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Clear relevant `cpuinfo' fields upon detection of a cloaked TurboSparc.

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This commit is contained in:
pk 1997-07-07 20:43:25 +00:00
parent 64eb899e5a
commit 0360275f33
1 changed files with 40 additions and 4 deletions
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44
sys/arch/sparc/sparc/cpu.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.48 1997/07/07 20:06:46 pk Exp $ */
/* $NetBSD: cpu.c,v 1.49 1997/07/07 20:43:25 pk Exp $ */
/*
* Copyright (c) 1996
@ -305,6 +305,7 @@ void cpumatch_sun4 __P((struct cpu_softc *, struct module_info *, int));
void cpumatch_sun4c __P((struct cpu_softc *, struct module_info *, int));
void cpumatch_viking __P((struct cpu_softc *, struct module_info *, int));
void cpumatch_hypersparc __P((struct cpu_softc *, struct module_info *, int));
void cpumatch_turbosparc __P((struct cpu_softc *, struct module_info *, int));
void getcacheinfo_sun4 __P((struct cpu_softc *, int node));
void getcacheinfo_sun4c __P((struct cpu_softc *, int node));
@ -721,7 +722,7 @@ struct module_info module_swift = { /* UNTESTED */
srmmu_vcache_flush_segment,
srmmu_vcache_flush_region,
srmmu_vcache_flush_context,
noop_pcache_flush_line
srmmu_pcache_flush_line
};
void
@ -745,7 +746,7 @@ struct module_info module_viking = { /* UNTESTED */
noop_vcache_flush_segment,
noop_vcache_flush_region,
noop_vcache_flush_context,
srmmu_pcache_flush_line
noop_pcache_flush_line
};
void
@ -861,7 +862,7 @@ struct module_info module_cypress = { /* UNTESTED */
struct module_info module_turbosparc = { /* UNTESTED */
CPUTYP_MS2,
VAC_WRITEBACK,
0,
cpumatch_turbosparc,
getcacheinfo_obp,
turbosparc_hotfix,
0,
@ -876,6 +877,41 @@ struct module_info module_turbosparc = { /* UNTESTED */
srmmu_pcache_flush_line
};
void
cpumatch_turbosparc(sc, mp, node)
struct cpu_softc *sc;
struct module_info *mp;
int node;
{
int i;
if (node == 0)
return;
i = getpsr();
if (sc->cpu_vers == IU_VERS(i))
return;
/*
* A cloaked Turbosparc: clear any items in cpuinfo that
* might have been set to uS2 versions during bootstrap.
*/
sc->cpu_name = 0;
sc->mmu_ncontext = 0;
sc->cpu_type = 0;
sc->cacheinfo.c_vactype = 0;
sc->hotfix = 0;
sc->mmu_enable = 0;
sc->cache_enable = 0;
sc->get_faultstatus = 0;
sc->cache_flush = 0;
sc->vcache_flush_page = 0;
sc->vcache_flush_segment = 0;
sc->vcache_flush_region = 0;
sc->vcache_flush_context = 0;
sc->pcache_flush_line = 0;
}
void
turbosparc_hotfix(sc)
struct cpu_softc *sc;