avr/cmd_help.c

   1
   2 #include "common.h"
   3 #include "command.h"
   4
   5 int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
   6 {
   7         const int len = cmd_tbl_item_count();
   8         return _do_help(cmd_tbl, len, cmdtp, flag, argc, argv);
   9 }
  10
  11
  12 #if 0
  13
  14 U_BOOT_CMD(
  15         help,   CONFIG_SYS_MAXARGS,     1,      do_help,
  16         "print command description/usage",
  17         "\n"
  18         "       - print brief description of all commands\n"
  19         "help command ...\n"
  20         "       - print detailed usage of 'command'"
  21 );
  22
  23 /* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
  24 ll_entry_declare(cmd_tbl_t, question_mark, cmd) = {
  25         "?",    CONFIG_SYS_MAXARGS,     1,      do_help,
  26         "alias for 'help'",
  27 #ifdef  CONFIG_SYS_LONGHELP
  28         ""
  29 #endif /* CONFIG_SYS_LONGHELP */
  30 };
  31
  32 #endif