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21#include "dtc.h"
22#include "srcpos.h"
23
24#include "version_gen.h"
25
26
27
28
29int quiet;
30int reservenum;
31int minsize;
32int padsize;
33int phandle_format = PHANDLE_BOTH;
34
35static void fill_fullpaths(struct node *tree, const char *prefix)
36{
37 struct node *child;
38 const char *unit;
39
40 tree->fullpath = join_path(prefix, tree->name);
41
42 unit = strchr(tree->name, '@');
43 if (unit)
44 tree->basenamelen = unit - tree->name;
45 else
46 tree->basenamelen = strlen(tree->name);
47
48 for_each_child(tree, child)
49 fill_fullpaths(child, tree->fullpath);
50}
51
52static void __attribute__ ((noreturn)) usage(void)
53{
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");
99 exit(3);
100}
101
102int main(int argc, char *argv[])
103{
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;
110 const char *arg;
111 int opt;
112 FILE *outf = NULL;
113 int outversion = DEFAULT_FDT_VERSION;
114 long long cmdline_boot_cpuid = -1;
115
116 quiet = 0;
117 reservenum = 0;
118 minsize = 0;
119 padsize = 0;
120
121 while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fqb:i:vH:sW:E:"))
122 != EOF) {
123 switch (opt) {
124 case 'I':
125 inform = optarg;
126 break;
127 case 'O':
128 outform = optarg;
129 break;
130 case 'o':
131 outname = optarg;
132 break;
133 case 'V':
134 outversion = strtol(optarg, NULL, 0);
135 break;
136 case 'd':
137 depname = optarg;
138 break;
139 case 'R':
140 reservenum = strtol(optarg, NULL, 0);
141 break;
142 case 'S':
143 minsize = strtol(optarg, NULL, 0);
144 break;
145 case 'p':
146 padsize = strtol(optarg, NULL, 0);
147 break;
148 case 'f':
149 force = 1;
150 break;
151 case 'q':
152 quiet++;
153 break;
154 case 'b':
155 cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
156 break;
157 case 'i':
158 srcfile_add_search_path(optarg);
159 break;
160 case 'v':
161 printf("Version: %s\n", DTC_VERSION);
162 exit(0);
163 case 'H':
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;
170 else
171 die("Invalid argument \"%s\" to -H option\n",
172 optarg);
173 break;
174
175 case 's':
176 sort = 1;
177 break;
178
179 case 'W':
180 parse_checks_option(true, false, optarg);
181 break;
182
183 case 'E':
184 parse_checks_option(false, true, optarg);
185 break;
186
187 case 'h':
188 default:
189 usage();
190 }
191 }
192
193 if (argc > (optind+1))
194 usage();
195 else if (argc < (optind+1))
196 arg = "-";
197 else
198 arg = argv[optind];
199
200
201 if (minsize && padsize)
202 die("Can't set both -p and -S\n");
203
204 if (minsize)
205 fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
206
207 if (depname) {
208 depfile = fopen(depname, "w");
209 if (!depfile)
210 die("Couldn't open dependency file %s: %s\n", depname,
211 strerror(errno));
212 fprintf(depfile, "%s:", outname);
213 }
214
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);
221 else
222 die("Unknown input format \"%s\"\n", inform);
223
224 if (depfile) {
225 fputc('\n', depfile);
226 fclose(depfile);
227 }
228
229 if (cmdline_boot_cpuid != -1)
230 bi->boot_cpuid_phys = cmdline_boot_cpuid;
231
232 fill_fullpaths(bi->dt, "");
233 process_checks(force, bi);
234
235 if (sort)
236 sort_tree(bi);
237
238 if (streq(outname, "-")) {
239 outf = stdout;
240 } else {
241 outf = fopen(outname, "w");
242 if (! outf)
243 die("Couldn't open output file %s: %s\n",
244 outname, strerror(errno));
245 }
246
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")) {
254
255 } else {
256 die("Unknown output format \"%s\"\n", outform);
257 }
258
259 exit(0);
260}
261
