96 lines
3.7 KiB
C
96 lines
3.7 KiB
C
#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 */
|