0c18794e |
1 | /** @file\r |
2 | Load the deferred images after user is identified.\r |
3 | \r |
4 | Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\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 "UserIdentifyManager.h"\r |
16 | \r |
17 | EFI_HANDLE mDeferredImageHandle;\r |
18 | \r |
19 | /**\r |
20 | The function will load all the deferred images again. If the deferred image is loaded\r |
21 | successfully, try to start it.\r |
22 | \r |
23 | @param Event Event whose notification function is being invoked.\r |
24 | @param Context Pointer to the notification function's context\r |
25 | \r |
26 | **/\r |
27 | VOID\r |
28 | EFIAPI\r |
29 | LoadDeferredImage (\r |
30 | IN EFI_EVENT Event,\r |
31 | IN VOID *Context\r |
32 | )\r |
33 | {\r |
34 | EFI_STATUS Status;\r |
35 | EFI_DEFERRED_IMAGE_LOAD_PROTOCOL *DeferredImage;\r |
36 | UINTN HandleCount;\r |
37 | EFI_HANDLE *HandleBuf;\r |
38 | UINTN Index;\r |
39 | UINTN DriverIndex;\r |
40 | EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;\r |
41 | VOID *DriverImage;\r |
42 | UINTN ImageSize; \r |
43 | BOOLEAN BootOption;\r |
44 | EFI_HANDLE ImageHandle;\r |
45 | UINTN ExitDataSize;\r |
46 | CHAR16 *ExitData;\r |
47 | \r |
48 | //\r |
49 | // Find all the deferred image load protocols.\r |
50 | //\r |
51 | HandleCount = 0;\r |
52 | HandleBuf = NULL;\r |
53 | Status = gBS->LocateHandleBuffer (\r |
54 | ByProtocol,\r |
55 | &gEfiDeferredImageLoadProtocolGuid,\r |
56 | NULL,\r |
57 | &HandleCount,\r |
58 | &HandleBuf\r |
59 | );\r |
60 | if (EFI_ERROR (Status)) {\r |
61 | return ;\r |
62 | }\r |
63 | \r |
64 | for (Index = 0; Index < HandleCount; Index++) {\r |
65 | Status = gBS->HandleProtocol (\r |
66 | HandleBuf[Index],\r |
67 | &gEfiDeferredImageLoadProtocolGuid,\r |
68 | (VOID **) &DeferredImage\r |
69 | );\r |
70 | if (EFI_ERROR (Status)) {\r |
71 | continue ;\r |
72 | }\r |
73 | \r |
74 | DriverIndex = 0;\r |
75 | do {\r |
76 | //\r |
77 | // Load all the deferred images in this protocol instance.\r |
78 | //\r |
79 | Status = DeferredImage->GetImageInfo(\r |
80 | DeferredImage, \r |
81 | DriverIndex, \r |
82 | &ImageDevicePath, \r |
83 | (VOID **) &DriverImage,\r |
84 | &ImageSize, \r |
85 | &BootOption\r |
86 | );\r |
87 | if (EFI_ERROR (Status)) {\r |
88 | break;\r |
89 | } \r |
90 | \r |
91 | //\r |
92 | // Load and start the image.\r |
93 | //\r |
94 | Status = gBS->LoadImage (\r |
95 | BootOption,\r |
96 | mDeferredImageHandle,\r |
97 | ImageDevicePath,\r |
98 | NULL,\r |
99 | 0,\r |
100 | &ImageHandle\r |
101 | );\r |
102 | if (!EFI_ERROR (Status)) {\r |
103 | //\r |
104 | // Before calling the image, enable the Watchdog Timer for\r |
105 | // a 5 Minute period\r |
106 | //\r |
107 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r |
108 | Status = gBS->StartImage (ImageHandle, &ExitDataSize, &ExitData);\r |
109 | \r |
110 | //\r |
111 | // Clear the Watchdog Timer after the image returns.\r |
112 | //\r |
113 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r |
114 | }\r |
115 | DriverIndex++;\r |
116 | } while (TRUE);\r |
117 | }\r |
118 | FreePool (HandleBuf); \r |
119 | }\r |
120 | \r |
121 | \r |
122 | /**\r |
123 | Register an event notification function for user profile changed.\r |
124 | \r |
125 | @param[in] ImageHandle Image handle this driver.\r |
126 | \r |
127 | **/\r |
128 | VOID\r |
129 | LoadDeferredImageInit (\r |
130 | IN EFI_HANDLE ImageHandle\r |
131 | )\r |
132 | {\r |
133 | EFI_STATUS Status;\r |
134 | EFI_EVENT Event;\r |
135 | \r |
136 | mDeferredImageHandle = ImageHandle;\r |
137 | \r |
138 | Status = gBS->CreateEventEx (\r |
139 | EVT_NOTIFY_SIGNAL,\r |
140 | TPL_CALLBACK,\r |
141 | LoadDeferredImage,\r |
142 | NULL,\r |
143 | &gEfiEventUserProfileChangedGuid,\r |
144 | &Event\r |
145 | );\r |
146 | \r |
147 | ASSERT (Status == EFI_SUCCESS);\r |
148 | }\r |