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35084760a9
Signed-off-by: Roger Meier <roger@bufferoverflow.ch> Acked-by: Wolfgang Denk <wd@denx.de>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#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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* SPDX-License-Identifier: GPL-2.0+ BSD-2-Clause
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*/
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#include <fdt.h>
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#define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
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#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))
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#define FDT_CHECK_HEADER(fdt) \
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{ \
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int err; \
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if ((err = fdt_check_header(fdt)) != 0) \
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return err; \
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}
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int _fdt_check_node_offset(const void *fdt, int offset);
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int _fdt_check_prop_offset(const void *fdt, int offset);
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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(void *fdt, int nodeoffset);
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static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
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{
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return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
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}
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static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
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{
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return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
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}
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static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
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{
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const struct fdt_reserve_entry *rsv_table =
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(const struct fdt_reserve_entry *)
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((const char *)fdt + fdt_off_mem_rsvmap(fdt));
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return rsv_table + n;
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}
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static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
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{
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return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
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}
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#define FDT_SW_MAGIC (~FDT_MAGIC)
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#endif /* _LIBFDT_INTERNAL_H */
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