402 lines
13 KiB
C#
402 lines
13 KiB
C#
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl.Types;
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using Ryujinx.HLE.HOS.Services.Nv.Types;
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using Ryujinx.HLE.HOS.Services.Settings;
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using System;
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using System.Text;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl
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{
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internal class NvHostCtrlDeviceFile : NvDeviceFile
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{
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private const int EventsCount = 64;
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private bool _isProductionMode;
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private NvHostSyncpt _syncpt;
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private NvHostEvent[] _events;
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private KEvent _dummyEvent;
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public NvHostCtrlDeviceFile(ServiceCtx context) : base(context)
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{
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if (NxSettings.Settings.TryGetValue("nv!rmos_set_production_mode", out object productionModeSetting))
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{
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_isProductionMode = ((string)productionModeSetting) != "0"; // Default value is ""
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}
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else
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{
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_isProductionMode = true;
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}
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_syncpt = new NvHostSyncpt();
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_events = new NvHostEvent[EventsCount];
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_dummyEvent = new KEvent(context.Device.System);
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}
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public override NvInternalResult Ioctl(NvIoctl command, Span<byte> arguments)
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{
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NvInternalResult result = NvInternalResult.NotImplemented;
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if (command.Type == NvIoctl.NvHostCustomMagic)
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{
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switch (command.Number)
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{
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case 0x14:
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result = CallIoctlMethod<NvFence>(SyncptRead, arguments);
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break;
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case 0x15:
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result = CallIoctlMethod<uint>(SyncptIncr, arguments);
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break;
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case 0x16:
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result = CallIoctlMethod<SyncptWaitArguments>(SyncptWait, arguments);
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break;
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case 0x19:
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result = CallIoctlMethod<SyncptWaitExArguments>(SyncptWaitEx, arguments);
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break;
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case 0x1a:
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result = CallIoctlMethod<NvFence>(SyncptReadMax, arguments);
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break;
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case 0x1b:
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// As Marshal cannot handle unaligned arrays, we do everything by hand here.
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GetConfigurationArguments configArgument = GetConfigurationArguments.FromSpan(arguments);
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result = GetConfig(configArgument);
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if (result == NvInternalResult.Success)
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{
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configArgument.CopyTo(arguments);
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}
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break;
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case 0x1d:
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result = CallIoctlMethod<EventWaitArguments>(EventWait, arguments);
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break;
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case 0x1e:
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result = CallIoctlMethod<EventWaitArguments>(EventWaitAsync, arguments);
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break;
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case 0x1f:
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result = CallIoctlMethod<uint>(EventRegister, arguments);
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break;
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}
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}
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return result;
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}
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public override NvInternalResult QueryEvent(out int eventHandle, uint eventId)
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{
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// TODO: implement SyncPts <=> KEvent logic accurately. For now we return a dummy event.
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KEvent targetEvent = _dummyEvent;
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if (targetEvent != null)
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{
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if (Owner.HandleTable.GenerateHandle(targetEvent.ReadableEvent, out eventHandle) != KernelResult.Success)
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{
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throw new InvalidOperationException("Out of handles!");
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}
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}
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else
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{
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eventHandle = 0;
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return NvInternalResult.InvalidInput;
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}
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return NvInternalResult.Success;
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}
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private NvInternalResult SyncptRead(ref NvFence arguments)
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{
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return SyncptReadMinOrMax(ref arguments, max: false);
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}
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private NvInternalResult SyncptIncr(ref uint id)
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{
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if (id >= NvHostSyncpt.SyncptsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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_syncpt.Increment((int)id);
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return NvInternalResult.Success;
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}
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private NvInternalResult SyncptWait(ref SyncptWaitArguments arguments)
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{
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return SyncptWait(ref arguments, out _);
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}
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private NvInternalResult SyncptWaitEx(ref SyncptWaitExArguments arguments)
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{
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return SyncptWait(ref arguments.Input, out arguments.Value);
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}
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private NvInternalResult SyncptReadMax(ref NvFence arguments)
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{
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return SyncptReadMinOrMax(ref arguments, max: true);
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}
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private NvInternalResult GetConfig(GetConfigurationArguments arguments)
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{
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if (!_isProductionMode && NxSettings.Settings.TryGetValue($"{arguments.Domain}!{arguments.Parameter}".ToLower(), out object nvSetting))
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{
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byte[] settingBuffer = new byte[0x101];
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if (nvSetting is string stringValue)
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{
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if (stringValue.Length > 0x100)
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{
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Logger.PrintError(LogClass.ServiceNv, $"{arguments.Domain}!{arguments.Parameter} String value size is too big!");
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}
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else
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{
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settingBuffer = Encoding.ASCII.GetBytes(stringValue + "\0");
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}
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}
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else if (nvSetting is int intValue)
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{
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settingBuffer = BitConverter.GetBytes(intValue);
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}
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else if (nvSetting is bool boolValue)
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{
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settingBuffer[0] = boolValue ? (byte)1 : (byte)0;
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}
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else
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{
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throw new NotImplementedException(nvSetting.GetType().Name);
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}
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Logger.PrintDebug(LogClass.ServiceNv, $"Got setting {arguments.Domain}!{arguments.Parameter}");
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arguments.Configuration = settingBuffer;
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return NvInternalResult.Success;
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}
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// NOTE: This actually return NotAvailableInProduction but this is directly translated as a InvalidInput before returning the ioctl.
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//return NvInternalResult.NotAvailableInProduction;
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return NvInternalResult.InvalidInput;
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}
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private NvInternalResult EventWait(ref EventWaitArguments arguments)
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{
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return EventWait(ref arguments, async: false);
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}
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private NvInternalResult EventWaitAsync(ref EventWaitArguments arguments)
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{
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return EventWait(ref arguments, async: true);
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}
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private NvInternalResult EventRegister(ref uint userEventId)
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{
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Logger.PrintStub(LogClass.ServiceNv);
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return NvInternalResult.Success;
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}
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private NvInternalResult SyncptReadMinOrMax(ref NvFence arguments, bool max)
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{
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if (arguments.Id >= NvHostSyncpt.SyncptsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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if (max)
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{
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arguments.Value = (uint)_syncpt.GetMax((int)arguments.Id);
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}
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else
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{
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arguments.Value = (uint)_syncpt.GetMin((int)arguments.Id);
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}
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return NvInternalResult.Success;
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}
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private NvInternalResult SyncptWait(ref SyncptWaitArguments arguments, out int value)
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{
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if (arguments.Id >= NvHostSyncpt.SyncptsCount)
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{
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value = 0;
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return NvInternalResult.InvalidInput;
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}
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NvInternalResult result;
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if (_syncpt.MinCompare((int)arguments.Id, arguments.Thresh))
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{
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result = NvInternalResult.Success;
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}
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else if (arguments.Timeout == 0)
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{
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result = NvInternalResult.TryAgain;
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}
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else
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{
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Logger.PrintDebug(LogClass.ServiceNv, $"Waiting syncpt with timeout of {arguments.Timeout}ms...");
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using (ManualResetEvent waitEvent = new ManualResetEvent(false))
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{
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_syncpt.AddWaiter(arguments.Thresh, waitEvent);
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// Note: Negative (> INT_MAX) timeouts aren't valid on .NET,
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// in this case we just use the maximum timeout possible.
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int timeout = arguments.Timeout;
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if (timeout < -1)
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{
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timeout = int.MaxValue;
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}
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if (timeout == -1)
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{
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waitEvent.WaitOne();
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result = NvInternalResult.Success;
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}
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else if (waitEvent.WaitOne(timeout))
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{
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result = NvInternalResult.Success;
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}
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else
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{
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result = NvInternalResult.TimedOut;
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}
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}
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Logger.PrintDebug(LogClass.ServiceNv, "Resuming...");
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}
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value = _syncpt.GetMin((int)arguments.Id);
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return result;
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}
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private NvInternalResult EventWait(ref EventWaitArguments arguments, bool async)
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{
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if (arguments.Id >= NvHostSyncpt.SyncptsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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if (_syncpt.MinCompare(arguments.Id, arguments.Thresh))
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{
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arguments.Value = _syncpt.GetMin(arguments.Id);
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return NvInternalResult.Success;
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}
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if (!async)
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{
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arguments.Value = 0;
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}
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if (arguments.Timeout == 0)
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{
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return NvInternalResult.TryAgain;
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}
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NvHostEvent Event;
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NvInternalResult result;
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int eventIndex;
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if (async)
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{
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eventIndex = arguments.Value;
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if ((uint)eventIndex >= EventsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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Event = _events[eventIndex];
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}
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else
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{
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Event = GetFreeEvent(arguments.Id, out eventIndex);
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}
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if (Event != null &&
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(Event.State == NvHostEventState.Registered ||
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Event.State == NvHostEventState.Free))
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{
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Event.Id = arguments.Id;
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Event.Thresh = arguments.Thresh;
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Event.State = NvHostEventState.Waiting;
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if (!async)
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{
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arguments.Value = ((arguments.Id & 0xfff) << 16) | 0x10000000;
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}
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else
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{
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arguments.Value = arguments.Id << 4;
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}
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arguments.Value |= eventIndex;
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result = NvInternalResult.TryAgain;
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}
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else
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{
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result = NvInternalResult.InvalidInput;
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}
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return result;
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}
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private NvHostEvent GetFreeEvent(int id, out int eventIndex)
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{
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eventIndex = EventsCount;
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int nullIndex = EventsCount;
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for (int index = 0; index < EventsCount; index++)
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{
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NvHostEvent Event = _events[index];
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if (Event != null)
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{
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if (Event.State == NvHostEventState.Registered ||
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Event.State == NvHostEventState.Free)
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{
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eventIndex = index;
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if (Event.Id == id)
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{
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return Event;
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}
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}
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}
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else if (nullIndex == EventsCount)
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{
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nullIndex = index;
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}
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}
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if (nullIndex < EventsCount)
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{
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eventIndex = nullIndex;
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return _events[nullIndex] = new NvHostEvent();
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}
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if (eventIndex < EventsCount)
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{
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return _events[eventIndex];
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}
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return null;
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}
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public override void Close() { }
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}
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}
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