1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index ec7fb6e..b83f88e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2026 Richard Qin
+
 TOOLCHAIN_PREFIX := riscv64-linux-gnu-
 CC      := $(TOOLCHAIN_PREFIX)gcc
 CXX     := $(TOOLCHAIN_PREFIX)g++