtocolGuid, &mDevicePathFromText,\r | |
92 | NULL\r | |
93 | );\r | |
94 | } else {\r | |
95 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
96 | &mDevicePathHandle,\r | |
97 | &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r | |
98 | NULL\r | |
99 | );\r | |
100 | }\r | |
101 | }\r | |
102 | return Status;\r | |
103 | }\r |