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   1 /***************************************************************************
   2  *   Copyright (C) 2007-2008 by Øyvind Harboe                              *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  18  ***************************************************************************/
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "log.h"
  25 #include "types.h"
  26 #include "jtag.h"
  27 #include "configuration.h"
  28 #include "xsvf.h"
  29 #include "target.h"
  30 #include "flash.h"
  31 #include "nand.h"
  32 #include "pld.h"
  33
  34 #include "command.h"
  35 #include "server.h"
  36 #include "telnet_server.h"
  37 #include "gdb_server.h"
  38
  39 #include <time_support.h>
  40 #include <sys/time.h>
  41 #include <sys/types.h>
  42 #include <strings.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <unistd.h>
  47 #include <errno.h>
  48
  49 #include <cyg/io/flash.h>
  50 #include <pkgconf/fs_jffs2.h>   // Address of JFFS2
  51 #include <network.h>
  52
  53 #include <fcntl.h>
  54 #include <sys/stat.h>
  55 #include <cyg/fileio/fileio.h>
  56 #include <dirent.h>
  57 #include <cyg/athttpd/http.h>
  58 #include <cyg/athttpd/socket.h>
  59 #include <cyg/athttpd/handler.h>
  60 #include <cyg/athttpd/cgi.h>
  61 #include <cyg/athttpd/forms.h>
  62 #include <cyg/discover/discover.h>
  63 #include <cyg/hal/hal_diag.h>
  64 #include <cyg/kernel/kapi.h>
  65 #include <cyg/io/serialio.h>
  66 #include <cyg/io/io.h>
  67 #include <netinet/tcp.h>
  68 #include "rom.h"
  69 #include <sys/ioctl.h>
  70 #include <sys/socket.h>
  71 #include <netinet/in.h>
  72 #include <net/if.h>
  73 #include <arpa/inet.h>
  74 #include <sys/types.h>
  75 #include <sys/socket.h>
  76 #include <netdb.h>
  77 #include <netinet/in.h>
  78 #include <unistd.h>
  79 #include <arpa/inet.h>
  80 #include <stdio.h>
  81 #include <ifaddrs.h>
  82 #include <string.h>
  83
  84
  85 #include <unistd.h>
  86 #include <stdio.h>
  87 #define MAX_IFS 64
  88 #if defined(CYGPKG_NET_FREEBSD_STACK)
  89 #include <tftp_support.h>
  90 /* posix compatibility broken*/
  91 struct tftpd_fileops fileops =
  92 {
  93         (int (*)(const char *, int))open,
  94         close,
  95         (int (*)(int, const void *, int))write,
  96         ( int (*)(int, void *, int))read
  97 };
  98
  99 #endif
 100
 101 #define ZYLIN_VERSION "1.47"
 102 #define ZYLIN_DATE __DATE__
 103 #define ZYLIN_TIME __TIME__
 104 /* hmmm....  we can't pick up the right # during build if we've checked this out
 105  * in Eclipse... arrggghh...*/
 106 #define ZYLIN_OPENOCD "$Revision$"
 107 #define ZYLIN_OPENOCD_VERSION "Zylin JTAG ZY1000 " ZYLIN_VERSION " " ZYLIN_DATE " " ZYLIN_TIME
 108 #define ZYLIN_CONFIG_DIR "/config/settings"
 109
 110 void diag_write(char *buf, int len)
 111 {
 112         int j;
 113         for (j = 0; j < len; j++)
 114         {
 115                 diag_printf("%c", buf[j]);
 116         }
 117 }
 118
 119 static bool serialLog = true;
 120 static bool writeLog = true;
 121
 122
 123 struct FastLoad
 124 {
 125         u32 address;
 126         u8 *data;
 127         int length;
 128
 129 };
 130
 131 static int fastload_num;
 132 static struct FastLoad *fastload;
 133
 134 static void free_fastload()
 135 {
 136         if (fastload!=NULL)
 137         {
 138                 int i;
 139                 for (i=0; i<fastload_num; i++)
 140                 {
 141                         if (fastload[i].data)
 142                                 free(fastload[i].data);
 143                 }
 144                 free(fastload);
 145                 fastload=NULL;
 146         }
 147 }
 148
 149
 150 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 151 {
 152         u8 *buffer;
 153         u32 buf_cnt;
 154         u32 image_size;
 155         u32 min_address=0;
 156         u32 max_address=0xffffffff;
 157         int i;
 158         int retval;
 159
 160         image_t image;
 161
 162         duration_t duration;
 163         char *duration_text;
 164
 165         if ((argc < 1)||(argc > 5))
 166         {
 167                 return ERROR_COMMAND_SYNTAX_ERROR;
 168         }
 169
 170         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
 171         if (argc >= 2)
 172         {
 173                 image.base_address_set = 1;
 174                 image.base_address = strtoul(args[1], NULL, 0);
 175         }
 176         else
 177         {
 178                 image.base_address_set = 0;
 179         }
 180
 181
 182         image.start_address_set = 0;
 183
 184         if (argc>=4)
 185         {
 186                 min_address=strtoul(args[3], NULL, 0);
 187         }
 188         if (argc>=5)
 189         {
 190                 max_address=strtoul(args[4], NULL, 0)+min_address;
 191         }
 192
 193         if (min_address>max_address)
 194         {
 195                 return ERROR_COMMAND_SYNTAX_ERROR;
 196         }
 197
 198         duration_start_measure(&duration);
 199
 200         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
 201         {
 202                 return ERROR_OK;
 203         }
 204
 205         image_size = 0x0;
 206         retval = ERROR_OK;
 207         fastload_num=image.num_sections;
 208         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
 209         if (fastload==NULL)
 210         {
 211                 image_close(&image);
 212                 return ERROR_FAIL;
 213         }
 214         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
 215         for (i = 0; i < image.num_sections; i++)
 216         {
 217                 buffer = malloc(image.sections[i].size);
 218                 if (buffer == NULL)
 219                 {
 220                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
 221                         break;
 222                 }
 223
 224                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
 225                 {
 226                         free(buffer);
 227                         break;
 228                 }
 229
 230                 u32 offset=0;
 231                 u32 length=buf_cnt;
 232
 233
 234                 /* DANGER!!! beware of unsigned comparision here!!! */
 235
 236                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
 237                                 (image.sections[i].base_address<max_address))
 238                 {
 239                         if (image.sections[i].base_address<min_address)
 240                         {
 241                                 /* clip addresses below */
 242                                 offset+=min_address-image.sections[i].base_address;
 243                                 length-=offset;
 244                         }
 245
 246                         if (image.sections[i].base_address+buf_cnt>max_address)
 247                         {
 248                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
 249                         }
 250
 251                         fastload[i].address=image.sections[i].base_address+offset;
 252                         fastload[i].data=malloc(length);
 253                         if (fastload[i].data==NULL)
 254                         {
 255                                 free(buffer);
 256                                 break;
 257                         }
 258                         memcpy(fastload[i].data, buffer+offset, length);
 259                         fastload[i].length=length;
 260
 261                         image_size += length;
 262                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
 263                 }
 264
 265                 free(buffer);
 266         }
 267
 268         duration_stop_measure(&duration, &duration_text);
 269         if (retval==ERROR_OK)
 270         {
 271                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
 272                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
 273         }
 274         free(duration_text);
 275
 276         image_close(&image);
 277
 278         if (retval!=ERROR_OK)
 279         {
 280                 free_fastload();
 281         }
 282
 283         return retval;
 284 }
 285
 286 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 287 {
 288         if (argc>0)
 289                 return ERROR_COMMAND_SYNTAX_ERROR;
 290         if (fastload==NULL)
 291         {
 292                 LOG_ERROR("No image in memory");
 293                 return ERROR_FAIL;
 294         }
 295         int i;
 296         int ms=timeval_ms();
 297         int size=0;
 298         for (i=0; i<fastload_num;i++)
 299         {
 300                 int retval;
 301                 target_t *target = get_current_target(cmd_ctx);
 302                 if ((retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data)) != ERROR_OK)
 303                 {
 304                         return retval;
 305                 }
 306                 size+=fastload[i].length;
 307         }
 308         int after=timeval_ms();
 309         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
 310         return ERROR_OK;
 311 }
 312
 313
 314 /* Give TELNET a way to find out what version this is */
 315 int handle_zy1000_version_command(struct command_context_s *cmd_ctx, char *cmd,
 316                 char **args, int argc)
 317 {
 318         if (argc > 1)
 319         {
 320                 return ERROR_COMMAND_SYNTAX_ERROR;
 321         }
 322         if (argc == 0)
 323         {
 324                 command_print(cmd_ctx, ZYLIN_OPENOCD_VERSION);
 325         } else if (strcmp("openocd", args[0])==0)
 326         {
 327                 int revision;
 328                 revision=atol(ZYLIN_OPENOCD+strlen("XRevision: "));
 329                 command_print(cmd_ctx, "%d", revision);
 330         } else if (strcmp("zy1000", args[0])==0)
 331         {
 332                 command_print(cmd_ctx, "%s", ZYLIN_VERSION);
 333         } else if (strcmp("date", args[0])==0)
 334         {
 335                 command_print(cmd_ctx, "%s", ZYLIN_DATE);
 336         } else
 337         {
 338                 return ERROR_COMMAND_SYNTAX_ERROR;
 339         }
 340
 341         return ERROR_OK;
 342 }
 343
 344 extern flash_driver_t *flash_drivers[];
 345 extern target_type_t *target_types[];
 346
 347 #ifdef CYGPKG_PROFILE_GPROF
 348 #include <cyg/profile/profile.h>
 349
 350 extern char _stext, _etext; // Defined by the linker
 351
 352 void start_profile(void)
 353 {
 354         // This starts up the system-wide profiling, gathering
 355         // profile information on all of the code, with a 16 byte
 356         // "bucket" size, at a rate of 100us/profile hit.
 357         // Note: a bucket size of 16 will give pretty good function
 358         //       resolution.  Much smaller and the buffer becomes
 359         //       much too large for very little gain.
 360         // Note: a timer period of 100us is also a reasonable
 361         //       compromise.  Any smaller and the overhead of
 362         //       handling the timter (profile) interrupt could
 363         //       swamp the system.  A fast processor might get
 364         //       by with a smaller value, but a slow one could
 365         //       even be swamped by this value.  If the value is
 366         //       too large, the usefulness of the profile is reduced.
 367
 368         // no more interrupts than 1/10ms.
 369         //    profile_on(&_stext, &_etext, 16, 10000); // DRAM
 370         //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
 371         profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
 372 }
 373 #endif
 374
 375 // launch GDB server if a config file exists
 376 bool zylinjtag_parse_config_file(struct command_context_s *cmd_ctx, const char *config_file_name)
 377 {
 378         bool foundFile = false;
 379         FILE *config_file = NULL;
 380         command_print(cmd_ctx, "executing config file %s", config_file_name);
 381         config_file = fopen(config_file_name, "r");
 382         if (config_file)
 383         {
 384                 fclose(config_file);
 385                 int retval;
 386                 retval = command_run_linef(cmd_ctx, "script %s", config_file_name);
 387                 if (retval == ERROR_OK)
 388                 {
 389                         foundFile = true;
 390                 }
 391                 else
 392                 {
 393                         command_print(cmd_ctx, "Failed executing %s %d", config_file_name, retval);
 394                 }
 395         }
 396         else
 397         {
 398                 command_print(cmd_ctx, "No %s found", config_file_name);
 399         }
 400
 401         return foundFile;
 402 }
 403
 404 extern int eth0_up;
 405 static FILE *log;
 406
 407 static char reboot_stack[2048];
 408
 409
 410 static void
 411 zylinjtag_reboot(cyg_addrword_t data)
 412 {
 413         serialLog = true;
 414         diag_printf("Rebooting in 100 ticks..\n");
 415         cyg_thread_delay(100);
 416         diag_printf("Unmounting /config..\n");
 417         umount("/config");
 418         diag_printf("Rebooting..\n");
 419         HAL_PLATFORM_RESET();
 420 }
 421 static cyg_thread zylinjtag_thread_object;
 422 static cyg_handle_t zylinjtag_thread_handle;
 423
 424 void reboot(void)
 425 {
 426     cyg_thread_create(1,
 427                       zylinjtag_reboot,
 428                       (cyg_addrword_t)0,
 429                       "reboot Thread",
 430                       (void *)reboot_stack,
 431                       sizeof(reboot_stack),
 432                       &zylinjtag_thread_handle,
 433                       &zylinjtag_thread_object);
 434         cyg_thread_resume(zylinjtag_thread_handle);
 435 }
 436
 437 int configuration_output_handler(struct command_context_s *context, const char* line)
 438 {
 439         diag_printf("%s", line);
 440
 441         return ERROR_OK;
 442 }
 443
 444 int zy1000_configuration_output_handler_log(struct command_context_s *context, const char* line)
 445 {
 446         LOG_USER_N("%s", line);
 447
 448         return ERROR_OK;
 449 }
 450
 451 int handle_rm_command(struct command_context_s *cmd_ctx, char *cmd,
 452                 char **args, int argc)
 453 {
 454         if (argc != 1)
 455         {
 456                 command_print(cmd_ctx, "rm <filename>");
 457                 return ERROR_INVALID_ARGUMENTS;
 458         }
 459
 460         if (unlink(args[0]) != 0)
 461         {
 462                 command_print(cmd_ctx, "failed: %d", errno);
 463         }
 464
 465         return ERROR_OK;
 466 }
 467
 468 int loadFile(const char *fileName, void **data, int *len);
 469
 470 int handle_cat_command(struct command_context_s *cmd_ctx, char *cmd,
 471                 char **args, int argc)
 472 {
 473         if (argc != 1)
 474         {
 475                 command_print(cmd_ctx, "cat <filename>");
 476                 return ERROR_INVALID_ARGUMENTS;
 477         }
 478
 479         // NOTE!!! we only have line printing capability so we print the entire file as a single line.
 480         void *data;
 481         int len;
 482
 483         int retval = loadFile(args[0], &data, &len);
 484         if (retval == ERROR_OK)
 485         {
 486                 command_print(cmd_ctx, "%s", data);
 487                 free(data);
 488         }
 489         else
 490         {
 491                 command_print(cmd_ctx, "%s not found %d", args[0], retval);
 492         }
 493
 494         return ERROR_OK;
 495 }
 496 int handle_trunc_command(struct command_context_s *cmd_ctx, char *cmd,
 497                 char **args, int argc)
 498 {
 499         if (argc != 1)
 500         {
 501                 command_print(cmd_ctx, "trunc <filename>");
 502                 return ERROR_INVALID_ARGUMENTS;
 503         }
 504
 505         FILE *config_file = NULL;
 506         config_file = fopen(args[0], "w");
 507         if (config_file != NULL)
 508                 fclose(config_file);
 509
 510         return ERROR_OK;
 511 }
 512
 513
 514 int handle_meminfo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 515 {
 516         static int prev = 0;
 517         struct mallinfo info;
 518
 519         if (argc != 0)
 520         {
 521                 command_print(cmd_ctx, "meminfo");
 522                 return ERROR_INVALID_ARGUMENTS;
 523         }
 524
 525         info = mallinfo();
 526
 527         if (prev > 0)
 528         {
 529                 command_print(cmd_ctx, "Diff:            %d", prev - info.fordblks);
 530         }
 531         prev = info.fordblks;
 532
 533         command_print(cmd_ctx, "Available ram:   %d", info.fordblks );
 534
 535         return ERROR_OK;
 536 }
 537
 538 static bool savePower;
 539
 540 static void setPower(bool power)
 541 {
 542         savePower = power;
 543         if (power)
 544         {
 545                 HAL_WRITE_UINT32(0x08000014, 0x8);
 546         } else
 547         {
 548                 HAL_WRITE_UINT32(0x08000010, 0x8);
 549         }
 550 }
 551
 552 int handle_power_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 553 {
 554         if (argc > 1)
 555         {
 556                 return ERROR_INVALID_ARGUMENTS;
 557         }
 558
 559         if (argc == 1)
 560         {
 561                 if (strcmp(args[0], "on") == 0)
 562                 {
 563                         setPower(1);
 564                 }
 565                 else if (strcmp(args[0], "off") == 0)
 566                 {
 567                         setPower(0);
 568                 } else
 569                 {
 570                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
 571                         return ERROR_INVALID_ARGUMENTS;
 572                 }
 573         }
 574
 575         command_print(cmd_ctx, "Target power %s", savePower ? "on" : "off");
 576
 577         return ERROR_OK;
 578 }
 579
 580 int handle_append_command(struct command_context_s *cmd_ctx, char *cmd,
 581                 char **args, int argc)
 582 {
 583         if (argc < 1)
 584         {
 585                 command_print(cmd_ctx,
 586                                 "append <filename> [<string1>, [<string2>, ...]]");
 587                 return ERROR_INVALID_ARGUMENTS;
 588         }
 589
 590         FILE *config_file = NULL;
 591         config_file = fopen(args[0], "a");
 592         if (config_file != NULL)
 593         {
 594                 int i;
 595                 fseek(config_file, 0, SEEK_END);
 596
 597                 for (i = 1; i < argc; i++)
 598                 {
 599                         fwrite(args[i], strlen(args[i]), 1, config_file);
 600                         if (i != argc - 1)
 601                         {
 602                                 fwrite(" ", 1, 1, config_file);
 603                         }
 604                 }
 605                 fwrite("\n", 1, 1, config_file);
 606                 fclose(config_file);
 607         }
 608
 609         return ERROR_OK;
 610 }
 611
 612 extern int telnet_socket;
 613
 614 int readMore(int fd, void *data, int length)
 615 {
 616         /* used in select() */
 617         fd_set read_fds;
 618
 619         /* monitor sockets for acitvity */
 620         int fd_max = 1;
 621         FD_ZERO(&read_fds);
 622         /* listen for new connections */
 623         FD_SET(fd, &read_fds);
 624
 625         // Maximum 5 seconds.
 626         struct timeval tv;
 627         tv.tv_sec = 5;
 628         tv.tv_usec = 0;
 629
 630         int retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
 631         if (retval == 0)
 632         {
 633                 diag_printf("Timed out waiting for binary payload\n");
 634                 return -1;
 635         }
 636         if (retval != 1)
 637                 return -1;
 638
 639         return read_socket(fd, data, length);
 640 }
 641
 642 int readAll(int fd, void *data, int length)
 643 {
 644         int pos = 0;
 645         for (;;)
 646         {
 647                 int actual = readMore(fd, ((char *) data) + pos, length - pos);
 648                 //              diag_printf("Read %d bytes(pos=%d, length=%d)\n", actual, pos, length);
 649                 if (actual <= 0)
 650                         return -1;
 651                 pos += actual;
 652                 if (pos == length)
 653                         break;
 654         }
 655         return length;
 656 }
 657
 658 int handle_peek_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 659 {
 660         cyg_uint32 value;
 661         if (argc != 1)
 662         {
 663                 return ERROR_INVALID_ARGUMENTS;
 664         }
 665         HAL_READ_UINT32(strtoul(args[0], NULL, 0), value);
 666         command_print(cmd_ctx, "0x%x : 0x%x", strtoul(args[0], NULL, 0), value);
 667         return ERROR_OK;
 668 }
 669
 670 int handle_poke_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 671 {
 672         if (argc != 2)
 673         {
 674                 return ERROR_INVALID_ARGUMENTS;
 675         }
 676         HAL_WRITE_UINT32(strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0));
 677         return ERROR_OK;
 678 }
 679
 680 int handle_cp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 681 {
 682         if (argc != 2)
 683         {
 684                 return ERROR_INVALID_ARGUMENTS;
 685         }
 686
 687         // NOTE!!! we only have line printing capability so we print the entire file as a single line.
 688         void *data;
 689         int len;
 690
 691         int retval = loadFile(args[0], &data, &len);
 692         if (retval != ERROR_OK)
 693                 return retval;
 694
 695         FILE *f = fopen(args[1], "wb");
 696         if (f == NULL)
 697                 retval = ERROR_INVALID_ARGUMENTS;
 698
 699         int pos = 0;
 700         for (;;)
 701         {
 702                 int chunk = len - pos;
 703                 static const int maxChunk = 512 * 1024; // ~1/sec
 704                 if (chunk > maxChunk)
 705                 {
 706                         chunk = maxChunk;
 707                 }
 708
 709                 if ((retval==ERROR_OK)&&(fwrite(((char *)data)+pos, 1, chunk, f)!=chunk))
 710                         retval = ERROR_INVALID_ARGUMENTS;
 711
 712                 if (retval != ERROR_OK)
 713                 {
 714                         break;
 715                 }
 716
 717                 command_print(cmd_ctx, "%d", len - pos);
 718
 719                 pos += chunk;
 720
 721                 if (pos == len)
 722                         break;
 723         }
 724
 725         if (retval == ERROR_OK)
 726         {
 727                 command_print(cmd_ctx, "Copied %s to %s", args[0], args[1]);
 728         } else
 729         {
 730                 command_print(cmd_ctx, "Failed: %d", retval);
 731         }
 732
 733         if (data != NULL)
 734                 free(data);
 735         if (f != NULL)
 736                 fclose(f);
 737
 738         if (retval != ERROR_OK)
 739                 unlink(args[1]);
 740
 741         return retval;
 742 }
 743
 744 #ifdef CYGPKG_PROFILE_GPROF
 745 extern void start_profile();
 746
 747 int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 748 {
 749         command_print(cmd_ctx, "Profiling started");
 750         start_profile();
 751         return ERROR_OK;
 752 }
 753
 754 #endif
 755
 756 externC void phi_init_all_network_interfaces();
 757
 758 command_context_t *cmd_ctx;
 759
 760 static bool webRunning = false;
 761
 762 void keep_webserver()
 763 {
 764         // Target initialisation is only attempted at startup, so we sleep forever and
 765         // let the http server bail us out(i.e. get config files set up).
 766         diag_printf("OpenOCD has invoked exit().\n"
 767                 "Use web server to correct any configuration settings and reboot.\n");
 768         if (!webRunning)
 769                 reboot();
 770
 771         // exit() will terminate the current thread and we we'll then sleep eternally or
 772         // we'll have a reboot scheduled.
 773 }
 774
 775 extern void printDccChar(char c);
 776
 777 static char logBuffer[128 * 1024];
 778 static const int logSize = sizeof(logBuffer);
 779 int writePtr = 0;
 780 int logCount = 0;
 781
 782 void _zylinjtag_diag_write_char(char c, void **param)
 783 {
 784         if (writeLog)
 785         {
 786                 logBuffer[writePtr] = c;
 787                 writePtr = (writePtr + 1) % logSize;
 788                 logCount++;
 789         }
 790         if (serialLog)
 791         {
 792                 if (c == '\n')
 793                 {
 794                         HAL_DIAG_WRITE_CHAR('\r');
 795                 }
 796                 HAL_DIAG_WRITE_CHAR(c);
 797         }
 798
 799         printDccChar(c);
 800 }
 801
 802 #define SHOW_RESULT(a, b) diag_printf(#a " failed %d\n", (int)b)
 803
 804 #define IOSIZE 512
 805 static void copyfile(char *name2, char *name1)
 806 {
 807
 808         int err;
 809         char buf[IOSIZE];
 810         int fd1, fd2;
 811         ssize_t done, wrote;
 812
 813         fd1 = open(name1, O_WRONLY | O_CREAT);
 814         if (fd1 < 0)
 815                 SHOW_RESULT( open, fd1 );
 816
 817         fd2 = open(name2, O_RDONLY);
 818         if (fd2 < 0)
 819                 SHOW_RESULT( open, fd2 );
 820
 821         for (;;)
 822         {
 823                 done = read(fd2, buf, IOSIZE );
 824                 if (done < 0)
 825                 {
 826                         SHOW_RESULT( read, done );
 827                         break;
 828                 }
 829
 830         if( done == 0 ) break;
 831
 832                 wrote = write(fd1, buf, done);
 833         if( wrote != done ) SHOW_RESULT( write, wrote );
 834
 835         if( wrote != done ) break;
 836         }
 837
 838         err = close(fd1);
 839     if( err < 0 ) SHOW_RESULT( close, err );
 840
 841         err = close(fd2);
 842     if( err < 0 ) SHOW_RESULT( close, err );
 843
 844 }
 845 static void copydir(char *name, char *destdir)
 846 {
 847         int err;
 848         DIR *dirp;
 849
 850         dirp = opendir(destdir);
 851         if (dirp==NULL)
 852         {
 853                 mkdir(destdir, 0777);
 854         } else
 855         {
 856                 err = closedir(dirp);
 857         }
 858
 859         dirp = opendir(name);
 860     if( dirp == NULL ) SHOW_RESULT( opendir, -1 );
 861
 862         for (;;)
 863         {
 864                 struct dirent *entry = readdir(dirp);
 865
 866                 if (entry == NULL)
 867                         break;
 868
 869                 if (strcmp(entry->d_name, ".") == 0)
 870                         continue;
 871                 if (strcmp(entry->d_name, "..") == 0)
 872                         continue;
 873
 874                 bool isDir = false;
 875                 struct stat buf;
 876                 char fullPath[PATH_MAX];
 877                 strncpy(fullPath, name, PATH_MAX);
 878                 strcat(fullPath, "/");
 879                 strncat(fullPath, entry->d_name, PATH_MAX - strlen(fullPath));
 880
 881                 if (stat(fullPath, &buf) == -1)
 882                 {
 883                         diag_printf("unable to read status from %s", fullPath);
 884                         break;
 885                 }
 886                 isDir = S_ISDIR(buf.st_mode) != 0;
 887
 888                 if (isDir)
 889                         continue;
 890
 891                 //        diag_printf("<INFO>: entry %14s",entry->d_name);
 892                 char fullname[PATH_MAX];
 893                 char fullname2[PATH_MAX];
 894
 895                 strcpy(fullname, name);
 896                 strcat(fullname, "/");
 897                 strcat(fullname, entry->d_name);
 898
 899                 strcpy(fullname2, destdir);
 900                 strcat(fullname2, "/");
 901                 strcat(fullname2, entry->d_name);
 902                 //        diag_printf("from %s to %s\n", fullname, fullname2);
 903                 copyfile(fullname, fullname2);
 904
 905                 //       diag_printf("\n");
 906         }
 907
 908         err = closedir(dirp);
 909     if( err < 0 ) SHOW_RESULT( stat, err );
 910 }
 911
 912 #if 0
 913 MTAB_ENTRY( romfs_mte1,
 914                 "/rom",
 915                 "romfs",
 916                 "",
 917                 (CYG_ADDRWORD) &filedata[0] );
 918 #endif
 919
 920 void openocd_sleep_prelude()
 921 {
 922         cyg_mutex_unlock(&httpstate.jim_lock);
 923 }
 924
 925 void openocd_sleep_postlude()
 926 {
 927         cyg_mutex_lock(&httpstate.jim_lock);
 928 }
 929
 930 static int
 931 zylinjtag_Jim_Command_rm(Jim_Interp *interp,
 932                                    int argc,
 933                 Jim_Obj * const *argv)
 934 {
 935         int del;
 936         if (argc != 2)
 937         {
 938                 Jim_WrongNumArgs(interp, 1, argv, "rm ?dirorfile?");
 939                 return JIM_ERR;
 940         }
 941
 942         del = 0;
 943         if (unlink(Jim_GetString(argv[1], NULL)) == 0)
 944                 del = 1;
 945         if (rmdir(Jim_GetString(argv[1], NULL)) == 0)
 946                 del = 1;
 947
 948         return del ? JIM_OK : JIM_ERR;
 949 }
 950
 951 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
 952                 Jim_Obj * const *argv)
 953 {
 954         cyg_handle_t thread = 0;
 955         cyg_uint16 id = 0;
 956         Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
 957
 958         /* Loop over the threads, and generate a table row for
 959          * each.
 960          */
 961         while (cyg_thread_get_next(&thread, &id))
 962         {
 963                 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
 964
 965                 cyg_thread_info info;
 966                 char *state_string;
 967
 968                 cyg_thread_get_info(thread, id, &info);
 969
 970                 if (info.name == NULL)
 971                         info.name = "<no name>";
 972
 973                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 974                                 info.name, strlen(info.name)));
 975
 976                 /* Translate the state into a string.
 977                  */
 978                 if (info.state == 0)
 979                         state_string = "RUN";
 980                 else if (info.state & 0x04)
 981                         state_string = "SUSP";
 982                 else
 983                         switch (info.state & 0x1b)
 984                         {
 985                         case 0x01:
 986                                 state_string = "SLEEP";
 987                                 break;
 988                         case 0x02:
 989                                 state_string = "CNTSLEEP";
 990                                 break;
 991                         case 0x08:
 992                                 state_string = "CREATE";
 993                                 break;
 994                         case 0x10:
 995                                 state_string = "EXIT";
 996                                 break;
 997                         default:
 998                                 state_string = "????";
 999                                 break;
1000                         }
1001
1002                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
1003                                 state_string, strlen(state_string)));
1004
1005                 Jim_ListAppendElement   (interp, threadObj, Jim_NewIntObj(interp, id));
1006                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, info.set_pri));
1007                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, info.cur_pri));
1008
1009                 Jim_ListAppendElement(interp, threads, threadObj);
1010         }
1011         Jim_SetResult( interp, threads);
1012
1013         return JIM_OK;
1014 }
1015
1016
1017 static int
1018 zylinjtag_Jim_Command_ls(Jim_Interp *interp,
1019                                    int argc,
1020                 Jim_Obj * const *argv)
1021 {
1022         if (argc != 2)
1023         {
1024                 Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
1025                 return JIM_ERR;
1026         }
1027
1028         char *name = (char*) Jim_GetString(argv[1], NULL);
1029
1030         DIR *dirp = NULL;
1031         dirp = opendir(name);
1032         if (dirp == NULL)
1033         {
1034                 return JIM_ERR;
1035         }
1036         Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0);
1037
1038         for (;;)
1039         {
1040                 struct dirent *entry = NULL;
1041                 entry = readdir(dirp);
1042                 if (entry == NULL)
1043                         break;
1044
1045                 if ((strcmp(".", entry->d_name)==0)||(strcmp("..", entry->d_name)==0))
1046                         continue;
1047
1048         Jim_ListAppendElement(interp, objPtr, Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name)));
1049         }
1050         closedir(dirp);
1051
1052         Jim_SetResult(interp, objPtr);
1053
1054         return JIM_OK;
1055 }
1056
1057
1058 static int
1059 zylinjtag_Jim_Command_getmem(Jim_Interp *interp,
1060                                    int argc,
1061                 Jim_Obj * const *argv)
1062 {
1063         if (argc != 3)
1064         {
1065                 Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
1066                 return JIM_ERR;
1067         }
1068
1069         long address;
1070         long length;
1071         if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
1072                 return JIM_ERR;
1073         if (Jim_GetLong(interp, argv[2], &length) != JIM_OK)
1074                 return JIM_ERR;
1075
1076         if (length < 0 && length > (4096 * 1024))
1077         {
1078                 Jim_WrongNumArgs(interp, 1, argv, "getmem ?dir?");
1079                 return JIM_ERR;
1080         }
1081
1082         void *mem = malloc(length);
1083         if (mem == NULL)
1084                 return JIM_ERR;
1085
1086         target_t *target = get_current_target(cmd_ctx);
1087
1088         int retval;
1089         int size = 1;
1090         int count = length;
1091         if ((address % 4 == 0) && (count % 4 == 0))
1092         {
1093                 size = 4;
1094                 count /= 4;
1095         }
1096
1097         if ((retval  = target->type->read_memory(target, address, size, count, mem)) != ERROR_OK)
1098         {
1099                 free(mem);
1100                 return JIM_ERR;
1101         }
1102
1103         Jim_Obj *objPtr = Jim_NewStringObj(interp, mem, length);
1104         Jim_SetResult(interp, objPtr);
1105
1106         free(mem);
1107
1108         return JIM_OK;
1109 }
1110
1111 static int
1112 zylinjtag_Jim_Command_peek(Jim_Interp *interp,
1113                                    int argc,
1114                 Jim_Obj * const *argv)
1115 {
1116         if (argc != 2)
1117         {
1118                 Jim_WrongNumArgs(interp, 1, argv, "peek ?address?");
1119                 return JIM_ERR;
1120         }
1121
1122         long address;
1123         if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
1124                 return JIM_ERR;
1125
1126         int value = *((volatile int *) address);
1127
1128         Jim_SetResult(interp, Jim_NewIntObj(interp, value));
1129
1130         return JIM_OK;
1131 }
1132
1133 static int
1134 zylinjtag_Jim_Command_poke(Jim_Interp *interp,
1135                                    int argc,
1136                 Jim_Obj * const *argv)
1137 {
1138         if (argc != 3)
1139         {
1140                 Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?");
1141                 return JIM_ERR;
1142         }
1143
1144         long address;
1145         if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
1146                 return JIM_ERR;
1147         long value;
1148         if (Jim_GetLong(interp, argv[2], &value) != JIM_OK)
1149                 return JIM_ERR;
1150
1151         *((volatile int *) address) = value;
1152
1153         return JIM_OK;
1154 }
1155
1156
1157
1158 static int
1159 zylinjtag_Jim_Command_flash(Jim_Interp *interp,
1160                                    int argc,
1161                 Jim_Obj * const *argv)
1162 {
1163         int retval;
1164         u32 base = 0;
1165         flash_bank_t *t = get_flash_bank_by_num_noprobe(0);
1166         if (t != NULL)
1167         {
1168                 base = t->base;
1169                 retval = JIM_OK;
1170     } else
1171         {
1172                 retval = JIM_ERR;
1173         }
1174
1175         if (retval == JIM_OK)
1176         {
1177                 Jim_SetResult(interp, Jim_NewIntObj(interp, base));
1178         }
1179
1180         return retval;
1181 }
1182
1183
1184
1185
1186
1187 static int
1188 zylinjtag_Jim_Command_log(Jim_Interp *interp,
1189                                    int argc,
1190                 Jim_Obj * const *argv)
1191 {
1192         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
1193
1194         if (logCount >= logSize)
1195         {
1196         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer+logCount%logSize, logSize-logCount%logSize);
1197         }
1198         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
1199
1200         Jim_SetResult(interp, tclOutput);
1201         return JIM_OK;
1202 }
1203
1204 static int
1205 zylinjtag_Jim_Command_reboot(Jim_Interp *interp,
1206                                    int argc,
1207                 Jim_Obj * const *argv)
1208 {
1209         reboot();
1210         return JIM_OK;
1211 }
1212
1213 static int
1214 zylinjtag_Jim_Command_mac(Jim_Interp *interp,
1215                                    int argc,
1216                 Jim_Obj * const *argv)
1217 {
1218         int s;
1219         struct ifreq ifr;
1220         s = socket(AF_INET, SOCK_DGRAM, 0);
1221         if (s >= 0)
1222         {
1223                 strcpy(ifr.ifr_name, "eth0");
1224                 int res;
1225                 res = ioctl(s, SIOCGIFHWADDR, &ifr);
1226                 close(s);
1227
1228                 if (res < 0)
1229                 {
1230                         return JIM_OK;
1231                 }
1232         }
1233
1234         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
1235
1236         char hwaddr[512];
1237         sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
1238                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
1239                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
1240                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
1241                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
1242                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
1243                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
1244
1245         Jim_AppendString(httpstate.jim_interp, tclOutput, hwaddr, strlen(hwaddr));
1246
1247         Jim_SetResult(interp, tclOutput);
1248
1249         return JIM_OK;
1250 }
1251
1252 static int
1253 zylinjtag_Jim_Command_ip(Jim_Interp *interp,
1254                                    int argc,
1255                 Jim_Obj * const *argv)
1256 {
1257         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
1258
1259         struct ifaddrs *ifa = NULL, *ifp = NULL;
1260
1261         if (getifaddrs(&ifp) < 0)
1262         {
1263                 return JIM_ERR;
1264         }
1265
1266         for (ifa = ifp; ifa; ifa = ifa->ifa_next)
1267         {
1268                 char ip[200];
1269                 socklen_t salen;
1270
1271                 if (ifa->ifa_addr->sa_family == AF_INET)
1272                         salen = sizeof(struct sockaddr_in);
1273                 else if (ifa->ifa_addr->sa_family == AF_INET6)
1274                         salen = sizeof(struct sockaddr_in6);
1275                 else
1276                         continue;
1277
1278                 if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
1279                                 NI_NUMERICHOST) < 0)
1280                 {
1281                         continue;
1282                 }
1283
1284                 Jim_AppendString(httpstate.jim_interp, tclOutput, ip, strlen(ip));
1285                 break;
1286
1287         }
1288
1289         freeifaddrs(ifp);
1290
1291         Jim_SetResult(interp, tclOutput);
1292
1293         return JIM_OK;
1294 }
1295
1296 extern Jim_Interp *interp;
1297
1298 static void zylinjtag_startNetwork()
1299 {
1300         // Bring TCP/IP up immediately before we're ready to accept commands.
1301         //
1302         // That is as soon as a PING responds, we're accepting telnet sessions.
1303 #if defined(CYGPKG_NET_FREEBSD_STACK)
1304         phi_init_all_network_interfaces();
1305 #else
1306         lwip_init();
1307 #endif
1308         if (!eth0_up)
1309         {
1310                 diag_printf("Network not up and running\n");
1311                 exit(-1);
1312         }
1313 #if defined(CYGPKG_NET_FREEBSD_STACK)
1314         /*start TFTP*/
1315         tftpd_start(69, &fileops);
1316 #endif
1317
1318         cyg_httpd_init_tcl_interpreter();
1319
1320         interp = httpstate.jim_interp;
1321
1322     Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log, NULL, NULL);
1323     Jim_CreateCommand(httpstate.jim_interp, "reboot", zylinjtag_Jim_Command_reboot, NULL, NULL);
1324     Jim_CreateCommand(httpstate.jim_interp, "peek", zylinjtag_Jim_Command_peek, NULL, NULL);
1325     Jim_CreateCommand(httpstate.jim_interp, "zy1000_flash", zylinjtag_Jim_Command_flash, NULL, NULL);
1326     Jim_CreateCommand(httpstate.jim_interp, "poke", zylinjtag_Jim_Command_poke, NULL, NULL);
1327     Jim_CreateCommand(httpstate.jim_interp, "ls", zylinjtag_Jim_Command_ls, NULL, NULL);
1328     Jim_CreateCommand(httpstate.jim_interp, "threads", zylinjtag_Jim_Command_threads, NULL, NULL);
1329     Jim_CreateCommand(httpstate.jim_interp, "getmem", zylinjtag_Jim_Command_getmem, NULL, NULL);
1330     Jim_CreateCommand(httpstate.jim_interp, "mac", zylinjtag_Jim_Command_mac, NULL, NULL);
1331     Jim_CreateCommand(httpstate.jim_interp, "ip", zylinjtag_Jim_Command_ip, NULL, NULL);
1332     Jim_CreateCommand(httpstate.jim_interp, "rm", zylinjtag_Jim_Command_rm, NULL, NULL);
1333
1334         cyg_httpd_start();
1335
1336         webRunning = true;
1337
1338         diag_printf("Web server running\n");
1339
1340         discover_launch();
1341 }
1342
1343
1344
1345
1346
1347 static void
1348 print_exception_handler(cyg_addrword_t data, cyg_code_t exception, cyg_addrword_t info)
1349 {
1350         writeLog = false;
1351         serialLog = true;
1352         char *infoStr = "unknown";
1353         switch (exception)
1354         {
1355         case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
1356                 infoStr = "undefined instruction";
1357                 break;
1358         case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
1359                 infoStr = "software interrupt";
1360                 break;
1361         case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
1362                 infoStr = "abort prefetch";
1363                 break;
1364         case CYGNUM_HAL_VECTOR_ABORT_DATA:
1365                 infoStr = "abort data";
1366                 break;
1367         default:
1368                 break;
1369         }
1370
1371         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
1372
1373         diag_printf("Dumping log\n---\n");
1374         if (logCount >= logSize)
1375         {
1376                 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
1377         }
1378         diag_write(logBuffer, writePtr);
1379
1380         diag_printf("---\nLogdump complete.\n");
1381         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
1382         diag_printf("\n---\nRebooting\n");
1383         HAL_PLATFORM_RESET();
1384
1385 }
1386
1387 static void setHandler(cyg_code_t exception)
1388 {
1389         cyg_exception_handler_t *old_handler;
1390         cyg_addrword_t old_data;
1391
1392         cyg_exception_set_handler(exception,
1393         print_exception_handler,
1394         0,
1395         &old_handler,
1396         &old_data);
1397 }
1398
1399 static cyg_thread zylinjtag_uart_thread_object;
1400 static cyg_handle_t zylinjtag_uart_thread_handle;
1401 static char uart_stack[4096];
1402
1403 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
1404 static char backwardBuffer[1024];
1405
1406 static cyg_io_handle_t serial_handle;
1407
1408 void setNoDelay(int session, int flag)
1409 {
1410 #if 1
1411         // This decreases latency dramatically for e.g. GDB load which
1412         // does not have a sliding window protocol
1413         //
1414         // Can cause *lots* of TCP/IP packets to be sent and it would have
1415         // to be enabled/disabled on the fly to avoid the CPU being
1416         // overloaded...
1417         setsockopt(session, /* socket affected */
1418         IPPROTO_TCP, /* set option at TCP level */
1419         TCP_NODELAY, /* name of option */
1420         (char *) &flag, /* the cast is historical
1421          cruft */
1422         sizeof(int)); /* length of option value */
1423 #endif
1424 }
1425
1426 struct
1427 {
1428         int req;
1429         int actual;
1430         int req2;
1431         int actual2;
1432 } tcpipSent[512 * 1024];
1433 int cur;
1434
1435 static void
1436 zylinjtag_uart(cyg_addrword_t data)
1437 {
1438         int so_reuseaddr_option = 1;
1439
1440         int fd;
1441         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
1442         {
1443                 LOG_ERROR("error creating socket: %s", strerror(errno));
1444                 exit(-1);
1445         }
1446
1447         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
1448
1449         struct sockaddr_in sin;
1450         unsigned int address_size;
1451         address_size = sizeof(sin);
1452         memset(&sin, 0, sizeof(sin));
1453         sin.sin_family = AF_INET;
1454         sin.sin_addr.s_addr = INADDR_ANY;
1455         sin.sin_port = htons(5555);
1456
1457         if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
1458         {
1459                 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
1460                 exit(-1);
1461         }
1462
1463         if (listen(fd, 1) == -1)
1464         {
1465                 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
1466                 exit(-1);
1467         }
1468         //      socket_nonblock(fd);
1469
1470
1471         for (;;)
1472         {
1473                 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
1474                 if (session < 0)
1475                 {
1476                         continue;
1477                 }
1478
1479                 setNoDelay(session, 1);
1480                 int oldopts = fcntl(session, F_GETFL, 0);
1481                 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
1482
1483                 int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
1484                 if (serHandle < 0)
1485                 {
1486                         close(session);
1487                         continue;
1488                 }
1489
1490                 start_profile();
1491                 int actual = 0;
1492                 int actual2 = 0;
1493                 int pos, pos2;
1494                 pos = 0;
1495                 pos2 = 0;
1496                 cur = 0;
1497                 for (;;)
1498                 {
1499                         fd_set write_fds;
1500                         fd_set read_fds;
1501                         FD_ZERO(&write_fds);
1502                         FD_ZERO(&read_fds);
1503                         int fd_max = -1;
1504                         FD_SET(session, &read_fds);
1505                         fd_max = session;
1506                         FD_SET(serHandle, &read_fds);
1507                         if (serHandle > fd_max)
1508                         {
1509                                 fd_max = serHandle;
1510                         }
1511                         /* Wait... */
1512
1513                         cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
1514                         if ((actual == 0) && (actual2 == 0))
1515                         {
1516                                 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
1517                                 if (retval <= 0)
1518                                 {
1519                                         break;
1520                                 }
1521                         }
1522
1523                         if (actual2 <= 0)
1524                         {
1525                                 memset(backwardBuffer, 's', sizeof(backwardBuffer));
1526                                 actual2=read(serHandle, backwardBuffer, sizeof(backwardBuffer));
1527                                 if (actual2 < 0)
1528                                 {
1529                                         if (errno != EAGAIN)
1530                                         {
1531                                                 goto closeSession;
1532                                         }
1533                                         actual2 = 0;
1534                                 }
1535                                 pos2 = 0;
1536                         }
1537
1538                         int x = actual2;
1539                         int y = 0;
1540                         if (actual2 > 0)
1541                         {
1542                                 int written = write(session, backwardBuffer + pos2, actual2);
1543                                 if (written <= 0)
1544                                         goto closeSession;
1545                                 actual2 -= written;
1546                                 pos2 += written;
1547                                 y = written;
1548                         }
1549
1550                         if (FD_ISSET(session, &read_fds)&&(sizeof(forwardBuffer)>actual))
1551                         {
1552                                 // NB! Here it is important that we empty the TCP/IP read buffer
1553                                 // to make transmission tick right
1554                                 memmove(forwardBuffer, forwardBuffer + pos, actual);
1555                                 pos = 0;
1556                                 int t;
1557                                 // this will block if there is no data at all
1558                                 t=read_socket(session, forwardBuffer+actual, sizeof(forwardBuffer)-actual);
1559                                 if (t <= 0)
1560                                 {
1561                                         goto closeSession;
1562                                 }
1563                                 actual += t;
1564                         }
1565
1566                         int x2 = actual;
1567                         int y2 = 0;
1568                         if (actual > 0)
1569                         {
1570                                 /* Do not put things into the serial buffer if it has something to send
1571                                  * as that can cause a single byte to be sent at the time.
1572                                  *
1573                                  *
1574                                  */
1575                                 int written = write(serHandle, forwardBuffer + pos, actual);
1576                                 if (written < 0)
1577                                 {
1578                                         if (errno != EAGAIN)
1579                                         {
1580                                                 goto closeSession;
1581                                         }
1582                                         // The serial buffer is full
1583                                         written = 0;
1584                                 } else
1585                                 {
1586                                         actual -= written;
1587                                         pos += written;
1588                                 }
1589                                 y2 = written;
1590                         }
1591                         if (cur < 1024)
1592                         {
1593                                 tcpipSent[cur].req = x;
1594                                 tcpipSent[cur].actual = y;
1595                                 tcpipSent[cur].req2 = x2;
1596                                 tcpipSent[cur].actual2 = y2;
1597                                 cur++;
1598                         }
1599
1600                 }
1601             closeSession:
1602             close(session);
1603                 close(serHandle);
1604
1605                 int i;
1606                 for (i = 0; i < 1024; i++)
1607                 {
1608                 diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual, tcpipSent[i].req2, tcpipSent[i].actual2);
1609
1610                 }
1611         }
1612         close(fd);
1613
1614 }
1615
1616 void startUart(void)
1617 {
1618     cyg_thread_create(1,
1619                       zylinjtag_uart,
1620                       (cyg_addrword_t)0,
1621                       "uart thread",
1622                       (void *)uart_stack,
1623                       sizeof(uart_stack),
1624                       &zylinjtag_uart_thread_handle,
1625                       &zylinjtag_uart_thread_object);
1626         cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
1627         cyg_thread_resume(zylinjtag_uart_thread_handle);
1628 }
1629
1630
1631
1632 int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1633 {
1634         if (argc != 1)
1635         {
1636                 command_print(cmd_ctx, "usage: uart <baudrate>");
1637                 return ERROR_INVALID_ARGUMENTS;
1638         }
1639
1640         int baud = atol(args[0]);
1641
1642         switch (baud)
1643         {
1644         case 9600:
1645                 baud = CYGNUM_SERIAL_BAUD_9600;
1646                 break;
1647         case 19200:
1648                 baud = CYGNUM_SERIAL_BAUD_19200;
1649                 break;
1650         case 38400:
1651                 baud = CYGNUM_SERIAL_BAUD_38400;
1652                 break;
1653         case 57600:
1654                 baud = CYGNUM_SERIAL_BAUD_57600;
1655                 break;
1656         case 115200:
1657                 baud = CYGNUM_SERIAL_BAUD_115200;
1658                 break;
1659         case 230400:
1660                 baud = CYGNUM_SERIAL_BAUD_230400;
1661                 break;
1662         default:
1663                 command_print(cmd_ctx, "unsupported baudrate");
1664                 return ERROR_INVALID_ARGUMENTS;
1665         }
1666
1667         cyg_serial_info_t buf;
1668         cyg_uint32 len = 1;
1669         //get existing serial configuration
1670         len = sizeof(cyg_serial_info_t);
1671         int err;
1672         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
1673         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf, &len);
1674         if (err != ENOERR)
1675         {
1676                 command_print(cmd_ctx, "Failed to get serial port settings %d", err);
1677                 return ERROR_OK;
1678         }
1679         buf.baud = baud;
1680
1681         err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf, &len);
1682         if (err != ENOERR)
1683         {
1684                 command_print(cmd_ctx, "Failed to set serial port settings %d", err);
1685                 return ERROR_OK;
1686         }
1687
1688         return ERROR_OK;
1689 }
1690
1691 bool logAllToSerial = false;
1692
1693 /* boolean parameter stored on config */
1694 bool boolParam(char *var)
1695 {
1696         bool result = false;
1697         char *name = alloc_printf(ZYLIN_CONFIG_DIR "/%s", var);
1698         if (name == NULL)
1699                 return result;
1700
1701         void *data;
1702         int len;
1703         if (loadFile(name, &data, &len) == ERROR_OK)
1704         {
1705                 if (len > 1)
1706                         len = 1;
1707                 result = strncmp((char *) data, "1", len) == 0;
1708                 free(data);
1709         }
1710         free(name);
1711         return result;
1712 }
1713
1714 command_context_t *setup_command_handler();
1715
1716 int add_default_dirs(void)
1717 {
1718         add_script_search_dir(ZYLIN_CONFIG_DIR);
1719         add_script_search_dir("/rom/lib/openocd");
1720         add_script_search_dir("/rom");
1721         return ERROR_OK;
1722 }
1723
1724 static cyg_uint8 *ramblockdevice;
1725 static const int ramblockdevice_size=4096*1024;
1726 int main(int argc, char *argv[])
1727 {
1728         /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
1729          * need to allocate towards the end of the heap.  */
1730
1731         ramblockdevice=(cyg_uint8 *)malloc(ramblockdevice_size);
1732         memset(ramblockdevice, 0xff, ramblockdevice_size);
1733
1734         setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
1735         setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
1736         setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
1737
1738         int err;
1739         err = cyg_io_lookup("/dev/ser0", &serial_handle);
1740         if (err != ENOERR)
1741         {
1742                 diag_printf("/dev/ser0 not found\n");
1743                 reboot();
1744         }
1745
1746         setPower(true); // on by default
1747
1748         atexit(keep_webserver);
1749
1750         err = mount("", "/ram", "ramfs");
1751         if (err < 0)
1752         {
1753                 diag_printf("unable to mount ramfs\n");
1754         }
1755         chdir("/ram");
1756
1757         char address[16];
1758         sprintf(address, "%p", &filedata[0]);
1759         err = mount(address, "/rom", "romfs");
1760         if (err < 0)
1761         {
1762                 diag_printf("unable to mount /rom\n");
1763         }
1764
1765         err = mount("", "/log", "logfs");
1766         if (err < 0)
1767         {
1768                 diag_printf("unable to mount logfs\n");
1769         }
1770
1771         err = mount("", "/tftp", "tftpfs");
1772         if (err < 0)
1773         {
1774                 diag_printf("unable to mount logfs\n");
1775         }
1776
1777         log = fopen("/log/log", "w");
1778         if (log == NULL)
1779         {
1780                 diag_printf("Could not open log file /ram/log\n");
1781                 exit(-1);
1782         }
1783
1784         diag_init_putc(_zylinjtag_diag_write_char);
1785
1786         // We want this in the log.
1787         diag_printf("Zylin ZY1000. Copyright Zylin AS 2007-2008.\n");
1788         diag_printf("%s\n", ZYLIN_OPENOCD_VERSION);
1789
1790         copydir("/rom", "/ram/cgi");
1791
1792         err = mount("/dev/flash1", "/config", "jffs2");
1793         if (err < 0)
1794         {
1795                 diag_printf("unable to mount jffs\n");
1796                 reboot();
1797         }
1798
1799         /* are we using a ram disk instead of a flash disk? This is used
1800          * for ZY1000 live demo...
1801          *
1802          * copy over flash disk to ram block device
1803          */
1804         if (boolParam("ramdisk"))
1805         {
1806                 diag_printf("Unmounting /config from flash and using ram instead\n");
1807                 err=umount("/config");
1808                 if (err < 0)
1809                 {
1810                         diag_printf("unable to unmount jffs\n");
1811                         reboot();
1812                 }
1813
1814                 err = mount("/dev/flash1", "/config2", "jffs2");
1815                 if (err < 0)
1816                 {
1817                         diag_printf("unable to mount jffs\n");
1818                         reboot();
1819                 }
1820
1821                 err = mount("/dev/ram", "/config", "jffs2");
1822                 if (err < 0)
1823                 {
1824                         diag_printf("unable to mount ram block device\n");
1825                         reboot();
1826                 }
1827
1828 //              copydir("/config2", "/config");
1829                 copyfile("/config2/ip", "/config/ip");
1830                 copydir("/config2/settings", "/config/settings");
1831
1832                 umount("/config2");
1833         } else
1834         {
1835                 /* we're not going to use a ram block disk */
1836                 free(ramblockdevice);
1837         }
1838
1839
1840         mkdir(ZYLIN_CONFIG_DIR, 0777);
1841         mkdir(ZYLIN_CONFIG_DIR "/target", 0777);
1842         mkdir(ZYLIN_CONFIG_DIR "/event", 0777);
1843
1844         logAllToSerial = boolParam("logserial");
1845
1846         // We need the network & web server in case there is something wrong with
1847         // the config files that invoke exit()
1848         zylinjtag_startNetwork();
1849
1850         /* we're going to access the jim interpreter from here on... */
1851         openocd_sleep_postlude();
1852         startUart();
1853
1854         add_default_dirs();
1855
1856         /* initialize commandline interface */
1857         command_context_t *cmd_ctx;
1858         cmd_ctx = setup_command_handler();
1859         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1860         command_context_mode(cmd_ctx, COMMAND_CONFIG);
1861
1862
1863         register_command(cmd_ctx, NULL, "zy1000_version", handle_zy1000_version_command,
1864                         COMMAND_EXEC, "show zy1000 version numbers");
1865
1866         register_command(cmd_ctx, NULL, "rm", handle_rm_command, COMMAND_ANY,
1867                         "remove file");
1868
1869         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1870                         "same args as load_image, image stored in memory");
1871
1872         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1873                         "loads active fast load image to current target");
1874
1875         register_command(cmd_ctx, NULL, "cat", handle_cat_command, COMMAND_ANY,
1876                         "display file content");
1877
1878         register_command(cmd_ctx, NULL, "trunc", handle_trunc_command, COMMAND_ANY,
1879                         "truncate a file to 0 size");
1880
1881         register_command(cmd_ctx, NULL, "append_file", handle_append_command,
1882                         COMMAND_ANY, "append a variable number of strings to a file");
1883
1884         register_command(cmd_ctx, NULL, "power", handle_power_command, COMMAND_ANY,
1885                         "power <on/off> - turn power switch to target on/off. No arguments - print status.");
1886
1887         register_command(cmd_ctx, NULL, "meminfo", handle_meminfo_command,
1888                         COMMAND_ANY, "display available ram memory");
1889
1890         register_command(cmd_ctx, NULL, "cp", handle_cp_command,
1891                                          COMMAND_ANY, "copy a file <from> <to>");
1892
1893 #ifdef CYGPKG_PROFILE_GPROF
1894         register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1895                         COMMAND_ANY, NULL);
1896 #endif
1897         register_command(cmd_ctx, NULL, "uart", handle_uart_command,
1898                                          COMMAND_ANY, "uart <baud>  - forward uart on port 5555");
1899
1900
1901         int errVal;
1902         errVal = log_init(cmd_ctx);
1903         if (errVal != ERROR_OK)
1904         {
1905                 diag_printf("log_init() failed %d\n", errVal);
1906                 exit(-1);
1907         }
1908
1909         set_log_output(cmd_ctx, log);
1910
1911         LOG_DEBUG("log init complete");
1912
1913         //      diag_printf("Executing config files\n");
1914
1915         if (logAllToSerial)
1916         {
1917                 diag_printf(ZYLIN_CONFIG_DIR "/logserial=1 => sending log output to serial port using \"debug_level 3\" as default.\n");
1918                 command_run_line(cmd_ctx, "debug_level 3");
1919         }
1920
1921         zylinjtag_parse_config_file(cmd_ctx, "/rom/openocd.cfg");
1922
1923         // FIX!!!  Yuk!
1924         // diag_printf() is really invoked from many more places than we trust it
1925         // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1926         //
1927         // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1928         // fingers that it doesn't cause any crashes.
1929         diag_printf("Init complete, GDB & telnet servers launched.\n");
1930         command_set_output_handler(cmd_ctx, zy1000_configuration_output_handler_log, NULL);
1931         if (!logAllToSerial)
1932         {
1933                 serialLog = false;
1934         }
1935
1936         /* handle network connections */
1937         server_loop(cmd_ctx);
1938         openocd_sleep_prelude();
1939
1940         /* shut server down */
1941         server_quit();
1942
1943         /* free commandline interface */
1944         command_done(cmd_ctx);
1945         umount("/config");
1946
1947         exit(0);
1948         for (;;);
1949 }
1950
1951
1952
1953 cyg_int32
1954 cyg_httpd_exec_cgi_tcl(char *file_name);
1955 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1956 {
1957         cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1958         return 0;
1959 }
1960
1961 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1962
1963 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1964 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1965
1966 #include <pkgconf/system.h>
1967 #include <pkgconf/hal.h>
1968 #include <pkgconf/kernel.h>
1969 #include <pkgconf/io_fileio.h>
1970 #include <pkgconf/fs_rom.h>
1971
1972 #include <cyg/kernel/ktypes.h>         // base kernel types
1973 #include <cyg/infra/cyg_trac.h>        // tracing macros
1974 #include <cyg/infra/cyg_ass.h>         // assertion macros
1975 #include <unistd.h>
1976 #include <sys/types.h>
1977 #include <fcntl.h>
1978 #include <sys/stat.h>
1979 #include <errno.h>
1980 #include <dirent.h>
1981
1982 #include <stdarg.h>
1983 #include <stdio.h>
1984 #include <stdlib.h>
1985 #include <string.h>
1986
1987 #include <cyg/fileio/fileio.h>
1988
1989 #include <cyg/kernel/kapi.h>
1990 #include <cyg/infra/diag.h>
1991
1992 //==========================================================================
1993 // Eventually we want to eXecute In Place from the ROM in a protected
1994 // environment, so we'll need executables to be aligned to a boundary
1995 // suitable for MMU protection. A suitable boundary would be the 4k
1996 // boundary in all the CPU architectures I am currently aware of.
1997
1998 // Forward definitions
1999
2000 // Filesystem operations
2001 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
2002 static int tftpfs_umount(cyg_mtab_entry *mte);
2003 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2004                 int mode, cyg_file *fte);
2005 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
2006 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
2007
2008 // File operations
2009 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
2010 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
2011 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
2012
2013 //==========================================================================
2014 // Filesystem table entries
2015
2016 // -------------------------------------------------------------------------
2017 // Fstab entry.
2018 // This defines the entry in the filesystem table.
2019 // For simplicity we use _FILESYSTEM synchronization for all accesses since
2020 // we should never block in any filesystem operations.
2021 #if 1
2022 FSTAB_ENTRY( tftpfs_fste, "tftpfs", 0,
2023                 CYG_SYNCMODE_NONE,
2024                 tftpfs_mount,
2025                 tftpfs_umount,
2026                 tftpfs_open,
2027                 (cyg_fsop_unlink *)cyg_fileio_erofs,
2028                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
2029                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
2030                 (cyg_fsop_rename *)cyg_fileio_erofs,
2031                 (cyg_fsop_link *)cyg_fileio_erofs,
2032                 (cyg_fsop_opendir *)cyg_fileio_erofs,
2033                 (cyg_fsop_chdir *)cyg_fileio_erofs,
2034                 (cyg_fsop_stat *)cyg_fileio_erofs,
2035                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
2036                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
2037 #endif
2038
2039 // -------------------------------------------------------------------------
2040 // mtab entry.
2041 // This defines a single ROMFS loaded into ROM at the configured address
2042 //
2043 // MTAB_ENTRY(  rom_mte,        // structure name
2044 //              "/rom",         // mount point
2045 //              "romfs",        // FIlesystem type
2046 //              "",             // hardware device
2047 //  (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS   // Address in ROM
2048 //           );
2049
2050
2051 // -------------------------------------------------------------------------
2052 // File operations.
2053 // This set of file operations are used for normal open files.
2054
2055 static cyg_fileops tftpfs_fileops =
2056 {
2057         tftpfs_fo_read,
2058         tftpfs_fo_write,
2059         tftpfs_fo_lseek,
2060         (cyg_fileop_ioctl *)cyg_fileio_erofs,
2061     cyg_fileio_seltrue,
2062     tftpfs_fo_fsync,
2063     tftpfs_fo_close,
2064                 (cyg_fileop_fstat *) cyg_fileio_erofs,
2065                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
2066         (cyg_fileop_setinfo *)cyg_fileio_erofs,
2067 };
2068
2069 // -------------------------------------------------------------------------
2070 // tftpfs_mount()
2071 // Process a mount request. This mainly finds root for the
2072 // filesystem.
2073
2074 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
2075 {
2076         return ENOERR;
2077 }
2078
2079 static int tftpfs_umount(cyg_mtab_entry *mte)
2080 {
2081         return ENOERR;
2082 }
2083
2084 struct Tftp
2085 {
2086         int write;
2087         int readFile;
2088         cyg_uint8 *mem;
2089         int actual;
2090         char *server;
2091         char *file;
2092 };
2093
2094 static void freeTftp(struct Tftp *t)
2095 {
2096         if (t == NULL)
2097                 return;
2098         if (t->mem)
2099                 free(t->mem);
2100         if (t->server)
2101                 free(t->server);
2102         if (t->file)
2103                 free(t->file);
2104         free(t);
2105 }
2106
2107 static const int tftpMaxSize = 8192 * 1024;
2108 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2109                 int mode, cyg_file *file)
2110 {
2111         struct Tftp *tftp;
2112         tftp = malloc(sizeof(struct Tftp));
2113         if (tftp == NULL)
2114                 return EMFILE;
2115         memset(tftp, 0, sizeof(struct Tftp));
2116
2117         file->f_flag |= mode & CYG_FILE_MODE_MASK;
2118         file->f_type = CYG_FILE_TYPE_FILE;
2119         file->f_ops = &tftpfs_fileops;
2120         file->f_offset = 0;
2121         file->f_data = 0;
2122         file->f_xops = 0;
2123
2124         tftp->mem = malloc(tftpMaxSize);
2125         if (tftp->mem == NULL)
2126         {
2127                 freeTftp(tftp);
2128                 return EMFILE;
2129         }
2130
2131         char *server = strchr(name, '/');
2132         if (server == NULL)
2133         {
2134                 freeTftp(tftp);
2135                 return EMFILE;
2136         }
2137
2138         tftp->server = malloc(server - name + 1);
2139         if (tftp->server == NULL)
2140         {
2141                 freeTftp(tftp);
2142                 return EMFILE;
2143         }
2144         strncpy(tftp->server, name, server - name);
2145         tftp->server[server - name] = 0;
2146
2147         tftp->file = strdup(server + 1);
2148         if (tftp->file == NULL)
2149         {
2150                 freeTftp(tftp);
2151                 return EMFILE;
2152         }
2153
2154         file->f_data = (CYG_ADDRWORD) tftp;
2155
2156         return ENOERR;
2157 }
2158
2159 static int fetchTftp(struct Tftp *tftp)
2160 {
2161         if (!tftp->readFile)
2162         {
2163                 int err;
2164             tftp->actual = tftp_client_get( tftp->file, tftp->server, 0, tftp->mem, tftpMaxSize,   TFTP_OCTET, &err);
2165
2166                 if (tftp->actual < 0)
2167                 {
2168                         return EMFILE;
2169                 }
2170                 tftp->readFile = 1;
2171         }
2172         return ENOERR;
2173 }
2174
2175 // -------------------------------------------------------------------------
2176 // tftpfs_fo_write()
2177 // Read data from file.
2178
2179 static int
2180 tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
2181 {
2182         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2183
2184         if (fetchTftp(tftp) != ENOERR)
2185                 return EMFILE;
2186
2187         int i;
2188         off_t pos = fp->f_offset;
2189         int resid = 0;
2190         for (i = 0; i < uio->uio_iovcnt; i++)
2191         {
2192                 cyg_iovec *iov = &uio->uio_iov[i];
2193                 char *buf = (char *) iov->iov_base;
2194                 off_t len = iov->iov_len;
2195
2196                 if (len + pos > tftp->actual)
2197                 {
2198                         len = tftp->actual - pos;
2199                 }
2200                 resid += iov->iov_len - len;
2201
2202                 memcpy(buf, tftp->mem + pos, len);
2203                 pos += len;
2204
2205         }
2206         uio->uio_resid = resid;
2207         fp->f_offset = pos;
2208
2209         return ENOERR;
2210 }
2211
2212
2213 static int
2214 tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
2215 {
2216         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2217
2218         int i;
2219         off_t pos = fp->f_offset;
2220         int resid = 0;
2221         for (i = 0; i < uio->uio_iovcnt; i++)
2222         {
2223                 cyg_iovec *iov = &uio->uio_iov[i];
2224                 char *buf = (char *) iov->iov_base;
2225                 off_t len = iov->iov_len;
2226
2227                 if (len + pos > tftpMaxSize)
2228                 {
2229                         len = tftpMaxSize - pos;
2230                 }
2231                 resid += iov->iov_len - len;
2232
2233                 memcpy(tftp->mem + pos, buf, len);
2234                 pos += len;
2235
2236         }
2237         uio->uio_resid = resid;
2238         fp->f_offset = pos;
2239
2240         tftp->write = 1;
2241
2242         return ENOERR;
2243 }
2244
2245 static int
2246 tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
2247 {
2248         int error = ENOERR;
2249         return error;
2250 }
2251
2252 // -------------------------------------------------------------------------
2253 // romfs_fo_close()
2254 // Close a file. We just clear out the data pointer.
2255
2256 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
2257 {
2258         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2259         int error = ENOERR;
2260
2261         if (tftp->write)
2262         {
2263             tftp_client_put( tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,   TFTP_OCTET, &error);
2264         }
2265
2266         freeTftp(tftp);
2267         fp->f_data = 0;
2268         return error;
2269 }
2270
2271 // -------------------------------------------------------------------------
2272 // romfs_fo_lseek()
2273 // Seek to a new file position.
2274
2275 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
2276 {
2277         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2278         off_t pos = *apos;
2279
2280         if (fetchTftp(tftp) != ENOERR)
2281                 return EMFILE;
2282
2283         switch (whence)
2284         {
2285         case SEEK_SET:
2286                 // Pos is already where we want to be.
2287                 break;
2288
2289         case SEEK_CUR:
2290                 // Add pos to current offset.
2291                 pos += fp->f_offset;
2292                 break;
2293
2294         case SEEK_END:
2295                 // Add pos to file size.
2296                 pos += tftp->actual;
2297                 break;
2298
2299         default:
2300                 return EINVAL;
2301         }
2302
2303         // Check that pos is still within current file size, or at the
2304         // very end.
2305         if (pos < 0 || pos > tftp->actual)
2306                 return EINVAL;
2307
2308         // All OK, set fp offset and return new position.
2309         *apos = fp->f_offset = pos;
2310
2311         return ENOERR;
2312 }
2313
2314 void usleep(int us)
2315 {
2316         if (us > 10000)
2317                 cyg_thread_delay(us / 10000 + 1);
2318         else
2319                 HAL_DELAY_US(us);
2320 }
2321
2322 // Chunked version.
2323 cyg_int32
2324 show_log_entry(CYG_HTTPD_STATE *phttpstate)
2325 {
2326         cyg_httpd_start_chunked("text");
2327         if (logCount >= logSize)
2328         {
2329         cyg_httpd_write_chunked(logBuffer+logCount%logSize, logSize-logCount%logSize);
2330         }
2331         cyg_httpd_write_chunked(logBuffer, writePtr);
2332         cyg_httpd_end_chunked();
2333         return -1;
2334 }
2335
2336 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
2337
2338 // Filesystem operations
2339 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
2340 static int logfs_umount(cyg_mtab_entry *mte);
2341 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2342                 int mode, cyg_file *fte);
2343 static int
2344 logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
2345
2346 // File operations
2347 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
2348 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
2349
2350 #include <cyg/io/devtab.h>
2351
2352 //==========================================================================
2353 // Filesystem table entries
2354
2355 // -------------------------------------------------------------------------
2356 // Fstab entry.
2357 // This defines the entry in the filesystem table.
2358 // For simplicity we use _FILESYSTEM synchronization for all accesses since
2359 // we should never block in any filesystem operations.
2360 FSTAB_ENTRY( logfs_fste, "logfs", 0,
2361                 CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM,
2362                 logfs_mount,
2363                 logfs_umount,
2364                 logfs_open,
2365                 (cyg_fsop_unlink *)cyg_fileio_erofs,
2366                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
2367                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
2368                 (cyg_fsop_rename *)cyg_fileio_erofs,
2369                 (cyg_fsop_link *)cyg_fileio_erofs,
2370                 (cyg_fsop_opendir *)cyg_fileio_erofs,
2371                 (cyg_fsop_chdir *)cyg_fileio_erofs,
2372                 (cyg_fsop_stat *)cyg_fileio_erofs,
2373                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
2374                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
2375
2376 // -------------------------------------------------------------------------
2377 // File operations.
2378 // This set of file operations are used for normal open files.
2379
2380 static cyg_fileops logfs_fileops =
2381 {
2382         (cyg_fileop_read *)cyg_fileio_erofs,
2383     (cyg_fileop_write *)logfs_fo_write,
2384                 (cyg_fileop_lseek *) cyg_fileio_erofs,
2385         (cyg_fileop_ioctl *)cyg_fileio_erofs,
2386     cyg_fileio_seltrue,
2387     logfs_fo_fsync,
2388     logfs_fo_close,
2389         (cyg_fileop_fstat *)cyg_fileio_erofs,
2390                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
2391         (cyg_fileop_setinfo *)cyg_fileio_erofs,
2392 };
2393
2394 // -------------------------------------------------------------------------
2395 // logfs_mount()
2396 // Process a mount request. This mainly finds root for the
2397 // filesystem.
2398
2399 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
2400 {
2401         return ENOERR;
2402 }
2403
2404 static int logfs_umount(cyg_mtab_entry *mte)
2405 {
2406         return ENOERR;
2407 }
2408
2409 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2410                 int mode, cyg_file *file)
2411 {
2412         file->f_flag |= mode & CYG_FILE_MODE_MASK;
2413         file->f_type = CYG_FILE_TYPE_FILE;
2414         file->f_ops = &logfs_fileops;
2415         file->f_offset = 0;
2416         file->f_data = 0;
2417         file->f_xops = 0;
2418         return ENOERR;
2419 }
2420
2421 // -------------------------------------------------------------------------
2422 // logfs_fo_write()
2423 // Write data to file.
2424
2425 static int
2426 logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
2427 {
2428         int i;
2429         for (i = 0; i < uio->uio_iovcnt; i++)
2430         {
2431                 cyg_iovec *iov = &uio->uio_iov[i];
2432                 char *buf = (char *) iov->iov_base;
2433                 off_t len = iov->iov_len;
2434
2435                 diag_write(buf, len);
2436         }
2437         uio->uio_resid = 0;
2438
2439         return ENOERR;
2440 }
2441 static int
2442 logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
2443 {
2444         return ENOERR;
2445 }
2446
2447 // -------------------------------------------------------------------------
2448 // romfs_fo_close()
2449 // Close a file. We just clear out the data pointer.
2450
2451 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
2452 {
2453         return ENOERR;
2454 }
2455
2456 static bool
2457 ramiodev_init( struct cyg_devtab_entry *tab )
2458 {
2459         return true;
2460 }
2461
2462 static Cyg_ErrNo
2463 ramiodev_bread( cyg_io_handle_t handle, void *buf, cyg_uint32 *len,
2464                   cyg_uint32 pos)
2465 {
2466         if (*len+pos>ramblockdevice_size)
2467         {
2468                 *len=ramblockdevice_size-pos;
2469         }
2470         memcpy(buf, ramblockdevice+pos, *len);
2471         return ENOERR;
2472 }
2473
2474 static Cyg_ErrNo
2475 ramiodev_bwrite( cyg_io_handle_t handle, const void *buf, cyg_uint32 *len,
2476                    cyg_uint32 pos )
2477 {
2478         if (((pos%4)!=0)||(((*len)%4)!=0))
2479         {
2480                 diag_printf("Unaligned write %d %d!", pos, *len);
2481         }
2482
2483         memcpy(ramblockdevice+pos, buf, *len);
2484         return ENOERR;
2485 }
2486
2487 static Cyg_ErrNo
2488 ramiodev_get_config( cyg_io_handle_t handle,
2489                        cyg_uint32 key,
2490                        void* buf,
2491                        cyg_uint32* len)
2492 {
2493     switch (key) {
2494     case CYG_IO_GET_CONFIG_FLASH_ERASE:
2495     {
2496         if ( *len != sizeof( cyg_io_flash_getconfig_erase_t ) )
2497              return -EINVAL;
2498         {
2499             cyg_io_flash_getconfig_erase_t *e = (cyg_io_flash_getconfig_erase_t *)buf;
2500             char *startpos = ramblockdevice + e->offset;
2501
2502             if (((e->offset%(64*1024))!=0)||((e->len%(64*1024))!=0))
2503             {
2504                 diag_printf("Erease is not aligned %d %d\n", e->offset, e->len);
2505             }
2506
2507             memset(startpos, 0xff, e->len);
2508
2509             e->flasherr = 0;
2510         }
2511         return ENOERR;
2512     }
2513     case CYG_IO_GET_CONFIG_FLASH_DEVSIZE:
2514     {
2515         if ( *len != sizeof( cyg_io_flash_getconfig_devsize_t ) )
2516              return -EINVAL;
2517         {
2518             cyg_io_flash_getconfig_devsize_t *d =
2519                 (cyg_io_flash_getconfig_devsize_t *)buf;
2520
2521                         d->dev_size = ramblockdevice_size;
2522         }
2523         return ENOERR;
2524     }
2525
2526     case CYG_IO_GET_CONFIG_FLASH_BLOCKSIZE:
2527     {
2528         cyg_io_flash_getconfig_blocksize_t *b =
2529             (cyg_io_flash_getconfig_blocksize_t *)buf;
2530         if ( *len != sizeof( cyg_io_flash_getconfig_blocksize_t ) )
2531              return -EINVAL;
2532
2533         // offset unused for now
2534                 b->block_size = 64*1024;
2535         return ENOERR;
2536     }
2537
2538     default:
2539         return -EINVAL;
2540     }
2541 }
2542
2543 static Cyg_ErrNo
2544 ramiodev_set_config( cyg_io_handle_t handle,
2545                        cyg_uint32 key,
2546                        const void* buf,
2547                        cyg_uint32* len)
2548 {
2549
2550     switch (key) {
2551     default:
2552         return -EINVAL;
2553     }
2554 } // ramiodev_set_config()
2555
2556 // get_config/set_config should be added later to provide the other flash
2557 // operations possible, like erase etc.
2558
2559 BLOCK_DEVIO_TABLE( cyg_io_ramdev1_ops,
2560                    &ramiodev_bwrite,
2561                    &ramiodev_bread,
2562                    0, // no select
2563                    &ramiodev_get_config,
2564                    &ramiodev_set_config
2565     );
2566
2567
2568 BLOCK_DEVTAB_ENTRY( cyg_io_ramdev1,
2569                     "/dev/ram",
2570                     0,
2571                     &cyg_io_ramdev1_ops,
2572                     &ramiodev_init,
2573                     0, // No lookup required
2574                     NULL );