R/Ryujinx.HLE/OsHle/Kernel/SvcHandler.cs

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using ChocolArm64.Events;
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using ChocolArm64.Memory;
using ChocolArm64.State;
using Ryujinx.HLE.Logging;
using Ryujinx.HLE.OsHle.Handles;
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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Threading;
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namespace Ryujinx.HLE.OsHle.Kernel
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{
partial class SvcHandler : IDisposable
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{
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private delegate void SvcFunc(AThreadState ThreadState);
private Dictionary<int, SvcFunc> SvcFuncs;
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private Switch Ns;
private Process Process;
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private AMemory Memory;
private ConcurrentDictionary<KThread, AutoResetEvent> SyncWaits;
private HashSet<(HSharedMem, long, long)> MappedSharedMems;
private ulong CurrentHeapSize;
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private const uint SelfThreadHandle = 0xffff8000;
private const uint SelfProcessHandle = 0xffff8001;
private static Random Rng;
public SvcHandler(Switch Ns, Process Process)
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{
SvcFuncs = new Dictionary<int, SvcFunc>()
{
{ 0x01, SvcSetHeapSize },
{ 0x03, SvcSetMemoryAttribute },
{ 0x04, SvcMapMemory },
{ 0x05, SvcUnmapMemory },
{ 0x06, SvcQueryMemory },
{ 0x07, SvcExitProcess },
{ 0x08, SvcCreateThread },
{ 0x09, SvcStartThread },
{ 0x0a, SvcExitThread },
{ 0x0b, SvcSleepThread },
{ 0x0c, SvcGetThreadPriority },
{ 0x0d, SvcSetThreadPriority },
{ 0x0e, SvcGetThreadCoreMask },
{ 0x0f, SvcSetThreadCoreMask },
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{ 0x10, SvcGetCurrentProcessorNumber },
{ 0x12, SvcClearEvent },
{ 0x13, SvcMapSharedMemory },
{ 0x14, SvcUnmapSharedMemory },
{ 0x15, SvcCreateTransferMemory },
{ 0x16, SvcCloseHandle },
{ 0x17, SvcResetSignal },
{ 0x18, SvcWaitSynchronization },
{ 0x19, SvcCancelSynchronization },
{ 0x1a, SvcArbitrateLock },
{ 0x1b, SvcArbitrateUnlock },
{ 0x1c, SvcWaitProcessWideKeyAtomic },
{ 0x1d, SvcSignalProcessWideKey },
{ 0x1e, SvcGetSystemTick },
{ 0x1f, SvcConnectToNamedPort },
{ 0x21, SvcSendSyncRequest },
{ 0x22, SvcSendSyncRequestWithUserBuffer },
{ 0x25, SvcGetThreadId },
{ 0x26, SvcBreak },
{ 0x27, SvcOutputDebugString },
{ 0x29, SvcGetInfo },
{ 0x2c, SvcMapPhysicalMemory },
{ 0x2d, SvcUnmapPhysicalMemory },
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{ 0x32, SvcSetThreadActivity },
{ 0x33, SvcGetThreadContext3 },
{ 0x34, SvcWaitForAddress }
};
this.Ns = Ns;
this.Process = Process;
this.Memory = Process.Memory;
SyncWaits = new ConcurrentDictionary<KThread, AutoResetEvent>();
MappedSharedMems = new HashSet<(HSharedMem, long, long)>();
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}
static SvcHandler()
{
Rng = new Random();
}
public void SvcCall(object sender, AInstExceptionEventArgs e)
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{
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AThreadState ThreadState = (AThreadState)sender;
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Process.GetThread(ThreadState.Tpidr).LastPc = e.Position;
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if (SvcFuncs.TryGetValue(e.Id, out SvcFunc Func))
{
Ns.Log.PrintDebug(LogClass.KernelSvc, $"{Func.Method.Name} called.");
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Func(ThreadState);
Process.Scheduler.Reschedule(Process.GetThread(ThreadState.Tpidr));
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Ns.Log.PrintDebug(LogClass.KernelSvc, $"{Func.Method.Name} ended.");
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}
else
{
Process.PrintStackTrace(ThreadState);
throw new NotImplementedException(e.Id.ToString("x4"));
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}
}
private KThread GetThread(long Tpidr, int Handle)
{
if ((uint)Handle == SelfThreadHandle)
{
return Process.GetThread(Tpidr);
}
else
{
return Process.HandleTable.GetData<KThread>(Handle);
}
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool Disposing)
{
if (Disposing)
{
lock (MappedSharedMems)
{
foreach ((HSharedMem SharedMem, long Position, long Size) in MappedSharedMems)
{
SharedMem.RemoveVirtualPosition(Memory, Position, Size);
}
MappedSharedMems.Clear();
}
}
}
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}
}