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Implement JIT Arm64 backend (#4114)

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* Implement JIT Arm64 backend

* PPTC version bump

* Address some feedback from Arm64 JIT PR

* Address even more PR feedback

* Remove unused IsPageAligned function

* Sync Qc flag before calls

* Fix comment and remove unused enum

* Address riperiperi PR feedback

* Delete Breakpoint IR instruction that was only implemented for Arm64
This commit is contained in:
gdkchan 2023-01-10 19:16:59 -03:00 • committed by GitHub
parent d16288a2a8
commit 5e0f8e8738
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GPG key ID: 4AEE18F83AFDEB23
61 changed files with 10266 additions and 642 deletions
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26
ARMeilleure/Translation/Cache/JitCache.cs
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@ -1,6 +1,7 @@
using ARMeilleure.CodeGen;
using ARMeilleure.CodeGen.Unwinding;
using ARMeilleure.Memory;
using ARMeilleure.Native;
using System;
using System.Collections.Generic;
using System.Diagnostics;
@ -17,6 +18,7 @@ namespace ARMeilleure.Translation.Cache
private const int CacheSize = 2047 * 1024 * 1024;
private static ReservedRegion _jitRegion;
private static JitCacheInvalidation _jitCacheInvalidator;
private static CacheMemoryAllocator _cacheAllocator;
@ -25,8 +27,6 @@ namespace ARMeilleure.Translation.Cache
private static readonly object _lock = new object();
private static bool _initialized;
public static IntPtr Base => _jitRegion.Pointer;
public static void Initialize(IJitMemoryAllocator allocator)
{
if (_initialized) return;
@ -36,6 +36,7 @@ namespace ARMeilleure.Translation.Cache
if (_initialized) return;
_jitRegion = new ReservedRegion(allocator, CacheSize);
_jitCacheInvalidator = new JitCacheInvalidation(allocator);
_cacheAllocator = new CacheMemoryAllocator(CacheSize);
@ -60,11 +61,24 @@ namespace ARMeilleure.Translation.Cache
IntPtr funcPtr = _jitRegion.Pointer + funcOffset;
ReprotectAsWritable(funcOffset, code.Length);
if (OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
{
unsafe
{
fixed (byte *codePtr = code)
{
JitSupportDarwin.Copy(funcPtr, (IntPtr)codePtr, (ulong)code.Length);
}
}
}
else
{
ReprotectAsWritable(funcOffset, code.Length);
Marshal.Copy(code, 0, funcPtr, code.Length);
ReprotectAsExecutable(funcOffset, code.Length);
Marshal.Copy(code, 0, funcPtr, code.Length);
ReprotectAsExecutable(funcOffset, code.Length);
_jitCacheInvalidator.Invalidate(funcPtr, (ulong)code.Length);
}
Add(funcOffset, code.Length, func.UnwindInfo);