[mirror_edk2.git] / EmbeddedPkg / Library / FdtLib / libfdt_internal.h

#ifndef _LIBFDT_INTERNAL_H\r
#define _LIBFDT_INTERNAL_H\r
/*\r
 * libfdt - Flat Device Tree manipulation\r
 * Copyright (C) 2006 David Gibson, IBM Corporation.\r
 *\r
 * libfdt is dual licensed: you can use it either under the terms of\r
 * the GPL, or the BSD license, at your option.\r
 *\r
 *  a) This library is free software; you can redistribute it and/or\r
 *     modify it under the terms of the GNU General Public License as\r
 *     published by the Free Software Foundation; either version 2 of the\r
 *     License, or (at your option) any later version.\r
 *\r
 *     This library is distributed in the hope that it will be useful,\r
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
 *     GNU General Public License for more details.\r
 *\r
 *     You should have received a copy of the GNU General Public\r
 *     License along with this library; if not, write to the Free\r
 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,\r
 *     MA 02110-1301 USA\r
 *\r
 * Alternatively,\r
 *\r
 *  b) Redistribution and use in source and binary forms, with or\r
 *     without modification, are permitted provided that the following\r
 *     conditions are met:\r
 *\r
 *     1. Redistributions of source code must retain the above\r
 *        copyright notice, this list of conditions and the following\r
 *        disclaimer.\r
 *     2. Redistributions in binary form must reproduce the above\r
 *        copyright notice, this list of conditions and the following\r
 *        disclaimer in the documentation and/or other materials\r
 *        provided with the distribution.\r
 *\r
 *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND\r
 *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,\r
 *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
 *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r
 *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\r
 *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
 *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
 *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r
 *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
 *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
 *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR\r
 *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
 *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
 */\r
#include <fdt.h>\r
\r
#define FDT_ALIGN(x, a)		(((x) + (a) - 1) & ~((a) - 1))\r
#define FDT_TAGALIGN(x)		(FDT_ALIGN((x), FDT_TAGSIZE))\r
\r
#define FDT_CHECK_HEADER(fdt) \\r
	{ \\r
		int __err; \\r
		if ((__err = fdt_check_header(fdt)) != 0) \\r
			return __err; \\r
	}\r
\r
int _fdt_check_node_offset(const void *fdt, int offset);\r
int _fdt_check_prop_offset(const void *fdt, int offset);\r
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);\r
int _fdt_node_end_offset(void *fdt, int nodeoffset);\r
\r
static inline const void *_fdt_offset_ptr(const void *fdt, int offset)\r
{\r
	return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;\r
}\r
\r
static inline void *_fdt_offset_ptr_w(void *fdt, int offset)\r
{\r
	return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);\r
}\r
\r
static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)\r
{\r
	const struct fdt_reserve_entry *rsv_table =\r
		(const struct fdt_reserve_entry *)\r
		((const char *)fdt + fdt_off_mem_rsvmap(fdt));\r
\r
	return rsv_table + n;\r
}\r
static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)\r
{\r
	return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);\r
}\r
\r
#define FDT_SW_MAGIC		(~FDT_MAGIC)\r
\r
#endif /* _LIBFDT_INTERNAL_H */\r
Commit	Line	Data
1e57a462	1	#ifndef _LIBFDT_INTERNAL_H\r
	2	#define _LIBFDT_INTERNAL_H\r
	3	/*\r
	4	* libfdt - Flat Device Tree manipulation\r
	5	* Copyright (C) 2006 David Gibson, IBM Corporation.\r
	6	*\r
	7	* libfdt is dual licensed: you can use it either under the terms of\r
	8	* the GPL, or the BSD license, at your option.\r
	9	*\r
	10	* a) This library is free software; you can redistribute it and/or\r
	11	* modify it under the terms of the GNU General Public License as\r
	12	* published by the Free Software Foundation; either version 2 of the\r
	13	* License, or (at your option) any later version.\r
	14	*\r
	15	* This library is distributed in the hope that it will be useful,\r
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
	18	* GNU General Public License for more details.\r
	19	*\r
	20	* You should have received a copy of the GNU General Public\r
	21	* License along with this library; if not, write to the Free\r
	22	* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,\r
	23	* MA 02110-1301 USA\r
	24	*\r
	25	* Alternatively,\r
	26	*\r
	27	* b) Redistribution and use in source and binary forms, with or\r
	28	* without modification, are permitted provided that the following\r
	29	* conditions are met:\r
	30	*\r
	31	* 1. Redistributions of source code must retain the above\r
	32	* copyright notice, this list of conditions and the following\r
	33	* disclaimer.\r
	34	* 2. Redistributions in binary form must reproduce the above\r
	35	* copyright notice, this list of conditions and the following\r
	36	* disclaimer in the documentation and/or other materials\r
	37	* provided with the distribution.\r
	38	*\r
	39	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND\r
	40	* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,\r
	41	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
	42	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r
	43	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\r
	44	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
	45	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
	46	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r
	47	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
	49	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR\r
	50	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
	51	* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
	52	*/\r
	53	#include <fdt.h>\r
	54	\r
	55	#define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))\r
	56	#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))\r
	57	\r
	58	#define FDT_CHECK_HEADER(fdt) \\r
	59	{ \\r
a0992390 PB	60	int __err; \\r
	61	if ((__err = fdt_check_header(fdt)) != 0) \\r
	62	return __err; \\r
1e57a462	63	}\r
	64	\r
	65	int _fdt_check_node_offset(const void *fdt, int offset);\r
	66	int _fdt_check_prop_offset(const void *fdt, int offset);\r
	67	const char _fdt_find_string(const char strtab, int tabsize, const char *s);\r
	68	int _fdt_node_end_offset(void *fdt, int nodeoffset);\r
	69	\r
	70	static inline const void _fdt_offset_ptr(const void fdt, int offset)\r
	71	{\r
	72	return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;\r
	73	}\r
	74	\r
	75	static inline void _fdt_offset_ptr_w(void fdt, int offset)\r
	76	{\r
	77	return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);\r
	78	}\r
	79	\r
	80	static inline const struct fdt_reserve_entry _fdt_mem_rsv(const void fdt, int n)\r
	81	{\r
	82	const struct fdt_reserve_entry *rsv_table =\r
	83	(const struct fdt_reserve_entry *)\r
	84	((const char *)fdt + fdt_off_mem_rsvmap(fdt));\r
	85	\r
	86	return rsv_table + n;\r
	87	}\r
	88	static inline struct fdt_reserve_entry _fdt_mem_rsv_w(void fdt, int n)\r
	89	{\r
	90	return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);\r
	91	}\r
	92	\r
	93	#define FDT_SW_MAGIC (~FDT_MAGIC)\r
	94	\r
	95	#endif /* _LIBFDT_INTERNAL_H */\r