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
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
);
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