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authorJason Wright <jason@cvs.openbsd.org>2002-01-04 22:07:45 +0000
committerJason Wright <jason@cvs.openbsd.org>2002-01-04 22:07:45 +0000
commitec101ddb05cda121d38382a378f6f7a042180a53 (patch)
tree1e1eaf411c34b6bad981ef5989ff83b8d71b46f9 /sys
parent53c829c161c9638d6340ff9cdf2b1f5a01657691 (diff)
Use [eid]cache-size to determine cache sizes and fall back to (?cache-nlines * ?cache-linesize) if it fails (from NetBSD).
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/sparc64/sparc64/cpu.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/sys/arch/sparc64/sparc64/cpu.c b/sys/arch/sparc64/sparc64/cpu.c
index ac956172ed9..4c5f553427e 100644
--- a/sys/arch/sparc64/sparc64/cpu.c
+++ b/sys/arch/sparc64/sparc64/cpu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cpu.c,v 1.5 2001/12/04 23:22:42 art Exp $ */
+/* $OpenBSD: cpu.c,v 1.6 2002/01/04 22:07:44 jason Exp $ */
/* $NetBSD: cpu.c,v 1.13 2001/05/26 21:27:15 chs Exp $ */
/*
@@ -292,10 +292,14 @@ cpu_attach(parent, dev, aux)
if ((1 << i) != l && l)
panic("bad icache line size %d", l);
cacheinfo.ic_l2linesize = i;
- cacheinfo.ic_totalsize = l *
- getpropint(node, "icache-nlines", 64) *
- getpropint(node, "icache-associativity", 1);
-
+ cacheinfo.ic_totalsize =
+ getpropint(node, "icache-size", 0) *
+ getpropint(node, "icache-associativity", 1);
+ if (cacheinfo.ic_totalsize == 0)
+ cacheinfo.ic_totalsize = l *
+ getpropint(node, "icache-nlines", 64) *
+ getpropint(node, "icache-associativity", 1);
+
cacheinfo.dc_linesize = l =
getpropint(node, "dcache-line-size",0);
for (i = 0; (1 << i) < l && l; i++)
@@ -303,9 +307,13 @@ cpu_attach(parent, dev, aux)
if ((1 << i) != l && l)
panic("bad dcache line size %d", l);
cacheinfo.dc_l2linesize = i;
- cacheinfo.dc_totalsize = l *
- getpropint(node, "dcache-nlines", 128) *
- getpropint(node, "dcache-associativity", 1);
+ cacheinfo.dc_totalsize =
+ getpropint(node, "dcache-size", 0) *
+ getpropint(node, "dcache-associativity", 1);
+ if (cacheinfo.dc_totalsize == 0)
+ cacheinfo.dc_totalsize = l *
+ getpropint(node, "dcache-nlines", 128) *
+ getpropint(node, "dcache-associativity", 1);
cacheinfo.ec_linesize = l =
getpropint(node, "ecache-line-size", 0);
@@ -314,9 +322,13 @@ cpu_attach(parent, dev, aux)
if ((1 << i) != l && l)
panic("bad ecache line size %d", l);
cacheinfo.ec_l2linesize = i;
- cacheinfo.ec_totalsize = l *
- getpropint(node, "ecache-nlines", 32768) *
+ cacheinfo.ec_totalsize =
+ getpropint(node, "ecache-size", 0) *
getpropint(node, "ecache-associativity", 1);
+ if (cacheinfo.ec_totalsize == 0)
+ cacheinfo.ec_totalsize = l *
+ getpropint(node, "ecache-nlines", 32768) *
+ getpropint(node, "ecache-associativity", 1);
/*
* XXX - The following will have to do until
@@ -354,7 +366,7 @@ cpu_attach(parent, dev, aux)
(long)cacheinfo.ec_totalsize/1024,
(long)cacheinfo.ec_linesize);
}
- printf(" \n");
+ printf("\n");
cache_enable();
}