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From: Kip Macy <kmacy@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 93680 for review
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http://perforce.freebsd.org/chv.cgi?CH=93680

Change 93680 by kmacy@kmacy_storage:sun4vtmp on 2006/03/21 03:06:07

	implement get and clear bit functions

Affected files ...

.. //depot/projects/kmacy_sun4v/src/sys/sun4v/sun4v/tte.c#3 edit

Differences ...

==== //depot/projects/kmacy_sun4v/src/sys/sun4v/sun4v/tte.c#3 (text+ko) ====

@@ -117,7 +117,12 @@
 void 
 tte_clear_virt_bit(struct pmap *pmap, vm_offset_t va, uint64_t flags)
 {
-	UNIMPLEMENTED;
+	tte_t *tte;
+
+	tte = tte_hash_lookup(pmap->pm_hash, va);
+
+	if (tte)
+		*tte = *tte & ~flags;
 }
 
 void 
@@ -129,6 +134,11 @@
 boolean_t 
 tte_get_virt_bit(struct pmap *pmap, vm_offset_t va, uint64_t flags)
 {
-	UNIMPLEMENTED;
-	return (FALSE);
+	tte_t ttedata, *tte;
+	
+	tte = tte_hash_lookup(pmap->pm_hash, va);
+	
+	ttedata = tte ? *tte : 0; 
+
+	return ((ttedata & flags) == flags);
 }