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48 lines
1.8 KiB
48 lines
1.8 KiB
#ifndef _LIBFDT_INTERNAL_H |
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#define _LIBFDT_INTERNAL_H |
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/* |
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* libfdt - Flat Device Tree manipulation |
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* Copyright (C) 2006 David Gibson, IBM Corporation. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public License |
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* as published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <fdt.h> |
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#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) |
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#define PALIGN(p, a) ((void *)ALIGN((unsigned long)(p), (a))) |
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#define memeq(p, q, n) (memcmp((p), (q), (n)) == 0) |
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#define streq(p, q) (strcmp((p), (q)) == 0) |
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static inline int _ptr_offset(struct fdt_header *fdt, void *p) |
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{ |
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void *blob = fdt; |
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return (p - blob) - fdt_off_dt_struct(fdt); |
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} |
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int _fdt_check_header(const struct fdt_header *fdt); |
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uint32_t _fdt_next_tag(const struct fdt_header *fdt, int startoffset, int *nextoffset); |
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struct fdt_property *_fdt_getprop(const struct fdt_header *fdt, int nodeoffset, |
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const char *name, int *lenp); |
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const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); |
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int _fdt_node_end_offset(struct fdt_header *fdt, int nodeoffset); |
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#define OFFSET_ERROR(code) -(code) |
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#define PTR_ERROR(code) (void *)(-(code)) |
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#define SW_MAGIC (~FDT_MAGIC) |
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#endif /* _LIBFDT_INTERNAL_H */
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