1 files changed, 62 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/MemoryConfiguration.cs b/src/Ryujinx.HLE/MemoryConfiguration.cs
new file mode 100644
index 00000000..25044bb5
--- /dev/null
+++ b/src/Ryujinx.HLE/MemoryConfiguration.cs
@@ -0,0 +1,62 @@
+using Ryujinx.HLE.HOS.Kernel.Common;
+using System;
+
+namespace Ryujinx.HLE
+{
+    public enum MemoryConfiguration
+    {
+        MemoryConfiguration4GiB          = 0,
+        MemoryConfiguration4GiBAppletDev = 1,
+        MemoryConfiguration4GiBSystemDev = 2,
+        MemoryConfiguration6GiB          = 3,
+        MemoryConfiguration6GiBAppletDev = 4,
+        MemoryConfiguration8GiB          = 5
+    }
+
+    static class MemoryConfigurationExtensions
+    {
+        private const ulong GiB = 1024 * 1024 * 1024;
+
+        public static MemoryArrange ToKernelMemoryArrange(this MemoryConfiguration configuration)
+        {
+            return configuration switch
+            {
+                MemoryConfiguration.MemoryConfiguration4GiB          => MemoryArrange.MemoryArrange4GiB,
+                MemoryConfiguration.MemoryConfiguration4GiBAppletDev => MemoryArrange.MemoryArrange4GiBAppletDev,
+                MemoryConfiguration.MemoryConfiguration4GiBSystemDev => MemoryArrange.MemoryArrange4GiBSystemDev,
+                MemoryConfiguration.MemoryConfiguration6GiB          => MemoryArrange.MemoryArrange6GiB,
+                MemoryConfiguration.MemoryConfiguration6GiBAppletDev => MemoryArrange.MemoryArrange6GiBAppletDev,
+                MemoryConfiguration.MemoryConfiguration8GiB          => MemoryArrange.MemoryArrange8GiB,
+                _ => throw new AggregateException($"Invalid memory configuration \"{configuration}\".")
+            };
+        }
+
+        public static MemorySize ToKernelMemorySize(this MemoryConfiguration configuration)
+        {
+            return configuration switch
+            {
+                MemoryConfiguration.MemoryConfiguration4GiB or
+                MemoryConfiguration.MemoryConfiguration4GiBAppletDev or
+                MemoryConfiguration.MemoryConfiguration4GiBSystemDev => MemorySize.MemorySize4GiB,
+                MemoryConfiguration.MemoryConfiguration6GiB or
+                MemoryConfiguration.MemoryConfiguration6GiBAppletDev => MemorySize.MemorySize6GiB,
+                MemoryConfiguration.MemoryConfiguration8GiB          => MemorySize.MemorySize8GiB,
+                _ => throw new AggregateException($"Invalid memory configuration \"{configuration}\".")
+            };
+        }
+
+        public static ulong ToDramSize(this MemoryConfiguration configuration)
+        {
+            return configuration switch
+            {
+                MemoryConfiguration.MemoryConfiguration4GiB or
+                MemoryConfiguration.MemoryConfiguration4GiBAppletDev or
+                MemoryConfiguration.MemoryConfiguration4GiBSystemDev => 4 * GiB,
+                MemoryConfiguration.MemoryConfiguration6GiB or
+                MemoryConfiguration.MemoryConfiguration6GiBAppletDev => 6 * GiB,
+                MemoryConfiguration.MemoryConfiguration8GiB          => 8 * GiB,
+                _ => throw new AggregateException($"Invalid memory configuration \"{configuration}\".")
+            };
+        }
+    }
+}
+\ No newline at end of file