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/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
#ifndef LIBFDT_INTERNAL_H
#define LIBFDT_INTERNAL_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*/
#include <fdt.h>
#define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))
int fdt_ro_probe_(const void *fdt);
#define FDT_RO_PROBE(fdt) \
{ \
int err_; \
if ((err_ = fdt_ro_probe_(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 */
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