Ryujinx/Ryujinx.HLE/HOS/Services/Time/StaticService/ISystemClock.cs

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using Ryujinx.Common;
using Ryujinx.HLE.HOS.Services.Time.Clock;
namespace Ryujinx.HLE.HOS.Services.Time.StaticService
{
class ISystemClock : IpcService
{
private SystemClockCore _clockCore;
private bool _writePermission;
public ISystemClock(SystemClockCore clockCore, bool writePermission)
{
_clockCore = clockCore;
_writePermission = writePermission;
}
[Command(0)]
// GetCurrentTime() -> nn::time::PosixTime
public ResultCode GetCurrentTime(ServiceCtx context)
{
SteadyClockCore steadyClockCore = _clockCore.GetSteadyClockCore();
SteadyClockTimePoint currentTimePoint = steadyClockCore.GetCurrentTimePoint(context.Thread);
ResultCode result = _clockCore.GetSystemClockContext(context.Thread, out SystemClockContext clockContext);
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if (result == ResultCode.Success)
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{
result = ResultCode.TimeMismatch;
if (currentTimePoint.ClockSourceId == clockContext.SteadyTimePoint.ClockSourceId)
{
long posixTime = clockContext.Offset + currentTimePoint.TimePoint;
context.ResponseData.Write(posixTime);
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result = 0;
}
}
return result;
}
[Command(1)]
// SetCurrentTime(nn::time::PosixTime)
public ResultCode SetCurrentTime(ServiceCtx context)
{
if (!_writePermission)
{
return ResultCode.PermissionDenied;
}
long posixTime = context.RequestData.ReadInt64();
SteadyClockCore steadyClockCore = _clockCore.GetSteadyClockCore();
SteadyClockTimePoint currentTimePoint = steadyClockCore.GetCurrentTimePoint(context.Thread);
SystemClockContext clockContext = new SystemClockContext()
{
Offset = posixTime - currentTimePoint.TimePoint,
SteadyTimePoint = currentTimePoint
};
ResultCode result = _clockCore.SetSystemClockContext(clockContext);
if (result == ResultCode.Success)
{
result = _clockCore.Flush(clockContext);
}
return result;
}
[Command(2)]
// GetSystemClockContext() -> nn::time::SystemClockContext
public ResultCode GetSystemClockContext(ServiceCtx context)
{
ResultCode result = _clockCore.GetSystemClockContext(context.Thread, out SystemClockContext clockContext);
if (result == ResultCode.Success)
{
context.ResponseData.WriteStruct(clockContext);
}
return result;
}
[Command(3)]
// SetSystemClockContext(nn::time::SystemClockContext)
public ResultCode SetSystemClockContext(ServiceCtx context)
{
if (!_writePermission)
{
return ResultCode.PermissionDenied;
}
SystemClockContext clockContext = context.RequestData.ReadStruct<SystemClockContext>();
ResultCode result = _clockCore.SetSystemClockContext(clockContext);
if (result == ResultCode.Success)
{
result = _clockCore.Flush(clockContext);
}
return result;
}
}
}