X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EmulatorPkg%2FTimerDxe%2FTimer.c;h=dfd92acc8c1f2a144f3d51bae1d5c012f48916dc;hp=5230a9625e97a6843a5cc13b2903d140bc705666;hb=HEAD;hpb=e148512e5132e38accf2fe8188a9bdf9d1de02d8

diff --git a/EmulatorPkg/TimerDxe/Timer.c b/EmulatorPkg/TimerDxe/Timer.c
index 5230a9625e..4ec5c3ee28 100644
--- a/EmulatorPkg/TimerDxe/Timer.c
+++ b/EmulatorPkg/TimerDxe/Timer.c
@@ -5,15 +5,9 @@
   timer service.  In the future, the Thread creation should possibly be
   abstracted by the CPU architectural protocol
 
-Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
 Portions copyright (c) 2010 - 2011, Apple Inc. 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.
+SPDX-License-Identifier: BSD-2-Clause-Patent
 
 
 **/
@@ -33,12 +27,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 //
 // Pointer to the CPU Architectural Protocol instance
 //
-EFI_CPU_ARCH_PROTOCOL   *mCpu;
+EFI_CPU_ARCH_PROTOCOL  *mCpu;
 
 //
 // The Timer Architectural Protocol that this driver produces
 //
-EFI_TIMER_ARCH_PROTOCOL mTimer = {
+EFI_TIMER_ARCH_PROTOCOL  mTimer = {
   EmuTimerDriverRegisterHandler,
   EmuTimerDriverSetTimerPeriod,
   EmuTimerDriverGetTimerPeriod,
@@ -48,22 +42,22 @@ EFI_TIMER_ARCH_PROTOCOL mTimer = {
 //
 // The notification function to call on every timer interrupt
 //
-EFI_TIMER_NOTIFY        mTimerNotifyFunction = NULL;
+EFI_TIMER_NOTIFY  mTimerNotifyFunction = NULL;
 
 //
 // The current period of the timer interrupt
 //
-UINT64                  mTimerPeriodMs;
-
+UINT64  mTimerPeriodMs;
 
 VOID
 EFIAPI
-TimerCallback (UINT64 DeltaMs)
+TimerCallback (
+  UINT64  DeltaMs
+  )
 {
   EFI_TPL           OriginalTPL;
   EFI_TIMER_NOTIFY  CallbackFunction;
 
-
   OriginalTPL = gBS->RaiseTPL (TPL_HIGH_LEVEL);
 
   if (OriginalTPL < TPL_HIGH_LEVEL) {
@@ -79,15 +73,15 @@ TimerCallback (UINT64 DeltaMs)
   }
 
   gBS->RestoreTPL (OriginalTPL);
-
 }
 
 EFI_STATUS
 EFIAPI
 EmuTimerDriverRegisterHandler (
-  IN EFI_TIMER_ARCH_PROTOCOL           *This,
-  IN EFI_TIMER_NOTIFY                  NotifyFunction
+  IN EFI_TIMER_ARCH_PROTOCOL  *This,
+  IN EFI_TIMER_NOTIFY         NotifyFunction
   )
+
 /*++
 
 Routine Description:
@@ -133,11 +127,11 @@ Returns:
   //
   // Check for invalid parameters
   //
-  if (NotifyFunction == NULL && mTimerNotifyFunction == NULL) {
+  if ((NotifyFunction == NULL) && (mTimerNotifyFunction == NULL)) {
     return EFI_INVALID_PARAMETER;
   }
 
-  if (NotifyFunction != NULL && mTimerNotifyFunction != NULL) {
+  if ((NotifyFunction != NULL) && (mTimerNotifyFunction != NULL)) {
     return EFI_ALREADY_STARTED;
   }
 
@@ -148,6 +142,7 @@ Returns:
     /* Enable Timer.  */
     gEmuThunk->SetTimer (mTimerPeriodMs, TimerCallback);
   }
+
   mTimerNotifyFunction = NotifyFunction;
 
   return EFI_SUCCESS;
@@ -159,6 +154,7 @@ EmuTimerDriverSetTimerPeriod (
   IN EFI_TIMER_ARCH_PROTOCOL  *This,
   IN UINT64                   TimerPeriod
   )
+
 /*++
 
 Routine Description:
@@ -196,14 +192,14 @@ Returns:
 
 **/
 {
-
   //
   // If TimerPeriod is 0, then the timer thread should be canceled
   // If the TimerPeriod is valid, then create and/or adjust the period of the timer thread
   //
-  if (TimerPeriod == 0
-      || ((TimerPeriod > TIMER_MINIMUM_VALUE)
-    && (TimerPeriod < TIMER_MAXIMUM_VALUE))) {
+  if (  (TimerPeriod == 0)
+     || (  (TimerPeriod > TIMER_MINIMUM_VALUE)
+        && (TimerPeriod < TIMER_MAXIMUM_VALUE)))
+  {
     mTimerPeriodMs = DivU64x32 (TimerPeriod + 5000, 10000);
 
     gEmuThunk->SetTimer (mTimerPeriodMs, TimerCallback);
@@ -215,9 +211,10 @@ Returns:
 EFI_STATUS
 EFIAPI
 EmuTimerDriverGetTimerPeriod (
-  IN EFI_TIMER_ARCH_PROTOCOL            *This,
-  OUT UINT64                            *TimerPeriod
+  IN EFI_TIMER_ARCH_PROTOCOL  *This,
+  OUT UINT64                  *TimerPeriod
   )
+
 /*++
 
 Routine Description:
@@ -256,6 +253,7 @@ EFIAPI
 EmuTimerDriverGenerateSoftInterrupt (
   IN EFI_TIMER_ARCH_PROTOCOL  *This
   )
+
 /*++
 
 Routine Description:
@@ -276,7 +274,7 @@ Returns:
 
   EFI_SUCCESS       - The soft timer interrupt was generated.
 
-  EFI_UNSUPPORTEDT  - The platform does not support the generation of soft timer interrupts.
+  EFI_UNSUPPORTED   - The platform does not support the generation of soft timer interrupts.
 
 **/
 {
@@ -289,6 +287,7 @@ EmuTimerDriverInitialize (
   IN EFI_HANDLE        ImageHandle,
   IN EFI_SYSTEM_TABLE  *SystemTable
   )
+
 /*++
 
 Routine Description:
@@ -307,7 +306,7 @@ Returns:
 
   EFI_OUT_OF_RESOURCES  - Not enough resources available to initialize driver.
 
-  EFI_DEVICE_ERROR      - A device error occured attempting to initialize the driver.
+  EFI_DEVICE_ERROR      - A device error occurred attempting to initialize the driver.
 
 **/
 {
@@ -347,6 +346,5 @@ Returns:
     return Status;
   }
 
-
   return EFI_SUCCESS;
 }