The file name Exec.h contains UEFI Event support functions and structure. But its file name is not very meaningful and we can consider renaming it.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5898 6f19259b-4bc3-4df7-8a09-765794883524
2008-09-16 07:22:44 +00:00
parent f6d7003d5f
commit 5f3232d7e8
3 changed files with 4 additions and 4 deletions
--- a/MdeModulePkg/Core/Dxe/Event.h
+++ b/MdeModulePkg/Core/Dxe/Event.h
@ -0,0 +1,122 @@
+/** @file
+  UEFI Event support functions and structure.
+
+Copyright (c) 2006 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#ifndef __EVENT_H__
+#define __EVENT_H__
+
+#define VALID_TPL(a)            ((a) <= 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
+  //
+
+  LIST_ENTRY              SignalLink;
+
+  //
+  // Notification information for this event
+  //
+
+  EFI_TPL                 NotifyTpl;
+  EFI_EVENT_NOTIFY        NotifyFunction;
+  VOID                    *NotifyContext;
+  EFI_GUID                EventGroup;
+  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 {
+      LIST_ENTRY      Link;
+      UINT64          TriggerTime;
+      UINT64          Period;
+    } Timer;
+  } u;
+
+} IEVENT;
+
+//
+// Internal prototypes
+//
+
+
+/**
+  Dispatches all pending events.
+
+  @param  Priority               The task priority level of event notifications
+                                 to dispatch
+
+**/
+VOID
+CoreDispatchEventNotifies (
+  IN EFI_TPL      Priority
+  );
+
+
+
+/**
+  Return the highest set bit.
+
+  @param  Number  The value to check
+
+  @return Bit position of the highest set bit
+
+**/
+UINTN
+CoreHighestSetBit (
+  IN UINTN     Number
+  );
+
+
+//
+// Exported functions
+//
+/**
+  Initializes timer support.
+
+**/
+VOID
+CoreInitializeTimer (
+  VOID
+  );
+
+//
+// extern data declarations
+//
+
+extern EFI_LOCK       gEventQueueLock;
+extern UINTN          gEventPending;
+extern LIST_ENTRY     gEventQueue[];
+extern LIST_ENTRY     gEventSignalQueue;
+
+#endif