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Implement time:* 2.0.0 & 3.0.0 commands (#735)

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* Finish ISteadyClock implementation

* Implement IsStandardNetworkSystemClockAccuracySufficient

Also use signed values for offsets and TimeSpanType

* Address comments

* Fix one missing nit and improve one comment
This commit is contained in:
Thomas Guillemard 2019-07-15 19:52:35 +02:00 • committed by Ac_K
parent d8424a63c6
commit 1f3a34dd7a
8 changed files with 189 additions and 17 deletions
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34
Ryujinx.HLE/HOS/Services/Time/Clock/ClockTypes.cs
View file

@ -1,4 +1,5 @@
using Ryujinx.HLE.Utilities;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
@ -6,35 +7,56 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
[StructLayout(LayoutKind.Sequential)]
struct TimeSpanType
{
public ulong NanoSeconds;
public long NanoSeconds;
public TimeSpanType(ulong nanoSeconds)
public TimeSpanType(long nanoSeconds)
{
NanoSeconds = nanoSeconds;
}
public ulong ToSeconds()
public long ToSeconds()
{
return NanoSeconds / 1000000000;
}
public static TimeSpanType FromTicks(ulong ticks, ulong frequency)
{
return new TimeSpanType(ticks * 1000000000 / frequency);
return new TimeSpanType((long)ticks * 1000000000 / (long)frequency);
}
}
[StructLayout(LayoutKind.Sequential)]
struct SteadyClockTimePoint
{
public ulong TimePoint;
public long TimePoint;
public UInt128 ClockSourceId;
public ResultCode GetSpanBetween(SteadyClockTimePoint other, out long outSpan)
{
outSpan = 0;
if (ClockSourceId == other.ClockSourceId)
{
try
{
outSpan = checked(other.TimePoint - TimePoint);
return ResultCode.Success;
}
catch (OverflowException)
{
return ResultCode.Overflow;
}
}
return ResultCode.Overflow;
}
}
[StructLayout(LayoutKind.Sequential)]
struct SystemClockContext
{
public ulong Offset;
public long Offset;
public SteadyClockTimePoint SteadyTimePoint;
}
}

27
Ryujinx.HLE/HOS/Services/Time/Clock/StandardNetworkSystemClockCore.cs
View file

@ -1,4 +1,5 @@
using Ryujinx.HLE.HOS.Kernel.Threading;
using System;
using Ryujinx.HLE.HOS.Kernel.Threading;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
@ -6,6 +7,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
private SteadyClockCore _steadyClockCore;
private SystemClockContext _context;
private TimeSpanType _standardNetworkClockSufficientAccuracy;
private static StandardNetworkSystemClockCore instance;
@ -27,7 +29,8 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
_steadyClockCore = steadyClockCore;
_context = new SystemClockContext();
_context.SteadyTimePoint.ClockSourceId = steadyClockCore.GetClockSourceId();
_context.SteadyTimePoint.ClockSourceId = steadyClockCore.GetClockSourceId();
_standardNetworkClockSufficientAccuracy = new TimeSpanType(0);
}
public override ResultCode Flush(SystemClockContext context)
@ -55,5 +58,25 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
return ResultCode.Success;
}
public bool IsStandardNetworkSystemClockAccuracySufficient(KThread thread)
{
SteadyClockCore steadyClockCore = GetSteadyClockCore();
SteadyClockTimePoint currentTimePoint = steadyClockCore.GetCurrentTimePoint(thread);
bool isStandardNetworkClockSufficientAccuracy = false;
if (_context.SteadyTimePoint.GetSpanBetween(currentTimePoint, out long outSpan) == ResultCode.Success)
{
isStandardNetworkClockSufficientAccuracy = outSpan * 1000000000 < _standardNetworkClockSufficientAccuracy.NanoSeconds;
}
return isStandardNetworkClockSufficientAccuracy;
}
public void SetStandardNetworkClockSufficientAccuracy(TimeSpanType standardNetworkClockSufficientAccuracy)
{
_standardNetworkClockSufficientAccuracy = standardNetworkClockSufficientAccuracy;
}
}
}

51
Ryujinx.HLE/HOS/Services/Time/Clock/SteadyClockCore.cs
View file

@ -1,4 +1,5 @@
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Bpc;
using Ryujinx.HLE.Utilities;
using System;
@ -6,6 +7,9 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
class SteadyClockCore
{
private long _setupValue;
private ResultCode _setupResultCode;
private bool _isRtcResetDetected;
private TimeSpanType _testOffset;
private TimeSpanType _internalOffset;
private UInt128 _clockSourceId;
@ -42,7 +46,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
TimeSpanType ticksTimeSpan = TimeSpanType.FromTicks(thread.Context.ThreadState.CntpctEl0, thread.Context.ThreadState.CntfrqEl0);
result.TimePoint = _internalOffset.ToSeconds() + ticksTimeSpan.ToSeconds();
result.TimePoint = _setupValue + ticksTimeSpan.ToSeconds();
return result;
}
@ -57,6 +61,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
SteadyClockTimePoint result = GetTimePoint(thread);
result.TimePoint += _testOffset.ToSeconds();
result.TimePoint += _internalOffset.ToSeconds();
return result;
}
@ -71,16 +76,56 @@ namespace Ryujinx.HLE.HOS.Services.Time.Clock
_testOffset = testOffset;
}
// TODO: check if this is accurate
public ResultCode GetRtcValue(out ulong rtcValue)
{
return (ResultCode)IRtcManager.GetExternalRtcValue(out rtcValue);
}
public bool IsRtcResetDetected()
{
return _isRtcResetDetected;
}
public ResultCode GetSetupResultCode()
{
return _setupResultCode;
}
public TimeSpanType GetInternalOffset()
{
return _internalOffset;
}
// TODO: check if this is accurate
public void SetInternalOffset(TimeSpanType internalOffset)
{
_internalOffset = internalOffset;
}
public ResultCode GetSetupResultValue()
{
return _setupResultCode;
}
public void ConfigureSetupValue()
{
int retry = 0;
ResultCode result = ResultCode.Success;
while (retry < 20)
{
result = (ResultCode)IRtcManager.GetExternalRtcValue(out ulong rtcValue);
if (result == ResultCode.Success)
{
_setupValue = (long)rtcValue;
break;
}
retry++;
}
_setupResultCode = result;
}
}
}