SetWatchdogTimer.c

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#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
  )
{
  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;
}