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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-R <number>\n");
75 fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
76 fprintf(stderr, "\t-S <bytes>\n");
77 fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
78 fprintf(stderr, "\t-p <bytes>\n");
79 fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
80 fprintf(stderr, "\t-b <number>\n");
81 fprintf(stderr, "\t\tSet the physical boot cpu\n");
82 fprintf(stderr, "\t-f\n");
83 fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
84 fprintf(stderr, "\t-s\n");
85 fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
86 fprintf(stderr, "\t-v\n");
87 fprintf(stderr, "\t\tPrint DTC version and exit\n");
88 fprintf(stderr, "\t-H <phandle format>\n");
89 fprintf(stderr, "\t\tphandle formats are:\n");
90 fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
91 fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
92 fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
93 exit(3);
94}
95
96int main(int argc, char *argv[])
97{
98 struct boot_info *bi;
99 const char *inform = "dts";
100 const char *outform = "dts";
101 const char *outname = "-";
102 int force = 0, check = 0, sort = 0;
103 const char *arg;
104 int opt;
105 FILE *outf = NULL;
106 int outversion = DEFAULT_FDT_VERSION;
107 long long cmdline_boot_cpuid = -1;
108
109 quiet = 0;
110 reservenum = 0;
111 minsize = 0;
112 padsize = 0;
113
114 while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:vH:s")) != EOF) {
115 switch (opt) {
116 case 'I':
117 inform = optarg;
118 break;
119 case 'O':
120 outform = optarg;
121 break;
122 case 'o':
123 outname = optarg;
124 break;
125 case 'V':
126 outversion = strtol(optarg, NULL, 0);
127 break;
128 case 'R':
129 reservenum = strtol(optarg, NULL, 0);
130 break;
131 case 'S':
132 minsize = strtol(optarg, NULL, 0);
133 break;
134 case 'p':
135 padsize = strtol(optarg, NULL, 0);
136 break;
137 case 'f':
138 force = 1;
139 break;
140 case 'c':
141 check = 1;
142 break;
143 case 'q':
144 quiet++;
145 break;
146 case 'b':
147 cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
148 break;
149 case 'v':
150 printf("Version: %s\n", DTC_VERSION);
151 exit(0);
152 case 'H':
153 if (streq(optarg, "legacy"))
154 phandle_format = PHANDLE_LEGACY;
155 else if (streq(optarg, "epapr"))
156 phandle_format = PHANDLE_EPAPR;
157 else if (streq(optarg, "both"))
158 phandle_format = PHANDLE_BOTH;
159 else
160 die("Invalid argument \"%s\" to -H option\n",
161 optarg);
162 break;
163
164 case 's':
165 sort = 1;
166 break;
167
168 case 'h':
169 default:
170 usage();
171 }
172 }
173
174 if (argc > (optind+1))
175 usage();
176 else if (argc < (optind+1))
177 arg = "-";
178 else
179 arg = argv[optind];
180
181
182 if (minsize && padsize)
183 die("Can't set both -p and -S\n");
184
185 if (minsize)
186 fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
187
188 fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
189 inform, outform, arg);
190
191 if (streq(inform, "dts"))
192 bi = dt_from_source(arg);
193 else if (streq(inform, "fs"))
194 bi = dt_from_fs(arg);
195 else if(streq(inform, "dtb"))
196 bi = dt_from_blob(arg);
197 else
198 die("Unknown input format \"%s\"\n", inform);
199
200 if (cmdline_boot_cpuid != -1)
201 bi->boot_cpuid_phys = cmdline_boot_cpuid;
202
203 fill_fullpaths(bi->dt, "");
204 process_checks(force, bi);
205
206 if (sort)
207 sort_tree(bi);
208
209 if (streq(outname, "-")) {
210 outf = stdout;
211 } else {
212 outf = fopen(outname, "w");
213 if (! outf)
214 die("Couldn't open output file %s: %s\n",
215 outname, strerror(errno));
216 }
217
218 if (streq(outform, "dts")) {
219 dt_to_source(outf, bi);
220 } else if (streq(outform, "dtb")) {
221 dt_to_blob(outf, bi, outversion);
222 } else if (streq(outform, "asm")) {
223 dt_to_asm(outf, bi, outversion);
224 } else if (streq(outform, "null")) {
225
226 } else {
227 die("Unknown output format \"%s\"\n", outform);
228 }
229
230 exit(0);
231}
232
