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0c18794e 1/** @file\r
2 Load the deferred images after user is identified.\r
3 \r
4Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
5This program and the accompanying materials \r
6are licensed and made available under the terms and conditions of the BSD License \r
7which accompanies this distribution. The full text of the license may be found at \r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "UserIdentifyManager.h"\r
16\r
17EFI_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
27VOID\r
28EFIAPI\r
29LoadDeferredImage (\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
128VOID\r
129LoadDeferredImageInit (\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