Check in DxeCore for Nt32 platform. Currently, it does not follow PI/UEFI2.1.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3045 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c

@@ -0,0 +1,83 @@
+/*++
+
+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.             
+
+Module Name:
+
+    SetWatchdogTimer.c
+
+Abstract:
+
+    Tiano Miscellaneous Services SetWatchdogTimer service implementation
+
+--*/
+
+#include <DxeMain.h>
+
+#define WATCHDOG_TIMER_CALIBRATE_PER_SECOND 10000000
+
+
+EFI_STATUS
+EFIAPI
+CoreSetWatchdogTimer (
+  IN UINTN    Timeout,
+  IN UINT64   WatchdogCode,
+  IN UINTN    DataSize,
+  IN CHAR16   *WatchdogData OPTIONAL
+  )
+/*++
+
+Routine Description:
+
+  Sets the system's watchdog timer.
+
+Arguments:
+
+  Timeout         The number of seconds.  Zero disables the timer.
+
+  ///////following  three parameters are left for platform specific using  
+  
+  WatchdogCode    The numberic code to log.  0x0 to 0xffff are firmware
+  DataSize        Size of the optional data
+  WatchdogData    Optional Null terminated unicode string followed by binary 
+                  data.
+
+Returns:
+
+  EFI_SUCCESS               Timeout has been set
+  EFI_NOT_AVAILABLE_YET     WatchdogTimer is not available yet 
+  EFI_UNSUPPORTED           System does not have a timer (currently not used)
+  EFI_DEVICE_ERROR          Could not complete due to hardware error
+
+--*/
+{
+  EFI_STATUS  Status;
+
+  //
+  // Check our architectural protocol
+  //
+  if (gWatchdogTimer == NULL) {
+    return EFI_NOT_AVAILABLE_YET;
+  }
+
+  //
+  // Attempt to set the timeout
+  //
+  Status = gWatchdogTimer->SetTimerPeriod (gWatchdogTimer, MultU64x32 (Timeout, WATCHDOG_TIMER_CALIBRATE_PER_SECOND));
+
+  //
+  // Check for errors
+  //
+  if (EFI_ERROR (Status)) {
+    return EFI_DEVICE_ERROR;
+  }
+
+  return EFI_SUCCESS;
+}