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in pmap_clear_modify(), we need to clear the TLB_W bit (ie. the hardware

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write-enable bit) to re-enable modify-bit emulation even if we're doing HWREF.
This commit is contained in:
chs 2001-09-18 02:23:14 +00:00
parent a46d6c9e4f
commit ea177e40a8
1 changed files with 2 additions and 2 deletions
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4
sys/arch/sparc64/sparc64/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.109 2001/09/15 07:12:22 eeh Exp $ */
/* $NetBSD: pmap.c,v 1.110 2001/09/18 02:23:14 chs Exp $ */
#undef NO_VCACHE /* Don't forget the locked TLB in dostart */
#define HWREF
/*
@ -2860,7 +2860,7 @@ pmap_clear_modify(pg)
if (data & (TLB_MODIFY))
changed |= 1;
#ifdef HWREF
data &= ~(TLB_MODIFY);
data &= ~(TLB_MODIFY|TLB_W);
#else
data &= ~(TLB_MODIFY|TLB_W|TLB_REAL_W);
#endif