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_immap.h> 50 #include <cmd_rtc.h> 51 52 #include <cmd_elf.h> 53 #include <cmd_fdc.h> /* Floppy support */ 54 #include <cmd_usb.h> /* USB support */ 55 #include <cmd_scsi.h> 56 #include <cmd_pci.h> 57 #include <cmd_mii.h> 58 #include <cmd_dcr.h> /* 4xx DCR register access */ 59 #include <cmd_doc.h> 60 #include <cmd_jffs2.h> 61 #include <cmd_fpga.h> 62 63 #include <cmd_bsp.h> /* board special functions */ 64 65 #include <cmd_bedbug.h> 66 #include <cmd_elf.h> 67 68 #include <cmd_dtt.h> 69 70 #include <cmd_vfd.h> /* load a bitmap to the VFDs on TRAB */ 71 72 /* 73 * HELP command 74 */ 75 #define CMD_TBL_HELP MK_CMD_TBL_ENTRY( \ 76 "help", 1, CFG_MAXARGS, 1, do_help, \ 77 "help - print online help\n", \ 78 "[command ...]\n" \ 79 " - show help information (for 'command')\n" \ 80 "'help' prints online help for the monitor commands.\n\n" \ 81 "Without arguments, it prints a short usage message for all commands.\n\n" \ 82 "To get detailed help information for specific commands you can type\n" \ 83 "'help' with one or more command names as arguments.\n" \ 84 ), 85 86 #define CMD_TBL_QUES MK_CMD_TBL_ENTRY( \ 87 "?", 1, CFG_MAXARGS, 1, do_help, \ 88 "? - alias for 'help'\n", \ 89 NULL \ 90 ), 91 92 #define CMD_TBL_VERS MK_CMD_TBL_ENTRY( \ 93 "version", 4, 1, 1, do_version, \ 94 "version - print monitor version\n", \ 95 NULL \ 96 ), 97 98 #define CMD_TBL_ECHO MK_CMD_TBL_ENTRY( \ 99 "echo", 4, CFG_MAXARGS, 1, do_echo, \ 100 "echo - echo args to console\n", \ 101 "[args..]\n" \ 102 " - echo args to console; \\c suppresses newline\n" \ 103 ), 104 105 int 106 do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 107 { 108 extern char version_string[]; 109 printf ("\n%s\n", version_string); 110 return 0; 111 } 112 113 int 114 do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 115 { 116 int i, putnl = 1; 117 118 for (i = 1; i < argc; i++) { 119 char *p = argv[i], c; 120 121 if (i > 1) 122 putc(' '); 123 while ((c = *p++) != '\0') 124 if (c == '\\' && *p == 'c') { 125 putnl = 0; 126 p++; 127 } 128 else 129 putc(c); 130 } 131 132 if (putnl) 133 putc('\n'); 134 return 0; 135 } 136 137 /* 138 * Use puts() instead of printf() to avoid printf buffer overflow 139 * for long help messages 140 */ 141 int 142 do_help (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 143 { 144 int i; 145 int rcode = 0; 146 147 if (argc == 1) { /* print short help (usage) */ 148 149 for (cmdtp=&cmd_tbl[0]; cmdtp->name; cmdtp++) { 150 /* allow user abort */ 151 if (ctrlc()) 152 return 1; 153 154 if (cmdtp->usage == NULL) 155 continue; 156 puts (cmdtp->usage); 157 } 158 159 return 0; 160 } 161 162 /* 163 * command help (long version) 164 */ 165 for (i=1; i<argc; ++i) { 166 if ((cmdtp = find_cmd(argv[i])) != NULL) { 167 #ifdef CFG_LONGHELP 168 /* found - print (long) help info */ 169 puts (cmdtp->name); 170 putc (' '); 171 if (cmdtp->help) { 172 puts (cmdtp->help); 173 } else { 174 puts ("- No help available.\n"); 175 rcode = 1; 176 } 177 putc ('\n'); 178 #else /* no long help available */ 179 if (cmdtp->usage) 180 puts (cmdtp->usage); 181 #endif /* CFG_LONGHELP */ 182 } 183 else { 184 printf ("Unknown command '%s' - try 'help'" 185 " without arguments for list of all" 186 " known commands\n\n", 187 argv[i] 188 ); 189 rcode = 1; 190 } 191 } 192 return rcode; 193 } 194 195 /*************************************************************************** 196 * find command table entry for a command 197 */ 198 cmd_tbl_t *find_cmd(const char *cmd) 199 { 200 cmd_tbl_t *cmdtp; 201 202 /* Search command table - Use linear search - it's a small table */ 203 for (cmdtp = &cmd_tbl[0]; cmdtp->name; cmdtp++) { 204 if (strncmp (cmd, cmdtp->name, cmdtp->lmin) == 0) 205 return cmdtp; 206 } 207 return NULL; /* not found */ 208 } 209 210 /* 211 * The commands in this table are sorted alphabetically by the 212 * command name and in descending order by the command name string 213 * length. This is to prevent conflicts in command name parsing. 214 * Please ensure that new commands are added according to that rule. 215 * Please use $(TOPDIR)/doc/README.commands as a reference AND make 216 * sure it gets updated. 217 */ 218 219 cmd_tbl_t cmd_tbl[] = { 220 CMD_TBL_ASKENV 221 CMD_TBL_ASM 222 CMD_TBL_AUTOSCRIPT 223 CMD_TBL_BASE 224 CMD_TBL_BDINFO 225 CMD_TBL_BOOTELF 226 CMD_TBL_BOOTM 227 CMD_TBL_BOOTP 228 CMD_TBL_BOOTVX 229 CMD_TBL_BOOTD 230 CMD_TBL_BREAK 231 CMD_TBL_BRGINFO 232 CMD_TBL_CARINFO 233 CMD_TBL_JFFS2_CHPART 234 CMD_TBL_CMP 235 CMD_TBL_CONINFO 236 CMD_TBL_CONTINUE 237 CMD_TBL_CP 238 CMD_TBL_CRC 239 CMD_TBL_DATE 240 CMD_TBL_DCACHE 241 CMD_TBL_DHCP 242 CMD_TBL_DIAG 243 CMD_TBL_DISK 244 CMD_TBL_DMAINFO 245 CMD_TBL_DIS 246 CMD_TBL_DOCBOOT 247 CMD_TBL_DOC 248 CMD_TBL_DTT 249 CMD_TBL_ECHO 250 CMD_TBL_EEPROM 251 CMD_TBL_FCCINFO 252 CMD_TBL_FLERASE 253 CMD_TBL_FDC 254 CMD_TBL_FLINFO 255 CMD_TBL_FPGA 256 CMD_TBL_JFFS2_FSINFO 257 CMD_TBL_JFFS2_FSLOAD 258 CMD_TBL_GETDCR 259 CMD_TBL_GO 260 CMD_TBL_HELP 261 CMD_TBL_HWFLOW 262 CMD_TBL_I2CINFO 263 CMD_TBL_ICACHE 264 #ifdef CONFIG_8260 265 CMD_TBL_ICINFO 266 #endif 267 CMD_TBL_IMD 268 CMD_TBL_IMM 269 CMD_TBL_INM 270 CMD_TBL_IMW 271 CMD_TBL_ICRC 272 CMD_TBL_IPROBE 273 CMD_TBL_ILOOP 274 CMD_TBL_ISDRAM 275 CMD_TBL_IDE 276 CMD_TBL_IMINFO 277 CMD_TBL_IOPINFO 278 CMD_TBL_IOPSET 279 CMD_TBL_IRQINFO 280 CMD_TBL_KGDB 281 CMD_TBL_LOADB 282 CMD_TBL_LOADS 283 CMD_TBL_LOOP 284 CMD_TBL_JFFS2_LS 285 CMD_TBL_MCCINFO 286 CMD_TBL_MD 287 CMD_TBL_MEMCINFO 288 CMD_TBL_MII 289 CMD_TBL_MM 290 CMD_TBL_MTEST 291 CMD_TBL_MUXINFO 292 CMD_TBL_MW 293 CMD_TBL_NEXT 294 CMD_TBL_NM 295 CMD_TBL_PCI 296 CMD_TBL_PRINTENV 297 CMD_TBL_PROTECT 298 CMD_TBL_RARPB 299 CMD_TBL_RDUMP 300 CMD_TBL_PINIT 301 CMD_TBL_REGINFO 302 CMD_TBL_RESET 303 CMD_TBL_RUN 304 CMD_TBL_SAVEENV 305 CMD_TBL_SAVES 306 CMD_TBL_SCCINFO 307 CMD_TBL_SCSIBOOT 308 CMD_TBL_SCSI 309 CMD_TBL_SETDCR 310 CMD_TBL_SETENV 311 CMD_TBL_SIINFO 312 CMD_TBL_SITINFO 313 CMD_TBL_SIUINFO 314 CMD_TBL_MISC /* sleep */ 315 CMD_TBL_SMCINFO 316 CMD_TBL_SPIINFO 317 CMD_TBL_STACK 318 CMD_TBL_STEP 319 CMD_TBL_TFTPB 320 CMD_TBL_USBBOOT 321 CMD_TBL_USB 322 CMD_TBL_VERS 323 CMD_TBL_BSP 324 CMD_TBL_VFD 325 CMD_TBL_QUES /* keep this ("help") the last entry */ 326 /* the following entry terminates this table */ 327 MK_CMD_TBL_ENTRY( NULL, 0, 0, 0, NULL, NULL, NULL ) 328 }; 329