| #ifndef _DTC_H |
| #define _DTC_H |
| |
| /* |
| * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. |
| * |
| * |
| * This program 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 program 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 program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| * USA |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <stdarg.h> |
| #include <assert.h> |
| #include <ctype.h> |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include <libfdt_env.h> |
| #include <fdt.h> |
| |
| #include "util.h" |
| |
| #ifdef DEBUG |
| #define debug(...) printf(__VA_ARGS__) |
| #else |
| #define debug(...) |
| #endif |
| |
| |
| #define DEFAULT_FDT_VERSION 17 |
| |
| /* |
| * Command line options |
| */ |
| extern int quiet; /* Level of quietness */ |
| extern int reservenum; /* Number of memory reservation slots */ |
| extern int minsize; /* Minimum blob size */ |
| extern int padsize; /* Additional padding to blob */ |
| extern int phandle_format; /* Use linux,phandle or phandle properties */ |
| |
| #define PHANDLE_LEGACY 0x1 |
| #define PHANDLE_EPAPR 0x2 |
| #define PHANDLE_BOTH 0x3 |
| |
| typedef uint32_t cell_t; |
| |
| |
| #define streq(a, b) (strcmp((a), (b)) == 0) |
| #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) |
| |
| #define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) |
| |
| /* Data blobs */ |
| enum markertype { |
| REF_PHANDLE, |
| REF_PATH, |
| LABEL, |
| }; |
| |
| struct marker { |
| enum markertype type; |
| int offset; |
| char *ref; |
| struct marker *next; |
| }; |
| |
| struct data { |
| int len; |
| char *val; |
| struct marker *markers; |
| }; |
| |
| |
| #define empty_data ((struct data){ 0 /* all .members = 0 or NULL */ }) |
| |
| #define for_each_marker(m) \ |
| for (; (m); (m) = (m)->next) |
| #define for_each_marker_of_type(m, t) \ |
| for_each_marker(m) \ |
| if ((m)->type == (t)) |
| |
| void data_free(struct data d); |
| |
| struct data data_grow_for(struct data d, int xlen); |
| |
| struct data data_copy_mem(const char *mem, int len); |
| struct data data_copy_escape_string(const char *s, int len); |
| struct data data_copy_file(FILE *f, size_t len); |
| |
| struct data data_append_data(struct data d, const void *p, int len); |
| struct data data_insert_at_marker(struct data d, struct marker *m, |
| const void *p, int len); |
| struct data data_merge(struct data d1, struct data d2); |
| struct data data_append_cell(struct data d, cell_t word); |
| struct data data_append_integer(struct data d, uint64_t word, int bits); |
| struct data data_append_re(struct data d, const struct fdt_reserve_entry *re); |
| struct data data_append_addr(struct data d, uint64_t addr); |
| struct data data_append_byte(struct data d, uint8_t byte); |
| struct data data_append_zeroes(struct data d, int len); |
| struct data data_append_align(struct data d, int align); |
| |
| struct data data_add_marker(struct data d, enum markertype type, char *ref); |
| |
| bool data_is_one_string(struct data d); |
| |
| /* DT constraints */ |
| |
| #define MAX_PROPNAME_LEN 31 |
| #define MAX_NODENAME_LEN 31 |
| |
| /* Live trees */ |
| struct label { |
| bool deleted; |
| char *label; |
| struct label *next; |
| }; |
| |
| struct property { |
| bool deleted; |
| char *name; |
| struct data val; |
| |
| struct property *next; |
| |
| struct label *labels; |
| }; |
| |
| struct node { |
| bool deleted; |
| char *name; |
| struct property *proplist; |
| struct node *children; |
| |
| struct node *parent; |
| struct node *next_sibling; |
| |
| char *fullpath; |
| int basenamelen; |
| |
| cell_t phandle; |
| int addr_cells, size_cells; |
| |
| struct label *labels; |
| }; |
| |
| #define for_each_label_withdel(l0, l) \ |
| for ((l) = (l0); (l); (l) = (l)->next) |
| |
| #define for_each_label(l0, l) \ |
| for_each_label_withdel(l0, l) \ |
| if (!(l)->deleted) |
| |
| #define for_each_property_withdel(n, p) \ |
| for ((p) = (n)->proplist; (p); (p) = (p)->next) |
| |
| #define for_each_property(n, p) \ |
| for_each_property_withdel(n, p) \ |
| if (!(p)->deleted) |
| |
| #define for_each_child_withdel(n, c) \ |
| for ((c) = (n)->children; (c); (c) = (c)->next_sibling) |
| |
| #define for_each_child(n, c) \ |
| for_each_child_withdel(n, c) \ |
| if (!(c)->deleted) |
| |
| void add_label(struct label **labels, char *label); |
| void delete_labels(struct label **labels); |
| |
| struct property *build_property(char *name, struct data val); |
| struct property *build_property_delete(char *name); |
| struct property *chain_property(struct property *first, struct property *list); |
| struct property *reverse_properties(struct property *first); |
| |
| struct node *build_node(struct property *proplist, struct node *children); |
| struct node *build_node_delete(void); |
| struct node *name_node(struct node *node, char *name); |
| struct node *chain_node(struct node *first, struct node *list); |
| struct node *merge_nodes(struct node *old_node, struct node *new_node); |
| |
| void add_property(struct node *node, struct property *prop); |
| void delete_property_by_name(struct node *node, char *name); |
| void delete_property(struct property *prop); |
| void add_child(struct node *parent, struct node *child); |
| void delete_node_by_name(struct node *parent, char *name); |
| void delete_node(struct node *node); |
| |
| const char *get_unitname(struct node *node); |
| struct property *get_property(struct node *node, const char *propname); |
| cell_t propval_cell(struct property *prop); |
| struct property *get_property_by_label(struct node *tree, const char *label, |
| struct node **node); |
| struct marker *get_marker_label(struct node *tree, const char *label, |
| struct node **node, struct property **prop); |
| struct node *get_subnode(struct node *node, const char *nodename); |
| struct node *get_node_by_path(struct node *tree, const char *path); |
| struct node *get_node_by_label(struct node *tree, const char *label); |
| struct node *get_node_by_phandle(struct node *tree, cell_t phandle); |
| struct node *get_node_by_ref(struct node *tree, const char *ref); |
| cell_t get_node_phandle(struct node *root, struct node *node); |
| |
| uint32_t guess_boot_cpuid(struct node *tree); |
| |
| /* Boot info (tree plus memreserve information */ |
| |
| struct reserve_info { |
| struct fdt_reserve_entry re; |
| |
| struct reserve_info *next; |
| |
| struct label *labels; |
| }; |
| |
| struct reserve_info *build_reserve_entry(uint64_t start, uint64_t len); |
| struct reserve_info *chain_reserve_entry(struct reserve_info *first, |
| struct reserve_info *list); |
| struct reserve_info *add_reserve_entry(struct reserve_info *list, |
| struct reserve_info *new); |
| |
| |
| struct boot_info { |
| struct reserve_info *reservelist; |
| struct node *dt; /* the device tree */ |
| uint32_t boot_cpuid_phys; |
| }; |
| |
| struct boot_info *build_boot_info(struct reserve_info *reservelist, |
| struct node *tree, uint32_t boot_cpuid_phys); |
| void sort_tree(struct boot_info *bi); |
| |
| /* Checks */ |
| |
| void parse_checks_option(bool warn, bool error, const char *arg); |
| void process_checks(bool force, struct boot_info *bi); |
| |
| /* Flattened trees */ |
| |
| void dt_to_blob(FILE *f, struct boot_info *bi, int version); |
| void dt_to_asm(FILE *f, struct boot_info *bi, int version); |
| |
| struct boot_info *dt_from_blob(const char *fname); |
| |
| /* Tree source */ |
| |
| void dt_to_source(FILE *f, struct boot_info *bi); |
| struct boot_info *dt_from_source(const char *f); |
| |
| /* FS trees */ |
| |
| struct boot_info *dt_from_fs(const char *dirname); |
| |
| #endif /* _DTC_H */ |