1 | #ifndef LIBFDT_INTERNAL_H |
2 | #define LIBFDT_INTERNAL_H |
3 | /* |
4 | * libfdt - Flat Device Tree manipulation |
5 | * Copyright (C) 2006 David Gibson, IBM Corporation. |
6 | * |
7 | * libfdt is dual licensed: you can use it either under the terms of |
8 | * the GPL, or the BSD license, at your option. |
9 | * |
10 | * a) This library is free software; you can redistribute it and/or |
11 | * modify it under the terms of the GNU General Public License as |
12 | * published by the Free Software Foundation; either version 2 of the |
13 | * License, or (at your option) any later version. |
14 | * |
15 | * This library is distributed in the hope that it will be useful, |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | * GNU General Public License for more details. |
19 | * |
20 | * You should have received a copy of the GNU General Public |
21 | * License along with this library; if not, write to the Free |
22 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
23 | * MA 02110-1301 USA |
24 | * |
25 | * Alternatively, |
26 | * |
27 | * b) Redistribution and use in source and binary forms, with or |
28 | * without modification, are permitted provided that the following |
29 | * conditions are met: |
30 | * |
31 | * 1. Redistributions of source code must retain the above |
32 | * copyright notice, this list of conditions and the following |
33 | * disclaimer. |
34 | * 2. Redistributions in binary form must reproduce the above |
35 | * copyright notice, this list of conditions and the following |
36 | * disclaimer in the documentation and/or other materials |
37 | * provided with the distribution. |
38 | * |
39 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
40 | * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
41 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
42 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
43 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
44 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
49 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
50 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
51 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
52 | */ |
53 | #include <fdt.h> |
54 | |
55 | #define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) |
56 | #define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE)) |
57 | |
58 | int fdt_ro_probe_(const void *fdt); |
59 | #define FDT_RO_PROBE(fdt) \ |
60 | { \ |
61 | int err_; \ |
62 | if ((err_ = fdt_ro_probe_(fdt)) != 0) \ |
63 | return err_; \ |
64 | } |
65 | |
66 | int fdt_check_node_offset_(const void *fdt, int offset); |
67 | int fdt_check_prop_offset_(const void *fdt, int offset); |
68 | const char *fdt_find_string_(const char *strtab, int tabsize, const char *s); |
69 | int fdt_node_end_offset_(void *fdt, int nodeoffset); |
70 | |
71 | static inline const void *fdt_offset_ptr_(const void *fdt, int offset) |
72 | { |
73 | return (const char *)fdt + fdt_off_dt_struct(fdt) + offset; |
74 | } |
75 | |
76 | static inline void *fdt_offset_ptr_w_(void *fdt, int offset) |
77 | { |
78 | return (void *)(uintptr_t)fdt_offset_ptr_(fdt, offset); |
79 | } |
80 | |
81 | static inline const struct fdt_reserve_entry *fdt_mem_rsv_(const void *fdt, int n) |
82 | { |
83 | const struct fdt_reserve_entry *rsv_table = |
84 | (const struct fdt_reserve_entry *) |
85 | ((const char *)fdt + fdt_off_mem_rsvmap(fdt)); |
86 | |
87 | return rsv_table + n; |
88 | } |
89 | static inline struct fdt_reserve_entry *fdt_mem_rsv_w_(void *fdt, int n) |
90 | { |
91 | return (void *)(uintptr_t)fdt_mem_rsv_(fdt, n); |
92 | } |
93 | |
94 | #define FDT_SW_MAGIC (~FDT_MAGIC) |
95 | |
96 | #endif /* LIBFDT_INTERNAL_H */ |
97 | |