5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 * Command line options
27 int quiet; /* Level of quietness */
28 int reservenum; /* Number of memory reservation slots */
29 int minsize; /* Minimum blob size */
30 int padsize; /* Additional padding to blob */
31 int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
33 static void fill_fullpaths(struct node *tree, const char *prefix)
38 tree->fullpath = join_path(prefix, tree->name);
40 unit = strchr(tree->name, '@');
42 tree->basenamelen = unit - tree->name;
44 tree->basenamelen = strlen(tree->name);
46 for_each_child(tree, child)
47 fill_fullpaths(child, tree->fullpath);
50 /* Usage related data. */
51 static const char usage_synopsis[] = "dtc [options] <input file>";
52 static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv";
53 static struct option const usage_long_opts[] = {
54 {"quiet", no_argument, NULL, 'q'},
55 {"in-format", a_argument, NULL, 'I'},
56 {"out", a_argument, NULL, 'o'},
57 {"out-format", a_argument, NULL, 'O'},
58 {"out-version", a_argument, NULL, 'V'},
59 {"out-dependency", a_argument, NULL, 'd'},
60 {"reserve", a_argument, NULL, 'R'},
61 {"space", a_argument, NULL, 'S'},
62 {"pad", a_argument, NULL, 'p'},
63 {"boot-cpu", a_argument, NULL, 'b'},
64 {"force", no_argument, NULL, 'f'},
65 {"include", a_argument, NULL, 'i'},
66 {"sort", no_argument, NULL, 's'},
67 {"phandle", a_argument, NULL, 'H'},
68 {"warning", a_argument, NULL, 'W'},
69 {"error", a_argument, NULL, 'E'},
70 {"help", no_argument, NULL, 'h'},
71 {"version", no_argument, NULL, 'v'},
72 {NULL, no_argument, NULL, 0x0},
74 static const char * const usage_opts_help[] = {
75 "\n\tQuiet: -q suppress warnings, -qq errors, -qqq all",
76 "\n\tInput formats are:\n"
77 "\t\tdts - device tree source text\n"
78 "\t\tdtb - device tree blob\n"
79 "\t\tfs - /proc/device-tree style directory",
81 "\n\tOutput formats are:\n"
82 "\t\tdts - device tree source text\n"
83 "\t\tdtb - device tree blob\n"
84 "\t\tasm - assembler source",
85 "\n\tBlob version to produce, defaults to %d (for dtb and asm output)", //, DEFAULT_FDT_VERSION);
86 "\n\tOutput dependency file",
87 "\n\ttMake space for <number> reserve map entries (for dtb and asm output)",
88 "\n\tMake the blob at least <bytes> long (extra space)",
89 "\n\tAdd padding to the blob of <bytes> long (extra space)",
90 "\n\tSet the physical boot cpu",
91 "\n\tTry to produce output even if the input tree has errors",
92 "\n\tAdd a path to search for include files",
93 "\n\tSort nodes and properties before outputting (useful for comparing trees)",
94 "\n\tValid phandle formats are:\n"
95 "\t\tlegacy - \"linux,phandle\" properties only\n"
96 "\t\tepapr - \"phandle\" properties only\n"
97 "\t\tboth - Both \"linux,phandle\" and \"phandle\" properties",
98 "\n\tEnable/disable warnings (prefix with \"no-\")",
99 "\n\tEnable/disable errors (prefix with \"no-\")",
100 "\n\tPrint this help and exit",
101 "\n\tPrint version and exit",
105 int main(int argc, char *argv[])
107 struct boot_info *bi;
108 const char *inform = "dts";
109 const char *outform = "dts";
110 const char *outname = "-";
111 const char *depname = NULL;
112 int force = 0, sort = 0;
116 int outversion = DEFAULT_FDT_VERSION;
117 long long cmdline_boot_cpuid = -1;
124 while ((opt = util_getopt_long()) != EOF) {
136 outversion = strtol(optarg, NULL, 0);
142 reservenum = strtol(optarg, NULL, 0);
145 minsize = strtol(optarg, NULL, 0);
148 padsize = strtol(optarg, NULL, 0);
157 cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
160 srcfile_add_search_path(optarg);
165 if (streq(optarg, "legacy"))
166 phandle_format = PHANDLE_LEGACY;
167 else if (streq(optarg, "epapr"))
168 phandle_format = PHANDLE_EPAPR;
169 else if (streq(optarg, "both"))
170 phandle_format = PHANDLE_BOTH;
172 die("Invalid argument \"%s\" to -H option\n",
181 parse_checks_option(true, false, optarg);
185 parse_checks_option(false, true, optarg);
191 usage("unknown option");
195 if (argc > (optind+1))
196 usage("missing files");
197 else if (argc < (optind+1))
202 /* minsize and padsize are mutually exclusive */
203 if (minsize && padsize)
204 die("Can't set both -p and -S\n");
207 depfile = fopen(depname, "w");
209 die("Couldn't open dependency file %s: %s\n", depname,
211 fprintf(depfile, "%s:", outname);
214 if (streq(inform, "dts"))
215 bi = dt_from_source(arg);
216 else if (streq(inform, "fs"))
217 bi = dt_from_fs(arg);
218 else if(streq(inform, "dtb"))
219 bi = dt_from_blob(arg);
221 die("Unknown input format \"%s\"\n", inform);
224 fputc('\n', depfile);
228 if (cmdline_boot_cpuid != -1)
229 bi->boot_cpuid_phys = cmdline_boot_cpuid;
231 fill_fullpaths(bi->dt, "");
232 process_checks(force, bi);
237 if (streq(outname, "-")) {
240 outf = fopen(outname, "w");
242 die("Couldn't open output file %s: %s\n",
243 outname, strerror(errno));
246 if (streq(outform, "dts")) {
247 dt_to_source(outf, bi);
248 } else if (streq(outform, "dtb")) {
249 dt_to_blob(outf, bi, outversion);
250 } else if (streq(outform, "asm")) {
251 dt_to_asm(outf, bi, outversion);
252 } else if (streq(outform, "null")) {
255 die("Unknown output format \"%s\"\n", outform);