source: rtems/c/src/lib/libbsp/sparc64/shared/helenos/kernel/genarch/include/ofw/ofw_tree.h @ 566a1806

4.115
Last change on this file since 566a1806 was 566a1806, checked in by Joel Sherrill <joel.sherrill@…>, on Jun 17, 2010 at 4:20:46 PM

2010-06-17 Joel Sherrill <joel.sherrill@…>

  • ChangeLog?, Makefile.am, acinclude.m4, configure.ac, shared/asm/asm.S, shared/clock/ckinit.c, shared/console/conscfg.c, shared/helenos/LICENSE, shared/helenos/README, shared/helenos/boot/genarch/balloc.c, shared/helenos/boot/genarch/ofw.c, shared/helenos/boot/genarch/ofw_tree.c, shared/helenos/boot/generic/string.c, shared/helenos/boot/include/align.h, shared/helenos/boot/include/balloc.h, shared/helenos/boot/include/gentypes.h, shared/helenos/boot/include/main.h, shared/helenos/boot/include/ofw.h, shared/helenos/boot/include/ofw_tree.h, shared/helenos/boot/include/ofwarch.h, shared/helenos/boot/include/register.h, shared/helenos/boot/include/stack.h, shared/helenos/boot/include/types.h, shared/helenos/boot/sparc64/loader/main.c, shared/helenos/boot/sparc64/loader/ofwarch.c, shared/helenos/boot/sparc64/loader/ofwasm.S, shared/helenos/kernel/genarch/include/ofw/ofw_tree.h, shared/helenos/kernel/generic/include/align.h, shared/helenos/kernel/sparc64/include/arch.h, shared/helenos/kernel/sparc64/include/boot.h, shared/helenos/kernel/sparc64/include/regdef.h, shared/helenos/kernel/sparc64/include/stack.h, shared/helenos/kernel/sparc64/include/mm/cache_spec.h, shared/helenos/kernel/sparc64/include/mm/frame.h, shared/helenos/kernel/sparc64/include/mm/mmu.h, shared/helenos/kernel/sparc64/include/mm/page.h, shared/helenos/kernel/sparc64/include/mm/tlb.h, shared/helenos/kernel/sparc64/include/mm/tte.h, shared/helenos/kernel/sparc64/include/mm/sun4u/frame.h, shared/helenos/kernel/sparc64/include/mm/sun4u/mmu.h, shared/helenos/kernel/sparc64/include/mm/sun4u/page.h, shared/helenos/kernel/sparc64/include/mm/sun4u/tlb.h, shared/helenos/kernel/sparc64/include/mm/sun4u/tte.h, shared/helenos/kernel/sparc64/include/sun4u/arch.h, shared/helenos/kernel/sparc64/src/cache.S, shared/helenos/kernel/sparc64/src/sun4u/takemmu.S, shared/include/asm.h, shared/include/traptable.h, shared/start/start.S, shared/start/trap_table.S, shared/startup/bspgetworkarea.c, shared/startup/bspstart.c, shared/startup/linkcmds, shared/startup/setvec.c: New files.
  • Property mode set to 100644
File size: 3.2 KB
Line 
1/*
2 * Copyright (c) 2006 Jakub Jermar
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#ifndef KERN_OFW_TREE_H_
30#define KERN_OFW_TREE_H_
31
32#include <arch/types.h>
33#include <typedefs.h>
34
35#define OFW_TREE_PROPERTY_MAX_NAMELEN  32
36
37/** Memory representation of OpenFirmware device tree node property. */
38typedef struct {
39        char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
40        size_t size;
41        void *value;
42} ofw_tree_property_t;
43
44/** Memory representation of OpenFirmware device tree node. */
45typedef struct ofw_tree_node {
46        struct ofw_tree_node *parent;
47        struct ofw_tree_node *peer;
48        struct ofw_tree_node *child;
49       
50        uint32_t node_handle;           /**< Old OpenFirmware node handle. */
51       
52        char *da_name;                  /**< Disambigued name. */
53       
54        unsigned int properties;        /**< Number of properties. */
55        ofw_tree_property_t *property;
56       
57        /**
58         * Pointer to a structure representing respective device.
59         * Its semantics is device dependent.
60         */
61        void *device;
62} ofw_tree_node_t;
63
64/* Walker for visiting OpenFirmware device tree nodes. */
65typedef bool (* ofw_tree_walker_t)(ofw_tree_node_t *, void *);
66
67extern void ofw_tree_init(ofw_tree_node_t *);
68extern void ofw_tree_print(void);
69
70extern const char *ofw_tree_node_name(const ofw_tree_node_t *);
71extern ofw_tree_node_t *ofw_tree_lookup(const char *);
72extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *,
73    const char *);
74extern void ofw_tree_walk_by_device_type(const char *, ofw_tree_walker_t,
75    void *);
76
77extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *, const char *);
78extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *,
79    const char *);
80
81extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *,
82    const char *);
83extern ofw_tree_node_t *ofw_tree_find_peer_by_name(ofw_tree_node_t *,
84    const char *);
85extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *,
86    uint32_t);
87
88#endif
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