mirror of
https://github.com/GreemDev/Ryujinx.git
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4e430760b4
* Implement NPDM files parser (Currently not used in Ryujinx) * Add credits * Add Swap32 * Update Npdm.cs * Update ACI0.cs * Update ACID.cs * Update Npdm.cs * Update EndianSwap.cs * Update ACI0.cs * Update ACID.cs * Update KernelAccessControl.cs * Update NpdmInfo.cs * Update ServiceAccessControl.cs * Update NpdmInfo.cs
208 lines
6.6 KiB
C#
208 lines
6.6 KiB
C#
using System.Collections.Generic;
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using System.IO;
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namespace Ryujinx.HLE.Loaders.Npdm
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{
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public class KernelAccessControlIRQ
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{
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public uint IRQ0;
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public uint IRQ1;
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}
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public class KernelAccessControlMMIO
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{
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public ulong Address;
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public ulong Size;
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public bool IsRO;
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public bool IsNormal;
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}
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public class KernelAccessControlItems
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{
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public bool HasKernelFlags;
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public uint LowestThreadPriority;
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public uint HighestThreadPriority;
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public uint LowestCpuId;
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public uint HighestCpuId;
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public bool HasSVCFlags;
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public int[] SVCsAllowed;
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public List<KernelAccessControlMMIO> NormalMMIO;
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public List<KernelAccessControlMMIO> PageMMIO;
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public List<KernelAccessControlIRQ> IRQ;
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public bool HasApplicationType;
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public int ApplicationType;
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public bool HasKernelVersion;
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public int KernelVersionRelease;
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public bool HasHandleTableSize;
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public int HandleTableSize;
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public bool HasDebugFlags;
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public bool AllowDebug;
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public bool ForceDebug;
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}
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public class KernelAccessControl
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{
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public KernelAccessControlItems[] Items;
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public KernelAccessControl(Stream FSAccessControlsStream, int Offset, int Size)
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{
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FSAccessControlsStream.Seek(Offset, SeekOrigin.Begin);
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BinaryReader Reader = new BinaryReader(FSAccessControlsStream);
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Items = new KernelAccessControlItems[Size / 4];
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for (int i = 0; i < Size / 4; i++)
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{
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uint Descriptor = Reader.ReadUInt32();
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if (Descriptor == 0xFFFFFFFF) //Ignore the descriptor
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{
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continue;
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}
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Items[i] = new KernelAccessControlItems();
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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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case 3: // Kernel flags
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{
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Items[i].HasKernelFlags = true;
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Items[i].HighestThreadPriority = Descriptor & 0x3F;
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Items[i].LowestThreadPriority = (Descriptor >> 6) & 0x3F;
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Items[i].LowestCpuId = (Descriptor >> 12) & 0xFF;
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Items[i].HighestCpuId = (Descriptor >> 20) & 0xFF;
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break;
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}
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case 4: // Syscall mask
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{
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Items[i].HasSVCFlags = true;
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Items[i].SVCsAllowed = new int[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[i].SVCsAllowed[SysCallBase + SysCall] = (int)Descriptor & 1;
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Descriptor >>= 1;
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}
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break;
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}
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case 6: // Map IO/Normal - Never tested.
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{
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KernelAccessControlMMIO TempNormalMMIO = new KernelAccessControlMMIO
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{
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Address = (Descriptor & 0xFFFFFF) << 12,
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IsRO = (Descriptor >> 24) != 0
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};
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if (i == 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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TempNormalMMIO.Size = (Descriptor & 0xFFFFFF) << 12;
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TempNormalMMIO.IsNormal = (Descriptor >> 24) != 0;
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Items[i].NormalMMIO.Add(TempNormalMMIO);
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i++;
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break;
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}
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case 7: // Map Normal Page - Never tested.
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{
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KernelAccessControlMMIO TempPageMMIO = new KernelAccessControlMMIO
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{
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Address = Descriptor << 12,
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Size = 0x1000,
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IsRO = false,
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IsNormal = false
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};
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Items[i].PageMMIO.Add(TempPageMMIO);
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break;
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}
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case 11: // IRQ Pair - Never tested.
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{
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KernelAccessControlIRQ TempIRQ = new KernelAccessControlIRQ
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{
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IRQ0 = Descriptor & 0x3FF,
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IRQ1 = (Descriptor >> 10) & 0x3FF
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};
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break;
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}
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case 13: // App Type
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{
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Items[i].HasApplicationType = true;
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Items[i].ApplicationType = (int)Descriptor & 7;
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break;
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}
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case 14: // Kernel Release Version
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{
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Items[i].HasKernelVersion = true;
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Items[i].KernelVersionRelease = (int)Descriptor;
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break;
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}
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case 15: // Handle Table Size
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{
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Items[i].HasHandleTableSize = true;
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Items[i].HandleTableSize = (int)Descriptor;
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break;
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}
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case 16: // Debug Flags
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{
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Items[i].HasDebugFlags = true;
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Items[i].AllowDebug = (Descriptor & 1) != 0;
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Items[i].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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}
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}
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}
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