add licensing information

4 files changed, 20 insertions, 0 deletions

diff --git a/src/arch/posix/driver/counter.cc b/src/arch/posix/driver/counter.cc
index 17a0f95..dd6196a 100644
--- a/src/arch/posix/driver/counter.cc
+++ b/src/arch/posix/driver/counter.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/counter.h"
 
 Counter counter;
diff --git a/src/arch/posix/driver/gpio.cc b/src/arch/posix/driver/gpio.cc
index 1403aed..148bcdb 100644
--- a/src/arch/posix/driver/gpio.cc
+++ b/src/arch/posix/driver/gpio.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/gpio.h"
 
 GPIO gpio;
diff --git a/src/arch/posix/driver/stdout.cc b/src/arch/posix/driver/stdout.cc
index e409389..a9ceaa4 100644
--- a/src/arch/posix/driver/stdout.cc
+++ b/src/arch/posix/driver/stdout.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/stdout.h"
 #include <stdio.h>
 
diff --git a/src/arch/posix/driver/uptime.cc b/src/arch/posix/driver/uptime.cc
index 00b1d34..5c6ccd4 100644
--- a/src/arch/posix/driver/uptime.cc
+++ b/src/arch/posix/driver/uptime.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/uptime.h"
 #include <time.h>