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