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Implement a new JIT for Arm devices (#6057)

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* Implement a new JIT for Arm devices

* Auto-format

* Make a lot of Assembler members read-only

* More read-only

* Fix more warnings

* ObjectDisposedException.ThrowIf

* New JIT cache for platforms that enforce W^X, currently unused

* Remove unused using

* Fix assert

* Pass memory manager type around

* Safe memory manager mode support + other improvements

* Actual safe memory manager mode masking support

* PR feedback
This commit is contained in:
gdkchan
2024-01-20 11:11:28 -03:00
committed by GitHub
parent 331c07807f
commit 427b7d06b5
135 changed files with 43322 additions and 24 deletions
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6
src/Ryujinx.Cpu/Jit/JitCpuContext.cs
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@@ -13,7 +13,7 @@ namespace Ryujinx.Cpu.Jit
public JitCpuContext(ITickSource tickSource, IMemoryManager memory, bool for64Bit)
{
_tickSource = tickSource;
_translator = new Translator(new JitMemoryAllocator(), memory, for64Bit);
_translator = new Translator(new JitMemoryAllocator(forJit: true), memory, for64Bit);
if (memory.Type.IsHostMapped())
{
@@ -57,5 +57,9 @@ namespace Ryujinx.Cpu.Jit
{
_translator.PrepareCodeRange(address, size);
}
public void Dispose()
{
}
}
}

9
src/Ryujinx.Cpu/Jit/JitMemoryAllocator.cs
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@@ -5,7 +5,14 @@ namespace Ryujinx.Cpu.Jit
{
public class JitMemoryAllocator : IJitMemoryAllocator
{
private readonly MemoryAllocationFlags _jitFlag;
public JitMemoryAllocator(bool forJit = false)
{
_jitFlag = forJit ? MemoryAllocationFlags.Jit : MemoryAllocationFlags.None;
}
public IJitMemoryBlock Allocate(ulong size) => new JitMemoryBlock(size, MemoryAllocationFlags.None);
public IJitMemoryBlock Reserve(ulong size) => new JitMemoryBlock(size, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.Jit);
public IJitMemoryBlock Reserve(ulong size) => new JitMemoryBlock(size, MemoryAllocationFlags.Reserve | _jitFlag);
}
}

1
src/Ryujinx.Cpu/Jit/JitMemoryBlock.cs
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@@ -16,6 +16,7 @@ namespace Ryujinx.Cpu.Jit
}
public void Commit(ulong offset, ulong size) => _impl.Commit(offset, size);
public void MapAsRw(ulong offset, ulong size) => _impl.Reprotect(offset, size, MemoryPermission.ReadAndWrite);
public void MapAsRx(ulong offset, ulong size) => _impl.Reprotect(offset, size, MemoryPermission.ReadAndExecute);
public void MapAsRwx(ulong offset, ulong size) => _impl.Reprotect(offset, size, MemoryPermission.ReadWriteExecute);