[src/trunk]: src/sys/arch/mips/mips Missing in previous; set cache alias mask...

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

details:   https://anonhg.NetBSD.org/src/rev/0b059a7fef99
branches:  trunk
changeset: 484062:0b059a7fef99
user:      soren <soren%NetBSD.org@localhost>
date:      Fri Mar 24 18:15:41 2000 +0000

description:
Missing in previous; set cache alias mask properly on processors with
two-way set associative L1 caches.

diffstat:

 sys/arch/mips/mips/mips_machdep.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (32 lines):

diff -r 24896919b9b0 -r 0b059a7fef99 sys/arch/mips/mips/mips_machdep.c
--- a/sys/arch/mips/mips/mips_machdep.c Fri Mar 24 17:05:30 2000 +0000
+++ b/sys/arch/mips/mips/mips_machdep.c Fri Mar 24 18:15:41 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mips_machdep.c,v 1.68 2000/03/19 19:16:14 soren Exp $  */
+/*     $NetBSD: mips_machdep.c,v 1.69 2000/03/24 18:15:41 soren Exp $  */
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -52,7 +52,7 @@
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: mips_machdep.c,v 1.68 2000/03/19 19:16:14 soren Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mips_machdep.c,v 1.69 2000/03/24 18:15:41 soren Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_compat_ultrix.h"
@@ -588,8 +588,12 @@
                printf("L1 cache: %dKB/%dB Instruction, %dKB/%dB Data",
                    mips_L1ICacheSize / 1024, mips_L1ICacheLSize,
                    mips_L1DCacheSize / 1024, mips_L1DCacheLSize);
-               if (mips3_L1TwoWayCache)
+               if (mips3_L1TwoWayCache) {
                        printf(", two way set associative");
+                       /* One less alias bit with 2 way cache. */
+                       mips_CacheAliasMask =
+                               ((mips_L1DCacheSize/2) - 1) & ~(NBPG - 1);
+               }
                else
                        printf(", direct mapped");
                printf("\n");