David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. |
| 3 | * |
David Gibson | 63dc9c7 | 2007-09-18 11:44:04 +1000 | [diff] [blame] | 4 | * |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 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. |
David Gibson | 63dc9c7 | 2007-09-18 11:44:04 +1000 | [diff] [blame] | 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 |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | #include "dtc.h" |
Jon Loeliger | e45e6fd | 2007-03-23 15:18:41 -0500 | [diff] [blame] | 22 | #include "srcpos.h" |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 23 | |
Jon Loeliger | a657ce8 | 2007-07-07 13:52:25 -0500 | [diff] [blame] | 24 | #include "version_gen.h" |
| 25 | |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame] | 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 | |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 33 | char *join_path(char *path, char *name) |
| 34 | { |
| 35 | int lenp = strlen(path); |
| 36 | int lenn = strlen(name); |
| 37 | int len; |
| 38 | int needslash = 1; |
| 39 | char *str; |
| 40 | |
| 41 | len = lenp + lenn + 2; |
| 42 | if ((lenp > 0) && (path[lenp-1] == '/')) { |
| 43 | needslash = 0; |
| 44 | len--; |
| 45 | } |
| 46 | |
| 47 | str = xmalloc(len); |
| 48 | memcpy(str, path, lenp); |
| 49 | if (needslash) { |
| 50 | str[lenp] = '/'; |
| 51 | lenp++; |
| 52 | } |
| 53 | memcpy(str+lenp, name, lenn+1); |
| 54 | return str; |
| 55 | } |
| 56 | |
| 57 | void fill_fullpaths(struct node *tree, char *prefix) |
| 58 | { |
| 59 | struct node *child; |
| 60 | char *unit; |
| 61 | |
| 62 | tree->fullpath = join_path(prefix, tree->name); |
| 63 | |
| 64 | unit = strchr(tree->name, '@'); |
| 65 | if (unit) |
| 66 | tree->basenamelen = unit - tree->name; |
| 67 | else |
| 68 | tree->basenamelen = strlen(tree->name); |
| 69 | |
| 70 | for_each_child(tree, child) |
| 71 | fill_fullpaths(child, tree->fullpath); |
| 72 | } |
| 73 | |
David Gibson | bf94497 | 2007-08-31 16:21:23 +1000 | [diff] [blame] | 74 | static void __attribute__ ((noreturn)) usage(void) |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 75 | { |
| 76 | fprintf(stderr, "Usage:\n"); |
| 77 | fprintf(stderr, "\tdtc [options] <input file>\n"); |
| 78 | fprintf(stderr, "\nOptions:\n"); |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 79 | fprintf(stderr, "\t-h\n"); |
| 80 | fprintf(stderr, "\t\tThis help text\n"); |
| 81 | fprintf(stderr, "\t-q\n"); |
| 82 | fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 83 | fprintf(stderr, "\t-I <input format>\n"); |
| 84 | fprintf(stderr, "\t\tInput formats are:\n"); |
| 85 | fprintf(stderr, "\t\t\tdts - device tree source text\n"); |
| 86 | fprintf(stderr, "\t\t\tdtb - device tree blob\n"); |
| 87 | fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n"); |
Jerry Van Baren | 4f5370a | 2007-04-14 18:16:47 -0400 | [diff] [blame] | 88 | fprintf(stderr, "\t-o <output file>\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 89 | fprintf(stderr, "\t-O <output format>\n"); |
| 90 | fprintf(stderr, "\t\tOutput formats are:\n"); |
| 91 | fprintf(stderr, "\t\t\tdts - device tree source text\n"); |
| 92 | fprintf(stderr, "\t\t\tdtb - device tree blob\n"); |
| 93 | fprintf(stderr, "\t\t\tasm - assembler source\n"); |
| 94 | fprintf(stderr, "\t-V <output version>\n"); |
David Gibson | fb7c7ac | 2007-09-26 13:11:05 +1000 | [diff] [blame] | 95 | fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 96 | fprintf(stderr, "\t-R <number>\n"); |
| 97 | fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n"); |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame] | 98 | fprintf(stderr, "\t-S <bytes>\n"); |
| 99 | fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n"); |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 100 | fprintf(stderr, "\t-b <number>\n"); |
| 101 | fprintf(stderr, "\t\tSet the physical boot cpu\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 102 | fprintf(stderr, "\t-f\n"); |
| 103 | fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n"); |
Jon Loeliger | a657ce8 | 2007-07-07 13:52:25 -0500 | [diff] [blame] | 104 | fprintf(stderr, "\t-v\n"); |
| 105 | fprintf(stderr, "\t\tPrint DTC version and exit\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 106 | exit(2); |
| 107 | } |
| 108 | |
| 109 | int main(int argc, char *argv[]) |
| 110 | { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 111 | struct boot_info *bi; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 112 | char *inform = "dts"; |
| 113 | char *outform = "dts"; |
| 114 | char *outname = "-"; |
David Gibson | 169f0b1 | 2007-10-18 17:22:30 +1000 | [diff] [blame] | 115 | int force = 0, check = 0; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 116 | char *arg; |
| 117 | int opt; |
| 118 | FILE *inf = NULL; |
| 119 | FILE *outf = NULL; |
David Gibson | fb7c7ac | 2007-09-26 13:11:05 +1000 | [diff] [blame] | 120 | int outversion = DEFAULT_FDT_VERSION; |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 121 | int boot_cpuid_phys = 0xfeedbeef; |
David Gibson | 169f0b1 | 2007-10-18 17:22:30 +1000 | [diff] [blame] | 122 | int structure_ok; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 123 | |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame] | 124 | quiet = 0; |
| 125 | reservenum = 0; |
| 126 | minsize = 0; |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 127 | |
David Gibson | 169f0b1 | 2007-10-18 17:22:30 +1000 | [diff] [blame] | 128 | while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:fcqb:v")) != EOF) { |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 129 | switch (opt) { |
| 130 | case 'I': |
| 131 | inform = optarg; |
| 132 | break; |
| 133 | case 'O': |
| 134 | outform = optarg; |
| 135 | break; |
| 136 | case 'o': |
| 137 | outname = optarg; |
| 138 | break; |
| 139 | case 'V': |
| 140 | outversion = strtol(optarg, NULL, 0); |
| 141 | break; |
| 142 | case 'R': |
| 143 | reservenum = strtol(optarg, NULL, 0); |
| 144 | break; |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame] | 145 | case 'S': |
| 146 | minsize = strtol(optarg, NULL, 0); |
| 147 | break; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 148 | case 'f': |
| 149 | force = 1; |
| 150 | break; |
David Gibson | 169f0b1 | 2007-10-18 17:22:30 +1000 | [diff] [blame] | 151 | case 'c': |
| 152 | check = 1; |
| 153 | break; |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 154 | case 'q': |
| 155 | quiet++; |
| 156 | break; |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 157 | case 'b': |
| 158 | boot_cpuid_phys = strtol(optarg, NULL, 0); |
| 159 | break; |
Jon Loeliger | a657ce8 | 2007-07-07 13:52:25 -0500 | [diff] [blame] | 160 | case 'v': |
| 161 | printf("Version: %s\n", DTC_VERSION); |
| 162 | exit(0); |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 163 | case 'h': |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 164 | default: |
| 165 | usage(); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | if (argc > (optind+1)) |
| 170 | usage(); |
| 171 | else if (argc < (optind+1)) |
| 172 | arg = "-"; |
| 173 | else |
| 174 | arg = argv[optind]; |
| 175 | |
| 176 | fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", |
| 177 | inform, outform, arg); |
| 178 | |
| 179 | if (streq(inform, "dts")) { |
Jon Loeliger | e45e6fd | 2007-03-23 15:18:41 -0500 | [diff] [blame] | 180 | bi = dt_from_source(arg); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 181 | } else if (streq(inform, "fs")) { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 182 | bi = dt_from_fs(arg); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 183 | } else if(streq(inform, "dtb")) { |
| 184 | inf = dtc_open_file(arg); |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 185 | bi = dt_from_blob(inf); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 186 | } else { |
| 187 | die("Unknown input format \"%s\"\n", inform); |
| 188 | } |
| 189 | |
| 190 | if (inf && (inf != stdin)) |
| 191 | fclose(inf); |
| 192 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 193 | if (! bi || ! bi->dt) |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 194 | die("Couldn't read input tree\n"); |
| 195 | |
David Gibson | 169f0b1 | 2007-10-18 17:22:30 +1000 | [diff] [blame] | 196 | structure_ok = check_structure(bi->dt); |
| 197 | if (!structure_ok) { |
| 198 | if (!force) { |
| 199 | fprintf(stderr, "ERROR: Input tree has structural errors, aborting (use -f to force output)\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 200 | exit(1); |
David Gibson | 169f0b1 | 2007-10-18 17:22:30 +1000 | [diff] [blame] | 201 | } else if (quiet < 3) { |
| 202 | fprintf(stderr, "Warning: Input tree has structural errors, output forced\n"); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | fixup_references(bi->dt); |
| 207 | |
| 208 | if (check) { |
| 209 | if (!structure_ok) { |
| 210 | fprintf(stderr, "Warning: Skipping semantic checks due to structural errors\n"); |
| 211 | } else { |
| 212 | if (!check_semantics(bi->dt, outversion, |
| 213 | boot_cpuid_phys)) |
| 214 | fprintf(stderr, "Warning: Input tree has semantic errors\n"); |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 215 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | if (streq(outname, "-")) { |
| 219 | outf = stdout; |
| 220 | } else { |
| 221 | outf = fopen(outname, "w"); |
| 222 | if (! outf) |
| 223 | die("Couldn't open output file %s: %s\n", |
| 224 | outname, strerror(errno)); |
| 225 | } |
| 226 | |
| 227 | if (streq(outform, "dts")) { |
David Gibson | 712e52e | 2005-10-26 16:56:26 +1000 | [diff] [blame] | 228 | dt_to_source(outf, bi); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 229 | } else if (streq(outform, "dtb")) { |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 230 | dt_to_blob(outf, bi, outversion, boot_cpuid_phys); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 231 | } else if (streq(outform, "asm")) { |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 232 | dt_to_asm(outf, bi, outversion, boot_cpuid_phys); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 233 | } else if (streq(outform, "null")) { |
| 234 | /* do nothing */ |
| 235 | } else { |
| 236 | die("Unknown output format \"%s\"\n", outform); |
| 237 | } |
David Gibson | 63dc9c7 | 2007-09-18 11:44:04 +1000 | [diff] [blame] | 238 | |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 239 | exit(0); |
| 240 | } |