Ryujinx-git/Ryujinx.HLE/HOS/Services/Time/Clock/StandardSteadyClockCore.cs

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using Ryujinx.HLE.HOS.Kernel.Threading;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
class StandardSteadyClockCore : SteadyClockCore
{
private TimeSpanType _setupValue;
private TimeSpanType _testOffset;
private TimeSpanType _internalOffset;
private TimeSpanType _cachedRawTimePoint;
public StandardSteadyClockCore()
{
_setupValue = TimeSpanType.Zero;
_testOffset = TimeSpanType.Zero;
_internalOffset = TimeSpanType.Zero;
_cachedRawTimePoint = TimeSpanType.Zero;
}
public override SteadyClockTimePoint GetTimePoint(KThread thread)
{
SteadyClockTimePoint result = new SteadyClockTimePoint
{
TimePoint = GetCurrentRawTimePoint(thread).ToSeconds(),
ClockSourceId = GetClockSourceId()
};
return result;
}
public override TimeSpanType GetTestOffset()
{
return _testOffset;
}
public override void SetTestOffset(TimeSpanType testOffset)
{
_testOffset = testOffset;
}
public override TimeSpanType GetInternalOffset()
{
return _internalOffset;
}
public override void SetInternalOffset(TimeSpanType internalOffset)
{
_internalOffset = internalOffset;
}
public override TimeSpanType GetCurrentRawTimePoint(KThread thread)
{
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);
}
TimeSpanType rawTimePoint = new TimeSpanType(_setupValue.NanoSeconds + ticksTimeSpan.NanoSeconds);
if (rawTimePoint.NanoSeconds < _cachedRawTimePoint.NanoSeconds)
{
rawTimePoint.NanoSeconds = _cachedRawTimePoint.NanoSeconds;
}
_cachedRawTimePoint = rawTimePoint;
return rawTimePoint;
}
public void SetSetupValue(TimeSpanType setupValue)
{
_setupValue = setupValue;
}
}
}