1 files changed, 244 insertions, 244 deletions
diff --git a/MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.c b/MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.c
index 98bb905773..07382266d9 100644
--- a/MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.c
+++ b/MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.c
@@ -1,244 +1,244 @@
-/** @file
-  Implementation of Watchdog Timer Architectural Protocol using UEFI APIs.
-
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "WatchdogTimer.h"
-
-//
-// Handle for the Watchdog Timer Architectural Protocol instance produced by this driver
-//
-EFI_HANDLE  mWatchdogTimerHandle = NULL;
-
-//
-// The Watchdog Timer Architectural Protocol instance produced by this driver
-//
-EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  mWatchdogTimer = {
-  WatchdogTimerDriverRegisterHandler,
-  WatchdogTimerDriverSetTimerPeriod,
-  WatchdogTimerDriverGetTimerPeriod
-};
-
-//
-// The watchdog timer period in 100 ns units
-//
-UINT64  mWatchdogTimerPeriod = 0;
-
-//
-// The notification function to call if the watchdig timer fires
-//
-EFI_WATCHDOG_TIMER_NOTIFY  mWatchdogTimerNotifyFunction = NULL;
-
-//
-// The one-shot timer event that is armed when the watchdog timer is enabled
-//
-EFI_EVENT  mWatchdogTimerEvent;
-
-/**
-  Notification function that is called if the watchdog timer is fired.
-
-  Notification function for the one-shot timer event that was signaled
-  when the watchdog timer expired. If a handler has been registered with
-  the Watchdog Timer Architectural Protocol, then that handler is called
-  passing in the time period that has passed that cause the watchdog timer
-  to fire.  Then, a call to the Runtime Service ResetSystem() is made to
-  reset the platform.
-
-  @param  Timer     The one-shot timer event that was signaled when the
-                    watchdog timer expired.
-  @param  Context   The context that was registered when the event Timer was created.
-
-**/
-VOID
-EFIAPI
-WatchdogTimerDriverExpires (
-  IN EFI_EVENT  Timer,
-  IN VOID       *Context
-  )
-{
-  REPORT_STATUS_CODE (EFI_ERROR_CODE | EFI_ERROR_MINOR, (EFI_COMPUTING_UNIT_HOST_PROCESSOR | EFI_CU_HP_EC_TIMER_EXPIRED));
-
-  //
-  // If a notification function has been registered, then call it
-  //
-  if (mWatchdogTimerNotifyFunction != NULL) {
-    mWatchdogTimerNotifyFunction (mWatchdogTimerPeriod);
-  }
-
-  DEBUG ((DEBUG_ERROR, "Watchdog Timer resetting system\n"));
-
-  //
-  // Reset the platform
-  //
-  gRT->ResetSystem (EfiResetCold, EFI_TIMEOUT, 0, NULL);
-}
-
-/**
-  Registers a handler that is to be invoked when the watchdog timer fires.
-
-  This function registers a handler that is to be invoked when the watchdog
-  timer fires.  By default, the EFI_WATCHDOG_TIMER protocol will call the
-  Runtime Service ResetSystem() when the watchdog timer fires.  If a
-  NotifyFunction is registered, then the NotifyFunction will be called before
-  the Runtime Service ResetSystem() is called.  If NotifyFunction is NULL, then
-  the watchdog handler is unregistered.  If a watchdog handler is registered,
-  then EFI_SUCCESS is returned.  If an attempt is made to register a handler
-  when a handler is already registered, then EFI_ALREADY_STARTED is returned.
-  If an attempt is made to uninstall a handler when a handler is not installed,
-  then return EFI_INVALID_PARAMETER.
-
-  @param  This                  The EFI_WATCHDOG_TIMER_ARCH_PROTOCOL instance.
-  @param  NotifyFunction        The function to call when the watchdog timer fires.  If this
-                                is NULL, then the handler will be unregistered.
-
-  @retval EFI_SUCCESS           The watchdog timer handler was registered or unregistered.
-  @retval EFI_ALREADY_STARTED   NotifyFunction is not NULL, and a handler is already registered.
-  @retval EFI_INVALID_PARAMETER NotifyFunction is NULL, and a handler was not previously registered.
-
-**/
-EFI_STATUS
-EFIAPI
-WatchdogTimerDriverRegisterHandler (
-  IN EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  *This,
-  IN EFI_WATCHDOG_TIMER_NOTIFY         NotifyFunction
-  )
-{
-  //
-  // If NotifyFunction is NULL, and a handler was not previously registered,
-  // return EFI_INVALID_PARAMETER.
-  //
-  if ((NotifyFunction == NULL) && (mWatchdogTimerNotifyFunction == NULL)) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  //
-  // If NotifyFunction is not NULL, and a handler is already registered,
-  // return EFI_ALREADY_STARTED.
-  //
-  if ((NotifyFunction != NULL) && (mWatchdogTimerNotifyFunction != NULL)) {
-    return EFI_ALREADY_STARTED;
-  }
-
-  mWatchdogTimerNotifyFunction = NotifyFunction;
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Sets the amount of time in the future to fire the watchdog timer.
-
-  This function sets the amount of time to wait before firing the watchdog
-  timer to TimerPeriod 100 ns units.  If TimerPeriod is 0, then the watchdog
-  timer is disabled.
-
-  @param  This              The EFI_WATCHDOG_TIMER_ARCH_PROTOCOL instance.
-  @param  TimerPeriod       The amount of time in 100 ns units to wait before the watchdog
-                            timer is fired.  If TimerPeriod is zero, then the watchdog
-                            timer is disabled.
-
-  @retval EFI_SUCCESS       The watchdog timer has been programmed to fire in Time
-                            100 ns units.
-  @retval EFI_DEVICE_ERROR  A watchdog timer could not be programmed due to a device
-                            error.
-
-**/
-EFI_STATUS
-EFIAPI
-WatchdogTimerDriverSetTimerPeriod (
-  IN EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  *This,
-  IN UINT64                            TimerPeriod
-  )
-{
-  mWatchdogTimerPeriod = TimerPeriod;
-
-  return gBS->SetTimer (
-                mWatchdogTimerEvent,
-                (mWatchdogTimerPeriod == 0) ? TimerCancel : TimerRelative,
-                mWatchdogTimerPeriod
-                );
-}
-
-/**
-  Retrieves the amount of time in 100 ns units that the system will wait before firing the watchdog timer.
-
-  This function retrieves the amount of time the system will wait before firing
-  the watchdog timer.  This period is returned in TimerPeriod, and EFI_SUCCESS
-  is returned.  If TimerPeriod is NULL, then EFI_INVALID_PARAMETER is returned.
-
-  @param  This                    The EFI_WATCHDOG_TIMER_ARCH_PROTOCOL instance.
-  @param  TimerPeriod             A pointer to the amount of time in 100 ns units that the system
-                                  will wait before the watchdog timer is fired.  If TimerPeriod of
-                                  zero is returned, then the watchdog timer is disabled.
-
-  @retval EFI_SUCCESS             The amount of time that the system will wait before
-                                  firing the watchdog timer was returned in TimerPeriod.
-  @retval EFI_INVALID_PARAMETER   TimerPeriod is NULL.
-
-**/
-EFI_STATUS
-EFIAPI
-WatchdogTimerDriverGetTimerPeriod (
-  IN EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  *This,
-  IN UINT64                            *TimerPeriod
-  )
-{
-  if (TimerPeriod == NULL) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  *TimerPeriod = mWatchdogTimerPeriod;
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Entry point of the Watchdog Timer Architectural Protocol driver.
-
-  @param  ImageHandle   The image handle of this driver.
-  @param  SystemTable   The pointer of EFI_SYSTEM_TABLE.
-
-  @retval EFI_SUCCESS   Watchdog Timer Architectural Protocol successfully installed.
-
-**/
-EFI_STATUS
-EFIAPI
-WatchdogTimerDriverInitialize (
-  IN EFI_HANDLE        ImageHandle,
-  IN EFI_SYSTEM_TABLE  *SystemTable
-  )
-{
-  EFI_STATUS  Status;
-
-  //
-  // Make sure the Watchdog Timer Architectural Protocol has not been installed in the system yet.
-  //
-  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiWatchdogTimerArchProtocolGuid);
-
-  //
-  // Create the timer event to implement a simple watchdog timer
-  //
-  Status = gBS->CreateEvent (
-                  EVT_TIMER | EVT_NOTIFY_SIGNAL,
-                  TPL_NOTIFY,
-                  WatchdogTimerDriverExpires,
-                  NULL,
-                  &mWatchdogTimerEvent
-                  );
-  ASSERT_EFI_ERROR (Status);
-
-  //
-  // Install the Watchdog Timer Arch Protocol onto a new handle
-  //
-  Status = gBS->InstallMultipleProtocolInterfaces (
-                  &mWatchdogTimerHandle,
-                  &gEfiWatchdogTimerArchProtocolGuid,
-                  &mWatchdogTimer,
-                  NULL
-                  );
-  ASSERT_EFI_ERROR (Status);
-
-  return EFI_SUCCESS;
-}
+/** @file
+  Implementation of Watchdog Timer Architectural Protocol using UEFI APIs.
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "WatchdogTimer.h"
+
+//
+// Handle for the Watchdog Timer Architectural Protocol instance produced by this driver
+//
+EFI_HANDLE  mWatchdogTimerHandle = NULL;
+
+//
+// The Watchdog Timer Architectural Protocol instance produced by this driver
+//
+EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  mWatchdogTimer = {
+  WatchdogTimerDriverRegisterHandler,
+  WatchdogTimerDriverSetTimerPeriod,
+  WatchdogTimerDriverGetTimerPeriod
+};
+
+//
+// The watchdog timer period in 100 ns units
+//
+UINT64  mWatchdogTimerPeriod = 0;
+
+//
+// The notification function to call if the watchdig timer fires
+//
+EFI_WATCHDOG_TIMER_NOTIFY  mWatchdogTimerNotifyFunction = NULL;
+
+//
+// The one-shot timer event that is armed when the watchdog timer is enabled
+//
+EFI_EVENT  mWatchdogTimerEvent;
+
+/**
+  Notification function that is called if the watchdog timer is fired.
+
+  Notification function for the one-shot timer event that was signaled
+  when the watchdog timer expired. If a handler has been registered with
+  the Watchdog Timer Architectural Protocol, then that handler is called
+  passing in the time period that has passed that cause the watchdog timer
+  to fire.  Then, a call to the Runtime Service ResetSystem() is made to
+  reset the platform.
+
+  @param  Timer     The one-shot timer event that was signaled when the
+                    watchdog timer expired.
+  @param  Context   The context that was registered when the event Timer was created.
+
+**/
+VOID
+EFIAPI
+WatchdogTimerDriverExpires (
+  IN EFI_EVENT  Timer,
+  IN VOID       *Context
+  )
+{
+  REPORT_STATUS_CODE (EFI_ERROR_CODE | EFI_ERROR_MINOR, (EFI_COMPUTING_UNIT_HOST_PROCESSOR | EFI_CU_HP_EC_TIMER_EXPIRED));
+
+  //
+  // If a notification function has been registered, then call it
+  //
+  if (mWatchdogTimerNotifyFunction != NULL) {
+    mWatchdogTimerNotifyFunction (mWatchdogTimerPeriod);
+  }
+
+  DEBUG ((DEBUG_ERROR, "Watchdog Timer resetting system\n"));
+
+  //
+  // Reset the platform
+  //
+  gRT->ResetSystem (EfiResetCold, EFI_TIMEOUT, 0, NULL);
+}
+
+/**
+  Registers a handler that is to be invoked when the watchdog timer fires.
+
+  This function registers a handler that is to be invoked when the watchdog
+  timer fires.  By default, the EFI_WATCHDOG_TIMER protocol will call the
+  Runtime Service ResetSystem() when the watchdog timer fires.  If a
+  NotifyFunction is registered, then the NotifyFunction will be called before
+  the Runtime Service ResetSystem() is called.  If NotifyFunction is NULL, then
+  the watchdog handler is unregistered.  If a watchdog handler is registered,
+  then EFI_SUCCESS is returned.  If an attempt is made to register a handler
+  when a handler is already registered, then EFI_ALREADY_STARTED is returned.
+  If an attempt is made to uninstall a handler when a handler is not installed,
+  then return EFI_INVALID_PARAMETER.
+
+  @param  This                  The EFI_WATCHDOG_TIMER_ARCH_PROTOCOL instance.
+  @param  NotifyFunction        The function to call when the watchdog timer fires.  If this
+                                is NULL, then the handler will be unregistered.
+
+  @retval EFI_SUCCESS           The watchdog timer handler was registered or unregistered.
+  @retval EFI_ALREADY_STARTED   NotifyFunction is not NULL, and a handler is already registered.
+  @retval EFI_INVALID_PARAMETER NotifyFunction is NULL, and a handler was not previously registered.
+
+**/
+EFI_STATUS
+EFIAPI
+WatchdogTimerDriverRegisterHandler (
+  IN EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  *This,
+  IN EFI_WATCHDOG_TIMER_NOTIFY         NotifyFunction
+  )
+{
+  //
+  // If NotifyFunction is NULL, and a handler was not previously registered,
+  // return EFI_INVALID_PARAMETER.
+  //
+  if ((NotifyFunction == NULL) && (mWatchdogTimerNotifyFunction == NULL)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  //
+  // If NotifyFunction is not NULL, and a handler is already registered,
+  // return EFI_ALREADY_STARTED.
+  //
+  if ((NotifyFunction != NULL) && (mWatchdogTimerNotifyFunction != NULL)) {
+    return EFI_ALREADY_STARTED;
+  }
+
+  mWatchdogTimerNotifyFunction = NotifyFunction;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Sets the amount of time in the future to fire the watchdog timer.
+
+  This function sets the amount of time to wait before firing the watchdog
+  timer to TimerPeriod 100 ns units.  If TimerPeriod is 0, then the watchdog
+  timer is disabled.
+
+  @param  This              The EFI_WATCHDOG_TIMER_ARCH_PROTOCOL instance.
+  @param  TimerPeriod       The amount of time in 100 ns units to wait before the watchdog
+                            timer is fired.  If TimerPeriod is zero, then the watchdog
+                            timer is disabled.
+
+  @retval EFI_SUCCESS       The watchdog timer has been programmed to fire in Time
+                            100 ns units.
+  @retval EFI_DEVICE_ERROR  A watchdog timer could not be programmed due to a device
+                            error.
+
+**/
+EFI_STATUS
+EFIAPI
+WatchdogTimerDriverSetTimerPeriod (
+  IN EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  *This,
+  IN UINT64                            TimerPeriod
+  )
+{
+  mWatchdogTimerPeriod = TimerPeriod;
+
+  return gBS->SetTimer (
+                mWatchdogTimerEvent,
+                (mWatchdogTimerPeriod == 0) ? TimerCancel : TimerRelative,
+                mWatchdogTimerPeriod
+                );
+}
+
+/**
+  Retrieves the amount of time in 100 ns units that the system will wait before firing the watchdog timer.
+
+  This function retrieves the amount of time the system will wait before firing
+  the watchdog timer.  This period is returned in TimerPeriod, and EFI_SUCCESS
+  is returned.  If TimerPeriod is NULL, then EFI_INVALID_PARAMETER is returned.
+
+  @param  This                    The EFI_WATCHDOG_TIMER_ARCH_PROTOCOL instance.
+  @param  TimerPeriod             A pointer to the amount of time in 100 ns units that the system
+                                  will wait before the watchdog timer is fired.  If TimerPeriod of
+                                  zero is returned, then the watchdog timer is disabled.
+
+  @retval EFI_SUCCESS             The amount of time that the system will wait before
+                                  firing the watchdog timer was returned in TimerPeriod.
+  @retval EFI_INVALID_PARAMETER   TimerPeriod is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+WatchdogTimerDriverGetTimerPeriod (
+  IN EFI_WATCHDOG_TIMER_ARCH_PROTOCOL  *This,
+  IN UINT64                            *TimerPeriod
+  )
+{
+  if (TimerPeriod == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  *TimerPeriod = mWatchdogTimerPeriod;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Entry point of the Watchdog Timer Architectural Protocol driver.
+
+  @param  ImageHandle   The image handle of this driver.
+  @param  SystemTable   The pointer of EFI_SYSTEM_TABLE.
+
+  @retval EFI_SUCCESS   Watchdog Timer Architectural Protocol successfully installed.
+
+**/
+EFI_STATUS
+EFIAPI
+WatchdogTimerDriverInitialize (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS  Status;
+
+  //
+  // Make sure the Watchdog Timer Architectural Protocol has not been installed in the system yet.
+  //
+  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiWatchdogTimerArchProtocolGuid);
+
+  //
+  // Create the timer event to implement a simple watchdog timer
+  //
+  Status = gBS->CreateEvent (
+                  EVT_TIMER | EVT_NOTIFY_SIGNAL,
+                  TPL_NOTIFY,
+                  WatchdogTimerDriverExpires,
+                  NULL,
+                  &mWatchdogTimerEvent
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Install the Watchdog Timer Arch Protocol onto a new handle
+  //
+  Status = gBS->InstallMultipleProtocolInterfaces (
+                  &mWatchdogTimerHandle,
+                  &gEfiWatchdogTimerArchProtocolGuid,
+                  &mWatchdogTimer,
+                  NULL
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  return EFI_SUCCESS;
+}