Ryujinx/Ryujinx.Core/OsHle/Kernel/SvcThread.cs

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using ChocolArm64.State;
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using Ryujinx.Core.Logging;
using Ryujinx.Core.OsHle.Handles;
using System.Threading;
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using static Ryujinx.Core.OsHle.ErrorCode;
namespace Ryujinx.Core.OsHle.Kernel
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{
partial class SvcHandler
{
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private void SvcCreateThread(AThreadState ThreadState)
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{
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long EntryPoint = (long)ThreadState.X1;
long ArgsPtr = (long)ThreadState.X2;
long StackTop = (long)ThreadState.X3;
int Priority = (int)ThreadState.X4;
int ProcessorId = (int)ThreadState.X5;
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if ((uint)Priority > 0x3f)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid priority 0x{Priority:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidPriority);
return;
}
if (ProcessorId == -2)
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{
//TODO: Get this value from the NPDM file.
ProcessorId = 0;
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}
else if ((uint)ProcessorId > 3)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core id 0x{ProcessorId:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreId);
return;
}
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int Handle = Process.MakeThread(
EntryPoint,
StackTop,
ArgsPtr,
Priority,
ProcessorId);
ThreadState.X0 = 0;
ThreadState.X1 = (ulong)Handle;
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}
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private void SvcStartThread(AThreadState ThreadState)
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{
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int Handle = (int)ThreadState.X0;
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KThread CurrThread = Process.HandleTable.GetData<KThread>(Handle);
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if (CurrThread != null)
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{
Process.Scheduler.StartThread(CurrThread);
Process.Scheduler.Yield(Process.GetThread(ThreadState.Tpidr));
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ThreadState.X0 = 0;
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}
else
{
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Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{Handle:x8}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
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}
private void SvcExitThread(AThreadState ThreadState)
{
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
CurrThread.Thread.StopExecution();
}
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private void SvcSleepThread(AThreadState ThreadState)
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{
ulong Ns = ThreadState.X0;
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KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
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if (Ns == 0)
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{
Process.Scheduler.Yield(CurrThread);
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}
else
{
Process.Scheduler.Suspend(CurrThread);
Thread.Sleep(NsTimeConverter.GetTimeMs(Ns));
Process.Scheduler.Resume(CurrThread);
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}
}
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private void SvcGetThreadPriority(AThreadState ThreadState)
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{
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int Handle = (int)ThreadState.X1;
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KThread Thread = GetThread(ThreadState.Tpidr, Handle);
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if (Thread != null)
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{
ThreadState.X0 = 0;
ThreadState.X1 = (ulong)Thread.ActualPriority;
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}
else
{
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Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{Handle:x8}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
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}
private void SvcSetThreadPriority(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
int Priority = (int)ThreadState.X1;
KThread Thread = GetThread(ThreadState.Tpidr, Handle);
if (Thread != null)
{
Thread.SetPriority(Priority);
ThreadState.X0 = 0;
}
else
{
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Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
private void SvcSetThreadCoreMask(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
int IdealCore = (int)ThreadState.X1;
long CoreMask = (long)ThreadState.X2;
Ns.Log.PrintDebug(LogClass.KernelSvc,
"Handle = " + Handle .ToString("x8") + ", " +
"IdealCore = " + IdealCore.ToString("x8") + ", " +
"CoreMask = " + CoreMask .ToString("x16"));
KThread Thread = GetThread(ThreadState.Tpidr, Handle);
if (IdealCore == -2)
{
//TODO: Get this value from the NPDM file.
IdealCore = 0;
CoreMask = 1 << IdealCore;
}
else if (IdealCore != -3)
{
if ((uint)IdealCore > 3)
{
if ((IdealCore | 2) != -1)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core id 0x{IdealCore:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreId);
return;
}
}
else if ((CoreMask & (1 << IdealCore)) == 0)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core mask 0x{CoreMask:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreMask);
return;
}
}
if (Thread == null)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
//-1 is used as "don't care", so the IdealCore value is ignored.
//-2 is used as "use NPDM default core id" (handled above).
//-3 is used as "don't update", the old IdealCore value is kept.
if (IdealCore != -3)
{
Thread.IdealCore = IdealCore;
}
else if ((CoreMask & (1 << Thread.IdealCore)) == 0)
{
Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid core mask 0x{CoreMask:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidCoreMask);
return;
}
Thread.CoreMask = (int)CoreMask;
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
//Try yielding execution, for the case where the new
//core mask allows the thread to run on the current core.
Process.Scheduler.Yield(CurrThread);
//Try running the modified thread, for the case where one
//of the cores specified on the core mask is free.
Process.Scheduler.TryRunning(Thread);
ThreadState.X0 = 0;
}
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private void SvcGetCurrentProcessorNumber(AThreadState ThreadState)
{
ThreadState.X0 = (ulong)Process.GetThread(ThreadState.Tpidr).ActualCore;
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}
private void SvcGetThreadId(AThreadState ThreadState)
{
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int Handle = (int)ThreadState.X1;
KThread Thread = GetThread(ThreadState.Tpidr, Handle);
if (Thread != null)
{
ThreadState.X0 = 0;
ThreadState.X1 = (ulong)Thread.ThreadId;
}
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else
{
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Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
private void SvcSetThreadActivity(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
bool Active = (int)ThreadState.X1 == 0;
KThread Thread = Process.HandleTable.GetData<KThread>(Handle);
if (Thread != null)
{
Process.Scheduler.SetThreadActivity(Thread, Active);
ThreadState.X0 = 0;
}
else
{
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Ns.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{Handle:x8}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
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}
}