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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 |