[src/trunk]: src/sys/arch/arm/arm32 support ARM32_MMAP_WRITECOMBINE for manag...

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

details:   https://anonhg.NetBSD.org/src/rev/01f60f39b410
branches:  trunk
changeset: 784631:01f60f39b410
user:      macallan <macallan%NetBSD.org@localhost>
date:      Mon Feb 04 13:37:30 2013 +0000

description:
support ARM32_MMAP_WRITECOMBINE for managed pages as well

diffstat:

 sys/arch/arm/arm32/pmap.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r e1e57c6784dd -r 01f60f39b410 sys/arch/arm/arm32/pmap.c
--- a/sys/arch/arm/arm32/pmap.c Mon Feb 04 13:26:19 2013 +0000
+++ b/sys/arch/arm/arm32/pmap.c Mon Feb 04 13:37:30 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.251 2013/02/01 15:02:31 matt Exp $  */
+/*     $NetBSD: pmap.c,v 1.252 2013/02/04 13:37:30 macallan Exp $      */
 
 /*
  * Copyright 2003 Wasabi Systems, Inc.
@@ -212,7 +212,7 @@
 #include <arm/cpuconf.h>
 #include <arm/arm32/katelib.h>
 
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.251 2013/02/01 15:02:31 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.252 2013/02/04 13:37:30 macallan Exp $");
 
 #ifdef PMAP_DEBUG
 
@@ -2862,7 +2862,10 @@
                        npte |= L2_TYPE_INV;
                }
 
-               npte |= pte_l2_s_cache_mode;
+               if (flags & ARM32_MMAP_WRITECOMBINE) {
+                       npte |= pte_l2_s_wc_mode;
+               } else
+                       npte |= pte_l2_s_cache_mode;
 
                if (pg == opg) {
                        /*