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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | SetWatchdogTimer.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Tiano Miscellaneous Services SetWatchdogTimer service implementation\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #include <DxeMain.h>\r | |
23 | \r | |
24 | #define WATCHDOG_TIMER_CALIBRATE_PER_SECOND 10000000\r | |
25 | \r | |
26 | \r | |
27 | EFI_STATUS\r | |
28 | EFIAPI\r | |
29 | CoreSetWatchdogTimer (\r | |
30 | IN UINTN Timeout,\r | |
31 | IN UINT64 WatchdogCode,\r | |
32 | IN UINTN DataSize,\r | |
33 | IN CHAR16 *WatchdogData OPTIONAL\r | |
34 | )\r | |
35 | /*++\r | |
36 | \r | |
37 | Routine Description:\r | |
38 | \r | |
39 | Sets the system's watchdog timer.\r | |
40 | \r | |
41 | Arguments:\r | |
42 | \r | |
43 | Timeout The number of seconds. Zero disables the timer.\r | |
44 | \r | |
45 | ///////following three parameters are left for platform specific using \r | |
46 | \r | |
47 | WatchdogCode The numberic code to log. 0x0 to 0xffff are firmware\r | |
48 | DataSize Size of the optional data\r | |
49 | WatchdogData Optional Null terminated unicode string followed by binary \r | |
50 | data.\r | |
51 | \r | |
52 | Returns:\r | |
53 | \r | |
54 | EFI_SUCCESS Timeout has been set\r | |
55 | EFI_NOT_AVAILABLE_YET WatchdogTimer is not available yet \r | |
56 | EFI_UNSUPPORTED System does not have a timer (currently not used)\r | |
57 | EFI_DEVICE_ERROR Could not complete due to hardware error\r | |
58 | \r | |
59 | --*/\r | |
60 | {\r | |
61 | EFI_STATUS Status;\r | |
62 | \r | |
63 | //\r | |
64 | // Check our architectural protocol\r | |
65 | //\r | |
66 | if (gWatchdogTimer == NULL) {\r | |
67 | return EFI_NOT_AVAILABLE_YET;\r | |
68 | }\r | |
69 | \r | |
70 | //\r | |
71 | // Attempt to set the timeout\r | |
72 | //\r | |
73 | Status = gWatchdogTimer->SetTimerPeriod (gWatchdogTimer, MultU64x32 (Timeout, WATCHDOG_TIMER_CALIBRATE_PER_SECOND));\r | |
74 | \r | |
75 | //\r | |
76 | // Check for errors\r | |
77 | //\r | |
78 | if (EFI_ERROR (Status)) {\r | |
79 | return EFI_DEVICE_ERROR;\r | |
80 | }\r | |
81 | \r | |
82 | return EFI_SUCCESS;\r | |
83 | }\r |