// // 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) { } } }