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using Ryujinx.Cpu;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.SupervisorCall;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.Memory;
using System;
using System.Collections.Concurrent;
using System.Threading;
namespace Ryujinx.HLE.HOS.Kernel
{
class KernelContext : IDisposable
{
public long PrivilegedProcessLowestId { get; set; } = 1;
public long PrivilegedProcessHighestId { get; set; } = 8;
public bool EnableVersionChecks { get; set; }
public bool KernelInitialized { get; }
public bool Running { get; private set; }
public Switch Device { get; }
public MemoryBlock Memory { get; }
public ITickSource TickSource { get; }
public Syscall Syscall { get; }
public SyscallHandler SyscallHandler { get; }
public KResourceLimit ResourceLimit { get; }
public KMemoryManager MemoryManager { get; }
public KMemoryBlockSlabManager LargeMemoryBlockSlabManager { get; }
public KMemoryBlockSlabManager SmallMemoryBlockSlabManager { get; }
public KSlabHeap UserSlabHeapPages { get; }
public KCriticalSection CriticalSection { get; }
public KScheduler[] Schedulers { get; }
public KPriorityQueue PriorityQueue { get; }
public KTimeManager TimeManager { get; }
public KSynchronization Synchronization { get; }
public KContextIdManager ContextIdManager { get; }
public ConcurrentDictionary<ulong, KProcess> Processes { get; }
public ConcurrentDictionary<string, KAutoObject> AutoObjectNames { get; }
public bool ThreadReselectionRequested { get; set; }
private ulong _kipId;
private ulong _processId;
private ulong _threadUid;
public KernelContext(
ITickSource tickSource,
Switch device,
MemoryBlock memory,
MemorySize memorySize,
MemoryArrange memoryArrange)
{
TickSource = tickSource;
Device = device;
Memory = memory;
Running = true;
Syscall = new Syscall(this);
SyscallHandler = new SyscallHandler(this);
ResourceLimit = new KResourceLimit(this);
KernelInit.InitializeResourceLimit(ResourceLimit, memorySize);
MemoryManager = new KMemoryManager(memorySize, memoryArrange);
LargeMemoryBlockSlabManager = new KMemoryBlockSlabManager(KernelConstants.MemoryBlockAllocatorSize * 2);
SmallMemoryBlockSlabManager = new KMemoryBlockSlabManager(KernelConstants.MemoryBlockAllocatorSize);
UserSlabHeapPages = new KSlabHeap(
KernelConstants.UserSlabHeapBase,
KernelConstants.UserSlabHeapItemSize,
KernelConstants.UserSlabHeapSize);
CommitMemory(KernelConstants.UserSlabHeapBase - DramMemoryMap.DramBase, KernelConstants.UserSlabHeapSize);
CriticalSection = new KCriticalSection(this);
Schedulers = new KScheduler[KScheduler.CpuCoresCount];
PriorityQueue = new KPriorityQueue();
TimeManager = new KTimeManager(this);
Synchronization = new KSynchronization(this);
ContextIdManager = new KContextIdManager();
for (int core = 0; core < KScheduler.CpuCoresCount; core++)
{
Schedulers[core] = new KScheduler(this, core);
}
StartPreemptionThread();
KernelInitialized = true;
Processes = new ConcurrentDictionary<ulong, KProcess>();
AutoObjectNames = new ConcurrentDictionary<string, KAutoObject>();
_kipId = KernelConstants.InitialKipId;
_processId = KernelConstants.InitialProcessId;
}
private void StartPreemptionThread()
{
void PreemptionThreadStart()
{
KScheduler.PreemptionThreadLoop(this);
}
new Thread(PreemptionThreadStart) { Name = "HLE.PreemptionThread" }.Start();
}
public void CommitMemory(ulong address, ulong size)
{
ulong alignment = MemoryBlock.GetPageSize();
ulong endAddress = address + size;
address &= ~(alignment - 1);
endAddress = (endAddress + (alignment - 1)) & ~(alignment - 1);
Memory.Commit(address, endAddress - address);
}
public ulong NewThreadUid()
{
return Interlocked.Increment(ref _threadUid) - 1;
}
public ulong NewKipId()
{
return Interlocked.Increment(ref _kipId) - 1;
}
public ulong NewProcessId()
{
return Interlocked.Increment(ref _processId) - 1;
}
public void Dispose()
{
Running = false;
for (int i = 0; i < KScheduler.CpuCoresCount; i++)
{
Schedulers[i].Dispose();
}
TimeManager.Dispose();
}
}
}
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