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Armeilleure: Fix support for Windows on ARM64 (#5202)

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* Armeilleure: Fix support for Windows on ARM64

Tested on Windows DevKit 2023.

* Address gdkchan's comments
This commit is contained in:
Mary 2023-06-03 10:23:51 +02:00 committed by GitHub
parent 8a352df3c6
commit 52cf141874
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 5 deletions
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22
src/ARMeilleure/Translation/Cache/JitCache.cs
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@ -6,10 +6,11 @@ using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
namespace ARMeilleure.Translation.Cache
{
static class JitCache
static partial class JitCache
{
private const int PageSize = 4 * 1024;
private const int PageMask = PageSize - 1;
@ -27,6 +28,10 @@ namespace ARMeilleure.Translation.Cache
private static readonly object _lock = new object();
private static bool _initialized;
[SupportedOSPlatform("windows")]
[LibraryImport("kernel32.dll", SetLastError = true)]
public static partial IntPtr FlushInstructionCache(IntPtr hProcess, IntPtr lpAddress, UIntPtr dwSize);
public static void Initialize(IJitMemoryAllocator allocator)
{
if (_initialized) return;
@ -36,7 +41,11 @@ namespace ARMeilleure.Translation.Cache
if (_initialized) return;
_jitRegion = new ReservedRegion(allocator, CacheSize);
_jitCacheInvalidator = new JitCacheInvalidation(allocator);
if (!OperatingSystem.IsWindows() && !OperatingSystem.IsMacOS())
{
_jitCacheInvalidator = new JitCacheInvalidation(allocator);
}
_cacheAllocator = new CacheMemoryAllocator(CacheSize);
@ -77,7 +86,14 @@ namespace ARMeilleure.Translation.Cache
Marshal.Copy(code, 0, funcPtr, code.Length);
ReprotectAsExecutable(funcOffset, code.Length);
_jitCacheInvalidator.Invalidate(funcPtr, (ulong)code.Length);
if (OperatingSystem.IsWindows() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
{
FlushInstructionCache(Process.GetCurrentProcess().Handle, funcPtr, (UIntPtr)code.Length);
}
else
{
_jitCacheInvalidator?.Invalidate(funcPtr, (ulong)code.Length);
}
}
Add(funcOffset, code.Length, func.UnwindInfo);

4
src/ARMeilleure/Translation/Cache/JitCacheInvalidation.cs
View file

@ -47,8 +47,8 @@ namespace ARMeilleure.Translation.Cache
public JitCacheInvalidation(IJitMemoryAllocator allocator)
{
// On macOS, a different path is used to write to the JIT cache, which does the invalidation.
if (!OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
// On macOS and Windows, a different path is used to write to the JIT cache, which does the invalidation.
if (RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
{
ulong size = (ulong)_invalidationCode.Length * sizeof(int);
ulong mask = (ulong)ReservedRegion.DefaultGranularity - 1;