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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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15
Ryujinx.HLE/HOS/Horizon.cs
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@ -197,10 +197,17 @@ namespace Ryujinx.HLE.HOS
ContentManager = new ContentManager(device);
// NOTE: Now we set the default internal offset of the steady clock like Nintendo does... even if it's strange this is accurate.
// TODO: use bpc:r and set:sys (and set external clock source id from settings)
DateTime UnixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
SteadyClockCore.Instance.SetInternalOffset(new TimeSpanType(((ulong)(DateTime.Now.ToUniversalTime() - UnixEpoch).TotalSeconds) * 1000000000));
// TODO: use set:sys (and set external clock source id from settings)
// TODO: use "time!standard_steady_clock_rtc_update_interval_minutes" and implement a worker thread to be accurate.
SteadyClockCore.Instance.ConfigureSetupValue();
if (Services.Set.NxSettings.Settings.TryGetValue("time!standard_network_clock_sufficient_accuracy_minutes", out object standardNetworkClockSufficientAccuracyMinutes))
{
TimeSpanType standardNetworkClockSufficientAccuracy = new TimeSpanType((int)standardNetworkClockSufficientAccuracyMinutes * 60000000000);
StandardNetworkSystemClockCore.Instance.SetStandardNetworkClockSufficientAccuracy(standardNetworkClockSufficientAccuracy);
}
}
public void LoadCart(string exeFsDir, string romFsFile = null)

34
Ryujinx.HLE/HOS/Services/Bpc/IRtcManager.cs Normal file
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@ -0,0 +1,34 @@
using System;
namespace Ryujinx.HLE.HOS.Services.Bpc
{
[Service("bpc:r")]
class IRtcManager : IpcService
{
public IRtcManager(ServiceCtx context) { }
[Command(0)]
// GetRtcTime() -> u64
public ResultCode GetRtcTime(ServiceCtx context)
{
ResultCode result = GetExternalRtcValue(out ulong rtcValue);
if (result == ResultCode.Success)
{
context.ResponseData.Write(rtcValue);
}
return result;
}
public static ResultCode GetExternalRtcValue(out ulong rtcValue)
{
// TODO: emulate MAX77620/MAX77812 RTC
DateTime unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
rtcValue = (ulong)(DateTime.Now.ToUniversalTime() - unixEpoch).TotalSeconds;
return ResultCode.Success;
}
}
}

34
Ryujinx.HLE/HOS/Services/Time/Clock/ClockTypes.cs
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@ -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
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@ -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
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@ -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;
}
}
}

9
Ryujinx.HLE/HOS/Services/Time/IStaticService.cs
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@ -106,6 +106,15 @@ namespace Ryujinx.HLE.HOS.Services.Time
return StandardUserSystemClockCore.Instance.SetAutomaticCorrectionEnabled(context.Thread, autoCorrectionEnabled);
}
[Command(200)] // 3.0.0+
// IsStandardNetworkSystemClockAccuracySufficient() -> bool
public ResultCode IsStandardNetworkSystemClockAccuracySufficient(ServiceCtx context)
{
context.ResponseData.Write(StandardNetworkSystemClockCore.Instance.IsStandardNetworkSystemClockAccuracySufficient(context.Thread));
return ResultCode.Success;
}
[Command(300)] // 4.0.0+
// CalculateMonotonicSystemClockBaseTimePoint(nn::time::SystemClockContext) -> u64
public ResultCode CalculateMonotonicSystemClockBaseTimePoint(ServiceCtx context)

32
Ryujinx.HLE/HOS/Services/Time/ISteadyClock.cs
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@ -36,6 +36,38 @@ namespace Ryujinx.HLE.HOS.Services.Time
return 0;
}
[Command(100)] // 2.0.0+
// GetRtcValue() -> u64
public ResultCode GetRtcValue(ServiceCtx context)
{
ResultCode result = SteadyClockCore.Instance.GetRtcValue(out ulong rtcValue);
if (result == ResultCode.Success)
{
context.ResponseData.Write(rtcValue);
}
return result;
}
[Command(101)] // 2.0.0+
// IsRtcResetDetected() -> bool
public ResultCode IsRtcResetDetected(ServiceCtx context)
{
context.ResponseData.Write(SteadyClockCore.Instance.IsRtcResetDetected());
return ResultCode.Success;
}
[Command(102)] // 2.0.0+
// GetSetupResultValue() -> u32
public ResultCode GetSetupResultValue(ServiceCtx context)
{
context.ResponseData.Write((uint)SteadyClockCore.Instance.GetSetupResultCode());
return ResultCode.Success;
}
[Command(200)] // 3.0.0+
// GetInternalOffset() -> nn::TimeSpanType
public ResultCode GetInternalOffset(ServiceCtx context)

4
Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs
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@ -29,7 +29,7 @@ namespace Ryujinx.HLE.HOS.Services.Time
if (currentTimePoint.ClockSourceId == clockContext.SteadyTimePoint.ClockSourceId)
{
ulong posixTime = clockContext.Offset + currentTimePoint.TimePoint;
long posixTime = clockContext.Offset + currentTimePoint.TimePoint;
context.ResponseData.Write(posixTime);
@ -49,7 +49,7 @@ namespace Ryujinx.HLE.HOS.Services.Time
return ResultCode.PermissionDenied;
}
ulong posixTime = context.RequestData.ReadUInt64();
long posixTime = context.RequestData.ReadInt64();
SteadyClockCore steadyClockCore = _clockCore.GetSteadyClockCore();
SteadyClockTimePoint currentTimePoint = steadyClockCore.GetCurrentTimePoint(context.Thread);