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using ChocolArm64.Memory;
using ChocolArm64.State;
using Ryujinx.HLE.Exceptions;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Services;
using Ryujinx.HLE.Logging;
using System;
using System.Threading;
using static Ryujinx.HLE.HOS.ErrorCode;
namespace Ryujinx.HLE.HOS.Kernel
{
partial class SvcHandler
{
private const int AllowedCpuIdBitmask = 0b1111;
private const bool EnableProcessDebugging = false;
private void SvcExitProcess(AThreadState ThreadState)
{
Device.System.ExitProcess(Process.ProcessId);
}
private void SvcClearEvent(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
//TODO: Implement events.
ThreadState.X0 = 0;
}
private void SvcCloseHandle(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
object Obj = Process.HandleTable.CloseHandle(Handle);
if (Obj == null)
{
Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
if (Obj is KSession Session)
{
Session.Dispose();
}
else if (Obj is KTransferMemory TransferMemory)
{
Process.MemoryManager.ResetTransferMemory(
TransferMemory.Position,
TransferMemory.Size);
}
ThreadState.X0 = 0;
}
private void SvcResetSignal(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
KEvent Event = Process.HandleTable.GetData<KEvent>(Handle);
if (Event != null)
{
Event.Reset();
ThreadState.X0 = 0;
}
else
{
Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid event handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
private void SvcGetSystemTick(AThreadState ThreadState)
{
ThreadState.X0 = ThreadState.CntpctEl0;
}
private void SvcConnectToNamedPort(AThreadState ThreadState)
{
long StackPtr = (long)ThreadState.X0;
long NamePtr = (long)ThreadState.X1;
string Name = AMemoryHelper.ReadAsciiString(Memory, NamePtr, 8);
//TODO: Validate that app has perms to access the service, and that the service
//actually exists, return error codes otherwise.
KSession Session = new KSession(ServiceFactory.MakeService(System, Name), Name);
ulong Handle = (ulong)Process.HandleTable.OpenHandle(Session);
ThreadState.X0 = 0;
ThreadState.X1 = Handle;
}
private void SvcSendSyncRequest(AThreadState ThreadState)
{
SendSyncRequest(ThreadState, ThreadState.Tpidr, 0x100, (int)ThreadState.X0);
}
private void SvcSendSyncRequestWithUserBuffer(AThreadState ThreadState)
{
SendSyncRequest(
ThreadState,
(long)ThreadState.X0,
(long)ThreadState.X1,
(int)ThreadState.X2);
}
private void SendSyncRequest(AThreadState ThreadState, long MessagePtr, long Size, int Handle)
{
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
byte[] MessageData = Memory.ReadBytes(MessagePtr, Size);
KSession Session = Process.HandleTable.GetData<KSession>(Handle);
if (Session != null)
{
//Process.Scheduler.Suspend(CurrThread);
System.CriticalSectionLock.Lock();
KThread CurrentThread = System.Scheduler.GetCurrentThread();
CurrentThread.SignaledObj = null;
CurrentThread.ObjSyncResult = 0;
CurrentThread.Reschedule(ThreadSchedState.Paused);
IpcMessage Message = new IpcMessage(MessageData, MessagePtr);
ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
CurrentThread,
Session,
Message,
MessagePtr));
System.CriticalSectionLock.Unlock();
ThreadState.X0 = (ulong)CurrentThread.ObjSyncResult;
}
else
{
Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid session handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
private void ProcessIpcRequest(object State)
{
HleIpcMessage IpcMessage = (HleIpcMessage)State;
IpcMessage.Thread.ObjSyncResult = (int)IpcHandler.IpcCall(
Device,
Process,
Memory,
IpcMessage.Session,
IpcMessage.Message,
IpcMessage.MessagePtr);
IpcMessage.Thread.Reschedule(ThreadSchedState.Running);
}
private void SvcBreak(AThreadState ThreadState)
{
long Reason = (long)ThreadState.X0;
long Unknown = (long)ThreadState.X1;
long Info = (long)ThreadState.X2;
Process.PrintStackTrace(ThreadState);
throw new GuestBrokeExecutionException();
}
private void SvcOutputDebugString(AThreadState ThreadState)
{
long Position = (long)ThreadState.X0;
long Size = (long)ThreadState.X1;
string Str = AMemoryHelper.ReadAsciiString(Memory, Position, Size);
Device.Log.PrintWarning(LogClass.KernelSvc, Str);
ThreadState.X0 = 0;
}
private void SvcGetInfo(AThreadState ThreadState)
{
long StackPtr = (long)ThreadState.X0;
int InfoType = (int)ThreadState.X1;
long Handle = (long)ThreadState.X2;
int InfoId = (int)ThreadState.X3;
//Fail for info not available on older Kernel versions.
if (InfoType == 18 ||
InfoType == 19 ||
InfoType == 20 ||
InfoType == 21)
{
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidEnumValue);
return;
}
switch (InfoType)
{
case 0:
ThreadState.X1 = AllowedCpuIdBitmask;
break;
case 2:
ThreadState.X1 = (ulong)Process.MemoryManager.MapRegionStart;
break;
case 3:
ThreadState.X1 = (ulong)Process.MemoryManager.MapRegionEnd -
(ulong)Process.MemoryManager.MapRegionStart;
break;
case 4:
ThreadState.X1 = (ulong)Process.MemoryManager.HeapRegionStart;
break;
case 5:
ThreadState.X1 = (ulong)Process.MemoryManager.HeapRegionEnd -
(ulong)Process.MemoryManager.HeapRegionStart;
break;
case 6:
ThreadState.X1 = (ulong)Process.Device.Memory.Allocator.TotalAvailableSize;
break;
case 7:
ThreadState.X1 = (ulong)Process.Device.Memory.Allocator.TotalUsedSize;
break;
case 8:
ThreadState.X1 = EnableProcessDebugging ? 1 : 0;
break;
case 11:
ThreadState.X1 = (ulong)Rng.Next() + ((ulong)Rng.Next() << 32);
break;
case 12:
ThreadState.X1 = (ulong)Process.MemoryManager.AddrSpaceStart;
break;
case 13:
ThreadState.X1 = (ulong)Process.MemoryManager.AddrSpaceEnd -
(ulong)Process.MemoryManager.AddrSpaceStart;
break;
case 14:
ThreadState.X1 = (ulong)Process.MemoryManager.NewMapRegionStart;
break;
case 15:
ThreadState.X1 = (ulong)Process.MemoryManager.NewMapRegionEnd -
(ulong)Process.MemoryManager.NewMapRegionStart;
break;
case 16:
ThreadState.X1 = (ulong)(Process.MetaData?.SystemResourceSize ?? 0);
break;
case 17:
ThreadState.X1 = (ulong)Process.MemoryManager.PersonalMmHeapUsage;
break;
default:
Process.PrintStackTrace(ThreadState);
throw new NotImplementedException($"SvcGetInfo: {InfoType} 0x{Handle:x8} {InfoId}");
}
ThreadState.X0 = 0;
}
}
}
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