mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-12 10:49:00 +02:00
* Some style fixes and nits on ITimeZoneService * Remove some unneeded usings * Remove the Ryujinx.HLE.OsHle.Handles namespace * Remove hbmenu automatic load on process exit * Rename Ns to Device, rename Os to System, rename SystemState to State * Move Exceptions and Utilities out of OsHle * Rename OsHle to HOS * Rename OsHle folder to HOS * IManagerDisplayService and ISystemDisplayService style fixes * BsdError shouldn't be public * Add a empty new line before using static * Remove unused file * Some style fixes on NPDM * Exit gracefully when the application is closed * Code style fixes on IGeneralService * Add 0x prefix on values printed as hex * Small improvements on finalization code * Move ProcessId and ThreadId out of AThreadState * Rename VFs to FileSystem * FsAccessHeader shouldn't be public. Also fix file names casing * More case changes on NPDM * Remove unused files * Move using to the correct place on NPDM * Use properties on KernelAccessControlMmio * Address PR feedback
173 lines
5.4 KiB
C#
173 lines
5.4 KiB
C#
using Ryujinx.HLE.Exceptions;
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using System;
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using System.Collections.ObjectModel;
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using System.IO;
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namespace Ryujinx.HLE.Loaders.Npdm
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{
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class KernelAccessControl
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{
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public ReadOnlyCollection<KernelAccessControlItem> Items;
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public KernelAccessControl(Stream Stream, int Offset, int Size)
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{
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Stream.Seek(Offset, SeekOrigin.Begin);
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BinaryReader Reader = new BinaryReader(Stream);
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KernelAccessControlItem[] Items = new KernelAccessControlItem[Size / 4];
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for (int Index = 0; Index < Size / 4; Index++)
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{
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uint Descriptor = Reader.ReadUInt32();
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//Ignore the descriptor.
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if (Descriptor == 0xffffffff)
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{
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continue;
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}
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Items[Index] = new KernelAccessControlItem();
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int LowBits = 0;
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while ((Descriptor & 1) != 0)
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{
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Descriptor >>= 1;
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LowBits++;
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}
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Descriptor >>= 1;
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switch (LowBits)
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{
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//Kernel flags.
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case 3:
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{
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Items[Index].HasKernelFlags = true;
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Items[Index].HighestThreadPriority = (Descriptor >> 0) & 0x3f;
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Items[Index].LowestThreadPriority = (Descriptor >> 6) & 0x3f;
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Items[Index].LowestCpuId = (Descriptor >> 12) & 0xff;
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Items[Index].HighestCpuId = (Descriptor >> 20) & 0xff;
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break;
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}
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//Syscall mask.
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case 4:
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{
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Items[Index].HasSvcFlags = true;
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Items[Index].AllowedSvcs = new bool[0x80];
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int SysCallBase = (int)(Descriptor >> 24) * 0x18;
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for (int SysCall = 0; SysCall < 0x18 && SysCallBase + SysCall < 0x80; SysCall++)
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{
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Items[Index].AllowedSvcs[SysCallBase + SysCall] = (Descriptor & 1) != 0;
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Descriptor >>= 1;
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}
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break;
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}
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//Map IO/Normal.
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case 6:
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{
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ulong Address = (Descriptor & 0xffffff) << 12;
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bool IsRo = (Descriptor >> 24) != 0;
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if (Index == Size / 4 - 1)
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{
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throw new InvalidNpdmException("Invalid Kernel Access Control Descriptors!");
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}
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Descriptor = Reader.ReadUInt32();
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if ((Descriptor & 0x7f) != 0x3f)
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{
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throw new InvalidNpdmException("Invalid Kernel Access Control Descriptors!");
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}
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Descriptor >>= 7;
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ulong MmioSize = (Descriptor & 0xffffff) << 12;
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bool IsNormal = (Descriptor >> 24) != 0;
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Items[Index].NormalMmio.Add(new KernelAccessControlMmio(Address, MmioSize, IsRo, IsNormal));
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Index++;
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break;
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}
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//Map Normal Page.
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case 7:
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{
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ulong Address = Descriptor << 12;
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Items[Index].PageMmio.Add(new KernelAccessControlMmio(Address, 0x1000, false, false));
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break;
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}
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//IRQ Pair.
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case 11:
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{
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Items[Index].Irq.Add(new KernelAccessControlIrq(
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(Descriptor >> 0) & 0x3ff,
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(Descriptor >> 10) & 0x3ff));
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break;
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}
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//Application Type.
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case 13:
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{
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Items[Index].HasApplicationType = true;
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Items[Index].ApplicationType = (int)Descriptor & 7;
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break;
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}
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//Kernel Release Version.
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case 14:
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{
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Items[Index].HasKernelVersion = true;
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Items[Index].KernelVersionRelease = (int)Descriptor;
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break;
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}
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//Handle Table Size.
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case 15:
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{
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Items[Index].HasHandleTableSize = true;
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Items[Index].HandleTableSize = (int)Descriptor;
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break;
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}
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//Debug Flags.
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case 16:
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{
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Items[Index].HasDebugFlags = true;
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Items[Index].AllowDebug = ((Descriptor >> 0) & 1) != 0;
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Items[Index].ForceDebug = ((Descriptor >> 1) & 1) != 0;
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break;
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}
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}
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}
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this.Items = Array.AsReadOnly(Items);
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}
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}
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}
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