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 /* try to execute as Jim command, otherwise fall back to standard command.
 497  * Note that even if the Jim command caused an error, then we succeeded
 498  * to execute it, hence this fn pretty much always returns ERROR_OK. */
 499 int jim_command(command_context_t *context, char *line)
 500 {
 501         int retval=ERROR_OK;
 502         int retcode=Jim_Eval(interp, line);
 503
 504         if (retcode == JIM_ERR) {
 505                 Jim_PrintErrorMessage(interp);
 506             long t;
 507             Jim_Obj *openocd_result=Jim_GetVariableStr(interp, "openocd_result", JIM_ERRMSG);
 508             if (openocd_result)
 509             {
 510                     if (Jim_GetLong(interp, openocd_result, &t)==JIM_OK)
 511                     {
 512                         return t;
 513                     }
 514                 }
 515             return ERROR_FAIL;
 516         }
 517         const char *result;
 518         int reslen;
 519         result = Jim_GetString(Jim_GetResult(interp), &reslen);
 520
 521         if (retcode == JIM_EXIT) {
 522                 /* ignore. */
 523         /* exit(Jim_GetExitCode(interp)); */
 524         } else {
 525                 if (reslen) {
 526                         int i;
 527                         char buff[256+1];
 528                         for (i = 0; i < reslen; i += 256)
 529                         {
 530                                 int chunk;
 531                                 chunk = reslen - i;
 532                                 if (chunk > 256)
 533                                         chunk = 256;
 534                         strncpy(buff, result+i, chunk);
 535                                 buff[chunk] = 0;
 536                                 LOG_USER_N("%s", buff);
 537                         }
 538                         LOG_USER_N("%s", "\n");
 539                 }
 540         }
 541         return retval;
 542 }
 543
 544 int startLoop = 0;
 545
 546 static int Jim_Command_openocd_ignore(Jim_Interp *interp, int argc, Jim_Obj *const *argv, int ignore)
 547 {
 548         int retval;
 549         char *cmd = (char*)Jim_GetString(argv[1], NULL);
 550
 551         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
 552
 553         if (startLoop)
 554         {
 555                 /* We don't know whether or not the telnet/gdb server is running... */
 556                 target_call_timer_callbacks_now();
 557         }
 558
 559         log_add_callback(tcl_output, tclOutput);
 560         retval=command_run_line_internal(active_cmd_ctx, cmd);
 561
 562         /* we need to be able to get at the retval, so we store in a variable
 563          */
 564         Jim_Obj *resultvar=Jim_NewIntObj(interp, retval);
 565         Jim_IncrRefCount(resultvar);
 566         Jim_SetGlobalVariableStr(interp, "openocd_result", resultvar);
 567         Jim_DecrRefCount(interp, resultvar);
 568
 569         if (startLoop)
 570         {
 571                 target_call_timer_callbacks_now();
 572         }
 573         log_remove_callback(tcl_output, tclOutput);
 574
 575         Jim_SetResult(interp, tclOutput);
 576
 577         return (ignore||(retval==ERROR_OK))?JIM_OK:JIM_ERR;
 578 }
 579
 580 static int Jim_Command_openocd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 581 {
 582         return Jim_Command_openocd_ignore(interp, argc, argv, 1);
 583 }
 584
 585 static int Jim_Command_openocd_throw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 586 {
 587         return Jim_Command_openocd_ignore(interp, argc, argv, 0);
 588 }
 589
 590 /* find full path to file */
 591 static int Jim_Command_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 592 {
 593         if (argc != 2)
 594                 return JIM_ERR;
 595         char *file = (char*)Jim_GetString(argv[1], NULL);
 596         char *full_path = find_file(file);
 597         if (full_path == NULL)
 598                 return JIM_ERR;
 599         Jim_Obj *result = Jim_NewStringObj(interp, full_path, strlen(full_path));
 600         free(full_path);
 601
 602         Jim_SetResult(interp, result);
 603         return JIM_OK;
 604 }
 605
 606 static int Jim_Command_echo(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 607 {
 608         if (argc != 2)
 609                 return JIM_ERR;
 610         char *str = (char*)Jim_GetString(argv[1], NULL);
 611         LOG_USER("%s", str);
 612         return JIM_OK;
 613 }
 614
 615 static size_t openocd_jim_fwrite(const void *_ptr, size_t size, size_t n, void *cookie)
 616 {
 617         size_t nbytes;
 618         const char *ptr;
 619
 620         /* make it a char easier to read code */
 621         ptr = _ptr;
 622
 623         nbytes = size * n;
 624         if (nbytes == 0) {
 625                 return 0;
 626         }
 627
 628         if (!active_cmd_ctx) {
 629                 /* TODO: Where should this go? */
 630                 return n;
 631         }
 632
 633         /* do we have to chunk it? */
 634         if (ptr[nbytes] == 0) {
 635                 /* no it is a C style string */
 636                 command_output_text(active_cmd_ctx, ptr);
 637                 return strlen(ptr);
 638         }
 639         /* GRR we must chunk - not null terminated */
 640         while (nbytes) {
 641                 char chunk[128+1];
 642                 int x;
 643
 644                 x = nbytes;
 645                 if (x > 128) {
 646                         x = 128;
 647                 }
 648                 /* copy it */
 649                 memcpy(chunk, ptr, x);
 650                 /* terminate it */
 651                 chunk[n] = 0;
 652                 /* output it */
 653                 command_output_text(active_cmd_ctx, chunk);
 654                 ptr += x;
 655                 nbytes -= x;
 656         }
 657
 658         return n;
 659 }
 660
 661 static size_t openocd_jim_fread(void *ptr, size_t size, size_t n, void *cookie )
 662 {
 663         /* TCL wants to read... tell him no */
 664         return 0;
 665 }
 666
 667 static int openocd_jim_vfprintf(void *cookie, const char *fmt, va_list ap)
 668 {
 669         char *cp;
 670         int n;
 671
 672         n = -1;
 673         if (active_cmd_ctx) {
 674                 cp = alloc_vprintf(fmt, ap);
 675                 if (cp) {
 676                         command_output_text(active_cmd_ctx, cp);
 677                         n = strlen(cp);
 678                         free(cp);
 679                 }
 680         }
 681         return n;
 682 }
 683
 684 static int openocd_jim_fflush(void *cookie)
 685 {
 686         /* nothing to flush */
 687         return 0;
 688 }
 689
 690 static char* openocd_jim_fgets(char *s, int size, void *cookie)
 691 {
 692         /* not supported */
 693         errno = ENOTSUP;
 694         return NULL;
 695 }
 696
 697 void add_jim(const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help)
 698 {
 699         Jim_CreateCommand(interp, name, cmd, NULL, NULL);
 700
 701         /* FIX!!! it would be prettier to invoke add_help_text...
 702         accumulate help text in Tcl helptext list.  */
 703     Jim_Obj *helptext=Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
 704         Jim_Obj *cmd_entry=Jim_NewListObj(interp, NULL, 0);
 705
 706         Jim_Obj *cmd_list=Jim_NewListObj(interp, NULL, 0);
 707         Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, name, -1));
 708
 709         Jim_ListAppendElement(interp, cmd_entry, cmd_list);
 710         Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
 711         Jim_ListAppendElement(interp, helptext, cmd_entry);
 712 }
 713
 714 extern char binary_startup_tcl_start;
 715 extern char binary_startup_tcl_size;
 716
 717 void initJim(void)
 718 {
 719         char *script;
 720         int script_len;
 721
 722         Jim_CreateCommand(interp, "openocd", Jim_Command_openocd, NULL, NULL);
 723         Jim_CreateCommand(interp, "openocd_throw", Jim_Command_openocd_throw, NULL, NULL);
 724         Jim_CreateCommand(interp, "find", Jim_Command_find, NULL, NULL);
 725         Jim_CreateCommand(interp, "echo", Jim_Command_echo, NULL, NULL);
 726         Jim_CreateCommand(interp, "mem2array", Jim_Command_mem2array, NULL, NULL );
 727         Jim_CreateCommand(interp, "array2mem", Jim_Command_array2mem, NULL, NULL );
 728
 729         /* Set Jim's STDIO */
 730         interp->cookie_stdin = NULL;
 731         interp->cookie_stdout = NULL;
 732         interp->cookie_stderr = NULL;
 733         interp->cb_fwrite = openocd_jim_fwrite;
 734         interp->cb_fread = openocd_jim_fread ;
 735         interp->cb_vfprintf = openocd_jim_vfprintf;
 736         interp->cb_fflush = openocd_jim_fflush;
 737         interp->cb_fgets = openocd_jim_fgets;
 738
 739         add_default_dirs();
 740
 741         script_len = (int)&binary_startup_tcl_size;
 742         script = malloc(script_len + sizeof(char));
 743         memcpy(script, &binary_startup_tcl_start, script_len);
 744
 745         /* null terminate */
 746         script[script_len] = 0;
 747
 748         if (Jim_Eval(interp, script)==JIM_ERR)
 749         {
 750                 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD compile time)");
 751                 Jim_PrintErrorMessage(interp);
 752                 exit(-1);
 753         }
 754
 755         free(script);
 756 }
 757
 758 int handle_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 759 {
 760         if (argc != 1)
 761                 return ERROR_COMMAND_SYNTAX_ERROR;
 762
 763         /* Run a tcl script file */
 764         return command_run_linef(cmd_ctx, "source [find {%s}]", args[0]);
 765 }
 766
 767 command_context_t *setup_command_handler(void)
 768 {
 769         command_context_t *cmd_ctx;
 770
 771         cmd_ctx = command_init();
 772
 773         register_command(cmd_ctx, NULL, "version", handle_version_command,
 774                                          COMMAND_EXEC, "show OpenOCD version");
 775         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG,
 776                         "deprecated - use \"init\" and \"reset\" at end of startup script instead");
 777
 778         /* register subsystem commands */
 779         server_register_commands(cmd_ctx);
 780         telnet_register_commands(cmd_ctx);
 781         gdb_register_commands(cmd_ctx);
 782         tcl_register_commands(cmd_ctx); /* tcl server commands */
 783         log_register_commands(cmd_ctx);
 784         jtag_register_commands(cmd_ctx);
 785         register_command(cmd_ctx, NULL, "script", handle_script_command, COMMAND_ANY, "execute commands from <file>");
 786         xsvf_register_commands(cmd_ctx);
 787         target_register_commands(cmd_ctx);
 788         flash_register_commands(cmd_ctx);
 789         nand_register_commands(cmd_ctx);
 790         pld_register_commands(cmd_ctx);
 791
 792         if (log_init(cmd_ctx) != ERROR_OK)
 793         {
 794                 exit(-1);
 795         }
 796         LOG_DEBUG("log init complete");
 797
 798         LOG_OUTPUT( OPENOCD_VERSION "\n" );
 799
 800
 801         register_command(cmd_ctx, NULL, "init", handle_init_command,
 802                                          COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");
 803
 804         return cmd_ctx;
 805 }
 806
 807 /* normally this is the main() function entry, but if OpenOCD is linked
 808  * into application, then this fn will not be invoked, but rather that
 809  * application will have it's own implementation of main(). */
 810 int openocd_main(int argc, char *argv[])
 811 {
 812 #ifdef JIM_EMBEDDED
 813         Jim_InitEmbedded();
 814         /* Create an interpreter */
 815         interp = Jim_CreateInterp();
 816         /* Add all the Jim core commands */
 817         Jim_RegisterCoreCommands(interp);
 818 #endif
 819
 820         initJim();
 821
 822         /* initialize commandline interface */
 823         command_context_t *cmd_ctx;
 824         cmd_ctx=setup_command_handler();
 825
 826         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 827         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 828         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 829         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 830         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 831         LOG_OUTPUT( "$URL$\n");
 832         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 833         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 834         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 835         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 836         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 837
 838         command_context_t *cfg_cmd_ctx;
 839         cfg_cmd_ctx = copy_command_context(cmd_ctx);
 840         cfg_cmd_ctx->mode = COMMAND_CONFIG;
 841         command_set_output_handler(cfg_cmd_ctx, configuration_output_handler, NULL);
 842
 843         active_cmd_ctx=cfg_cmd_ctx;
 844
 845
 846         if (parse_cmdline_args(cfg_cmd_ctx, argc, argv) != ERROR_OK)
 847                 return EXIT_FAILURE;
 848
 849         if (parse_config_file(cfg_cmd_ctx) != ERROR_OK)
 850                 return EXIT_FAILURE;
 851
 852         active_cmd_ctx=cmd_ctx;
 853
 854         command_done(cfg_cmd_ctx);
 855
 856         if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
 857                 return EXIT_FAILURE;
 858
 859         if (daemon_startup)
 860                 command_run_line(cmd_ctx, "reset");
 861
 862         startLoop=1;
 863
 864         /* handle network connections */
 865         server_loop(cmd_ctx);
 866
 867         /* shut server down */
 868         server_quit();
 869
 870         unregister_all_commands(cmd_ctx);
 871
 872         /* free commandline interface */
 873         command_done(cmd_ctx);
 874
 875         return EXIT_SUCCESS;
 876 }