License

1 files changed, 17 insertions, 0 deletions

diff --git a/rv64cpu/tb/unit/tb_alu.cc b/rv64cpu/tb/unit/tb_alu.cc
index b783815..a9f10b1 100644
--- a/rv64cpu/tb/unit/tb_alu.cc
+++ b/rv64cpu/tb/unit/tb_alu.cc
@@ -1,3 +1,20 @@
+//     Richard CPU
+//     Copyright (C) 2026  Richard Qin
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as published by
+//     the Free Software Foundation, either version 3 of the License, or
+//     (at your option) any later version.
+
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+// File path: tb/unit/tb_alu.cc
+// Description: ALU unit test
 #include "Valu.h"
 #include <cassert>
 #include <cstdint>