--- a/usr/src/cmd/picl/plugins/sun4v/mdesc/cpu_prop_update.c	Wed Jun 18 08:22:31 2008 -0700
+++ b/usr/src/cmd/picl/plugins/sun4v/mdesc/cpu_prop_update.c	Wed Jun 18 11:59:22 2008 -0700
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -204,6 +204,74 @@
 	}
 }
 
+static void
+add_clock_frequency(picl_nodehdl_t pnode, mde_cookie_t mnode)
+{
+	uint64_t	uint64_value;
+	uint32_t	uint32_value;
+
+	if (md_get_prop_val(mdp, mnode, "clock-frequency",
+	    &uint64_value)) {
+		return;
+	}
+	uint32_value = (uint32_t)(uint64_value & UINT32_MAX);
+	add_md_prop(pnode, sizeof (uint32_value), "clock-frequency",
+	    &uint32_value, PICL_PTYPE_UNSIGNED_INT);
+}
+
+/*
+ * Return the number of strings in the buffer
+ */
+static int
+get_string_count(char *strdat, int length)
+{
+	int	count;
+	char	*lastnull;
+	char	*nullptr;
+
+	count = 1;
+	for (lastnull = &strdat[length - 1], nullptr = strchr(strdat, '\0');
+	    nullptr != lastnull; nullptr = strchr(nullptr + 1, '\0'))
+		count++;
+
+	return (count);
+}
+
+static void
+add_compatible(picl_nodehdl_t pnode, mde_cookie_t mnode)
+{
+	char	*compat;
+	int	len;
+	int	count;
+	void	add_string_list_prop(picl_nodehdl_t, char *, char *,
+	    unsigned int);
+
+	if (prop_exists(pnode, "compatible"))
+		return;
+	if (md_get_prop_data(mdp, mnode, "compatible", (uint8_t **)&compat,
+	    &len)) {
+		return;
+	}
+	if (compat[0] == '\0' || compat[len - 1] != '\0')
+		return;
+	count = get_string_count(compat, len);
+	if (count == 1) {
+		add_md_prop(pnode, len, "compatible", compat,
+		    PICL_PTYPE_CHARSTRING);
+		return;
+	}
+	(void) add_string_list_prop(pnode, "compatible", compat, count);
+}
+
+static void
+add_device_type(picl_nodehdl_t pnode)
+{
+	char	*device_type = "cpu";
+
+	add_md_prop(pnode, strlen(device_type) + 1, "device_type", device_type,
+	    PICL_PTYPE_CHARSTRING);
+}
+
 int
 add_cpu_prop(picl_nodehdl_t node, void *args)
 {
@@ -278,6 +346,12 @@
 		add_md_prop(node, sizeof (int_value), OBP_PROP_PORTID,
 		    &int_value, PICL_PTYPE_INT);
 
+		add_clock_frequency(node, cpulistp[x]);
+
+		add_compatible(node, cpulistp[x]);
+
+		add_device_type(node);
+
 		/* get caches for CPU */
 		ncaches = md_scan_dag(mdp, cpulistp[x],
 		    md_find_name(mdp, "cache"),

--- a/usr/src/cmd/picl/plugins/sun4v/mdesc/dr.c	Wed Jun 18 08:22:31 2008 -0700
+++ b/usr/src/cmd/picl/plugins/sun4v/mdesc/dr.c	Wed Jun 18 11:59:22 2008 -0700
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -43,7 +43,7 @@
  * This function is identical to the one in the picldevtree plugin.
  * Unfortunately we can't just reuse that code.
  */
-static int
+int
 add_string_list_prop(picl_nodehdl_t nodeh, char *name, char *strlist,
     unsigned int nrows)
 {
@@ -164,7 +164,7 @@
 
 	for (di_prop = di_prop_next(di_node, DI_PROP_NIL);
 	    di_prop != DI_PROP_NIL;
-		di_prop = di_prop_next(di_node, di_prop)) {
+	    di_prop = di_prop_next(di_node, di_prop)) {
 
 		di_val = di_prop_name(di_prop);
 		di_ptype = di_prop_type(di_prop);
@@ -248,6 +248,36 @@
 }
 
 /*
+ * add OBP_REG property to picl cpu node if it's not already there.
+ */
+static void
+add_reg_prop(picl_nodehdl_t pn, di_node_t dn)
+{
+	int 			reg_prop[SUN4V_CPU_REGSIZE];
+	int 			status;
+	int 			dlen;
+	int			*pdata;
+	ptree_propinfo_t	propinfo;
+
+	status = ptree_get_propval_by_name(pn, OBP_REG, reg_prop,
+	    sizeof (reg_prop));
+	if (status == PICL_SUCCESS) {
+		return;
+	}
+	dlen = di_prom_prop_lookup_ints(ph, dn, OBP_REG, &pdata);
+	if (dlen < 0) {
+		return;
+	}
+	status = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
+	    PICL_PTYPE_BYTEARRAY, PICL_READ, dlen * sizeof (int), OBP_REG,
+	    NULL, NULL);
+	if (status != PICL_SUCCESS) {
+		return;
+	}
+	(void) ptree_create_and_add_prop(pn, &propinfo, pdata, NULL);
+}
+
+/*
  * Create a  picl node of type cpu and fill it.
  * properties are filled from both the device tree and the
  * Machine description.
@@ -267,6 +297,7 @@
 		return (err);
 
 	add_devinfo_props(anodeh, dn);
+	add_reg_prop(anodeh, dn);
 	(void) add_cpu_prop(anodeh, NULL);
 
 	return (err);

--- a/usr/src/cmd/picl/plugins/sun4v/mdesc/mdescplugin.c	Wed Jun 18 08:22:31 2008 -0700
+++ b/usr/src/cmd/picl/plugins/sun4v/mdesc/mdescplugin.c	Wed Jun 18 11:59:22 2008 -0700
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -271,6 +271,13 @@
 	if (mdp == NULL)
 		return;
 
+	/*
+	 * update the cpu configuration in case the snapshot cache used by the
+	 * devtree plugin is out of date.
+	 */
+	(void) update_devices(OBP_CPU, DEV_ADD);
+	(void) update_devices(OBP_CPU, DEV_REMOVE);
+
 	rootnode = md_root_node(mdp);
 
 	/*