Initial Apple Hypervisor based CPU emulation (#4332)

* Initial Apple Hypervisor based CPU emulation implementation * Add UseHypervisor Setting * Add basic MacOS support to Avalonia * Fix initialization * Fix GTK build * Fix/silence warnings * Change exceptions to asserts on HvAddressSpaceRange * Replace DllImport with LibraryImport * Fix LibraryImport * Remove unneeded usings * Revert outdated change * Set DiskCacheLoadState when using hypervisor too * Fix HvExecutionContext PC value * Address PR feedback * Use existing entitlements.xml file on distribution folder --------- Co-authored-by: riperiperi <rhy3756547@hotmail.com>
2023-01-29 08:37:52 -03:00 · 2023-01-29 08:37:52 -03:00 · a53cfdab78
commit a53cfdab78
parent c7f9962dde
33 changed files with 2939 additions and 45 deletions
--- a/Ryujinx.Cpu/AppleHv/HvMemoryBlockAllocator.cs
+++ b/Ryujinx.Cpu/AppleHv/HvMemoryBlockAllocator.cs
@ -0,0 +1,59 @@
+using Ryujinx.Memory;
+using System.Collections.Generic;
+
+namespace Ryujinx.Cpu.AppleHv
+{
+    class HvMemoryBlockAllocator : PrivateMemoryAllocatorImpl<HvMemoryBlockAllocator.Block>
+    {
+        private const ulong InvalidOffset = ulong.MaxValue;
+
+        public class Block : PrivateMemoryAllocator.Block
+        {
+            private readonly HvIpaAllocator _ipaAllocator;
+            public ulong Ipa { get; }
+
+            public Block(HvIpaAllocator ipaAllocator, MemoryBlock memory, ulong size) : base(memory, size)
+            {
+                _ipaAllocator = ipaAllocator;
+
+                lock (ipaAllocator)
+                {
+                    Ipa = ipaAllocator.Allocate(size);
+                }
+
+                HvApi.hv_vm_map((ulong)Memory.Pointer, Ipa, size, hv_memory_flags_t.HV_MEMORY_READ | hv_memory_flags_t.HV_MEMORY_WRITE).ThrowOnError();
+            }
+
+            public override void Destroy()
+            {
+                HvApi.hv_vm_unmap(Ipa, Size).ThrowOnError();
+
+                lock (_ipaAllocator)
+                {
+                    _ipaAllocator.Free(Ipa, Size);
+                }
+
+                base.Destroy();
+            }
+        }
+
+        private readonly HvIpaAllocator _ipaAllocator;
+
+        public HvMemoryBlockAllocator(HvIpaAllocator ipaAllocator, int blockAlignment) : base(blockAlignment, MemoryAllocationFlags.None)
+        {
+            _ipaAllocator = ipaAllocator;
+        }
+
+        public unsafe HvMemoryBlockAllocation Allocate(ulong size, ulong alignment)
+        {
+            var allocation = Allocate(size, alignment, CreateBlock);
+
+            return new HvMemoryBlockAllocation(this, allocation.Block, allocation.Offset, allocation.Size);
+        }
+
+        private Block CreateBlock(MemoryBlock memory, ulong size)
+        {
+            return new Block(_ipaAllocator, memory, size);
+        }
+    }
+}