Renormalized end-of-lines from master@27b044605cd5f6b33a3d231576003850b3fe305btrunk

1 files changed, 291 insertions, 291 deletions

diff --git a/MdeModulePkg/Core/Dxe/Event/Timer.c b/MdeModulePkg/Core/Dxe/Event/Timer.c
index 29e507c67c..59c839a4f1 100644
--- a/MdeModulePkg/Core/Dxe/Event/Timer.c
+++ b/MdeModulePkg/Core/Dxe/Event/Timer.c
@@ -1,291 +1,291 @@
-/** @file

-  Core Timer Services

-

-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>

-SPDX-License-Identifier: BSD-2-Clause-Patent

-

-**/

-

-#include "DxeMain.h"

-#include "Event.h"

-

-//

-// Internal data

-//

-

-LIST_ENTRY  mEfiTimerList       = INITIALIZE_LIST_HEAD_VARIABLE (mEfiTimerList);

-EFI_LOCK    mEfiTimerLock       = EFI_INITIALIZE_LOCK_VARIABLE (TPL_HIGH_LEVEL - 1);

-EFI_EVENT   mEfiCheckTimerEvent = NULL;

-

-EFI_LOCK  mEfiSystemTimeLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_HIGH_LEVEL);

-UINT64    mEfiSystemTime     = 0;

-

-//

-// Timer functions

-//

-

-/**

-  Inserts the timer event.

-

-  @param  Event                  Points to the internal structure of timer event

-                                 to be installed

-

-**/

-VOID

-CoreInsertEventTimer (

-  IN IEVENT  *Event

-  )

-{

-  UINT64      TriggerTime;

-  LIST_ENTRY  *Link;

-  IEVENT      *Event2;

-

-  ASSERT_LOCKED (&mEfiTimerLock);

-

-  //

-  // Get the timer's trigger time

-  //

-  TriggerTime = Event->Timer.TriggerTime;

-

-  //

-  // Insert the timer into the timer database in assending sorted order

-  //

-  for (Link = mEfiTimerList.ForwardLink; Link != &mEfiTimerList; Link = Link->ForwardLink) {

-    Event2 = CR (Link, IEVENT, Timer.Link, EVENT_SIGNATURE);

-

-    if (Event2->Timer.TriggerTime > TriggerTime) {

-      break;

-    }

-  }

-

-  InsertTailList (Link, &Event->Timer.Link);

-}

-

-/**

-  Returns the current system time.

-

-  @return The current system time

-

-**/

-UINT64

-CoreCurrentSystemTime (

-  VOID

-  )

-{

-  UINT64  SystemTime;

-

-  CoreAcquireLock (&mEfiSystemTimeLock);

-  SystemTime = mEfiSystemTime;

-  CoreReleaseLock (&mEfiSystemTimeLock);

-

-  return SystemTime;

-}

-

-/**

-  Checks the sorted timer list against the current system time.

-  Signals any expired event timer.

-

-  @param  CheckEvent             Not used

-  @param  Context                Not used

-

-**/

-VOID

-EFIAPI

-CoreCheckTimers (

-  IN EFI_EVENT  CheckEvent,

-  IN VOID       *Context

-  )

-{

-  UINT64  SystemTime;

-  IEVENT  *Event;

-

-  //

-  // Check the timer database for expired timers

-  //

-  CoreAcquireLock (&mEfiTimerLock);

-  SystemTime = CoreCurrentSystemTime ();

-

-  while (!IsListEmpty (&mEfiTimerList)) {

-    Event = CR (mEfiTimerList.ForwardLink, IEVENT, Timer.Link, EVENT_SIGNATURE);

-

-    //

-    // If this timer is not expired, then we're done

-    //

-    if (Event->Timer.TriggerTime > SystemTime) {

-      break;

-    }

-

-    //

-    // Remove this timer from the timer queue

-    //

-

-    RemoveEntryList (&Event->Timer.Link);

-    Event->Timer.Link.ForwardLink = NULL;

-

-    //

-    // Signal it

-    //

-    CoreSignalEvent (Event);

-

-    //

-    // If this is a periodic timer, set it

-    //

-    if (Event->Timer.Period != 0) {

-      //

-      // Compute the timers new trigger time

-      //

-      Event->Timer.TriggerTime = Event->Timer.TriggerTime + Event->Timer.Period;

-

-      //

-      // If that's before now, then reset the timer to start from now

-      //

-      if (Event->Timer.TriggerTime <= SystemTime) {

-        Event->Timer.TriggerTime = SystemTime;

-        CoreSignalEvent (mEfiCheckTimerEvent);

-      }

-

-      //

-      // Add the timer

-      //

-      CoreInsertEventTimer (Event);

-    }

-  }

-

-  CoreReleaseLock (&mEfiTimerLock);

-}

-

-/**

-  Initializes timer support.

-

-**/

-VOID

-CoreInitializeTimer (

-  VOID

-  )

-{

-  EFI_STATUS  Status;

-

-  Status = CoreCreateEventInternal (

-             EVT_NOTIFY_SIGNAL,

-             TPL_HIGH_LEVEL - 1,

-             CoreCheckTimers,

-             NULL,

-             NULL,

-             &mEfiCheckTimerEvent

-             );

-  ASSERT_EFI_ERROR (Status);

-}

-

-/**

-  Called by the platform code to process a tick.

-

-  @param  Duration               The number of 100ns elapsed since the last call

-                                 to TimerTick

-

-**/

-VOID

-EFIAPI

-CoreTimerTick (

-  IN UINT64  Duration

-  )

-{

-  IEVENT  *Event;

-

-  //

-  // Check runtiem flag in case there are ticks while exiting boot services

-  //

-  CoreAcquireLock (&mEfiSystemTimeLock);

-

-  //

-  // Update the system time

-  //

-  mEfiSystemTime += Duration;

-

-  //

-  // If the head of the list is expired, fire the timer event

-  // to process it

-  //

-  if (!IsListEmpty (&mEfiTimerList)) {

-    Event = CR (mEfiTimerList.ForwardLink, IEVENT, Timer.Link, EVENT_SIGNATURE);

-

-    if (Event->Timer.TriggerTime <= mEfiSystemTime) {

-      CoreSignalEvent (mEfiCheckTimerEvent);

-    }

-  }

-

-  CoreReleaseLock (&mEfiSystemTimeLock);

-}

-

-/**

-  Sets the type of timer and the trigger time for a timer event.

-

-  @param  UserEvent              The timer event that is to be signaled at the

-                                 specified time

-  @param  Type                   The type of time that is specified in

-                                 TriggerTime

-  @param  TriggerTime            The number of 100ns units until the timer

-                                 expires

-

-  @retval EFI_SUCCESS            The event has been set to be signaled at the

-                                 requested time

-  @retval EFI_INVALID_PARAMETER  Event or Type is not valid

-

-**/

-EFI_STATUS

-EFIAPI

-CoreSetTimer (

-  IN EFI_EVENT        UserEvent,

-  IN EFI_TIMER_DELAY  Type,

-  IN UINT64           TriggerTime

-  )

-{

-  IEVENT  *Event;

-

-  Event = UserEvent;

-

-  if (Event == NULL) {

-    return EFI_INVALID_PARAMETER;

-  }

-

-  if (Event->Signature != EVENT_SIGNATURE) {

-    return EFI_INVALID_PARAMETER;

-  }

-

-  if (((UINT32)Type > TimerRelative) || ((Event->Type & EVT_TIMER) == 0)) {

-    return EFI_INVALID_PARAMETER;

-  }

-

-  CoreAcquireLock (&mEfiTimerLock);

-

-  //

-  // If the timer is queued to the timer database, remove it

-  //

-  if (Event->Timer.Link.ForwardLink != NULL) {

-    RemoveEntryList (&Event->Timer.Link);

-    Event->Timer.Link.ForwardLink = NULL;

-  }

-

-  Event->Timer.TriggerTime = 0;

-  Event->Timer.Period      = 0;

-

-  if (Type != TimerCancel) {

-    if (Type == TimerPeriodic) {

-      if (TriggerTime == 0) {

-        gTimer->GetTimerPeriod (gTimer, &TriggerTime);

-      }

-

-      Event->Timer.Period = TriggerTime;

-    }

-

-    Event->Timer.TriggerTime = CoreCurrentSystemTime () + TriggerTime;

-    CoreInsertEventTimer (Event);

-

-    if (TriggerTime == 0) {

-      CoreSignalEvent (mEfiCheckTimerEvent);

-    }

-  }

-

-  CoreReleaseLock (&mEfiTimerLock);

-

-  return EFI_SUCCESS;

-}

+/** @file
+  Core Timer Services
+
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "DxeMain.h"
+#include "Event.h"
+
+//
+// Internal data
+//
+
+LIST_ENTRY  mEfiTimerList       = INITIALIZE_LIST_HEAD_VARIABLE (mEfiTimerList);
+EFI_LOCK    mEfiTimerLock       = EFI_INITIALIZE_LOCK_VARIABLE (TPL_HIGH_LEVEL - 1);
+EFI_EVENT   mEfiCheckTimerEvent = NULL;
+
+EFI_LOCK  mEfiSystemTimeLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_HIGH_LEVEL);
+UINT64    mEfiSystemTime     = 0;
+
+//
+// Timer functions
+//
+
+/**
+  Inserts the timer event.
+
+  @param  Event                  Points to the internal structure of timer event
+                                 to be installed
+
+**/
+VOID
+CoreInsertEventTimer (
+  IN IEVENT  *Event
+  )
+{
+  UINT64      TriggerTime;
+  LIST_ENTRY  *Link;
+  IEVENT      *Event2;
+
+  ASSERT_LOCKED (&mEfiTimerLock);
+
+  //
+  // Get the timer's trigger time
+  //
+  TriggerTime = Event->Timer.TriggerTime;
+
+  //
+  // Insert the timer into the timer database in assending sorted order
+  //
+  for (Link = mEfiTimerList.ForwardLink; Link != &mEfiTimerList; Link = Link->ForwardLink) {
+    Event2 = CR (Link, IEVENT, Timer.Link, EVENT_SIGNATURE);
+
+    if (Event2->Timer.TriggerTime > TriggerTime) {
+      break;
+    }
+  }
+
+  InsertTailList (Link, &Event->Timer.Link);
+}
+
+/**
+  Returns the current system time.
+
+  @return The current system time
+
+**/
+UINT64
+CoreCurrentSystemTime (
+  VOID
+  )
+{
+  UINT64  SystemTime;
+
+  CoreAcquireLock (&mEfiSystemTimeLock);
+  SystemTime = mEfiSystemTime;
+  CoreReleaseLock (&mEfiSystemTimeLock);
+
+  return SystemTime;
+}
+
+/**
+  Checks the sorted timer list against the current system time.
+  Signals any expired event timer.
+
+  @param  CheckEvent             Not used
+  @param  Context                Not used
+
+**/
+VOID
+EFIAPI
+CoreCheckTimers (
+  IN EFI_EVENT  CheckEvent,
+  IN VOID       *Context
+  )
+{
+  UINT64  SystemTime;
+  IEVENT  *Event;
+
+  //
+  // Check the timer database for expired timers
+  //
+  CoreAcquireLock (&mEfiTimerLock);
+  SystemTime = CoreCurrentSystemTime ();
+
+  while (!IsListEmpty (&mEfiTimerList)) {
+    Event = CR (mEfiTimerList.ForwardLink, IEVENT, Timer.Link, EVENT_SIGNATURE);
+
+    //
+    // If this timer is not expired, then we're done
+    //
+    if (Event->Timer.TriggerTime > SystemTime) {
+      break;
+    }
+
+    //
+    // Remove this timer from the timer queue
+    //
+
+    RemoveEntryList (&Event->Timer.Link);
+    Event->Timer.Link.ForwardLink = NULL;
+
+    //
+    // Signal it
+    //
+    CoreSignalEvent (Event);
+
+    //
+    // If this is a periodic timer, set it
+    //
+    if (Event->Timer.Period != 0) {
+      //
+      // Compute the timers new trigger time
+      //
+      Event->Timer.TriggerTime = Event->Timer.TriggerTime + Event->Timer.Period;
+
+      //
+      // If that's before now, then reset the timer to start from now
+      //
+      if (Event->Timer.TriggerTime <= SystemTime) {
+        Event->Timer.TriggerTime = SystemTime;
+        CoreSignalEvent (mEfiCheckTimerEvent);
+      }
+
+      //
+      // Add the timer
+      //
+      CoreInsertEventTimer (Event);
+    }
+  }
+
+  CoreReleaseLock (&mEfiTimerLock);
+}
+
+/**
+  Initializes timer support.
+
+**/
+VOID
+CoreInitializeTimer (
+  VOID
+  )
+{
+  EFI_STATUS  Status;
+
+  Status = CoreCreateEventInternal (
+             EVT_NOTIFY_SIGNAL,
+             TPL_HIGH_LEVEL - 1,
+             CoreCheckTimers,
+             NULL,
+             NULL,
+             &mEfiCheckTimerEvent
+             );
+  ASSERT_EFI_ERROR (Status);
+}
+
+/**
+  Called by the platform code to process a tick.
+
+  @param  Duration               The number of 100ns elapsed since the last call
+                                 to TimerTick
+
+**/
+VOID
+EFIAPI
+CoreTimerTick (
+  IN UINT64  Duration
+  )
+{
+  IEVENT  *Event;
+
+  //
+  // Check runtiem flag in case there are ticks while exiting boot services
+  //
+  CoreAcquireLock (&mEfiSystemTimeLock);
+
+  //
+  // Update the system time
+  //
+  mEfiSystemTime += Duration;
+
+  //
+  // If the head of the list is expired, fire the timer event
+  // to process it
+  //
+  if (!IsListEmpty (&mEfiTimerList)) {
+    Event = CR (mEfiTimerList.ForwardLink, IEVENT, Timer.Link, EVENT_SIGNATURE);
+
+    if (Event->Timer.TriggerTime <= mEfiSystemTime) {
+      CoreSignalEvent (mEfiCheckTimerEvent);
+    }
+  }
+
+  CoreReleaseLock (&mEfiSystemTimeLock);
+}
+
+/**
+  Sets the type of timer and the trigger time for a timer event.
+
+  @param  UserEvent              The timer event that is to be signaled at the
+                                 specified time
+  @param  Type                   The type of time that is specified in
+                                 TriggerTime
+  @param  TriggerTime            The number of 100ns units until the timer
+                                 expires
+
+  @retval EFI_SUCCESS            The event has been set to be signaled at the
+                                 requested time
+  @retval EFI_INVALID_PARAMETER  Event or Type is not valid
+
+**/
+EFI_STATUS
+EFIAPI
+CoreSetTimer (
+  IN EFI_EVENT        UserEvent,
+  IN EFI_TIMER_DELAY  Type,
+  IN UINT64           TriggerTime
+  )
+{
+  IEVENT  *Event;
+
+  Event = UserEvent;
+
+  if (Event == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (Event->Signature != EVENT_SIGNATURE) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (((UINT32)Type > TimerRelative) || ((Event->Type & EVT_TIMER) == 0)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  CoreAcquireLock (&mEfiTimerLock);
+
+  //
+  // If the timer is queued to the timer database, remove it
+  //
+  if (Event->Timer.Link.ForwardLink != NULL) {
+    RemoveEntryList (&Event->Timer.Link);
+    Event->Timer.Link.ForwardLink = NULL;
+  }
+
+  Event->Timer.TriggerTime = 0;
+  Event->Timer.Period      = 0;
+
+  if (Type != TimerCancel) {
+    if (Type == TimerPeriodic) {
+      if (TriggerTime == 0) {
+        gTimer->GetTimerPeriod (gTimer, &TriggerTime);
+      }
+
+      Event->Timer.Period = TriggerTime;
+    }
+
+    Event->Timer.TriggerTime = CoreCurrentSystemTime () + TriggerTime;
+    CoreInsertEventTimer (Event);
+
+    if (TriggerTime == 0) {
+      CoreSignalEvent (mEfiCheckTimerEvent);
+    }
+  }
+
+  CoreReleaseLock (&mEfiTimerLock);
+
+  return EFI_SUCCESS;
+}