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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - scripts/dtc/dtc.h
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
34 #include <libfdt_env.h>
40 #define debug(fmt,args...) printf(fmt, ##args)
42 #define debug(fmt,args...)
46 #define DEFAULT_FDT_VERSION 17
49 * Command line options
51 extern int quiet
; /* Level of quietness */
52 extern int reservenum
; /* Number of memory reservation slots */
53 extern int minsize
; /* Minimum blob size */
54 extern int padsize
; /* Additional padding to blob */
55 extern int phandle_format
; /* Use linux,phandle or phandle properties */
57 #define PHANDLE_LEGACY 0x1
58 #define PHANDLE_EPAPR 0x2
59 #define PHANDLE_BOTH 0x3
61 typedef uint32_t cell_t
;
64 #define streq(a, b) (strcmp((a), (b)) == 0)
65 #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
67 #define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
68 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
87 struct marker
*markers
;
91 #define empty_data ((struct data){ /* all .members = 0 or NULL */ })
93 #define for_each_marker(m) \
94 for (; (m); (m) = (m)->next)
95 #define for_each_marker_of_type(m, t) \
99 void data_free(struct data d
);
101 struct data
data_grow_for(struct data d
, int xlen
);
103 struct data
data_copy_mem(const char *mem
, int len
);
104 struct data
data_copy_escape_string(const char *s
, int len
);
105 struct data
data_copy_file(FILE *f
, size_t len
);
107 struct data
data_append_data(struct data d
, const void *p
, int len
);
108 struct data
data_insert_at_marker(struct data d
, struct marker
*m
,
109 const void *p
, int len
);
110 struct data
data_merge(struct data d1
, struct data d2
);
111 struct data
data_append_cell(struct data d
, cell_t word
);
112 struct data
data_append_re(struct data d
, const struct fdt_reserve_entry
*re
);
113 struct data
data_append_addr(struct data d
, uint64_t addr
);
114 struct data
data_append_byte(struct data d
, uint8_t byte
);
115 struct data
data_append_zeroes(struct data d
, int len
);
116 struct data
data_append_align(struct data d
, int align
);
118 struct data
data_add_marker(struct data d
, enum markertype type
, char *ref
);
120 int data_is_one_string(struct data d
);
124 #define MAX_PROPNAME_LEN 31
125 #define MAX_NODENAME_LEN 31
137 struct property
*next
;
139 struct label
*labels
;
144 struct property
*proplist
;
145 struct node
*children
;
148 struct node
*next_sibling
;
154 int addr_cells
, size_cells
;
156 struct label
*labels
;
159 #define for_each_label(l0, l) \
160 for ((l) = (l0); (l); (l) = (l)->next)
162 #define for_each_property(n, p) \
163 for ((p) = (n)->proplist; (p); (p) = (p)->next)
165 #define for_each_child(n, c) \
166 for ((c) = (n)->children; (c); (c) = (c)->next_sibling)
168 void add_label(struct label
**labels
, char *label
);
170 struct property
*build_property(char *name
, struct data val
);
171 struct property
*chain_property(struct property
*first
, struct property
*list
);
172 struct property
*reverse_properties(struct property
*first
);
174 struct node
*build_node(struct property
*proplist
, struct node
*children
);
175 struct node
*name_node(struct node
*node
, char *name
);
176 struct node
*chain_node(struct node
*first
, struct node
*list
);
177 struct node
*merge_nodes(struct node
*old_node
, struct node
*new_node
);
179 void add_property(struct node
*node
, struct property
*prop
);
180 void add_child(struct node
*parent
, struct node
*child
);
182 const char *get_unitname(struct node
*node
);
183 struct property
*get_property(struct node
*node
, const char *propname
);
184 cell_t
propval_cell(struct property
*prop
);
185 struct property
*get_property_by_label(struct node
*tree
, const char *label
,
187 struct marker
*get_marker_label(struct node
*tree
, const char *label
,
188 struct node
**node
, struct property
**prop
);
189 struct node
*get_subnode(struct node
*node
, const char *nodename
);
190 struct node
*get_node_by_path(struct node
*tree
, const char *path
);
191 struct node
*get_node_by_label(struct node
*tree
, const char *label
);
192 struct node
*get_node_by_phandle(struct node
*tree
, cell_t phandle
);
193 struct node
*get_node_by_ref(struct node
*tree
, const char *ref
);
194 cell_t
get_node_phandle(struct node
*root
, struct node
*node
);
196 uint32_t guess_boot_cpuid(struct node
*tree
);
198 /* Boot info (tree plus memreserve information */
200 struct reserve_info
{
201 struct fdt_reserve_entry re
;
203 struct reserve_info
*next
;
205 struct label
*labels
;
208 struct reserve_info
*build_reserve_entry(uint64_t start
, uint64_t len
);
209 struct reserve_info
*chain_reserve_entry(struct reserve_info
*first
,
210 struct reserve_info
*list
);
211 struct reserve_info
*add_reserve_entry(struct reserve_info
*list
,
212 struct reserve_info
*new);
216 struct reserve_info
*reservelist
;
217 struct node
*dt
; /* the device tree */
218 uint32_t boot_cpuid_phys
;
221 struct boot_info
*build_boot_info(struct reserve_info
*reservelist
,
222 struct node
*tree
, uint32_t boot_cpuid_phys
);
223 void sort_tree(struct boot_info
*bi
);
227 void process_checks(int force
, struct boot_info
*bi
);
229 /* Flattened trees */
231 void dt_to_blob(FILE *f
, struct boot_info
*bi
, int version
);
232 void dt_to_asm(FILE *f
, struct boot_info
*bi
, int version
);
234 struct boot_info
*dt_from_blob(const char *fname
);
238 void dt_to_source(FILE *f
, struct boot_info
*bi
);
239 struct boot_info
*dt_from_source(const char *f
);
243 struct boot_info
*dt_from_fs(const char *dirname
);