[src/trunk]: src/sys/kern Add the ability to set an alternate cnmagic in the ...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9470e85b6473
branches:  trunk
changeset: 938376:9470e85b6473
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Mon Sep 07 03:50:41 2020 +0000

description:
Add the ability to set an alternate cnmagic in the kernel config
file, e.g.:

options    CNMAGIC="\"+++++\""

diffstat:

 sys/kern/files.kern  |  4 +++-
 sys/kern/init_main.c |  8 ++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diffs (48 lines):

diff -r 1b80f43bf6bc -r 9470e85b6473 sys/kern/files.kern
--- a/sys/kern/files.kern       Mon Sep 07 03:36:11 2020 +0000
+++ b/sys/kern/files.kern       Mon Sep 07 03:50:41 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.kern,v 1.51 2020/08/14 00:53:16 riastradh Exp $
+#      $NetBSD: files.kern,v 1.52 2020/09/07 03:50:41 thorpej Exp $
 
 #
 # kernel sources
@@ -7,6 +7,8 @@
 defflag        opt_kern.h                      KERN
 defflag        opt_script.h                    SETUIDSCRIPTS FDSCRIPTS
 defflag                                        KASLR
+defparam opt_cnmagic.h                 CNMAGIC
+
 file   conf/debugsyms.c                kern
 file   conf/param.c                    kern
 file   kern/bufq_disksort.c            bufq_disksort
diff -r 1b80f43bf6bc -r 9470e85b6473 sys/kern/init_main.c
--- a/sys/kern/init_main.c      Mon Sep 07 03:36:11 2020 +0000
+++ b/sys/kern/init_main.c      Mon Sep 07 03:50:41 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init_main.c,v 1.529 2020/08/27 14:01:36 riastradh Exp $        */
+/*     $NetBSD: init_main.c,v 1.530 2020/09/07 03:50:41 thorpej Exp $  */
 
 /*-
  * Copyright (c) 2008, 2009, 2019 The NetBSD Foundation, Inc.
@@ -97,8 +97,9 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: init_main.c,v 1.529 2020/08/27 14:01:36 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: init_main.c,v 1.530 2020/09/07 03:50:41 thorpej Exp $");
 
+#include "opt_cnmagic.h"
 #include "opt_ddb.h"
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -295,6 +296,9 @@
         * in case of early panic or other messages.
         */
        consinit();
+#ifdef CNMAGIC
+       cn_set_magic(CNMAGIC);
+#endif
 
        kernel_lock_init();
        once_init();