[src/trunk]: src/sys/arch/arm/arm32 Use cpu_idcache_wbinv_range so we don't n...

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

details:   https://anonhg.NetBSD.org/src/rev/34b8795ecbd7
branches:  trunk
changeset: 789153:34b8795ecbd7
user:      matt <matt%NetBSD.org@localhost>
date:      Fri Aug 09 07:12:42 2013 +0000

description:
Use cpu_idcache_wbinv_range so we don't nuke the entire idcache.
Add a test to make sure we are only modifying movw/movt

diffstat:

 sys/arch/arm/arm32/kobj_machdep.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (36 lines):

diff -r 33ea087efbfe -r 34b8795ecbd7 sys/arch/arm/arm32/kobj_machdep.c
--- a/sys/arch/arm/arm32/kobj_machdep.c Fri Aug 09 07:11:39 2013 +0000
+++ b/sys/arch/arm/arm32/kobj_machdep.c Fri Aug 09 07:12:42 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kobj_machdep.c,v 1.6 2013/08/09 06:00:09 matt Exp $    */
+/*     $NetBSD: kobj_machdep.c,v 1.7 2013/08/09 07:12:42 matt Exp $    */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -52,7 +52,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kobj_machdep.c,v 1.6 2013/08/09 06:00:09 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kobj_machdep.c,v 1.7 2013/08/09 07:12:42 matt Exp $");
 
 #define        ELFSIZE         ARCH_ELFSIZE
 
@@ -120,6 +120,8 @@
 
        case R_ARM_MOVW_ABS_NC:
        case R_ARM_MOVT_ABS:
+               if ((*where & 0x0fb00000) != 0x03000000)
+                       break;
                addr = kobj_sym_lookup(ko, symidx);
                if (addr == 0)
                        break;
@@ -178,7 +180,7 @@
 
        if (load) {
 #ifndef _RUMPKERNEL
-               cpu_idcache_wbinv_all();
+               cpu_idcache_wbinv_range((vaddr_t)base, size);
                cpu_tlb_flushID();
 #endif
        }