5 files changed, 10 insertions, 0 deletions
diff --git a/sys/i386/i386/longrun.c b/sys/i386/i386/longrun.c
index 08fe3b1b27b1..d298ba06bacf 100644
--- a/sys/i386/i386/longrun.c
+++ b/sys/i386/i386/longrun.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
  * Copyright (c) 2001 Tamotsu Hattori.
  * Copyright (c) 2001 Mitsuru IWASAKI.
  * All rights reserved.
diff --git a/sys/i386/i386/machdep.c b/sys/i386/i386/machdep.c
index 4ea9a1583b10..68a452208582 100644
--- a/sys/i386/i386/machdep.c
+++ b/sys/i386/i386/machdep.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
  * Copyright (c) 1992 Terrence R. Lambert.
  * Copyright (c) 1982, 1987, 1990 The Regents of the University of California.
  * All rights reserved.
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index d0dbf5162c16..0c2a507a7885 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
  * Copyright (c) 1991 Regents of the University of California.
  * All rights reserved.
  * Copyright (c) 1994 John S. Dyson
diff --git a/sys/i386/i386/trap.c b/sys/i386/i386/trap.c
index 2acdb6cfc4f8..6a112354c19d 100644
--- a/sys/i386/i386/trap.c
+++ b/sys/i386/i386/trap.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
  * Copyright (C) 1994, David Greenman
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c
index 40a84db91818..ec95c80aac78 100644
--- a/sys/i386/i386/vm_machdep.c
+++ b/sys/i386/i386/vm_machdep.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
  * Copyright (c) 1982, 1986 The Regents of the University of California.
  * Copyright (c) 1989, 1990 William Jolitz
  * Copyright (c) 1994 John Dyson