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_jffs2.h> 62 #include <cmd_fpga.h> 63 64 #include <cmd_bsp.h> /* board special functions */ 65 66 #include <cmd_bedbug.h> 67 #include <cmd_elf.h> 68 69 #include <cmd_dtt.h> 70 71 #include <cmd_vfd.h> /* load a bitmap to the VFDs on TRAB */ 72 #include <cmd_log.h> 73 74 /* 75 * HELP command 76 */ 77 #define CMD_TBL_HELP MK_CMD_TBL_ENTRY( \ 78 "help", 1, CFG_MAXARGS, 1, do_help, \ 79 "help - print online help\n", \ 80 "[command ...]\n" \ 81 " - show help information (for 'command')\n" \ 82 "'help' prints online help for the monitor commands.\n\n" \ 83 "Without arguments, it prints a short usage message for all commands.\n\n" \ 84 "To get detailed help information for specific commands you can type\n" \ 85 "'help' with one or more command names as arguments.\n" \ 86 ), 87 88 #define CMD_TBL_QUES MK_CMD_TBL_ENTRY( \ 89 "?", 1, CFG_MAXARGS, 1, do_help, \ 90 "? - alias for 'help'\n", \ 91 NULL \ 92 ), 93 94 #define CMD_TBL_VERS MK_CMD_TBL_ENTRY( \ 95 "version", 4, 1, 1, do_version, \ 96 "version - print monitor version\n", \ 97 NULL \ 98 ), 99 100 #define CMD_TBL_ECHO MK_CMD_TBL_ENTRY( \ 101 "echo", 4, CFG_MAXARGS, 1, do_echo, \ 102 "echo - echo args to console\n", \ 103 "[args..]\n" \ 104 " - echo args to console; \\c suppresses newline\n" \ 105 ), 106 107 int 108 do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 109 { 110 extern char version_string[]; 111 printf ("\n%s\n", version_string); 112 return 0; 113 } 114 115 int 116 do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 117 { 118 int i, putnl = 1; 119 120 for (i = 1; i < argc; i++) { 121 char *p = argv[i], c; 122 123 if (i > 1) 124 putc(' '); 125 while ((c = *p++) != '\0') 126 if (c == '\\' && *p == 'c') { 127 putnl = 0; 128 p++; 129 } 130 else 131 putc(c); 132 } 133 134 if (putnl) 135 putc('\n'); 136 return 0; 137 } 138 139 /* 140 * Use puts() instead of printf() to avoid printf buffer overflow 141 * for long help messages 142 */ 143 int 144 do_help (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 145 { 146 int i; 147 int rcode = 0; 148 149 if (argc == 1) { /* print short help (usage) */ 150 151 for (cmdtp=&cmd_tbl[0]; cmdtp->name; cmdtp++) { 152 /* allow user abort */ 153 if (ctrlc()) 154 return 1; 155 156 if (cmdtp->usage == NULL) 157 continue; 158 puts (cmdtp->usage); 159 } 160 161 return 0; 162 } 163 164 /* 165 * command help (long version) 166 */ 167 for (i=1; i<argc; ++i) { 168 if ((cmdtp = find_cmd(argv[i])) != NULL) { 169 #ifdef CFG_LONGHELP 170 /* found - print (long) help info */ 171 puts (cmdtp->name); 172 putc (' '); 173 if (cmdtp->help) { 174 puts (cmdtp->help); 175 } else { 176 puts ("- No help available.\n"); 177 rcode = 1; 178 } 179 putc ('\n'); 180 #else /* no long help available */ 181 if (cmdtp->usage) 182 puts (cmdtp->usage); 183 #endif /* CFG_LONGHELP */ 184 } 185 else { 186 printf ("Unknown command '%s' - try 'help'" 187 " without arguments for list of all" 188 " known commands\n\n", 189 argv[i] 190 ); 191 rcode = 1; 192 } 193 } 194 return rcode; 195 } 196 197 /*************************************************************************** 198 * find command table entry for a command 199 */ 200 cmd_tbl_t *find_cmd(const char *cmd) 201 { 202 cmd_tbl_t *cmdtp; 203 204 /* Search command table - Use linear search - it's a small table */ 205 for (cmdtp = &cmd_tbl[0]; cmdtp->name; cmdtp++) { 206 if (strncmp (cmd, cmdtp->name, cmdtp->lmin) == 0) 207 return cmdtp; 208 } 209 return NULL; /* not found */ 210 } 211 212 /* 213 * The commands in this table are sorted alphabetically by the 214 * command name and in descending order by the command name string 215 * length. This is to prevent conflicts in command name parsing. 216 * Please ensure that new commands are added according to that rule. 217 * Please use $(TOPDIR)/doc/README.commands as a reference AND make 218 * sure it gets updated. 219 */ 220 221 cmd_tbl_t cmd_tbl[] = { 222 CMD_TBL_ASKENV 223 CMD_TBL_ASM 224 CMD_TBL_AUTOSCRIPT 225 CMD_TBL_BASE 226 CMD_TBL_BDINFO 227 CMD_TBL_BOOTELF 228 CMD_TBL_BOOTM 229 CMD_TBL_BOOTP 230 CMD_TBL_BOOTVX 231 CMD_TBL_BOOTD 232 CMD_TBL_BREAK 233 CMD_TBL_BRGINFO 234 CMD_TBL_CARINFO 235 CMD_TBL_JFFS2_CHPART 236 CMD_TBL_CMP 237 CMD_TBL_CONINFO 238 CMD_TBL_CONTINUE 239 CMD_TBL_CP 240 CMD_TBL_CRC 241 CMD_TBL_DATE 242 CMD_TBL_DCACHE 243 CMD_TBL_DHCP 244 CMD_TBL_DIAG 245 CMD_TBL_DISK 246 CMD_TBL_DMAINFO 247 CMD_TBL_DIS 248 CMD_TBL_DOCBOOT 249 CMD_TBL_DOC 250 CMD_TBL_DTT 251 CMD_TBL_ECHO 252 CMD_TBL_EEPROM 253 CMD_TBL_FCCINFO 254 CMD_TBL_FLERASE 255 CMD_TBL_FDC 256 CMD_TBL_FLINFO 257 CMD_TBL_FPGA 258 CMD_TBL_JFFS2_FSINFO 259 CMD_TBL_JFFS2_FSLOAD 260 CMD_TBL_GETDCR 261 CMD_TBL_GO 262 CMD_TBL_HELP 263 CMD_TBL_HWFLOW 264 CMD_TBL_I2CINFO 265 CMD_TBL_ICACHE 266 #ifdef CONFIG_8260 267 CMD_TBL_ICINFO 268 #endif 269 CMD_TBL_IMD 270 CMD_TBL_IMM 271 CMD_TBL_INM 272 CMD_TBL_IMW 273 CMD_TBL_ICRC 274 CMD_TBL_IPROBE 275 CMD_TBL_ILOOP 276 CMD_TBL_ISDRAM 277 CMD_TBL_IDE 278 CMD_TBL_IMINFO 279 CMD_TBL_IOPINFO 280 CMD_TBL_IOPSET 281 CMD_TBL_IRQINFO 282 CMD_TBL_KGDB 283 CMD_TBL_LOADB 284 CMD_TBL_LOADS 285 CMD_TBL_LOG 286 CMD_TBL_LOOP 287 CMD_TBL_JFFS2_LS 288 CMD_TBL_MCCINFO 289 CMD_TBL_MD 290 CMD_TBL_MEMCINFO 291 CMD_TBL_MII 292 CMD_TBL_MM 293 CMD_TBL_MTEST 294 CMD_TBL_MUXINFO 295 CMD_TBL_MW 296 CMD_TBL_NEXT 297 CMD_TBL_NM 298 CMD_TBL_PCI 299 CMD_TBL_PRINTENV 300 CMD_TBL_PROTECT 301 CMD_TBL_RARPB 302 CMD_TBL_RDUMP 303 CMD_TBL_PINIT 304 CMD_TBL_REGINFO 305 CMD_TBL_RESET 306 CMD_TBL_RUN 307 CMD_TBL_SAVEENV 308 CMD_TBL_SAVES 309 CMD_TBL_SCCINFO 310 CMD_TBL_SCSIBOOT 311 CMD_TBL_SCSI 312 CMD_TBL_SETDCR 313 CMD_TBL_SETENV 314 CMD_TBL_SIINFO 315 CMD_TBL_SITINFO 316 CMD_TBL_SIUINFO 317 CMD_TBL_MISC /* sleep */ 318 CMD_TBL_SMCINFO 319 CMD_TBL_SPIINFO 320 CMD_TBL_SPI 321 CMD_TBL_STACK 322 CMD_TBL_STEP 323 CMD_TBL_TFTPB 324 CMD_TBL_USBBOOT 325 CMD_TBL_USB 326 CMD_TBL_VERS 327 CMD_TBL_BSP 328 CMD_TBL_VFD 329 CMD_TBL_QUES /* keep this ("help") the last entry */ 330 /* the following entry terminates this table */ 331 MK_CMD_TBL_ENTRY( NULL, 0, 0, 0, NULL, NULL, NULL ) 332 }; 333