| 0,0 → 1,58 |
|---|
| /* |
| * Copyright (c) 2005 Pavel Rimsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup sparc64 |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef KERN_sparc64_CPU_NODE_H_ |
| #define KERN_sparc64_CPU_NODE_H_ |
| |
| #include <genarch/ofw/ofw_tree.h> |
| |
| |
| /** Finds the parent node of all the CPU nodes (nodes named "cpu" or "cmp"). |
| * |
| * Depending on the machine type (and possibly the OFW version), CPUs can be |
| * at "/" or at "/ssm@0,0". |
| */ |
| static inline ofw_tree_node_t *cpus_parent(void) |
| { |
| ofw_tree_node_t *parent; |
| parent = ofw_tree_find_child(ofw_tree_lookup("/"), "ssm@0,0"); |
| if (parent == NULL) |
| parent = ofw_tree_lookup("/"); |
| return parent; |
| } |
| |
| #endif |
| |
| /** @} |
| */ |