Added some code to dump the node tree. This is currently done always

after hardware recognition (but will be moved into a debugger command
later).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10667 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/core/device_manager/device_manager.c

@@ -140,6 +140,14 @@ device_manager_init(struct kernel_args *args)
 
 	pnp_root_init_root();
 
+	{
+		// dump root node
+		pnp_node_info *node = node_list;
+		while (node && node->parent != NULL)
+			node = node->parent;
+		dump_pnp_node_info(node, 0);
+	}
+
 	// build initial device tree; register all root bus_managers
 
 #if 0

src/kernel/core/device_manager/device_manager_private.h

@@ -172,6 +172,7 @@ void pnp_remove_node_ref(pnp_node_info *node);
 void pnp_remove_node_ref_nolock(pnp_node_info *node);
 pnp_node_handle pnp_find_device(pnp_node_handle parent, const pnp_node_attr *attrs);
 pnp_node_handle pnp_get_parent(pnp_node_handle node);
+void dump_pnp_node_info(pnp_node_info *node, int32 level);
 
 
 // notifications.c

src/kernel/core/device_manager/nodes.c

@@ -439,6 +439,62 @@ err:
 }
 
 
+static void
+put_level(int32 level)
+{
+	while (level-- > 0)
+		dprintf("   ");
+}
+
+
+static void
+dump_attribute(pnp_node_attr_info *attr, int32 level)
+{
+	if (attr == NULL)
+		return;
+
+	put_level(level + 2);
+	dprintf("\"%s\" : ", attr->attr.name);
+	switch (attr->attr.type) {
+		case B_STRING_TYPE:
+			dprintf("string : \"%s\"", attr->attr.value.string);
+			break;
+		case B_UINT8_TYPE:
+			dprintf("uint8 : %u (%#x)", attr->attr.value.ui8, attr->attr.value.ui8);
+			break;
+		case B_UINT16_TYPE:
+			dprintf("uint16 : %u (%#x)", attr->attr.value.ui16, attr->attr.value.ui16);
+			break;
+		case B_UINT32_TYPE:
+			dprintf("uint32 : %lu (%#lx)", attr->attr.value.ui32, attr->attr.value.ui32);
+			break;
+		case B_UINT64_TYPE:
+			dprintf("uint64 : %Lu (%#Lx)", attr->attr.value.ui64, attr->attr.value.ui64);
+			break;
+		default:
+			dprintf("raw data");
+	}
+	dprintf("\n");
+
+	dump_attribute(attr->next, level);	
+}
+
+
+void
+dump_pnp_node_info(pnp_node_info *node, int32 level)
+{
+	if (node == NULL)
+		return;
+
+	put_level(level);
+	dprintf("(%ld) @%p \"%s\"\n", level, node, node->driver ? node->driver->minfo.name : "---");
+	dump_attribute(node->attributes, level);
+
+	dump_pnp_node_info(node->children, level + 1);
+	dump_pnp_node_info(node->children_next, level);
+}
+
+
 status_t
 nodes_init(void)
 {