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Arm64: Cpu feature detection (#4264)

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* Arm64: Cpu feature detection

* Ptc: Add Arm64 feature info

* nits

* simplify CheckSysctlName

* restore some macos flags

* feedback
This commit is contained in:
merry 2023-01-12 07:05:18 +00:00 committed by GitHub
parent fd36c8deca
commit a11784fcbf
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4 changed files with 237 additions and 31 deletions
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185
ARMeilleure/CodeGen/Arm64/HardwareCapabilities.cs Normal file
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@ -0,0 +1,185 @@
using System;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics.Arm;
using System.Runtime.Versioning;
namespace ARMeilleure.CodeGen.Arm64
{
static partial class HardwareCapabilities
{
static HardwareCapabilities()
{
if (!ArmBase.Arm64.IsSupported)
{
return;
}
if (OperatingSystem.IsLinux())
{
LinuxFeatureInfoHwCap = (LinuxFeatureFlagsHwCap)getauxval(AT_HWCAP);
LinuxFeatureInfoHwCap2 = (LinuxFeatureFlagsHwCap2)getauxval(AT_HWCAP2);
}
if (OperatingSystem.IsMacOS())
{
for (int i = 0; i < _sysctlNames.Length; i++)
{
if (CheckSysctlName(_sysctlNames[i]))
{
MacOsFeatureInfo |= (MacOsFeatureFlags)(1 << i);
}
}
}
}
#region Linux
private const ulong AT_HWCAP = 16;
private const ulong AT_HWCAP2 = 26;
[LibraryImport("libc", SetLastError = true)]
private static partial ulong getauxval(ulong type);
[Flags]
public enum LinuxFeatureFlagsHwCap : ulong
{
Fp = 1 << 0,
Asimd = 1 << 1,
Evtstrm = 1 << 2,
Aes = 1 << 3,
Pmull = 1 << 4,
Sha1 = 1 << 5,
Sha2 = 1 << 6,
Crc32 = 1 << 7,
Atomics = 1 << 8,
FpHp = 1 << 9,
AsimdHp = 1 << 10,
CpuId = 1 << 11,
AsimdRdm = 1 << 12,
Jscvt = 1 << 13,
Fcma = 1 << 14,
Lrcpc = 1 << 15,
DcpOp = 1 << 16,
Sha3 = 1 << 17,
Sm3 = 1 << 18,
Sm4 = 1 << 19,
AsimdDp = 1 << 20,
Sha512 = 1 << 21,
Sve = 1 << 22,
AsimdFhm = 1 << 23,
Dit = 1 << 24,
Uscat = 1 << 25,
Ilrcpc = 1 << 26,
FlagM = 1 << 27,
Ssbs = 1 << 28,
Sb = 1 << 29,
Paca = 1 << 30,
Pacg = 1UL << 31
}
[Flags]
public enum LinuxFeatureFlagsHwCap2 : ulong
{
Dcpodp = 1 << 0,
Sve2 = 1 << 1,
SveAes = 1 << 2,
SvePmull = 1 << 3,
SveBitperm = 1 << 4,
SveSha3 = 1 << 5,
SveSm4 = 1 << 6,
FlagM2 = 1 << 7,
Frint = 1 << 8,
SveI8mm = 1 << 9,
SveF32mm = 1 << 10,
SveF64mm = 1 << 11,
SveBf16 = 1 << 12,
I8mm = 1 << 13,
Bf16 = 1 << 14,
Dgh = 1 << 15,
Rng = 1 << 16,
Bti = 1 << 17,
Mte = 1 << 18,
Ecv = 1 << 19,
Afp = 1 << 20,
Rpres = 1 << 21,
Mte3 = 1 << 22,
Sme = 1 << 23,
Sme_i16i64 = 1 << 24,
Sme_f64f64 = 1 << 25,
Sme_i8i32 = 1 << 26,
Sme_f16f32 = 1 << 27,
Sme_b16f32 = 1 << 28,
Sme_f32f32 = 1 << 29,
Sme_fa64 = 1 << 30,
Wfxt = 1UL << 31,
Ebf16 = 1UL << 32,
Sve_Ebf16 = 1UL << 33,
Cssc = 1UL << 34,
Rprfm = 1UL << 35,
Sve2p1 = 1UL << 36
}
public static LinuxFeatureFlagsHwCap LinuxFeatureInfoHwCap { get; } = 0;
public static LinuxFeatureFlagsHwCap2 LinuxFeatureInfoHwCap2 { get; } = 0;
#endregion
#region macOS
[LibraryImport("libSystem.dylib", SetLastError = true)]
private static unsafe partial int sysctlbyname([MarshalAs(UnmanagedType.LPStr)] string name, out int oldValue, ref ulong oldSize, IntPtr newValue, ulong newValueSize);
[SupportedOSPlatform("macos")]
private static bool CheckSysctlName(string name)
{
ulong size = sizeof(int);
if (sysctlbyname(name, out int val, ref size, IntPtr.Zero, 0) == 0 && size == sizeof(int))
{
return val != 0;
}
return false;
}
private static string[] _sysctlNames = new string[]
{
"hw.optional.floatingpoint",
"hw.optional.AdvSIMD",
"hw.optional.arm.FEAT_FP16",
"hw.optional.arm.FEAT_AES",
"hw.optional.arm.FEAT_PMULL",
"hw.optional.arm.FEAT_LSE",
"hw.optional.armv8_crc32",
"hw.optional.arm.FEAT_SHA1",
"hw.optional.arm.FEAT_SHA256"
};
[Flags]
public enum MacOsFeatureFlags
{
Fp = 1 << 0,
AdvSimd = 1 << 1,
Fp16 = 1 << 2,
Aes = 1 << 3,
Pmull = 1 << 4,
Lse = 1 << 5,
Crc32 = 1 << 6,
Sha1 = 1 << 7,
Sha256 = 1 << 8
}
public static MacOsFeatureFlags MacOsFeatureInfo { get; } = 0;
#endregion
public static bool SupportsAdvSimd => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Asimd) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.AdvSimd);
public static bool SupportsAes => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Aes) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.Aes);
public static bool SupportsPmull => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Pmull) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.Pmull);
public static bool SupportsLse => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Atomics) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.Lse);
public static bool SupportsCrc32 => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Crc32) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.Crc32);
public static bool SupportsSha1 => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Sha1) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.Sha1);
public static bool SupportsSha256 => LinuxFeatureInfoHwCap.HasFlag(LinuxFeatureFlagsHwCap.Sha2) || MacOsFeatureInfo.HasFlag(MacOsFeatureFlags.Sha256);
}
}

2
ARMeilleure/Instructions/InstEmitSimdArithmetic.cs
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@ -2556,7 +2556,7 @@ namespace ARMeilleure.Instructions
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
if (Optimizations.UseAdvSimd && false) // Not supported by all Arm CPUs.
if (Optimizations.UseArm64Pmull)
{
InstEmitSimdHelperArm64.EmitVectorBinaryOp(context, Intrinsic.Arm64PmullV);
}

42
ARMeilleure/Optimizations.cs
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@ -1,8 +1,10 @@
using ARMeilleure.CodeGen.X86;
using System.Runtime.Intrinsics.Arm;
namespace ARMeilleure
{
using Arm64HardwareCapabilities = ARMeilleure.CodeGen.Arm64.HardwareCapabilities;
using X86HardwareCapabilities = ARMeilleure.CodeGen.X86.HardwareCapabilities;
public static class Optimizations
{
public static bool FastFP { get; set; } = true;
@ -10,7 +12,8 @@ namespace ARMeilleure
public static bool AllowLcqInFunctionTable { get; set; } = true;
public static bool UseUnmanagedDispatchLoop { get; set; } = true;
public static bool UseAdvSimdIfAvailable { get; set; } = true;
public static bool UseAdvSimdIfAvailable { get; set; } = true;
public static bool UseArm64PmullIfAvailable { get; set; } = true;
public static bool UseSseIfAvailable { get; set; } = true;
public static bool UseSse2IfAvailable { get; set; } = true;
@ -29,25 +32,26 @@ namespace ARMeilleure
public static bool ForceLegacySse
{
get => HardwareCapabilities.ForceLegacySse;
set => HardwareCapabilities.ForceLegacySse = value;
get => X86HardwareCapabilities.ForceLegacySse;
set => X86HardwareCapabilities.ForceLegacySse = value;
}
internal static bool UseAdvSimd => UseAdvSimdIfAvailable && AdvSimd.IsSupported;
internal static bool UseAdvSimd => UseAdvSimdIfAvailable && Arm64HardwareCapabilities.SupportsAdvSimd;
internal static bool UseArm64Pmull => UseArm64PmullIfAvailable && Arm64HardwareCapabilities.SupportsPmull;
internal static bool UseSse => UseSseIfAvailable && HardwareCapabilities.SupportsSse;
internal static bool UseSse2 => UseSse2IfAvailable && HardwareCapabilities.SupportsSse2;
internal static bool UseSse3 => UseSse3IfAvailable && HardwareCapabilities.SupportsSse3;
internal static bool UseSsse3 => UseSsse3IfAvailable && HardwareCapabilities.SupportsSsse3;
internal static bool UseSse41 => UseSse41IfAvailable && HardwareCapabilities.SupportsSse41;
internal static bool UseSse42 => UseSse42IfAvailable && HardwareCapabilities.SupportsSse42;
internal static bool UsePopCnt => UsePopCntIfAvailable && HardwareCapabilities.SupportsPopcnt;
internal static bool UseAvx => UseAvxIfAvailable && HardwareCapabilities.SupportsAvx && !ForceLegacySse;
internal static bool UseF16c => UseF16cIfAvailable && HardwareCapabilities.SupportsF16c;
internal static bool UseFma => UseFmaIfAvailable && HardwareCapabilities.SupportsFma;
internal static bool UseAesni => UseAesniIfAvailable && HardwareCapabilities.SupportsAesni;
internal static bool UsePclmulqdq => UsePclmulqdqIfAvailable && HardwareCapabilities.SupportsPclmulqdq;
internal static bool UseSha => UseShaIfAvailable && HardwareCapabilities.SupportsSha;
internal static bool UseGfni => UseGfniIfAvailable && HardwareCapabilities.SupportsGfni;
internal static bool UseSse => UseSseIfAvailable && X86HardwareCapabilities.SupportsSse;
internal static bool UseSse2 => UseSse2IfAvailable && X86HardwareCapabilities.SupportsSse2;
internal static bool UseSse3 => UseSse3IfAvailable && X86HardwareCapabilities.SupportsSse3;
internal static bool UseSsse3 => UseSsse3IfAvailable && X86HardwareCapabilities.SupportsSsse3;
internal static bool UseSse41 => UseSse41IfAvailable && X86HardwareCapabilities.SupportsSse41;
internal static bool UseSse42 => UseSse42IfAvailable && X86HardwareCapabilities.SupportsSse42;
internal static bool UsePopCnt => UsePopCntIfAvailable && X86HardwareCapabilities.SupportsPopcnt;
internal static bool UseAvx => UseAvxIfAvailable && X86HardwareCapabilities.SupportsAvx && !ForceLegacySse;
internal static bool UseF16c => UseF16cIfAvailable && X86HardwareCapabilities.SupportsF16c;
internal static bool UseFma => UseFmaIfAvailable && X86HardwareCapabilities.SupportsFma;
internal static bool UseAesni => UseAesniIfAvailable && X86HardwareCapabilities.SupportsAesni;
internal static bool UsePclmulqdq => UsePclmulqdqIfAvailable && X86HardwareCapabilities.SupportsPclmulqdq;
internal static bool UseSha => UseShaIfAvailable && X86HardwareCapabilities.SupportsSha;
internal static bool UseGfni => UseGfniIfAvailable && X86HardwareCapabilities.SupportsGfni;
}
}

37
ARMeilleure/Translation/PTC/Ptc.cs
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@ -1,7 +1,6 @@
using ARMeilleure.CodeGen;
using ARMeilleure.CodeGen.Linking;
using ARMeilleure.CodeGen.Unwinding;
using ARMeilleure.CodeGen.X86;
using ARMeilleure.Common;
using ARMeilleure.Memory;
using Ryujinx.Common;
@ -22,12 +21,15 @@ using static ARMeilleure.Translation.PTC.PtcFormatter;
namespace ARMeilleure.Translation.PTC
{
using Arm64HardwareCapabilities = ARMeilleure.CodeGen.Arm64.HardwareCapabilities;
using X86HardwareCapabilities = ARMeilleure.CodeGen.X86.HardwareCapabilities;
class Ptc : IPtcLoadState
{
private const string OuterHeaderMagicString = "PTCohd\0\0";
private const string InnerHeaderMagicString = "PTCihd\0\0";
private const uint InternalVersion = 4114; //! To be incremented manually for each change to the ARMeilleure project.
private const uint InternalVersion = 4264; //! To be incremented manually for each change to the ARMeilleure project.
private const string ActualDir = "0";
private const string BackupDir = "1";
@ -952,11 +954,26 @@ namespace ARMeilleure.Translation.PTC
private static FeatureInfo GetFeatureInfo()
{
return new FeatureInfo(
(uint)HardwareCapabilities.FeatureInfo1Ecx,
(uint)HardwareCapabilities.FeatureInfo1Edx,
(uint)HardwareCapabilities.FeatureInfo7Ebx,
(uint)HardwareCapabilities.FeatureInfo7Ecx);
if (RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
{
return new FeatureInfo(
(ulong)Arm64HardwareCapabilities.LinuxFeatureInfoHwCap,
(ulong)Arm64HardwareCapabilities.LinuxFeatureInfoHwCap2,
(ulong)Arm64HardwareCapabilities.MacOsFeatureInfo,
0);
}
else if (RuntimeInformation.ProcessArchitecture == Architecture.X64)
{
return new FeatureInfo(
(ulong)X86HardwareCapabilities.FeatureInfo1Ecx,
(ulong)X86HardwareCapabilities.FeatureInfo1Edx,
(ulong)X86HardwareCapabilities.FeatureInfo7Ebx,
(ulong)X86HardwareCapabilities.FeatureInfo7Ecx);
}
else
{
return new FeatureInfo(0, 0, 0, 0);
}
}
private byte GetMemoryManagerMode()
@ -976,7 +993,7 @@ namespace ARMeilleure.Translation.PTC
return osPlatform;
}
[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 58*/)]
[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 74*/)]
private struct OuterHeader
{
public ulong Magic;
@ -1007,8 +1024,8 @@ namespace ARMeilleure.Translation.PTC
}
}
[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 16*/)]
private record struct FeatureInfo(uint FeatureInfo0, uint FeatureInfo1, uint FeatureInfo2, uint FeatureInfo3);
[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 32*/)]
private record struct FeatureInfo(ulong FeatureInfo0, ulong FeatureInfo1, ulong FeatureInfo2, ulong FeatureInfo3);
[StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 128*/)]
private struct InnerHeader