[src/trunk]: src/sys/arch/sparc64/sparc64 When determining ecache size, try u...

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

details:   https://anonhg.NetBSD.org/src/rev/d864bb7f9950
branches:  trunk
changeset: 519945:d864bb7f9950
user:      matt <matt%NetBSD.org@localhost>
date:      Mon Dec 31 07:30:46 2001 +0000

description:
When determining ecache size, try using ecache-size.  if it doesn't exist,
fallback to the old method (ecache-nlines * ecache-linesize).

diffstat:

 sys/arch/sparc64/sparc64/cpu.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (25 lines):

diff -r 8ae2216aed9f -r d864bb7f9950 sys/arch/sparc64/sparc64/cpu.c
--- a/sys/arch/sparc64/sparc64/cpu.c    Mon Dec 31 07:16:47 2001 +0000
+++ b/sys/arch/sparc64/sparc64/cpu.c    Mon Dec 31 07:30:46 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.c,v 1.16 2001/09/26 20:53:13 eeh Exp $ */
+/*     $NetBSD: cpu.c,v 1.17 2001/12/31 07:30:46 matt Exp $ */
 
 /*
  * Copyright (c) 1996
@@ -324,9 +324,13 @@
        if ((1 << i) != l && l)
                panic("bad ecache line size %d", l);
        cacheinfo.ec_l2linesize = i;
-       cacheinfo.ec_totalsize = l *
-               PROM_getpropint(node, "ecache-nlines", 32768) *
+       cacheinfo.ec_totalsize = 
+               PROM_getpropint(node, "ecache-size", 0) *
                PROM_getpropint(node, "ecache-associativity", 1);
+       if (cacheinfo.ec_totalsize == 0)
+               cacheinfo.ec_totalsize = l *
+                       PROM_getpropint(node, "ecache-nlines", 32768) *
+                       PROM_getpropint(node, "ecache-associativity", 1);
 
        cachesize = cacheinfo.ec_totalsize /
             PROM_getpropint(node, "ecache-associativity", 1);