diff options
Diffstat (limited to 'libfdt/libfdt_internal.h')
| -rw-r--r-- | libfdt/libfdt_internal.h | 81 |
1 files changed, 65 insertions, 16 deletions
diff --git a/libfdt/libfdt_internal.h b/libfdt/libfdt_internal.h index cc9633c..1e60936 100644 --- a/libfdt/libfdt_internal.h +++ b/libfdt/libfdt_internal.h @@ -4,19 +4,51 @@ * libfdt - Flat Device Tree manipulation * Copyright (C) 2006 David Gibson, IBM Corporation. * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser 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 + * 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> @@ -26,13 +58,30 @@ #define memeq(p, q, n) (memcmp((p), (q), (n)) == 0) #define streq(p, q) (strcmp((p), (q)) == 0) -int _fdt_check_header(const void *fdt); +uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset); const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); int _fdt_node_end_offset(void *fdt, int nodeoffset); -static inline void *_fdt_offset_ptr(const struct fdt_header *fdt, int offset) +static inline const void *_fdt_offset_ptr(const void *fdt, int offset) +{ + return fdt + fdt_off_dt_struct(fdt) + offset; +} + +static inline void *_fdt_offset_ptr_w(void *fdt, int offset) +{ + return (void *)_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 = + 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 *)fdt + fdt_off_dt_struct(fdt) + offset; + return (void *)_fdt_mem_rsv(fdt, n); } #define SW_MAGIC (~FDT_MAGIC) |