2 files changed, 27 insertions, 0 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index fdd084537..b09938de9 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -143,6 +143,7 @@ add_library(core STATIC
     hle/ipc_helpers.h
     hle/kernel/board/nintendo/nx/k_system_control.cpp
     hle/kernel/board/nintendo/nx/k_system_control.h
+    hle/kernel/board/nintendo/nx/secure_monitor.h
     hle/kernel/client_port.cpp
     hle/kernel/client_port.h
     hle/kernel/client_session.cpp
diff --git a/src/core/hle/kernel/board/nintendo/nx/secure_monitor.h b/src/core/hle/kernel/board/nintendo/nx/secure_monitor.h
new file mode 100644
index 000000000..0c366b252
--- /dev/null
+++ b/src/core/hle/kernel/board/nintendo/nx/secure_monitor.h
@@ -0,0 +1,26 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Kernel::Board::Nintendo::Nx::Smc {
+
+enum MemorySize {
+    MemorySize_4GB = 0,
+    MemorySize_6GB = 1,
+    MemorySize_8GB = 2,
+};
+
+enum MemoryArrangement {
+    MemoryArrangement_4GB = 0,
+    MemoryArrangement_4GBForAppletDev = 1,
+    MemoryArrangement_4GBForSystemDev = 2,
+    MemoryArrangement_6GB = 3,
+    MemoryArrangement_6GBForAppletDev = 4,
+    MemoryArrangement_8GB = 5,
+};
+
+} // namespace Kernel::Board::Nintendo::Nx::Smc