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[NTOSKRNL]
Implement SystemTimeAdjustmentInformation case in NtSetSystemInformation. This silences the annoying messages caused by VBoxService svn path=/trunk/; revision=54081
This commit is contained in:
Timo Kreuzer
parent
072e367a5d
commit
f3a426e89f
3 changed files with 42 additions and 25 deletions
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@ -1391,7 +1391,7 @@ QSI_DEF(SystemTimeAdjustmentInformation)
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/* Give time values to our caller */
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TimeInfo->TimeIncrement = KeMaximumIncrement;
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TimeInfo->TimeAdjustment = KeTimeAdjustment;
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TimeInfo->Enable = TRUE;
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TimeInfo->Enable = !KiTimeAdjustmentEnabled;
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return STATUS_SUCCESS;
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}
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@ -1399,8 +1399,8 @@ QSI_DEF(SystemTimeAdjustmentInformation)
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SSI_DEF(SystemTimeAdjustmentInformation)
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{
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KPROCESSOR_MODE PreviousMode = KeGetPreviousMode();
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/*PSYSTEM_SET_TIME_ADJUST_INFORMATION TimeInfo =
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(PSYSTEM_SET_TIME_ADJUST_INFORMATION)Buffer;*/
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PSYSTEM_SET_TIME_ADJUST_INFORMATION TimeInfo =
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(PSYSTEM_SET_TIME_ADJUST_INFORMATION)Buffer;
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/* Check size of a buffer, it must match our expectations */
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if (sizeof(SYSTEM_SET_TIME_ADJUST_INFORMATION) != Size)
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@ -1416,9 +1416,24 @@ SSI_DEF(SystemTimeAdjustmentInformation)
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}
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}
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/* TODO: Set time adjustment information */
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DPRINT1("Setting of SystemTimeAdjustmentInformation is not implemented yet!\n");
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return STATUS_NOT_IMPLEMENTED;
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/* FIXME: behaviour suggests the member be named 'Disable' */
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if (TimeInfo->Enable)
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{
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/* Disable time adjustment and set default value */
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KiTimeAdjustmentEnabled = FALSE;
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KeTimeAdjustment = KeMaximumIncrement;
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}
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else
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{
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/* Check if a valid time adjustment value is given */
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if (TimeInfo->TimeAdjustment == 0) return STATUS_INVALID_PARAMETER_2;
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/* Enable time adjustment and set the adjustment value */
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KiTimeAdjustmentEnabled = TRUE;
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KeTimeAdjustment = TimeInfo->TimeAdjustment;
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}
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return STATUS_SUCCESS;
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}
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/* Class 29 - Summary Memory Information */
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@ -132,6 +132,7 @@ extern PVOID KeUserExceptionDispatcher;
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extern PVOID KeRaiseUserExceptionDispatcher;
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extern ULONG KeTimeIncrement;
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extern ULONG KeTimeAdjustment;
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extern BOOLEAN KiTimeAdjustmentEnabled;
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extern LONG KiTickOffset;
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extern ULONG_PTR KiBugCheckData[5];
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extern ULONG KiFreezeFlag;
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@ -16,6 +16,7 @@
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LONG KiTickOffset;
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ULONG KeTimeAdjustment;
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BOOLEAN KiTimeAdjustmentEnabled = FALSE;
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/* FUNCTIONS ******************************************************************/
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@ -23,12 +24,12 @@ VOID
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FASTCALL
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KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
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IN ULONG Increment,
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IN KIRQL Irql)
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IN KIRQL Irql)
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{
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PKPRCB Prcb = KeGetCurrentPrcb();
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ULARGE_INTEGER CurrentTime, InterruptTime;
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ULONG Hand, OldTickCount;
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/* Add the increment time to the shared data */
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InterruptTime.HighPart = SharedUserData->InterruptTime.High1Time;
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InterruptTime.LowPart = SharedUserData->InterruptTime.LowPart;
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@ -36,10 +37,10 @@ KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
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SharedUserData->InterruptTime.High1Time = InterruptTime.HighPart;
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SharedUserData->InterruptTime.LowPart = InterruptTime.LowPart;
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SharedUserData->InterruptTime.High2Time = InterruptTime.HighPart;
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/* Update tick count */
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InterlockedExchangeAdd(&KiTickOffset, -(LONG)Increment);
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/* Check for incomplete tick */
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OldTickCount = KeTickCount.LowPart;
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if (KiTickOffset <= 0)
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@ -51,7 +52,7 @@ KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
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SharedUserData->SystemTime.High2Time = CurrentTime.HighPart;
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SharedUserData->SystemTime.LowPart = CurrentTime.LowPart;
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SharedUserData->SystemTime.High1Time = CurrentTime.HighPart;
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/* Update the tick count */
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CurrentTime.HighPart = KeTickCount.High1Time;
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CurrentTime.LowPart = OldTickCount;
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@ -59,50 +60,50 @@ KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
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KeTickCount.High2Time = CurrentTime.HighPart;
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KeTickCount.LowPart = CurrentTime.LowPart;
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KeTickCount.High1Time = CurrentTime.HighPart;
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/* Update it in the shared user data */
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SharedUserData->TickCount.High2Time = CurrentTime.HighPart;
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SharedUserData->TickCount.LowPart = CurrentTime.LowPart;
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SharedUserData->TickCount.High1Time = CurrentTime.HighPart;
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/* Check for timer expiration */
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Hand = OldTickCount & (TIMER_TABLE_SIZE - 1);
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if (KiTimerTableListHead[Hand].Time.QuadPart <= InterruptTime.QuadPart)
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{
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/* Check if we are already doing expiration */
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if (!Prcb->TimerRequest)
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{
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{
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/* Request a DPC to handle this */
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Prcb->TimerRequest = (ULONG_PTR)TrapFrame;
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Prcb->TimerHand = Hand;
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HalRequestSoftwareInterrupt(DISPATCH_LEVEL);
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}
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}
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/* Check for expiration with the new tick count as well */
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OldTickCount++;
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}
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/* Check for timer expiration */
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Hand = OldTickCount & (TIMER_TABLE_SIZE - 1);
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if (KiTimerTableListHead[Hand].Time.QuadPart <= InterruptTime.QuadPart)
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{
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/* Check if we are already doing expiration */
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if (!Prcb->TimerRequest)
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{
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{
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/* Request a DPC to handle this */
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Prcb->TimerRequest = (ULONG_PTR)TrapFrame;
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Prcb->TimerHand = Hand;
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HalRequestSoftwareInterrupt(DISPATCH_LEVEL);
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}
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}
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/* Check if this was a full tick */
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if (KiTickOffset <= 0)
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{
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/* Update the tick offset */
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KiTickOffset += KeMaximumIncrement;
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/* Update system runtime */
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KeUpdateRunTime(TrapFrame, Irql);
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}
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@ -111,7 +112,7 @@ KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
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/* Increase interrupt count and exit */
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Prcb->InterruptCount++;
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}
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/* Disable interrupts and end the interrupt */
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KiEndInterrupt(Irql, TrapFrame);
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}
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@ -126,7 +127,7 @@ KeUpdateRunTime(IN PKTRAP_FRAME TrapFrame,
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/* Increase interrupt count */
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Prcb->InterruptCount++;
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/* Check if we came from user mode */
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#ifndef _M_ARM
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if ((TrapFrame->SegCs & MODE_MASK) || (TrapFrame->EFlags & EFLAGS_V86_MASK))
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@ -158,19 +159,19 @@ KeUpdateRunTime(IN PKTRAP_FRAME TrapFrame,
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Prcb->DpcTime++;
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}
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}
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/* Update DPC rates */
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Prcb->DpcRequestRate = ((Prcb->DpcData[0].DpcCount - Prcb->DpcLastCount) +
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Prcb->DpcRequestRate) >> 1;
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Prcb->DpcLastCount = Prcb->DpcData[0].DpcCount;
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/* Check if the queue is large enough */
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if ((Prcb->DpcData[0].DpcQueueDepth) && !(Prcb->DpcRoutineActive))
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{
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/* Request a DPC */
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Prcb->AdjustDpcThreshold = KiAdjustDpcThreshold;
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HalRequestSoftwareInterrupt(DISPATCH_LEVEL);
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/* Fix the maximum queue depth */
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if ((Prcb->DpcRequestRate < KiIdealDpcRate) &&
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(Prcb->MaximumDpcQueueDepth > 1))
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@ -193,7 +194,7 @@ KeUpdateRunTime(IN PKTRAP_FRAME TrapFrame,
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}
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}
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}
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/* Decrement the thread quantum */
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Thread->Quantum -= CLOCK_QUANTUM_DECREMENT;
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