libfdt_internal.h revision 1.1.1.1.2.2 1 1.1.1.1.2.2 skrll #ifndef _LIBFDT_INTERNAL_H
2 1.1.1.1.2.2 skrll #define _LIBFDT_INTERNAL_H
3 1.1.1.1.2.2 skrll /*
4 1.1.1.1.2.2 skrll * libfdt - Flat Device Tree manipulation
5 1.1.1.1.2.2 skrll * Copyright (C) 2006 David Gibson, IBM Corporation.
6 1.1.1.1.2.2 skrll *
7 1.1.1.1.2.2 skrll * libfdt is dual licensed: you can use it either under the terms of
8 1.1.1.1.2.2 skrll * the GPL, or the BSD license, at your option.
9 1.1.1.1.2.2 skrll *
10 1.1.1.1.2.2 skrll * a) This library is free software; you can redistribute it and/or
11 1.1.1.1.2.2 skrll * modify it under the terms of the GNU General Public License as
12 1.1.1.1.2.2 skrll * published by the Free Software Foundation; either version 2 of the
13 1.1.1.1.2.2 skrll * License, or (at your option) any later version.
14 1.1.1.1.2.2 skrll *
15 1.1.1.1.2.2 skrll * This library is distributed in the hope that it will be useful,
16 1.1.1.1.2.2 skrll * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 1.1.1.1.2.2 skrll * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 1.1.1.1.2.2 skrll * GNU General Public License for more details.
19 1.1.1.1.2.2 skrll *
20 1.1.1.1.2.2 skrll * You should have received a copy of the GNU General Public
21 1.1.1.1.2.2 skrll * License along with this library; if not, write to the Free
22 1.1.1.1.2.2 skrll * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
23 1.1.1.1.2.2 skrll * MA 02110-1301 USA
24 1.1.1.1.2.2 skrll *
25 1.1.1.1.2.2 skrll * Alternatively,
26 1.1.1.1.2.2 skrll *
27 1.1.1.1.2.2 skrll * b) Redistribution and use in source and binary forms, with or
28 1.1.1.1.2.2 skrll * without modification, are permitted provided that the following
29 1.1.1.1.2.2 skrll * conditions are met:
30 1.1.1.1.2.2 skrll *
31 1.1.1.1.2.2 skrll * 1. Redistributions of source code must retain the above
32 1.1.1.1.2.2 skrll * copyright notice, this list of conditions and the following
33 1.1.1.1.2.2 skrll * disclaimer.
34 1.1.1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above
35 1.1.1.1.2.2 skrll * copyright notice, this list of conditions and the following
36 1.1.1.1.2.2 skrll * disclaimer in the documentation and/or other materials
37 1.1.1.1.2.2 skrll * provided with the distribution.
38 1.1.1.1.2.2 skrll *
39 1.1.1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
40 1.1.1.1.2.2 skrll * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
41 1.1.1.1.2.2 skrll * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
42 1.1.1.1.2.2 skrll * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43 1.1.1.1.2.2 skrll * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
44 1.1.1.1.2.2 skrll * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 1.1.1.1.2.2 skrll * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 1.1.1.1.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 1.1.1.1.2.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 1.1.1.1.2.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
49 1.1.1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
50 1.1.1.1.2.2 skrll * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
51 1.1.1.1.2.2 skrll * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
52 1.1.1.1.2.2 skrll */
53 1.1.1.1.2.2 skrll #include <fdt.h>
54 1.1.1.1.2.2 skrll
55 1.1.1.1.2.2 skrll #define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
56 1.1.1.1.2.2 skrll #define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))
57 1.1.1.1.2.2 skrll
58 1.1.1.1.2.2 skrll #define FDT_CHECK_HEADER(fdt) \
59 1.1.1.1.2.2 skrll { \
60 1.1.1.1.2.2 skrll int __err; \
61 1.1.1.1.2.2 skrll if ((__err = fdt_check_header(fdt)) != 0) \
62 1.1.1.1.2.2 skrll return __err; \
63 1.1.1.1.2.2 skrll }
64 1.1.1.1.2.2 skrll
65 1.1.1.1.2.2 skrll int _fdt_check_node_offset(const void *fdt, int offset);
66 1.1.1.1.2.2 skrll int _fdt_check_prop_offset(const void *fdt, int offset);
67 1.1.1.1.2.2 skrll const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
68 1.1.1.1.2.2 skrll int _fdt_node_end_offset(void *fdt, int nodeoffset);
69 1.1.1.1.2.2 skrll
70 1.1.1.1.2.2 skrll static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
71 1.1.1.1.2.2 skrll {
72 1.1.1.1.2.2 skrll return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
73 1.1.1.1.2.2 skrll }
74 1.1.1.1.2.2 skrll
75 1.1.1.1.2.2 skrll static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
76 1.1.1.1.2.2 skrll {
77 1.1.1.1.2.2 skrll return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
78 1.1.1.1.2.2 skrll }
79 1.1.1.1.2.2 skrll
80 1.1.1.1.2.2 skrll static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
81 1.1.1.1.2.2 skrll {
82 1.1.1.1.2.2 skrll const struct fdt_reserve_entry *rsv_table =
83 1.1.1.1.2.2 skrll (const struct fdt_reserve_entry *)
84 1.1.1.1.2.2 skrll ((const char *)fdt + fdt_off_mem_rsvmap(fdt));
85 1.1.1.1.2.2 skrll
86 1.1.1.1.2.2 skrll return rsv_table + n;
87 1.1.1.1.2.2 skrll }
88 1.1.1.1.2.2 skrll static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
89 1.1.1.1.2.2 skrll {
90 1.1.1.1.2.2 skrll return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
91 1.1.1.1.2.2 skrll }
92 1.1.1.1.2.2 skrll
93 1.1.1.1.2.2 skrll #define FDT_SW_MAGIC (~FDT_MAGIC)
94 1.1.1.1.2.2 skrll
95 1.1.1.1.2.2 skrll #endif /* _LIBFDT_INTERNAL_H */
96