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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 | ||
ed95d745 | 58 | static void fill_fullpaths(struct node *tree, const char *prefix) |
a4da2e3e DG |
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"); | |
ed95d745 | 109 | exit(3); |
a4da2e3e DG |
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; | |
a4da2e3e DG |
121 | FILE *outf = NULL; |
122 | int outversion = DEFAULT_FDT_VERSION; | |
ed95d745 | 123 | long long cmdline_boot_cpuid = -1; |
a4da2e3e DG |
124 | |
125 | quiet = 0; | |
126 | reservenum = 0; | |
127 | minsize = 0; | |
128 | padsize = 0; | |
129 | ||
130 | while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:v")) != EOF) { | |
131 | switch (opt) { | |
132 | case 'I': | |
133 | inform = optarg; | |
134 | break; | |
135 | case 'O': | |
136 | outform = optarg; | |
137 | break; | |
138 | case 'o': | |
139 | outname = optarg; | |
140 | break; | |
141 | case 'V': | |
142 | outversion = strtol(optarg, NULL, 0); | |
143 | break; | |
144 | case 'R': | |
145 | reservenum = strtol(optarg, NULL, 0); | |
146 | break; | |
147 | case 'S': | |
148 | minsize = strtol(optarg, NULL, 0); | |
149 | break; | |
150 | case 'p': | |
151 | padsize = strtol(optarg, NULL, 0); | |
152 | break; | |
153 | case 'f': | |
154 | force = 1; | |
155 | break; | |
156 | case 'c': | |
157 | check = 1; | |
158 | break; | |
159 | case 'q': | |
160 | quiet++; | |
161 | break; | |
162 | case 'b': | |
ed95d745 | 163 | cmdline_boot_cpuid = strtoll(optarg, NULL, 0); |
a4da2e3e DG |
164 | break; |
165 | case 'v': | |
ed95d745 DG |
166 | printf("Version: %s\n", DTC_VERSION); |
167 | exit(0); | |
a4da2e3e DG |
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 | /* minsize and padsize are mutually exclusive */ | |
ed95d745 | 182 | if (minsize && padsize) |
a4da2e3e | 183 | die("Can't set both -p and -S\n"); |
a4da2e3e DG |
184 | |
185 | fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", | |
186 | inform, outform, arg); | |
187 | ||
ed95d745 | 188 | if (streq(inform, "dts")) |
a4da2e3e | 189 | bi = dt_from_source(arg); |
ed95d745 | 190 | else if (streq(inform, "fs")) |
a4da2e3e | 191 | bi = dt_from_fs(arg); |
ed95d745 DG |
192 | else if(streq(inform, "dtb")) |
193 | bi = dt_from_blob(arg); | |
194 | else | |
a4da2e3e | 195 | die("Unknown input format \"%s\"\n", inform); |
a4da2e3e | 196 | |
ed95d745 DG |
197 | if (cmdline_boot_cpuid != -1) |
198 | bi->boot_cpuid_phys = cmdline_boot_cpuid; | |
a4da2e3e | 199 | |
ed95d745 DG |
200 | fill_fullpaths(bi->dt, ""); |
201 | process_checks(force, bi); | |
a4da2e3e | 202 | |
a4da2e3e DG |
203 | |
204 | if (streq(outname, "-")) { | |
205 | outf = stdout; | |
206 | } else { | |
207 | outf = fopen(outname, "w"); | |
208 | if (! outf) | |
209 | die("Couldn't open output file %s: %s\n", | |
210 | outname, strerror(errno)); | |
211 | } | |
212 | ||
213 | if (streq(outform, "dts")) { | |
214 | dt_to_source(outf, bi); | |
215 | } else if (streq(outform, "dtb")) { | |
ed95d745 | 216 | dt_to_blob(outf, bi, outversion); |
a4da2e3e | 217 | } else if (streq(outform, "asm")) { |
ed95d745 | 218 | dt_to_asm(outf, bi, outversion); |
a4da2e3e DG |
219 | } else if (streq(outform, "null")) { |
220 | /* do nothing */ | |
221 | } else { | |
222 | die("Unknown output format \"%s\"\n", outform); | |
223 | } | |
224 | ||
225 | exit(0); | |
226 | } |