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1 | /** @file\r | |
2 | Driver entry for KbcReset driver.\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 | #include <PiDxe.h>\r | |
15 | \r | |
16 | #include <Library/DebugLib.h>\r | |
17 | #include <Library/UefiBootServicesTableLib.h>\r | |
18 | #include <Library/ResetSystemLib.h>\r | |
19 | \r | |
20 | #include <Protocol/Reset.h>\r | |
21 | \r | |
22 | //\r | |
23 | // The handle onto which the Reset Architectural Protocol is installed\r | |
24 | //\r | |
25 | EFI_HANDLE mResetHandle = NULL;\r | |
26 | \r | |
27 | /**\r | |
28 | Reset the system.\r | |
29 | \r | |
30 | @param ResetType warm or cold\r | |
31 | @param ResetStatus possible cause of reset\r | |
32 | @param DataSize Size of ResetData in bytes\r | |
33 | @param ResetData Optional Unicode string\r | |
34 | \r | |
35 | **/\r | |
36 | VOID\r | |
37 | EFIAPI\r | |
38 | KbcResetSystem (\r | |
39 | IN EFI_RESET_TYPE ResetType,\r | |
40 | IN EFI_STATUS ResetStatus,\r | |
41 | IN UINTN DataSize,\r | |
42 | IN VOID *ResetData OPTIONAL\r | |
43 | )\r | |
44 | {\r | |
45 | switch (ResetType) {\r | |
46 | case EfiResetWarm:\r | |
47 | ResetWarm ();\r | |
48 | break;\r | |
49 | case EfiResetCold:\r | |
50 | ResetCold ();\r | |
51 | break;\r | |
52 | case EfiResetShutdown:\r | |
53 | ResetShutdown ();\r | |
54 | break;\r | |
55 | default:\r | |
56 | return;\r | |
57 | }\r | |
58 | \r | |
59 | //\r | |
60 | // Given we should have reset getting here would be bad\r | |
61 | //\r | |
62 | ASSERT (FALSE);\r | |
63 | }\r | |
64 | \r | |
65 | /**\r | |
66 | Initialize the state information for the Reset Architectural Protocol.\r | |
67 | \r | |
68 | @param ImageHandle Handle of the loaded driver \r | |
69 | @param SystemTable Pointer to the System Table\r | |
70 | \r | |
71 | @retval EFI_SUCCESS Thread can be successfully created\r | |
72 | @retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure\r | |
73 | @retval EFI_DEVICE_ERROR Cannot create the timer service\r | |
74 | \r | |
75 | **/\r | |
76 | EFI_STATUS\r | |
77 | EFIAPI\r | |
78 | InitializeReset (\r | |
79 | IN EFI_HANDLE ImageHandle,\r | |
80 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
81 | )\r | |
82 | {\r | |
83 | EFI_STATUS Status;\r | |
84 | \r | |
85 | //\r | |
86 | // Make sure the Reset Architectural Protocol is not already installed in the system\r | |
87 | //\r | |
88 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);\r | |
89 | \r | |
90 | //\r | |
91 | // Hook the runtime service table\r | |
92 | //\r | |
93 | SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;\r | |
94 | \r | |
95 | //\r | |
96 | // Now install the Reset RT AP on a new handle\r | |
97 | //\r | |
98 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
99 | &mResetHandle,\r | |
100 | &gEfiResetArchProtocolGuid, NULL,\r | |
101 | NULL\r | |
102 | );\r | |
103 | ASSERT_EFI_ERROR (Status);\r | |
104 | \r | |
105 | return Status;\r | |
106 | }\r |