common/command.c

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  *  Command Processor Table
  26  */
  27
  28 #include <common.h>
  29 #include <command.h>
  30 #include <cmd_cache.h>
  31 #include <cmd_mem.h>
  32 #include <cmd_boot.h>
  33 #include <cmd_flash.h>
  34 #include <cmd_bootm.h>
  35 #include <cmd_net.h>
  36 #include <cmd_nvedit.h>
  37 #include <cmd_misc.h>
  38 #include <cmd_kgdb.h>
  39 #include <cmd_ide.h>
  40 #include <cmd_disk.h>
  41 #include <cmd_console.h>
  42 #include <cmd_reginfo.h>
  43 #include <cmd_pcmcia.h>
  44 #include <cmd_autoscript.h>
  45 #include <cmd_diag.h>
  46
  47 #include <cmd_eeprom.h>
  48 #include <cmd_i2c.h>
  49 #include <cmd_spi.h>
  50 #include <cmd_immap.h>
  51 #include <cmd_rtc.h>
  52
  53 #include <cmd_elf.h>
  54 #include <cmd_fdc.h>            /* Floppy support */
  55 #include <cmd_usb.h>            /* USB support */
  56 #include <cmd_scsi.h>
  57 #include <cmd_pci.h>
  58 #include <cmd_mii.h>
  59 #include <cmd_dcr.h>            /* 4xx DCR register access */
  60 #include <cmd_doc.h>
  61 #include <cmd_nand.h>
  62 #include <cmd_jffs2.h>
  63 #include <cmd_fpga.h>
  64
  65 #include <cmd_bsp.h>            /* board special functions */
  66
  67 #include <cmd_bedbug.h>
  68 #include <cmd_elf.h>
  69
  70 #include <cmd_dtt.h>
  71
  72 #include <cmd_vfd.h>            /* load a bitmap to the VFDs on TRAB */
  73 #include <cmd_log.h>
  74 #include <cmd_fdos.h>
  75 #include <cmd_bmp.h>
  76 #include <cmd_portio.h>
  77
  78 #ifdef CONFIG_AMIGAONEG3SE
  79 #include <cmd_menu.h>
  80 #include <cmd_boota.h>
  81 #endif
  82
  83 /*
  84  * HELP command
  85  */
  86 #define CMD_TBL_HELP    MK_CMD_TBL_ENTRY(                                       \
  87         "help",         1,      CFG_MAXARGS,    1,      do_help,                \
  88         "help    - print online help\n",                                        \
  89         "[command ...]\n"                                                       \
  90         "    - show help information (for 'command')\n"                         \
  91         "'help' prints online help for the monitor commands.\n\n"               \
  92         "Without arguments, it prints a short usage message for all commands.\n\n" \
  93         "To get detailed help information for specific commands you can type\n" \
  94         "'help' with one or more command names as arguments.\n"                 \
  95     ),
  96
  97 #define CMD_TBL_QUES    MK_CMD_TBL_ENTRY(                                       \
  98         "?",            1,      CFG_MAXARGS,    1,      do_help,                \
  99         "?       - alias for 'help'\n",                                         \
 100         NULL                                                                    \
 101     ),
 102
 103 #define CMD_TBL_VERS    MK_CMD_TBL_ENTRY(                                       \
 104         "version",      4,      1,              1,      do_version,             \
 105         "version - print monitor version\n",                                    \
 106         NULL                                                                    \
 107     ),
 108
 109 #define CMD_TBL_ECHO    MK_CMD_TBL_ENTRY(                                       \
 110         "echo",         4,      CFG_MAXARGS,    1,      do_echo,                \
 111         "echo    - echo args to console\n",                                     \
 112         "[args..]\n"                                                            \
 113         "    - echo args to console; \\c suppresses newline\n"                  \
 114     ),
 115
 116 int
 117 do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 118 {
 119         extern char version_string[];
 120         printf ("\n%s\n", version_string);
 121         return 0;
 122 }
 123
 124 int
 125 do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 126 {
 127         int i, putnl = 1;
 128
 129         for (i = 1; i < argc; i++) {
 130                 char *p = argv[i], c;
 131
 132                 if (i > 1)
 133                         putc(' ');
 134                 while ((c = *p++) != '\0')
 135                         if (c == '\\' && *p == 'c') {
 136                                 putnl = 0;
 137                                 p++;
 138                         }
 139                         else
 140                                 putc(c);
 141         }
 142
 143         if (putnl)
 144                 putc('\n');
 145         return 0;
 146 }
 147
 148 /*
 149  * Use puts() instead of printf() to avoid printf buffer overflow
 150  * for long help messages
 151  */
 152 int
 153 do_help (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 154 {
 155         int i;
 156         int rcode = 0;
 157
 158         if (argc == 1) {        /* print short help (usage) */
 159
 160                 for (cmdtp=&cmd_tbl[0]; cmdtp->name; cmdtp++) {
 161                         /* allow user abort */
 162                         if (ctrlc())
 163                                 return 1;
 164
 165                         if (cmdtp->usage == NULL)
 166                                 continue;
 167                         puts (cmdtp->usage);
 168                 }
 169
 170                 return 0;
 171         }
 172
 173         /*
 174          * command help (long version)
 175          */
 176         for (i=1; i<argc; ++i) {
 177                 if ((cmdtp = find_cmd(argv[i])) != NULL) {
 178 #ifdef  CFG_LONGHELP
 179                         /* found - print (long) help info */
 180                         puts (cmdtp->name);
 181                         putc (' ');
 182                         if (cmdtp->help) {
 183                                 puts (cmdtp->help);
 184                         } else {
 185                                 puts ("- No help available.\n");
 186                                 rcode = 1;
 187                         }
 188                         putc ('\n');
 189 #else   /* no long help available */
 190                         if (cmdtp->usage)
 191                                 puts (cmdtp->usage);
 192 #endif  /* CFG_LONGHELP */
 193                 }
 194                 else {
 195                         printf ("Unknown command '%s' - try 'help'"
 196                                 " without arguments for list of all"
 197                                 " known commands\n\n",
 198                                 argv[i]
 199                         );
 200                         rcode = 1;
 201                 }
 202         }
 203         return rcode;
 204 }
 205
 206 /***************************************************************************
 207  * find command table entry for a command
 208  */
 209 cmd_tbl_t *find_cmd(const char *cmd)
 210 {
 211         cmd_tbl_t *cmdtp;
 212
 213         /* Search command table - Use linear search - it's a small table */
 214         for (cmdtp = &cmd_tbl[0]; cmdtp->name; cmdtp++) {
 215                 if (strncmp (cmd, cmdtp->name, cmdtp->lmin) == 0)
 216                         return cmdtp;
 217         }
 218         return NULL;    /* not found */
 219 }
 220
 221 /*
 222  * The commands in this table are sorted alphabetically by the
 223  * command name and in descending order by the command name string
 224  * length. This is to prevent conflicts in command name parsing.
 225  * Please ensure that new commands are added according to that rule.
 226  * Please use $(TOPDIR)/doc/README.commands as a reference AND make
 227  * sure it gets updated.
 228  */
 229
 230 cmd_tbl_t cmd_tbl[] = {
 231         CMD_TBL_ASKENV
 232         CMD_TBL_ASM
 233         CMD_TBL_AUTOSCRIPT
 234         CMD_TBL_BASE
 235         CMD_TBL_BDINFO
 236         CMD_TBL_BMP
 237 #ifdef CONFIG_AMIGAONEG3SE
 238         CMD_TBL_BOOTA
 239 #endif
 240         CMD_TBL_BOOTELF
 241         CMD_TBL_BOOTM
 242         CMD_TBL_BOOTP
 243         CMD_TBL_BOOTVX
 244         CMD_TBL_BOOTD
 245         CMD_TBL_BREAK
 246         CMD_TBL_BRGINFO
 247         CMD_TBL_CARINFO
 248         CMD_TBL_JFFS2_CHPART
 249         CMD_TBL_CMP
 250         CMD_TBL_CONINFO
 251         CMD_TBL_CONTINUE
 252         CMD_TBL_CP
 253         CMD_TBL_CRC
 254         CMD_TBL_DATE
 255         CMD_TBL_DCACHE
 256         CMD_TBL_DHCP
 257         CMD_TBL_DIAG
 258         CMD_TBL_DISK
 259         CMD_TBL_DMAINFO
 260         CMD_TBL_DIS
 261         CMD_TBL_DOCBOOT
 262         CMD_TBL_DOC
 263         CMD_TBL_DTT
 264         CMD_TBL_ECHO
 265         CMD_TBL_EEPROM
 266         CMD_TBL_FCCINFO
 267         CMD_TBL_FLERASE
 268         CMD_TBL_FDC
 269         CMD_TBL_FDOS_BOOT
 270         CMD_TBL_FDOS_LS
 271         CMD_TBL_FLINFO
 272         CMD_TBL_FPGA
 273         CMD_TBL_JFFS2_FSINFO
 274         CMD_TBL_JFFS2_FSLOAD
 275         CMD_TBL_GETDCR
 276         CMD_TBL_GO
 277         CMD_TBL_HELP
 278         CMD_TBL_HWFLOW
 279         CMD_TBL_I2CINFO
 280         CMD_TBL_ICACHE
 281 #ifdef CONFIG_8260
 282         CMD_TBL_ICINFO
 283 #endif
 284         CMD_TBL_IMD
 285         CMD_TBL_IMM
 286         CMD_TBL_INM
 287         CMD_TBL_IMW
 288         CMD_TBL_PORTIO_IN
 289         CMD_TBL_ICRC
 290         CMD_TBL_IPROBE
 291         CMD_TBL_ILOOP
 292         CMD_TBL_ISDRAM
 293         CMD_TBL_IDE
 294         CMD_TBL_IMINFO
 295         CMD_TBL_IOPINFO
 296         CMD_TBL_IOPSET
 297         CMD_TBL_IRQINFO
 298         CMD_TBL_KGDB
 299         CMD_TBL_LOADB
 300         CMD_TBL_LOADS
 301         CMD_TBL_LOG
 302         CMD_TBL_LOOP
 303         CMD_TBL_JFFS2_LS
 304         CMD_TBL_MCCINFO
 305         CMD_TBL_MD
 306         CMD_TBL_MEMCINFO
 307 #ifdef CONFIG_AMIGAONEG3SE
 308         CMD_TBL_MENU
 309 #endif
 310         CMD_TBL_MII
 311         CMD_TBL_MM
 312         CMD_TBL_MTEST
 313         CMD_TBL_MUXINFO
 314         CMD_TBL_MW
 315         CMD_TBL_NAND
 316         CMD_TBL_NANDBOOT
 317         CMD_TBL_NEXT
 318         CMD_TBL_NM
 319         CMD_TBL_PORTIO_OUT
 320         CMD_TBL_PCI
 321         CMD_TBL_PRINTENV
 322         CMD_TBL_PROTECT
 323         CMD_TBL_RARPB
 324         CMD_TBL_RDUMP
 325         CMD_TBL_PINIT
 326         CMD_TBL_REGINFO
 327         CMD_TBL_RESET
 328         CMD_TBL_RUN
 329         CMD_TBL_SAVEENV
 330         CMD_TBL_SAVES
 331         CMD_TBL_SCCINFO
 332         CMD_TBL_SCSIBOOT
 333         CMD_TBL_SCSI
 334         CMD_TBL_SETDCR
 335         CMD_TBL_SETENV
 336         CMD_TBL_SIINFO
 337         CMD_TBL_SITINFO
 338         CMD_TBL_SIUINFO
 339         CMD_TBL_MISC            /* sleep */
 340         CMD_TBL_SMCINFO
 341         CMD_TBL_SPIINFO
 342         CMD_TBL_SPI
 343         CMD_TBL_STACK
 344         CMD_TBL_STEP
 345         CMD_TBL_TFTPB
 346         CMD_TBL_USBBOOT
 347         CMD_TBL_USB
 348         CMD_TBL_VERS
 349         CMD_TBL_BSP
 350         CMD_TBL_VFD
 351         CMD_TBL_QUES            /* keep this ("help") the last entry */
 352         /* the following entry terminates this table */
 353         MK_CMD_TBL_ENTRY( NULL, 0, 0, 0, NULL, NULL, NULL )
 354 };