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 */
34 char *join_path(const char *path, const char *name)
36 int lenp = strlen(path);
37 int lenn = strlen(name);
42 len = lenp + lenn + 2;
43 if ((lenp > 0) && (path[lenp-1] == '/')) {
49 memcpy(str, path, lenp);
54 memcpy(str+lenp, name, lenn+1);
58 void fill_fullpaths(struct node *tree, const char *prefix)
63 tree->fullpath = join_path(prefix, tree->name);
65 unit = strchr(tree->name, '@');
67 tree->basenamelen = unit - tree->name;
69 tree->basenamelen = strlen(tree->name);
71 for_each_child(tree, child)
72 fill_fullpaths(child, tree->fullpath);
75 static void __attribute__ ((noreturn)) usage(void)
77 fprintf(stderr, "Usage:\n");
78 fprintf(stderr, "\tdtc [options] <input file>\n");
79 fprintf(stderr, "\nOptions:\n");
80 fprintf(stderr, "\t-h\n");
81 fprintf(stderr, "\t\tThis help text\n");
82 fprintf(stderr, "\t-q\n");
83 fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
84 fprintf(stderr, "\t-I <input format>\n");
85 fprintf(stderr, "\t\tInput formats are:\n");
86 fprintf(stderr, "\t\t\tdts - device tree source text\n");
87 fprintf(stderr, "\t\t\tdtb - device tree blob\n");
88 fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
89 fprintf(stderr, "\t-o <output file>\n");
90 fprintf(stderr, "\t-O <output format>\n");
91 fprintf(stderr, "\t\tOutput formats are:\n");
92 fprintf(stderr, "\t\t\tdts - device tree source text\n");
93 fprintf(stderr, "\t\t\tdtb - device tree blob\n");
94 fprintf(stderr, "\t\t\tasm - assembler source\n");
95 fprintf(stderr, "\t-V <output version>\n");
96 fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
97 fprintf(stderr, "\t-R <number>\n");
98 fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
99 fprintf(stderr, "\t-S <bytes>\n");
100 fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
101 fprintf(stderr, "\t-p <bytes>\n");
102 fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
103 fprintf(stderr, "\t-b <number>\n");
104 fprintf(stderr, "\t\tSet the physical boot cpu\n");
105 fprintf(stderr, "\t-f\n");
106 fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
107 fprintf(stderr, "\t-v\n");
108 fprintf(stderr, "\t\tPrint DTC version and exit\n");
112 int main(int argc, char *argv[])
114 struct boot_info *bi;
115 const char *inform = "dts";
116 const char *outform = "dts";
117 const char *outname = "-";
118 int force = 0, check = 0;
123 int outversion = DEFAULT_FDT_VERSION;
124 int boot_cpuid_phys = 0xfeedbeef;
131 while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:v")) != EOF) {
143 outversion = strtol(optarg, NULL, 0);
146 reservenum = strtol(optarg, NULL, 0);
149 minsize = strtol(optarg, NULL, 0);
152 padsize = strtol(optarg, NULL, 0);
164 boot_cpuid_phys = strtol(optarg, NULL, 0);
167 printf("Version: %s\n", DTC_VERSION);
175 if (argc > (optind+1))
177 else if (argc < (optind+1))
182 /* minsize and padsize are mutually exclusive */
183 if ((minsize) && (padsize)) {
184 die("Can't set both -p and -S\n");
187 fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
188 inform, outform, arg);
190 if (streq(inform, "dts")) {
191 bi = dt_from_source(arg);
192 } else if (streq(inform, "fs")) {
193 bi = dt_from_fs(arg);
194 } else if(streq(inform, "dtb")) {
195 inf = dtc_open_file(arg);
196 bi = dt_from_blob(inf);
198 die("Unknown input format \"%s\"\n", inform);
201 if (inf && (inf != stdin))
204 if (! bi || ! bi->dt)
205 die("Couldn't read input tree\n");
207 process_checks(force, bi, check, outversion, boot_cpuid_phys);
209 if (streq(outname, "-")) {
212 outf = fopen(outname, "w");
214 die("Couldn't open output file %s: %s\n",
215 outname, strerror(errno));
218 if (streq(outform, "dts")) {
219 dt_to_source(outf, bi);
220 } else if (streq(outform, "dtb")) {
221 dt_to_blob(outf, bi, outversion, boot_cpuid_phys);
222 } else if (streq(outform, "asm")) {
223 dt_to_asm(outf, bi, outversion, boot_cpuid_phys);
224 } else if (streq(outform, "null")) {
227 die("Unknown output format \"%s\"\n", outform);