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Use sparse memory when memory isn't software.

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This commit is contained in:
riperiperi 2024-06-24 20:37:58 +01:00
parent 86f7b09b64
commit aa3b1e8996
4 changed files with 8 additions and 17 deletions
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6
src/ARMeilleure/Common/IAddressTable.cs
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@ -4,12 +4,6 @@ namespace ARMeilleure.Common
{
public interface IAddressTable<TEntry> : IDisposable where TEntry : unmanaged
{
/// <summary>
/// If true, the sparse 2-level table should be used to improve performance.
/// If false, the platform doesn't properly support it, or will be negatively impacted.
/// </summary>
static bool UseSparseTable { get; }
/// <summary>
/// Gets the bits used by the <see cref="Levels"/> of the <see cref="AddressTable{TEntry}"/> instance.
/// </summary>

15
src/Ryujinx.Cpu/AddressTable.cs
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@ -1,3 +1,4 @@
using ARMeilleure.Memory;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Cpu.Signal;
@ -17,12 +18,6 @@ namespace ARMeilleure.Common
/// <typeparam name="TEntry">Type of the value</typeparam>
public unsafe class AddressTable<TEntry> : IAddressTable<TEntry> where TEntry : unmanaged
{
/// <summary>
/// If true, the sparse 2-level table should be used to improve performance.
/// If false, the platform doesn't properly support it, or will be negatively impacted.
/// </summary>
public static bool UseSparseTable => true;
private readonly struct AddressTablePage
{
public readonly bool IsSparse;
@ -177,13 +172,15 @@ namespace ARMeilleure.Common
/// <summary>
/// Create an <see cref="AddressTable{TEntry}"/> instance for an ARM function table.
/// Selects the best table structure for A32/A64, taking into account whether sparse mapping is supported.
/// Selects the best table structure for A32/A64, taking into account the selected memory manager type.
/// </summary>
/// <param name="for64Bits">True if the guest is A64, false otherwise</param>
/// <param name="type">Memory manager type</param>
/// <returns>An <see cref="AddressTable{TEntry}"/> for ARM function lookup</returns>
public static AddressTable<TEntry> CreateForArm(bool for64Bits)
public static AddressTable<TEntry> CreateForArm(bool for64Bits, MemoryManagerType type)
{
bool sparse = UseSparseTable;
// Assume software memory means that we don't want to use any signal handlers.
bool sparse = type != MemoryManagerType.SoftwareMmu && type != MemoryManagerType.SoftwarePageTable;
return new AddressTable<TEntry>(AddressTablePresets.GetArmPreset(for64Bits, sparse), sparse);
}

2
src/Ryujinx.Cpu/Jit/JitCpuContext.cs
View file

@ -15,7 +15,7 @@ namespace Ryujinx.Cpu.Jit
public JitCpuContext(ITickSource tickSource, IMemoryManager memory, bool for64Bit)
{
_tickSource = tickSource;
_functionTable = AddressTable<ulong>.CreateForArm(for64Bit);
_functionTable = AddressTable<ulong>.CreateForArm(for64Bit, memory.Type);
_translator = new Translator(new JitMemoryAllocator(forJit: true), memory, _functionTable);

2
src/Ryujinx.Cpu/LightningJit/LightningJitCpuContext.cs
View file

@ -14,7 +14,7 @@ namespace Ryujinx.Cpu.LightningJit
public LightningJitCpuContext(ITickSource tickSource, IMemoryManager memory, bool for64Bit)
{
_tickSource = tickSource;
_functionTable = AddressTable<ulong>.CreateForArm(for64Bit);
_functionTable = AddressTable<ulong>.CreateForArm(for64Bit, memory.Type);
_translator = new Translator(memory, _functionTable);