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using ChocolArm64.Memory;
using ChocolArm64.State;
using Ryujinx.Core.OsHle.Exceptions;
using Ryujinx.Core.OsHle.Handles;
using Ryujinx.Core.OsHle.Ipc;
using Ryujinx.Core.OsHle.IpcServices;
using System;
using System.Threading;
using static Ryujinx.Core.OsHle.ErrorCode;
namespace Ryujinx.Core.OsHle.Svc
{
partial class SvcHandler
{
private const int AllowedCpuIdBitmask = 0b1111;
private const bool EnableProcessDebugging = false;
private void SvcExitProcess(AThreadState ThreadState)
{
Ns.Os.ExitProcess(ThreadState.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;
Ns.Os.CloseHandle(Handle);
ThreadState.X0 = 0;
}
private void SvcResetSignal(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
//TODO: Implement events.
ThreadState.X0 = 0;
}
private void SvcWaitSynchronization(AThreadState ThreadState)
{
long HandlesPtr = (long)ThreadState.X0;
int HandlesCount = (int)ThreadState.X2;
long Timeout = (long)ThreadState.X3;
//TODO: Implement events.
HThread CurrThread = Process.GetThread(ThreadState.Tpidr);
Process.Scheduler.Suspend(CurrThread.ProcessorId);
Process.Scheduler.Resume(CurrThread);
ThreadState.X0 = 0;
}
private void SvcGetSystemTick(AThreadState ThreadState)
{
ThreadState.X0 = (ulong)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.
HSession Session = new HSession(ServiceFactory.MakeService(Name));
ThreadState.X1 = (ulong)Ns.Os.Handles.GenerateId(Session);
ThreadState.X0 = 0;
}
private void SvcSendSyncRequest(AThreadState ThreadState)
{
SendSyncRequest(ThreadState, false);
}
private void SvcSendSyncRequestWithUserBuffer(AThreadState ThreadState)
{
SendSyncRequest(ThreadState, true);
}
private void SendSyncRequest(AThreadState ThreadState, bool UserBuffer)
{
long CmdPtr = ThreadState.Tpidr;
long Size = 0x100;
int Handle = 0;
if (UserBuffer)
{
CmdPtr = (long)ThreadState.X0;
Size = (long)ThreadState.X1;
Handle = (int)ThreadState.X2;
}
else
{
Handle = (int)ThreadState.X0;
}
HThread CurrThread = Process.GetThread(ThreadState.Tpidr);
Process.Scheduler.Suspend(CurrThread.ProcessorId);
byte[] CmdData = AMemoryHelper.ReadBytes(Memory, CmdPtr, (int)Size);
HSession Session = Ns.Os.Handles.GetData<HSession>(Handle);
IpcMessage Cmd = new IpcMessage(CmdData, CmdPtr, Session is HDomain);
if (Session != null)
{
IpcHandler.IpcCall(Ns, Memory, Session, Cmd, ThreadState.ThreadId, CmdPtr, Handle);
byte[] Response = AMemoryHelper.ReadBytes(Memory, CmdPtr, (int)Size);
ThreadState.X0 = 0;
}
else
{
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidIpcReq);
}
Thread.Yield();
Process.Scheduler.Resume(CurrThread);
}
private void SvcBreak(AThreadState ThreadState)
{
long Reason = (long)ThreadState.X0;
long Unknown = (long)ThreadState.X1;
long Info = (long)ThreadState.X2;
throw new GuestBrokeExecutionException();
}
private void SvcOutputDebugString(AThreadState ThreadState)
{
long Position = (long)ThreadState.X0;
long Size = (long)ThreadState.X1;
string Str = AMemoryHelper.ReadAsciiString(Memory, Position, (int)Size);
Logging.Info($"SvcOutputDebugString: {Str}");
ThreadState.X0 = 0;
}
private void SvcGetInfo(AThreadState ThreadState)
{
long StackPtr = (long)ThreadState.X0;
int InfoType = (int)ThreadState.X1;
long Handle = (long)ThreadState.X2;
int InfoId = (int)ThreadState.X3;
//Fail for info not available on older Kernel versions.
if (InfoType == 18 ||
InfoType == 19)
{
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidInfo);
return;
}
switch (InfoType)
{
case 0:
ThreadState.X1 = AllowedCpuIdBitmask;
break;
case 2:
ThreadState.X1 = MemoryRegions.MapRegionAddress;
break;
case 3:
ThreadState.X1 = MemoryRegions.MapRegionSize;
break;
case 4:
ThreadState.X1 = MemoryRegions.HeapRegionAddress;
break;
case 5:
ThreadState.X1 = MemoryRegions.HeapRegionSize;
break;
case 6:
ThreadState.X1 = MemoryRegions.TotalMemoryAvailable;
break;
case 7:
ThreadState.X1 = MemoryRegions.TotalMemoryUsed + CurrentHeapSize;
break;
case 8:
ThreadState.X1 = EnableProcessDebugging ? 1 : 0;
break;
case 11:
ThreadState.X1 = (ulong)Rng.Next() + ((ulong)Rng.Next() << 32);
break;
case 12:
ThreadState.X1 = MemoryRegions.AddrSpaceStart;
break;
case 13:
ThreadState.X1 = MemoryRegions.AddrSpaceSize;
break;
case 14:
ThreadState.X1 = MemoryRegions.MapRegionAddress;
break;
case 15:
ThreadState.X1 = MemoryRegions.MapRegionSize;
break;
default: throw new NotImplementedException($"SvcGetInfo: {InfoType} {Handle} {InfoId}");
}
ThreadState.X0 = 0;
}
}
}
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