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90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/** @file
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UEFI Event support functions and structure.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __EVENT_H__
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#define __EVENT_H__
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#define VALID_TPL(a) ((a) <= TPL_HIGH_LEVEL)
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extern UINTN gEventPending;
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//
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// EFI_EVENT
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//
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///
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/// Timer event information
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///
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typedef struct {
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LIST_ENTRY Link;
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UINT64 TriggerTime;
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UINT64 Period;
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UINT64 Type;
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} TIMER_EVENT_INFO;
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#define EVENT_SIGNATURE SIGNATURE_32('e','v','n','t')
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typedef struct {
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UINTN Signature;
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UINT32 Type;
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UINT32 SignalCount;
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///
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/// Entry if the event is registered to be signalled
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///
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LIST_ENTRY SignalLink;
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///
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/// Notification information for this event
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///
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EFI_TPL NotifyTpl;
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EFI_EVENT_NOTIFY NotifyFunction;
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VOID *NotifyContext;
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EFI_GUID EventGroup;
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LIST_ENTRY NotifyLink;
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BOOLEAN ExFlag;
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///
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/// A list of all runtime events
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///
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EFI_RUNTIME_EVENT_ENTRY RuntimeData;
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TIMER_EVENT_INFO Timer;
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} IEVENT;
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//
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// Internal prototypes
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//
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/**
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Dispatches all pending events.
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@param Priority The task priority level of event notifications
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to dispatch
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**/
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VOID
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CoreDispatchEventNotifies (
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IN EFI_TPL Priority
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);
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/**
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Initializes timer support.
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**/
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VOID
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CoreInitializeTimer (
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VOID
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);
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#endif
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