RyuKen/Ryujinx.HLE/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs

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C#
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using ChocolArm64.Memory;
using Ryujinx.HLE.Logging;
using System;
using System.Collections.Concurrent;
using System.Text;
using System.Threading;
namespace Ryujinx.HLE.OsHle.Services.Nv.NvHostCtrl
{
class NvHostCtrlIoctl
{
private static ConcurrentDictionary<Process, NvHostCtrlUserCtx> UserCtxs;
private static bool IsProductionMode = true;
static NvHostCtrlIoctl()
{
UserCtxs = new ConcurrentDictionary<Process, NvHostCtrlUserCtx>();
if (Set.NxSettings.Settings.TryGetValue("nv!rmos_set_production_mode", out object ProductionModeSetting))
{
IsProductionMode = ((string)ProductionModeSetting) != "0"; // Default value is ""
}
}
public static int ProcessIoctl(ServiceCtx Context, int Cmd)
{
switch (Cmd & 0xffff)
{
case 0x0014: return SyncptRead (Context);
case 0x0015: return SyncptIncr (Context);
case 0x0016: return SyncptWait (Context);
case 0x0019: return SyncptWaitEx (Context);
case 0x001a: return SyncptReadMax (Context);
case 0x001b: return GetConfig (Context);
case 0x001d: return EventWait (Context);
case 0x001e: return EventWaitAsync(Context);
case 0x001f: return EventRegister (Context);
}
throw new NotImplementedException(Cmd.ToString("x8"));
}
private static int SyncptRead(ServiceCtx Context)
{
return SyncptReadMinOrMax(Context, Max: false);
}
private static int SyncptIncr(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
int Id = Context.Memory.ReadInt32(InputPosition);
if ((uint)Id >= NvHostSyncpt.SyncptsCount)
{
return NvResult.InvalidInput;
}
GetUserCtx(Context).Syncpt.Increment(Id);
return NvResult.Success;
}
private static int SyncptWait(ServiceCtx Context)
{
return SyncptWait(Context, Extended: false);
}
private static int SyncptWaitEx(ServiceCtx Context)
{
return SyncptWait(Context, Extended: true);
}
private static int SyncptReadMax(ServiceCtx Context)
{
return SyncptReadMinOrMax(Context, Max: true);
}
private static int GetConfig(ServiceCtx Context)
{
if (!IsProductionMode)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
string Domain = AMemoryHelper.ReadAsciiString(Context.Memory, InputPosition + 0, 0x41);
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, InputPosition + 0x41, 0x41);
if (Set.NxSettings.Settings.TryGetValue($"{Domain}!{Name}", out object NvSetting))
{
byte[] SettingBuffer = new byte[0x101];
if (NvSetting is string StringValue)
{
if (StringValue.Length > 0x100)
{
Context.Ns.Log.PrintError(Logging.LogClass.ServiceNv, $"{Domain}!{Name} String value size is too big!");
}
else
{
SettingBuffer = Encoding.ASCII.GetBytes(StringValue + "\0");
}
}
if (NvSetting is int IntValue)
{
SettingBuffer = BitConverter.GetBytes(IntValue);
}
else if (NvSetting is bool BoolValue)
{
SettingBuffer[0] = BoolValue ? (byte)1 : (byte)0;
}
else
{
throw new NotImplementedException(NvSetting.GetType().Name);
}
Context.Memory.WriteBytes(OutputPosition + 0x82, SettingBuffer);
Context.Ns.Log.PrintDebug(Logging.LogClass.ServiceNv, $"Got setting {Domain}!{Name}");
}
return NvResult.Success;
}
return NvResult.NotAvailableInProduction;
}
private static int EventWait(ServiceCtx Context)
{
return EventWait(Context, Async: false);
}
private static int EventWaitAsync(ServiceCtx Context)
{
return EventWait(Context, Async: true);
}
private static int EventRegister(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
int EventId = Context.Memory.ReadInt32(InputPosition);
Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
return NvResult.Success;
}
private static int SyncptReadMinOrMax(ServiceCtx Context, bool Max)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvHostCtrlSyncptRead Args = AMemoryHelper.Read<NvHostCtrlSyncptRead>(Context.Memory, InputPosition);
if ((uint)Args.Id >= NvHostSyncpt.SyncptsCount)
{
return NvResult.InvalidInput;
}
if (Max)
{
Args.Value = GetUserCtx(Context).Syncpt.GetMax(Args.Id);
}
else
{
Args.Value = GetUserCtx(Context).Syncpt.GetMin(Args.Id);
}
AMemoryHelper.Write(Context.Memory, OutputPosition, Args);
return NvResult.Success;
}
private static int SyncptWait(ServiceCtx Context, bool Extended)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvHostCtrlSyncptWait Args = AMemoryHelper.Read<NvHostCtrlSyncptWait>(Context.Memory, InputPosition);
NvHostSyncpt Syncpt = GetUserCtx(Context).Syncpt;
if ((uint)Args.Id >= NvHostSyncpt.SyncptsCount)
{
return NvResult.InvalidInput;
}
int Result;
if (Syncpt.MinCompare(Args.Id, Args.Thresh))
{
Result = NvResult.Success;
}
else if (Args.Timeout == 0)
{
Result = NvResult.TryAgain;
}
else
{
Context.Ns.Log.PrintDebug(LogClass.ServiceNv, "Waiting syncpt with timeout of " + Args.Timeout + "ms...");
using (ManualResetEvent WaitEvent = new ManualResetEvent(false))
{
Syncpt.AddWaiter(Args.Thresh, WaitEvent);
//Note: Negative (> INT_MAX) timeouts aren't valid on .NET,
//in this case we just use the maximum timeout possible.
int Timeout = Args.Timeout;
if (Timeout < -1)
{
Timeout = int.MaxValue;
}
if (Timeout == -1)
{
WaitEvent.WaitOne();
Result = NvResult.Success;
}
else if (WaitEvent.WaitOne(Timeout))
{
Result = NvResult.Success;
}
else
{
Result = NvResult.TimedOut;
}
}
Context.Ns.Log.PrintDebug(LogClass.ServiceNv, "Resuming...");
}
if (Extended)
{
Context.Memory.WriteInt32(OutputPosition + 0xc, Syncpt.GetMin(Args.Id));
}
return Result;
}
private static int EventWait(ServiceCtx Context, bool Async)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvHostCtrlSyncptWaitEx Args = AMemoryHelper.Read<NvHostCtrlSyncptWaitEx>(Context.Memory, InputPosition);
if ((uint)Args.Id >= NvHostSyncpt.SyncptsCount)
{
return NvResult.InvalidInput;
}
void WriteArgs()
{
AMemoryHelper.Write(Context.Memory, OutputPosition, Args);
}
NvHostSyncpt Syncpt = GetUserCtx(Context).Syncpt;
if (Syncpt.MinCompare(Args.Id, Args.Thresh))
{
Args.Value = Syncpt.GetMin(Args.Id);
WriteArgs();
return NvResult.Success;
}
if (!Async)
{
Args.Value = 0;
}
if (Args.Timeout == 0)
{
WriteArgs();
return NvResult.TryAgain;
}
NvHostEvent Event;
int Result, EventIndex;
if (Async)
{
EventIndex = Args.Value;
if ((uint)EventIndex >= NvHostCtrlUserCtx.EventsCount)
{
return NvResult.InvalidInput;
}
Event = GetUserCtx(Context).Events[EventIndex];
}
else
{
Event = GetFreeEvent(Context, Syncpt, Args.Id, out EventIndex);
}
if (Event != null &&
(Event.State == NvHostEventState.Registered ||
Event.State == NvHostEventState.Free))
{
Event.Id = Args.Id;
Event.Thresh = Args.Thresh;
Event.State = NvHostEventState.Waiting;
if (!Async)
{
Args.Value = ((Args.Id & 0xfff) << 16) | 0x10000000;
}
else
{
Args.Value = Args.Id << 4;
}
Args.Value |= EventIndex;
Result = NvResult.TryAgain;
}
else
{
Result = NvResult.InvalidInput;
}
WriteArgs();
return Result;
}
private static NvHostEvent GetFreeEvent(
ServiceCtx Context,
NvHostSyncpt Syncpt,
int Id,
out int EventIndex)
{
NvHostEvent[] Events = GetUserCtx(Context).Events;
EventIndex = NvHostCtrlUserCtx.EventsCount;
int NullIndex = NvHostCtrlUserCtx.EventsCount;
for (int Index = 0; Index < NvHostCtrlUserCtx.EventsCount; Index++)
{
NvHostEvent Event = Events[Index];
if (Event != null)
{
if (Event.State == NvHostEventState.Registered ||
Event.State == NvHostEventState.Free)
{
EventIndex = Index;
if (Event.Id == Id)
{
return Event;
}
}
}
else if (NullIndex == NvHostCtrlUserCtx.EventsCount)
{
NullIndex = Index;
}
}
if (NullIndex < NvHostCtrlUserCtx.EventsCount)
{
EventIndex = NullIndex;
return Events[NullIndex] = new NvHostEvent();
}
if (EventIndex < NvHostCtrlUserCtx.EventsCount)
{
return Events[EventIndex];
}
return null;
}
public static NvHostCtrlUserCtx GetUserCtx(ServiceCtx Context)
{
return UserCtxs.GetOrAdd(Context.Process, (Key) => new NvHostCtrlUserCtx());
}
public static void UnloadProcess(Process Process)
{
UserCtxs.TryRemove(Process, out _);
}
}
}