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https://github.com/GreemDev/Ryujinx.git
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ReadBytes function in AMemory, with cleaner range check. (#136)
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parent
39ebb83453
commit
6fe51f9705
12 changed files with 46 additions and 47 deletions
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@ -301,6 +301,15 @@ namespace ChocolArm64.Memory
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return *((ulong*)(RamPtr + (uint)Position));
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}
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public byte[] ReadBytes(long Position, long Size)
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{
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EnsureRangeIsValid(Position, Size, AMemoryPerm.Read);
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byte[] Result = new byte[Size];
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Marshal.Copy((IntPtr)(RamPtr + (uint)Position), Result, 0, (int)Size);
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return Result;
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}
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public Vector128<float> ReadVector8Unchecked(long Position)
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{
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if (Sse2.IsSupported)
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@ -611,6 +620,17 @@ namespace ChocolArm64.Memory
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}
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}
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private void EnsureRangeIsValid(long Position, long Size, AMemoryPerm Perm)
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{
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long EndPos = (Position + Size);
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Position = Position & ~AMemoryMgr.PageMask; //check base of each page
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while (Position < EndPos)
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{
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EnsureAccessIsValid(Position, Perm);
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Position += AMemoryMgr.PageSize;
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}
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}
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public void Dispose()
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{
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Dispose(true);
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@ -22,18 +22,6 @@ namespace ChocolArm64.Memory
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}
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}
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public static byte[] ReadBytes(AMemory Memory, long Position, long Size)
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{
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byte[] Data = new byte[Size];
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for (long Offs = 0; Offs < Size; Offs++)
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{
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Data[Offs] = (byte)Memory.ReadByte(Position + Offs);
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}
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return Data;
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}
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public static void WriteBytes(AMemory Memory, long Position, byte[] Data)
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{
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for (int Offs = 0; Offs < Data.Length; Offs++)
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@ -330,7 +330,7 @@ namespace Ryujinx.Core.Gpu
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{
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Position = GetPhysicalAddress(Position);
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return AMemoryHelper.ReadBytes(Memory, Position, Size);
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return Memory.ReadBytes(Position, Size);
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}
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public void WriteByte(long Position, byte Value)
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@ -233,7 +233,7 @@ namespace Ryujinx.Core.OsHle.Kernel
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{
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KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
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byte[] CmdData = AMemoryHelper.ReadBytes(Memory, CmdPtr, Size);
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byte[] CmdData = Memory.ReadBytes(CmdPtr, Size);
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KSession Session = Process.HandleTable.GetData<KSession>(Handle);
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@ -49,7 +49,7 @@ namespace Ryujinx.Core.OsHle.Services.Am
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Size = MaxSize;
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}
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byte[] Data = AMemoryHelper.ReadBytes(Context.Memory, Position, Size);
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byte[] Data = Context.Memory.ReadBytes(Position, Size);
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Buffer.BlockCopy(Data, 0, Storage.Data, (int)WritePosition, (int)Size);
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}
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@ -75,7 +75,7 @@ namespace Ryujinx.Core.OsHle.Services.Aud
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long Position = Context.Request.SendBuff[0].Position;
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long Size = Context.Request.SendBuff[0].Size;
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byte[] DeviceNameBuffer = AMemoryHelper.ReadBytes(Context.Memory, Position, Size);
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byte[] DeviceNameBuffer = Context.Memory.ReadBytes(Position, Size);
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string DeviceName = Encoding.ASCII.GetString(DeviceNameBuffer);
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@ -160,7 +160,7 @@ namespace Ryujinx.Core.OsHle.Services.Aud
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(long Position, long Size) = Context.Request.GetBufferType0x21();
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byte[] DeviceNameBuffer = AMemoryHelper.ReadBytes(Context.Memory, Position, Size);
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byte[] DeviceNameBuffer = Context.Memory.ReadBytes(Position, Size);
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string DeviceName = Encoding.UTF8.GetString(DeviceNameBuffer);
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@ -69,8 +69,7 @@ namespace Ryujinx.Core.OsHle.Services.Aud
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Context.Memory,
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Context.Request.SendBuff[0].Position);
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byte[] Buffer = AMemoryHelper.ReadBytes(
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Context.Memory,
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byte[] Buffer = Context.Memory.ReadBytes(
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Data.SampleBufferPtr,
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Data.SampleBufferSize);
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@ -102,8 +102,7 @@ namespace Ryujinx.Core.OsHle.Services.Bsd
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//https://github.com/TuxSH/ftpd/blob/switch_pr/source/ftp.c#L1634
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//https://linux.die.net/man/2/poll
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byte[] SentBuffer = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.SendBuff[0].Position,
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byte[] SentBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
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Context.Request.SendBuff[0].Size);
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int SocketId = Get32(SentBuffer, 0);
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@ -152,8 +151,7 @@ namespace Ryujinx.Core.OsHle.Services.Bsd
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int SocketId = Context.RequestData.ReadInt32();
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int SocketFlags = Context.RequestData.ReadInt32();
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byte[] SentBuffer = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.SendBuff[0].Position,
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byte[] SentBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
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Context.Request.SendBuff[0].Size);
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try
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@ -180,12 +178,10 @@ namespace Ryujinx.Core.OsHle.Services.Bsd
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int SocketId = Context.RequestData.ReadInt32();
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int SocketFlags = Context.RequestData.ReadInt32();
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byte[] SentBuffer = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.SendBuff[0].Position,
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byte[] SentBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
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Context.Request.SendBuff[0].Size);
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byte[] AddressBuffer = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.SendBuff[1].Position,
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byte[] AddressBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[1].Position,
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Context.Request.SendBuff[1].Size);
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if (!Sockets[SocketId].Handle.Connected)
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@ -291,8 +287,7 @@ namespace Ryujinx.Core.OsHle.Services.Bsd
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{
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int SocketId = Context.RequestData.ReadInt32();
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byte[] AddressBuffer = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.SendBuff[0].Position,
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byte[] AddressBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
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Context.Request.SendBuff[0].Size);
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try
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@ -316,8 +311,7 @@ namespace Ryujinx.Core.OsHle.Services.Bsd
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{
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int SocketId = Context.RequestData.ReadInt32();
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byte[] AddressBuffer = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.SendBuff[0].Position,
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byte[] AddressBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
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Context.Request.SendBuff[0].Size);
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try
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@ -369,8 +363,7 @@ namespace Ryujinx.Core.OsHle.Services.Bsd
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SocketOptionLevel SocketLevel = (SocketOptionLevel)Context.RequestData.ReadInt32();
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SocketOptionName SocketOptionName = (SocketOptionName)Context.RequestData.ReadInt32();
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byte[] SocketOptionValue = AMemoryHelper.ReadBytes(Context.Memory,
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Context.Request.PtrBuff[0].Position,
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byte[] SocketOptionValue = Context.Memory.ReadBytes(Context.Request.PtrBuff[0].Position,
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Context.Request.PtrBuff[0].Size);
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int OptionValue = Get32(SocketOptionValue, 0);
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@ -62,7 +62,7 @@ namespace Ryujinx.Core.OsHle.Services.FspSrv
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long Offset = Context.RequestData.ReadInt64();
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long Size = Context.RequestData.ReadInt64();
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byte[] Data = AMemoryHelper.ReadBytes(Context.Memory, Position, Size);
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byte[] Data = Context.Memory.ReadBytes(Position, Size);
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BaseStream.Seek(Offset, SeekOrigin.Begin);
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BaseStream.Write(Data, 0, (int)Size);
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@ -23,8 +23,7 @@ namespace Ryujinx.Core.OsHle.Services.Lm
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public long Log(ServiceCtx Context)
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{
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byte[] LogBuffer = AMemoryHelper.ReadBytes(
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Context.Memory,
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byte[] LogBuffer = Context.Memory.ReadBytes(
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Context.Request.PtrBuff[0].Position,
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Context.Request.PtrBuff[0].Size);
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@ -97,8 +97,8 @@ namespace Ryujinx.Core.OsHle.Services.Set
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long ReplyPos = Context.Request.ReceiveBuff[0].Position;
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long ReplySize = Context.Request.ReceiveBuff[0].Size;
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byte[] Class = AMemoryHelper.ReadBytes(Context.Memory, ClassPos, ClassSize);
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byte[] Name = AMemoryHelper.ReadBytes(Context.Memory, NamePos, NameSize);
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byte[] Class = Context.Memory.ReadBytes(ClassPos, ClassSize);
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byte[] Name = Context.Memory.ReadBytes(NamePos, NameSize);
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string AskedSetting = Encoding.ASCII.GetString(Class).Trim('\0') + "!" + Encoding.ASCII.GetString(Name).Trim('\0');
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@ -41,7 +41,7 @@ namespace Ryujinx.Core.OsHle.Services.Vi
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long DataPos = Context.Request.SendBuff[0].Position;
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long DataSize = Context.Request.SendBuff[0].Size;
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byte[] Data = AMemoryHelper.ReadBytes(Context.Memory, DataPos, DataSize);
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byte[] Data = Context.Memory.ReadBytes(DataPos, DataSize);
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Data = Parcel.GetParcelData(Data);
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@ -55,7 +55,7 @@ namespace Ryujinx.Core.OsHle.Services.Vi
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(long DataPos, long DataSize) = Context.Request.GetBufferType0x21();
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byte[] Data = AMemoryHelper.ReadBytes(Context.Memory, DataPos, DataSize);
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byte[] Data = Context.Memory.ReadBytes(DataPos, DataSize);
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Data = Parcel.GetParcelData(Data);
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