5 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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
35 #include <libfdt_env.h>
41 #define debug(fmt,args...) printf(fmt, ##args)
43 #define debug(fmt,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 phandle_format; /* Use linux,phandle or phandle properties */
58 #define PHANDLE_LEGACY 0x1
59 #define PHANDLE_EPAPR 0x2
60 #define PHANDLE_BOTH 0x3
62 typedef uint32_t cell_t;
65 #define streq(a, b) (strcmp((a), (b)) == 0)
66 #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
68 #define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
69 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
88 struct marker *markers;
92 #define empty_data ((struct data){ /* all .members = 0 or NULL */ })
94 #define for_each_marker(m) \
95 for (; (m); (m) = (m)->next)
96 #define for_each_marker_of_type(m, t) \
100 void data_free(struct data d);
102 struct data data_grow_for(struct data d, int xlen);
104 struct data data_copy_mem(const char *mem, int len);
105 struct data data_copy_escape_string(const char *s, int len);
106 struct data data_copy_file(FILE *f, size_t len);
108 struct data data_append_data(struct data d, const void *p, int len);
109 struct data data_insert_at_marker(struct data d, struct marker *m,
110 const void *p, int len);
111 struct data data_merge(struct data d1, struct data d2);
112 struct data data_append_cell(struct data d, cell_t word);
113 struct data data_append_integer(struct data d, uint64_t word, int bits);
114 struct data data_append_re(struct data d, const struct fdt_reserve_entry *re);
115 struct data data_append_addr(struct data d, uint64_t addr);
116 struct data data_append_byte(struct data d, uint8_t byte);
117 struct data data_append_zeroes(struct data d, int len);
118 struct data data_append_align(struct data d, int align);
120 struct data data_add_marker(struct data d, enum markertype type, char *ref);
122 int data_is_one_string(struct data d);
126 #define MAX_PROPNAME_LEN 31
127 #define MAX_NODENAME_LEN 31
141 struct property *next;
143 struct label *labels;
149 struct property *proplist;
150 struct node *children;
153 struct node *next_sibling;
159 int addr_cells, size_cells;
161 struct label *labels;
164 #define for_each_label_withdel(l0, l) \
165 for ((l) = (l0); (l); (l) = (l)->next)
167 #define for_each_label(l0, l) \
168 for_each_label_withdel(l0, l) \
171 #define for_each_property_withdel(n, p) \
172 for ((p) = (n)->proplist; (p); (p) = (p)->next)
174 #define for_each_property(n, p) \
175 for_each_property_withdel(n, p) \
178 #define for_each_child_withdel(n, c) \
179 for ((c) = (n)->children; (c); (c) = (c)->next_sibling)
181 #define for_each_child(n, c) \
182 for_each_child_withdel(n, c) \
185 void add_label(struct label **labels, char *label);
186 void delete_labels(struct label **labels);
188 struct property *build_property(char *name, struct data val);
189 struct property *build_property_delete(char *name);
190 struct property *chain_property(struct property *first, struct property *list);
191 struct property *reverse_properties(struct property *first);
193 struct node *build_node(struct property *proplist, struct node *children);
194 struct node *build_node_delete(void);
195 struct node *name_node(struct node *node, char *name);
196 struct node *chain_node(struct node *first, struct node *list);
197 struct node *merge_nodes(struct node *old_node, struct node *new_node);
199 void add_property(struct node *node, struct property *prop);
200 void delete_property_by_name(struct node *node, char *name);
201 void delete_property(struct property *prop);
202 void add_child(struct node *parent, struct node *child);
203 void delete_node_by_name(struct node *parent, char *name);
204 void delete_node(struct node *node);
206 const char *get_unitname(struct node *node);
207 struct property *get_property(struct node *node, const char *propname);
208 cell_t propval_cell(struct property *prop);
209 struct property *get_property_by_label(struct node *tree, const char *label,
211 struct marker *get_marker_label(struct node *tree, const char *label,
212 struct node **node, struct property **prop);
213 struct node *get_subnode(struct node *node, const char *nodename);
214 struct node *get_node_by_path(struct node *tree, const char *path);
215 struct node *get_node_by_label(struct node *tree, const char *label);
216 struct node *get_node_by_phandle(struct node *tree, cell_t phandle);
217 struct node *get_node_by_ref(struct node *tree, const char *ref);
218 cell_t get_node_phandle(struct node *root, struct node *node);
220 uint32_t guess_boot_cpuid(struct node *tree);
222 /* Boot info (tree plus memreserve information */
224 struct reserve_info {
225 struct fdt_reserve_entry re;
227 struct reserve_info *next;
229 struct label *labels;
232 struct reserve_info *build_reserve_entry(uint64_t start, uint64_t len);
233 struct reserve_info *chain_reserve_entry(struct reserve_info *first,
234 struct reserve_info *list);
235 struct reserve_info *add_reserve_entry(struct reserve_info *list,
236 struct reserve_info *new);
240 struct reserve_info *reservelist;
241 struct node *dt; /* the device tree */
242 uint32_t boot_cpuid_phys;
245 struct boot_info *build_boot_info(struct reserve_info *reservelist,
246 struct node *tree, uint32_t boot_cpuid_phys);
247 void sort_tree(struct boot_info *bi);
251 void parse_checks_option(bool warn, bool error, const char *optarg);
252 void process_checks(int force, struct boot_info *bi);
254 /* Flattened trees */
256 void dt_to_blob(FILE *f, struct boot_info *bi, int version);
257 void dt_to_asm(FILE *f, struct boot_info *bi, int version);
259 struct boot_info *dt_from_blob(const char *fname);
263 void dt_to_source(FILE *f, struct boot_info *bi);
264 struct boot_info *dt_from_source(const char *f);
268 struct boot_info *dt_from_fs(const char *dirname);