248 lines
6.8 KiB
C
248 lines
6.8 KiB
C
/*
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* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "dtc.h"
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#include "srcpos.h"
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#include "version_gen.h"
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/*
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* Command line options
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*/
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int quiet; /* Level of quietness */
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int reservenum; /* Number of memory reservation slots */
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int minsize; /* Minimum blob size */
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int padsize; /* Additional padding to blob */
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int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
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static void fill_fullpaths(struct node *tree, const char *prefix)
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{
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struct node *child;
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const char *unit;
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tree->fullpath = join_path(prefix, tree->name);
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unit = strchr(tree->name, '@');
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if (unit)
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tree->basenamelen = unit - tree->name;
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else
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tree->basenamelen = strlen(tree->name);
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for_each_child(tree, child)
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fill_fullpaths(child, tree->fullpath);
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}
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static void __attribute__ ((noreturn)) usage(void)
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{
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fprintf(stderr, "Usage:\n");
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fprintf(stderr, "\tdtc [options] <input file>\n");
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fprintf(stderr, "\nOptions:\n");
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fprintf(stderr, "\t-h\n");
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fprintf(stderr, "\t\tThis help text\n");
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fprintf(stderr, "\t-q\n");
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fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
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fprintf(stderr, "\t-I <input format>\n");
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fprintf(stderr, "\t\tInput formats are:\n");
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fprintf(stderr, "\t\t\tdts - device tree source text\n");
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fprintf(stderr, "\t\t\tdtb - device tree blob\n");
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fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
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fprintf(stderr, "\t-o <output file>\n");
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fprintf(stderr, "\t-O <output format>\n");
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fprintf(stderr, "\t\tOutput formats are:\n");
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fprintf(stderr, "\t\t\tdts - device tree source text\n");
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fprintf(stderr, "\t\t\tdtb - device tree blob\n");
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fprintf(stderr, "\t\t\tasm - assembler source\n");
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fprintf(stderr, "\t-V <output version>\n");
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fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
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fprintf(stderr, "\t-d <output dependency file>\n");
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fprintf(stderr, "\t-R <number>\n");
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fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
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fprintf(stderr, "\t-S <bytes>\n");
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fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
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fprintf(stderr, "\t-p <bytes>\n");
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fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
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fprintf(stderr, "\t-b <number>\n");
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fprintf(stderr, "\t\tSet the physical boot cpu\n");
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fprintf(stderr, "\t-f\n");
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fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
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fprintf(stderr, "\t-s\n");
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fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
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fprintf(stderr, "\t-v\n");
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fprintf(stderr, "\t\tPrint DTC version and exit\n");
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fprintf(stderr, "\t-H <phandle format>\n");
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fprintf(stderr, "\t\tphandle formats are:\n");
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fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
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fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
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fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
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exit(3);
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}
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int main(int argc, char *argv[])
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{
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struct boot_info *bi;
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const char *inform = "dts";
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const char *outform = "dts";
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const char *outname = "-";
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const char *depname = NULL;
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int force = 0, sort = 0;
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const char *arg;
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int opt;
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FILE *outf = NULL;
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int outversion = DEFAULT_FDT_VERSION;
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long long cmdline_boot_cpuid = -1;
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quiet = 0;
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reservenum = 0;
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minsize = 0;
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padsize = 0;
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while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fcqb:vH:s"))
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!= EOF) {
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switch (opt) {
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case 'I':
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inform = optarg;
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break;
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case 'O':
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outform = optarg;
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break;
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case 'o':
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outname = optarg;
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break;
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case 'V':
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outversion = strtol(optarg, NULL, 0);
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break;
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case 'd':
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depname = optarg;
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break;
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case 'R':
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reservenum = strtol(optarg, NULL, 0);
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break;
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case 'S':
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minsize = strtol(optarg, NULL, 0);
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break;
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case 'p':
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padsize = strtol(optarg, NULL, 0);
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break;
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case 'f':
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force = 1;
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break;
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case 'q':
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quiet++;
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break;
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case 'b':
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cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
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break;
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case 'v':
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printf("Version: %s\n", DTC_VERSION);
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exit(0);
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case 'H':
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if (streq(optarg, "legacy"))
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phandle_format = PHANDLE_LEGACY;
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else if (streq(optarg, "epapr"))
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phandle_format = PHANDLE_EPAPR;
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else if (streq(optarg, "both"))
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phandle_format = PHANDLE_BOTH;
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else
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die("Invalid argument \"%s\" to -H option\n",
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optarg);
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break;
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case 's':
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sort = 1;
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break;
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case 'h':
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default:
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usage();
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}
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}
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if (argc > (optind+1))
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usage();
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else if (argc < (optind+1))
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arg = "-";
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else
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arg = argv[optind];
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/* minsize and padsize are mutually exclusive */
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if (minsize && padsize)
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die("Can't set both -p and -S\n");
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if (minsize)
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fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
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fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
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inform, outform, arg);
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if (depname) {
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depfile = fopen(depname, "w");
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if (!depfile)
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die("Couldn't open dependency file %s: %s\n", depname,
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strerror(errno));
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fprintf(depfile, "%s:", outname);
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}
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if (streq(inform, "dts"))
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bi = dt_from_source(arg);
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else if (streq(inform, "fs"))
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bi = dt_from_fs(arg);
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else if(streq(inform, "dtb"))
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bi = dt_from_blob(arg);
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else
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die("Unknown input format \"%s\"\n", inform);
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if (depfile) {
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fputc('\n', depfile);
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fclose(depfile);
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}
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if (cmdline_boot_cpuid != -1)
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bi->boot_cpuid_phys = cmdline_boot_cpuid;
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fill_fullpaths(bi->dt, "");
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process_checks(force, bi);
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if (sort)
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sort_tree(bi);
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if (streq(outname, "-")) {
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outf = stdout;
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} else {
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outf = fopen(outname, "w");
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if (! outf)
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die("Couldn't open output file %s: %s\n",
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outname, strerror(errno));
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}
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if (streq(outform, "dts")) {
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dt_to_source(outf, bi);
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} else if (streq(outform, "dtb")) {
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dt_to_blob(outf, bi, outversion);
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} else if (streq(outform, "asm")) {
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dt_to_asm(outf, bi, outversion);
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} else if (streq(outform, "null")) {
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/* do nothing */
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} else {
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die("Unknown output format \"%s\"\n", outform);
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}
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exit(0);
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}
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