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Diffstat (limited to 'EdkModulePkg/Core/Dxe/Event/event.c')
-rw-r--r--EdkModulePkg/Core/Dxe/Event/event.c172
1 files changed, 53 insertions, 119 deletions
diff --git a/EdkModulePkg/Core/Dxe/Event/event.c b/EdkModulePkg/Core/Dxe/Event/event.c
index 3749657276..8f2934e711 100644
--- a/EdkModulePkg/Core/Dxe/Event/event.c
+++ b/EdkModulePkg/Core/Dxe/Event/event.c
@@ -1,13 +1,13 @@
/*++
-Copyright (c) 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.
+Copyright (c) 2006 - 2007, 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:
@@ -16,7 +16,7 @@ Module Name:
Abstract:
EFI Event support
-
+
--*/
@@ -37,17 +37,17 @@ UINT32 mEventTable[] = {
//
EFI_EVENT_TIMER,
//
- // 0x00000100 Generic event with a notification function that
+ // 0x00000100 Generic event with a notification function that
// can be waited on with CheckEvent() or WaitForEvent()
//
EFI_EVENT_NOTIFY_WAIT,
//
- // 0x00000200 Generic event with a notification function that
+ // 0x00000200 Generic event with a notification function that
// is queue when the event is signaled with SignalEvent()
//
EFI_EVENT_NOTIFY_SIGNAL,
//
- // 0x00000201 ExitBootServicesEvent.
+ // 0x00000201 ExitBootServicesEvent.
//
EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES,
//
@@ -55,33 +55,14 @@ UINT32 mEventTable[] = {
//
EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
-#if (EFI_SPECIFICATION_VERSION < 0x00020000)
- //
- // 0x00000203 ReadyToBootEvent.
- //
- EFI_EVENT_SIGNAL_READY_TO_BOOT,
- //
- // 0x00000204 LegacyBootEvent.
- //
- EFI_EVENT_SIGNAL_LEGACY_BOOT,
- //
- // 0x00000603 Signal all ReadyToBootEvents.
- //
- EFI_EVENT_NOTIFY_SIGNAL_ALL | EFI_EVENT_SIGNAL_READY_TO_BOOT,
- //
- // 0x00000604 Signal all LegacyBootEvents.
- //
- EFI_EVENT_NOTIFY_SIGNAL_ALL | EFI_EVENT_SIGNAL_LEGACY_BOOT,
-#endif
-
//
- // 0x00000000 Generic event without a notification function.
- // It can be signaled with SignalEvent() and checked with CheckEvent()
+ // 0x00000000 Generic event without a notification function.
+ // It can be signaled with SignalEvent() and checked with CheckEvent()
// or WaitForEvent().
//
0x00000000,
//
- // 0x80000100 Timer event with a notification function that can be
+ // 0x80000100 Timer event with a notification function that can be
// waited on with CheckEvent() or WaitForEvent()
//
EFI_EVENT_TIMER | EFI_EVENT_NOTIFY_WAIT,
@@ -149,7 +130,7 @@ Routine Description:
Arguments:
None
-
+
Returns:
EFI_SUCCESS - Always return success
@@ -163,7 +144,7 @@ Returns:
}
CoreInitializeTimer ();
-
+
return EFI_SUCCESS;
}
@@ -176,12 +157,12 @@ CoreDispatchEventNotifies (
Routine Description:
- Dispatches all pending events.
+ Dispatches all pending events.
Arguments:
Priority - The task priority level of event notifications to dispatch
-
+
Returns:
None
@@ -190,7 +171,7 @@ Returns:
{
IEVENT *Event;
LIST_ENTRY *Head;
-
+
CoreAcquireEventLock ();
ASSERT (gEventQueueLock.OwnerTpl == Priority);
Head = &gEventQueue[Priority];
@@ -199,7 +180,7 @@ Returns:
// Dispatch all the pending notifications
//
while (!IsListEmpty (Head)) {
-
+
Event = CR (Head->ForwardLink, IEVENT, NotifyLink, EVENT_SIGNATURE);
RemoveEntryList (&Event->NotifyLink);
@@ -214,7 +195,7 @@ Returns:
}
CoreReleaseEventLock ();
-
+
//
// Notify this event
//
@@ -246,7 +227,7 @@ Routine Description:
Arguments:
Event - The Event to notify
-
+
Returns:
None
@@ -268,7 +249,7 @@ Returns:
Event->NotifyLink.ForwardLink = NULL;
}
- //
+ //
// Queue the event to the pending notification list
//
@@ -289,7 +270,7 @@ Routine Description:
Arguments:
EventGroup - The list to signal
-
+
Returns:
None
@@ -313,33 +294,6 @@ Returns:
CoreReleaseEventLock ();
}
-
-#if (EFI_SPECIFICATION_VERSION < 0x00020000)
-
-static
-VOID
-EFIAPI
-EventNotifySignalAllNullEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // This null event is a size efficent way to enusre that
- // EFI_EVENT_NOTIFY_SIGNAL_ALL is error checked correctly.
- // EFI_EVENT_NOTIFY_SIGNAL_ALL is now mapped into
- // CreateEventEx() and this function is used to make the
- // old error checking in CreateEvent() for Tiano extensions
- // function.
- //
- return;
-}
-
-#endif
-
-
-
-
EFI_STATUS
EFIAPI
CoreCreateEvent (
@@ -368,42 +322,22 @@ Returns:
EFI_OUT_OF_RESOURCES - The event could not be allocated
--*/
-{
+{
EFI_GUID *GuidPtr;
EFI_EVENT_NOTIFY Function;
-
+
GuidPtr = NULL;
Function = NotifyFunction;
-#if (EFI_SPECIFICATION_VERSION < 0x00020000)
- //
- // Clear EFI_EVENT_NOFITY_SIGNAL_ALL (Tiano extension) as all events in the
- // EventGroup now have this property. So we need to filter it out.
- //
- if (Type & EFI_EVENT_NOTIFY_SIGNAL_ALL) {
- Type &= ~EFI_EVENT_NOTIFY_SIGNAL_ALL;
- Function = EventNotifySignalAllNullEvent;
- }
-
- //
- // Map the Tiano extensions Events to CreateEventEx form
- //
- if (Type == EFI_EVENT_SIGNAL_READY_TO_BOOT) {
- GuidPtr = &gEfiEventReadyToBootGuid;
- } else if (Type == EFI_EVENT_SIGNAL_LEGACY_BOOT) {
- GuidPtr = &gEfiEventLegacyBootGuid
- }
-#endif
-
//
// Convert EFI 1.10 Events to thier UEFI 2.0 CreateEventEx mapping
- //
+ //
if (Type == EVENT_SIGNAL_EXIT_BOOT_SERVICES) {
GuidPtr = &gEfiEventExitBootServicesGuid;
} else if (Type == EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE) {
GuidPtr = &gEfiEventVirtualAddressChangeGuid;
}
-
+
return CoreCreateEventEx (Type, NotifyTpl, Function, NotifyContext, GuidPtr, Event);
}
@@ -469,8 +403,8 @@ Returns:
//
// Check for an invalid NotifyFunction or NotifyTpl
//
- if ((NotifyFunction == NULL) ||
- (NotifyTpl < EFI_TPL_APPLICATION) ||
+ if ((NotifyFunction == NULL) ||
+ (NotifyTpl < EFI_TPL_APPLICATION) ||
(NotifyTpl >= EFI_TPL_HIGH_LEVEL)) {
return EFI_INVALID_PARAMETER;
}
@@ -488,7 +422,7 @@ Returns:
// Allcoate and initialize a new event structure.
//
Status = CoreAllocatePool (
- (Type & EFI_EVENT_RUNTIME) ? EfiRuntimeServicesData: EfiBootServicesData,
+ (Type & EFI_EVENT_RUNTIME) ? EfiRuntimeServicesData: EfiBootServicesData,
sizeof (IEVENT),
(VOID **)&IEvent
);
@@ -500,7 +434,7 @@ Returns:
IEvent->Signature = EVENT_SIGNATURE;
IEvent->Type = Type;
-
+
IEvent->NotifyTpl = NotifyTpl;
IEvent->NotifyFunction = NotifyFunction;
IEvent->NotifyContext = (VOID *)NotifyContext;
@@ -524,16 +458,16 @@ Returns:
}
CoreAcquireEventLock ();
-
+
if ((Type & EFI_EVENT_NOTIFY_SIGNAL) != 0x00000000) {
//
// The Event's NotifyFunction must be queued whenever the event is signaled
//
InsertHeadList (&gEventSignalQueue, &IEvent->SignalLink);
}
-
+
CoreReleaseEventLock ();
-
+
//
// Done
//
@@ -552,15 +486,15 @@ CoreSignalEvent (
Routine Description:
Signals the event. Queues the event to be notified if needed
-
+
Arguments:
UserEvent - The event to signal
-
+
Returns:
EFI_INVALID_PARAMETER - Parameters are not valid.
-
+
EFI_SUCCESS - The event was signaled.
--*/
@@ -592,8 +526,8 @@ Returns:
if (Event->Type & EFI_EVENT_NOTIFY_SIGNAL) {
if (Event->ExFlag) {
//
- // The CreateEventEx() style requires all members of the Event Group
- // to be signaled.
+ // The CreateEventEx() style requires all members of the Event Group
+ // to be signaled.
//
CoreReleaseEventLock ();
CoreNotifySignalList (&Event->EventGroup);
@@ -619,11 +553,11 @@ CoreCheckEvent (
Routine Description:
Check the status of an event
-
+
Arguments:
UserEvent - The event to check
-
+
Returns:
EFI_SUCCESS - The event is in the signaled state
@@ -697,17 +631,17 @@ CoreWaitForEvent (
Routine Description:
Stops execution until an event is signaled.
-
+
Arguments:
NumberOfEvents - The number of events in the UserEvents array
UserEvents - An array of EFI_EVENT
UserIndex - Pointer to the index of the event which satisfied the wait condition
-
+
Returns:
EFI_SUCCESS - The event indicated by Index was signaled.
- EFI_INVALID_PARAMETER - The event indicated by Index has a notification function or
+ EFI_INVALID_PARAMETER - The event indicated by Index has a notification function or
Event was not a valid type
EFI_UNSUPPORTED - The current TPL is not TPL_APPLICATION
@@ -725,7 +659,7 @@ Returns:
}
for(;;) {
-
+
for(Index = 0; Index < NumberOfEvents; Index++) {
Status = CoreCheckEvent (UserEvents[Index]);
@@ -742,7 +676,7 @@ Returns:
//
// This was the location of the Idle loop callback in EFI 1.x reference
// code. We don't have that concept in this base at this point.
- //
+ //
}
}
@@ -757,15 +691,15 @@ CoreCloseEvent (
Routine Description:
Closes an event and frees the event structure.
-
+
Arguments:
UserEvent - Event to close
-
+
Returns:
EFI_INVALID_PARAMETER - Parameters are not valid.
-
+
EFI_SUCCESS - The event has been closed
--*/
@@ -796,11 +730,11 @@ Returns:
//
// If the event is queued somewhere, remove it
//
-
+
if (Event->RuntimeData.Link.ForwardLink != NULL) {
RemoveEntryList (&Event->RuntimeData.Link);
}
-
+
if (Event->NotifyLink.ForwardLink != NULL) {
RemoveEntryList (&Event->NotifyLink);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-30 09:47:06 +0000