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[src/trunk]: src/sys/arch/aarch64/aarch64 Update coherency_unit if needed.



details:   https://anonhg.NetBSD.org/src/rev/d75625bc8012
branches:  trunk
changeset: 835565:d75625bc8012
user:      ryo <ryo%NetBSD.org@localhost>
date:      Wed Aug 29 06:16:40 2018 +0000

description:
Update coherency_unit if needed.

Pointed out by skrll@

diffstat:

 sys/arch/aarch64/aarch64/cpufunc.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r dadf08df046f -r d75625bc8012 sys/arch/aarch64/aarch64/cpufunc.c
--- a/sys/arch/aarch64/aarch64/cpufunc.c        Wed Aug 29 01:58:54 2018 +0000
+++ b/sys/arch/aarch64/aarch64/cpufunc.c        Wed Aug 29 06:16:40 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpufunc.c,v 1.3 2018/08/26 18:15:49 ryo Exp $  */
+/*     $NetBSD: cpufunc.c,v 1.4 2018/08/29 06:16:40 ryo Exp $  */
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.3 2018/08/26 18:15:49 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.4 2018/08/29 06:16:40 ryo Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -135,6 +135,9 @@
                arm_dcache_align = sizeof(int) << arm_dcache_maxline;
                arm_dcache_align_mask = arm_dcache_align - 1;
        }
+       /* update coherency_unit (in param.h) */
+       if (coherency_unit < arm_dcache_align)
+               coherency_unit = arm_dcache_align;
 
        /*
         * CLIDR -  Cache Level ID Register



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