8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
36 #include <libfdt_env.h>
42 #define debug(...) printf(__VA_ARGS__)
47 #define DEFAULT_FDT_VERSION 17
50 * Command line options
52 extern int quiet; /* Level of quietness */
53 extern int reservenum; /* Number of memory reservation slots */
54 extern int minsize; /* Minimum blob size */
55 extern int padsize; /* Additional padding to blob */
56 extern int alignsize; /* Additional padding to blob accroding to the alignsize */
57 extern int phandle_format; /* Use linux,phandle or phandle properties */
58 extern int generate_symbols; /* generate symbols for nodes with labels */
59 extern int generate_fixups; /* generate fixups */
60 extern int auto_label_aliases; /* auto generate labels -> aliases */
62 #define PHANDLE_LEGACY 0x1
63 #define PHANDLE_EPAPR 0x2
64 #define PHANDLE_BOTH 0x3
66 typedef uint32_t cell_t;
69 #define streq(a, b) (strcmp((a), (b)) == 0)
70 #define strstarts(s, prefix) (strncmp((s), (prefix), strlen(prefix)) == 0)
71 #define strprefixeq(a, n, b) (strlen(b) == (n) && (memcmp(a, b, n) == 0))
73 #define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
92 struct marker *markers;
96 #define empty_data ((struct data){ 0 /* all .members = 0 or NULL */ })
98 #define for_each_marker(m) \
99 for (; (m); (m) = (m)->next)
100 #define for_each_marker_of_type(m, t) \
102 if ((m)->type == (t))
104 void data_free(struct data d);
106 struct data data_grow_for(struct data d, int xlen);
108 struct data data_copy_mem(const char *mem, int len);
109 struct data data_copy_escape_string(const char *s, int len);
110 struct data data_copy_file(FILE *f, size_t len);
112 struct data data_append_data(struct data d, const void *p, int len);
113 struct data data_insert_at_marker(struct data d, struct marker *m,
114 const void *p, int len);
115 struct data data_merge(struct data d1, struct data d2);
116 struct data data_append_cell(struct data d, cell_t word);
117 struct data data_append_integer(struct data d, uint64_t word, int bits);
118 struct data data_append_re(struct data d, uint64_t address, uint64_t size);
119 struct data data_append_addr(struct data d, uint64_t addr);
120 struct data data_append_byte(struct data d, uint8_t byte);
121 struct data data_append_zeroes(struct data d, int len);
122 struct data data_append_align(struct data d, int align);
124 struct data data_add_marker(struct data d, enum markertype type, char *ref);
126 bool data_is_one_string(struct data d);
130 #define MAX_PROPNAME_LEN 31
131 #define MAX_NODENAME_LEN 31
149 struct property *next;
151 struct label *labels;
157 struct property *proplist;
158 struct node *children;
161 struct node *next_sibling;
167 int addr_cells, size_cells;
169 struct label *labels;
170 const struct bus_type *bus;
173 #define for_each_label_withdel(l0, l) \
174 for ((l) = (l0); (l); (l) = (l)->next)
176 #define for_each_label(l0, l) \
177 for_each_label_withdel(l0, l) \
180 #define for_each_property_withdel(n, p) \
181 for ((p) = (n)->proplist; (p); (p) = (p)->next)
183 #define for_each_property(n, p) \
184 for_each_property_withdel(n, p) \
187 #define for_each_child_withdel(n, c) \
188 for ((c) = (n)->children; (c); (c) = (c)->next_sibling)
190 #define for_each_child(n, c) \
191 for_each_child_withdel(n, c) \
194 void add_label(struct label **labels, char *label);
195 void delete_labels(struct label **labels);
197 struct property *build_property(char *name, struct data val);
198 struct property *build_property_delete(char *name);
199 struct property *chain_property(struct property *first, struct property *list);
200 struct property *reverse_properties(struct property *first);
202 struct node *build_node(struct property *proplist, struct node *children);
203 struct node *build_node_delete(void);
204 struct node *name_node(struct node *node, char *name);
205 struct node *chain_node(struct node *first, struct node *list);
206 struct node *merge_nodes(struct node *old_node, struct node *new_node);
207 struct node *add_orphan_node(struct node *old_node, struct node *new_node, char *ref);
209 void add_property(struct node *node, struct property *prop);
210 void delete_property_by_name(struct node *node, char *name);
211 void delete_property(struct property *prop);
212 void add_child(struct node *parent, struct node *child);
213 void delete_node_by_name(struct node *parent, char *name);
214 void delete_node(struct node *node);
215 void append_to_property(struct node *node,
216 char *name, const void *data, int len);
218 const char *get_unitname(struct node *node);
219 struct property *get_property(struct node *node, const char *propname);
220 cell_t propval_cell(struct property *prop);
221 cell_t propval_cell_n(struct property *prop, int n);
222 struct property *get_property_by_label(struct node *tree, const char *label,
224 struct marker *get_marker_label(struct node *tree, const char *label,
225 struct node **node, struct property **prop);
226 struct node *get_subnode(struct node *node, const char *nodename);
227 struct node *get_node_by_path(struct node *tree, const char *path);
228 struct node *get_node_by_label(struct node *tree, const char *label);
229 struct node *get_node_by_phandle(struct node *tree, cell_t phandle);
230 struct node *get_node_by_ref(struct node *tree, const char *ref);
231 cell_t get_node_phandle(struct node *root, struct node *node);
233 uint32_t guess_boot_cpuid(struct node *tree);
235 /* Boot info (tree plus memreserve information */
237 struct reserve_info {
238 uint64_t address, size;
240 struct reserve_info *next;
242 struct label *labels;
245 struct reserve_info *build_reserve_entry(uint64_t start, uint64_t len);
246 struct reserve_info *chain_reserve_entry(struct reserve_info *first,
247 struct reserve_info *list);
248 struct reserve_info *add_reserve_entry(struct reserve_info *list,
249 struct reserve_info *new);
253 unsigned int dtsflags;
254 struct reserve_info *reservelist;
255 uint32_t boot_cpuid_phys;
256 struct node *dt; /* the device tree */
257 const char *outname; /* filename being written to, "-" for stdout */
260 /* DTS version flags definitions */
261 #define DTSF_V1 0x0001 /* /dts-v1/ */
262 #define DTSF_PLUGIN 0x0002 /* /plugin/ */
264 struct dt_info *build_dt_info(unsigned int dtsflags,
265 struct reserve_info *reservelist,
266 struct node *tree, uint32_t boot_cpuid_phys);
267 void sort_tree(struct dt_info *dti);
268 void generate_label_tree(struct dt_info *dti, char *name, bool allocph);
269 void generate_fixups_tree(struct dt_info *dti, char *name);
270 void generate_local_fixups_tree(struct dt_info *dti, char *name);
274 void parse_checks_option(bool warn, bool error, const char *arg);
275 void process_checks(bool force, struct dt_info *dti);
277 /* Flattened trees */
279 void dt_to_blob(FILE *f, struct dt_info *dti, int version);
280 void dt_to_asm(FILE *f, struct dt_info *dti, int version);
282 struct dt_info *dt_from_blob(const char *fname);
286 void dt_to_source(FILE *f, struct dt_info *dti);
287 struct dt_info *dt_from_source(const char *f);
291 struct dt_info *dt_from_fs(const char *dirname);