util/ectool/ectool.c

   1 /*
   2  * This file is part of the ectool project.
   3  *
   4  * Copyright (C) 2008-2009 coresystems GmbH
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; version 2 of the License.
   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
  13  * GNU 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdint.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24 #include <getopt.h>
  25 #include <sys/io.h>
  26 #include <ec.h>
  27
  28 #define ECTOOL_VERSION "0.1"
  29
  30 void print_version(void)
  31 {
  32         printf("ectool v%s -- ", ECTOOL_VERSION);
  33         printf("Copyright (C) 2008-2009 coresystems GmbH\n\n");
  34         printf(
  35         "This program is free software: you can redistribute it and/or modify\n"
  36         "it under the terms of the GNU General Public License as published by\n"
  37         "the Free Software Foundation, version 2 of the License.\n\n"
  38         "This program is distributed in the hope that it will be useful,\n"
  39         "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
  40         "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
  41         "GNU General Public License for more details.\n\n"
  42         "You should have received a copy of the GNU General Public License\n"
  43         "along with this program.  If not, see <http://www.gnu.org/licenses/>.\n\n");
  44 }
  45
  46 void print_usage(const char *name)
  47 {
  48         printf("usage: %s [-vh?Vi]\n", name);
  49         printf("\n"
  50                "   -v | --version:                   print the version\n"
  51                "   -h | --help:                      print this help\n\n"
  52                "   -V | --verbose:                   print debug information\n"
  53                "   -i | --idx:                       print IDX RAM\n"
  54                "\n");
  55         exit(1);
  56 }
  57
  58 int verbose = 0, dump_idx = 0;
  59
  60 int main(int argc, char *argv[])
  61 {
  62         int i, opt, option_index = 0;
  63
  64         static struct option long_options[] = {
  65                 {"version", 0, 0, 'v'},
  66                 {"help", 0, 0, 'h'},
  67                 {"verbose", 0, 0, 'V'},
  68                 {"idx", 0, 0, 'i'},
  69                 {0, 0, 0, 0}
  70         };
  71
  72         while ((opt = getopt_long(argc, argv, "vh?Vi",
  73                                   long_options, &option_index)) != EOF) {
  74                 switch (opt) {
  75                 case 'v':
  76                         print_version();
  77                         exit(0);
  78                         break;
  79                 case 'V':
  80                         verbose = 1;
  81                         break;
  82                 case 'i':
  83                         dump_idx = 1;
  84                         break;
  85                 case 'h':
  86                 case '?':
  87                 default:
  88                         print_usage(argv[0]);
  89                         exit(0);
  90                         break;
  91                 }
  92         }
  93
  94         if (iopl(3)) {
  95                 printf("You need to be root.\n");
  96                 exit(1);
  97         }
  98
  99         printf("EC RAM:\n");
 100         for (i = 0; i < 0x100; i++) {
 101                 if ((i % 0x10) == 0)
 102                         printf("\n%02x: ", i);
 103                 printf("%02x ", ec_read(i));
 104         }
 105         printf("\n\n");
 106
 107         if (dump_idx) {
 108                 printf("EC IDX RAM:\n");
 109                 for (i = 0; i < 0x10000; i++) {
 110                         if ((i % 0x10) == 0)
 111                                 printf("\n%04x: ", i);
 112                         printf("%02x ", ec_idx_read(i));
 113                 }
 114                 printf("\n\n");
 115         } else {
 116                 printf("Not dumping EC IDX RAM.\n");
 117         }
 118
 119         return 0;
 120 }