16 files changed, 38 insertions, 6 deletions
diff --git a/lib/libc/i386/_fpmath.h b/lib/libc/i386/_fpmath.h
index 4f1f5f4a5a16..874439c34b76 100644
--- a/lib/libc/i386/_fpmath.h
+++ b/lib/libc/i386/_fpmath.h
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
  * All rights reserved.
  *
diff --git a/lib/libc/i386/gen/_set_tp.c b/lib/libc/i386/gen/_set_tp.c
index 8a6c9295f5f2..2da48988eb37 100644
--- a/lib/libc/i386/gen/_set_tp.c
+++ b/lib/libc/i386/gen/_set_tp.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 Doug Rabson
  * All rights reserved.
  *
diff --git a/lib/libc/i386/gen/getcontextx.c b/lib/libc/i386/gen/getcontextx.c
index 3c6dd33ef10f..aedf3f021a7f 100644
--- a/lib/libc/i386/gen/getcontextx.c
+++ b/lib/libc/i386/gen/getcontextx.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2011 Konstantin Belousov <kib@FreeBSD.org>
  * All rights reserved.
  *
diff --git a/lib/libc/i386/gen/makecontext.c b/lib/libc/i386/gen/makecontext.c
index 167cb12893dc..d48aeb8dc089 100644
--- a/lib/libc/i386/gen/makecontext.c
+++ b/lib/libc/i386/gen/makecontext.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2001 Daniel M. Eischen <deischen@freebsd.org>
  * All rights reserved.
  *
diff --git a/lib/libc/i386/gen/signalcontext.c b/lib/libc/i386/gen/signalcontext.c
index 877b6556a3f2..35487093a869 100644
--- a/lib/libc/i386/gen/signalcontext.c
+++ b/lib/libc/i386/gen/signalcontext.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Jonathan Mini <mini@freebsd.org>
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_clr_watch.c b/lib/libc/i386/sys/i386_clr_watch.c
index 721c1b8cc46c..885ed7ddc398 100644
--- a/lib/libc/i386/sys/i386_clr_watch.c
+++ b/lib/libc/i386/sys/i386_clr_watch.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright 2000  Brian S. Dean <bsd@bsdhome.com>
  * All Rights Reserved.
  *
diff --git a/lib/libc/i386/sys/i386_get_fsbase.c b/lib/libc/i386/sys/i386_get_fsbase.c
index 24c47648e431..973dea2c31ee 100644
--- a/lib/libc/i386/sys/i386_get_fsbase.c
+++ b/lib/libc/i386/sys/i386_get_fsbase.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Peter Wemm
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_get_gsbase.c b/lib/libc/i386/sys/i386_get_gsbase.c
index f524f310e02c..908a15eed24c 100644
--- a/lib/libc/i386/sys/i386_get_gsbase.c
+++ b/lib/libc/i386/sys/i386_get_gsbase.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Peter Wemm
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_get_ioperm.c b/lib/libc/i386/sys/i386_get_ioperm.c
index 7bc27f812654..1bdabb2794f0 100644
--- a/lib/libc/i386/sys/i386_get_ioperm.c
+++ b/lib/libc/i386/sys/i386_get_ioperm.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 1998 Jonathan Lemon
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_get_ldt.c b/lib/libc/i386/sys/i386_get_ldt.c
index 73d76670bb8b..78dd16cb77b3 100644
--- a/lib/libc/i386/sys/i386_get_ldt.c
+++ b/lib/libc/i386/sys/i386_get_ldt.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  *  Copyright (c) 1993 John Brezak
  *  All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_set_fsbase.c b/lib/libc/i386/sys/i386_set_fsbase.c
index 6b5544641749..daa14591fce6 100644
--- a/lib/libc/i386/sys/i386_set_fsbase.c
+++ b/lib/libc/i386/sys/i386_set_fsbase.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Peter Wemm
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_set_gsbase.c b/lib/libc/i386/sys/i386_set_gsbase.c
index aaf2312d2882..ffb435244b44 100644
--- a/lib/libc/i386/sys/i386_set_gsbase.c
+++ b/lib/libc/i386/sys/i386_set_gsbase.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2005 Peter Wemm
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_set_ioperm.c b/lib/libc/i386/sys/i386_set_ioperm.c
index 258e2af417b0..a18336841b83 100644
--- a/lib/libc/i386/sys/i386_set_ioperm.c
+++ b/lib/libc/i386/sys/i386_set_ioperm.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 1998 Jonathan Lemon
  * All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_set_ldt.c b/lib/libc/i386/sys/i386_set_ldt.c
index 0bb109aee970..7abcc33deb6c 100644
--- a/lib/libc/i386/sys/i386_set_ldt.c
+++ b/lib/libc/i386/sys/i386_set_ldt.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  *  Copyright (c) 1993 John Brezak
  *  All rights reserved.
  *
diff --git a/lib/libc/i386/sys/i386_set_watch.c b/lib/libc/i386/sys/i386_set_watch.c
index cc1b8ed03b7c..181df83ea2a8 100644
--- a/lib/libc/i386/sys/i386_set_watch.c
+++ b/lib/libc/i386/sys/i386_set_watch.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright 2000  Brian S. Dean <bsd@bsdhome.com>
  * All Rights Reserved.
  *
diff --git a/lib/libc/i386/sys/i386_vm86.c b/lib/libc/i386/sys/i386_vm86.c
index c007608e6220..90d90242d4a0 100644
--- a/lib/libc/i386/sys/i386_vm86.c
+++ b/lib/libc/i386/sys/i386_vm86.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 1998 Jonathan Lemon
  * All rights reserved.
  *