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 | * |
| 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 | |
| 23 | char *join_path(char *path, char *name) |
| 24 | { |
| 25 | int lenp = strlen(path); |
| 26 | int lenn = strlen(name); |
| 27 | int len; |
| 28 | int needslash = 1; |
| 29 | char *str; |
| 30 | |
| 31 | len = lenp + lenn + 2; |
| 32 | if ((lenp > 0) && (path[lenp-1] == '/')) { |
| 33 | needslash = 0; |
| 34 | len--; |
| 35 | } |
| 36 | |
| 37 | str = xmalloc(len); |
| 38 | memcpy(str, path, lenp); |
| 39 | if (needslash) { |
| 40 | str[lenp] = '/'; |
| 41 | lenp++; |
| 42 | } |
| 43 | memcpy(str+lenp, name, lenn+1); |
| 44 | return str; |
| 45 | } |
| 46 | |
| 47 | void fill_fullpaths(struct node *tree, char *prefix) |
| 48 | { |
| 49 | struct node *child; |
| 50 | char *unit; |
| 51 | |
| 52 | tree->fullpath = join_path(prefix, tree->name); |
| 53 | |
| 54 | unit = strchr(tree->name, '@'); |
| 55 | if (unit) |
| 56 | tree->basenamelen = unit - tree->name; |
| 57 | else |
| 58 | tree->basenamelen = strlen(tree->name); |
| 59 | |
| 60 | for_each_child(tree, child) |
| 61 | fill_fullpaths(child, tree->fullpath); |
| 62 | } |
| 63 | |
| 64 | static FILE *dtc_open_file(char *fname) |
| 65 | { |
| 66 | FILE *f; |
| 67 | |
| 68 | if (streq(fname, "-")) |
| 69 | f = stdin; |
| 70 | else |
| 71 | f = fopen(fname, "r"); |
| 72 | |
| 73 | if (! f) |
| 74 | die("Couldn't open \"%s\": %s\n", fname, strerror(errno)); |
| 75 | |
| 76 | return f; |
| 77 | } |
| 78 | |
| 79 | static void usage(void) |
| 80 | { |
| 81 | fprintf(stderr, "Usage:\n"); |
| 82 | fprintf(stderr, "\tdtc [options] <input file>\n"); |
| 83 | fprintf(stderr, "\nOptions:\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 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"); |
| 95 | fprintf(stderr, "\t\tBlob version to produce, defaults to 3 (relevant for dtb\n\t\tand asm output only)\n"); |
| 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"); |
| 98 | fprintf(stderr, "\t-f\n"); |
| 99 | fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n"); |
| 100 | exit(2); |
| 101 | } |
| 102 | |
| 103 | int main(int argc, char *argv[]) |
| 104 | { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 105 | struct boot_info *bi; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 106 | char *inform = "dts"; |
| 107 | char *outform = "dts"; |
| 108 | char *outname = "-"; |
| 109 | int force = 0; |
| 110 | char *arg; |
| 111 | int opt; |
| 112 | FILE *inf = NULL; |
| 113 | FILE *outf = NULL; |
| 114 | int outversion = 3; |
| 115 | int reservenum = 1; |
| 116 | |
| 117 | while ((opt = getopt(argc, argv, "I:O:o:V:R:f")) != EOF) { |
| 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; |
| 131 | case 'R': |
| 132 | reservenum = strtol(optarg, NULL, 0); |
| 133 | break; |
| 134 | case 'f': |
| 135 | force = 1; |
| 136 | break; |
| 137 | default: |
| 138 | usage(); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | if (argc > (optind+1)) |
| 143 | usage(); |
| 144 | else if (argc < (optind+1)) |
| 145 | arg = "-"; |
| 146 | else |
| 147 | arg = argv[optind]; |
| 148 | |
| 149 | fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", |
| 150 | inform, outform, arg); |
| 151 | |
| 152 | if (streq(inform, "dts")) { |
| 153 | inf = dtc_open_file(arg); |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 154 | bi = dt_from_source(inf); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 155 | } else if (streq(inform, "fs")) { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 156 | bi = dt_from_fs(arg); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 157 | } else if(streq(inform, "dtb")) { |
| 158 | inf = dtc_open_file(arg); |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 159 | bi = dt_from_blob(inf); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 160 | } else { |
| 161 | die("Unknown input format \"%s\"\n", inform); |
| 162 | } |
| 163 | |
| 164 | if (inf && (inf != stdin)) |
| 165 | fclose(inf); |
| 166 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 167 | if (! bi || ! bi->dt) |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 168 | die("Couldn't read input tree\n"); |
| 169 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 170 | if (! check_device_tree(bi->dt)) { |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 171 | fprintf(stderr, "Input tree has errors\n"); |
| 172 | if (! force) |
| 173 | exit(1); |
| 174 | } |
| 175 | |
| 176 | if (streq(outname, "-")) { |
| 177 | outf = stdout; |
| 178 | } else { |
| 179 | outf = fopen(outname, "w"); |
| 180 | if (! outf) |
| 181 | die("Couldn't open output file %s: %s\n", |
| 182 | outname, strerror(errno)); |
| 183 | } |
| 184 | |
| 185 | if (streq(outform, "dts")) { |
David Gibson | 712e52e | 2005-10-26 16:56:26 +1000 | [diff] [blame^] | 186 | dt_to_source(outf, bi); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 187 | } else if (streq(outform, "dtb")) { |
David Gibson | 712e52e | 2005-10-26 16:56:26 +1000 | [diff] [blame^] | 188 | dt_to_blob(outf, bi, outversion); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 189 | } else if (streq(outform, "asm")) { |
David Gibson | 712e52e | 2005-10-26 16:56:26 +1000 | [diff] [blame^] | 190 | dt_to_asm(outf, bi, outversion); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 191 | } else if (streq(outform, "null")) { |
| 192 | /* do nothing */ |
| 193 | } else { |
| 194 | die("Unknown output format \"%s\"\n", outform); |
| 195 | } |
| 196 | |
| 197 | exit(0); |
| 198 | } |