2 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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
24 #include "version_gen.h"
27 * Command line options
29 int quiet; /* Level of quietness */
30 int reservenum; /* Number of memory reservation slots */
31 int minsize; /* Minimum blob size */
32 int padsize; /* Additional padding to blob */
33 int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
35 static void fill_fullpaths(struct node *tree, const char *prefix)
40 tree->fullpath = join_path(prefix, tree->name);
42 unit = strchr(tree->name, '@');
44 tree->basenamelen = unit - tree->name;
46 tree->basenamelen = strlen(tree->name);
48 for_each_child(tree, child)
49 fill_fullpaths(child, tree->fullpath);
52 static void __attribute__ ((noreturn)) usage(void)
54 fprintf(stderr, "Usage:\n");
55 fprintf(stderr, "\tdtc [options] <input file>\n");
56 fprintf(stderr, "\nOptions:\n");
57 fprintf(stderr, "\t-h\n");
58 fprintf(stderr, "\t\tThis help text\n");
59 fprintf(stderr, "\t-q\n");
60 fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
61 fprintf(stderr, "\t-I <input format>\n");
62 fprintf(stderr, "\t\tInput formats are:\n");
63 fprintf(stderr, "\t\t\tdts - device tree source text\n");
64 fprintf(stderr, "\t\t\tdtb - device tree blob\n");
65 fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
66 fprintf(stderr, "\t-o <output file>\n");
67 fprintf(stderr, "\t-O <output format>\n");
68 fprintf(stderr, "\t\tOutput formats are:\n");
69 fprintf(stderr, "\t\t\tdts - device tree source text\n");
70 fprintf(stderr, "\t\t\tdtb - device tree blob\n");
71 fprintf(stderr, "\t\t\tasm - assembler source\n");
72 fprintf(stderr, "\t-V <output version>\n");
73 fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
74 fprintf(stderr, "\t-d <output dependency file>\n");
75 fprintf(stderr, "\t-R <number>\n");
76 fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
77 fprintf(stderr, "\t-S <bytes>\n");
78 fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
79 fprintf(stderr, "\t-p <bytes>\n");
80 fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
81 fprintf(stderr, "\t-b <number>\n");
82 fprintf(stderr, "\t\tSet the physical boot cpu\n");
83 fprintf(stderr, "\t-f\n");
84 fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
85 fprintf(stderr, "\t-i\n");
86 fprintf(stderr, "\t\tAdd a path to search for include files\n");
87 fprintf(stderr, "\t-s\n");
88 fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
89 fprintf(stderr, "\t-v\n");
90 fprintf(stderr, "\t\tPrint DTC version and exit\n");
91 fprintf(stderr, "\t-H <phandle format>\n");
92 fprintf(stderr, "\t\tphandle formats are:\n");
93 fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
94 fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
95 fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
96 fprintf(stderr, "\t-W [no-]<checkname>\n");
97 fprintf(stderr, "\t-E [no-]<checkname>\n");
98 fprintf(stderr, "\t\t\tenable or disable warnings and errors\n");
102 int main(int argc, char *argv[])
104 struct boot_info *bi;
105 const char *inform = "dts";
106 const char *outform = "dts";
107 const char *outname = "-";
108 const char *depname = NULL;
109 int force = 0, sort = 0;
113 int outversion = DEFAULT_FDT_VERSION;
114 long long cmdline_boot_cpuid = -1;
121 while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fqb:i:vH:sW:E:"))
134 outversion = strtol(optarg, NULL, 0);
140 reservenum = strtol(optarg, NULL, 0);
143 minsize = strtol(optarg, NULL, 0);
146 padsize = strtol(optarg, NULL, 0);
155 cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
158 srcfile_add_search_path(optarg);
161 printf("Version: %s\n", DTC_VERSION);
164 if (streq(optarg, "legacy"))
165 phandle_format = PHANDLE_LEGACY;
166 else if (streq(optarg, "epapr"))
167 phandle_format = PHANDLE_EPAPR;
168 else if (streq(optarg, "both"))
169 phandle_format = PHANDLE_BOTH;
171 die("Invalid argument \"%s\" to -H option\n",
180 parse_checks_option(true, false, optarg);
184 parse_checks_option(false, true, optarg);
193 if (argc > (optind+1))
195 else if (argc < (optind+1))
200 /* minsize and padsize are mutually exclusive */
201 if (minsize && padsize)
202 die("Can't set both -p and -S\n");
205 fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
208 depfile = fopen(depname, "w");
210 die("Couldn't open dependency file %s: %s\n", depname,
212 fprintf(depfile, "%s:", outname);
215 if (streq(inform, "dts"))
216 bi = dt_from_source(arg);
217 else if (streq(inform, "fs"))
218 bi = dt_from_fs(arg);
219 else if(streq(inform, "dtb"))
220 bi = dt_from_blob(arg);
222 die("Unknown input format \"%s\"\n", inform);
225 fputc('\n', depfile);
229 if (cmdline_boot_cpuid != -1)
230 bi->boot_cpuid_phys = cmdline_boot_cpuid;
232 fill_fullpaths(bi->dt, "");
233 process_checks(force, bi);
238 if (streq(outname, "-")) {
241 outf = fopen(outname, "w");
243 die("Couldn't open output file %s: %s\n",
244 outname, strerror(errno));
247 if (streq(outform, "dts")) {
248 dt_to_source(outf, bi);
249 } else if (streq(outform, "dtb")) {
250 dt_to_blob(outf, bi, outversion);
251 } else if (streq(outform, "asm")) {
252 dt_to_asm(outf, bi, outversion);
253 } else if (streq(outform, "null")) {
256 die("Unknown output format \"%s\"\n", outform);