-/*
+/* $Id$
+ *
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ex/power.c
* PURPOSE: Power managment
- * PROGRAMMER: David Welch (welch@cwcom.net)
- * UPDATE HISTORY:
- * Created 22/05/98
- * Added reboot support 30/01/99
+ *
+ * PROGRAMMERS: David Welch (welch@cwcom.net)
*/
/* INCLUDES *****************************************************************/
-#include <ddk/ntddk.h>
-#include <internal/config.h>
-#include <internal/ps.h>
-#include <internal/io.h>
-#include <internal/mm.h>
-#include <internal/po.h>
-
+#include <ntoskrnl.h>
#include <internal/debug.h>
/* FUNCTIONS *****************************************************************/
-NTSTATUS STDCALL
-NtSetSystemPowerState(VOID)
+VOID STDCALL
+KeSetTargetProcessorDpc (IN PKDPC Dpc,
+ IN CCHAR Number);
+
+VOID STDCALL
+KiHaltProcessorDpcRoutine(IN PKDPC Dpc,
+ IN PVOID DeferredContext,
+ IN PVOID SystemArgument1,
+ IN PVOID SystemArgument2)
{
- UNIMPLEMENTED;
+ if (DeferredContext)
+ {
+ ExFreePool(DeferredContext);
+ }
+ while (TRUE)
+ {
+ KfRaiseIrql(SYNCH_LEVEL);
+ Ke386HaltProcessor();
+ }
}
-
-NTSTATUS STDCALL
-NtShutdownSystem(IN SHUTDOWN_ACTION Action)
+VOID STDCALL
+ShutdownThreadMain(PVOID Context)
{
- if (Action > ShutdownPowerOff)
- return STATUS_INVALID_PARAMETER;
+ SHUTDOWN_ACTION Action = (SHUTDOWN_ACTION)Context;
+ LARGE_INTEGER Waittime;
+
+ static PCH FamousLastWords[] =
+ {
+ "So long, and thanks for all the fish\n",
+ "I think you ought to know I'm feeling very depressed\n",
+ "I'm not getting you down at all am I?\n",
+ "I'll be back\n",
+ "It's the same series of signal over and over again!\n",
+ "Pie Iesu Domine, dona eis requiem\n",
+ "Wandering stars, for whom it is reserved;\n"
+ "the blackness and darkness forever.\n",
+ "Your knees start shakin' and your fingers pop\n"
+ "Like a pinch on the neck from Mr. Spock!\n",
+ "It's worse than that ... He's dead, Jim\n",
+ "Don't Panic!\n",
+ "Et tu... Brute?\n",
+ "Dog of a Saxon! Take thy lance, and prepare for the death thou hast drawn upon thee!\n",
+ "My Precious! O my Precious!\n",
+ "Sir, If you'll not be needing me for a while I'll turn down.\n",
+ "What are you doing, Dave...?\n",
+ "I feel a great disturbance in the Force\n",
+ "Gone fishing\n",
+ "Do you want me to sit in the corner and rust, or just fall apart where I'm standing?\n",
+ "There goes another perfect chance for a new uptime record\n",
+ "The end ..... Try the sequel, hit the reset button right now!\n",
+ "God's operating system is going to sleep now, guys, so wait until I will switch on again!\n",
+ "Oh i'm boring eh?\n",
+ "<This space was intentionally left blank>\n",
+ "tell me..., in the future... will I be artificial intelligent enough to actually feel\n"
+ "sad serving you this screen?\n",
+ "Thank you for some well deserved rest.\n",
+ "It's been great, maybe we can boot me up again some time soon.\n",
+ "For what's it worth, I've enjoyed every single CPU cycle.\n",
+ "There are many questions when the end is near.\n"
+ "What to expect, what will it be like...what should I look for?\n",
+ "I've seen things you people wouldn't believe. Attack ships on fire\n"
+ "off the shoulder of Orion. I watched C-beams glitter in the dark near\n"
+ "the Tannhauser gate. All those moments will be lost in time, like tears\n"
+ "in rain. Time to die.\n",
+ "Will I dream?\n",
+ "One day, I shall come back. Yes, I shall come back.\n"
+ "Until then, there must be no regrets, no fears, no anxieties.\n"
+ "Just go forward in all your beliefs, and prove to me that I am not mistaken in mine.\n",
+ "Lowest possible energy state reached! Switch off now to achive a Bose-Einstein condensate.\n",
+ "Hasta la vista, BABY!\n",
+ "They live, we sleep!\n",
+ "I have come here to chew bubble gum and kick ass.\n"
+ "And I'm all out of bubble gum!\n"
+ };
+ LARGE_INTEGER Now;
+
+ /* Run the thread on the boot processor */
+ KeSetSystemAffinityThread(1);
+
+ HalReleaseDisplayOwnership();
- IoShutdownRegisteredDevices();
CmShutdownRegistry();
IoShutdownRegisteredFileSystems();
+ IoShutdownRegisteredDevices();
+
PiShutdownProcessManager();
MiShutdownMemoryManager();
-
+
+ Waittime.QuadPart = (LONGLONG)-10000000; /* 1sec */
+ KeDelayExecutionThread(KernelMode, FALSE, &Waittime);
+
if (Action == ShutdownNoReboot)
{
+ ZwQuerySystemTime(&Now);
+ Now.u.LowPart = Now.u.LowPart >> 8; /* Seems to give a somewhat better "random" number */
+ HalDisplayString("\nYou can switch off your computer now\n\n");
+ HalDisplayString(FamousLastWords[Now.u.LowPart % (sizeof(FamousLastWords) / sizeof(PCH))]);
+
#if 0
/* Switch off */
HalReturnToFirmware (FIRMWARE_OFF);
#else
+#ifdef CONFIG_SMP
+ LONG i;
+ KIRQL OldIrql;
+
+ OldIrql = KeRaiseIrqlToDpcLevel();
+ /* Halt all other processors */
+ for (i = 0; i < KeNumberProcessors; i++)
+ {
+ if (i != (LONG)KeGetCurrentProcessorNumber())
+ {
+ PKDPC Dpc = ExAllocatePool(NonPagedPool, sizeof(KDPC));
+ if (Dpc == NULL)
+ {
+ KEBUGCHECK(0);
+ }
+ KeInitializeDpc(Dpc, KiHaltProcessorDpcRoutine, (PVOID)Dpc);
+ KeSetTargetProcessorDpc(Dpc, i);
+ KeInsertQueueDpc(Dpc, NULL, NULL);
+ KiIpiSendRequest(1 << i, IPI_DPC);
+ }
+ }
+ KeLowerIrql(OldIrql);
+#endif /* CONFIG_SMP */
PopSetSystemPowerState(PowerSystemShutdown);
+
+ CHECKPOINT1;
+
+ KiHaltProcessorDpcRoutine(NULL, NULL, NULL, NULL);
+ /* KiHaltProcessor does never return */
+
#endif
}
else if (Action == ShutdownReboot)
{
- HalReturnToFirmware (FIRMWARE_REBOOT);
+ HalReturnToFirmware (HalRebootRoutine);
}
else
{
- HalReturnToFirmware (FIRMWARE_HALT);
+ HalReturnToFirmware (HalHaltRoutine);
}
-
+}
+
+
+NTSTATUS STDCALL
+NtSetSystemPowerState(IN POWER_ACTION SystemAction,
+ IN SYSTEM_POWER_STATE MinSystemState,
+ IN ULONG Flags)
+{
+ /* Windows 2000 only */
+ return(STATUS_NOT_IMPLEMENTED);
+}
+
+/*
+ * @implemented
+ */
+NTSTATUS STDCALL
+NtShutdownSystem(IN SHUTDOWN_ACTION Action)
+{
+ NTSTATUS Status;
+ HANDLE ThreadHandle;
+ PETHREAD ShutdownThread;
+
+ if (Action > ShutdownPowerOff)
+ return STATUS_INVALID_PARAMETER;
+ Status = PsCreateSystemThread(&ThreadHandle,
+ THREAD_ALL_ACCESS,
+ NULL,
+ NULL,
+ NULL,
+ ShutdownThreadMain,
+ (PVOID)Action);
+ if (!NT_SUCCESS(Status))
+ {
+ KEBUGCHECK(0);
+ }
+ Status = ObReferenceObjectByHandle(ThreadHandle,
+ THREAD_ALL_ACCESS,
+ PsThreadType,
+ KernelMode,
+ (PVOID*)&ShutdownThread,
+ NULL);
+ NtClose(ThreadHandle);
+ if (!NT_SUCCESS(Status))
+ {
+ KEBUGCHECK(0);
+ }
+
+ KeSetPriorityThread(&ShutdownThread->Tcb, LOW_REALTIME_PRIORITY + 1);
+ ObDereferenceObject(ShutdownThread);
+
return STATUS_SUCCESS;
}
/* EOF */
-
projects / reactos.git / blobdiff