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[src/trunk]: src/sys/arch/evbarm/evbarm implement boot -d for arm64.



details:   https://anonhg.NetBSD.org/src/rev/2e7cfe40356a
branches:  trunk
changeset: 979215:2e7cfe40356a
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sat Dec 19 21:54:00 2020 +0000

description:
implement boot -d for arm64.

could be done at the end of initarm() except it hangs currently.
this gets you a db> prompt before devices are configured.

ok @skrll.

diffstat:

 sys/arch/evbarm/evbarm/autoconf.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r 0d2b5714acbd -r 2e7cfe40356a sys/arch/evbarm/evbarm/autoconf.c
--- a/sys/arch/evbarm/evbarm/autoconf.c Sat Dec 19 21:48:04 2020 +0000
+++ b/sys/arch/evbarm/evbarm/autoconf.c Sat Dec 19 21:54:00 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: autoconf.c,v 1.22 2018/08/27 09:52:16 jmcneill Exp $   */
+/*     $NetBSD: autoconf.c,v 1.23 2020/12/19 21:54:00 mrg Exp $        */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -30,9 +30,10 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.22 2018/08/27 09:52:16 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.23 2020/12/19 21:54:00 mrg Exp $");
 
 #include "opt_md.h"
+#include "opt_ddb.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -171,6 +172,13 @@
        struct mainbus_attach_args maa;
        struct cfdata *cf;
 
+#ifdef DDB
+       if (boothowto & RB_KDB) {
+               printf("Entering DDB...\n");
+               cpu_Debugger();
+       }
+#endif
+
        (void) splhigh();
 
        for (cf = &cfdata[0]; cf->cf_name; cf++) {



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