Ryujinx/Ryujinx.HLE/HOS/Kernel/SvcSystem.cs

827 lines
25 KiB
C#

using ChocolArm64.Memory;
using ChocolArm64.State;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.Exceptions;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Services;
using System;
using System.Threading;
using static Ryujinx.HLE.HOS.ErrorCode;
namespace Ryujinx.HLE.HOS.Kernel
{
partial class SvcHandler
{
private void SvcExitProcess(CpuThreadState ThreadState)
{
System.Scheduler.GetCurrentProcess().Terminate();
}
private void SignalEvent64(CpuThreadState ThreadState)
{
ThreadState.X0 = (ulong)SignalEvent((int)ThreadState.X0);
}
private KernelResult SignalEvent(int Handle)
{
KWritableEvent WritableEvent = Process.HandleTable.GetObject<KWritableEvent>(Handle);
KernelResult Result;
if (WritableEvent != null)
{
WritableEvent.Signal();
Result = KernelResult.Success;
}
else
{
Result = KernelResult.InvalidHandle;
}
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, "Operation failed with error: " + Result + "!");
}
return Result;
}
private void ClearEvent64(CpuThreadState ThreadState)
{
ThreadState.X0 = (ulong)ClearEvent((int)ThreadState.X0);
}
private KernelResult ClearEvent(int Handle)
{
KernelResult Result;
KWritableEvent WritableEvent = Process.HandleTable.GetObject<KWritableEvent>(Handle);
if (WritableEvent == null)
{
KReadableEvent ReadableEvent = Process.HandleTable.GetObject<KReadableEvent>(Handle);
Result = ReadableEvent?.Clear() ?? KernelResult.InvalidHandle;
}
else
{
Result = WritableEvent.Clear();
}
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, "Operation failed with error: " + Result + "!");
}
return Result;
}
private void SvcCloseHandle(CpuThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
object Obj = Process.HandleTable.GetObject<object>(Handle);
Process.HandleTable.CloseHandle(Handle);
if (Obj == null)
{
Logger.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.Address,
TransferMemory.Size);
}
ThreadState.X0 = 0;
}
private void ResetSignal64(CpuThreadState ThreadState)
{
ThreadState.X0 = (ulong)ResetSignal((int)ThreadState.X0);
}
private KernelResult ResetSignal(int Handle)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KReadableEvent ReadableEvent = CurrentProcess.HandleTable.GetObject<KReadableEvent>(Handle);
KernelResult Result;
if (ReadableEvent != null)
{
Result = ReadableEvent.ClearIfSignaled();
}
else
{
KProcess Process = CurrentProcess.HandleTable.GetKProcess(Handle);
if (Process != null)
{
Result = Process.ClearIfNotExited();
}
else
{
Result = KernelResult.InvalidHandle;
}
}
if (Result == KernelResult.InvalidState)
{
Logger.PrintDebug(LogClass.KernelSvc, "Operation failed with error: " + Result + "!");
}
else if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, "Operation failed with error: " + Result + "!");
}
return Result;
}
private void SvcGetSystemTick(CpuThreadState ThreadState)
{
ThreadState.X0 = ThreadState.CntpctEl0;
}
private void SvcConnectToNamedPort(CpuThreadState ThreadState)
{
long StackPtr = (long)ThreadState.X0;
long NamePtr = (long)ThreadState.X1;
string Name = MemoryHelper.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);
if (Process.HandleTable.GenerateHandle(Session, out int Handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
ThreadState.X0 = 0;
ThreadState.X1 = (uint)Handle;
}
private void SvcSendSyncRequest(CpuThreadState ThreadState)
{
SendSyncRequest(ThreadState, ThreadState.Tpidr, 0x100, (int)ThreadState.X0);
}
private void SvcSendSyncRequestWithUserBuffer(CpuThreadState ThreadState)
{
SendSyncRequest(
ThreadState,
(long)ThreadState.X0,
(long)ThreadState.X1,
(int)ThreadState.X2);
}
private void SendSyncRequest(CpuThreadState ThreadState, long MessagePtr, long Size, int Handle)
{
byte[] MessageData = Memory.ReadBytes(MessagePtr, Size);
KSession Session = Process.HandleTable.GetObject<KSession>(Handle);
if (Session != null)
{
System.CriticalSection.Enter();
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.ThreadCounter.AddCount();
System.CriticalSection.Leave();
ThreadState.X0 = (ulong)CurrentThread.ObjSyncResult;
}
else
{
Logger.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);
System.ThreadCounter.Signal();
IpcMessage.Thread.Reschedule(ThreadSchedState.Running);
}
private void GetProcessId64(CpuThreadState ThreadState)
{
int Handle = (int)ThreadState.X1;
KernelResult Result = GetProcessId(Handle, out long Pid);
ThreadState.X0 = (ulong)Result;
ThreadState.X1 = (ulong)Pid;
}
private KernelResult GetProcessId(int Handle, out long Pid)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KProcess Process = CurrentProcess.HandleTable.GetKProcess(Handle);
if (Process == null)
{
KThread Thread = CurrentProcess.HandleTable.GetKThread(Handle);
if (Thread != null)
{
Process = Thread.Owner;
}
//TODO: KDebugEvent.
}
Pid = Process?.Pid ?? 0;
return Process != null
? KernelResult.Success
: KernelResult.InvalidHandle;
}
private void SvcBreak(CpuThreadState ThreadState)
{
long Reason = (long)ThreadState.X0;
long Unknown = (long)ThreadState.X1;
long Info = (long)ThreadState.X2;
KThread CurrentThread = System.Scheduler.GetCurrentThread();
if ((Reason & (1 << 31)) == 0)
{
CurrentThread.PrintGuestStackTrace();
throw new GuestBrokeExecutionException();
}
else
{
Logger.PrintInfo(LogClass.KernelSvc, "Debugger triggered.");
CurrentThread.PrintGuestStackTrace();
}
}
private void SvcOutputDebugString(CpuThreadState ThreadState)
{
long Position = (long)ThreadState.X0;
long Size = (long)ThreadState.X1;
string Str = MemoryHelper.ReadAsciiString(Memory, Position, Size);
Logger.PrintWarning(LogClass.KernelSvc, Str);
ThreadState.X0 = 0;
}
private void GetInfo64(CpuThreadState ThreadState)
{
long StackPtr = (long)ThreadState.X0;
uint Id = (uint)ThreadState.X1;
int Handle = (int)ThreadState.X2;
long SubId = (long)ThreadState.X3;
KernelResult Result = GetInfo(Id, Handle, SubId, out long Value);
ThreadState.X0 = (ulong)Result;
ThreadState.X1 = (ulong)Value;
}
private KernelResult GetInfo(uint Id, int Handle, long SubId, out long Value)
{
Value = 0;
switch (Id)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
case 20:
case 21:
case 22:
{
if (SubId != 0)
{
return KernelResult.InvalidCombination;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KProcess Process = CurrentProcess.HandleTable.GetKProcess(Handle);
if (Process == null)
{
return KernelResult.InvalidHandle;
}
switch (Id)
{
case 0: Value = Process.Capabilities.AllowedCpuCoresMask; break;
case 1: Value = Process.Capabilities.AllowedThreadPriosMask; break;
case 2: Value = (long)Process.MemoryManager.AliasRegionStart; break;
case 3: Value = (long)(Process.MemoryManager.AliasRegionEnd -
Process.MemoryManager.AliasRegionStart); break;
case 4: Value = (long)Process.MemoryManager.HeapRegionStart; break;
case 5: Value = (long)(Process.MemoryManager.HeapRegionEnd -
Process.MemoryManager.HeapRegionStart); break;
case 6: Value = (long)Process.GetMemoryCapacity(); break;
case 7: Value = (long)Process.GetMemoryUsage(); break;
case 12: Value = (long)Process.MemoryManager.GetAddrSpaceBaseAddr(); break;
case 13: Value = (long)Process.MemoryManager.GetAddrSpaceSize(); break;
case 14: Value = (long)Process.MemoryManager.StackRegionStart; break;
case 15: Value = (long)(Process.MemoryManager.StackRegionEnd -
Process.MemoryManager.StackRegionStart); break;
case 16: Value = (long)Process.PersonalMmHeapPagesCount * KMemoryManager.PageSize; break;
case 17:
if (Process.PersonalMmHeapPagesCount != 0)
{
Value = Process.MemoryManager.GetMmUsedPages() * KMemoryManager.PageSize;
}
break;
case 18: Value = Process.TitleId; break;
case 20: Value = (long)Process.UserExceptionContextAddress; break;
case 21: Value = (long)Process.GetMemoryCapacityWithoutPersonalMmHeap(); break;
case 22: Value = (long)Process.GetMemoryUsageWithoutPersonalMmHeap(); break;
}
break;
}
case 8:
{
if (Handle != 0)
{
return KernelResult.InvalidHandle;
}
if (SubId != 0)
{
return KernelResult.InvalidCombination;
}
Value = System.Scheduler.GetCurrentProcess().Debug ? 1 : 0;
break;
}
case 9:
{
if (Handle != 0)
{
return KernelResult.InvalidHandle;
}
if (SubId != 0)
{
return KernelResult.InvalidCombination;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (CurrentProcess.ResourceLimit != null)
{
KHandleTable HandleTable = CurrentProcess.HandleTable;
KResourceLimit ResourceLimit = CurrentProcess.ResourceLimit;
KernelResult Result = HandleTable.GenerateHandle(ResourceLimit, out int ResLimHandle);
if (Result != KernelResult.Success)
{
return Result;
}
Value = (uint)ResLimHandle;
}
break;
}
case 10:
{
if (Handle != 0)
{
return KernelResult.InvalidHandle;
}
int CurrentCore = System.Scheduler.GetCurrentThread().CurrentCore;
if (SubId != -1 && SubId != CurrentCore)
{
return KernelResult.InvalidCombination;
}
Value = System.Scheduler.CoreContexts[CurrentCore].TotalIdleTimeTicks;
break;
}
case 11:
{
if (Handle != 0)
{
return KernelResult.InvalidHandle;
}
if ((ulong)SubId > 3)
{
return KernelResult.InvalidCombination;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
Value = CurrentProcess.RandomEntropy[SubId];
break;
}
case 0xf0000002u:
{
if (SubId < -1 || SubId > 3)
{
return KernelResult.InvalidCombination;
}
KThread Thread = System.Scheduler.GetCurrentProcess().HandleTable.GetKThread(Handle);
if (Thread == null)
{
return KernelResult.InvalidHandle;
}
KThread CurrentThread = System.Scheduler.GetCurrentThread();
int CurrentCore = CurrentThread.CurrentCore;
if (SubId != -1 && SubId != CurrentCore)
{
return KernelResult.Success;
}
KCoreContext CoreContext = System.Scheduler.CoreContexts[CurrentCore];
long TimeDelta = PerformanceCounter.ElapsedMilliseconds - CoreContext.LastContextSwitchTime;
if (SubId != -1)
{
Value = KTimeManager.ConvertMillisecondsToTicks(TimeDelta);
}
else
{
long TotalTimeRunning = Thread.TotalTimeRunning;
if (Thread == CurrentThread)
{
TotalTimeRunning += TimeDelta;
}
Value = KTimeManager.ConvertMillisecondsToTicks(TotalTimeRunning);
}
break;
}
default: return KernelResult.InvalidEnumValue;
}
return KernelResult.Success;
}
private void CreateEvent64(CpuThreadState State)
{
KernelResult Result = CreateEvent(out int WEventHandle, out int REventHandle);
State.X0 = (ulong)Result;
State.X1 = (ulong)WEventHandle;
State.X2 = (ulong)REventHandle;
}
private KernelResult CreateEvent(out int WEventHandle, out int REventHandle)
{
KEvent Event = new KEvent(System);
KernelResult Result = Process.HandleTable.GenerateHandle(Event.WritableEvent, out WEventHandle);
if (Result == KernelResult.Success)
{
Result = Process.HandleTable.GenerateHandle(Event.ReadableEvent, out REventHandle);
if (Result != KernelResult.Success)
{
Process.HandleTable.CloseHandle(WEventHandle);
}
}
else
{
REventHandle = 0;
}
return Result;
}
private void GetProcessList64(CpuThreadState State)
{
ulong Address = State.X1;
int MaxOut = (int)State.X2;
KernelResult Result = GetProcessList(Address, MaxOut, out int Count);
State.X0 = (ulong)Result;
State.X1 = (ulong)Count;
}
private KernelResult GetProcessList(ulong Address, int MaxCount, out int Count)
{
Count = 0;
if ((MaxCount >> 28) != 0)
{
return KernelResult.MaximumExceeded;
}
if (MaxCount != 0)
{
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
ulong CopySize = (ulong)MaxCount * 8;
if (Address + CopySize <= Address)
{
return KernelResult.InvalidMemState;
}
if (CurrentProcess.MemoryManager.OutsideAddrSpace(Address, CopySize))
{
return KernelResult.InvalidMemState;
}
}
int CopyCount = 0;
lock (System.Processes)
{
foreach (KProcess Process in System.Processes.Values)
{
if (CopyCount < MaxCount)
{
if (!KernelTransfer.KernelToUserInt64(System, (long)Address + CopyCount * 8, Process.Pid))
{
return KernelResult.UserCopyFailed;
}
}
CopyCount++;
}
}
Count = CopyCount;
return KernelResult.Success;
}
private void GetSystemInfo64(CpuThreadState State)
{
uint Id = (uint)State.X1;
int Handle = (int)State.X2;
long SubId = (long)State.X3;
KernelResult Result = GetSystemInfo(Id, Handle, SubId, out long Value);
State.X0 = (ulong)Result;
State.X1 = (ulong)Value;
}
private KernelResult GetSystemInfo(uint Id, int Handle, long SubId, out long Value)
{
Value = 0;
if (Id > 2)
{
return KernelResult.InvalidEnumValue;
}
if (Handle != 0)
{
return KernelResult.InvalidHandle;
}
if (Id < 2)
{
if ((ulong)SubId > 3)
{
return KernelResult.InvalidCombination;
}
KMemoryRegionManager Region = System.MemoryRegions[SubId];
switch (Id)
{
//Memory region capacity.
case 0: Value = (long)Region.Size; break;
//Memory region free space.
case 1:
{
ulong FreePagesCount = Region.GetFreePages();
Value = (long)(FreePagesCount * KMemoryManager.PageSize);
break;
}
}
}
else /* if (Id == 2) */
{
if ((ulong)SubId > 1)
{
return KernelResult.InvalidCombination;
}
switch (SubId)
{
case 0: Value = System.PrivilegedProcessLowestId; break;
case 1: Value = System.PrivilegedProcessHighestId; break;
}
}
return KernelResult.Success;
}
private void CreatePort64(CpuThreadState State)
{
int MaxSessions = (int)State.X2;
bool IsLight = (State.X3 & 1) != 0;
long NameAddress = (long)State.X4;
KernelResult Result = CreatePort(
MaxSessions,
IsLight,
NameAddress,
out int ServerPortHandle,
out int ClientPortHandle);
State.X0 = (ulong)Result;
State.X1 = (ulong)ServerPortHandle;
State.X2 = (ulong)ClientPortHandle;
}
private KernelResult CreatePort(
int MaxSessions,
bool IsLight,
long NameAddress,
out int ServerPortHandle,
out int ClientPortHandle)
{
ServerPortHandle = ClientPortHandle = 0;
if (MaxSessions < 1)
{
return KernelResult.MaximumExceeded;
}
KPort Port = new KPort(System);
Port.Initialize(MaxSessions, IsLight, NameAddress);
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KernelResult Result = CurrentProcess.HandleTable.GenerateHandle(Port.ClientPort, out ClientPortHandle);
if (Result != KernelResult.Success)
{
return Result;
}
Result = CurrentProcess.HandleTable.GenerateHandle(Port.ServerPort, out ServerPortHandle);
if (Result != KernelResult.Success)
{
CurrentProcess.HandleTable.CloseHandle(ClientPortHandle);
}
return Result;
}
private void ManageNamedPort64(CpuThreadState State)
{
long NameAddress = (long)State.X1;
int MaxSessions = (int)State.X2;
KernelResult Result = ManageNamedPort(NameAddress, MaxSessions, out int Handle);
State.X0 = (ulong)Result;
State.X1 = (ulong)Handle;
}
private KernelResult ManageNamedPort(long NameAddress, int MaxSessions, out int Handle)
{
Handle = 0;
if (!KernelTransfer.UserToKernelString(System, NameAddress, 12, out string Name))
{
return KernelResult.UserCopyFailed;
}
if (MaxSessions < 0 || Name.Length > 11)
{
return KernelResult.MaximumExceeded;
}
if (MaxSessions == 0)
{
return KClientPort.RemoveName(System, Name);
}
KPort Port = new KPort(System);
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KernelResult Result = CurrentProcess.HandleTable.GenerateHandle(Port.ServerPort, out Handle);
if (Result != KernelResult.Success)
{
return Result;
}
Port.Initialize(MaxSessions, false, 0);
Result = Port.SetName(Name);
if (Result != KernelResult.Success)
{
CurrentProcess.HandleTable.CloseHandle(Handle);
}
return Result;
}
}
}