Refactor SVC handler (#540)
* Refactor SVC handler * Get rid of KernelErr * Split kernel code files into multiple folders
This commit is contained in:
gdkchan
GitHub
parent
2534a7f10c
commit
0039bb6394
105 changed files with 1894 additions and 1982 deletions
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@ -1,827 +0,0 @@
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using ChocolArm64.Memory;
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using ChocolArm64.State;
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.Exceptions;
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using Ryujinx.HLE.HOS.Ipc;
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using Ryujinx.HLE.HOS.Services;
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using System;
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using System.Threading;
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using static Ryujinx.HLE.HOS.ErrorCode;
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namespace Ryujinx.HLE.HOS.Kernel
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{
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partial class SvcHandler
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{
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private void SvcExitProcess(CpuThreadState threadState)
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{
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_system.Scheduler.GetCurrentProcess().Terminate();
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}
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private void SignalEvent64(CpuThreadState threadState)
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{
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threadState.X0 = (ulong)SignalEvent((int)threadState.X0);
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}
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private KernelResult SignalEvent(int handle)
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{
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KWritableEvent writableEvent = _process.HandleTable.GetObject<KWritableEvent>(handle);
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KernelResult result;
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if (writableEvent != null)
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{
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writableEvent.Signal();
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result = KernelResult.Success;
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}
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else
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{
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result = KernelResult.InvalidHandle;
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}
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if (result != KernelResult.Success)
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{
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Logger.PrintWarning(LogClass.KernelSvc, "Operation failed with error: " + result + "!");
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}
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return result;
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}
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private void ClearEvent64(CpuThreadState threadState)
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{
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threadState.X0 = (ulong)ClearEvent((int)threadState.X0);
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}
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private KernelResult ClearEvent(int handle)
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{
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KernelResult result;
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KWritableEvent writableEvent = _process.HandleTable.GetObject<KWritableEvent>(handle);
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if (writableEvent == null)
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{
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KReadableEvent readableEvent = _process.HandleTable.GetObject<KReadableEvent>(handle);
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result = readableEvent?.Clear() ?? KernelResult.InvalidHandle;
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}
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else
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{
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result = writableEvent.Clear();
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}
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if (result != KernelResult.Success)
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{
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Logger.PrintWarning(LogClass.KernelSvc, "Operation failed with error: " + result + "!");
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}
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return result;
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}
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private void SvcCloseHandle(CpuThreadState threadState)
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{
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int handle = (int)threadState.X0;
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object obj = _process.HandleTable.GetObject<object>(handle);
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_process.HandleTable.CloseHandle(handle);
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if (obj == null)
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{
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Logger.PrintWarning(LogClass.KernelSvc, $"Invalid handle 0x{handle:x8}!");
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threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
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return;
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}
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if (obj is KSession session)
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{
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session.Dispose();
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}
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else if (obj is KTransferMemory transferMemory)
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{
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_process.MemoryManager.ResetTransferMemory(
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transferMemory.Address,
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transferMemory.Size);
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}
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threadState.X0 = 0;
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}
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private void ResetSignal64(CpuThreadState threadState)
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{
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threadState.X0 = (ulong)ResetSignal((int)threadState.X0);
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}
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private KernelResult ResetSignal(int handle)
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{
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KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
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KReadableEvent readableEvent = currentProcess.HandleTable.GetObject<KReadableEvent>(handle);
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KernelResult result;
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if (readableEvent != null)
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{
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result = readableEvent.ClearIfSignaled();
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}
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else
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{
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KProcess process = currentProcess.HandleTable.GetKProcess(handle);
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if (process != null)
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{
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result = process.ClearIfNotExited();
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}
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else
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{
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result = KernelResult.InvalidHandle;
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}
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}
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if (result == KernelResult.InvalidState)
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{
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Logger.PrintDebug(LogClass.KernelSvc, "Operation failed with error: " + result + "!");
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}
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else if (result != KernelResult.Success)
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{
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Logger.PrintWarning(LogClass.KernelSvc, "Operation failed with error: " + result + "!");
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}
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return result;
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}
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private void SvcGetSystemTick(CpuThreadState threadState)
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{
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threadState.X0 = threadState.CntpctEl0;
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}
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private void SvcConnectToNamedPort(CpuThreadState threadState)
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{
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long stackPtr = (long)threadState.X0;
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long namePtr = (long)threadState.X1;
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string name = MemoryHelper.ReadAsciiString(_memory, namePtr, 8);
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//TODO: Validate that app has perms to access the service, and that the service
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//actually exists, return error codes otherwise.
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KSession session = new KSession(ServiceFactory.MakeService(_system, name), name);
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if (_process.HandleTable.GenerateHandle(session, out int handle) != KernelResult.Success)
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{
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throw new InvalidOperationException("Out of handles!");
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}
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threadState.X0 = 0;
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threadState.X1 = (uint)handle;
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}
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private void SvcSendSyncRequest(CpuThreadState threadState)
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{
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SendSyncRequest(threadState, threadState.Tpidr, 0x100, (int)threadState.X0);
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}
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private void SvcSendSyncRequestWithUserBuffer(CpuThreadState threadState)
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{
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SendSyncRequest(
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threadState,
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(long)threadState.X0,
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(long)threadState.X1,
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(int)threadState.X2);
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}
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private void SendSyncRequest(CpuThreadState threadState, long messagePtr, long size, int handle)
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{
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byte[] messageData = _memory.ReadBytes(messagePtr, size);
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KSession session = _process.HandleTable.GetObject<KSession>(handle);
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if (session != null)
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{
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_system.CriticalSection.Enter();
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KThread currentThread = _system.Scheduler.GetCurrentThread();
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currentThread.SignaledObj = null;
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currentThread.ObjSyncResult = 0;
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currentThread.Reschedule(ThreadSchedState.Paused);
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IpcMessage message = new IpcMessage(messageData, messagePtr);
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ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
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currentThread,
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session,
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message,
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messagePtr));
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_system.ThreadCounter.AddCount();
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_system.CriticalSection.Leave();
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threadState.X0 = (ulong)currentThread.ObjSyncResult;
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}
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else
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{
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Logger.PrintWarning(LogClass.KernelSvc, $"Invalid session handle 0x{handle:x8}!");
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threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
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}
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}
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private void ProcessIpcRequest(object state)
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{
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HleIpcMessage ipcMessage = (HleIpcMessage)state;
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ipcMessage.Thread.ObjSyncResult = (int)IpcHandler.IpcCall(
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_device,
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_process,
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_memory,
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ipcMessage.Session,
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ipcMessage.Message,
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ipcMessage.MessagePtr);
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_system.ThreadCounter.Signal();
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ipcMessage.Thread.Reschedule(ThreadSchedState.Running);
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}
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private void GetProcessId64(CpuThreadState threadState)
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{
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int handle = (int)threadState.X1;
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KernelResult result = GetProcessId(handle, out long pid);
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threadState.X0 = (ulong)result;
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threadState.X1 = (ulong)pid;
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}
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private KernelResult GetProcessId(int handle, out long pid)
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{
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KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
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KProcess process = currentProcess.HandleTable.GetKProcess(handle);
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if (process == null)
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{
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KThread thread = currentProcess.HandleTable.GetKThread(handle);
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if (thread != null)
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{
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process = thread.Owner;
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}
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//TODO: KDebugEvent.
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}
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pid = process?.Pid ?? 0;
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return process != null
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? KernelResult.Success
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: KernelResult.InvalidHandle;
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}
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private void SvcBreak(CpuThreadState threadState)
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{
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long reason = (long)threadState.X0;
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long unknown = (long)threadState.X1;
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long info = (long)threadState.X2;
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KThread currentThread = _system.Scheduler.GetCurrentThread();
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if ((reason & (1 << 31)) == 0)
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{
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currentThread.PrintGuestStackTrace();
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throw new GuestBrokeExecutionException();
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}
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else
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{
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Logger.PrintInfo(LogClass.KernelSvc, "Debugger triggered.");
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currentThread.PrintGuestStackTrace();
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}
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}
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private void SvcOutputDebugString(CpuThreadState threadState)
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{
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long position = (long)threadState.X0;
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long size = (long)threadState.X1;
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string str = MemoryHelper.ReadAsciiString(_memory, position, size);
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Logger.PrintWarning(LogClass.KernelSvc, str);
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threadState.X0 = 0;
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}
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private void GetInfo64(CpuThreadState threadState)
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{
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long stackPtr = (long)threadState.X0;
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uint id = (uint)threadState.X1;
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int handle = (int)threadState.X2;
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long subId = (long)threadState.X3;
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KernelResult result = GetInfo(id, handle, subId, out long value);
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threadState.X0 = (ulong)result;
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threadState.X1 = (ulong)value;
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}
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private KernelResult GetInfo(uint id, int handle, long subId, out long value)
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{
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value = 0;
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switch (id)
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{
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case 0:
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case 1:
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case 2:
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case 3:
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case 4:
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case 5:
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case 6:
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case 7:
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case 12:
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case 13:
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case 14:
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case 15:
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case 16:
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case 17:
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case 18:
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case 20:
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case 21:
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case 22:
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{
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if (subId != 0)
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{
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return KernelResult.InvalidCombination;
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}
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KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
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KProcess process = currentProcess.HandleTable.GetKProcess(handle);
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if (process == null)
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{
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return KernelResult.InvalidHandle;
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}
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switch (id)
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{
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case 0: value = process.Capabilities.AllowedCpuCoresMask; break;
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case 1: value = process.Capabilities.AllowedThreadPriosMask; break;
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case 2: value = (long)process.MemoryManager.AliasRegionStart; break;
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case 3: value = (long)(process.MemoryManager.AliasRegionEnd -
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process.MemoryManager.AliasRegionStart); break;
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case 4: value = (long)process.MemoryManager.HeapRegionStart; break;
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case 5: value = (long)(process.MemoryManager.HeapRegionEnd -
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process.MemoryManager.HeapRegionStart); break;
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case 6: value = (long)process.GetMemoryCapacity(); break;
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case 7: value = (long)process.GetMemoryUsage(); break;
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case 12: value = (long)process.MemoryManager.GetAddrSpaceBaseAddr(); break;
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case 13: value = (long)process.MemoryManager.GetAddrSpaceSize(); break;
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case 14: value = (long)process.MemoryManager.StackRegionStart; break;
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case 15: value = (long)(process.MemoryManager.StackRegionEnd -
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process.MemoryManager.StackRegionStart); break;
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case 16: value = (long)process.PersonalMmHeapPagesCount * KMemoryManager.PageSize; break;
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case 17:
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if (process.PersonalMmHeapPagesCount != 0)
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{
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value = process.MemoryManager.GetMmUsedPages() * KMemoryManager.PageSize;
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}
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break;
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case 18: value = process.TitleId; break;
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case 20: value = (long)process.UserExceptionContextAddress; break;
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case 21: value = (long)process.GetMemoryCapacityWithoutPersonalMmHeap(); break;
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case 22: value = (long)process.GetMemoryUsageWithoutPersonalMmHeap(); break;
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}
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break;
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}
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case 8:
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{
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if (handle != 0)
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{
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return KernelResult.InvalidHandle;
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}
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if (subId != 0)
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{
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return KernelResult.InvalidCombination;
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}
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value = _system.Scheduler.GetCurrentProcess().Debug ? 1 : 0;
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break;
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}
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case 9:
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{
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if (handle != 0)
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{
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return KernelResult.InvalidHandle;
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}
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if (subId != 0)
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{
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return KernelResult.InvalidCombination;
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}
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KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
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if (currentProcess.ResourceLimit != null)
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{
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KHandleTable handleTable = currentProcess.HandleTable;
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KResourceLimit resourceLimit = currentProcess.ResourceLimit;
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KernelResult result = handleTable.GenerateHandle(resourceLimit, out int resLimHandle);
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if (result != KernelResult.Success)
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{
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return result;
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}
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value = (uint)resLimHandle;
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}
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break;
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}
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case 10:
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{
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if (handle != 0)
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{
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return KernelResult.InvalidHandle;
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}
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int currentCore = _system.Scheduler.GetCurrentThread().CurrentCore;
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if (subId != -1 && subId != currentCore)
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{
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return KernelResult.InvalidCombination;
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}
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value = _system.Scheduler.CoreContexts[currentCore].TotalIdleTimeTicks;
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break;
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}
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case 11:
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{
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if (handle != 0)
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{
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return KernelResult.InvalidHandle;
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}
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if ((ulong)subId > 3)
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{
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return KernelResult.InvalidCombination;
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}
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KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
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value = currentProcess.RandomEntropy[subId];
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break;
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}
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case 0xf0000002u:
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{
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if (subId < -1 || subId > 3)
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{
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return KernelResult.InvalidCombination;
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}
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KThread thread = _system.Scheduler.GetCurrentProcess().HandleTable.GetKThread(handle);
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if (thread == null)
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{
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return KernelResult.InvalidHandle;
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}
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KThread currentThread = _system.Scheduler.GetCurrentThread();
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int currentCore = currentThread.CurrentCore;
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if (subId != -1 && subId != currentCore)
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{
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return KernelResult.Success;
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}
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KCoreContext coreContext = _system.Scheduler.CoreContexts[currentCore];
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long timeDelta = PerformanceCounter.ElapsedMilliseconds - coreContext.LastContextSwitchTime;
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if (subId != -1)
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{
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value = KTimeManager.ConvertMillisecondsToTicks(timeDelta);
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}
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else
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{
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long totalTimeRunning = thread.TotalTimeRunning;
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if (thread == currentThread)
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{
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totalTimeRunning += timeDelta;
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}
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value = KTimeManager.ConvertMillisecondsToTicks(totalTimeRunning);
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}
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break;
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}
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default: return KernelResult.InvalidEnumValue;
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}
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return KernelResult.Success;
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}
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private void CreateEvent64(CpuThreadState state)
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{
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KernelResult result = CreateEvent(out int wEventHandle, out int rEventHandle);
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state.X0 = (ulong)result;
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state.X1 = (ulong)wEventHandle;
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state.X2 = (ulong)rEventHandle;
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}
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|
||||
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;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue