| /* 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 */ |