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" |
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 | |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame^] | 24 | /* |
| 25 | * Command line options |
| 26 | */ |
| 27 | int quiet; /* Level of quietness */ |
| 28 | int reservenum; /* Number of memory reservation slots */ |
| 29 | int minsize; /* Minimum blob size */ |
| 30 | |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 31 | char *join_path(char *path, char *name) |
| 32 | { |
| 33 | int lenp = strlen(path); |
| 34 | int lenn = strlen(name); |
| 35 | int len; |
| 36 | int needslash = 1; |
| 37 | char *str; |
| 38 | |
| 39 | len = lenp + lenn + 2; |
| 40 | if ((lenp > 0) && (path[lenp-1] == '/')) { |
| 41 | needslash = 0; |
| 42 | len--; |
| 43 | } |
| 44 | |
| 45 | str = xmalloc(len); |
| 46 | memcpy(str, path, lenp); |
| 47 | if (needslash) { |
| 48 | str[lenp] = '/'; |
| 49 | lenp++; |
| 50 | } |
| 51 | memcpy(str+lenp, name, lenn+1); |
| 52 | return str; |
| 53 | } |
| 54 | |
| 55 | void fill_fullpaths(struct node *tree, char *prefix) |
| 56 | { |
| 57 | struct node *child; |
| 58 | char *unit; |
| 59 | |
| 60 | tree->fullpath = join_path(prefix, tree->name); |
| 61 | |
| 62 | unit = strchr(tree->name, '@'); |
| 63 | if (unit) |
| 64 | tree->basenamelen = unit - tree->name; |
| 65 | else |
| 66 | tree->basenamelen = strlen(tree->name); |
| 67 | |
| 68 | for_each_child(tree, child) |
| 69 | fill_fullpaths(child, tree->fullpath); |
| 70 | } |
| 71 | |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 72 | static void usage(void) |
| 73 | { |
| 74 | fprintf(stderr, "Usage:\n"); |
| 75 | fprintf(stderr, "\tdtc [options] <input file>\n"); |
| 76 | fprintf(stderr, "\nOptions:\n"); |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 77 | fprintf(stderr, "\t-h\n"); |
| 78 | fprintf(stderr, "\t\tThis help text\n"); |
| 79 | fprintf(stderr, "\t-q\n"); |
| 80 | fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 81 | fprintf(stderr, "\t-I <input format>\n"); |
| 82 | fprintf(stderr, "\t\tInput formats are:\n"); |
| 83 | fprintf(stderr, "\t\t\tdts - device tree source text\n"); |
| 84 | fprintf(stderr, "\t\t\tdtb - device tree blob\n"); |
| 85 | fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n"); |
| 86 | fprintf(stderr, "\t-O <output format>\n"); |
| 87 | fprintf(stderr, "\t\tOutput formats are:\n"); |
| 88 | fprintf(stderr, "\t\t\tdts - device tree source text\n"); |
| 89 | fprintf(stderr, "\t\t\tdtb - device tree blob\n"); |
| 90 | fprintf(stderr, "\t\t\tasm - assembler source\n"); |
| 91 | fprintf(stderr, "\t-V <output version>\n"); |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 92 | fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", OF_DEFAULT_VERSION); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 93 | fprintf(stderr, "\t-R <number>\n"); |
| 94 | 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^] | 95 | fprintf(stderr, "\t-S <bytes>\n"); |
| 96 | 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] | 97 | fprintf(stderr, "\t-b <number>\n"); |
| 98 | fprintf(stderr, "\t\tSet the physical boot cpu\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 99 | fprintf(stderr, "\t-f\n"); |
| 100 | fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n"); |
| 101 | exit(2); |
| 102 | } |
| 103 | |
| 104 | int main(int argc, char *argv[]) |
| 105 | { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 106 | struct boot_info *bi; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 107 | char *inform = "dts"; |
| 108 | char *outform = "dts"; |
| 109 | char *outname = "-"; |
| 110 | int force = 0; |
| 111 | char *arg; |
| 112 | int opt; |
| 113 | FILE *inf = NULL; |
| 114 | FILE *outf = NULL; |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 115 | int outversion = OF_DEFAULT_VERSION; |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 116 | int boot_cpuid_phys = 0xfeedbeef; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 117 | |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame^] | 118 | quiet = 0; |
| 119 | reservenum = 0; |
| 120 | minsize = 0; |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 121 | |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame^] | 122 | while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:fqb:")) != EOF) { |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 123 | switch (opt) { |
| 124 | case 'I': |
| 125 | inform = optarg; |
| 126 | break; |
| 127 | case 'O': |
| 128 | outform = optarg; |
| 129 | break; |
| 130 | case 'o': |
| 131 | outname = optarg; |
| 132 | break; |
| 133 | case 'V': |
| 134 | outversion = strtol(optarg, NULL, 0); |
| 135 | break; |
| 136 | case 'R': |
| 137 | reservenum = strtol(optarg, NULL, 0); |
| 138 | break; |
Jerry Van Baren | 4384b23 | 2007-04-04 22:04:33 -0400 | [diff] [blame^] | 139 | case 'S': |
| 140 | minsize = strtol(optarg, NULL, 0); |
| 141 | break; |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 142 | case 'f': |
| 143 | force = 1; |
| 144 | break; |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 145 | case 'q': |
| 146 | quiet++; |
| 147 | break; |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 148 | case 'b': |
| 149 | boot_cpuid_phys = strtol(optarg, NULL, 0); |
| 150 | break; |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 151 | case 'h': |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 152 | default: |
| 153 | usage(); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | if (argc > (optind+1)) |
| 158 | usage(); |
| 159 | else if (argc < (optind+1)) |
| 160 | arg = "-"; |
| 161 | else |
| 162 | arg = argv[optind]; |
| 163 | |
| 164 | fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", |
| 165 | inform, outform, arg); |
| 166 | |
| 167 | if (streq(inform, "dts")) { |
Jon Loeliger | e45e6fd | 2007-03-23 15:18:41 -0500 | [diff] [blame] | 168 | bi = dt_from_source(arg); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 169 | } else if (streq(inform, "fs")) { |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 170 | bi = dt_from_fs(arg); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 171 | } else if(streq(inform, "dtb")) { |
| 172 | inf = dtc_open_file(arg); |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 173 | bi = dt_from_blob(inf); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 174 | } else { |
| 175 | die("Unknown input format \"%s\"\n", inform); |
| 176 | } |
| 177 | |
| 178 | if (inf && (inf != stdin)) |
| 179 | fclose(inf); |
| 180 | |
David Gibson | f0517db | 2005-07-15 17:14:24 +1000 | [diff] [blame] | 181 | if (! bi || ! bi->dt) |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 182 | die("Couldn't read input tree\n"); |
| 183 | |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 184 | if (! check_device_tree(bi->dt, outversion, boot_cpuid_phys)) { |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 185 | if ((force) && (quiet < 3)) |
| 186 | fprintf(stderr, "Input tree has errors, output forced\n"); |
| 187 | if (! force) { |
| 188 | fprintf(stderr, "Input tree has errors, not writing output (use -f to force output)\n"); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 189 | exit(1); |
Jerry Van Baren | cd1da87 | 2007-03-18 16:49:24 -0400 | [diff] [blame] | 190 | } |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | if (streq(outname, "-")) { |
| 194 | outf = stdout; |
| 195 | } else { |
| 196 | outf = fopen(outname, "w"); |
| 197 | if (! outf) |
| 198 | die("Couldn't open output file %s: %s\n", |
| 199 | outname, strerror(errno)); |
| 200 | } |
| 201 | |
| 202 | if (streq(outform, "dts")) { |
David Gibson | 712e52e | 2005-10-26 16:56:26 +1000 | [diff] [blame] | 203 | dt_to_source(outf, bi); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 204 | } else if (streq(outform, "dtb")) { |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 205 | dt_to_blob(outf, bi, outversion, boot_cpuid_phys); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 206 | } else if (streq(outform, "asm")) { |
Michael Neuling | 38e8f8f | 2006-05-31 08:31:51 +1000 | [diff] [blame] | 207 | dt_to_asm(outf, bi, outversion, boot_cpuid_phys); |
David Gibson | fc14dad | 2005-06-08 17:18:34 +1000 | [diff] [blame] | 208 | } else if (streq(outform, "null")) { |
| 209 | /* do nothing */ |
| 210 | } else { |
| 211 | die("Unknown output format \"%s\"\n", outform); |
| 212 | } |
| 213 | |
| 214 | exit(0); |
| 215 | } |