RyuKen/Ryujinx.HLE/HOS/Services/Time/Clock/SystemClockCore.cs

145 lines
4.3 KiB
C#
Raw Normal View History

using System;
using Ryujinx.HLE.HOS.Kernel.Threading;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
abstract class SystemClockCore
{
private SteadyClockCore _steadyClockCore;
private SystemClockContext _context;
private bool _isInitialized;
private SystemClockContextUpdateCallback _systemClockContextUpdateCallback;
public SystemClockCore(SteadyClockCore steadyClockCore)
{
_steadyClockCore = steadyClockCore;
_context = new SystemClockContext();
_isInitialized = false;
_context.SteadyTimePoint.ClockSourceId = steadyClockCore.GetClockSourceId();
_systemClockContextUpdateCallback = null;
}
public virtual SteadyClockCore GetSteadyClockCore()
{
return _steadyClockCore;
}
public ResultCode GetCurrentTime(KThread thread, out long posixTime)
{
posixTime = 0;
SteadyClockTimePoint currentTimePoint = _steadyClockCore.GetCurrentTimePoint(thread);
ResultCode result = GetClockContext(thread, out SystemClockContext clockContext);
if (result == ResultCode.Success)
{
result = ResultCode.TimeMismatch;
if (currentTimePoint.ClockSourceId == clockContext.SteadyTimePoint.ClockSourceId)
{
posixTime = clockContext.Offset + currentTimePoint.TimePoint;
result = 0;
}
}
return result;
}
public ResultCode SetCurrentTime(KThread thread, long posixTime)
{
SteadyClockTimePoint currentTimePoint = _steadyClockCore.GetCurrentTimePoint(thread);
SystemClockContext clockContext = new SystemClockContext()
{
Offset = posixTime - currentTimePoint.TimePoint,
SteadyTimePoint = currentTimePoint
};
ResultCode result = SetClockContext(clockContext);
if (result == ResultCode.Success)
{
result = Flush(clockContext);
}
return result;
}
public virtual ResultCode GetClockContext(KThread thread, out SystemClockContext context)
{
context = _context;
return ResultCode.Success;
}
public virtual ResultCode SetClockContext(SystemClockContext context)
{
_context = context;
return ResultCode.Success;
}
protected virtual ResultCode Flush(SystemClockContext context)
{
if (_systemClockContextUpdateCallback == null)
{
return ResultCode.Success;
}
return _systemClockContextUpdateCallback.Update(context);
}
public void SetUpdateCallbackInstance(SystemClockContextUpdateCallback systemClockContextUpdateCallback)
{
_systemClockContextUpdateCallback = systemClockContextUpdateCallback;
}
public void RegisterOperationEvent(KWritableEvent writableEvent)
{
if (_systemClockContextUpdateCallback != null)
{
_systemClockContextUpdateCallback.RegisterOperationEvent(writableEvent);
}
}
public ResultCode SetSystemClockContext(SystemClockContext context)
{
ResultCode result = SetClockContext(context);
if (result == ResultCode.Success)
{
result = Flush(context);
}
return result;
}
public bool IsInitialized()
{
return _isInitialized;
}
public void MarkInitialized()
{
_isInitialized = true;
}
public bool IsClockSetup(KThread thread)
{
ResultCode result = GetClockContext(thread, out SystemClockContext context);
if (result == ResultCode.Success)
{
SteadyClockTimePoint steadyClockTimePoint = _steadyClockCore.GetCurrentTimePoint(thread);
return steadyClockTimePoint.ClockSourceId == context.SteadyTimePoint.ClockSourceId;
}
return false;
}
}
}