[src/trunk]: src/sys/arch/mips/mips Tidy up some ugly output from mips_page_p...

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

details:   https://anonhg.NetBSD.org/src/rev/0484c2122d13
branches:  trunk
changeset: 934040:0484c2122d13
user:      simonb <simonb%NetBSD.org@localhost>
date:      Thu Jun 04 15:42:31 2020 +0000

description:
Tidy up some ugly output from mips_page_physload() when a segment starts
and finishes in the same page.

diffstat:

 sys/arch/mips/mips/mips_machdep.c |  15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diffs (36 lines):

diff -r b95b4eed30eb -r 0484c2122d13 sys/arch/mips/mips/mips_machdep.c
--- a/sys/arch/mips/mips/mips_machdep.c Thu Jun 04 14:33:28 2020 +0000
+++ b/sys/arch/mips/mips/mips_machdep.c Thu Jun 04 15:42:31 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mips_machdep.c,v 1.281 2020/05/23 11:33:56 simonb Exp $        */
+/*     $NetBSD: mips_machdep.c,v 1.282 2020/06/04 15:42:31 simonb Exp $        */
 
 /*
  * Copyright 2002 Wasabi Systems, Inc.
@@ -111,7 +111,7 @@
  */
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
-__KERNEL_RCSID(0, "$NetBSD: mips_machdep.c,v 1.281 2020/05/23 11:33:56 simonb Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mips_machdep.c,v 1.282 2020/06/04 15:42:31 simonb Exp $");
 
 #define __INTR_PRIVATE
 #include "opt_cputype.h"
@@ -2140,6 +2140,17 @@
                paddr_t segstart = round_page(segs->start);
                const paddr_t segfinish = trunc_page(segs->start + segs->size);
 
+               if (segstart >= segfinish) {
+                       /*
+                        * This is purely cosmetic, to avoid output like
+                        *    phys segment: 0xffffffffffffe000 @ 0xffb6000
+                        * when a segment starts and finishes in the same page.
+                        */
+                       printf("phys segment: %#"PRIxPADDR" @ %#"PRIxPADDR
+                           " (short)\n", (paddr_t)segs->size, segstart);
+                       continue;
+               }
+
                printf("phys segment: %#"PRIxPADDR" @ %#"PRIxPADDR"\n",
                    segfinish - segstart, segstart);