5131b71437
* add RecyclableMemoryStream dependency and MemoryStreamManager * organize BinaryReader/BinaryWriter extensions * add StreamExtensions to reduce need for BinaryWriter * simple replacments of MemoryStream with RecyclableMemoryStream * add write ReadOnlySequence<byte> support to IVirtualMemoryManager * avoid 0-length array creation * rework IpcMessage and related types to greatly reduce memory allocation by using RecylableMemoryStream, keeping streams around longer, avoiding their creation when possible, and avoiding creation of BinaryReader and BinaryWriter when possible * reduce LINQ-induced memory allocations with custom methods to query KPriorityQueue * use RecyclableMemoryStream in StreamUtils, and use StreamUtils in EmbeddedResources * add constants for nanosecond/millisecond conversions * code formatting * XML doc adjustments * fix: StreamExtension.WriteByte not writing non-zero values for lengths <= 16 * XML Doc improvements. Implement StreamExtensions.WriteByte() block writes for large-enough count values. * add copyless path for StreamExtension.Write(ReadOnlySpan<int>) * add default implementation of IVirtualMemoryManager.Write(ulong, ReadOnlySequence<byte>); remove previous explicit implementations * code style fixes * remove LINQ completely from KScheduler/KPriorityQueue by implementing a custom struct-based enumerator
3005 lines
No EOL
93 KiB
C#
3005 lines
No EOL
93 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.Ipc;
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using Ryujinx.HLE.HOS.Kernel.Memory;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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using Ryujinx.Horizon.Common;
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using System;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
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{
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[SvcImpl]
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class Syscall : ISyscallApi
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{
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private readonly KernelContext _context;
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public Syscall(KernelContext context)
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{
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_context = context;
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}
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// Process
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[Svc(0x24)]
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public Result GetProcessId(out ulong pid, int handle)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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KProcess process = currentProcess.HandleTable.GetKProcess(handle);
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if (process == null)
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{
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KThread thread = currentProcess.HandleTable.GetKThread(handle);
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if (thread != null)
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{
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process = thread.Owner;
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}
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// TODO: KDebugEvent.
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}
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pid = process?.Pid ?? 0;
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return process != null
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? Result.Success
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: KernelResult.InvalidHandle;
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}
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public Result CreateProcess(
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out int handle,
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ProcessCreationInfo info,
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ReadOnlySpan<uint> capabilities,
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IProcessContextFactory contextFactory,
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ThreadStart customThreadStart = null)
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{
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handle = 0;
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if ((info.Flags & ~ProcessCreationFlags.All) != 0)
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{
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return KernelResult.InvalidEnumValue;
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}
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// TODO: Address space check.
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if ((info.Flags & ProcessCreationFlags.PoolPartitionMask) > ProcessCreationFlags.PoolPartitionSystemNonSecure)
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{
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return KernelResult.InvalidEnumValue;
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}
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if ((info.CodeAddress & 0x1fffff) != 0)
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{
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return KernelResult.InvalidAddress;
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}
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if (info.CodePagesCount < 0 || info.SystemResourcePagesCount < 0)
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{
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return KernelResult.InvalidSize;
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}
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if (info.Flags.HasFlag(ProcessCreationFlags.OptimizeMemoryAllocation) &&
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!info.Flags.HasFlag(ProcessCreationFlags.IsApplication))
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{
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return KernelResult.InvalidThread;
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}
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KHandleTable handleTable = KernelStatic.GetCurrentProcess().HandleTable;
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KProcess process = new KProcess(_context);
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using var _ = new OnScopeExit(process.DecrementReferenceCount);
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KResourceLimit resourceLimit;
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if (info.ResourceLimitHandle != 0)
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{
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resourceLimit = handleTable.GetObject<KResourceLimit>(info.ResourceLimitHandle);
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if (resourceLimit == null)
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{
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return KernelResult.InvalidHandle;
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}
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}
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else
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{
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resourceLimit = _context.ResourceLimit;
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}
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MemoryRegion memRegion = (info.Flags & ProcessCreationFlags.PoolPartitionMask) switch
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{
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ProcessCreationFlags.PoolPartitionApplication => MemoryRegion.Application,
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ProcessCreationFlags.PoolPartitionApplet => MemoryRegion.Applet,
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ProcessCreationFlags.PoolPartitionSystem => MemoryRegion.Service,
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ProcessCreationFlags.PoolPartitionSystemNonSecure => MemoryRegion.NvServices,
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_ => MemoryRegion.NvServices
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};
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Result result = process.Initialize(
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info,
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capabilities,
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resourceLimit,
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memRegion,
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contextFactory,
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customThreadStart);
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if (result != Result.Success)
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{
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return result;
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}
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_context.Processes.TryAdd(process.Pid, process);
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return handleTable.GenerateHandle(process, out handle);
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}
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public Result StartProcess(int handle, int priority, int cpuCore, ulong mainThreadStackSize)
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{
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KProcess process = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KProcess>(handle);
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if (process == null)
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{
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return KernelResult.InvalidHandle;
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}
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if ((uint)cpuCore >= KScheduler.CpuCoresCount || !process.IsCpuCoreAllowed(cpuCore))
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{
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return KernelResult.InvalidCpuCore;
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}
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if ((uint)priority >= KScheduler.PrioritiesCount || !process.IsPriorityAllowed(priority))
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{
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return KernelResult.InvalidPriority;
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}
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process.DefaultCpuCore = cpuCore;
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Result result = process.Start(priority, mainThreadStackSize);
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if (result != Result.Success)
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{
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return result;
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}
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process.IncrementReferenceCount();
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return Result.Success;
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}
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[Svc(0x5f)]
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public Result FlushProcessDataCache(int processHandle, ulong address, ulong size)
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{
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// FIXME: This needs to be implemented as ARMv7 doesn't have any way to do cache maintenance operations on EL0.
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// As we don't support (and don't actually need) to flush the cache, this is stubbed.
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return Result.Success;
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}
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// IPC
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[Svc(0x1f)]
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public Result ConnectToNamedPort(out int handle, [PointerSized] ulong namePtr)
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{
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handle = 0;
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if (!KernelTransfer.UserToKernelString(out string name, namePtr, 12))
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{
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return KernelResult.UserCopyFailed;
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}
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return ConnectToNamedPort(out handle, name);
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}
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public Result ConnectToNamedPort(out int handle, string name)
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{
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handle = 0;
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if (name.Length > 11)
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{
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return KernelResult.MaximumExceeded;
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}
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KAutoObject autoObj = KAutoObject.FindNamedObject(_context, name);
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if (autoObj is not KClientPort clientPort)
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{
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return KernelResult.NotFound;
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}
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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Result result = currentProcess.HandleTable.ReserveHandle(out handle);
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if (result != Result.Success)
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{
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return result;
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}
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result = clientPort.Connect(out KClientSession clientSession);
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if (result != Result.Success)
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{
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currentProcess.HandleTable.CancelHandleReservation(handle);
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return result;
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}
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currentProcess.HandleTable.SetReservedHandleObj(handle, clientSession);
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clientSession.DecrementReferenceCount();
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return result;
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}
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[Svc(0x21)]
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public Result SendSyncRequest(int handle)
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{
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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KClientSession session = currentProcess.HandleTable.GetObject<KClientSession>(handle);
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if (session == null)
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{
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return KernelResult.InvalidHandle;
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}
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return session.SendSyncRequest();
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}
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[Svc(0x22)]
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public Result SendSyncRequestWithUserBuffer(
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[PointerSized] ulong messagePtr,
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[PointerSized] ulong messageSize,
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int handle)
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{
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if (!PageAligned(messagePtr))
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{
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return KernelResult.InvalidAddress;
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}
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if (!PageAligned(messageSize) || messageSize == 0)
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{
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return KernelResult.InvalidSize;
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}
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if (messagePtr + messageSize <= messagePtr)
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{
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return KernelResult.InvalidMemState;
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}
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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Result result = currentProcess.MemoryManager.BorrowIpcBuffer(messagePtr, messageSize);
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if (result != Result.Success)
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{
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return result;
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}
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KClientSession session = currentProcess.HandleTable.GetObject<KClientSession>(handle);
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if (session == null)
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{
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result = KernelResult.InvalidHandle;
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}
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else
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{
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result = session.SendSyncRequest(messagePtr, messageSize);
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}
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Result result2 = currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
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if (result == Result.Success)
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{
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result = result2;
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}
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return result;
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}
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[Svc(0x23)]
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public Result SendAsyncRequestWithUserBuffer(
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out int doneEventHandle,
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[PointerSized] ulong messagePtr,
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[PointerSized] ulong messageSize,
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int handle)
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{
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doneEventHandle = 0;
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if (!PageAligned(messagePtr))
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{
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return KernelResult.InvalidAddress;
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}
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if (!PageAligned(messageSize) || messageSize == 0)
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{
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return KernelResult.InvalidSize;
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}
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if (messagePtr + messageSize <= messagePtr)
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{
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return KernelResult.InvalidMemState;
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}
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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Result result = currentProcess.MemoryManager.BorrowIpcBuffer(messagePtr, messageSize);
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if (result != Result.Success)
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{
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return result;
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}
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KResourceLimit resourceLimit = currentProcess.ResourceLimit;
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if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.Event, 1))
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{
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currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
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return KernelResult.ResLimitExceeded;
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}
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KClientSession session = currentProcess.HandleTable.GetObject<KClientSession>(handle);
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if (session == null)
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{
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result = KernelResult.InvalidHandle;
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}
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else
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{
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KEvent doneEvent = new KEvent(_context);
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result = currentProcess.HandleTable.GenerateHandle(doneEvent.ReadableEvent, out doneEventHandle);
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if (result == Result.Success)
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{
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result = session.SendAsyncRequest(doneEvent.WritableEvent, messagePtr, messageSize);
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if (result != Result.Success)
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{
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currentProcess.HandleTable.CloseHandle(doneEventHandle);
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}
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}
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}
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if (result != Result.Success)
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{
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resourceLimit?.Release(LimitableResource.Event, 1);
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currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
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}
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return result;
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}
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[Svc(0x40)]
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public Result CreateSession(
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out int serverSessionHandle,
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out int clientSessionHandle,
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bool isLight,
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[PointerSized] ulong namePtr)
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{
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return CreateSession(out serverSessionHandle, out clientSessionHandle, isLight, null);
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}
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public Result CreateSession(
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out int serverSessionHandle,
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out int clientSessionHandle,
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bool isLight,
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string name)
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{
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serverSessionHandle = 0;
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clientSessionHandle = 0;
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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KResourceLimit resourceLimit = currentProcess.ResourceLimit;
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if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.Session, 1))
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{
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return KernelResult.ResLimitExceeded;
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}
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Result result;
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if (isLight)
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{
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KLightSession session = new KLightSession(_context);
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result = currentProcess.HandleTable.GenerateHandle(session.ServerSession, out serverSessionHandle);
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if (result == Result.Success)
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{
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result = currentProcess.HandleTable.GenerateHandle(session.ClientSession, out clientSessionHandle);
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if (result != Result.Success)
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{
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currentProcess.HandleTable.CloseHandle(serverSessionHandle);
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serverSessionHandle = 0;
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}
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}
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session.ServerSession.DecrementReferenceCount();
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session.ClientSession.DecrementReferenceCount();
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}
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else
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{
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KSession session = new KSession(_context);
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result = currentProcess.HandleTable.GenerateHandle(session.ServerSession, out serverSessionHandle);
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if (result == Result.Success)
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{
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result = currentProcess.HandleTable.GenerateHandle(session.ClientSession, out clientSessionHandle);
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if (result != Result.Success)
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{
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currentProcess.HandleTable.CloseHandle(serverSessionHandle);
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serverSessionHandle = 0;
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}
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}
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session.ServerSession.DecrementReferenceCount();
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session.ClientSession.DecrementReferenceCount();
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}
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return result;
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}
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[Svc(0x41)]
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public Result AcceptSession(out int sessionHandle, int portHandle)
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{
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sessionHandle = 0;
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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KServerPort serverPort = currentProcess.HandleTable.GetObject<KServerPort>(portHandle);
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if (serverPort == null)
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{
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return KernelResult.InvalidHandle;
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}
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Result result = currentProcess.HandleTable.ReserveHandle(out int handle);
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if (result != Result.Success)
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{
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return result;
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}
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KAutoObject session;
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if (serverPort.IsLight)
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{
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session = serverPort.AcceptIncomingLightConnection();
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}
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else
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{
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session = serverPort.AcceptIncomingConnection();
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}
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if (session != null)
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{
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currentProcess.HandleTable.SetReservedHandleObj(handle, session);
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session.DecrementReferenceCount();
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sessionHandle = handle;
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result = Result.Success;
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}
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else
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{
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currentProcess.HandleTable.CancelHandleReservation(handle);
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result = KernelResult.NotFound;
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}
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return result;
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}
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[Svc(0x43)]
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public Result ReplyAndReceive(
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out int handleIndex,
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[PointerSized] ulong handlesPtr,
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int handlesCount,
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int replyTargetHandle,
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long timeout)
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{
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handleIndex = 0;
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if ((uint)handlesCount > 0x40)
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{
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return KernelResult.MaximumExceeded;
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}
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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ulong copySize = (ulong)((long)handlesCount * 4);
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if (!currentProcess.MemoryManager.InsideAddrSpace(handlesPtr, copySize))
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{
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return KernelResult.UserCopyFailed;
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}
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if (handlesPtr + copySize < handlesPtr)
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{
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return KernelResult.UserCopyFailed;
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}
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int[] handles = new int[handlesCount];
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|
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if (!KernelTransfer.UserToKernelArray<int>(handlesPtr, handles))
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{
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return KernelResult.UserCopyFailed;
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}
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|
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if (timeout > 0)
|
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{
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timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
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}
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return ReplyAndReceive(out handleIndex, handles, replyTargetHandle, timeout);
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}
|
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|
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public Result ReplyAndReceive(out int handleIndex, ReadOnlySpan<int> handles, int replyTargetHandle, long timeout)
|
|
{
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handleIndex = 0;
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|
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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|
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KSynchronizationObject[] syncObjs = handles.Length == 0 ? Array.Empty<KSynchronizationObject>() : new KSynchronizationObject[handles.Length];
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|
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for (int index = 0; index < handles.Length; index++)
|
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{
|
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KSynchronizationObject obj = currentProcess.HandleTable.GetObject<KSynchronizationObject>(handles[index]);
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|
|
if (obj == null)
|
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{
|
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return KernelResult.InvalidHandle;
|
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}
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|
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syncObjs[index] = obj;
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}
|
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|
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Result result = Result.Success;
|
|
|
|
if (replyTargetHandle != 0)
|
|
{
|
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KServerSession replyTarget = currentProcess.HandleTable.GetObject<KServerSession>(replyTargetHandle);
|
|
|
|
if (replyTarget == null)
|
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{
|
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result = KernelResult.InvalidHandle;
|
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}
|
|
else
|
|
{
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|
result = replyTarget.Reply();
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}
|
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}
|
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|
|
if (result == Result.Success)
|
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{
|
|
if (timeout > 0)
|
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{
|
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timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
|
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}
|
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|
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while ((result = _context.Synchronization.WaitFor(syncObjs, timeout, out handleIndex)) == Result.Success)
|
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{
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KServerSession session = currentProcess.HandleTable.GetObject<KServerSession>(handles[handleIndex]);
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|
|
if (session == null)
|
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{
|
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break;
|
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}
|
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|
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if ((result = session.Receive()) != KernelResult.NotFound)
|
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{
|
|
break;
|
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}
|
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}
|
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}
|
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|
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return result;
|
|
}
|
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|
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[Svc(0x44)]
|
|
public Result ReplyAndReceiveWithUserBuffer(
|
|
out int handleIndex,
|
|
[PointerSized] ulong messagePtr,
|
|
[PointerSized] ulong messageSize,
|
|
[PointerSized] ulong handlesPtr,
|
|
int handlesCount,
|
|
int replyTargetHandle,
|
|
long timeout)
|
|
{
|
|
handleIndex = 0;
|
|
|
|
if ((uint)handlesCount > 0x40)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
ulong copySize = (ulong)((long)handlesCount * 4);
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(handlesPtr, copySize))
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
if (handlesPtr + copySize < handlesPtr)
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
Result result = currentProcess.MemoryManager.BorrowIpcBuffer(messagePtr, messageSize);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
int[] handles = new int[handlesCount];
|
|
|
|
if (!KernelTransfer.UserToKernelArray<int>(handlesPtr, handles))
|
|
{
|
|
currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
|
|
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
KSynchronizationObject[] syncObjs = new KSynchronizationObject[handlesCount];
|
|
|
|
for (int index = 0; index < handlesCount; index++)
|
|
{
|
|
KSynchronizationObject obj = currentProcess.HandleTable.GetObject<KSynchronizationObject>(handles[index]);
|
|
|
|
if (obj == null)
|
|
{
|
|
currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
|
|
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
syncObjs[index] = obj;
|
|
}
|
|
|
|
if (replyTargetHandle != 0)
|
|
{
|
|
KServerSession replyTarget = currentProcess.HandleTable.GetObject<KServerSession>(replyTargetHandle);
|
|
|
|
if (replyTarget == null)
|
|
{
|
|
result = KernelResult.InvalidHandle;
|
|
}
|
|
else
|
|
{
|
|
result = replyTarget.Reply(messagePtr, messageSize);
|
|
}
|
|
}
|
|
|
|
if (result == Result.Success)
|
|
{
|
|
if (timeout > 0)
|
|
{
|
|
timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
|
|
}
|
|
|
|
while ((result = _context.Synchronization.WaitFor(syncObjs, timeout, out handleIndex)) == Result.Success)
|
|
{
|
|
KServerSession session = currentProcess.HandleTable.GetObject<KServerSession>(handles[handleIndex]);
|
|
|
|
if (session == null)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if ((result = session.Receive(messagePtr, messageSize)) != KernelResult.NotFound)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x70)]
|
|
public Result CreatePort(
|
|
out int serverPortHandle,
|
|
out int clientPortHandle,
|
|
int maxSessions,
|
|
bool isLight,
|
|
[PointerSized] ulong namePtr)
|
|
{
|
|
// The kernel doesn't use the name pointer, so we can just pass null as the name.
|
|
return CreatePort(out serverPortHandle, out clientPortHandle, maxSessions, isLight, null);
|
|
}
|
|
|
|
public Result CreatePort(
|
|
out int serverPortHandle,
|
|
out int clientPortHandle,
|
|
int maxSessions,
|
|
bool isLight,
|
|
string name)
|
|
{
|
|
serverPortHandle = clientPortHandle = 0;
|
|
|
|
if (maxSessions < 1)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
KPort port = new KPort(_context, maxSessions, isLight, name);
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
Result result = currentProcess.HandleTable.GenerateHandle(port.ClientPort, out clientPortHandle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out serverPortHandle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
currentProcess.HandleTable.CloseHandle(clientPortHandle);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x71)]
|
|
public Result ManageNamedPort(out int handle, [PointerSized] ulong namePtr, int maxSessions)
|
|
{
|
|
handle = 0;
|
|
|
|
if (!KernelTransfer.UserToKernelString(out string name, namePtr, 12))
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
if (name.Length > 11)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
return ManageNamedPort(out handle, name, maxSessions);
|
|
}
|
|
|
|
public Result ManageNamedPort(out int handle, string name, int maxSessions)
|
|
{
|
|
handle = 0;
|
|
|
|
if (maxSessions < 0)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
if (maxSessions == 0)
|
|
{
|
|
return KAutoObject.RemoveName(_context, name);
|
|
}
|
|
|
|
KPort port = new KPort(_context, maxSessions, false, null);
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
Result result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out handle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
result = port.ClientPort.SetName(name);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
currentProcess.HandleTable.CloseHandle(handle);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x72)]
|
|
public Result ConnectToPort(out int clientSessionHandle, int clientPortHandle)
|
|
{
|
|
clientSessionHandle = 0;
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KClientPort clientPort = currentProcess.HandleTable.GetObject<KClientPort>(clientPortHandle);
|
|
|
|
if (clientPort == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
Result result = currentProcess.HandleTable.ReserveHandle(out int handle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
KAutoObject session;
|
|
|
|
if (clientPort.IsLight)
|
|
{
|
|
result = clientPort.ConnectLight(out KLightClientSession clientSession);
|
|
|
|
session = clientSession;
|
|
}
|
|
else
|
|
{
|
|
result = clientPort.Connect(out KClientSession clientSession);
|
|
|
|
session = clientSession;
|
|
}
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
currentProcess.HandleTable.CancelHandleReservation(handle);
|
|
|
|
return result;
|
|
}
|
|
|
|
currentProcess.HandleTable.SetReservedHandleObj(handle, session);
|
|
|
|
session.DecrementReferenceCount();
|
|
|
|
clientSessionHandle = handle;
|
|
|
|
return result;
|
|
}
|
|
|
|
// Memory
|
|
|
|
[Svc(1)]
|
|
public Result SetHeapSize([PointerSized] out ulong address, [PointerSized] ulong size)
|
|
{
|
|
if ((size & 0xfffffffe001fffff) != 0)
|
|
{
|
|
address = 0;
|
|
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
return process.MemoryManager.SetHeapSize(size, out address);
|
|
}
|
|
|
|
[Svc(2)]
|
|
public Result SetMemoryPermission([PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (permission != KMemoryPermission.None && (permission | KMemoryPermission.Write) != KMemoryPermission.ReadAndWrite)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(address, size))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
return currentProcess.MemoryManager.SetMemoryPermission(address, size, permission);
|
|
}
|
|
|
|
[Svc(3)]
|
|
public Result SetMemoryAttribute(
|
|
[PointerSized] ulong address,
|
|
[PointerSized] ulong size,
|
|
MemoryAttribute attributeMask,
|
|
MemoryAttribute attributeValue)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
MemoryAttribute attributes = attributeMask | attributeValue;
|
|
|
|
if (attributes != attributeMask ||
|
|
(attributes | MemoryAttribute.Uncached) != MemoryAttribute.Uncached)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
if (!process.MemoryManager.InsideAddrSpace(address, size))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
Result result = process.MemoryManager.SetMemoryAttribute(
|
|
address,
|
|
size,
|
|
attributeMask,
|
|
attributeValue);
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(4)]
|
|
public Result MapMemory([PointerSized] ulong dst, [PointerSized] ulong src, [PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(src | dst))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (src + size <= src || dst + size <= dst)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(src, size))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.OutsideStackRegion(dst, size) ||
|
|
currentProcess.MemoryManager.InsideHeapRegion(dst, size) ||
|
|
currentProcess.MemoryManager.InsideAliasRegion(dst, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
return process.MemoryManager.Map(dst, src, size);
|
|
}
|
|
|
|
[Svc(5)]
|
|
public Result UnmapMemory([PointerSized] ulong dst, [PointerSized] ulong src, [PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(src | dst))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (src + size <= src || dst + size <= dst)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(src, size))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.OutsideStackRegion(dst, size) ||
|
|
currentProcess.MemoryManager.InsideHeapRegion(dst, size) ||
|
|
currentProcess.MemoryManager.InsideAliasRegion(dst, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
return process.MemoryManager.Unmap(dst, src, size);
|
|
}
|
|
|
|
[Svc(6)]
|
|
public Result QueryMemory([PointerSized] ulong infoPtr, [PointerSized] out ulong pageInfo, [PointerSized] ulong address)
|
|
{
|
|
Result result = QueryMemory(out MemoryInfo info, out pageInfo, address);
|
|
|
|
if (result == Result.Success)
|
|
{
|
|
return KernelTransfer.KernelToUser(infoPtr, info)
|
|
? Result.Success
|
|
: KernelResult.InvalidMemState;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
public Result QueryMemory(out MemoryInfo info, out ulong pageInfo, ulong address)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KMemoryInfo blockInfo = process.MemoryManager.QueryMemory(address);
|
|
|
|
info = new MemoryInfo(
|
|
blockInfo.Address,
|
|
blockInfo.Size,
|
|
blockInfo.State & MemoryState.UserMask,
|
|
blockInfo.Attribute,
|
|
blockInfo.Permission & KMemoryPermission.UserMask,
|
|
blockInfo.IpcRefCount,
|
|
blockInfo.DeviceRefCount);
|
|
|
|
pageInfo = 0;
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x13)]
|
|
public Result MapSharedMemory(int handle, [PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if ((permission | KMemoryPermission.Write) != KMemoryPermission.ReadAndWrite)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KSharedMemory sharedMemory = currentProcess.HandleTable.GetObject<KSharedMemory>(handle);
|
|
|
|
if (sharedMemory == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.IsInvalidRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideHeapRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideAliasRegion(address, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
return sharedMemory.MapIntoProcess(
|
|
currentProcess.MemoryManager,
|
|
address,
|
|
size,
|
|
currentProcess,
|
|
permission);
|
|
}
|
|
|
|
[Svc(0x14)]
|
|
public Result UnmapSharedMemory(int handle, [PointerSized] ulong address, [PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KSharedMemory sharedMemory = currentProcess.HandleTable.GetObject<KSharedMemory>(handle);
|
|
|
|
if (sharedMemory == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.IsInvalidRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideHeapRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideAliasRegion(address, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
return sharedMemory.UnmapFromProcess(
|
|
currentProcess.MemoryManager,
|
|
address,
|
|
size,
|
|
currentProcess);
|
|
}
|
|
|
|
[Svc(0x15)]
|
|
public Result CreateTransferMemory(out int handle, [PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
|
|
{
|
|
handle = 0;
|
|
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (permission > KMemoryPermission.ReadAndWrite || permission == KMemoryPermission.Write)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KResourceLimit resourceLimit = process.ResourceLimit;
|
|
|
|
if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.TransferMemory, 1))
|
|
{
|
|
return KernelResult.ResLimitExceeded;
|
|
}
|
|
|
|
void CleanUpForError()
|
|
{
|
|
resourceLimit?.Release(LimitableResource.TransferMemory, 1);
|
|
}
|
|
|
|
if (!process.MemoryManager.InsideAddrSpace(address, size))
|
|
{
|
|
CleanUpForError();
|
|
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
KTransferMemory transferMemory = new KTransferMemory(_context);
|
|
|
|
Result result = transferMemory.Initialize(address, size, permission);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
CleanUpForError();
|
|
|
|
return result;
|
|
}
|
|
|
|
result = process.HandleTable.GenerateHandle(transferMemory, out handle);
|
|
|
|
transferMemory.DecrementReferenceCount();
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x51)]
|
|
public Result MapTransferMemory(int handle, [PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (permission > KMemoryPermission.ReadAndWrite || permission == KMemoryPermission.Write)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KTransferMemory transferMemory = currentProcess.HandleTable.GetObject<KTransferMemory>(handle);
|
|
|
|
if (transferMemory == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.IsInvalidRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideHeapRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideAliasRegion(address, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
return transferMemory.MapIntoProcess(
|
|
currentProcess.MemoryManager,
|
|
address,
|
|
size,
|
|
currentProcess,
|
|
permission);
|
|
}
|
|
|
|
[Svc(0x52)]
|
|
public Result UnmapTransferMemory(int handle, [PointerSized] ulong address, [PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KTransferMemory transferMemory = currentProcess.HandleTable.GetObject<KTransferMemory>(handle);
|
|
|
|
if (transferMemory == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.IsInvalidRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideHeapRegion(address, size) ||
|
|
currentProcess.MemoryManager.InsideAliasRegion(address, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
return transferMemory.UnmapFromProcess(
|
|
currentProcess.MemoryManager,
|
|
address,
|
|
size,
|
|
currentProcess);
|
|
}
|
|
|
|
[Svc(0x2c)]
|
|
public Result MapPhysicalMemory([PointerSized] ulong address, [PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if ((currentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
|
|
{
|
|
return KernelResult.InvalidState;
|
|
}
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(address, size) ||
|
|
currentProcess.MemoryManager.OutsideAliasRegion(address, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
return process.MemoryManager.MapPhysicalMemory(address, size);
|
|
}
|
|
|
|
[Svc(0x2d)]
|
|
public Result UnmapPhysicalMemory([PointerSized] ulong address, [PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (address + size <= address)
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if ((currentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
|
|
{
|
|
return KernelResult.InvalidState;
|
|
}
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(address, size) ||
|
|
currentProcess.MemoryManager.OutsideAliasRegion(address, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
return process.MemoryManager.UnmapPhysicalMemory(address, size);
|
|
}
|
|
|
|
[Svc(0x4b)]
|
|
public Result CreateCodeMemory(out int handle, [PointerSized] ulong address, [PointerSized] ulong size)
|
|
{
|
|
handle = 0;
|
|
|
|
if (!PageAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (size + address <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
KCodeMemory codeMemory = new KCodeMemory(_context);
|
|
|
|
using var _ = new OnScopeExit(codeMemory.DecrementReferenceCount);
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (!currentProcess.MemoryManager.InsideAddrSpace(address, size))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
Result result = codeMemory.Initialize(address, size);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return currentProcess.HandleTable.GenerateHandle(codeMemory, out handle);
|
|
}
|
|
|
|
[Svc(0x4c)]
|
|
public Result ControlCodeMemory(
|
|
int handle,
|
|
CodeMemoryOperation op,
|
|
ulong address,
|
|
ulong size,
|
|
KMemoryPermission permission)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KCodeMemory codeMemory = currentProcess.HandleTable.GetObject<KCodeMemory>(handle);
|
|
|
|
// Newer versions of the kernel also returns an error here if the owner and process
|
|
// where the operation will happen are the same. We do not return an error here
|
|
// for homebrew because some of them requires this to be patched out to work (for JIT).
|
|
if (codeMemory == null || (!currentProcess.AllowCodeMemoryForJit && codeMemory.Owner == currentProcess))
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
switch (op)
|
|
{
|
|
case CodeMemoryOperation.Map:
|
|
if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeWritable))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
if (permission != KMemoryPermission.ReadAndWrite)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
return codeMemory.Map(address, size, permission);
|
|
|
|
case CodeMemoryOperation.MapToOwner:
|
|
if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeReadOnly))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
if (permission != KMemoryPermission.Read && permission != KMemoryPermission.ReadAndExecute)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
return codeMemory.MapToOwner(address, size, permission);
|
|
|
|
case CodeMemoryOperation.Unmap:
|
|
if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeWritable))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
if (permission != KMemoryPermission.None)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
return codeMemory.Unmap(address, size);
|
|
|
|
case CodeMemoryOperation.UnmapFromOwner:
|
|
if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeReadOnly))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
if (permission != KMemoryPermission.None)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
return codeMemory.UnmapFromOwner(address, size);
|
|
|
|
default: return KernelResult.InvalidEnumValue;
|
|
}
|
|
}
|
|
|
|
[Svc(0x73)]
|
|
public Result SetProcessMemoryPermission(
|
|
int handle,
|
|
[PointerSized] ulong src,
|
|
[PointerSized] ulong size,
|
|
KMemoryPermission permission)
|
|
{
|
|
if (!PageAligned(src))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (permission != KMemoryPermission.None &&
|
|
permission != KMemoryPermission.Read &&
|
|
permission != KMemoryPermission.ReadAndWrite &&
|
|
permission != KMemoryPermission.ReadAndExecute)
|
|
{
|
|
return KernelResult.InvalidPermission;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
|
|
|
|
if (targetProcess == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (targetProcess.MemoryManager.OutsideAddrSpace(src, size))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
return targetProcess.MemoryManager.SetProcessMemoryPermission(src, size, permission);
|
|
}
|
|
|
|
[Svc(0x74)]
|
|
public Result MapProcessMemory(
|
|
[PointerSized] ulong dst,
|
|
int handle,
|
|
ulong src,
|
|
[PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(src) || !PageAligned(dst))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (dst + size <= dst || src + size <= src)
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess dstProcess = KernelStatic.GetCurrentProcess();
|
|
KProcess srcProcess = dstProcess.HandleTable.GetObject<KProcess>(handle);
|
|
|
|
if (srcProcess == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (!srcProcess.MemoryManager.InsideAddrSpace(src, size) ||
|
|
!dstProcess.MemoryManager.CanContain(dst, size, MemoryState.ProcessMemory))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KPageList pageList = new KPageList();
|
|
|
|
Result result = srcProcess.MemoryManager.GetPagesIfStateEquals(
|
|
src,
|
|
size,
|
|
MemoryState.MapProcessAllowed,
|
|
MemoryState.MapProcessAllowed,
|
|
KMemoryPermission.None,
|
|
KMemoryPermission.None,
|
|
MemoryAttribute.Mask,
|
|
MemoryAttribute.None,
|
|
pageList);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return dstProcess.MemoryManager.MapPages(dst, pageList, MemoryState.ProcessMemory, KMemoryPermission.ReadAndWrite);
|
|
}
|
|
|
|
[Svc(0x75)]
|
|
public Result UnmapProcessMemory(
|
|
[PointerSized] ulong dst,
|
|
int handle,
|
|
ulong src,
|
|
[PointerSized] ulong size)
|
|
{
|
|
if (!PageAligned(src) || !PageAligned(dst))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
if (dst + size <= dst || src + size <= src)
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
KProcess dstProcess = KernelStatic.GetCurrentProcess();
|
|
KProcess srcProcess = dstProcess.HandleTable.GetObject<KProcess>(handle);
|
|
|
|
if (srcProcess == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (!srcProcess.MemoryManager.InsideAddrSpace(src, size) ||
|
|
!dstProcess.MemoryManager.CanContain(dst, size, MemoryState.ProcessMemory))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
Result result = dstProcess.MemoryManager.UnmapProcessMemory(dst, size, srcProcess.MemoryManager, src);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x77)]
|
|
public Result MapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
|
|
{
|
|
if (!PageAligned(dst) || !PageAligned(src))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
|
|
|
|
if (targetProcess == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (targetProcess.MemoryManager.OutsideAddrSpace(dst, size) ||
|
|
targetProcess.MemoryManager.OutsideAddrSpace(src, size) ||
|
|
targetProcess.MemoryManager.InsideAliasRegion(dst, size) ||
|
|
targetProcess.MemoryManager.InsideHeapRegion(dst, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
if (size + dst <= dst || size + src <= src)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
return targetProcess.MemoryManager.MapProcessCodeMemory(dst, src, size);
|
|
}
|
|
|
|
[Svc(0x78)]
|
|
public Result UnmapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
|
|
{
|
|
if (!PageAligned(dst) || !PageAligned(src))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
if (!PageAligned(size) || size == 0)
|
|
{
|
|
return KernelResult.InvalidSize;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
|
|
|
|
if (targetProcess == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (targetProcess.MemoryManager.OutsideAddrSpace(dst, size) ||
|
|
targetProcess.MemoryManager.OutsideAddrSpace(src, size) ||
|
|
targetProcess.MemoryManager.InsideAliasRegion(dst, size) ||
|
|
targetProcess.MemoryManager.InsideHeapRegion(dst, size))
|
|
{
|
|
return KernelResult.InvalidMemRange;
|
|
}
|
|
|
|
if (size + dst <= dst || size + src <= src)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
return targetProcess.MemoryManager.UnmapProcessCodeMemory(dst, src, size);
|
|
}
|
|
|
|
private static bool PageAligned(ulong address)
|
|
{
|
|
return (address & (KPageTableBase.PageSize - 1)) == 0;
|
|
}
|
|
|
|
// System
|
|
|
|
[Svc(0x7b)]
|
|
public Result TerminateProcess(int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
process = process.HandleTable.GetObject<KProcess>(handle);
|
|
|
|
Result result;
|
|
|
|
if (process != null)
|
|
{
|
|
if (process == KernelStatic.GetCurrentProcess())
|
|
{
|
|
result = Result.Success;
|
|
process.DecrementToZeroWhileTerminatingCurrent();
|
|
}
|
|
else
|
|
{
|
|
result = process.Terminate();
|
|
process.DecrementReferenceCount();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result = KernelResult.InvalidHandle;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(7)]
|
|
public void ExitProcess()
|
|
{
|
|
KernelStatic.GetCurrentProcess().TerminateCurrentProcess();
|
|
}
|
|
|
|
[Svc(0x11)]
|
|
public Result SignalEvent(int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KWritableEvent writableEvent = process.HandleTable.GetObject<KWritableEvent>(handle);
|
|
|
|
Result result;
|
|
|
|
if (writableEvent != null)
|
|
{
|
|
writableEvent.Signal();
|
|
|
|
result = Result.Success;
|
|
}
|
|
else
|
|
{
|
|
result = KernelResult.InvalidHandle;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x12)]
|
|
public Result ClearEvent(int handle)
|
|
{
|
|
Result result;
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KWritableEvent writableEvent = process.HandleTable.GetObject<KWritableEvent>(handle);
|
|
|
|
if (writableEvent == null)
|
|
{
|
|
KReadableEvent readableEvent = process.HandleTable.GetObject<KReadableEvent>(handle);
|
|
|
|
result = readableEvent?.Clear() ?? KernelResult.InvalidHandle;
|
|
}
|
|
else
|
|
{
|
|
result = writableEvent.Clear();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x16)]
|
|
public Result CloseHandle(int handle)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
return currentProcess.HandleTable.CloseHandle(handle) ? Result.Success : KernelResult.InvalidHandle;
|
|
}
|
|
|
|
[Svc(0x17)]
|
|
public Result ResetSignal(int handle)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KReadableEvent readableEvent = currentProcess.HandleTable.GetObject<KReadableEvent>(handle);
|
|
|
|
Result result;
|
|
|
|
if (readableEvent != null)
|
|
{
|
|
result = readableEvent.ClearIfSignaled();
|
|
}
|
|
else
|
|
{
|
|
KProcess process = currentProcess.HandleTable.GetKProcess(handle);
|
|
|
|
if (process != null)
|
|
{
|
|
result = process.ClearIfNotExited();
|
|
}
|
|
else
|
|
{
|
|
result = KernelResult.InvalidHandle;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x1e)]
|
|
public ulong GetSystemTick()
|
|
{
|
|
return _context.TickSource.Counter;
|
|
}
|
|
|
|
[Svc(0x26)]
|
|
public void Break(ulong reason)
|
|
{
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
if ((reason & (1UL << 31)) == 0)
|
|
{
|
|
currentThread.PrintGuestStackTrace();
|
|
currentThread.PrintGuestRegisterPrintout();
|
|
|
|
// As the process is exiting, this is probably caused by emulation termination.
|
|
if (currentThread.Owner.State == ProcessState.Exiting)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// TODO: Debug events.
|
|
currentThread.Owner.TerminateCurrentProcess();
|
|
|
|
throw new GuestBrokeExecutionException();
|
|
}
|
|
else
|
|
{
|
|
Logger.Debug?.Print(LogClass.KernelSvc, "Debugger triggered.");
|
|
}
|
|
}
|
|
|
|
[Svc(0x27)]
|
|
public void OutputDebugString([PointerSized] ulong strPtr, [PointerSized] ulong size)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
string str = MemoryHelper.ReadAsciiString(process.CpuMemory, strPtr, (long)size);
|
|
|
|
Logger.Warning?.Print(LogClass.KernelSvc, str);
|
|
}
|
|
|
|
[Svc(0x29)]
|
|
public Result GetInfo(out ulong value, InfoType id, int handle, long subId)
|
|
{
|
|
value = 0;
|
|
|
|
switch (id)
|
|
{
|
|
case InfoType.CoreMask:
|
|
case InfoType.PriorityMask:
|
|
case InfoType.AliasRegionAddress:
|
|
case InfoType.AliasRegionSize:
|
|
case InfoType.HeapRegionAddress:
|
|
case InfoType.HeapRegionSize:
|
|
case InfoType.TotalMemorySize:
|
|
case InfoType.UsedMemorySize:
|
|
case InfoType.AslrRegionAddress:
|
|
case InfoType.AslrRegionSize:
|
|
case InfoType.StackRegionAddress:
|
|
case InfoType.StackRegionSize:
|
|
case InfoType.SystemResourceSizeTotal:
|
|
case InfoType.SystemResourceSizeUsed:
|
|
case InfoType.ProgramId:
|
|
case InfoType.UserExceptionContextAddress:
|
|
case InfoType.TotalNonSystemMemorySize:
|
|
case InfoType.UsedNonSystemMemorySize:
|
|
case InfoType.IsApplication:
|
|
case InfoType.FreeThreadCount:
|
|
{
|
|
if (subId != 0)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
KProcess process = currentProcess.HandleTable.GetKProcess(handle);
|
|
|
|
if (process == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
switch (id)
|
|
{
|
|
case InfoType.CoreMask: value = process.Capabilities.AllowedCpuCoresMask; break;
|
|
case InfoType.PriorityMask: value = process.Capabilities.AllowedThreadPriosMask; break;
|
|
|
|
case InfoType.AliasRegionAddress: value = process.MemoryManager.AliasRegionStart; break;
|
|
case InfoType.AliasRegionSize:
|
|
value = (process.MemoryManager.AliasRegionEnd -
|
|
process.MemoryManager.AliasRegionStart); break;
|
|
|
|
case InfoType.HeapRegionAddress: value = process.MemoryManager.HeapRegionStart; break;
|
|
case InfoType.HeapRegionSize:
|
|
value = (process.MemoryManager.HeapRegionEnd -
|
|
process.MemoryManager.HeapRegionStart); break;
|
|
|
|
case InfoType.TotalMemorySize: value = process.GetMemoryCapacity(); break;
|
|
|
|
case InfoType.UsedMemorySize: value = process.GetMemoryUsage(); break;
|
|
|
|
case InfoType.AslrRegionAddress: value = process.MemoryManager.GetAddrSpaceBaseAddr(); break;
|
|
|
|
case InfoType.AslrRegionSize: value = process.MemoryManager.GetAddrSpaceSize(); break;
|
|
|
|
case InfoType.StackRegionAddress: value = process.MemoryManager.StackRegionStart; break;
|
|
case InfoType.StackRegionSize:
|
|
value = (process.MemoryManager.StackRegionEnd -
|
|
process.MemoryManager.StackRegionStart); break;
|
|
|
|
case InfoType.SystemResourceSizeTotal: value = process.PersonalMmHeapPagesCount * KPageTableBase.PageSize; break;
|
|
|
|
case InfoType.SystemResourceSizeUsed:
|
|
if (process.PersonalMmHeapPagesCount != 0)
|
|
{
|
|
value = process.MemoryManager.GetMmUsedPages() * KPageTableBase.PageSize;
|
|
}
|
|
|
|
break;
|
|
|
|
case InfoType.ProgramId: value = process.TitleId; break;
|
|
|
|
case InfoType.UserExceptionContextAddress: value = process.UserExceptionContextAddress; break;
|
|
|
|
case InfoType.TotalNonSystemMemorySize: value = process.GetMemoryCapacityWithoutPersonalMmHeap(); break;
|
|
|
|
case InfoType.UsedNonSystemMemorySize: value = process.GetMemoryUsageWithoutPersonalMmHeap(); break;
|
|
|
|
case InfoType.IsApplication: value = process.IsApplication ? 1UL : 0UL; break;
|
|
|
|
case InfoType.FreeThreadCount:
|
|
if (process.ResourceLimit != null)
|
|
{
|
|
value = (ulong)(process.ResourceLimit.GetLimitValue(LimitableResource.Thread) -
|
|
process.ResourceLimit.GetCurrentValue(LimitableResource.Thread));
|
|
}
|
|
else
|
|
{
|
|
value = 0;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case InfoType.DebuggerAttached:
|
|
{
|
|
if (handle != 0)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (subId != 0)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
value = KernelStatic.GetCurrentProcess().Debug ? 1UL : 0UL;
|
|
|
|
break;
|
|
}
|
|
|
|
case InfoType.ResourceLimit:
|
|
{
|
|
if (handle != 0)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (subId != 0)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (currentProcess.ResourceLimit != null)
|
|
{
|
|
KHandleTable handleTable = currentProcess.HandleTable;
|
|
KResourceLimit resourceLimit = currentProcess.ResourceLimit;
|
|
|
|
Result result = handleTable.GenerateHandle(resourceLimit, out int resLimHandle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
value = (uint)resLimHandle;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case InfoType.IdleTickCount:
|
|
{
|
|
if (handle != 0)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
int currentCore = KernelStatic.GetCurrentThread().CurrentCore;
|
|
|
|
if (subId != -1 && subId != currentCore)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
value = (ulong)KTimeManager.ConvertHostTicksToTicks(_context.Schedulers[currentCore].TotalIdleTimeTicks);
|
|
|
|
break;
|
|
}
|
|
|
|
case InfoType.RandomEntropy:
|
|
{
|
|
if (handle != 0)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if ((ulong)subId > 3)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
value = currentProcess.RandomEntropy[subId];
|
|
|
|
break;
|
|
}
|
|
|
|
case InfoType.ThreadTickCount:
|
|
{
|
|
if (subId < -1 || subId > 3)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KThread thread = KernelStatic.GetCurrentProcess().HandleTable.GetKThread(handle);
|
|
|
|
if (thread == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
int currentCore = currentThread.CurrentCore;
|
|
|
|
if (subId != -1 && subId != currentCore)
|
|
{
|
|
return Result.Success;
|
|
}
|
|
|
|
KScheduler scheduler = _context.Schedulers[currentCore];
|
|
|
|
long timeDelta = PerformanceCounter.ElapsedTicks - scheduler.LastContextSwitchTime;
|
|
|
|
if (subId != -1)
|
|
{
|
|
value = (ulong)KTimeManager.ConvertHostTicksToTicks(timeDelta);
|
|
}
|
|
else
|
|
{
|
|
long totalTimeRunning = thread.TotalTimeRunning;
|
|
|
|
if (thread == currentThread)
|
|
{
|
|
totalTimeRunning += timeDelta;
|
|
}
|
|
|
|
value = (ulong)KTimeManager.ConvertHostTicksToTicks(totalTimeRunning);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case InfoType.MesosphereCurrentProcess:
|
|
{
|
|
if (handle != 0)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if ((ulong)subId != 0)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
KHandleTable handleTable = currentProcess.HandleTable;
|
|
|
|
Result result = handleTable.GenerateHandle(currentProcess, out int outHandle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
value = (ulong)outHandle;
|
|
|
|
break;
|
|
}
|
|
|
|
default: return KernelResult.InvalidEnumValue;
|
|
}
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x45)]
|
|
public Result CreateEvent(out int wEventHandle, out int rEventHandle)
|
|
{
|
|
KEvent Event = new KEvent(_context);
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
Result result = process.HandleTable.GenerateHandle(Event.WritableEvent, out wEventHandle);
|
|
|
|
if (result == Result.Success)
|
|
{
|
|
result = process.HandleTable.GenerateHandle(Event.ReadableEvent, out rEventHandle);
|
|
|
|
if (result != Result.Success)
|
|
{
|
|
process.HandleTable.CloseHandle(wEventHandle);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
rEventHandle = 0;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x65)]
|
|
public Result GetProcessList(out int count, [PointerSized] ulong address, int maxCount)
|
|
{
|
|
count = 0;
|
|
|
|
if ((maxCount >> 28) != 0)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
if (maxCount != 0)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
ulong copySize = (ulong)maxCount * 8;
|
|
|
|
if (address + copySize <= address)
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (currentProcess.MemoryManager.OutsideAddrSpace(address, copySize))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
}
|
|
|
|
int copyCount = 0;
|
|
|
|
lock (_context.Processes)
|
|
{
|
|
foreach (KProcess process in _context.Processes.Values)
|
|
{
|
|
if (copyCount < maxCount)
|
|
{
|
|
if (!KernelTransfer.KernelToUser(address + (ulong)copyCount * 8, process.Pid))
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
}
|
|
|
|
copyCount++;
|
|
}
|
|
}
|
|
|
|
count = copyCount;
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x6f)]
|
|
public Result GetSystemInfo(out long value, uint id, int handle, long subId)
|
|
{
|
|
value = 0;
|
|
|
|
if (id > 2)
|
|
{
|
|
return KernelResult.InvalidEnumValue;
|
|
}
|
|
|
|
if (handle != 0)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (id < 2)
|
|
{
|
|
if ((ulong)subId > 3)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
KMemoryRegionManager region = _context.MemoryManager.MemoryRegions[subId];
|
|
|
|
switch (id)
|
|
{
|
|
// Memory region capacity.
|
|
case 0: value = (long)region.Size; break;
|
|
|
|
// Memory region free space.
|
|
case 1:
|
|
{
|
|
ulong freePagesCount = region.GetFreePages();
|
|
|
|
value = (long)(freePagesCount * KPageTableBase.PageSize);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else /* if (Id == 2) */
|
|
{
|
|
if ((ulong)subId > 1)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
switch (subId)
|
|
{
|
|
case 0: value = _context.PrivilegedProcessLowestId; break;
|
|
case 1: value = _context.PrivilegedProcessHighestId; break;
|
|
}
|
|
}
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x30)]
|
|
public Result GetResourceLimitLimitValue(out long limitValue, int handle, LimitableResource resource)
|
|
{
|
|
limitValue = 0;
|
|
|
|
if (resource >= LimitableResource.Count)
|
|
{
|
|
return KernelResult.InvalidEnumValue;
|
|
}
|
|
|
|
KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
|
|
|
|
if (resourceLimit == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
limitValue = resourceLimit.GetLimitValue(resource);
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x31)]
|
|
public Result GetResourceLimitCurrentValue(out long limitValue, int handle, LimitableResource resource)
|
|
{
|
|
limitValue = 0;
|
|
|
|
if (resource >= LimitableResource.Count)
|
|
{
|
|
return KernelResult.InvalidEnumValue;
|
|
}
|
|
|
|
KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
|
|
|
|
if (resourceLimit == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
limitValue = resourceLimit.GetCurrentValue(resource);
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x37)]
|
|
public Result GetResourceLimitPeakValue(out long peak, int handle, LimitableResource resource)
|
|
{
|
|
peak = 0;
|
|
|
|
if (resource >= LimitableResource.Count)
|
|
{
|
|
return KernelResult.InvalidEnumValue;
|
|
}
|
|
|
|
KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
|
|
|
|
if (resourceLimit == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
peak = resourceLimit.GetPeakValue(resource);
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x7d)]
|
|
public Result CreateResourceLimit(out int handle)
|
|
{
|
|
KResourceLimit limit = new KResourceLimit(_context);
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
return process.HandleTable.GenerateHandle(limit, out handle);
|
|
}
|
|
|
|
[Svc(0x7e)]
|
|
public Result SetResourceLimitLimitValue(int handle, LimitableResource resource, long limitValue)
|
|
{
|
|
if (resource >= LimitableResource.Count)
|
|
{
|
|
return KernelResult.InvalidEnumValue;
|
|
}
|
|
|
|
KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
|
|
|
|
if (resourceLimit == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
return resourceLimit.SetLimitValue(resource, limitValue);
|
|
}
|
|
|
|
// Thread
|
|
|
|
[Svc(8)]
|
|
public Result CreateThread(
|
|
out int handle,
|
|
[PointerSized] ulong entrypoint,
|
|
[PointerSized] ulong argsPtr,
|
|
[PointerSized] ulong stackTop,
|
|
int priority,
|
|
int cpuCore)
|
|
{
|
|
return CreateThread(out handle, entrypoint, argsPtr, stackTop, priority, cpuCore, null);
|
|
}
|
|
|
|
public Result CreateThread(
|
|
out int handle,
|
|
ulong entrypoint,
|
|
ulong argsPtr,
|
|
ulong stackTop,
|
|
int priority,
|
|
int cpuCore,
|
|
ThreadStart customThreadStart)
|
|
{
|
|
handle = 0;
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (cpuCore == -2)
|
|
{
|
|
cpuCore = currentProcess.DefaultCpuCore;
|
|
}
|
|
|
|
if ((uint)cpuCore >= KScheduler.CpuCoresCount || !currentProcess.IsCpuCoreAllowed(cpuCore))
|
|
{
|
|
return KernelResult.InvalidCpuCore;
|
|
}
|
|
|
|
if ((uint)priority >= KScheduler.PrioritiesCount || !currentProcess.IsPriorityAllowed(priority))
|
|
{
|
|
return KernelResult.InvalidPriority;
|
|
}
|
|
|
|
long timeout = KTimeManager.ConvertMillisecondsToNanoseconds(100);
|
|
|
|
if (currentProcess.ResourceLimit != null &&
|
|
!currentProcess.ResourceLimit.Reserve(LimitableResource.Thread, 1, timeout))
|
|
{
|
|
return KernelResult.ResLimitExceeded;
|
|
}
|
|
|
|
KThread thread = new KThread(_context);
|
|
|
|
Result result = currentProcess.InitializeThread(
|
|
thread,
|
|
entrypoint,
|
|
argsPtr,
|
|
stackTop,
|
|
priority,
|
|
cpuCore,
|
|
customThreadStart);
|
|
|
|
if (result == Result.Success)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
result = process.HandleTable.GenerateHandle(thread, out handle);
|
|
}
|
|
else
|
|
{
|
|
currentProcess.ResourceLimit?.Release(LimitableResource.Thread, 1);
|
|
}
|
|
|
|
thread.DecrementReferenceCount();
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(9)]
|
|
public Result StartThread(int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread != null)
|
|
{
|
|
thread.IncrementReferenceCount();
|
|
|
|
Result result = thread.Start();
|
|
|
|
if (result == Result.Success)
|
|
{
|
|
thread.IncrementReferenceCount();
|
|
}
|
|
|
|
thread.DecrementReferenceCount();
|
|
|
|
return result;
|
|
}
|
|
else
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
}
|
|
|
|
[Svc(0xa)]
|
|
public void ExitThread()
|
|
{
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
currentThread.Exit();
|
|
}
|
|
|
|
[Svc(0xb)]
|
|
public void SleepThread(long timeout)
|
|
{
|
|
if (timeout < 1)
|
|
{
|
|
switch (timeout)
|
|
{
|
|
case 0: KScheduler.Yield(_context); break;
|
|
case -1: KScheduler.YieldWithLoadBalancing(_context); break;
|
|
case -2: KScheduler.YieldToAnyThread(_context); break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
KernelStatic.GetCurrentThread().Sleep(timeout + KTimeManager.DefaultTimeIncrementNanoseconds);
|
|
}
|
|
}
|
|
|
|
[Svc(0xc)]
|
|
public Result GetThreadPriority(out int priority, int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread != null)
|
|
{
|
|
priority = thread.DynamicPriority;
|
|
|
|
return Result.Success;
|
|
}
|
|
else
|
|
{
|
|
priority = 0;
|
|
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
}
|
|
|
|
[Svc(0xd)]
|
|
public Result SetThreadPriority(int handle, int priority)
|
|
{
|
|
// TODO: NPDM check.
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
thread.SetPriority(priority);
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0xe)]
|
|
public Result GetThreadCoreMask(out int preferredCore, out ulong affinityMask, int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread != null)
|
|
{
|
|
preferredCore = thread.PreferredCore;
|
|
affinityMask = thread.AffinityMask;
|
|
|
|
return Result.Success;
|
|
}
|
|
else
|
|
{
|
|
preferredCore = 0;
|
|
affinityMask = 0;
|
|
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
}
|
|
|
|
[Svc(0xf)]
|
|
public Result SetThreadCoreMask(int handle, int preferredCore, ulong affinityMask)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (preferredCore == -2)
|
|
{
|
|
preferredCore = currentProcess.DefaultCpuCore;
|
|
|
|
affinityMask = 1UL << preferredCore;
|
|
}
|
|
else
|
|
{
|
|
if ((currentProcess.Capabilities.AllowedCpuCoresMask | affinityMask) !=
|
|
currentProcess.Capabilities.AllowedCpuCoresMask)
|
|
{
|
|
return KernelResult.InvalidCpuCore;
|
|
}
|
|
|
|
if (affinityMask == 0)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
|
|
if ((uint)preferredCore > 3)
|
|
{
|
|
if ((preferredCore | 2) != -1)
|
|
{
|
|
return KernelResult.InvalidCpuCore;
|
|
}
|
|
}
|
|
else if ((affinityMask & (1UL << preferredCore)) == 0)
|
|
{
|
|
return KernelResult.InvalidCombination;
|
|
}
|
|
}
|
|
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
return thread.SetCoreAndAffinityMask(preferredCore, affinityMask);
|
|
}
|
|
|
|
[Svc(0x10)]
|
|
public int GetCurrentProcessorNumber()
|
|
{
|
|
return KernelStatic.GetCurrentThread().CurrentCore;
|
|
}
|
|
|
|
[Svc(0x25)]
|
|
public Result GetThreadId(out ulong threadUid, int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread != null)
|
|
{
|
|
threadUid = thread.ThreadUid;
|
|
|
|
return Result.Success;
|
|
}
|
|
else
|
|
{
|
|
threadUid = 0;
|
|
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
}
|
|
|
|
[Svc(0x32)]
|
|
public Result SetThreadActivity(int handle, bool pause)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetObject<KThread>(handle);
|
|
|
|
if (thread == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (thread.Owner != process)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (thread == KernelStatic.GetCurrentThread())
|
|
{
|
|
return KernelResult.InvalidThread;
|
|
}
|
|
|
|
return thread.SetActivity(pause);
|
|
}
|
|
|
|
[Svc(0x33)]
|
|
public Result GetThreadContext3([PointerSized] ulong address, int handle)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
KThread thread = currentProcess.HandleTable.GetObject<KThread>(handle);
|
|
|
|
if (thread == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (thread.Owner != currentProcess)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
if (currentThread == thread)
|
|
{
|
|
return KernelResult.InvalidThread;
|
|
}
|
|
|
|
Result result = thread.GetThreadContext3(out ThreadContext context);
|
|
|
|
if (result == Result.Success)
|
|
{
|
|
return KernelTransfer.KernelToUser(address, context)
|
|
? Result.Success
|
|
: KernelResult.InvalidMemState;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// Thread synchronization
|
|
|
|
[Svc(0x18)]
|
|
public Result WaitSynchronization(out int handleIndex, [PointerSized] ulong handlesPtr, int handlesCount, long timeout)
|
|
{
|
|
handleIndex = 0;
|
|
|
|
if ((uint)handlesCount > KThread.MaxWaitSyncObjects)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
if (handlesCount != 0)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (currentProcess.MemoryManager.AddrSpaceStart > handlesPtr)
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
long handlesSize = handlesCount * 4;
|
|
|
|
if (handlesPtr + (ulong)handlesSize <= handlesPtr)
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
if (handlesPtr + (ulong)handlesSize - 1 > currentProcess.MemoryManager.AddrSpaceEnd - 1)
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
Span<int> handles = new Span<int>(currentThread.WaitSyncHandles).Slice(0, handlesCount);
|
|
|
|
if (!KernelTransfer.UserToKernelArray(handlesPtr, handles))
|
|
{
|
|
return KernelResult.UserCopyFailed;
|
|
}
|
|
|
|
return WaitSynchronization(out handleIndex, handles, timeout);
|
|
}
|
|
|
|
return WaitSynchronization(out handleIndex, ReadOnlySpan<int>.Empty, timeout);
|
|
}
|
|
|
|
public Result WaitSynchronization(out int handleIndex, ReadOnlySpan<int> handles, long timeout)
|
|
{
|
|
handleIndex = 0;
|
|
|
|
if ((uint)handles.Length > KThread.MaxWaitSyncObjects)
|
|
{
|
|
return KernelResult.MaximumExceeded;
|
|
}
|
|
|
|
KThread currentThread = KernelStatic.GetCurrentThread();
|
|
|
|
var syncObjs = new Span<KSynchronizationObject>(currentThread.WaitSyncObjects).Slice(0, handles.Length);
|
|
|
|
if (handles.Length != 0)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
int processedHandles = 0;
|
|
|
|
for (; processedHandles < handles.Length; processedHandles++)
|
|
{
|
|
KSynchronizationObject syncObj = currentProcess.HandleTable.GetObject<KSynchronizationObject>(handles[processedHandles]);
|
|
|
|
if (syncObj == null)
|
|
{
|
|
break;
|
|
}
|
|
|
|
syncObjs[processedHandles] = syncObj;
|
|
|
|
syncObj.IncrementReferenceCount();
|
|
}
|
|
|
|
if (processedHandles != handles.Length)
|
|
{
|
|
// One or more handles are invalid.
|
|
for (int index = 0; index < processedHandles; index++)
|
|
{
|
|
currentThread.WaitSyncObjects[index].DecrementReferenceCount();
|
|
}
|
|
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
}
|
|
|
|
if (timeout > 0)
|
|
{
|
|
timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
|
|
}
|
|
|
|
Result result = _context.Synchronization.WaitFor(syncObjs, timeout, out handleIndex);
|
|
|
|
if (result == KernelResult.PortRemoteClosed)
|
|
{
|
|
result = Result.Success;
|
|
}
|
|
|
|
for (int index = 0; index < handles.Length; index++)
|
|
{
|
|
currentThread.WaitSyncObjects[index].DecrementReferenceCount();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
[Svc(0x19)]
|
|
public Result CancelSynchronization(int handle)
|
|
{
|
|
KProcess process = KernelStatic.GetCurrentProcess();
|
|
|
|
KThread thread = process.HandleTable.GetKThread(handle);
|
|
|
|
if (thread == null)
|
|
{
|
|
return KernelResult.InvalidHandle;
|
|
}
|
|
|
|
thread.CancelSynchronization();
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x1a)]
|
|
public Result ArbitrateLock(int ownerHandle, [PointerSized] ulong mutexAddress, int requesterHandle)
|
|
{
|
|
if (IsPointingInsideKernel(mutexAddress))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (IsAddressNotWordAligned(mutexAddress))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
return currentProcess.AddressArbiter.ArbitrateLock(ownerHandle, mutexAddress, requesterHandle);
|
|
}
|
|
|
|
[Svc(0x1b)]
|
|
public Result ArbitrateUnlock([PointerSized] ulong mutexAddress)
|
|
{
|
|
if (IsPointingInsideKernel(mutexAddress))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (IsAddressNotWordAligned(mutexAddress))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
return currentProcess.AddressArbiter.ArbitrateUnlock(mutexAddress);
|
|
}
|
|
|
|
[Svc(0x1c)]
|
|
public Result WaitProcessWideKeyAtomic(
|
|
[PointerSized] ulong mutexAddress,
|
|
[PointerSized] ulong condVarAddress,
|
|
int handle,
|
|
long timeout)
|
|
{
|
|
if (IsPointingInsideKernel(mutexAddress))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (IsAddressNotWordAligned(mutexAddress))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (timeout > 0)
|
|
{
|
|
timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
|
|
}
|
|
|
|
return currentProcess.AddressArbiter.WaitProcessWideKeyAtomic(
|
|
mutexAddress,
|
|
condVarAddress,
|
|
handle,
|
|
timeout);
|
|
}
|
|
|
|
[Svc(0x1d)]
|
|
public Result SignalProcessWideKey([PointerSized] ulong address, int count)
|
|
{
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
currentProcess.AddressArbiter.SignalProcessWideKey(address, count);
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
[Svc(0x34)]
|
|
public Result WaitForAddress([PointerSized] ulong address, ArbitrationType type, int value, long timeout)
|
|
{
|
|
if (IsPointingInsideKernel(address))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (IsAddressNotWordAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
if (timeout > 0)
|
|
{
|
|
timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
|
|
}
|
|
|
|
return type switch
|
|
{
|
|
ArbitrationType.WaitIfLessThan
|
|
=> currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, false, timeout),
|
|
ArbitrationType.DecrementAndWaitIfLessThan
|
|
=> currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, true, timeout),
|
|
ArbitrationType.WaitIfEqual
|
|
=> currentProcess.AddressArbiter.WaitForAddressIfEqual(address, value, timeout),
|
|
_ => KernelResult.InvalidEnumValue,
|
|
};
|
|
}
|
|
|
|
[Svc(0x35)]
|
|
public Result SignalToAddress([PointerSized] ulong address, SignalType type, int value, int count)
|
|
{
|
|
if (IsPointingInsideKernel(address))
|
|
{
|
|
return KernelResult.InvalidMemState;
|
|
}
|
|
|
|
if (IsAddressNotWordAligned(address))
|
|
{
|
|
return KernelResult.InvalidAddress;
|
|
}
|
|
|
|
KProcess currentProcess = KernelStatic.GetCurrentProcess();
|
|
|
|
return type switch
|
|
{
|
|
SignalType.Signal
|
|
=> currentProcess.AddressArbiter.Signal(address, count),
|
|
SignalType.SignalAndIncrementIfEqual
|
|
=> currentProcess.AddressArbiter.SignalAndIncrementIfEqual(address, value, count),
|
|
SignalType.SignalAndModifyIfEqual
|
|
=> currentProcess.AddressArbiter.SignalAndModifyIfEqual(address, value, count),
|
|
_ => KernelResult.InvalidEnumValue
|
|
};
|
|
}
|
|
|
|
[Svc(0x36)]
|
|
public Result SynchronizePreemptionState()
|
|
{
|
|
KernelStatic.GetCurrentThread().SynchronizePreemptionState();
|
|
|
|
return Result.Success;
|
|
}
|
|
|
|
private static bool IsPointingInsideKernel(ulong address)
|
|
{
|
|
return (address + 0x1000000000) < 0xffffff000;
|
|
}
|
|
|
|
private static bool IsAddressNotWordAligned(ulong address)
|
|
{
|
|
return (address & 3) != 0;
|
|
}
|
|
}
|
|
} |