diff --git a/src/basic_uart.rs b/src/basic_uart.rs
index f178574..3380515 100644
--- a/src/basic_uart.rs
+++ b/src/basic_uart.rs
@@ -1,3 +1,9 @@
+// Copyright (c) 2025 taitep
+// SPDX-License-Identifier: MIT
+//
+// This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
+// See LICENSE file in the project root for full license text.
+
 use std::collections::VecDeque;
 use std::io;
 use std::os::fd::AsFd;
diff --git a/src/instructions/rvi/mem.rs b/src/instructions/rvi/mem.rs
index 47eb01d..c948519 100644
--- a/src/instructions/rvi/mem.rs
+++ b/src/instructions/rvi/mem.rs
@@ -1,3 +1,9 @@
+// Copyright (c) 2025 taitep
+// SPDX-License-Identifier: MIT
+//
+// This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
+// See LICENSE file in the project root for full license text.
+
 use crate::{
     consts::{Addr, Byte, DWord, HWord, Word},
     core::Core,