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a4da2e3e DG |
1 | /* |
2 | * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. | |
3 | * | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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 | |
18 | * USA | |
19 | */ | |
20 | ||
21 | #include "dtc.h" | |
22 | #include "srcpos.h" | |
23 | ||
24 | #include "version_gen.h" | |
25 | ||
26 | /* | |
27 | * Command line options | |
28 | */ | |
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 */ | |
658f29a5 | 33 | int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */ |
a4da2e3e | 34 | |
ed95d745 | 35 | static void fill_fullpaths(struct node *tree, const char *prefix) |
a4da2e3e DG |
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 | ||
52 | static 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); | |
136ec204 | 74 | fprintf(stderr, "\t-d <output dependency file>\n"); |
a4da2e3e DG |
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"); | |
658f29a5 JB |
85 | fprintf(stderr, "\t-s\n"); |
86 | fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n"); | |
a4da2e3e DG |
87 | fprintf(stderr, "\t-v\n"); |
88 | fprintf(stderr, "\t\tPrint DTC version and exit\n"); | |
658f29a5 JB |
89 | fprintf(stderr, "\t-H <phandle format>\n"); |
90 | fprintf(stderr, "\t\tphandle formats are:\n"); | |
91 | fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n"); | |
92 | fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n"); | |
93 | fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n"); | |
ed95d745 | 94 | exit(3); |
a4da2e3e DG |
95 | } |
96 | ||
97 | int main(int argc, char *argv[]) | |
98 | { | |
99 | struct boot_info *bi; | |
100 | const char *inform = "dts"; | |
101 | const char *outform = "dts"; | |
102 | const char *outname = "-"; | |
136ec204 | 103 | const char *depname = NULL; |
658f29a5 | 104 | int force = 0, check = 0, sort = 0; |
a4da2e3e DG |
105 | const char *arg; |
106 | int opt; | |
a4da2e3e DG |
107 | FILE *outf = NULL; |
108 | int outversion = DEFAULT_FDT_VERSION; | |
ed95d745 | 109 | long long cmdline_boot_cpuid = -1; |
a4da2e3e DG |
110 | |
111 | quiet = 0; | |
112 | reservenum = 0; | |
113 | minsize = 0; | |
114 | padsize = 0; | |
115 | ||
136ec204 SW |
116 | while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fcqb:vH:s")) |
117 | != EOF) { | |
a4da2e3e DG |
118 | switch (opt) { |
119 | case 'I': | |
120 | inform = optarg; | |
121 | break; | |
122 | case 'O': | |
123 | outform = optarg; | |
124 | break; | |
125 | case 'o': | |
126 | outname = optarg; | |
127 | break; | |
128 | case 'V': | |
129 | outversion = strtol(optarg, NULL, 0); | |
130 | break; | |
136ec204 SW |
131 | case 'd': |
132 | depname = optarg; | |
133 | break; | |
a4da2e3e DG |
134 | case 'R': |
135 | reservenum = strtol(optarg, NULL, 0); | |
136 | break; | |
137 | case 'S': | |
138 | minsize = strtol(optarg, NULL, 0); | |
139 | break; | |
140 | case 'p': | |
141 | padsize = strtol(optarg, NULL, 0); | |
142 | break; | |
143 | case 'f': | |
144 | force = 1; | |
145 | break; | |
146 | case 'c': | |
147 | check = 1; | |
148 | break; | |
149 | case 'q': | |
150 | quiet++; | |
151 | break; | |
152 | case 'b': | |
ed95d745 | 153 | cmdline_boot_cpuid = strtoll(optarg, NULL, 0); |
a4da2e3e DG |
154 | break; |
155 | case 'v': | |
ed95d745 DG |
156 | printf("Version: %s\n", DTC_VERSION); |
157 | exit(0); | |
658f29a5 JB |
158 | case 'H': |
159 | if (streq(optarg, "legacy")) | |
160 | phandle_format = PHANDLE_LEGACY; | |
161 | else if (streq(optarg, "epapr")) | |
162 | phandle_format = PHANDLE_EPAPR; | |
163 | else if (streq(optarg, "both")) | |
164 | phandle_format = PHANDLE_BOTH; | |
165 | else | |
166 | die("Invalid argument \"%s\" to -H option\n", | |
167 | optarg); | |
168 | break; | |
169 | ||
170 | case 's': | |
171 | sort = 1; | |
172 | break; | |
173 | ||
a4da2e3e DG |
174 | case 'h': |
175 | default: | |
176 | usage(); | |
177 | } | |
178 | } | |
179 | ||
180 | if (argc > (optind+1)) | |
181 | usage(); | |
182 | else if (argc < (optind+1)) | |
183 | arg = "-"; | |
184 | else | |
185 | arg = argv[optind]; | |
186 | ||
187 | /* minsize and padsize are mutually exclusive */ | |
ed95d745 | 188 | if (minsize && padsize) |
a4da2e3e | 189 | die("Can't set both -p and -S\n"); |
a4da2e3e | 190 | |
658f29a5 JB |
191 | if (minsize) |
192 | fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n"); | |
193 | ||
a4da2e3e DG |
194 | fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", |
195 | inform, outform, arg); | |
196 | ||
136ec204 SW |
197 | if (depname) { |
198 | depfile = fopen(depname, "w"); | |
199 | if (!depfile) | |
200 | die("Couldn't open dependency file %s: %s\n", depname, | |
201 | strerror(errno)); | |
202 | fprintf(depfile, "%s:", outname); | |
203 | } | |
204 | ||
ed95d745 | 205 | if (streq(inform, "dts")) |
a4da2e3e | 206 | bi = dt_from_source(arg); |
ed95d745 | 207 | else if (streq(inform, "fs")) |
a4da2e3e | 208 | bi = dt_from_fs(arg); |
ed95d745 DG |
209 | else if(streq(inform, "dtb")) |
210 | bi = dt_from_blob(arg); | |
211 | else | |
a4da2e3e | 212 | die("Unknown input format \"%s\"\n", inform); |
a4da2e3e | 213 | |
136ec204 SW |
214 | if (depfile) { |
215 | fputc('\n', depfile); | |
216 | fclose(depfile); | |
217 | } | |
218 | ||
ed95d745 DG |
219 | if (cmdline_boot_cpuid != -1) |
220 | bi->boot_cpuid_phys = cmdline_boot_cpuid; | |
a4da2e3e | 221 | |
ed95d745 DG |
222 | fill_fullpaths(bi->dt, ""); |
223 | process_checks(force, bi); | |
a4da2e3e | 224 | |
658f29a5 JB |
225 | if (sort) |
226 | sort_tree(bi); | |
a4da2e3e DG |
227 | |
228 | if (streq(outname, "-")) { | |
229 | outf = stdout; | |
230 | } else { | |
231 | outf = fopen(outname, "w"); | |
232 | if (! outf) | |
233 | die("Couldn't open output file %s: %s\n", | |
234 | outname, strerror(errno)); | |
235 | } | |
236 | ||
237 | if (streq(outform, "dts")) { | |
238 | dt_to_source(outf, bi); | |
239 | } else if (streq(outform, "dtb")) { | |
ed95d745 | 240 | dt_to_blob(outf, bi, outversion); |
a4da2e3e | 241 | } else if (streq(outform, "asm")) { |
ed95d745 | 242 | dt_to_asm(outf, bi, outversion); |
a4da2e3e DG |
243 | } else if (streq(outform, "null")) { |
244 | /* do nothing */ | |
245 | } else { | |
246 | die("Unknown output format \"%s\"\n", outform); | |
247 | } | |
248 | ||
249 | exit(0); | |
250 | } |