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Recolor pages as we disocver the cache sizes.

This commit is contained in:
thorpej 2001-09-21 19:26:20 +00:00
parent d7dfccde8e
commit 559632229e
1 changed files with 27 additions and 4 deletions
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31
sys/arch/sparc64/sparc64/cpu.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.14 2001/09/10 21:19:26 chris Exp $ */
/* $NetBSD: cpu.c,v 1.15 2001/09/21 19:26:20 thorpej Exp $ */
/*
* Copyright (c) 1996
@ -238,6 +238,7 @@ cpu_attach(parent, dev, aux)
char fpbuf[40];
register int i, l;
u_int64_t ver;
int bigcache, cachesize;
extern u_int64_t cpu_clockrate[];
/* This needs to be 64-bit aligned */
@ -282,6 +283,8 @@ cpu_attach(parent, dev, aux)
clockfreq(clk), fpuname);
printf(": %s\n", cpu_model);
bigcache = 0;
cacheinfo.c_physical = 1; /* Dunno... */
cacheinfo.c_split = 1;
cacheinfo.ic_linesize = l = getpropint(node, "icache-line-size", 0);
@ -293,7 +296,11 @@ cpu_attach(parent, dev, aux)
cacheinfo.ic_totalsize = l *
getpropint(node, "icache-nlines", 64) *
getpropint(node, "icache-associativity", 1);
cachesize = cacheinfo.ic_totalsize /
getpropint(node, "icache-associativity", 1);
bigcache = cachesize;
cacheinfo.dc_linesize = l =
getpropint(node, "dcache-line-size",0);
for (i = 0; (1 << i) < l && l; i++)
@ -304,7 +311,12 @@ cpu_attach(parent, dev, aux)
cacheinfo.dc_totalsize = l *
getpropint(node, "dcache-nlines", 128) *
getpropint(node, "dcache-associativity", 1);
cachesize = cacheinfo.dc_totalsize /
getpropint(node, "dcache-associativity", 1);
if (cachesize > bigcache)
bigcache = cachesize;
cacheinfo.ec_linesize = l =
getpropint(node, "ecache-line-size", 0);
for (i = 0; (1 << i) < l && l; i++)
@ -315,7 +327,12 @@ cpu_attach(parent, dev, aux)
cacheinfo.ec_totalsize = l *
getpropint(node, "ecache-nlines", 32768) *
getpropint(node, "ecache-associativity", 1);
cachesize = cacheinfo.ec_totalsize /
getpropint(node, "ecache-associativity", 1);
if (cachesize > bigcache)
bigcache = cachesize;
/*
* XXX - The following will have to do until
* we have per-cpu cache handling.
@ -354,6 +371,12 @@ cpu_attach(parent, dev, aux)
}
printf(" \n");
cache_enable();
/*
* Now that we know the size of the largest cache on this CPU,
* re-color our pages.
*/
uvm_page_recolor(atop(bigcache));
}
/*