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//
// Copyright (c) 2019-2021 Ryujinx
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
using System.Runtime.CompilerServices;
using DspAddress = System.UInt64;
using CpuAddress = System.UInt64;
namespace Ryujinx.Audio.Renderer.Utils
{
/// <summary>
/// The <see cref="Dsp.AudioProcessor"/> memory management
/// </summary>
/// <remarks>This is stub for the most part but is kept to permit LLE if wanted.</remarks>
static class AudioProcessorMemoryManager
{
/// <summary>
/// Map the given <see cref="CpuAddress"/> to the <see cref="Dsp.AudioProcessor"/> address space.
/// </summary>
/// <param name="processHandle">The process owning the CPU memory.</param>
/// <param name="cpuAddress">The <see cref="CpuAddress"/> to map.</param>
/// <param name="size">The size of the CPU memory region to map.</param>
/// <returns>The address on the <see cref="Dsp.AudioProcessor"/> address space.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static DspAddress Map(uint processHandle, CpuAddress cpuAddress, ulong size)
{
return cpuAddress;
}
/// <summary>
/// Unmap the given <see cref="CpuAddress"/> from the <see cref="Dsp.AudioProcessor"/> address space.
/// </summary>
/// <param name="processHandle">The process owning the CPU memory.</param>
/// <param name="cpuAddress">The <see cref="CpuAddress"/> to unmap.</param>
/// <param name="size">The size of the CPU memory region to unmap.</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void Unmap(uint processHandle, CpuAddress cpuAddress, ulong size)
{
}
/// <summary>
/// Invalidate the <see cref="Dsp.AudioProcessor"/> data cache at the given address.
/// </summary>
/// <param name="address">The base DSP address to invalidate</param>
/// <param name="size">The size of the DSP memory region to invalidate.</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void InvalidateDspCache(DspAddress address, ulong size)
{
}
/// <summary>
/// Invalidate the CPU data cache at the given address.
/// </summary>
/// <param name="address">The base <see cref="CpuAddress"/> to invalidate</param>
/// <param name="size">The size of the CPU memory region to invalidate.</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void InvalidateDataCache(CpuAddress address, ulong size)
{
}
}
}
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