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 */
29int quiet; /* Level of quietness */
30int reservenum; /* Number of memory reservation slots */
31int minsize; /* Minimum blob size */
32int padsize; /* Additional padding to blob */
|
| 33int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */ |
34
35char *join_path(const char *path, const char *name)
36{
37 int lenp = strlen(path);
38 int lenn = strlen(name);
39 int len;
40 int needslash = 1;
41 char *str;
42
43 len = lenp + lenn + 2;
44 if ((lenp > 0) && (path[lenp-1] == '/')) {
45 needslash = 0;
46 len--;
47 }
48
49 str = xmalloc(len);
50 memcpy(str, path, lenp);
51 if (needslash) {
52 str[lenp] = '/';
53 lenp++;
54 }
55 memcpy(str+lenp, name, lenn+1);
56 return str;
57}
58
59static void fill_fullpaths(struct node *tree, const char *prefix)
60{
61 struct node *child;
62 const char *unit;
63
64 tree->fullpath = join_path(prefix, tree->name);
65
66 unit = strchr(tree->name, '@');
67 if (unit)
68 tree->basenamelen = unit - tree->name;
69 else
70 tree->basenamelen = strlen(tree->name);
71
72 for_each_child(tree, child)
73 fill_fullpaths(child, tree->fullpath);
74}
75
76static void __attribute__ ((noreturn)) usage(void)
77{
78 fprintf(stderr, "Usage:\n");
79 fprintf(stderr, "\tdtc [options] <input file>\n");
80 fprintf(stderr, "\nOptions:\n");
81 fprintf(stderr, "\t-h\n");
82 fprintf(stderr, "\t\tThis help text\n");
83 fprintf(stderr, "\t-q\n");
84 fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
85 fprintf(stderr, "\t-I <input format>\n");
86 fprintf(stderr, "\t\tInput formats are:\n");
87 fprintf(stderr, "\t\t\tdts - device tree source text\n");
88 fprintf(stderr, "\t\t\tdtb - device tree blob\n");
89 fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
90 fprintf(stderr, "\t-o <output file>\n");
91 fprintf(stderr, "\t-O <output format>\n");
92 fprintf(stderr, "\t\tOutput formats are:\n");
93 fprintf(stderr, "\t\t\tdts - device tree source text\n");
94 fprintf(stderr, "\t\t\tdtb - device tree blob\n");
95 fprintf(stderr, "\t\t\tasm - assembler source\n");
96 fprintf(stderr, "\t-V <output version>\n");
97 fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
98 fprintf(stderr, "\t-R <number>\n");
99 fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
100 fprintf(stderr, "\t-S <bytes>\n");
101 fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
102 fprintf(stderr, "\t-p <bytes>\n");
103 fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
104 fprintf(stderr, "\t-b <number>\n");
105 fprintf(stderr, "\t\tSet the physical boot cpu\n");
106 fprintf(stderr, "\t-f\n");
107 fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
108 fprintf(stderr, "\t-v\n");
109 fprintf(stderr, "\t\tPrint DTC version and exit\n");
|
110 fprintf(stderr, "\t-H <phandle format>\n");
111 fprintf(stderr, "\t\tphandle formats are:\n");
112 fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
113 fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
114 fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n"); |
115 exit(3);
116}
117
118int main(int argc, char *argv[])
119{
120 struct boot_info *bi;
121 const char *inform = "dts";
122 const char *outform = "dts";
123 const char *outname = "-";
124 int force = 0, check = 0;
125 const char *arg;
126 int opt;
127 FILE *outf = NULL;
128 int outversion = DEFAULT_FDT_VERSION;
129 long long cmdline_boot_cpuid = -1;
130
131 quiet = 0;
132 reservenum = 0;
133 minsize = 0;
134 padsize = 0;
135
|
130 while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:v")) != EOF) {
|
| 136 while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:vH:")) != EOF) { |
137 switch (opt) {
138 case 'I':
139 inform = optarg;
140 break;
141 case 'O':
142 outform = optarg;
143 break;
144 case 'o':
145 outname = optarg;
146 break;
147 case 'V':
148 outversion = strtol(optarg, NULL, 0);
149 break;
150 case 'R':
151 reservenum = strtol(optarg, NULL, 0);
152 break;
153 case 'S':
154 minsize = strtol(optarg, NULL, 0);
155 break;
156 case 'p':
157 padsize = strtol(optarg, NULL, 0);
158 break;
159 case 'f':
160 force = 1;
161 break;
162 case 'c':
163 check = 1;
164 break;
165 case 'q':
166 quiet++;
167 break;
168 case 'b':
169 cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
170 break;
171 case 'v':
172 printf("Version: %s\n", DTC_VERSION);
173 exit(0);
|
174 case 'H':
175 if (streq(optarg, "legacy"))
176 phandle_format = PHANDLE_LEGACY;
177 else if (streq(optarg, "epapr"))
178 phandle_format = PHANDLE_EPAPR;
179 else if (streq(optarg, "both"))
180 phandle_format = PHANDLE_BOTH;
181 else
182 die("Invalid argument \"%s\" to -H option\n",
183 optarg);
184 break;
185 |
186 case 'h':
187 default:
188 usage();
189 }
190 }
191
192 if (argc > (optind+1))
193 usage();
194 else if (argc < (optind+1))
195 arg = "-";
196 else
197 arg = argv[optind];
198
199 /* minsize and padsize are mutually exclusive */
200 if (minsize && padsize)
201 die("Can't set both -p and -S\n");
202
|
203 if (minsize)
204 fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
205 |
206 fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
207 inform, outform, arg);
208
209 if (streq(inform, "dts"))
210 bi = dt_from_source(arg);
211 else if (streq(inform, "fs"))
212 bi = dt_from_fs(arg);
213 else if(streq(inform, "dtb"))
214 bi = dt_from_blob(arg);
215 else
216 die("Unknown input format \"%s\"\n", inform);
217
218 if (cmdline_boot_cpuid != -1)
219 bi->boot_cpuid_phys = cmdline_boot_cpuid;
220
221 fill_fullpaths(bi->dt, "");
222 process_checks(force, bi);
223
224
225 if (streq(outname, "-")) {
226 outf = stdout;
227 } else {
228 outf = fopen(outname, "w");
229 if (! outf)
230 die("Couldn't open output file %s: %s\n",
231 outname, strerror(errno));
232 }
233
234 if (streq(outform, "dts")) {
235 dt_to_source(outf, bi);
236 } else if (streq(outform, "dtb")) {
237 dt_to_blob(outf, bi, outversion);
238 } else if (streq(outform, "asm")) {
239 dt_to_asm(outf, bi, outversion);
240 } else if (streq(outform, "null")) {
241 /* do nothing */
242 } else {
243 die("Unknown output format \"%s\"\n", outform);
244 }
245
246 exit(0);
247}
|