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