1 files changed, 34 insertions, 0 deletions
diff --git a/Ryujinx.Cpu/AppleHv/HvIpaAllocator.cs b/Ryujinx.Cpu/AppleHv/HvIpaAllocator.cs
new file mode 100644
index 00000000..7eefe130
--- /dev/null
+++ b/Ryujinx.Cpu/AppleHv/HvIpaAllocator.cs
@@ -0,0 +1,34 @@
+using System;
+
+namespace Ryujinx.Cpu.AppleHv
+{
+    class HvIpaAllocator
+    {
+        private const ulong AllocationGranule = 1UL << 14;
+        private const ulong IpaRegionSize = 1UL << 35;
+
+        private readonly PrivateMemoryAllocator.Block _block;
+
+        public HvIpaAllocator()
+        {
+            _block = new PrivateMemoryAllocator.Block(null, IpaRegionSize);
+        }
+
+        public ulong Allocate(ulong size, ulong alignment = AllocationGranule)
+        {
+            ulong offset = _block.Allocate(size, alignment);
+
+            if (offset == PrivateMemoryAllocator.InvalidOffset)
+            {
+                throw new InvalidOperationException($"No enough free IPA memory to allocate 0x{size:X} bytes with alignment 0x{alignment:X}.");
+            }
+
+            return offset;
+        }
+
+        public void Free(ulong offset, ulong size)
+        {
+            _block.Free(offset, size);
+        }
+    }
+}
+\ No newline at end of file