git.gag.com Git - fw/openocd/blob - src/openocd.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   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                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #define OPENOCD_VERSION "Open On-Chip Debugger " VERSION " (" PKGBLDDATE ") svn:" PKGBLDREV
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "log.h"
  28 #include "types.h"
  29 #include "jtag.h"
  30 #include "configuration.h"
  31 #include "xsvf.h"
  32 #include "target.h"
  33 #include "flash.h"
  34 #include "nand.h"
  35 #include "pld.h"
  36
  37 #include "command.h"
  38 #include "server.h"
  39 #include "telnet_server.h"
  40 #include "gdb_server.h"
  41 #include "tcl_server.h"
  42
  43 #include <sys/time.h>
  44 #include <sys/types.h>
  45 #include <strings.h>
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49 #include <unistd.h>
  50 #include <errno.h>
  51
  52 #ifdef _WIN32
  53 #include <malloc.h>
  54 #else
  55 #include <alloca.h>
  56 #endif
  57
  58 #ifdef __ECOS
  59 /* Jim is provied by eCos */
  60 #include <cyg/jimtcl/jim.h>
  61 #else
  62 #define JIM_EMBEDDED
  63 #include "jim.h"
  64 #endif
  65
  66 #include "replacements.h"
  67
  68
  69 /* Give TELNET a way to find out what version this is */
  70 int handle_version_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  71 {
  72         command_print(cmd_ctx, OPENOCD_VERSION);
  73
  74         return ERROR_OK;
  75 }
  76
  77 static int daemon_startup = 0;
  78
  79 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  80 {
  81         if (argc==0)
  82                 return ERROR_OK;
  83         if (argc > 1 )
  84                 return ERROR_COMMAND_SYNTAX_ERROR;
  85
  86         daemon_startup = strcmp("reset", args[0])==0;
  87
  88         command_print(cmd_ctx, OPENOCD_VERSION);
  89
  90         return ERROR_OK;
  91 }
  92
  93 void exit_handler(void)
  94 {
  95         /* close JTAG interface */
  96         if (jtag && jtag->quit)
  97                 jtag->quit();
  98 }
  99
 100 /* OpenOCD can't really handle failure of this command. Patches welcome! :-) */
 101 int handle_init_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 102 {
 103         int retval;
 104         static int initialized=0;
 105         if (initialized)
 106                 return ERROR_OK;
 107
 108         initialized=1;
 109
 110         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
 111
 112         atexit(exit_handler);
 113
 114         if (target_init(cmd_ctx) != ERROR_OK)
 115                 return ERROR_FAIL;
 116         LOG_DEBUG("target init complete");
 117
 118         if ((retval=jtag_interface_init(cmd_ctx)) != ERROR_OK)
 119         {
 120                 /* we must be able to set up the jtag interface */
 121                 return retval;
 122         }
 123         LOG_DEBUG("jtag interface init complete");
 124
 125         /* Try to initialize & examine the JTAG chain at this point, but
 126          * continue startup regardless */
 127         if (jtag_init(cmd_ctx) == ERROR_OK)
 128         {
 129                 LOG_DEBUG("jtag init complete");
 130                 if (target_examine(cmd_ctx) == ERROR_OK)
 131                 {
 132                         LOG_DEBUG("jtag examine complete");
 133                 }
 134         }
 135
 136         if (flash_init_drivers(cmd_ctx) != ERROR_OK)
 137                 return ERROR_FAIL;
 138         LOG_DEBUG("flash init complete");
 139
 140         if (nand_init(cmd_ctx) != ERROR_OK)
 141                 return ERROR_FAIL;
 142         LOG_DEBUG("NAND init complete");
 143
 144         if (pld_init(cmd_ctx) != ERROR_OK)
 145                 return ERROR_FAIL;
 146         LOG_DEBUG("pld init complete");
 147
 148         /* initialize tcp server */
 149         server_init();
 150
 151         /* initialize telnet subsystem */
 152         telnet_init("Open On-Chip Debugger");
 153         gdb_init();
 154         tcl_init(); /* allows tcl to just connect without going thru telnet */
 155
 156         return ERROR_OK;
 157 }
 158
 159 Jim_Interp *interp;
 160 command_context_t *active_cmd_ctx;
 161
 162 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
 163 {
 164         char *namebuf;
 165         Jim_Obj *nameObjPtr, *valObjPtr;
 166         int result;
 167
 168         namebuf = alloc_printf("%s(%d)", varname, idx);
 169         if (!namebuf)
 170                 return JIM_ERR;
 171
 172         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
 173         valObjPtr = Jim_NewIntObj(interp, val);
 174         if (!nameObjPtr || !valObjPtr)
 175         {
 176                 free(namebuf);
 177                 return JIM_ERR;
 178         }
 179
 180         Jim_IncrRefCount(nameObjPtr);
 181         Jim_IncrRefCount(valObjPtr);
 182         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
 183         Jim_DecrRefCount(interp, nameObjPtr);
 184         Jim_DecrRefCount(interp, valObjPtr);
 185         free(namebuf);
 186         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
 187         return result;
 188 }
 189
 190 static int Jim_Command_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 191 {
 192         target_t *target;
 193         long l;
 194         u32 width;
 195         u32 len;
 196         u32 addr;
 197         u32 count;
 198         u32 v;
 199         const char *varname;
 200         u8 buffer[4096];
 201         int  i, n, e, retval;
 202
 203         /* argv[1] = name of array to receive the data
 204          * argv[2] = desired width
 205          * argv[3] = memory address
 206          * argv[4] = count of times to read
 207          */
 208         if (argc != 5) {
 209                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
 210                 return JIM_ERR;
 211         }
 212         varname = Jim_GetString(argv[1], &len);
 213         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
 214
 215         e = Jim_GetLong(interp, argv[2], &l);
 216         width = l;
 217         if (e != JIM_OK) {
 218                 return e;
 219         }
 220
 221         e = Jim_GetLong(interp, argv[3], &l);
 222         addr = l;
 223         if (e != JIM_OK) {
 224                 return e;
 225         }
 226         e = Jim_GetLong(interp, argv[4], &l);
 227         len = l;
 228         if (e != JIM_OK) {
 229                 return e;
 230         }
 231         switch (width) {
 232                 case 8:
 233                         width = 1;
 234                         break;
 235                 case 16:
 236                         width = 2;
 237                         break;
 238                 case 32:
 239                         width = 4;
 240                         break;
 241                 default:
 242                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 243                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
 244                         return JIM_ERR;
 245         }
 246         if (len == 0) {
 247                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 248                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
 249                 return JIM_ERR;
 250         }
 251         if ((addr + (len * width)) < addr) {
 252                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 253                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
 254                 return JIM_ERR;
 255         }
 256         /* absurd transfer size? */
 257         if (len > 65536) {
 258                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 259                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
 260                 return JIM_ERR;
 261         }
 262
 263         if ((width == 1) ||
 264                 ((width == 2) && ((addr & 1) == 0)) ||
 265                 ((width == 4) && ((addr & 3) == 0))) {
 266                 /* all is well */
 267         } else {
 268                 char buf[100];
 269                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 270                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
 271                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
 272                 return JIM_ERR;
 273         }
 274
 275         target = get_current_target(active_cmd_ctx);
 276
 277         /* Transfer loop */
 278
 279         /* index counter */
 280         n = 0;
 281         /* assume ok */
 282         e = JIM_OK;
 283         while (len) {
 284                 /* Slurp... in buffer size chunks */
 285
 286                 count = len; /* in objects.. */
 287                 if (count > (sizeof(buffer)/width)) {
 288                         count = (sizeof(buffer)/width);
 289                 }
 290
 291                 retval = target->type->read_memory( target, addr, width, count, buffer );
 292                 if (retval != ERROR_OK) {
 293                         /* BOO !*/
 294                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
 295                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 296                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
 297                         e = JIM_ERR;
 298                         len = 0;
 299                 } else {
 300                         v = 0; /* shut up gcc */
 301                         for (i = 0 ;i < count ;i++, n++) {
 302                                 switch (width) {
 303                                         case 4:
 304                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
 305                                                 break;
 306                                         case 2:
 307                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
 308                                                 break;
 309                                         case 1:
 310                                                 v = buffer[i] & 0x0ff;
 311                                                 break;
 312                                 }
 313                                 new_int_array_element(interp, varname, n, v);
 314                         }
 315                         len -= count;
 316                 }
 317         }
 318
 319         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 320
 321         return JIM_OK;
 322 }
 323
 324 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
 325 {
 326         char *namebuf;
 327         Jim_Obj *nameObjPtr, *valObjPtr;
 328         int result;
 329         long l;
 330
 331         namebuf = alloc_printf("%s(%d)", varname, idx);
 332         if (!namebuf)
 333                 return JIM_ERR;
 334
 335         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
 336         if (!nameObjPtr)
 337         {
 338                 free(namebuf);
 339                 return JIM_ERR;
 340         }
 341
 342         Jim_IncrRefCount(nameObjPtr);
 343         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
 344         Jim_DecrRefCount(interp, nameObjPtr);
 345         free(namebuf);
 346         if (valObjPtr == NULL)
 347                 return JIM_ERR;
 348
 349         result = Jim_GetLong(interp, valObjPtr, &l);
 350         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
 351         *val = l;
 352         return result;
 353 }
 354
 355 static int Jim_Command_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 356 {
 357         target_t *target;
 358         long l;
 359         u32 width;
 360         u32 len;
 361         u32 addr;
 362         u32 count;
 363         u32 v;
 364         const char *varname;
 365         u8 buffer[4096];
 366         int  i, n, e, retval;
 367
 368         /* argv[1] = name of array to get the data
 369          * argv[2] = desired width
 370          * argv[3] = memory address
 371          * argv[4] = count to write
 372          */
 373         if (argc != 5) {
 374                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
 375                 return JIM_ERR;
 376         }
 377         varname = Jim_GetString(argv[1], &len);
 378         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
 379
 380         e = Jim_GetLong(interp, argv[2], &l);
 381         width = l;
 382         if (e != JIM_OK) {
 383                 return e;
 384         }
 385
 386         e = Jim_GetLong(interp, argv[3], &l);
 387         addr = l;
 388         if (e != JIM_OK) {
 389                 return e;
 390         }
 391         e = Jim_GetLong(interp, argv[4], &l);
 392         len = l;
 393         if (e != JIM_OK) {
 394                 return e;
 395         }
 396         switch (width) {
 397                 case 8:
 398                         width = 1;
 399                         break;
 400                 case 16:
 401                         width = 2;
 402                         break;
 403                 case 32:
 404                         width = 4;
 405                         break;
 406                 default:
 407                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 408                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
 409                         return JIM_ERR;
 410         }
 411         if (len == 0) {
 412                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 413                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
 414                 return JIM_ERR;
 415         }
 416         if ((addr + (len * width)) < addr) {
 417                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 418                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
 419                 return JIM_ERR;
 420         }
 421         /* absurd transfer size? */
 422         if (len > 65536) {
 423                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 424                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
 425                 return JIM_ERR;
 426         }
 427
 428         if ((width == 1) ||
 429                 ((width == 2) && ((addr & 1) == 0)) ||
 430                 ((width == 4) && ((addr & 3) == 0))) {
 431                 /* all is well */
 432         } else {
 433                 char buf[100];
 434                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 435                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
 436                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
 437                 return JIM_ERR;
 438         }
 439
 440         target = get_current_target(active_cmd_ctx);
 441
 442         /* Transfer loop */
 443
 444         /* index counter */
 445         n = 0;
 446         /* assume ok */
 447         e = JIM_OK;
 448         while (len) {
 449                 /* Slurp... in buffer size chunks */
 450
 451                 count = len; /* in objects.. */
 452                 if (count > (sizeof(buffer)/width)) {
 453                         count = (sizeof(buffer)/width);
 454                 }
 455
 456                 v = 0; /* shut up gcc */
 457                 for (i = 0 ;i < count ;i++, n++) {
 458                         get_int_array_element(interp, varname, n, &v);
 459                         switch (width) {
 460                         case 4:
 461                                 target_buffer_set_u32(target, &buffer[i*width], v);
 462                                 break;
 463                         case 2:
 464                                 target_buffer_set_u16(target, &buffer[i*width], v);
 465                                 break;
 466                         case 1:
 467                                 buffer[i] = v & 0x0ff;
 468                                 break;
 469                         }
 470                 }
 471                 len -= count;
 472
 473                 retval = target->type->write_memory(target, addr, width, count, buffer);
 474                 if (retval != ERROR_OK) {
 475                         /* BOO !*/
 476                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
 477                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 478                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
 479                         e = JIM_ERR;
 480                         len = 0;
 481                 }
 482         }
 483
 484         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 485
 486         return JIM_OK;
 487 }
 488
 489 static void tcl_output(void *privData, const char *file, int line, const char *function, const char *string)
 490 {
 491         Jim_Obj *tclOutput=(Jim_Obj *)privData;
 492
 493         Jim_AppendString(interp, tclOutput, string, strlen(string));
 494 }
 495
 496 static int openocd_retval;
 497
 498 /* try to execute as Jim command, otherwise fall back to standard command.
 499  * Note that even if the Jim command caused an error, then we succeeded
 500  * to execute it, hence this fn pretty much always returns ERROR_OK. */
 501 int jim_command(command_context_t *context, char *line)
 502 {
 503         int retval=ERROR_OK;
 504         int retcode;
 505
 506         active_cmd_ctx = context;
 507         openocd_retval=ERROR_OK;
 508         retcode = Jim_Eval(interp, line);
 509
 510         if (retcode == JIM_ERR) {
 511                 if (openocd_retval!=ERROR_COMMAND_CLOSE_CONNECTION)
 512                 {
 513                         /* We do not print the connection closed error message */
 514                         Jim_PrintErrorMessage(interp);
 515                 }
 516                 if (openocd_retval==ERROR_OK)
 517                 {
 518                         /* It wasn't a low level OpenOCD command that failed */
 519                         return ERROR_FAIL;
 520                 }
 521             return openocd_retval;
 522         }
 523         const char *result;
 524         int reslen;
 525         result = Jim_GetString(Jim_GetResult(interp), &reslen);
 526
 527         if (retcode == JIM_EXIT) {
 528                 /* ignore. */
 529         /* exit(Jim_GetExitCode(interp)); */
 530         } else {
 531                 if (reslen) {
 532                         int i;
 533                         char buff[256+1];
 534                         for (i = 0; i < reslen; i += 256)
 535                         {
 536                                 int chunk;
 537                                 chunk = reslen - i;
 538                                 if (chunk > 256)
 539                                         chunk = 256;
 540                         strncpy(buff, result+i, chunk);
 541                                 buff[chunk] = 0;
 542                                 LOG_USER_N("%s", buff);
 543                         }
 544                         LOG_USER_N("%s", "\n");
 545                 }
 546         }
 547         return retval;
 548 }
 549
 550 int startLoop = 0;
 551
 552 static int Jim_Command_openocd_ignore(Jim_Interp *interp, int argc, Jim_Obj *const *argv, int ignore)
 553 {
 554         int retval;
 555         char *cmd = (char*)Jim_GetString(argv[1], NULL);
 556
 557         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
 558
 559         if (startLoop)
 560         {
 561                 /* We don't know whether or not the telnet/gdb server is running... */
 562                 target_call_timer_callbacks_now();
 563         }
 564
 565         log_add_callback(tcl_output, tclOutput);
 566         retval=command_run_line_internal(active_cmd_ctx, cmd);
 567
 568         /* we need to be able to get at the retval, so we store in a global variable */
 569         openocd_retval=retval;
 570
 571         if (startLoop)
 572         {
 573                 target_call_timer_callbacks_now();
 574         }
 575         log_remove_callback(tcl_output, tclOutput);
 576
 577         Jim_SetResult(interp, tclOutput);
 578
 579         return (ignore||(retval==ERROR_OK))?JIM_OK:JIM_ERR;
 580 }
 581
 582 static int Jim_Command_openocd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 583 {
 584         return Jim_Command_openocd_ignore(interp, argc, argv, 1);
 585 }
 586
 587 static int Jim_Command_openocd_throw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 588 {
 589         return Jim_Command_openocd_ignore(interp, argc, argv, 0);
 590 }
 591
 592 /* find full path to file */
 593 static int Jim_Command_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 594 {
 595         if (argc != 2)
 596                 return JIM_ERR;
 597         const char *file = Jim_GetString(argv[1], NULL);
 598         char *full_path = find_file(file);
 599         if (full_path == NULL)
 600                 return JIM_ERR;
 601         Jim_Obj *result = Jim_NewStringObj(interp, full_path, strlen(full_path));
 602         free(full_path);
 603
 604         Jim_SetResult(interp, result);
 605         return JIM_OK;
 606 }
 607
 608 static int Jim_Command_echo(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 609 {
 610         if (argc != 2)
 611                 return JIM_ERR;
 612         char *str = (char*)Jim_GetString(argv[1], NULL);
 613         LOG_USER("%s", str);
 614         return JIM_OK;
 615 }
 616
 617 static int Jim_Command_script(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 618 {
 619         int retval;
 620         const char *file;
 621         char *full_path;
 622
 623         if (argc != 2)
 624         {
 625                 Jim_WrongNumArgs(interp, 1, argv, "file name missing");
 626                 return JIM_ERR;
 627         }
 628
 629         /* Run a tcl script file */
 630         file = Jim_GetString(argv[1], NULL);
 631         full_path = find_file(file);
 632         if (full_path == NULL)
 633         {
 634                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
 635                 Jim_AppendStrings(interp, Jim_GetResult(interp), "script: could not open file", file, NULL);
 636                 return JIM_ERR;
 637         }
 638         retval = Jim_EvalFile(interp, full_path);
 639         free(full_path);
 640         /* convert a return to ok */
 641         if (retval == JIM_RETURN)
 642                 return JIM_OK;
 643         return retval;
 644 }
 645
 646
 647 static size_t openocd_jim_fwrite(const void *_ptr, size_t size, size_t n, void *cookie)
 648 {
 649         size_t nbytes;
 650         const char *ptr;
 651
 652         /* make it a char easier to read code */
 653         ptr = _ptr;
 654
 655         nbytes = size * n;
 656         if (nbytes == 0) {
 657                 return 0;
 658         }
 659
 660         if (!active_cmd_ctx) {
 661                 /* TODO: Where should this go? */
 662                 return n;
 663         }
 664
 665         /* do we have to chunk it? */
 666         if (ptr[nbytes] == 0) {
 667                 /* no it is a C style string */
 668                 command_output_text(active_cmd_ctx, ptr);
 669                 return strlen(ptr);
 670         }
 671         /* GRR we must chunk - not null terminated */
 672         while (nbytes) {
 673                 char chunk[128+1];
 674                 int x;
 675
 676                 x = nbytes;
 677                 if (x > 128) {
 678                         x = 128;
 679                 }
 680                 /* copy it */
 681                 memcpy(chunk, ptr, x);
 682                 /* terminate it */
 683                 chunk[n] = 0;
 684                 /* output it */
 685                 command_output_text(active_cmd_ctx, chunk);
 686                 ptr += x;
 687                 nbytes -= x;
 688         }
 689
 690         return n;
 691 }
 692
 693 static size_t openocd_jim_fread(void *ptr, size_t size, size_t n, void *cookie )
 694 {
 695         /* TCL wants to read... tell him no */
 696         return 0;
 697 }
 698
 699 static int openocd_jim_vfprintf(void *cookie, const char *fmt, va_list ap)
 700 {
 701         char *cp;
 702         int n;
 703
 704         n = -1;
 705         if (active_cmd_ctx) {
 706                 cp = alloc_vprintf(fmt, ap);
 707                 if (cp) {
 708                         command_output_text(active_cmd_ctx, cp);
 709                         n = strlen(cp);
 710                         free(cp);
 711                 }
 712         }
 713         return n;
 714 }
 715
 716 static int openocd_jim_fflush(void *cookie)
 717 {
 718         /* nothing to flush */
 719         return 0;
 720 }
 721
 722 static char* openocd_jim_fgets(char *s, int size, void *cookie)
 723 {
 724         /* not supported */
 725         errno = ENOTSUP;
 726         return NULL;
 727 }
 728
 729 void add_jim(const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help)
 730 {
 731         Jim_CreateCommand(interp, name, cmd, NULL, NULL);
 732
 733         /* FIX!!! it would be prettier to invoke add_help_text...
 734         accumulate help text in Tcl helptext list.  */
 735     Jim_Obj *helptext=Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
 736     if (Jim_IsShared(helptext))
 737         helptext = Jim_DuplicateObj(interp, helptext);
 738
 739         Jim_Obj *cmd_entry=Jim_NewListObj(interp, NULL, 0);
 740
 741         Jim_Obj *cmd_list=Jim_NewListObj(interp, NULL, 0);
 742         Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, name, -1));
 743
 744         Jim_ListAppendElement(interp, cmd_entry, cmd_list);
 745         Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
 746         Jim_ListAppendElement(interp, helptext, cmd_entry);
 747 }
 748
 749 extern unsigned const char startup_tcl[];
 750
 751 void initJim(void)
 752 {
 753         Jim_CreateCommand(interp, "openocd", Jim_Command_openocd, NULL, NULL);
 754         Jim_CreateCommand(interp, "openocd_throw", Jim_Command_openocd_throw, NULL, NULL);
 755         Jim_CreateCommand(interp, "find", Jim_Command_find, NULL, NULL);
 756         Jim_CreateCommand(interp, "echo", Jim_Command_echo, NULL, NULL);
 757         Jim_CreateCommand(interp, "script", Jim_Command_script, NULL, NULL);
 758         Jim_CreateCommand(interp, "mem2array", Jim_Command_mem2array, NULL, NULL );
 759         Jim_CreateCommand(interp, "array2mem", Jim_Command_array2mem, NULL, NULL );
 760
 761         /* Set Jim's STDIO */
 762         interp->cookie_stdin = NULL;
 763         interp->cookie_stdout = NULL;
 764         interp->cookie_stderr = NULL;
 765         interp->cb_fwrite = openocd_jim_fwrite;
 766         interp->cb_fread = openocd_jim_fread ;
 767         interp->cb_vfprintf = openocd_jim_vfprintf;
 768         interp->cb_fflush = openocd_jim_fflush;
 769         interp->cb_fgets = openocd_jim_fgets;
 770
 771         add_default_dirs();
 772
 773         if (Jim_Eval(interp, startup_tcl)==JIM_ERR)
 774         {
 775                 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD compile time)");
 776                 Jim_PrintErrorMessage(interp);
 777                 exit(-1);
 778         }
 779 }
 780
 781 command_context_t *setup_command_handler(void)
 782 {
 783         command_context_t *cmd_ctx;
 784
 785         cmd_ctx = command_init();
 786
 787         register_command(cmd_ctx, NULL, "version", handle_version_command,
 788                                          COMMAND_EXEC, "show OpenOCD version");
 789         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG,
 790                         "deprecated - use \"init\" and \"reset\" at end of startup script instead");
 791
 792         /* register subsystem commands */
 793         server_register_commands(cmd_ctx);
 794         telnet_register_commands(cmd_ctx);
 795         gdb_register_commands(cmd_ctx);
 796         tcl_register_commands(cmd_ctx); /* tcl server commands */
 797         log_register_commands(cmd_ctx);
 798         jtag_register_commands(cmd_ctx);
 799         xsvf_register_commands(cmd_ctx);
 800         target_register_commands(cmd_ctx);
 801         flash_register_commands(cmd_ctx);
 802         nand_register_commands(cmd_ctx);
 803         pld_register_commands(cmd_ctx);
 804
 805         if (log_init(cmd_ctx) != ERROR_OK)
 806         {
 807                 exit(-1);
 808         }
 809         LOG_DEBUG("log init complete");
 810
 811         LOG_OUTPUT( OPENOCD_VERSION "\n" );
 812
 813
 814         register_command(cmd_ctx, NULL, "init", handle_init_command,
 815                                          COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");
 816
 817         return cmd_ctx;
 818 }
 819
 820 /* normally this is the main() function entry, but if OpenOCD is linked
 821  * into application, then this fn will not be invoked, but rather that
 822  * application will have it's own implementation of main(). */
 823 int openocd_main(int argc, char *argv[])
 824 {
 825 #ifdef JIM_EMBEDDED
 826         Jim_InitEmbedded();
 827         /* Create an interpreter */
 828         interp = Jim_CreateInterp();
 829         /* Add all the Jim core commands */
 830         Jim_RegisterCoreCommands(interp);
 831 #endif
 832
 833         initJim();
 834
 835         /* initialize commandline interface */
 836         command_context_t *cmd_ctx;
 837         cmd_ctx=setup_command_handler();
 838
 839         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 840         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 841         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 842         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 843         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 844         LOG_OUTPUT( "$URL$\n");
 845         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 846         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 847         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 848         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 849         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 850
 851         command_context_t *cfg_cmd_ctx;
 852         cfg_cmd_ctx = copy_command_context(cmd_ctx);
 853         cfg_cmd_ctx->mode = COMMAND_CONFIG;
 854         command_set_output_handler(cfg_cmd_ctx, configuration_output_handler, NULL);
 855
 856         active_cmd_ctx=cfg_cmd_ctx;
 857
 858
 859         if (parse_cmdline_args(cfg_cmd_ctx, argc, argv) != ERROR_OK)
 860                 return EXIT_FAILURE;
 861
 862         if (parse_config_file(cfg_cmd_ctx) != ERROR_OK)
 863                 return EXIT_FAILURE;
 864
 865         active_cmd_ctx=cmd_ctx;
 866
 867         command_done(cfg_cmd_ctx);
 868
 869         if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
 870                 return EXIT_FAILURE;
 871
 872         if (daemon_startup)
 873                 command_run_line(cmd_ctx, "reset");
 874
 875         startLoop=1;
 876
 877         /* handle network connections */
 878         server_loop(cmd_ctx);
 879
 880         /* shut server down */
 881         server_quit();
 882
 883         unregister_all_commands(cmd_ctx);
 884
 885         /* free commandline interface */
 886         command_done(cmd_ctx);
 887
 888         return EXIT_SUCCESS;
 889 }