ntoskrnl/ex/power.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntoskrnl/ex/power.c
   5  * PURPOSE:         Power managment
   6  * PROGRAMMER:      David Welch (welch@cwcom.net)
   7  * UPDATE HISTORY:
   8  *                  Created 22/05/98
   9  *                  Added reboot support 30/01/99
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <ddk/ntddk.h>
  15 #include <roscfg.h>
  16 #include <internal/ps.h>
  17 #include <internal/io.h>
  18 #include <internal/mm.h>
  19 #include <internal/po.h>
  20 #include <internal/cc.h>
  21
  22 #include <internal/debug.h>
  23
  24 /* FUNCTIONS *****************************************************************/
  25
  26 NTSTATUS STDCALL
  27 NtSetSystemPowerState(IN POWER_ACTION SystemAction,
  28                       IN SYSTEM_POWER_STATE MinSystemState,
  29                       IN ULONG Flags)
  30 {
  31   /* Windows 2000 only */
  32   return(STATUS_NOT_IMPLEMENTED);
  33 }
  34
  35 NTSTATUS STDCALL
  36 NtShutdownSystem(IN SHUTDOWN_ACTION Action)
  37 {
  38    if (Action > ShutdownPowerOff)
  39      return STATUS_INVALID_PARAMETER;
  40
  41    IoShutdownRegisteredDevices();
  42    CmShutdownRegistry();
  43    IoShutdownRegisteredFileSystems();
  44
  45    PiShutdownProcessManager();
  46    MiShutdownMemoryManager();
  47
  48    if (Action == ShutdownNoReboot)
  49      {
  50 #if 0
  51         /* Switch off */
  52         HalReturnToFirmware (FIRMWARE_OFF);
  53 #else
  54         PopSetSystemPowerState(PowerSystemShutdown);
  55         __asm__("cli\n");
  56         while (TRUE)
  57           {
  58             ;
  59           }
  60 #endif
  61      }
  62    else if (Action == ShutdownReboot)
  63      {
  64         HalReturnToFirmware (FIRMWARE_REBOOT);
  65      }
  66    else
  67      {
  68         HalReturnToFirmware (FIRMWARE_HALT);
  69      }
  70
  71    return STATUS_SUCCESS;
  72 }
  73
  74 /* EOF */
  75