Rewrite kernel memory allocator (#3316)

* Rewrite kernel memory allocator

* Remove unused using

* Adjust private static field naming

* Change UlongBitSize to UInt64BitSize

* Fix unused argument, change argument order to be inline with official code and disable random allocation

1 files changed, 22 insertions, 2 deletions

diff --git a/Ryujinx.Common/Utilities/BitUtils.cs b/Ryujinx.Common/Utilities/BitUtils.cs
index b231886f..5c68dc9e 100644
--- a/Ryujinx.Common/Utilities/BitUtils.cs
+++ b/Ryujinx.Common/Utilities/BitUtils.cs
@@ -22,7 +22,17 @@ namespace Ryujinx.Common
 
         public static long AlignUp(long value, int size)
         {
-            return (value + (size - 1)) & -(long)size;
+            return AlignUp(value, (long)size);
+        }
+
+        public static ulong AlignUp(ulong value, ulong size)
+        {
+            return (ulong)AlignUp((long)value, (long)size);
+        }
+
+        public static long AlignUp(long value, long size)
+        {
+            return (value + (size - 1)) & -size;
         }
 
         public static uint AlignDown(uint value, int size)
@@ -42,7 +52,17 @@ namespace Ryujinx.Common
 
         public static long AlignDown(long value, int size)
         {
-            return value & -(long)size;
+            return AlignDown(value, (long)size);
+        }
+
+        public static ulong AlignDown(ulong value, ulong size)
+        {
+            return (ulong)AlignDown((long)value, (long)size);
+        }
+
+        public static long AlignDown(long value, long size)
+        {
+            return value & -size;
         }
 
         public static int DivRoundUp(int value, int dividend)