PERFORCE change 93680 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=93680

Change 93680 by kmacy at 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);
 }