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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
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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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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