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[HLE/Kernel] Somewhat improved sync primitives

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This commit is contained in:
gdkchan 2018-04-18 23:52:23 -03:00
parent e9a96e3522
commit b9af34f3dd
20 changed files with 408 additions and 443 deletions
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306
Ryujinx.Core/OsHle/Kernel/SvcSystem.cs Normal file
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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.Services;
using System;
using System.Threading;
using static Ryujinx.Core.OsHle.ErrorCode;
namespace Ryujinx.Core.OsHle.Kernel
{
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;
object Obj = Process.HandleTable.CloseHandle(Handle);
if (Obj == null)
{
Logging.Warn(LogClass.KernelSvc, $"Tried to CloseHandle on invalid handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
if (Obj is KSession Session)
{
Session.Dispose();
}
else if (Obj is HTransferMem TMem)
{
TMem.Memory.Manager.Reprotect(
TMem.Position,
TMem.Size,
TMem.Perm);
}
ThreadState.X0 = 0;
}
private void SvcResetSignal(AThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
KEvent Event = Process.HandleTable.GetData<KEvent>(Handle);
if (Event != null)
{
Event.WaitEvent.Reset();
ThreadState.X0 = 0;
}
else
{
Logging.Warn(LogClass.KernelSvc, $"Tried to ResetSignal on invalid event handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
private void SvcWaitSynchronization(AThreadState ThreadState)
{
long HandlesPtr = (long)ThreadState.X1;
int HandlesCount = (int)ThreadState.X2;
long Timeout = (long)ThreadState.X3;
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
WaitHandle[] Handles = new WaitHandle[HandlesCount];
for (int Index = 0; Index < HandlesCount; Index++)
{
int Handle = Memory.ReadInt32(HandlesPtr + Index * 4);
KSynchronizationObject SyncObj = Process.HandleTable.GetData<KSynchronizationObject>(Handle);
if (SyncObj == null)
{
Logging.Warn(LogClass.KernelSvc, $"Tried to WaitSynchronization on invalid handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
Handles[Index] = SyncObj.WaitEvent;
}
Process.Scheduler.Suspend(CurrThread.ProcessorId);
int HandleIndex;
ulong Result = 0;
if (Timeout != -1)
{
HandleIndex = WaitHandle.WaitAny(Handles, (int)(Timeout / 1000000));
if (HandleIndex == WaitHandle.WaitTimeout)
{
Result = MakeError(ErrorModule.Kernel, KernelErr.Timeout);
}
}
else
{
HandleIndex = WaitHandle.WaitAny(Handles);
}
Process.Scheduler.Resume(CurrThread);
ThreadState.X0 = Result;
if (Result == 0)
{
ThreadState.X1 = (ulong)HandleIndex;
}
}
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(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 CmdPtr, long Size, int Handle)
{
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
byte[] CmdData = AMemoryHelper.ReadBytes(Memory, CmdPtr, Size);
KSession Session = Process.HandleTable.GetData<KSession>(Handle);
if (Session != null)
{
Process.Scheduler.Suspend(CurrThread.ProcessorId);
IpcMessage Cmd = new IpcMessage(CmdData, CmdPtr);
IpcHandler.IpcCall(Ns, Process, Memory, Session, Cmd, CmdPtr);
Thread.Yield();
Process.Scheduler.Resume(CurrThread);
ThreadState.X0 = 0;
}
else
{
Logging.Warn(LogClass.KernelSvc, $"Tried to SendSyncRequest on invalid session handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
}
private void SvcBreak(AThreadState ThreadState)
{
long Reason = (long)ThreadState.X0;
long Unknown = (long)ThreadState.X1;
long Info = (long)ThreadState.X2;
throw new GuestBrokeExecutionException();
}
private void SvcOutputDebugString(AThreadState ThreadState)
{
long Position = (long)ThreadState.X0;
long Size = (long)ThreadState.X1;
string Str = AMemoryHelper.ReadAsciiString(Memory, Position, Size);
Logging.Info(LogClass.KernelSvc, Str);
ThreadState.X0 = 0;
}
private void SvcGetInfo(AThreadState ThreadState)
{
long StackPtr = (long)ThreadState.X0;
int InfoType = (int)ThreadState.X1;
long Handle = (long)ThreadState.X2;
int InfoId = (int)ThreadState.X3;
//Fail for info not available on older Kernel versions.
if (InfoType == 18 ||
InfoType == 19 ||
InfoType == 20)
{
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidInfo);
return;
}
switch (InfoType)
{
case 0:
ThreadState.X1 = AllowedCpuIdBitmask;
break;
case 2:
ThreadState.X1 = MemoryRegions.MapRegionAddress;
break;
case 3:
ThreadState.X1 = MemoryRegions.MapRegionSize;
break;
case 4:
ThreadState.X1 = MemoryRegions.HeapRegionAddress;
break;
case 5:
ThreadState.X1 = MemoryRegions.HeapRegionSize;
break;
case 6:
ThreadState.X1 = MemoryRegions.TotalMemoryAvailable;
break;
case 7:
ThreadState.X1 = MemoryRegions.TotalMemoryUsed + CurrentHeapSize;
break;
case 8:
ThreadState.X1 = EnableProcessDebugging ? 1 : 0;
break;
case 11:
ThreadState.X1 = (ulong)Rng.Next() + ((ulong)Rng.Next() << 32);
break;
case 12:
ThreadState.X1 = MemoryRegions.AddrSpaceStart;
break;
case 13:
ThreadState.X1 = MemoryRegions.AddrSpaceSize;
break;
case 14:
ThreadState.X1 = MemoryRegions.MapRegionAddress;
break;
case 15:
ThreadState.X1 = MemoryRegions.MapRegionSize;
break;
default: throw new NotImplementedException($"SvcGetInfo: {InfoType} {Handle} {InfoId}");
}
ThreadState.X0 = 0;
}
}
}