1013 lines
No EOL
30 KiB
C#
1013 lines
No EOL
30 KiB
C#
using ChocolArm64;
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using ChocolArm64.Events;
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using ChocolArm64.Memory;
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Kernel
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{
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class KProcess : KSynchronizationObject
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{
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public const int KernelVersionMajor = 10;
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public const int KernelVersionMinor = 4;
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public const int KernelVersionRevision = 0;
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public const int KernelVersionPacked =
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(KernelVersionMajor << 19) |
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(KernelVersionMinor << 15) |
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(KernelVersionRevision << 0);
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public KMemoryManager MemoryManager { get; private set; }
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private SortedDictionary<ulong, KTlsPageInfo> _fullTlsPages;
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private SortedDictionary<ulong, KTlsPageInfo> _freeTlsPages;
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public int DefaultCpuCore { get; private set; }
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public bool Debug { get; private set; }
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public KResourceLimit ResourceLimit { get; private set; }
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public ulong PersonalMmHeapPagesCount { get; private set; }
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private ProcessState _state;
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private object _processLock;
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private object _threadingLock;
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public KAddressArbiter AddressArbiter { get; private set; }
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public long[] RandomEntropy { get; private set; }
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private bool _signaled;
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private bool _useSystemMemBlocks;
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public string Name { get; private set; }
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private int _threadCount;
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public int MmuFlags { get; private set; }
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private MemoryRegion _memRegion;
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public KProcessCapabilities Capabilities { get; private set; }
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public long TitleId { get; private set; }
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public long Pid { get; private set; }
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private long _creationTimestamp;
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private ulong _entrypoint;
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private ulong _imageSize;
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private ulong _mainThreadStackSize;
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private ulong _memoryUsageCapacity;
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private int _category;
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public KHandleTable HandleTable { get; private set; }
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public ulong UserExceptionContextAddress { get; private set; }
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private LinkedList<KThread> _threads;
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public bool IsPaused { get; private set; }
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public Translator Translator { get; private set; }
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public MemoryManager CpuMemory { get; private set; }
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private SvcHandler _svcHandler;
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public HleProcessDebugger Debugger { get; private set; }
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public KProcess(Horizon system) : base(system)
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{
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_processLock = new object();
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_threadingLock = new object();
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CpuMemory = new MemoryManager(system.Device.Memory.RamPointer);
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CpuMemory.InvalidAccess += InvalidAccessHandler;
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AddressArbiter = new KAddressArbiter(system);
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MemoryManager = new KMemoryManager(system, CpuMemory);
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_fullTlsPages = new SortedDictionary<ulong, KTlsPageInfo>();
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_freeTlsPages = new SortedDictionary<ulong, KTlsPageInfo>();
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Capabilities = new KProcessCapabilities();
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RandomEntropy = new long[KScheduler.CpuCoresCount];
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_threads = new LinkedList<KThread>();
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Translator = new Translator();
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Translator.CpuTrace += CpuTraceHandler;
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_svcHandler = new SvcHandler(system.Device, this);
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Debugger = new HleProcessDebugger(this);
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}
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public KernelResult InitializeKip(
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ProcessCreationInfo creationInfo,
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int[] caps,
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KPageList pageList,
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KResourceLimit resourceLimit,
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MemoryRegion memRegion)
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{
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ResourceLimit = resourceLimit;
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_memRegion = memRegion;
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AddressSpaceType addrSpaceType = (AddressSpaceType)((creationInfo.MmuFlags >> 1) & 7);
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bool aslrEnabled = ((creationInfo.MmuFlags >> 5) & 1) != 0;
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ulong codeAddress = creationInfo.CodeAddress;
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ulong codeSize = (ulong)creationInfo.CodePagesCount * KMemoryManager.PageSize;
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KMemoryBlockAllocator memoryBlockAllocator = (MmuFlags & 0x40) != 0
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? System.LargeMemoryBlockAllocator
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: System.SmallMemoryBlockAllocator;
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KernelResult result = MemoryManager.InitializeForProcess(
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addrSpaceType,
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aslrEnabled,
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!aslrEnabled,
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memRegion,
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codeAddress,
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codeSize,
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memoryBlockAllocator);
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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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if (!ValidateCodeAddressAndSize(codeAddress, codeSize))
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{
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return KernelResult.InvalidMemRange;
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}
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result = MemoryManager.MapPages(
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codeAddress,
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pageList,
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MemoryState.CodeStatic,
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MemoryPermission.None);
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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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result = Capabilities.InitializeForKernel(caps, MemoryManager);
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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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Pid = System.GetKipId();
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if (Pid == 0 || (ulong)Pid >= Horizon.InitialProcessId)
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{
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throw new InvalidOperationException($"Invalid KIP Id {Pid}.");
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}
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result = ParseProcessInfo(creationInfo);
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return result;
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}
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public KernelResult Initialize(
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ProcessCreationInfo creationInfo,
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int[] caps,
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KResourceLimit resourceLimit,
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MemoryRegion memRegion)
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{
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ResourceLimit = resourceLimit;
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_memRegion = memRegion;
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ulong personalMmHeapSize = GetPersonalMmHeapSize((ulong)creationInfo.PersonalMmHeapPagesCount, memRegion);
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ulong codePagesCount = (ulong)creationInfo.CodePagesCount;
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ulong neededSizeForProcess = personalMmHeapSize + codePagesCount * KMemoryManager.PageSize;
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if (neededSizeForProcess != 0 && resourceLimit != null)
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{
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if (!resourceLimit.Reserve(LimitableResource.Memory, neededSizeForProcess))
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{
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return KernelResult.ResLimitExceeded;
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}
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}
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void CleanUpForError()
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{
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if (neededSizeForProcess != 0 && resourceLimit != null)
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{
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resourceLimit.Release(LimitableResource.Memory, neededSizeForProcess);
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}
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}
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PersonalMmHeapPagesCount = (ulong)creationInfo.PersonalMmHeapPagesCount;
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KMemoryBlockAllocator memoryBlockAllocator;
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if (PersonalMmHeapPagesCount != 0)
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{
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memoryBlockAllocator = new KMemoryBlockAllocator(PersonalMmHeapPagesCount * KMemoryManager.PageSize);
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}
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else
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{
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memoryBlockAllocator = (MmuFlags & 0x40) != 0
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? System.LargeMemoryBlockAllocator
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: System.SmallMemoryBlockAllocator;
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}
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AddressSpaceType addrSpaceType = (AddressSpaceType)((creationInfo.MmuFlags >> 1) & 7);
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bool aslrEnabled = ((creationInfo.MmuFlags >> 5) & 1) != 0;
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ulong codeAddress = creationInfo.CodeAddress;
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ulong codeSize = codePagesCount * KMemoryManager.PageSize;
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KernelResult result = MemoryManager.InitializeForProcess(
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addrSpaceType,
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aslrEnabled,
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!aslrEnabled,
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memRegion,
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codeAddress,
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codeSize,
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memoryBlockAllocator);
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if (result != KernelResult.Success)
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{
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CleanUpForError();
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return result;
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}
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if (!ValidateCodeAddressAndSize(codeAddress, codeSize))
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{
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CleanUpForError();
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return KernelResult.InvalidMemRange;
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}
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result = MemoryManager.MapNewProcessCode(
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codeAddress,
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codePagesCount,
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MemoryState.CodeStatic,
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MemoryPermission.None);
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if (result != KernelResult.Success)
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{
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CleanUpForError();
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return result;
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}
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result = Capabilities.InitializeForUser(caps, MemoryManager);
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if (result != KernelResult.Success)
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{
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CleanUpForError();
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return result;
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}
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Pid = System.GetProcessId();
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if (Pid == -1 || (ulong)Pid < Horizon.InitialProcessId)
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{
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throw new InvalidOperationException($"Invalid Process Id {Pid}.");
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}
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result = ParseProcessInfo(creationInfo);
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if (result != KernelResult.Success)
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{
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CleanUpForError();
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}
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return result;
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}
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private bool ValidateCodeAddressAndSize(ulong address, ulong size)
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{
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ulong codeRegionStart;
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ulong codeRegionSize;
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switch (MemoryManager.AddrSpaceWidth)
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{
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case 32:
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codeRegionStart = 0x200000;
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codeRegionSize = 0x3fe00000;
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break;
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case 36:
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codeRegionStart = 0x8000000;
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codeRegionSize = 0x78000000;
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break;
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case 39:
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codeRegionStart = 0x8000000;
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codeRegionSize = 0x7ff8000000;
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break;
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default: throw new InvalidOperationException("Invalid address space width on memory manager.");
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}
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ulong endAddr = address + size;
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ulong codeRegionEnd = codeRegionStart + codeRegionSize;
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if (endAddr <= address ||
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endAddr - 1 > codeRegionEnd - 1)
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{
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return false;
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}
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if (MemoryManager.InsideHeapRegion (address, size) ||
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MemoryManager.InsideAliasRegion(address, size))
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{
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return false;
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}
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return true;
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}
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private KernelResult ParseProcessInfo(ProcessCreationInfo creationInfo)
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{
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//Ensure that the current kernel version is equal or above to the minimum required.
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uint requiredKernelVersionMajor = (uint)Capabilities.KernelReleaseVersion >> 19;
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uint requiredKernelVersionMinor = ((uint)Capabilities.KernelReleaseVersion >> 15) & 0xf;
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if (System.EnableVersionChecks)
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{
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if (requiredKernelVersionMajor > KernelVersionMajor)
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{
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return KernelResult.InvalidCombination;
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}
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if (requiredKernelVersionMajor != KernelVersionMajor && requiredKernelVersionMajor < 3)
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{
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return KernelResult.InvalidCombination;
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}
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if (requiredKernelVersionMinor > KernelVersionMinor)
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{
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return KernelResult.InvalidCombination;
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}
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}
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KernelResult result = AllocateThreadLocalStorage(out ulong userExceptionContextAddress);
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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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UserExceptionContextAddress = userExceptionContextAddress;
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MemoryHelper.FillWithZeros(CpuMemory, (long)userExceptionContextAddress, KTlsPageInfo.TlsEntrySize);
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Name = creationInfo.Name;
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_state = ProcessState.Created;
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_creationTimestamp = PerformanceCounter.ElapsedMilliseconds;
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MmuFlags = creationInfo.MmuFlags;
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_category = creationInfo.Category;
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TitleId = creationInfo.TitleId;
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_entrypoint = creationInfo.CodeAddress;
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_imageSize = (ulong)creationInfo.CodePagesCount * KMemoryManager.PageSize;
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_useSystemMemBlocks = ((MmuFlags >> 6) & 1) != 0;
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switch ((AddressSpaceType)((MmuFlags >> 1) & 7))
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{
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case AddressSpaceType.Addr32Bits:
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case AddressSpaceType.Addr36Bits:
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case AddressSpaceType.Addr39Bits:
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_memoryUsageCapacity = MemoryManager.HeapRegionEnd -
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MemoryManager.HeapRegionStart;
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break;
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case AddressSpaceType.Addr32BitsNoMap:
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_memoryUsageCapacity = MemoryManager.HeapRegionEnd -
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MemoryManager.HeapRegionStart +
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MemoryManager.AliasRegionEnd -
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MemoryManager.AliasRegionStart;
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break;
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default: throw new InvalidOperationException($"Invalid MMU flags value 0x{MmuFlags:x2}.");
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}
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GenerateRandomEntropy();
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return KernelResult.Success;
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}
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public KernelResult AllocateThreadLocalStorage(out ulong address)
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{
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System.CriticalSection.Enter();
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KernelResult result;
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if (_freeTlsPages.Count > 0)
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{
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//If we have free TLS pages available, just use the first one.
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KTlsPageInfo pageInfo = _freeTlsPages.Values.First();
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if (!pageInfo.TryGetFreePage(out address))
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{
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throw new InvalidOperationException("Unexpected failure getting free TLS page!");
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}
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if (pageInfo.IsFull())
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{
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_freeTlsPages.Remove(pageInfo.PageAddr);
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_fullTlsPages.Add(pageInfo.PageAddr, pageInfo);
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}
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result = KernelResult.Success;
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}
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else
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{
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//Otherwise, we need to create a new one.
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result = AllocateTlsPage(out KTlsPageInfo pageInfo);
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if (result == KernelResult.Success)
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{
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if (!pageInfo.TryGetFreePage(out address))
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{
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throw new InvalidOperationException("Unexpected failure getting free TLS page!");
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}
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_freeTlsPages.Add(pageInfo.PageAddr, pageInfo);
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}
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else
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{
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address = 0;
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}
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}
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System.CriticalSection.Leave();
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return result;
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}
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private KernelResult AllocateTlsPage(out KTlsPageInfo pageInfo)
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{
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pageInfo = default(KTlsPageInfo);
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if (!System.UserSlabHeapPages.TryGetItem(out ulong tlsPagePa))
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{
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return KernelResult.OutOfMemory;
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}
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ulong regionStart = MemoryManager.TlsIoRegionStart;
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ulong regionSize = MemoryManager.TlsIoRegionEnd - regionStart;
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ulong regionPagesCount = regionSize / KMemoryManager.PageSize;
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KernelResult result = MemoryManager.AllocateOrMapPa(
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1,
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KMemoryManager.PageSize,
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tlsPagePa,
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true,
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regionStart,
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regionPagesCount,
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MemoryState.ThreadLocal,
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MemoryPermission.ReadAndWrite,
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out ulong tlsPageVa);
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if (result != KernelResult.Success)
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{
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System.UserSlabHeapPages.Free(tlsPagePa);
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}
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else
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{
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pageInfo = new KTlsPageInfo(tlsPageVa);
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MemoryHelper.FillWithZeros(CpuMemory, (long)tlsPageVa, KMemoryManager.PageSize);
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}
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return result;
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}
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public KernelResult FreeThreadLocalStorage(ulong tlsSlotAddr)
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{
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ulong tlsPageAddr = BitUtils.AlignDown(tlsSlotAddr, KMemoryManager.PageSize);
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System.CriticalSection.Enter();
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KernelResult result = KernelResult.Success;
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KTlsPageInfo pageInfo = null;
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if (_fullTlsPages.TryGetValue(tlsPageAddr, out pageInfo))
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{
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//TLS page was full, free slot and move to free pages tree.
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_fullTlsPages.Remove(tlsPageAddr);
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_freeTlsPages.Add(tlsPageAddr, pageInfo);
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}
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else if (!_freeTlsPages.TryGetValue(tlsPageAddr, out pageInfo))
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{
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result = KernelResult.InvalidAddress;
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}
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if (pageInfo != null)
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{
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pageInfo.FreeTlsSlot(tlsSlotAddr);
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if (pageInfo.IsEmpty())
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{
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//TLS page is now empty, we should ensure it is removed
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//from all trees, and free the memory it was using.
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_freeTlsPages.Remove(tlsPageAddr);
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System.CriticalSection.Leave();
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FreeTlsPage(pageInfo);
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return KernelResult.Success;
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}
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}
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System.CriticalSection.Leave();
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return result;
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}
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private KernelResult FreeTlsPage(KTlsPageInfo pageInfo)
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{
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KernelResult result = MemoryManager.ConvertVaToPa(pageInfo.PageAddr, out ulong tlsPagePa);
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if (result != KernelResult.Success)
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{
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throw new InvalidOperationException("Unexpected failure translating virtual address to physical.");
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}
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result = MemoryManager.UnmapForKernel(pageInfo.PageAddr, 1, MemoryState.ThreadLocal);
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if (result == KernelResult.Success)
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{
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System.UserSlabHeapPages.Free(tlsPagePa);
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}
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return result;
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}
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private void GenerateRandomEntropy()
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{
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//TODO.
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}
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public KernelResult Start(int mainThreadPriority, ulong stackSize)
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{
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lock (_processLock)
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{
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if (_state > ProcessState.CreatedAttached)
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{
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return KernelResult.InvalidState;
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}
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if (ResourceLimit != null && !ResourceLimit.Reserve(LimitableResource.Thread, 1))
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{
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return KernelResult.ResLimitExceeded;
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}
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KResourceLimit threadResourceLimit = ResourceLimit;
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KResourceLimit memoryResourceLimit = null;
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if (_mainThreadStackSize != 0)
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{
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throw new InvalidOperationException("Trying to start a process with a invalid state!");
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}
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ulong stackSizeRounded = BitUtils.AlignUp(stackSize, KMemoryManager.PageSize);
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ulong neededSize = stackSizeRounded + _imageSize;
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|
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//Check if the needed size for the code and the stack will fit on the
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//memory usage capacity of this Process. Also check for possible overflow
|
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//on the above addition.
|
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if (neededSize > _memoryUsageCapacity ||
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neededSize < stackSizeRounded)
|
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{
|
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threadResourceLimit?.Release(LimitableResource.Thread, 1);
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|
|
return KernelResult.OutOfMemory;
|
|
}
|
|
|
|
if (stackSizeRounded != 0 && ResourceLimit != null)
|
|
{
|
|
memoryResourceLimit = ResourceLimit;
|
|
|
|
if (!memoryResourceLimit.Reserve(LimitableResource.Memory, stackSizeRounded))
|
|
{
|
|
threadResourceLimit?.Release(LimitableResource.Thread, 1);
|
|
|
|
return KernelResult.ResLimitExceeded;
|
|
}
|
|
}
|
|
|
|
KernelResult result;
|
|
|
|
KThread mainThread = null;
|
|
|
|
ulong stackTop = 0;
|
|
|
|
void CleanUpForError()
|
|
{
|
|
mainThread?.Terminate();
|
|
HandleTable.Destroy();
|
|
|
|
if (_mainThreadStackSize != 0)
|
|
{
|
|
ulong stackBottom = stackTop - _mainThreadStackSize;
|
|
|
|
ulong stackPagesCount = _mainThreadStackSize / KMemoryManager.PageSize;
|
|
|
|
MemoryManager.UnmapForKernel(stackBottom, stackPagesCount, MemoryState.Stack);
|
|
}
|
|
|
|
memoryResourceLimit?.Release(LimitableResource.Memory, stackSizeRounded);
|
|
threadResourceLimit?.Release(LimitableResource.Thread, 1);
|
|
}
|
|
|
|
if (stackSizeRounded != 0)
|
|
{
|
|
ulong stackPagesCount = stackSizeRounded / KMemoryManager.PageSize;
|
|
|
|
ulong regionStart = MemoryManager.StackRegionStart;
|
|
ulong regionSize = MemoryManager.StackRegionEnd - regionStart;
|
|
|
|
ulong regionPagesCount = regionSize / KMemoryManager.PageSize;
|
|
|
|
result = MemoryManager.AllocateOrMapPa(
|
|
stackPagesCount,
|
|
KMemoryManager.PageSize,
|
|
0,
|
|
false,
|
|
regionStart,
|
|
regionPagesCount,
|
|
MemoryState.Stack,
|
|
MemoryPermission.ReadAndWrite,
|
|
out ulong stackBottom);
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
_mainThreadStackSize += stackSizeRounded;
|
|
|
|
stackTop = stackBottom + stackSizeRounded;
|
|
}
|
|
|
|
ulong heapCapacity = _memoryUsageCapacity - _mainThreadStackSize - _imageSize;
|
|
|
|
result = MemoryManager.SetHeapCapacity(heapCapacity);
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
HandleTable = new KHandleTable(System);
|
|
|
|
result = HandleTable.Initialize(Capabilities.HandleTableSize);
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
mainThread = new KThread(System);
|
|
|
|
result = mainThread.Initialize(
|
|
_entrypoint,
|
|
0,
|
|
stackTop,
|
|
mainThreadPriority,
|
|
DefaultCpuCore,
|
|
this);
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
result = HandleTable.GenerateHandle(mainThread, out int mainThreadHandle);
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
mainThread.SetEntryArguments(0, mainThreadHandle);
|
|
|
|
ProcessState oldState = _state;
|
|
ProcessState newState = _state != ProcessState.Created
|
|
? ProcessState.Attached
|
|
: ProcessState.Started;
|
|
|
|
SetState(newState);
|
|
|
|
//TODO: We can't call KThread.Start from a non-guest thread.
|
|
//We will need to make some changes to allow the creation of
|
|
//dummy threads that will be used to initialize the current
|
|
//thread on KCoreContext so that GetCurrentThread doesn't fail.
|
|
/* Result = MainThread.Start();
|
|
|
|
if (Result != KernelResult.Success)
|
|
{
|
|
SetState(OldState);
|
|
|
|
CleanUpForError();
|
|
} */
|
|
|
|
mainThread.Reschedule(ThreadSchedState.Running);
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
private void SetState(ProcessState newState)
|
|
{
|
|
if (_state != newState)
|
|
{
|
|
_state = newState;
|
|
_signaled = true;
|
|
|
|
Signal();
|
|
}
|
|
}
|
|
|
|
public KernelResult InitializeThread(
|
|
KThread thread,
|
|
ulong entrypoint,
|
|
ulong argsPtr,
|
|
ulong stackTop,
|
|
int priority,
|
|
int cpuCore)
|
|
{
|
|
lock (_processLock)
|
|
{
|
|
return thread.Initialize(entrypoint, argsPtr, stackTop, priority, cpuCore, this);
|
|
}
|
|
}
|
|
|
|
public void SubscribeThreadEventHandlers(CpuThread context)
|
|
{
|
|
context.ThreadState.Interrupt += InterruptHandler;
|
|
context.ThreadState.SvcCall += _svcHandler.SvcCall;
|
|
}
|
|
|
|
private void InterruptHandler(object sender, EventArgs e)
|
|
{
|
|
System.Scheduler.ContextSwitch();
|
|
}
|
|
|
|
public void IncrementThreadCount()
|
|
{
|
|
Interlocked.Increment(ref _threadCount);
|
|
|
|
System.ThreadCounter.AddCount();
|
|
}
|
|
|
|
public void DecrementThreadCountAndTerminateIfZero()
|
|
{
|
|
System.ThreadCounter.Signal();
|
|
|
|
if (Interlocked.Decrement(ref _threadCount) == 0)
|
|
{
|
|
Terminate();
|
|
}
|
|
}
|
|
|
|
public ulong GetMemoryCapacity()
|
|
{
|
|
ulong totalCapacity = (ulong)ResourceLimit.GetRemainingValue(LimitableResource.Memory);
|
|
|
|
totalCapacity += MemoryManager.GetTotalHeapSize();
|
|
|
|
totalCapacity += GetPersonalMmHeapSize();
|
|
|
|
totalCapacity += _imageSize + _mainThreadStackSize;
|
|
|
|
if (totalCapacity <= _memoryUsageCapacity)
|
|
{
|
|
return totalCapacity;
|
|
}
|
|
|
|
return _memoryUsageCapacity;
|
|
}
|
|
|
|
public ulong GetMemoryUsage()
|
|
{
|
|
return _imageSize + _mainThreadStackSize + MemoryManager.GetTotalHeapSize() + GetPersonalMmHeapSize();
|
|
}
|
|
|
|
public ulong GetMemoryCapacityWithoutPersonalMmHeap()
|
|
{
|
|
return GetMemoryCapacity() - GetPersonalMmHeapSize();
|
|
}
|
|
|
|
public ulong GetMemoryUsageWithoutPersonalMmHeap()
|
|
{
|
|
return GetMemoryUsage() - GetPersonalMmHeapSize();
|
|
}
|
|
|
|
private ulong GetPersonalMmHeapSize()
|
|
{
|
|
return GetPersonalMmHeapSize(PersonalMmHeapPagesCount, _memRegion);
|
|
}
|
|
|
|
private static ulong GetPersonalMmHeapSize(ulong personalMmHeapPagesCount, MemoryRegion memRegion)
|
|
{
|
|
if (memRegion == MemoryRegion.Applet)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return personalMmHeapPagesCount * KMemoryManager.PageSize;
|
|
}
|
|
|
|
public void AddThread(KThread thread)
|
|
{
|
|
lock (_threadingLock)
|
|
{
|
|
thread.ProcessListNode = _threads.AddLast(thread);
|
|
}
|
|
}
|
|
|
|
public void RemoveThread(KThread thread)
|
|
{
|
|
lock (_threadingLock)
|
|
{
|
|
_threads.Remove(thread.ProcessListNode);
|
|
}
|
|
}
|
|
|
|
public bool IsCpuCoreAllowed(int core)
|
|
{
|
|
return (Capabilities.AllowedCpuCoresMask & (1L << core)) != 0;
|
|
}
|
|
|
|
public bool IsPriorityAllowed(int priority)
|
|
{
|
|
return (Capabilities.AllowedThreadPriosMask & (1L << priority)) != 0;
|
|
}
|
|
|
|
public override bool IsSignaled()
|
|
{
|
|
return _signaled;
|
|
}
|
|
|
|
public KernelResult Terminate()
|
|
{
|
|
KernelResult result;
|
|
|
|
bool shallTerminate = false;
|
|
|
|
System.CriticalSection.Enter();
|
|
|
|
lock (_processLock)
|
|
{
|
|
if (_state >= ProcessState.Started)
|
|
{
|
|
if (_state == ProcessState.Started ||
|
|
_state == ProcessState.Crashed ||
|
|
_state == ProcessState.Attached ||
|
|
_state == ProcessState.DebugSuspended)
|
|
{
|
|
SetState(ProcessState.Exiting);
|
|
|
|
shallTerminate = true;
|
|
}
|
|
|
|
result = KernelResult.Success;
|
|
}
|
|
else
|
|
{
|
|
result = KernelResult.InvalidState;
|
|
}
|
|
}
|
|
|
|
System.CriticalSection.Leave();
|
|
|
|
if (shallTerminate)
|
|
{
|
|
//UnpauseAndTerminateAllThreadsExcept(System.Scheduler.GetCurrentThread());
|
|
|
|
HandleTable.Destroy();
|
|
|
|
SignalExitForDebugEvent();
|
|
SignalExit();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
private void UnpauseAndTerminateAllThreadsExcept(KThread thread)
|
|
{
|
|
//TODO.
|
|
}
|
|
|
|
private void SignalExitForDebugEvent()
|
|
{
|
|
//TODO: Debug events.
|
|
}
|
|
|
|
private void SignalExit()
|
|
{
|
|
if (ResourceLimit != null)
|
|
{
|
|
ResourceLimit.Release(LimitableResource.Memory, GetMemoryUsage());
|
|
}
|
|
|
|
System.CriticalSection.Enter();
|
|
|
|
SetState(ProcessState.Exited);
|
|
|
|
System.CriticalSection.Leave();
|
|
}
|
|
|
|
public KernelResult ClearIfNotExited()
|
|
{
|
|
KernelResult result;
|
|
|
|
System.CriticalSection.Enter();
|
|
|
|
lock (_processLock)
|
|
{
|
|
if (_state != ProcessState.Exited && _signaled)
|
|
{
|
|
_signaled = false;
|
|
|
|
result = KernelResult.Success;
|
|
}
|
|
else
|
|
{
|
|
result = KernelResult.InvalidState;
|
|
}
|
|
}
|
|
|
|
System.CriticalSection.Leave();
|
|
|
|
return result;
|
|
}
|
|
|
|
public void StopAllThreads()
|
|
{
|
|
lock (_threadingLock)
|
|
{
|
|
foreach (KThread thread in _threads)
|
|
{
|
|
thread.Context.StopExecution();
|
|
|
|
System.Scheduler.CoreManager.Set(thread.Context.Work);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void InvalidAccessHandler(object sender, InvalidAccessEventArgs e)
|
|
{
|
|
PrintCurrentThreadStackTrace();
|
|
}
|
|
|
|
public void PrintCurrentThreadStackTrace()
|
|
{
|
|
System.Scheduler.GetCurrentThread().PrintGuestStackTrace();
|
|
}
|
|
|
|
private void CpuTraceHandler(object sender, CpuTraceEventArgs e)
|
|
{
|
|
Logger.PrintInfo(LogClass.Cpu, $"Executing at 0x{e.Position:X16}.");
|
|
}
|
|
}
|
|
} |