58 static int _fdt_sw_check_header(void *fdt)  in _fdt_sw_check_header()  argument
60 	if (fdt_magic(fdt) != FDT_SW_MAGIC)  in _fdt_sw_check_header()
66 #define FDT_SW_CHECK_HEADER(fdt) \  argument
69 		if ((err = _fdt_sw_check_header(fdt)) != 0) \
73 static void *_fdt_grab_space(void *fdt, size_t len)  in _fdt_grab_space()  argument
75 	int offset = fdt_size_dt_struct(fdt);  in _fdt_grab_space()
78 	spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)  in _fdt_grab_space()
79 		- fdt_size_dt_strings(fdt);  in _fdt_grab_space()
84 	fdt_set_size_dt_struct(fdt, offset + len);  in _fdt_grab_space()
85 	return _fdt_offset_ptr_w(fdt, offset);  in _fdt_grab_space()
90 	void *fdt = buf;  in fdt_create()  local
97 	fdt_set_magic(fdt, FDT_SW_MAGIC);  in fdt_create()
98 	fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);  in fdt_create()
99 	fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);  in fdt_create()
100 	fdt_set_totalsize(fdt,  bufsize);  in fdt_create()
102 	fdt_set_off_mem_rsvmap(fdt, FDT_ALIGN(sizeof(struct fdt_header),  in fdt_create()
104 	fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));  in fdt_create()
105 	fdt_set_off_dt_strings(fdt, bufsize);  in fdt_create()
110 int fdt_resize(void *fdt, void *buf, int bufsize)  in fdt_resize()  argument
115 	FDT_SW_CHECK_HEADER(fdt);  in fdt_resize()
117 	headsize = fdt_off_dt_struct(fdt);  in fdt_resize()
118 	tailsize = fdt_size_dt_strings(fdt);  in fdt_resize()
123 	oldtail = (char *)fdt + fdt_totalsize(fdt) - tailsize;  in fdt_resize()
128 	if (buf <= fdt) {  in fdt_resize()
129 		memmove(buf, fdt, headsize);  in fdt_resize()
133 		memmove(buf, fdt, headsize);  in fdt_resize()
142 int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)  in fdt_add_reservemap_entry()  argument
147 	FDT_SW_CHECK_HEADER(fdt);  in fdt_add_reservemap_entry()
149 	if (fdt_size_dt_struct(fdt))  in fdt_add_reservemap_entry()
152 	offset = fdt_off_dt_struct(fdt);  in fdt_add_reservemap_entry()
153 	if ((offset + sizeof(*re)) > fdt_totalsize(fdt))  in fdt_add_reservemap_entry()
156 	re = (struct fdt_reserve_entry *)((char *)fdt + offset);  in fdt_add_reservemap_entry()
160 	fdt_set_off_dt_struct(fdt, offset + sizeof(*re));  in fdt_add_reservemap_entry()
165 int fdt_finish_reservemap(void *fdt)  in fdt_finish_reservemap()  argument
167 	return fdt_add_reservemap_entry(fdt, 0, 0);  in fdt_finish_reservemap()
170 int fdt_begin_node(void *fdt, const char *name)  in fdt_begin_node()  argument
175 	FDT_SW_CHECK_HEADER(fdt);  in fdt_begin_node()
177 	nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));  in fdt_begin_node()
186 int fdt_end_node(void *fdt)  in fdt_end_node()  argument
190 	FDT_SW_CHECK_HEADER(fdt);  in fdt_end_node()
192 	en = _fdt_grab_space(fdt, FDT_TAGSIZE);  in fdt_end_node()
200 static int _fdt_find_add_string(void *fdt, const char *s)  in _fdt_find_add_string()  argument
202 	char *strtab = (char *)fdt + fdt_totalsize(fdt);  in _fdt_find_add_string()
204 	int strtabsize = fdt_size_dt_strings(fdt);  in _fdt_find_add_string()
214 	struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);  in _fdt_find_add_string()
215 	if (fdt_totalsize(fdt) + offset < struct_top)  in _fdt_find_add_string()
219 	fdt_set_size_dt_strings(fdt, strtabsize + len);  in _fdt_find_add_string()
223 int fdt_property(void *fdt, const char *name, const void *val, int len)  in fdt_property()  argument
228 	FDT_SW_CHECK_HEADER(fdt);  in fdt_property()
230 	nameoff = _fdt_find_add_string(fdt, name);  in fdt_property()
234 	prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));  in fdt_property()
245 int fdt_finish(void *fdt)  in fdt_finish()  argument
247 	char *p = (char *)fdt;  in fdt_finish()
253 	FDT_SW_CHECK_HEADER(fdt);  in fdt_finish()
256 	end = _fdt_grab_space(fdt, sizeof(*end));  in fdt_finish()
262 	oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);  in fdt_finish()
263 	newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);  in fdt_finish()
264 	memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));  in fdt_finish()
265 	fdt_set_off_dt_strings(fdt, newstroffset);  in fdt_finish()
269 	while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {  in fdt_finish()
272 				_fdt_offset_ptr_w(fdt, offset);  in fdt_finish()
276 			nameoff += fdt_size_dt_strings(fdt);  in fdt_finish()
285 	fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));  in fdt_finish()
286 	fdt_set_magic(fdt, FDT_MAGIC);  in fdt_finish()