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bunch of stuff don't push this monstrosity anywhere

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actual stuff don't push this monstrosity anywhere
This commit is contained in:
riperiperi 2023-11-02 19:04:36 +00:00
parent 259f5da0fb
commit 59d6ceb9ee
31 changed files with 513 additions and 77 deletions
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70
src/Ryujinx.Memory/MemoryManagementUnix.cs
View file

@ -1,5 +1,6 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using static Ryujinx.Memory.MemoryManagerUnixHelper;
@ -8,6 +9,7 @@ namespace Ryujinx.Memory
{
[SupportedOSPlatform("linux")]
[SupportedOSPlatform("macos")]
[SupportedOSPlatform("ios")]
static class MemoryManagementUnix
{
private static readonly ConcurrentDictionary<IntPtr, ulong> _allocations = new();
@ -40,7 +42,7 @@ namespace Ryujinx.Memory
flags |= MmapFlags.MAP_NORESERVE;
}
if (OperatingSystem.IsMacOSVersionAtLeast(10, 14) && forJit)
if (OperatingSystem.IsMacOS() && OperatingSystem.IsMacOSVersionAtLeast(10, 14) && forJit)
{
flags |= MmapFlags.MAP_JIT_DARWIN;
@ -57,6 +59,11 @@ namespace Ryujinx.Memory
throw new SystemException(Marshal.GetLastPInvokeErrorMessage());
}
if (OperatingSystem.IsIOS() && forJit)
{
MachJitWorkaround.ReallocateAreaWithOwnership(ptr, (int)size);
}
if (!_allocations.TryAdd(ptr, size))
{
// This should be impossible, kernel shouldn't return an already mapped address.
@ -70,7 +77,7 @@ namespace Ryujinx.Memory
{
MmapProts prot = MmapProts.PROT_READ | MmapProts.PROT_WRITE;
if (OperatingSystem.IsMacOSVersionAtLeast(10, 14) && forJit)
if ((OperatingSystem.IsIOS() || OperatingSystem.IsMacOSVersionAtLeast(10, 14)) && forJit)
{
prot |= MmapProts.PROT_EXEC;
}
@ -134,11 +141,21 @@ namespace Ryujinx.Memory
return munmap(address, size) == 0;
}
private static Dictionary<IntPtr, ulong> _sharedMemorySizes = new Dictionary<nint, ulong>();
public unsafe static IntPtr CreateSharedMemory(ulong size, bool reserve)
{
int fd;
if (OperatingSystem.IsMacOS())
if (OperatingSystem.IsIOS())
{
IntPtr baseAddress = MachJitWorkaround.AllocateSharedMemory(size, reserve);
_sharedMemorySizes.Add(baseAddress, size);
return baseAddress;
}
else if (OperatingSystem.IsMacOS())
{
byte[] memName = "Ryujinx-XXXXXX"u8.ToArray();
@ -185,27 +202,64 @@ namespace Ryujinx.Memory
public static void DestroySharedMemory(IntPtr handle)
{
close(handle.ToInt32());
if (OperatingSystem.IsIOS())
{
if (_sharedMemorySizes.TryGetValue(handle, out ulong size))
{
MachJitWorkaround.DestroySharedMemory(handle, size);
}
}
else
{
close(handle.ToInt32());
}
}
public static IntPtr MapSharedMemory(IntPtr handle, ulong size)
{
return Mmap(IntPtr.Zero, size, MmapProts.PROT_READ | MmapProts.PROT_WRITE, MmapFlags.MAP_SHARED, handle.ToInt32(), 0);
if (OperatingSystem.IsIOS())
{
// The base of the shared memory is already mapped - it's the handle.
// Views are remapped from it.
return handle;
}
else
{
return Mmap(IntPtr.Zero, size, MmapProts.PROT_READ | MmapProts.PROT_WRITE, MmapFlags.MAP_SHARED, handle.ToInt32(), 0);
}
}
public static void UnmapSharedMemory(IntPtr address, ulong size)
{
munmap(address, size);
if (!OperatingSystem.IsIOS())
{
munmap(address, size);
}
}
public static void MapView(IntPtr sharedMemory, ulong srcOffset, IntPtr location, ulong size)
{
Mmap(location, size, MmapProts.PROT_READ | MmapProts.PROT_WRITE, MmapFlags.MAP_FIXED | MmapFlags.MAP_SHARED, sharedMemory.ToInt32(), (long)srcOffset);
if (OperatingSystem.IsIOS())
{
MachJitWorkaround.MapView(sharedMemory, srcOffset, location, size);
}
else
{
Mmap(location, size, MmapProts.PROT_READ | MmapProts.PROT_WRITE, MmapFlags.MAP_FIXED | MmapFlags.MAP_SHARED, sharedMemory.ToInt32(), (long)srcOffset);
}
}
public static void UnmapView(IntPtr location, ulong size)
{
Mmap(location, size, MmapProts.PROT_NONE, MmapFlags.MAP_FIXED | MmapFlags.MAP_PRIVATE | MmapFlags.MAP_ANONYMOUS | MmapFlags.MAP_NORESERVE, -1, 0);
if (OperatingSystem.IsIOS())
{
MachJitWorkaround.UnmapView(location, size);
}
else
{
Mmap(location, size, MmapProts.PROT_NONE, MmapFlags.MAP_FIXED | MmapFlags.MAP_PRIVATE | MmapFlags.MAP_ANONYMOUS | MmapFlags.MAP_NORESERVE, -1, 0);
}
}
}
}