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1e57a462 | 1 | /** @file\r |
2 | *\r | |
3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r | |
4 | *\r | |
5 | * This program and the accompanying materials\r | |
6 | * are licensed and made available under the terms and conditions of the BSD License\r | |
7 | * which accompanies this distribution. The full text of the license may be found at\r | |
8 | * http://opensource.org/licenses/bsd-license.php\r | |
9 | *\r | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | *\r | |
13 | **/\r | |
14 | \r | |
15 | #include "BdsInternal.h"\r | |
16 | \r | |
17 | //#include <Library/DxeServicesLib.h>\r | |
18 | \r | |
19 | STATIC\r | |
20 | EFI_STATUS\r | |
21 | BdsLoadFileFromFirmwareVolume (\r | |
22 | IN EFI_HANDLE FvHandle,\r | |
23 | IN CHAR16 *FilePath,\r | |
24 | IN EFI_FV_FILETYPE FileTypeFilter,\r | |
25 | OUT EFI_DEVICE_PATH **EfiAppDevicePath\r | |
26 | )\r | |
27 | {\r | |
28 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;\r | |
29 | VOID *Key;\r | |
30 | EFI_STATUS Status, FileStatus;\r | |
31 | EFI_GUID NameGuid;\r | |
32 | EFI_FV_FILETYPE FileType;\r | |
33 | EFI_FV_FILE_ATTRIBUTES Attributes;\r | |
34 | UINTN Size;\r | |
35 | UINTN UiStringLen;\r | |
36 | CHAR16 *UiSection;\r | |
37 | UINT32 Authentication;\r | |
38 | EFI_DEVICE_PATH *FvDevicePath;\r | |
39 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileDevicePath;\r | |
40 | \r | |
41 | Status = gBS->HandleProtocol (FvHandle,&gEfiFirmwareVolume2ProtocolGuid, (VOID **)&FvProtocol);\r | |
42 | if (EFI_ERROR(Status)) {\r | |
43 | return Status;\r | |
44 | }\r | |
45 | \r | |
46 | // Length of FilePath\r | |
47 | UiStringLen = StrLen (FilePath);\r | |
48 | \r | |
49 | // Allocate Key\r | |
50 | Key = AllocatePool (FvProtocol->KeySize);\r | |
51 | ASSERT (Key != NULL);\r | |
52 | ZeroMem (Key, FvProtocol->KeySize);\r | |
53 | \r | |
54 | do {\r | |
55 | // Search in all files\r | |
56 | FileType = FileTypeFilter;\r | |
57 | \r | |
58 | Status = FvProtocol->GetNextFile (FvProtocol, Key, &FileType, &NameGuid, &Attributes, &Size);\r | |
59 | if (!EFI_ERROR (Status)) {\r | |
60 | UiSection = NULL;\r | |
61 | FileStatus = FvProtocol->ReadSection (\r | |
62 | FvProtocol,\r | |
63 | &NameGuid,\r | |
64 | EFI_SECTION_USER_INTERFACE,\r | |
65 | 0,\r | |
66 | (VOID **)&UiSection,\r | |
67 | &Size,\r | |
68 | &Authentication\r | |
69 | );\r | |
70 | if (!EFI_ERROR (FileStatus)) {\r | |
71 | if (StrnCmp (FilePath, UiSection, UiStringLen) == 0) {\r | |
72 | //\r | |
73 | // We found a UiString match.\r | |
74 | //\r | |
75 | Status = gBS->HandleProtocol (FvHandle, &gEfiDevicePathProtocolGuid, (VOID **)&FvDevicePath);\r | |
76 | \r | |
77 | // Generate the Device Path for the file\r | |
78 | //DevicePath = DuplicateDevicePath(FvDevicePath);\r | |
79 | EfiInitializeFwVolDevicepathNode (&FileDevicePath, &NameGuid);\r | |
80 | *EfiAppDevicePath = AppendDevicePathNode (FvDevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&FileDevicePath);\r | |
81 | \r | |
82 | FreePool (Key);\r | |
83 | FreePool (UiSection);\r | |
84 | return FileStatus;\r | |
85 | }\r | |
86 | FreePool (UiSection);\r | |
87 | }\r | |
88 | }\r | |
89 | } while (!EFI_ERROR (Status));\r | |
90 | \r | |
91 | FreePool(Key);\r | |
92 | return Status;\r | |
93 | }\r | |
94 | \r | |
95 | /**\r | |
96 | Start an EFI Application from any Firmware Volume\r | |
97 | \r | |
98 | @param EfiApp EFI Application Name\r | |
99 | \r | |
100 | @retval EFI_SUCCESS All drivers have been connected\r | |
101 | @retval EFI_NOT_FOUND The Linux kernel Device Path has not been found\r | |
102 | @retval EFI_OUT_OF_RESOURCES There is not enough resource memory to store the matching results.\r | |
103 | \r | |
104 | **/\r | |
105 | EFI_STATUS\r | |
106 | BdsLoadApplication (\r | |
107 | IN EFI_HANDLE ParentImageHandle,\r | |
108 | IN CHAR16* EfiApp,\r | |
109 | IN UINTN LoadOptionsSize,\r | |
110 | IN VOID* LoadOptions\r | |
111 | )\r | |
112 | {\r | |
113 | EFI_STATUS Status;\r | |
114 | UINTN NoHandles, HandleIndex;\r | |
115 | EFI_HANDLE *Handles;\r | |
116 | EFI_DEVICE_PATH *EfiAppDevicePath;\r | |
117 | \r | |
118 | // Need to connect every drivers to ensure no dependencies are missing for the application\r | |
119 | Status = BdsConnectAllDrivers();\r | |
120 | if (EFI_ERROR(Status)) {\r | |
121 | DEBUG ((EFI_D_ERROR, "FAIL to connect all drivers\n"));\r | |
122 | return Status;\r | |
123 | }\r | |
124 | \r | |
125 | // Search the application in any Firmware Volume\r | |
126 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiFirmwareVolume2ProtocolGuid, NULL, &NoHandles, &Handles);\r | |
127 | if (EFI_ERROR (Status) || (NoHandles == 0)) {\r | |
128 | DEBUG ((EFI_D_ERROR, "FAIL to find Firmware Volume\n"));\r | |
129 | return Status;\r | |
130 | }\r | |
131 | \r | |
132 | // Search in all Firmware Volume for the EFI Application\r | |
133 | for (HandleIndex = 0; HandleIndex < NoHandles; HandleIndex++) {\r | |
134 | EfiAppDevicePath = NULL;\r | |
135 | Status = BdsLoadFileFromFirmwareVolume (Handles[HandleIndex], EfiApp, EFI_FV_FILETYPE_APPLICATION, &EfiAppDevicePath);\r | |
136 | if (!EFI_ERROR (Status)) {\r | |
137 | // Start the application\r | |
138 | Status = BdsStartEfiApplication (ParentImageHandle, EfiAppDevicePath, LoadOptionsSize, LoadOptions);\r | |
139 | return Status;\r | |
140 | }\r | |
141 | }\r | |
142 | \r | |
143 | return Status;\r | |
144 | }\r |