mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-30 12:46:01 +00:00
1195 lines
No EOL
37 KiB
C#
1195 lines
No EOL
37 KiB
C#
using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.Exceptions;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Memory;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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using Ryujinx.Memory;
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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.Process
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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 KPageTableBase 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; 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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public ProcessState State { get; private set; }
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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 ulong[] RandomEntropy { get; private set; }
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public KThread[] PinnedThreads { get; private set; }
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private bool _signaled;
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public string Name { get; private set; }
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private int _threadCount;
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public ProcessCreationFlags Flags { 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 bool AllowCodeMemoryForJit { get; private set; }
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public ulong TitleId { get; private set; }
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public bool IsApplication { get; private set; }
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public ulong Pid { get; private set; }
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private long _creationTimestamp;
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private ulong _entrypoint;
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private ThreadStart _customThreadStart;
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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 _version;
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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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private long _totalTimeRunning;
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public long TotalTimeRunning => _totalTimeRunning;
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private IProcessContextFactory _contextFactory;
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public IProcessContext Context { get; private set; }
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public IVirtualMemoryManager CpuMemory => Context.AddressSpace;
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public HleProcessDebugger Debugger { get; private set; }
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public KProcess(KernelContext context, bool allowCodeMemoryForJit = false) : base(context)
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{
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_processLock = new object();
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_threadingLock = new object();
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AddressArbiter = new KAddressArbiter(context);
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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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AllowCodeMemoryForJit = allowCodeMemoryForJit;
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RandomEntropy = new ulong[KScheduler.CpuCoresCount];
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PinnedThreads = new KThread[KScheduler.CpuCoresCount];
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// TODO: Remove once we no longer need to initialize it externally.
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HandleTable = new KHandleTable(context);
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_threads = new LinkedList<KThread>();
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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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ReadOnlySpan<int> capabilities,
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KPageList pageList,
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KResourceLimit resourceLimit,
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MemoryRegion memRegion,
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IProcessContextFactory contextFactory,
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ThreadStart customThreadStart = null)
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{
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ResourceLimit = resourceLimit;
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_memRegion = memRegion;
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_contextFactory = contextFactory ?? new ProcessContextFactory();
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_customThreadStart = customThreadStart;
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AddressSpaceType addrSpaceType = (AddressSpaceType)((int)(creationInfo.Flags & ProcessCreationFlags.AddressSpaceMask) >> (int)ProcessCreationFlags.AddressSpaceShift);
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Pid = KernelContext.NewKipId();
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if (Pid == 0 || Pid >= KernelConstants.InitialProcessId)
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{
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throw new InvalidOperationException($"Invalid KIP Id {Pid}.");
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}
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InitializeMemoryManager(creationInfo.Flags);
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bool aslrEnabled = creationInfo.Flags.HasFlag(ProcessCreationFlags.EnableAslr);
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ulong codeAddress = creationInfo.CodeAddress;
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ulong codeSize = (ulong)creationInfo.CodePagesCount * KPageTableBase.PageSize;
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KMemoryBlockSlabManager slabManager = creationInfo.Flags.HasFlag(ProcessCreationFlags.IsApplication)
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? KernelContext.LargeMemoryBlockSlabManager
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: KernelContext.SmallMemoryBlockSlabManager;
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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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slabManager);
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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 (!MemoryManager.CanContain(codeAddress, codeSize, MemoryState.CodeStatic))
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{
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return KernelResult.InvalidMemRange;
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}
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result = MemoryManager.MapPages(codeAddress, pageList, MemoryState.CodeStatic, KMemoryPermission.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(capabilities, 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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return ParseProcessInfo(creationInfo);
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}
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public KernelResult Initialize(
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ProcessCreationInfo creationInfo,
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ReadOnlySpan<int> capabilities,
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KResourceLimit resourceLimit,
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MemoryRegion memRegion,
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IProcessContextFactory contextFactory,
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ThreadStart customThreadStart = null)
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{
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ResourceLimit = resourceLimit;
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_memRegion = memRegion;
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_contextFactory = contextFactory ?? new ProcessContextFactory();
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_customThreadStart = customThreadStart;
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IsApplication = creationInfo.Flags.HasFlag(ProcessCreationFlags.IsApplication);
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ulong personalMmHeapSize = GetPersonalMmHeapSize((ulong)creationInfo.SystemResourcePagesCount, memRegion);
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ulong codePagesCount = (ulong)creationInfo.CodePagesCount;
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ulong neededSizeForProcess = personalMmHeapSize + codePagesCount * KPageTableBase.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.SystemResourcePagesCount;
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KMemoryBlockSlabManager slabManager;
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if (PersonalMmHeapPagesCount != 0)
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{
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slabManager = new KMemoryBlockSlabManager(PersonalMmHeapPagesCount * KPageTableBase.PageSize);
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}
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else
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{
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slabManager = creationInfo.Flags.HasFlag(ProcessCreationFlags.IsApplication)
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? KernelContext.LargeMemoryBlockSlabManager
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: KernelContext.SmallMemoryBlockSlabManager;
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}
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AddressSpaceType addrSpaceType = (AddressSpaceType)((int)(creationInfo.Flags & ProcessCreationFlags.AddressSpaceMask) >> (int)ProcessCreationFlags.AddressSpaceShift);
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Pid = KernelContext.NewProcessId();
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if (Pid == ulong.MaxValue || Pid < KernelConstants.InitialProcessId)
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{
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throw new InvalidOperationException($"Invalid Process Id {Pid}.");
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}
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InitializeMemoryManager(creationInfo.Flags);
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bool aslrEnabled = creationInfo.Flags.HasFlag(ProcessCreationFlags.EnableAslr);
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ulong codeAddress = creationInfo.CodeAddress;
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ulong codeSize = codePagesCount * KPageTableBase.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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slabManager);
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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 (!MemoryManager.CanContain(codeAddress, codeSize, MemoryState.CodeStatic))
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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.MapPages(
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codeAddress,
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codePagesCount,
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MemoryState.CodeStatic,
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KMemoryPermission.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(capabilities, 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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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 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 (KernelContext.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, 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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Flags = creationInfo.Flags;
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_version = creationInfo.Version;
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TitleId = creationInfo.TitleId;
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_entrypoint = creationInfo.CodeAddress;
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_imageSize = (ulong)creationInfo.CodePagesCount * KPageTableBase.PageSize;
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switch (Flags & ProcessCreationFlags.AddressSpaceMask)
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{
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case ProcessCreationFlags.AddressSpace32Bit:
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case ProcessCreationFlags.AddressSpace64BitDeprecated:
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case ProcessCreationFlags.AddressSpace64Bit:
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_memoryUsageCapacity = MemoryManager.HeapRegionEnd -
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MemoryManager.HeapRegionStart;
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break;
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case ProcessCreationFlags.AddressSpace32BitWithoutAlias:
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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{Flags: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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KernelContext.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.PageVirtualAddress);
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_fullTlsPages.Add(pageInfo.PageVirtualAddress, 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.PageVirtualAddress, 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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KernelContext.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;
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if (!KernelContext.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 / KPageTableBase.PageSize;
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KernelResult result = MemoryManager.MapPages(
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1,
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KPageTableBase.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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KMemoryPermission.ReadAndWrite,
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out ulong tlsPageVa);
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if (result != KernelResult.Success)
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{
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KernelContext.UserSlabHeapPages.Free(tlsPagePa);
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}
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else
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{
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pageInfo = new KTlsPageInfo(tlsPageVa, tlsPagePa);
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MemoryHelper.FillWithZeros(CpuMemory, tlsPageVa, KPageTableBase.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, KPageTableBase.PageSize);
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KernelContext.CriticalSection.Enter();
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KernelResult result = KernelResult.Success;
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KTlsPageInfo pageInfo;
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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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KernelContext.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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KernelContext.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.UnmapForKernel(pageInfo.PageVirtualAddress, 1, MemoryState.ThreadLocal);
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if (result == KernelResult.Success)
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{
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KernelContext.UserSlabHeapPages.Free(pageInfo.PagePhysicalAddress);
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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, KPageTableBase.PageSize);
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ulong neededSize = stackSizeRounded + _imageSize;
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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 || neededSize < stackSizeRounded)
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{
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threadResourceLimit?.Release(LimitableResource.Thread, 1);
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return KernelResult.OutOfMemory;
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}
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if (stackSizeRounded != 0 && ResourceLimit != null)
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{
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memoryResourceLimit = ResourceLimit;
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if (!memoryResourceLimit.Reserve(LimitableResource.Memory, stackSizeRounded))
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{
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threadResourceLimit?.Release(LimitableResource.Thread, 1);
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return KernelResult.ResLimitExceeded;
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}
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}
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KernelResult result;
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|
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KThread mainThread = null;
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ulong stackTop = 0;
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|
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void CleanUpForError()
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{
|
|
HandleTable.Destroy();
|
|
|
|
mainThread?.DecrementReferenceCount();
|
|
|
|
if (_mainThreadStackSize != 0)
|
|
{
|
|
ulong stackBottom = stackTop - _mainThreadStackSize;
|
|
|
|
ulong stackPagesCount = _mainThreadStackSize / KPageTableBase.PageSize;
|
|
|
|
MemoryManager.UnmapForKernel(stackBottom, stackPagesCount, MemoryState.Stack);
|
|
|
|
_mainThreadStackSize = 0;
|
|
}
|
|
|
|
memoryResourceLimit?.Release(LimitableResource.Memory, stackSizeRounded);
|
|
threadResourceLimit?.Release(LimitableResource.Thread, 1);
|
|
}
|
|
|
|
if (stackSizeRounded != 0)
|
|
{
|
|
ulong stackPagesCount = stackSizeRounded / KPageTableBase.PageSize;
|
|
|
|
ulong regionStart = MemoryManager.StackRegionStart;
|
|
ulong regionSize = MemoryManager.StackRegionEnd - regionStart;
|
|
|
|
ulong regionPagesCount = regionSize / KPageTableBase.PageSize;
|
|
|
|
result = MemoryManager.MapPages(
|
|
stackPagesCount,
|
|
KPageTableBase.PageSize,
|
|
0,
|
|
false,
|
|
regionStart,
|
|
regionPagesCount,
|
|
MemoryState.Stack,
|
|
KMemoryPermission.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(KernelContext);
|
|
|
|
result = HandleTable.Initialize(Capabilities.HandleTableSize);
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
mainThread = new KThread(KernelContext);
|
|
|
|
result = mainThread.Initialize(
|
|
_entrypoint,
|
|
0,
|
|
stackTop,
|
|
mainThreadPriority,
|
|
DefaultCpuCore,
|
|
this,
|
|
ThreadType.User,
|
|
_customThreadStart);
|
|
|
|
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);
|
|
|
|
result = mainThread.Start();
|
|
|
|
if (result != KernelResult.Success)
|
|
{
|
|
SetState(oldState);
|
|
|
|
CleanUpForError();
|
|
}
|
|
|
|
if (result == KernelResult.Success)
|
|
{
|
|
mainThread.IncrementReferenceCount();
|
|
}
|
|
|
|
mainThread.DecrementReferenceCount();
|
|
|
|
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,
|
|
ThreadStart customThreadStart = null)
|
|
{
|
|
lock (_processLock)
|
|
{
|
|
return thread.Initialize(entrypoint, argsPtr, stackTop, priority, cpuCore, this, ThreadType.User, customThreadStart);
|
|
}
|
|
}
|
|
|
|
public IExecutionContext CreateExecutionContext()
|
|
{
|
|
return Context?.CreateExecutionContext(new ExceptionCallbacks(
|
|
InterruptHandler,
|
|
null,
|
|
KernelContext.SyscallHandler.SvcCall,
|
|
UndefinedInstructionHandler));
|
|
}
|
|
|
|
private void InterruptHandler(IExecutionContext context)
|
|
{
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
if (currentThread.Context.Running &&
|
|
currentThread.Owner != null &&
|
|
currentThread.GetUserDisableCount() != 0 &&
|
|
currentThread.Owner.PinnedThreads[currentThread.CurrentCore] == null)
|
|
{
|
|
KernelContext.CriticalSection.Enter();
|
|
|
|
currentThread.Owner.PinThread(currentThread);
|
|
|
|
currentThread.SetUserInterruptFlag();
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
}
|
|
|
|
if (currentThread.IsSchedulable)
|
|
{
|
|
KernelContext.Schedulers[currentThread.CurrentCore].Schedule();
|
|
}
|
|
|
|
currentThread.HandlePostSyscall();
|
|
}
|
|
|
|
public void IncrementThreadCount()
|
|
{
|
|
Interlocked.Increment(ref _threadCount);
|
|
}
|
|
|
|
public void DecrementThreadCountAndTerminateIfZero()
|
|
{
|
|
if (Interlocked.Decrement(ref _threadCount) == 0)
|
|
{
|
|
Terminate();
|
|
}
|
|
}
|
|
|
|
public void DecrementToZeroWhileTerminatingCurrent()
|
|
{
|
|
while (Interlocked.Decrement(ref _threadCount) != 0)
|
|
{
|
|
Destroy();
|
|
TerminateCurrentProcess();
|
|
}
|
|
|
|
// Nintendo panic here because if it reaches this point, the current thread should be already dead.
|
|
// As we handle the death of the thread in the post SVC handler and inside the CPU emulator, we don't panic here.
|
|
}
|
|
|
|
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 * KPageTableBase.PageSize;
|
|
}
|
|
|
|
public void AddCpuTime(long ticks)
|
|
{
|
|
Interlocked.Add(ref _totalTimeRunning, ticks);
|
|
}
|
|
|
|
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 & (1UL << core)) != 0;
|
|
}
|
|
|
|
public bool IsPriorityAllowed(int priority)
|
|
{
|
|
return (Capabilities.AllowedThreadPriosMask & (1UL << priority)) != 0;
|
|
}
|
|
|
|
public override bool IsSignaled()
|
|
{
|
|
return _signaled;
|
|
}
|
|
|
|
public KernelResult Terminate()
|
|
{
|
|
KernelResult result;
|
|
|
|
bool shallTerminate = false;
|
|
|
|
KernelContext.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;
|
|
}
|
|
}
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
if (shallTerminate)
|
|
{
|
|
UnpauseAndTerminateAllThreadsExcept(KernelStatic.GetCurrentThread());
|
|
|
|
HandleTable.Destroy();
|
|
|
|
SignalExitToDebugTerminated();
|
|
SignalExit();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
public void TerminateCurrentProcess()
|
|
{
|
|
bool shallTerminate = false;
|
|
|
|
KernelContext.CriticalSection.Enter();
|
|
|
|
lock (_processLock)
|
|
{
|
|
if (State >= ProcessState.Started)
|
|
{
|
|
if (State == ProcessState.Started ||
|
|
State == ProcessState.Attached ||
|
|
State == ProcessState.DebugSuspended)
|
|
{
|
|
SetState(ProcessState.Exiting);
|
|
|
|
shallTerminate = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
if (shallTerminate)
|
|
{
|
|
UnpauseAndTerminateAllThreadsExcept(KernelStatic.GetCurrentThread());
|
|
|
|
HandleTable.Destroy();
|
|
|
|
// NOTE: this is supposed to be called in receiving of the mailbox.
|
|
SignalExitToDebugExited();
|
|
SignalExit();
|
|
}
|
|
|
|
KernelStatic.GetCurrentThread().Exit();
|
|
}
|
|
|
|
private void UnpauseAndTerminateAllThreadsExcept(KThread currentThread)
|
|
{
|
|
lock (_threadingLock)
|
|
{
|
|
KernelContext.CriticalSection.Enter();
|
|
|
|
if (currentThread != null && PinnedThreads[currentThread.CurrentCore] == currentThread)
|
|
{
|
|
UnpinThread(currentThread);
|
|
}
|
|
|
|
foreach (KThread thread in _threads)
|
|
{
|
|
if (thread != currentThread && (thread.SchedFlags & ThreadSchedState.LowMask) != ThreadSchedState.TerminationPending)
|
|
{
|
|
thread.PrepareForTermination();
|
|
}
|
|
}
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
KThread blockedThread = null;
|
|
|
|
lock (_threadingLock)
|
|
{
|
|
foreach (KThread thread in _threads)
|
|
{
|
|
if (thread != currentThread && (thread.SchedFlags & ThreadSchedState.LowMask) != ThreadSchedState.TerminationPending)
|
|
{
|
|
thread.IncrementReferenceCount();
|
|
|
|
blockedThread = thread;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (blockedThread == null)
|
|
{
|
|
break;
|
|
}
|
|
|
|
blockedThread.Terminate();
|
|
blockedThread.DecrementReferenceCount();
|
|
}
|
|
}
|
|
|
|
private void SignalExitToDebugTerminated()
|
|
{
|
|
// TODO: Debug events.
|
|
}
|
|
|
|
private void SignalExitToDebugExited()
|
|
{
|
|
// TODO: Debug events.
|
|
}
|
|
|
|
private void SignalExit()
|
|
{
|
|
if (ResourceLimit != null)
|
|
{
|
|
ResourceLimit.Release(LimitableResource.Memory, GetMemoryUsage());
|
|
}
|
|
|
|
KernelContext.CriticalSection.Enter();
|
|
|
|
SetState(ProcessState.Exited);
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
}
|
|
|
|
public KernelResult ClearIfNotExited()
|
|
{
|
|
KernelResult result;
|
|
|
|
KernelContext.CriticalSection.Enter();
|
|
|
|
lock (_processLock)
|
|
{
|
|
if (State != ProcessState.Exited && _signaled)
|
|
{
|
|
_signaled = false;
|
|
|
|
result = KernelResult.Success;
|
|
}
|
|
else
|
|
{
|
|
result = KernelResult.InvalidState;
|
|
}
|
|
}
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
return result;
|
|
}
|
|
|
|
private void InitializeMemoryManager(ProcessCreationFlags flags)
|
|
{
|
|
int addrSpaceBits = (flags & ProcessCreationFlags.AddressSpaceMask) switch
|
|
{
|
|
ProcessCreationFlags.AddressSpace32Bit => 32,
|
|
ProcessCreationFlags.AddressSpace64BitDeprecated => 36,
|
|
ProcessCreationFlags.AddressSpace32BitWithoutAlias => 32,
|
|
ProcessCreationFlags.AddressSpace64Bit => 39,
|
|
_ => 39
|
|
};
|
|
|
|
bool for64Bit = flags.HasFlag(ProcessCreationFlags.Is64Bit);
|
|
|
|
Context = _contextFactory.Create(KernelContext, Pid, 1UL << addrSpaceBits, InvalidAccessHandler, for64Bit);
|
|
|
|
MemoryManager = new KPageTable(KernelContext, CpuMemory);
|
|
}
|
|
|
|
private bool InvalidAccessHandler(ulong va)
|
|
{
|
|
KernelStatic.GetCurrentThread()?.PrintGuestStackTrace();
|
|
KernelStatic.GetCurrentThread()?.PrintGuestRegisterPrintout();
|
|
|
|
Logger.Error?.Print(LogClass.Cpu, $"Invalid memory access at virtual address 0x{va:X16}.");
|
|
|
|
return false;
|
|
}
|
|
|
|
private void UndefinedInstructionHandler(IExecutionContext context, ulong address, int opCode)
|
|
{
|
|
KernelStatic.GetCurrentThread().PrintGuestStackTrace();
|
|
KernelStatic.GetCurrentThread()?.PrintGuestRegisterPrintout();
|
|
|
|
throw new UndefinedInstructionException(address, opCode);
|
|
}
|
|
|
|
protected override void Destroy() => Context.Dispose();
|
|
|
|
public KernelResult SetActivity(bool pause)
|
|
{
|
|
KernelContext.CriticalSection.Enter();
|
|
|
|
if (State != ProcessState.Exiting && State != ProcessState.Exited)
|
|
{
|
|
if (pause)
|
|
{
|
|
if (IsPaused)
|
|
{
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
return KernelResult.InvalidState;
|
|
}
|
|
|
|
lock (_threadingLock)
|
|
{
|
|
foreach (KThread thread in _threads)
|
|
{
|
|
thread.Suspend(ThreadSchedState.ProcessPauseFlag);
|
|
}
|
|
}
|
|
|
|
IsPaused = true;
|
|
}
|
|
else
|
|
{
|
|
if (!IsPaused)
|
|
{
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
return KernelResult.InvalidState;
|
|
}
|
|
|
|
lock (_threadingLock)
|
|
{
|
|
foreach (KThread thread in _threads)
|
|
{
|
|
thread.Resume(ThreadSchedState.ProcessPauseFlag);
|
|
}
|
|
}
|
|
|
|
IsPaused = false;
|
|
}
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
return KernelResult.Success;
|
|
}
|
|
|
|
KernelContext.CriticalSection.Leave();
|
|
|
|
return KernelResult.InvalidState;
|
|
}
|
|
|
|
public void PinThread(KThread thread)
|
|
{
|
|
if (!thread.TerminationRequested)
|
|
{
|
|
PinnedThreads[thread.CurrentCore] = thread;
|
|
|
|
thread.Pin();
|
|
|
|
KernelContext.ThreadReselectionRequested = true;
|
|
}
|
|
}
|
|
|
|
public void UnpinThread(KThread thread)
|
|
{
|
|
if (!thread.TerminationRequested)
|
|
{
|
|
thread.Unpin();
|
|
|
|
PinnedThreads[thread.CurrentCore] = null;
|
|
|
|
KernelContext.ThreadReselectionRequested = true;
|
|
}
|
|
}
|
|
|
|
public bool IsExceptionUserThread(KThread thread)
|
|
{
|
|
// TODO
|
|
return false;
|
|
}
|
|
}
|
|
} |