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+/*++
+
+Copyright (c) 2004 - 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ exec.h
+
+Abstract:
+
+ EFI Event support
+
+--*/
+
+#ifndef _EXEC_H_
+#define _EXEC_H_
+
+#include "Tiano.h"
+#include "DxeCore.h"
+
+#define VALID_TPL(a) ((a) <= EFI_TPL_HIGH_LEVEL)
+
+//
+// EFI_EVENT
+//
+
+#define EVENT_SIGNATURE EFI_SIGNATURE_32('e','v','n','t')
+typedef struct {
+ UINTN Signature;
+ UINT32 Type;
+ UINT32 SignalCount;
+
+ //
+ // Entry if the event is registered to be signalled
+ //
+
+ EFI_LIST_ENTRY SignalLink;
+
+ //
+ // Notification information for this event
+ //
+
+ EFI_TPL NotifyTpl;
+ EFI_EVENT_NOTIFY NotifyFunction;
+ VOID *NotifyContext;
+ EFI_GUID EventGroup;
+ EFI_LIST_ENTRY NotifyLink;
+ BOOLEAN ExFlag;
+
+ //
+ // A list of all runtime events
+ //
+ EFI_RUNTIME_EVENT_ENTRY RuntimeData;
+
+ //
+ // Information by event type
+ //
+
+ union {
+ //
+ // For timer events
+ //
+ struct {
+ EFI_LIST_ENTRY Link;
+ UINT64 TriggerTime;
+ UINT64 Period;
+ } Timer;
+ } u;
+
+} IEVENT;
+
+//
+// Internal prototypes
+//
+
+VOID
+CoreDispatchEventNotifies (
+ IN EFI_TPL Priority
+ )
+/*++
+
+Routine Description:
+
+ Dispatches all pending events.
+
+Arguments:
+
+ Priority - The task priority level of event notifications to dispatch
+
+Returns:
+
+ None
+
+--*/
+;
+
+
+UINTN
+CoreHighestSetBit (
+ IN UINTN Number
+ )
+/*++
+
+Routine Description:
+
+ Return the highest set bit
+
+Arguments:
+
+ Number - The value to check
+
+Returns:
+
+ Bit position of the highest set bit
+
+--*/
+;
+
+
+BOOLEAN
+GetInterruptState (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Disables CPU interrupts.
+
+Arguments:
+
+ This - Protocol instance structure
+
+ State - Pointer to the CPU's current interrupt state
+
+Returns:
+
+ EFI_SUCCESS - If interrupts were disabled in the CPU.
+
+ EFI_INVALID_PARAMETER - State is NULL.
+
+--*/
+;
+
+//
+// Exported functions
+//
+
+VOID
+CoreEventVirtualAddressFixup (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ A function out of date, should be removed.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+;
+
+
+VOID
+CoreInitializeTimer (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Initializes timer support
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+;
+
+//
+// extern data declarations
+//
+
+extern EFI_LOCK gEventQueueLock;
+extern UINTN gEventPending;
+extern EFI_LIST_ENTRY gEventQueue[];
+extern EFI_LIST_ENTRY gEventSignalQueue;
+extern UINT8 gHSB[];
+
+#endif