blob: e3c96536fd9db090c184a5d6f3a83ee8226b621b [file] [log] [blame]
David Gibsona4da2e32007-12-18 15:06:42 +11001/*
2 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
3 *
4 *
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.
9 *
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.
14 *
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
18 * USA
19 */
20
21#include "dtc.h"
22#include "srcpos.h"
23
David Gibsona4da2e32007-12-18 15:06:42 +110024/*
25 * Command line options
26 */
27int quiet; /* Level of quietness */
28int reservenum; /* Number of memory reservation slots */
29int minsize; /* Minimum blob size */
30int padsize; /* Additional padding to blob */
John Bonesio658f29a2010-11-17 15:28:20 -080031int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
David Gibsona4da2e32007-12-18 15:06:42 +110032
David Gibsoned95d742008-08-07 12:24:17 +100033static void fill_fullpaths(struct node *tree, const char *prefix)
David Gibsona4da2e32007-12-18 15:06:42 +110034{
35 struct node *child;
36 const char *unit;
37
38 tree->fullpath = join_path(prefix, tree->name);
39
40 unit = strchr(tree->name, '@');
41 if (unit)
42 tree->basenamelen = unit - tree->name;
43 else
44 tree->basenamelen = strlen(tree->name);
45
46 for_each_child(tree, child)
47 fill_fullpaths(child, tree->fullpath);
48}
49
Grant Likely73ab39b2014-01-21 12:54:49 +000050/* Usage related data. */
51static const char usage_synopsis[] = "dtc [options] <input file>";
52static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv";
53static 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},
73};
74static 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",
80 "\n\tOutput file",
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",
102 NULL,
103};
David Gibsona4da2e32007-12-18 15:06:42 +1100104
105int main(int argc, char *argv[])
106{
107 struct boot_info *bi;
108 const char *inform = "dts";
109 const char *outform = "dts";
110 const char *outname = "-";
Stephen Warren136ec202012-01-10 17:27:52 -0700111 const char *depname = NULL;
Felipe Balbidb7f4e32012-01-26 13:20:07 +0200112 int force = 0, sort = 0;
David Gibsona4da2e32007-12-18 15:06:42 +1100113 const char *arg;
114 int opt;
David Gibsona4da2e32007-12-18 15:06:42 +1100115 FILE *outf = NULL;
116 int outversion = DEFAULT_FDT_VERSION;
David Gibsoned95d742008-08-07 12:24:17 +1000117 long long cmdline_boot_cpuid = -1;
David Gibsona4da2e32007-12-18 15:06:42 +1100118
119 quiet = 0;
120 reservenum = 0;
121 minsize = 0;
122 padsize = 0;
123
Grant Likely73ab39b2014-01-21 12:54:49 +0000124 while ((opt = util_getopt_long()) != EOF) {
David Gibsona4da2e32007-12-18 15:06:42 +1100125 switch (opt) {
126 case 'I':
127 inform = optarg;
128 break;
129 case 'O':
130 outform = optarg;
131 break;
132 case 'o':
133 outname = optarg;
134 break;
135 case 'V':
136 outversion = strtol(optarg, NULL, 0);
137 break;
Stephen Warren136ec202012-01-10 17:27:52 -0700138 case 'd':
139 depname = optarg;
140 break;
David Gibsona4da2e32007-12-18 15:06:42 +1100141 case 'R':
142 reservenum = strtol(optarg, NULL, 0);
143 break;
144 case 'S':
145 minsize = strtol(optarg, NULL, 0);
146 break;
147 case 'p':
148 padsize = strtol(optarg, NULL, 0);
149 break;
150 case 'f':
151 force = 1;
152 break;
David Gibsona4da2e32007-12-18 15:06:42 +1100153 case 'q':
154 quiet++;
155 break;
156 case 'b':
David Gibsoned95d742008-08-07 12:24:17 +1000157 cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
David Gibsona4da2e32007-12-18 15:06:42 +1100158 break;
Stephen Warrencd296722012-09-28 21:25:59 +0000159 case 'i':
160 srcfile_add_search_path(optarg);
161 break;
David Gibsona4da2e32007-12-18 15:06:42 +1100162 case 'v':
Grant Likely73ab39b2014-01-21 12:54:49 +0000163 util_version();
John Bonesio658f29a2010-11-17 15:28:20 -0800164 case 'H':
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;
171 else
172 die("Invalid argument \"%s\" to -H option\n",
173 optarg);
174 break;
175
176 case 's':
177 sort = 1;
178 break;
179
Stephen Warrencd296722012-09-28 21:25:59 +0000180 case 'W':
181 parse_checks_option(true, false, optarg);
182 break;
183
184 case 'E':
185 parse_checks_option(false, true, optarg);
186 break;
187
David Gibsona4da2e32007-12-18 15:06:42 +1100188 case 'h':
Grant Likely73ab39b2014-01-21 12:54:49 +0000189 usage(NULL);
David Gibsona4da2e32007-12-18 15:06:42 +1100190 default:
Grant Likely73ab39b2014-01-21 12:54:49 +0000191 usage("unknown option");
David Gibsona4da2e32007-12-18 15:06:42 +1100192 }
193 }
194
195 if (argc > (optind+1))
Grant Likely73ab39b2014-01-21 12:54:49 +0000196 usage("missing files");
David Gibsona4da2e32007-12-18 15:06:42 +1100197 else if (argc < (optind+1))
198 arg = "-";
199 else
200 arg = argv[optind];
201
202 /* minsize and padsize are mutually exclusive */
David Gibsoned95d742008-08-07 12:24:17 +1000203 if (minsize && padsize)
David Gibsona4da2e32007-12-18 15:06:42 +1100204 die("Can't set both -p and -S\n");
David Gibsona4da2e32007-12-18 15:06:42 +1100205
Stephen Warren136ec202012-01-10 17:27:52 -0700206 if (depname) {
207 depfile = fopen(depname, "w");
208 if (!depfile)
209 die("Couldn't open dependency file %s: %s\n", depname,
210 strerror(errno));
211 fprintf(depfile, "%s:", outname);
212 }
213
David Gibsoned95d742008-08-07 12:24:17 +1000214 if (streq(inform, "dts"))
David Gibsona4da2e32007-12-18 15:06:42 +1100215 bi = dt_from_source(arg);
David Gibsoned95d742008-08-07 12:24:17 +1000216 else if (streq(inform, "fs"))
David Gibsona4da2e32007-12-18 15:06:42 +1100217 bi = dt_from_fs(arg);
David Gibsoned95d742008-08-07 12:24:17 +1000218 else if(streq(inform, "dtb"))
219 bi = dt_from_blob(arg);
220 else
David Gibsona4da2e32007-12-18 15:06:42 +1100221 die("Unknown input format \"%s\"\n", inform);
David Gibsona4da2e32007-12-18 15:06:42 +1100222
Stephen Warren136ec202012-01-10 17:27:52 -0700223 if (depfile) {
224 fputc('\n', depfile);
225 fclose(depfile);
226 }
227
David Gibsoned95d742008-08-07 12:24:17 +1000228 if (cmdline_boot_cpuid != -1)
229 bi->boot_cpuid_phys = cmdline_boot_cpuid;
David Gibsona4da2e32007-12-18 15:06:42 +1100230
David Gibsoned95d742008-08-07 12:24:17 +1000231 fill_fullpaths(bi->dt, "");
232 process_checks(force, bi);
David Gibsona4da2e32007-12-18 15:06:42 +1100233
John Bonesio658f29a2010-11-17 15:28:20 -0800234 if (sort)
235 sort_tree(bi);
David Gibsona4da2e32007-12-18 15:06:42 +1100236
237 if (streq(outname, "-")) {
238 outf = stdout;
239 } else {
240 outf = fopen(outname, "w");
241 if (! outf)
242 die("Couldn't open output file %s: %s\n",
243 outname, strerror(errno));
244 }
245
246 if (streq(outform, "dts")) {
247 dt_to_source(outf, bi);
248 } else if (streq(outform, "dtb")) {
David Gibsoned95d742008-08-07 12:24:17 +1000249 dt_to_blob(outf, bi, outversion);
David Gibsona4da2e32007-12-18 15:06:42 +1100250 } else if (streq(outform, "asm")) {
David Gibsoned95d742008-08-07 12:24:17 +1000251 dt_to_asm(outf, bi, outversion);
David Gibsona4da2e32007-12-18 15:06:42 +1100252 } else if (streq(outform, "null")) {
253 /* do nothing */
254 } else {
255 die("Unknown output format \"%s\"\n", outform);
256 }
257
258 exit(0);
259}