Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3675 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2005 Pavel Rimsky |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | /** @addtogroup sparc64 |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 35 | #ifndef KERN_sparc64_CPU_NODE_H_ |
||
| 36 | #define KERN_sparc64_CPU_NODE_H_ |
||
| 37 | |||
| 38 | #include <genarch/ofw/ofw_tree.h> |
||
| 39 | |||
| 40 | |||
| 41 | /** Finds the parent node of all the CPU nodes (nodes named "cpu" or "cmp"). |
||
| 42 | * |
||
| 43 | * Depending on the machine type (and possibly the OFW version), CPUs can be |
||
| 44 | * at "/" or at "/ssm@0,0". |
||
| 45 | */ |
||
| 46 | static inline ofw_tree_node_t *cpus_parent(void) |
||
| 47 | { |
||
| 48 | ofw_tree_node_t *parent; |
||
| 49 | parent = ofw_tree_find_child(ofw_tree_lookup("/"), "ssm@0,0"); |
||
| 50 | if (parent == NULL) |
||
| 51 | parent = ofw_tree_lookup("/"); |
||
| 52 | return parent; |
||
| 53 | } |
||
| 54 | |||
| 55 | #endif |
||
| 56 | |||
| 57 | /** @} |
||
| 58 | */ |