| | 1 | /** @file\r |
| | 2 | UEFI Event support functions and structure.\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2010, Intel Corporation. <BR>\r |
| | 5 | All rights reserved. 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 | #ifndef __EVENT_H__\r |
| | 16 | #define __EVENT_H__\r |
| | 17 | \r |
| | 18 | \r |
| | 19 | #define VALID_TPL(a) ((a) <= TPL_HIGH_LEVEL)\r |
| | 20 | extern UINTN gEventPending;\r |
| | 21 | \r |
| | 22 | \r |
| | 23 | //\r |
| | 24 | // EFI_EVENT\r |
| | 25 | //\r |
| | 26 | \r |
| | 27 | ///\r |
| | 28 | /// Timer event information\r |
| | 29 | ///\r |
| | 30 | typedef struct {\r |
| | 31 | LIST_ENTRY Link;\r |
| | 32 | UINT64 TriggerTime;\r |
| | 33 | UINT64 Period;\r |
| | 34 | } TIMER_EVENT_INFO;\r |
| | 35 | \r |
| | 36 | #define EVENT_SIGNATURE SIGNATURE_32('e','v','n','t')\r |
| | 37 | typedef struct {\r |
| | 38 | UINTN Signature;\r |
| | 39 | UINT32 Type;\r |
| | 40 | UINT32 SignalCount;\r |
| | 41 | ///\r |
| | 42 | /// Entry if the event is registered to be signalled\r |
| | 43 | ///\r |
| | 44 | LIST_ENTRY SignalLink;\r |
| | 45 | ///\r |
| | 46 | /// Notification information for this event\r |
| | 47 | ///\r |
| | 48 | EFI_TPL NotifyTpl;\r |
| | 49 | EFI_EVENT_NOTIFY NotifyFunction;\r |
| | 50 | VOID *NotifyContext;\r |
| | 51 | EFI_GUID EventGroup;\r |
| | 52 | LIST_ENTRY NotifyLink;\r |
| | 53 | BOOLEAN ExFlag;\r |
| | 54 | ///\r |
| | 55 | /// A list of all runtime events\r |
| | 56 | ///\r |
| | 57 | EFI_RUNTIME_EVENT_ENTRY RuntimeData;\r |
| | 58 | TIMER_EVENT_INFO Timer;\r |
| | 59 | } IEVENT;\r |
| | 60 | \r |
| | 61 | //\r |
| | 62 | // Internal prototypes\r |
| | 63 | //\r |
| | 64 | \r |
| | 65 | \r |
| | 66 | /**\r |
| | 67 | Dispatches all pending events.\r |
| | 68 | \r |
| | 69 | @param Priority The task priority level of event notifications\r |
| | 70 | to dispatch\r |
| | 71 | \r |
| | 72 | **/\r |
| | 73 | VOID\r |
| | 74 | CoreDispatchEventNotifies (\r |
| | 75 | IN EFI_TPL Priority\r |
| | 76 | );\r |
| | 77 | \r |
| | 78 | \r |
| | 79 | /**\r |
| | 80 | Initializes timer support.\r |
| | 81 | \r |
| | 82 | **/\r |
| | 83 | VOID\r |
| | 84 | CoreInitializeTimer (\r |
| | 85 | VOID\r |
| | 86 | );\r |
| | 87 | \r |
| | 88 | #endif\r |
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