#ifndef _LIBFDT_INTERNAL_H | |
#define _LIBFDT_INTERNAL_H | |
/* | |
* libfdt - Flat Device Tree manipulation | |
* Copyright (C) 2006 David Gibson, IBM Corporation. | |
* | |
* libfdt is dual licensed: you can use it either under the terms of | |
* the GPL, or the BSD license, at your option. | |
* | |
* a) This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU General Public License as | |
* published by the Free Software Foundation; either version 2 of the | |
* License, or (at your option) any later version. | |
* | |
* This library is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
* GNU General Public License for more details. | |
* | |
* You should have received a copy of the GNU General Public | |
* License along with this library; if not, write to the Free | |
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | |
* MA 02110-1301 USA | |
* | |
* Alternatively, | |
* | |
* b) Redistribution and use in source and binary forms, with or | |
* without modification, are permitted provided that the following | |
* conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above | |
* copyright notice, this list of conditions and the following | |
* disclaimer. | |
* 2. Redistributions in binary form must reproduce the above | |
* copyright notice, this list of conditions and the following | |
* disclaimer in the documentation and/or other materials | |
* provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#include <fdt.h> | |
#define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) | |
#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE)) | |
#define FDT_CHECK_HEADER(fdt) \ | |
{ \ | |
int __err; \ | |
if ((__err = fdt_check_header(fdt)) != 0) \ | |
return __err; \ | |
} | |
int _fdt_check_node_offset(const void *fdt, int offset); | |
int _fdt_check_prop_offset(const void *fdt, int offset); | |
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); | |
int _fdt_node_end_offset(void *fdt, int nodeoffset); | |
static inline const void *_fdt_offset_ptr(const void *fdt, int offset) | |
{ | |
return (const char *)fdt + fdt_off_dt_struct(fdt) + offset; | |
} | |
static inline void *_fdt_offset_ptr_w(void *fdt, int offset) | |
{ | |
return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset); | |
} | |
static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n) | |
{ | |
const struct fdt_reserve_entry *rsv_table = | |
(const struct fdt_reserve_entry *) | |
((const char *)fdt + fdt_off_mem_rsvmap(fdt)); | |
return rsv_table + n; | |
} | |
static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n) | |
{ | |
return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n); | |
} | |
#define FDT_SW_MAGIC (~FDT_MAGIC) | |
#endif /* _LIBFDT_INTERNAL_H */ |