- globally disable warnings for char array subscripts

[reactos.git] / ntoskrnl / po / power.c

diff --git a/ntoskrnl/po/power.c b/ntoskrnl/po/power.c
index 21fe706..f103898 100644 (file)
--- a/ntoskrnl/po/power.c
+++ b/ntoskrnl/po/power.c
@@ -15,8 +15,6 @@
 
 /* GLOBALS *******************************************************************/
 
-extern ULONG ExpInitialiationPhase;
-
 typedef struct _REQUEST_POWER_ITEM
 {
     PREQUEST_POWER_COMPLETE CompletionRoutine;
@@ -126,8 +124,7 @@ PopSetSystemPowerState(SYSTEM_POWER_STATE PowerState)
 
 BOOLEAN
 NTAPI
-PoInitSystem(IN ULONG BootPhase,
-             IN BOOLEAN HaveAcpiTable)
+PoInitSystem(IN ULONG BootPhase)
 {
     PVOID NotificationEntry;
     PCHAR CommandLine;
@@ -164,8 +161,8 @@ PoInitSystem(IN ULONG BootPhase,
     }
     else
     {
-        /* Otherwise check the LoaderBlock's Flag */
-        PopAcpiPresent = HaveAcpiTable;
+        /* Otherwise check if the LoaderBlock has a ACPI Table  */
+        PopAcpiPresent = KeLoaderBlock->Extension->AcpiTable != NULL ? TRUE : FALSE;
     }
 
     return TRUE;
@@ -216,6 +213,84 @@ PoInitializePrcb(IN PKPRCB Prcb)
 
 /* PUBLIC FUNCTIONS **********************************************************/
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+PoCancelDeviceNotify(IN PVOID NotifyBlock)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+PoRegisterDeviceNotify(OUT PVOID Unknown0,
+                       IN ULONG Unknown1,
+                       IN ULONG Unknown2,
+                       IN ULONG Unknown3,
+                       IN PVOID Unknown4,
+                       IN PVOID Unknown5)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ * @unimplemented
+ */
+VOID
+NTAPI
+PoShutdownBugCheck(IN BOOLEAN LogError,
+                   IN ULONG BugCheckCode,
+                   IN ULONG_PTR BugCheckParameter1,
+                   IN ULONG_PTR BugCheckParameter2,
+                   IN ULONG_PTR BugCheckParameter3,
+                   IN ULONG_PTR BugCheckParameter4)
+{
+    DPRINT1("PoShutdownBugCheck called\n");
+
+    /* FIXME: Log error if requested */
+    /* FIXME: Initiate a shutdown */
+
+    /* Bugcheck the system */
+    KeBugCheckEx(BugCheckCode,
+                 BugCheckParameter1,
+                 BugCheckParameter2,
+                 BugCheckParameter3,
+                 BugCheckParameter4);
+}
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+PoRequestShutdownEvent(OUT PVOID *Event)
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ * @unimplemented
+ */
+VOID
+NTAPI
+PoSetHiberRange(IN PVOID HiberContext,
+                IN ULONG Flags,
+                IN OUT PVOID StartPage,
+                IN ULONG Length,
+                IN ULONG PageTag)
+{
+    UNIMPLEMENTED;
+    return;
+}
+
 /*
  * @implemented
  */
@@ -448,7 +523,7 @@ NtPowerInformation(IN POWER_INFORMATION_LEVEL PowerInformationLevel,
 
             /* Just zero the struct (and thus set BatteryState->BatteryPresent = FALSE) */
             RtlZeroMemory(BatteryState, sizeof(SYSTEM_BATTERY_STATE));
-            BatteryState->EstimatedTime = (ULONG)-1;
+            BatteryState->EstimatedTime = MAXULONG;
 
             Status = STATUS_SUCCESS;
             break;
@@ -510,6 +585,54 @@ NTAPI
 NtSetThreadExecutionState(IN EXECUTION_STATE esFlags,
                           OUT EXECUTION_STATE *PreviousFlags)
 {
-    UNIMPLEMENTED;
-    return STATUS_NOT_IMPLEMENTED;
+    PKTHREAD Thread = KeGetCurrentThread();
+    KPROCESSOR_MODE PreviousMode = KeGetPreviousMode();
+    EXECUTION_STATE PreviousState;
+    PAGED_CODE();
+
+    /* Validate flags */
+    if (esFlags & ~(ES_CONTINUOUS | ES_USER_PRESENT))
+    {
+        /* Fail the request */
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    /* Check for user parameters */
+    if (PreviousMode != KernelMode)
+    {
+        /* Protect the probes */
+        _SEH2_TRY
+        {
+            /* Check if the pointer is valid */
+            ProbeForWriteUlong(PreviousFlags);
+        }
+        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+        {
+            /* It isn't -- fail */
+            _SEH2_YIELD(return _SEH2_GetExceptionCode());
+        }
+        _SEH2_END;
+    }
+
+    /* Save the previous state, always masking in the continous flag */
+    PreviousState = Thread->PowerState | ES_CONTINUOUS;
+
+    /* Check if we need to update the power state */
+    if (esFlags & ES_CONTINUOUS) Thread->PowerState = esFlags;
+
+    /* Protect the write back to user mode */
+    _SEH2_TRY
+    {
+        /* Return the previous flags */
+        *PreviousFlags = PreviousState;
+    }
+    _SEH2_EXCEPT(ExSystemExceptionFilter())
+    {
+        /* Something's wrong, fail */
+        _SEH2_YIELD(return _SEH2_GetExceptionCode());
+    }
+    _SEH2_END;
+
+    /* All is good */
+    return STATUS_SUCCESS;
 }