86 lines
No EOL
2.3 KiB
C#
86 lines
No EOL
2.3 KiB
C#
using System;
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namespace Ryujinx.HLE.HOS.Services.Am.AppletAE
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{
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class IStorageAccessor : IpcService
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{
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private IStorage _storage;
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public IStorageAccessor(IStorage storage)
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{
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_storage = storage;
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}
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[CommandCmif(0)]
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// GetSize() -> u64
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public ResultCode GetSize(ServiceCtx context)
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{
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context.ResponseData.Write((long)_storage.Data.Length);
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return ResultCode.Success;
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}
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[CommandCmif(10)]
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// Write(u64, buffer<bytes, 0x21>)
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public ResultCode Write(ServiceCtx context)
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{
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if (_storage.IsReadOnly)
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{
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return ResultCode.ObjectInvalid;
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}
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ulong writePosition = context.RequestData.ReadUInt64();
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if (writePosition > (ulong)_storage.Data.Length)
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{
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return ResultCode.OutOfBounds;
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}
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(ulong position, ulong size) = context.Request.GetBufferType0x21();
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size = Math.Min(size, (ulong)_storage.Data.Length - writePosition);
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if (size > 0)
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{
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ulong maxSize = (ulong)_storage.Data.Length - writePosition;
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if (size > maxSize)
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{
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size = maxSize;
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}
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byte[] data = new byte[size];
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context.Memory.Read(position, data);
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Buffer.BlockCopy(data, 0, _storage.Data, (int)writePosition, (int)size);
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}
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return ResultCode.Success;
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}
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[CommandCmif(11)]
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// Read(u64) -> buffer<bytes, 0x22>
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public ResultCode Read(ServiceCtx context)
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{
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ulong readPosition = context.RequestData.ReadUInt64();
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if (readPosition > (ulong)_storage.Data.Length)
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{
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return ResultCode.OutOfBounds;
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}
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(ulong position, ulong size) = context.Request.GetBufferType0x22();
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size = Math.Min(size, (ulong)_storage.Data.Length - readPosition);
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byte[] data = new byte[size];
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Buffer.BlockCopy(_storage.Data, (int)readPosition, data, 0, (int)size);
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context.Memory.Write(position, data);
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return ResultCode.Success;
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}
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}
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} |