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srmmu_cache_flush: switch MMU contexts in all places where it matters. 

(incidentally, this also makes Hypersparc MP machines mostly go).
This commit is contained in:
pk 2003-01-15 16:42:27 +00:00
parent e2dacd3f22
commit 5bb3d93538
1 changed files with 12 additions and 2 deletions
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14
sys/arch/sparc/sparc/cache.c
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@ -1,4 +1,4 @@
/* $NetBSD: cache.c,v 1.73 2003/01/09 12:29:52 pk Exp $ */
/* $NetBSD: cache.c,v 1.74 2003/01/15 16:42:27 pk Exp $ */
/*
* Copyright (c) 1996
@ -760,12 +760,18 @@ srmmu_cache_flush(base, len, ctx)
#endif
if (i < CACHE_FLUSH_MAGIC) {
int octx;
/* cache_flush_page, for i pages */
p = (char *)((int)base & ~baseoff);
ls = CACHEINFO.c_linesize;
i <<= PGSHIFT - CACHEINFO.c_l2linesize;
octx = getcontext4m();
trapoff();
setcontext4m(ctx);
for (; --i >= 0; p += ls)
sta(p, ASI_IDCACHELFP, 0);
setcontext4m(octx);
trapon();
return;
}
baseoff = (u_int)base & SGOFSET;
@ -775,7 +781,11 @@ srmmu_cache_flush(base, len, ctx)
else {
baseoff = (u_int)base & RGOFSET;
i = (baseoff + len + RGOFSET) >> RGSHIFT;
srmmu_vcache_flush_region(VA_VREG(base), ctx);
p = (char *)VA_VREG(base);
while (i--) {
srmmu_vcache_flush_region((int)p, ctx);
p += NBPRG;
}
}
}