public void SetSteadyClockRawTimePoint(KThread thread, TimeSpanType currentTimePoint)
{
SteadyClockContext context = ReadObjectFromSharedMemory <SteadyClockContext>(SteadyClockContextOffset, 4);
TimeSpanType ticksTimeSpan = TimeSpanType.FromTicks(thread.Context.CntpctEl0, thread.Context.CntfrqEl0);
context.InternalOffset = (ulong)(currentTimePoint.NanoSeconds - ticksTimeSpan.NanoSeconds);
WriteObjectToSharedMemory(SteadyClockContextOffset, 4, context);
}
public void SetupStandardSteadyClock(ITickSource tickSource, UInt128 clockSourceId, TimeSpanType currentTimePoint)
{
TimeSpanType ticksTimeSpan = TimeSpanType.FromTicks(tickSource.Counter, tickSource.Frequency);
SteadyClockContext context = new SteadyClockContext
{
InternalOffset = (ulong)(currentTimePoint.NanoSeconds - ticksTimeSpan.NanoSeconds),
ClockSourceId = clockSourceId
};
WriteObjectToSharedMemory(SteadyClockContextOffset, 4, context);
}
[Command(300)] // 4.0.0+
// CalculateMonotonicSystemClockBaseTimePoint(nn::time::SystemClockContext) -> s64
public ResultCode CalculateMonotonicSystemClockBaseTimePoint(ServiceCtx context)
{
SystemClockContext otherContext = context.RequestData.ReadStruct <SystemClockContext>();
SteadyClockTimePoint currentTimePoint = StandardSteadyClockCore.Instance.GetCurrentTimePoint(context.Thread);
ResultCode result = ResultCode.TimeMismatch;
if (currentTimePoint.ClockSourceId == otherContext.SteadyTimePoint.ClockSourceId)
{
TimeSpanType ticksTimeSpan = TimeSpanType.FromTicks(context.Thread.Context.CntpctEl0, context.Thread.Context.CntfrqEl0);
long baseTimePoint = otherContext.Offset + currentTimePoint.TimePoint - ticksTimeSpan.ToSeconds();
context.ResponseData.Write(baseTimePoint);
result = 0;
}
return(result);
}
public void SetupStandardSteadyClock(KThread thread, UInt128 clockSourceId, TimeSpanType currentTimePoint)
{
TimeSpanType ticksTimeSpan;
// As this may be called before the guest code, we support passing a null thread to make this api usable.
if (thread == null)
{
ticksTimeSpan = TimeSpanType.FromSeconds(0);
}
else
{
ticksTimeSpan = TimeSpanType.FromTicks(thread.Context.CntpctEl0, thread.Context.CntfrqEl0);
}
SteadyClockContext context = new SteadyClockContext
{
InternalOffset = (ulong)(currentTimePoint.NanoSeconds - ticksTimeSpan.NanoSeconds),
ClockSourceId = clockSourceId
};
WriteObjectToSharedMemory(SteadyClockContextOffset, 4, context);
}
