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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/hal/hal_diag.h>
  63 #include <cyg/kernel/kapi.h>
  64 #include <cyg/io/serialio.h>
  65 #include <cyg/io/io.h>
  66 #include <netinet/tcp.h>
  67 #include "rom.h"
  68 #include <sys/ioctl.h>
  69 #include <sys/socket.h>
  70 #include <netinet/in.h>
  71 #include <net/if.h>
  72 #include <arpa/inet.h>
  73 #include <sys/types.h>
  74 #include <sys/socket.h>
  75 #include <netdb.h>
  76 #include <netinet/in.h>
  77 #include <unistd.h>
  78 #include <arpa/inet.h>
  79 #include <stdio.h>
  80 #include <ifaddrs.h>
  81 #include <string.h>
  82
  83 #include <unistd.h>
  84 #include <stdio.h>
  85 #define MAX_IFS 64
  86 #if defined(CYGPKG_NET_FREEBSD_STACK)
  87 #include <tftp_support.h>
  88 /* posix compatibility broken*/
  89 struct tftpd_fileops fileops =
  90 {
  91         (int (*)(const char *, int))open,
  92         close,
  93         (int (*)(int, const void *, int))write,
  94         ( int (*)(int, void *, int))read
  95 };
  96
  97 #endif
  98
  99 #define ZYLIN_VERSION "1.44"
 100 #define ZYLIN_DATE __DATE__
 101 #define ZYLIN_TIME __TIME__
 102 /* hmmm....  we can't pick up the right # during build if we've checked this out
 103  * in Eclipse... arrggghh...*/
 104 #define ZYLIN_OPENOCD 1033
 105 #define ZYLIN_OPENOCD_VERSION "Zylin JTAG ZY1000 " ZYLIN_VERSION " " ZYLIN_DATE " " ZYLIN_TIME
 106 #define ZYLIN_CONFIG_DIR "/config/settings"
 107
 108 void diag_write(char *buf, int len)
 109 {
 110         int j;
 111         for (j = 0; j < len; j++)
 112         {
 113                 diag_printf("%c", buf[j]);
 114         }
 115 }
 116
 117 static bool serialLog = true;
 118 static bool writeLog = true;
 119
 120
 121 struct FastLoad
 122 {
 123         u32 address;
 124         u8 *data;
 125         int length;
 126
 127 };
 128
 129 static int fastload_num;
 130 static struct FastLoad *fastload;
 131
 132 static void free_fastload()
 133 {
 134         if (fastload!=NULL)
 135         {
 136                 int i;
 137                 for (i=0; i<fastload_num; i++)
 138                 {
 139                         if (fastload[i].data)
 140                                 free(fastload[i].data);
 141                 }
 142                 free(fastload);
 143                 fastload=NULL;
 144         }
 145 }
 146
 147
 148 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 149 {
 150         u8 *buffer;
 151         u32 buf_cnt;
 152         u32 image_size;
 153         u32 min_address=0;
 154         u32 max_address=0xffffffff;
 155         int i;
 156         int retval;
 157
 158         image_t image;
 159
 160         duration_t duration;
 161         char *duration_text;
 162
 163         if ((argc < 1)||(argc > 5))
 164         {
 165                 return ERROR_COMMAND_SYNTAX_ERROR;
 166         }
 167
 168         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
 169         if (argc >= 2)
 170         {
 171                 image.base_address_set = 1;
 172                 image.base_address = strtoul(args[1], NULL, 0);
 173         }
 174         else
 175         {
 176                 image.base_address_set = 0;
 177         }
 178
 179
 180         image.start_address_set = 0;
 181
 182         if (argc>=4)
 183         {
 184                 min_address=strtoul(args[3], NULL, 0);
 185         }
 186         if (argc>=5)
 187         {
 188                 max_address=strtoul(args[4], NULL, 0)+min_address;
 189         }
 190
 191         if (min_address>max_address)
 192         {
 193                 return ERROR_COMMAND_SYNTAX_ERROR;
 194         }
 195
 196         duration_start_measure(&duration);
 197
 198         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
 199         {
 200                 return ERROR_OK;
 201         }
 202
 203         image_size = 0x0;
 204         retval = ERROR_OK;
 205         fastload_num=image.num_sections;
 206         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
 207         if (fastload==NULL)
 208         {
 209                 image_close(&image);
 210                 return ERROR_FAIL;
 211         }
 212         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
 213         for (i = 0; i < image.num_sections; i++)
 214         {
 215                 buffer = malloc(image.sections[i].size);
 216                 if (buffer == NULL)
 217                 {
 218                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
 219                         break;
 220                 }
 221
 222                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
 223                 {
 224                         free(buffer);
 225                         break;
 226                 }
 227
 228                 u32 offset=0;
 229                 u32 length=buf_cnt;
 230
 231
 232                 /* DANGER!!! beware of unsigned comparision here!!! */
 233
 234                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
 235                                 (image.sections[i].base_address<max_address))
 236                 {
 237                         if (image.sections[i].base_address<min_address)
 238                         {
 239                                 /* clip addresses below */
 240                                 offset+=min_address-image.sections[i].base_address;
 241                                 length-=offset;
 242                         }
 243
 244                         if (image.sections[i].base_address+buf_cnt>max_address)
 245                         {
 246                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
 247                         }
 248
 249                         fastload[i].address=image.sections[i].base_address+offset;
 250                         fastload[i].data=malloc(length);
 251                         if (fastload[i].data==NULL)
 252                         {
 253                                 free(buffer);
 254                                 break;
 255                         }
 256                         memcpy(fastload[i].data, buffer+offset, length);
 257                         fastload[i].length=length;
 258
 259                         image_size += length;
 260                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
 261                 }
 262
 263                 free(buffer);
 264         }
 265
 266         duration_stop_measure(&duration, &duration_text);
 267         if (retval==ERROR_OK)
 268         {
 269                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
 270         }
 271         free(duration_text);
 272
 273         image_close(&image);
 274
 275         if (retval!=ERROR_OK)
 276         {
 277                 free_fastload();
 278         }
 279
 280         return retval;
 281 }
 282
 283 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 284 {
 285         if (argc>0)
 286                 return ERROR_COMMAND_SYNTAX_ERROR;
 287         if (fastload==NULL)
 288         {
 289                 LOG_ERROR("No image in memory");
 290                 return ERROR_FAIL;
 291         }
 292         int i;
 293         int ms=timeval_ms();
 294         int size=0;
 295         for (i=0; i<fastload_num;i++)
 296         {
 297                 int retval;
 298                 target_t *target = get_current_target(cmd_ctx);
 299                 if ((retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data)) != ERROR_OK)
 300                 {
 301                         return retval;
 302                 }
 303                 size+=fastload[i].length;
 304         }
 305         int after=timeval_ms();
 306         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
 307         return ERROR_OK;
 308 }
 309
 310
 311 /* Give TELNET a way to find out what version this is */
 312 int handle_zy1000_version_command(struct command_context_s *cmd_ctx, char *cmd,
 313                 char **args, int argc)
 314 {
 315         if (argc > 1)
 316         {
 317                 return ERROR_COMMAND_SYNTAX_ERROR;
 318         }
 319         if (argc == 0)
 320         {
 321                 command_print(cmd_ctx, ZYLIN_OPENOCD_VERSION);
 322         } else if (strcmp("openocd", args[0])==0)
 323         {
 324                 command_print(cmd_ctx, "%d", ZYLIN_OPENOCD);
 325         } else if (strcmp("zy1000", args[0])==0)
 326         {
 327                 command_print(cmd_ctx, "%s", ZYLIN_VERSION);
 328         } else if (strcmp("date", args[0])==0)
 329         {
 330                 command_print(cmd_ctx, "%s", ZYLIN_DATE);
 331         } else
 332         {
 333                 return ERROR_COMMAND_SYNTAX_ERROR;
 334         }
 335
 336         return ERROR_OK;
 337 }
 338
 339 extern flash_driver_t *flash_drivers[];
 340 extern target_type_t *target_types[];
 341
 342 #ifdef CYGPKG_PROFILE_GPROF
 343 #include <cyg/profile/profile.h>
 344
 345 extern char _stext, _etext; // Defined by the linker
 346
 347 void start_profile(void)
 348 {
 349         // This starts up the system-wide profiling, gathering
 350         // profile information on all of the code, with a 16 byte
 351         // "bucket" size, at a rate of 100us/profile hit.
 352         // Note: a bucket size of 16 will give pretty good function
 353         //       resolution.  Much smaller and the buffer becomes
 354         //       much too large for very little gain.
 355         // Note: a timer period of 100us is also a reasonable
 356         //       compromise.  Any smaller and the overhead of
 357         //       handling the timter (profile) interrupt could
 358         //       swamp the system.  A fast processor might get
 359         //       by with a smaller value, but a slow one could
 360         //       even be swamped by this value.  If the value is
 361         //       too large, the usefulness of the profile is reduced.
 362
 363         // no more interrupts than 1/10ms.
 364         //    profile_on(&_stext, &_etext, 16, 10000); // DRAM
 365         //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
 366         profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
 367 }
 368 #endif
 369
 370 // launch GDB server if a config file exists
 371 bool zylinjtag_parse_config_file(struct command_context_s *cmd_ctx, const char *config_file_name)
 372 {
 373         bool foundFile = false;
 374         FILE *config_file = NULL;
 375         command_print(cmd_ctx, "executing config file %s", config_file_name);
 376         config_file = fopen(config_file_name, "r");
 377         if (config_file)
 378         {
 379                 fclose(config_file);
 380                 int retval;
 381                 retval = command_run_linef(cmd_ctx, "script %s", config_file_name);
 382                 if (retval == ERROR_OK)
 383                 {
 384                         foundFile = true;
 385                 }
 386                 else
 387                 {
 388                         command_print(cmd_ctx, "Failed executing %s %d", config_file_name, retval);
 389                 }
 390         }
 391         else
 392         {
 393                 command_print(cmd_ctx, "No %s found", config_file_name);
 394         }
 395
 396         return foundFile;
 397 }
 398
 399 extern int eth0_up;
 400 static FILE *log;
 401
 402 static char reboot_stack[2048];
 403
 404
 405 static void
 406 zylinjtag_reboot(cyg_addrword_t data)
 407 {
 408         serialLog = true;
 409         diag_printf("Rebooting in 100 ticks..\n");
 410         cyg_thread_delay(100);
 411         diag_printf("Unmounting /config..\n");
 412         umount("/config");
 413         diag_printf("Rebooting..\n");
 414         HAL_PLATFORM_RESET();
 415 }
 416 static cyg_thread zylinjtag_thread_object;
 417 static cyg_handle_t zylinjtag_thread_handle;
 418
 419 void reboot(void)
 420 {
 421     cyg_thread_create(1,
 422                       zylinjtag_reboot,
 423                       (cyg_addrword_t)0,
 424                       "reboot Thread",
 425                       (void *)reboot_stack,
 426                       sizeof(reboot_stack),
 427                       &zylinjtag_thread_handle,
 428                       &zylinjtag_thread_object);
 429         cyg_thread_resume(zylinjtag_thread_handle);
 430 }
 431
 432 int configuration_output_handler(struct command_context_s *context, const char* line)
 433 {
 434         diag_printf("%s", line);
 435
 436         return ERROR_OK;
 437 }
 438
 439 int zy1000_configuration_output_handler_log(struct command_context_s *context, const char* line)
 440 {
 441         LOG_USER_N("%s", line);
 442
 443         return ERROR_OK;
 444 }
 445
 446 int handle_rm_command(struct command_context_s *cmd_ctx, char *cmd,
 447                 char **args, int argc)
 448 {
 449         if (argc != 1)
 450         {
 451                 command_print(cmd_ctx, "rm <filename>");
 452                 return ERROR_INVALID_ARGUMENTS;
 453         }
 454
 455         if (unlink(args[0]) != 0)
 456         {
 457                 command_print(cmd_ctx, "failed: %d", errno);
 458         }
 459
 460         return ERROR_OK;
 461 }
 462
 463 int loadFile(const char *fileName, void **data, int *len);
 464
 465 int handle_cat_command(struct command_context_s *cmd_ctx, char *cmd,
 466                 char **args, int argc)
 467 {
 468         if (argc != 1)
 469         {
 470                 command_print(cmd_ctx, "cat <filename>");
 471                 return ERROR_INVALID_ARGUMENTS;
 472         }
 473
 474         // NOTE!!! we only have line printing capability so we print the entire file as a single line.
 475         void *data;
 476         int len;
 477
 478         int retval = loadFile(args[0], &data, &len);
 479         if (retval == ERROR_OK)
 480         {
 481                 command_print(cmd_ctx, "%s", data);
 482                 free(data);
 483         }
 484         else
 485         {
 486                 command_print(cmd_ctx, "%s not found %d", args[0], retval);
 487         }
 488
 489         return ERROR_OK;
 490 }
 491 int handle_trunc_command(struct command_context_s *cmd_ctx, char *cmd,
 492                 char **args, int argc)
 493 {
 494         if (argc != 1)
 495         {
 496                 command_print(cmd_ctx, "trunc <filename>");
 497                 return ERROR_INVALID_ARGUMENTS;
 498         }
 499
 500         FILE *config_file = NULL;
 501         config_file = fopen(args[0], "w");
 502         if (config_file != NULL)
 503                 fclose(config_file);
 504
 505         return ERROR_OK;
 506 }
 507
 508
 509 int handle_meminfo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 510 {
 511         static int prev = 0;
 512         struct mallinfo info;
 513
 514         if (argc != 0)
 515         {
 516                 command_print(cmd_ctx, "meminfo");
 517                 return ERROR_INVALID_ARGUMENTS;
 518         }
 519
 520         info = mallinfo();
 521
 522         if (prev > 0)
 523         {
 524                 command_print(cmd_ctx, "Diff:            %d", prev - info.fordblks);
 525         }
 526         prev = info.fordblks;
 527
 528         command_print(cmd_ctx, "Available ram:   %d", info.fordblks );
 529
 530         return ERROR_OK;
 531 }
 532
 533 static bool savePower;
 534
 535 static void setPower(bool power)
 536 {
 537         savePower = power;
 538         if (power)
 539         {
 540                 HAL_WRITE_UINT32(0x08000014, 0x8);
 541         } else
 542         {
 543                 HAL_WRITE_UINT32(0x08000010, 0x8);
 544         }
 545 }
 546
 547 int handle_power_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 548 {
 549         if (argc > 1)
 550         {
 551                 return ERROR_INVALID_ARGUMENTS;
 552         }
 553
 554         if (argc == 1)
 555         {
 556                 if (strcmp(args[0], "on") == 0)
 557                 {
 558                         setPower(1);
 559                 }
 560                 else if (strcmp(args[0], "off") == 0)
 561                 {
 562                         setPower(0);
 563                 } else
 564                 {
 565                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
 566                         return ERROR_INVALID_ARGUMENTS;
 567                 }
 568         }
 569
 570         command_print(cmd_ctx, "Target power %s", savePower ? "on" : "off");
 571
 572         return ERROR_OK;
 573 }
 574
 575 int handle_append_command(struct command_context_s *cmd_ctx, char *cmd,
 576                 char **args, int argc)
 577 {
 578         if (argc < 1)
 579         {
 580                 command_print(cmd_ctx,
 581                                 "append <filename> [<string1>, [<string2>, ...]]");
 582                 return ERROR_INVALID_ARGUMENTS;
 583         }
 584
 585         FILE *config_file = NULL;
 586         config_file = fopen(args[0], "a");
 587         if (config_file != NULL)
 588         {
 589                 int i;
 590                 fseek(config_file, 0, SEEK_END);
 591
 592                 for (i = 1; i < argc; i++)
 593                 {
 594                         fwrite(args[i], strlen(args[i]), 1, config_file);
 595                         if (i != argc - 1)
 596                         {
 597                                 fwrite(" ", 1, 1, config_file);
 598                         }
 599                 }
 600                 fwrite("\n", 1, 1, config_file);
 601                 fclose(config_file);
 602         }
 603
 604         return ERROR_OK;
 605 }
 606
 607 extern int telnet_socket;
 608
 609 int readMore(int fd, void *data, int length)
 610 {
 611         /* used in select() */
 612         fd_set read_fds;
 613
 614         /* monitor sockets for acitvity */
 615         int fd_max = 1;
 616         FD_ZERO(&read_fds);
 617         /* listen for new connections */
 618         FD_SET(fd, &read_fds);
 619
 620         // Maximum 5 seconds.
 621         struct timeval tv;
 622         tv.tv_sec = 5;
 623         tv.tv_usec = 0;
 624
 625         int retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
 626         if (retval == 0)
 627         {
 628                 diag_printf("Timed out waiting for binary payload\n");
 629                 return -1;
 630         }
 631         if (retval != 1)
 632                 return -1;
 633
 634         return read_socket(fd, data, length);
 635 }
 636
 637 int readAll(int fd, void *data, int length)
 638 {
 639         int pos = 0;
 640         for (;;)
 641         {
 642                 int actual = readMore(fd, ((char *) data) + pos, length - pos);
 643                 //              diag_printf("Read %d bytes(pos=%d, length=%d)\n", actual, pos, length);
 644                 if (actual <= 0)
 645                         return -1;
 646                 pos += actual;
 647                 if (pos == length)
 648                         break;
 649         }
 650         return length;
 651 }
 652
 653 int handle_peek_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 654 {
 655         cyg_uint32 value;
 656         if (argc != 1)
 657         {
 658                 return ERROR_INVALID_ARGUMENTS;
 659         }
 660         HAL_READ_UINT32(strtoul(args[0], NULL, 0), value);
 661         command_print(cmd_ctx, "0x%x : 0x%x", strtoul(args[0], NULL, 0), value);
 662         return ERROR_OK;
 663 }
 664
 665 int handle_poke_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 666 {
 667         if (argc != 2)
 668         {
 669                 return ERROR_INVALID_ARGUMENTS;
 670         }
 671         HAL_WRITE_UINT32(strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0));
 672         return ERROR_OK;
 673 }
 674
 675 int handle_cp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 676 {
 677         if (argc != 2)
 678         {
 679                 return ERROR_INVALID_ARGUMENTS;
 680         }
 681
 682         // NOTE!!! we only have line printing capability so we print the entire file as a single line.
 683         void *data;
 684         int len;
 685
 686         int retval = loadFile(args[0], &data, &len);
 687         if (retval != ERROR_OK)
 688                 return retval;
 689
 690         FILE *f = fopen(args[1], "wb");
 691         if (f == NULL)
 692                 retval = ERROR_INVALID_ARGUMENTS;
 693
 694         int pos = 0;
 695         for (;;)
 696         {
 697                 int chunk = len - pos;
 698                 static const int maxChunk = 512 * 1024; // ~1/sec
 699                 if (chunk > maxChunk)
 700                 {
 701                         chunk = maxChunk;
 702                 }
 703
 704                 if ((retval==ERROR_OK)&&(fwrite(((char *)data)+pos, 1, chunk, f)!=chunk))
 705                         retval = ERROR_INVALID_ARGUMENTS;
 706
 707                 if (retval != ERROR_OK)
 708                 {
 709                         break;
 710                 }
 711
 712                 command_print(cmd_ctx, "%d", len - pos);
 713
 714                 pos += chunk;
 715
 716                 if (pos == len)
 717                         break;
 718         }
 719
 720         if (retval == ERROR_OK)
 721         {
 722                 command_print(cmd_ctx, "Copied %s to %s", args[0], args[1]);
 723         } else
 724         {
 725                 command_print(cmd_ctx, "Failed: %d", retval);
 726         }
 727
 728         if (data != NULL)
 729                 free(data);
 730         if (f != NULL)
 731                 fclose(f);
 732
 733         if (retval != ERROR_OK)
 734                 unlink(args[1]);
 735
 736         return retval;
 737 }
 738
 739 #ifdef CYGPKG_PROFILE_GPROF
 740 extern void start_profile();
 741
 742 int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 743 {
 744         command_print(cmd_ctx, "Profiling started");
 745         start_profile();
 746         return ERROR_OK;
 747 }
 748
 749 #endif
 750
 751 externC void phi_init_all_network_interfaces();
 752
 753 command_context_t *cmd_ctx;
 754
 755 static bool webRunning = false;
 756
 757 void keep_webserver()
 758 {
 759         // Target initialisation is only attempted at startup, so we sleep forever and
 760         // let the http server bail us out(i.e. get config files set up).
 761         diag_printf("OpenOCD has invoked exit().\n"
 762                 "Use web server to correct any configuration settings and reboot.\n");
 763         if (!webRunning)
 764                 reboot();
 765
 766         // exit() will terminate the current thread and we we'll then sleep eternally or
 767         // we'll have a reboot scheduled.
 768 }
 769
 770 extern void printDccChar(char c);
 771
 772 static char logBuffer[128 * 1024];
 773 static const int logSize = sizeof(logBuffer);
 774 int writePtr = 0;
 775 int logCount = 0;
 776
 777 void _zylinjtag_diag_write_char(char c, void **param)
 778 {
 779         if (writeLog)
 780         {
 781                 logBuffer[writePtr] = c;
 782                 writePtr = (writePtr + 1) % logSize;
 783                 logCount++;
 784         }
 785         if (serialLog)
 786         {
 787                 if (c == '\n')
 788                 {
 789                         HAL_DIAG_WRITE_CHAR('\r');
 790                 }
 791                 HAL_DIAG_WRITE_CHAR(c);
 792         }
 793
 794         printDccChar(c);
 795 }
 796
 797 #define SHOW_RESULT(a, b) diag_printf(#a " failed %d\n", (int)b)
 798
 799 #define IOSIZE 512
 800 static void copyfile(char *name2, char *name1)
 801 {
 802
 803         int err;
 804         char buf[IOSIZE];
 805         int fd1, fd2;
 806         ssize_t done, wrote;
 807
 808         fd1 = open(name1, O_WRONLY | O_CREAT);
 809         if (fd1 < 0)
 810                 SHOW_RESULT( open, fd1 );
 811
 812         fd2 = open(name2, O_RDONLY);
 813         if (fd2 < 0)
 814                 SHOW_RESULT( open, fd2 );
 815
 816         for (;;)
 817         {
 818                 done = read(fd2, buf, IOSIZE );
 819                 if (done < 0)
 820                 {
 821                         SHOW_RESULT( read, done );
 822                         break;
 823                 }
 824
 825         if( done == 0 ) break;
 826
 827                 wrote = write(fd1, buf, done);
 828         if( wrote != done ) SHOW_RESULT( write, wrote );
 829
 830         if( wrote != done ) break;
 831         }
 832
 833         err = close(fd1);
 834     if( err < 0 ) SHOW_RESULT( close, err );
 835
 836         err = close(fd2);
 837     if( err < 0 ) SHOW_RESULT( close, err );
 838
 839 }
 840 static void copydir(char *name)
 841 {
 842         int err;
 843         DIR *dirp;
 844
 845         mkdir("/ram/cgi", 0777);
 846
 847         dirp = opendir(name);
 848     if( dirp == NULL ) SHOW_RESULT( opendir, -1 );
 849
 850         for (;;)
 851         {
 852                 struct dirent *entry = readdir(dirp);
 853
 854                 if (entry == NULL)
 855                         break;
 856
 857                 if (strcmp(entry->d_name, ".") == 0)
 858                         continue;
 859                 if (strcmp(entry->d_name, "..") == 0)
 860                         continue;
 861
 862                 bool isDir = false;
 863                 struct stat buf;
 864                 char fullPath[PATH_MAX];
 865                 strncpy(fullPath, name, PATH_MAX);
 866                 strcat(fullPath, "/");
 867                 strncat(fullPath, entry->d_name, PATH_MAX - strlen(fullPath));
 868
 869                 if (stat(fullPath, &buf) == -1)
 870                 {
 871                         diag_printf("unable to read status from %s", fullPath);
 872                         break;
 873                 }
 874                 isDir = S_ISDIR(buf.st_mode) != 0;
 875
 876                 if (isDir)
 877                         continue;
 878
 879                 //        diag_printf("<INFO>: entry %14s",entry->d_name);
 880                 char fullname[PATH_MAX];
 881                 char fullname2[PATH_MAX];
 882
 883                 strcpy(fullname, name);
 884                 strcat(fullname, entry->d_name);
 885
 886                 strcpy(fullname2, "/ram/cgi/");
 887                 strcat(fullname2, entry->d_name);
 888                 //        diag_printf("from %s to %s\n", fullname, fullname2);
 889                 copyfile(fullname, fullname2);
 890
 891                 //       diag_printf("\n");
 892         }
 893
 894         err = closedir(dirp);
 895     if( err < 0 ) SHOW_RESULT( stat, err );
 896 }
 897
 898 #if 0
 899 MTAB_ENTRY( romfs_mte1,
 900                 "/rom",
 901                 "romfs",
 902                 "",
 903                 (CYG_ADDRWORD) &filedata[0] );
 904 #endif
 905
 906 void openocd_sleep_prelude()
 907 {
 908         cyg_mutex_unlock(&httpstate.jim_lock);
 909 }
 910
 911 void openocd_sleep_postlude()
 912 {
 913         cyg_mutex_lock(&httpstate.jim_lock);
 914 }
 915
 916 static int
 917 zylinjtag_Jim_Command_rm(Jim_Interp *interp,
 918                                    int argc,
 919                 Jim_Obj * const *argv)
 920 {
 921         int del;
 922         if (argc != 2)
 923         {
 924                 Jim_WrongNumArgs(interp, 1, argv, "rm ?dirorfile?");
 925                 return JIM_ERR;
 926         }
 927
 928         del = 0;
 929         if (unlink(Jim_GetString(argv[1], NULL)) == 0)
 930                 del = 1;
 931         if (rmdir(Jim_GetString(argv[1], NULL)) == 0)
 932                 del = 1;
 933
 934         return del ? JIM_OK : JIM_ERR;
 935 }
 936
 937 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
 938                 Jim_Obj * const *argv)
 939 {
 940         cyg_handle_t thread = 0;
 941         cyg_uint16 id = 0;
 942         Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
 943
 944         /* Loop over the threads, and generate a table row for
 945          * each.
 946          */
 947         while (cyg_thread_get_next(&thread, &id))
 948         {
 949                 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
 950
 951                 cyg_thread_info info;
 952                 char *state_string;
 953
 954                 cyg_thread_get_info(thread, id, &info);
 955
 956                 if (info.name == NULL)
 957                         info.name = "<no name>";
 958
 959                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 960                                 info.name, strlen(info.name)));
 961
 962                 /* Translate the state into a string.
 963                  */
 964                 if (info.state == 0)
 965                         state_string = "RUN";
 966                 else if (info.state & 0x04)
 967                         state_string = "SUSP";
 968                 else
 969                         switch (info.state & 0x1b)
 970                         {
 971                         case 0x01:
 972                                 state_string = "SLEEP";
 973                                 break;
 974                         case 0x02:
 975                                 state_string = "CNTSLEEP";
 976                                 break;
 977                         case 0x08:
 978                                 state_string = "CREATE";
 979                                 break;
 980                         case 0x10:
 981                                 state_string = "EXIT";
 982                                 break;
 983                         default:
 984                                 state_string = "????";
 985                                 break;
 986                         }
 987
 988                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 989                                 state_string, strlen(state_string)));
 990
 991                 Jim_ListAppendElement   (interp, threadObj, Jim_NewIntObj(interp, id));
 992                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, info.set_pri));
 993                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, info.cur_pri));
 994
 995                 Jim_ListAppendElement(interp, threads, threadObj);
 996         }
 997         Jim_SetResult( interp, threads);
 998
 999         return JIM_OK;
1000 }
1001
1002
1003 static int
1004 zylinjtag_Jim_Command_ls(Jim_Interp *interp,
1005                                    int argc,
1006                 Jim_Obj * const *argv)
1007 {
1008         if (argc != 2)
1009         {
1010                 Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
1011                 return JIM_ERR;
1012         }
1013
1014         char *name = (char*) Jim_GetString(argv[1], NULL);
1015
1016         DIR *dirp = NULL;
1017         dirp = opendir(name);
1018         if (dirp == NULL)
1019         {
1020                 return JIM_ERR;
1021         }
1022         Jim_Obj *objPtr = Jim_NewListObj(interp, NULL, 0);
1023
1024         for (;;)
1025         {
1026                 struct dirent *entry = NULL;
1027                 entry = readdir(dirp);
1028                 if (entry == NULL)
1029                         break;
1030
1031                 if ((strcmp(".", entry->d_name)==0)||(strcmp("..", entry->d_name)==0))
1032                         continue;
1033
1034         Jim_ListAppendElement(interp, objPtr, Jim_NewStringObj(interp, entry->d_name, strlen(entry->d_name)));
1035         }
1036         closedir(dirp);
1037
1038         Jim_SetResult(interp, objPtr);
1039
1040         return JIM_OK;
1041 }
1042
1043
1044 static int
1045 zylinjtag_Jim_Command_getmem(Jim_Interp *interp,
1046                                    int argc,
1047                 Jim_Obj * const *argv)
1048 {
1049         if (argc != 3)
1050         {
1051                 Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
1052                 return JIM_ERR;
1053         }
1054
1055         long address;
1056         long length;
1057         if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
1058                 return JIM_ERR;
1059         if (Jim_GetLong(interp, argv[2], &length) != JIM_OK)
1060                 return JIM_ERR;
1061
1062         if (length < 0 && length > (4096 * 1024))
1063         {
1064                 Jim_WrongNumArgs(interp, 1, argv, "getmem ?dir?");
1065                 return JIM_ERR;
1066         }
1067
1068         void *mem = malloc(length);
1069         if (mem == NULL)
1070                 return JIM_ERR;
1071
1072         target_t *target = get_current_target(cmd_ctx);
1073
1074         int retval;
1075         int size = 1;
1076         int count = length;
1077         if ((address % 4 == 0) && (count % 4 == 0))
1078         {
1079                 size = 4;
1080                 count /= 4;
1081         }
1082
1083         if ((retval  = target->type->read_memory(target, address, size, count, mem)) != ERROR_OK)
1084         {
1085                 free(mem);
1086                 return JIM_ERR;
1087         }
1088
1089         Jim_Obj *objPtr = Jim_NewStringObj(interp, mem, length);
1090         Jim_SetResult(interp, objPtr);
1091
1092         free(mem);
1093
1094         return JIM_OK;
1095 }
1096
1097 static int
1098 zylinjtag_Jim_Command_peek(Jim_Interp *interp,
1099                                    int argc,
1100                 Jim_Obj * const *argv)
1101 {
1102         if (argc != 2)
1103         {
1104                 Jim_WrongNumArgs(interp, 1, argv, "peek ?address?");
1105                 return JIM_ERR;
1106         }
1107
1108         long address;
1109         if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
1110                 return JIM_ERR;
1111
1112         int value = *((volatile int *) address);
1113
1114         Jim_SetResult(interp, Jim_NewIntObj(interp, value));
1115
1116         return JIM_OK;
1117 }
1118
1119 static int
1120 zylinjtag_Jim_Command_poke(Jim_Interp *interp,
1121                                    int argc,
1122                 Jim_Obj * const *argv)
1123 {
1124         if (argc != 3)
1125         {
1126                 Jim_WrongNumArgs(interp, 1, argv, "poke ?address? ?value?");
1127                 return JIM_ERR;
1128         }
1129
1130         long address;
1131         if (Jim_GetLong(interp, argv[1], &address) != JIM_OK)
1132                 return JIM_ERR;
1133         long value;
1134         if (Jim_GetLong(interp, argv[2], &value) != JIM_OK)
1135                 return JIM_ERR;
1136
1137         *((volatile int *) address) = value;
1138
1139         return JIM_OK;
1140 }
1141
1142
1143
1144 static int
1145 zylinjtag_Jim_Command_flash(Jim_Interp *interp,
1146                                    int argc,
1147                 Jim_Obj * const *argv)
1148 {
1149         int retval;
1150         u32 base = 0;
1151         flash_bank_t *t = get_flash_bank_by_num_noprobe(0);
1152         if (t != NULL)
1153         {
1154                 base = t->base;
1155                 retval = JIM_OK;
1156     } else
1157         {
1158                 retval = JIM_ERR;
1159         }
1160
1161         if (retval == JIM_OK)
1162         {
1163                 Jim_SetResult(interp, Jim_NewIntObj(interp, base));
1164         }
1165
1166         return retval;
1167 }
1168
1169
1170
1171
1172
1173 static int
1174 zylinjtag_Jim_Command_log(Jim_Interp *interp,
1175                                    int argc,
1176                 Jim_Obj * const *argv)
1177 {
1178         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
1179
1180         if (logCount >= logSize)
1181         {
1182         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer+logCount%logSize, logSize-logCount%logSize);
1183         }
1184         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
1185
1186         Jim_SetResult(interp, tclOutput);
1187         return JIM_OK;
1188 }
1189
1190 static int
1191 zylinjtag_Jim_Command_reboot(Jim_Interp *interp,
1192                                    int argc,
1193                 Jim_Obj * const *argv)
1194 {
1195         reboot();
1196         return JIM_OK;
1197 }
1198
1199 static int
1200 zylinjtag_Jim_Command_mac(Jim_Interp *interp,
1201                                    int argc,
1202                 Jim_Obj * const *argv)
1203 {
1204         int s;
1205         struct ifreq ifr;
1206         s = socket(AF_INET, SOCK_DGRAM, 0);
1207         if (s >= 0)
1208         {
1209                 strcpy(ifr.ifr_name, "eth0");
1210                 int res;
1211                 res = ioctl(s, SIOCGIFHWADDR, &ifr);
1212                 close(s);
1213
1214                 if (res < 0)
1215                 {
1216                         return JIM_OK;
1217                 }
1218         }
1219
1220         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
1221
1222         char hwaddr[512];
1223         sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
1224                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
1225                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
1226                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
1227                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
1228                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
1229                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
1230
1231         Jim_AppendString(httpstate.jim_interp, tclOutput, hwaddr, strlen(hwaddr));
1232
1233         Jim_SetResult(interp, tclOutput);
1234
1235         return JIM_OK;
1236 }
1237
1238 static int
1239 zylinjtag_Jim_Command_ip(Jim_Interp *interp,
1240                                    int argc,
1241                 Jim_Obj * const *argv)
1242 {
1243         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
1244
1245         struct ifaddrs *ifa = NULL, *ifp = NULL;
1246
1247         if (getifaddrs(&ifp) < 0)
1248         {
1249                 return JIM_ERR;
1250         }
1251
1252         for (ifa = ifp; ifa; ifa = ifa->ifa_next)
1253         {
1254                 char ip[200];
1255                 socklen_t salen;
1256
1257                 if (ifa->ifa_addr->sa_family == AF_INET)
1258                         salen = sizeof(struct sockaddr_in);
1259                 else if (ifa->ifa_addr->sa_family == AF_INET6)
1260                         salen = sizeof(struct sockaddr_in6);
1261                 else
1262                         continue;
1263
1264                 if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
1265                                 NI_NUMERICHOST) < 0)
1266                 {
1267                         continue;
1268                 }
1269
1270                 Jim_AppendString(httpstate.jim_interp, tclOutput, ip, strlen(ip));
1271                 break;
1272
1273         }
1274
1275         freeifaddrs(ifp);
1276
1277         Jim_SetResult(interp, tclOutput);
1278
1279         return JIM_OK;
1280 }
1281
1282 extern Jim_Interp *interp;
1283
1284 static void zylinjtag_startNetwork()
1285 {
1286         // Bring TCP/IP up immediately before we're ready to accept commands.
1287         //
1288         // That is as soon as a PING responds, we're accepting telnet sessions.
1289 #if defined(CYGPKG_NET_FREEBSD_STACK)
1290         phi_init_all_network_interfaces();
1291 #else
1292         lwip_init();
1293 #endif
1294         if (!eth0_up)
1295         {
1296                 diag_printf("Network not up and running\n");
1297                 exit(-1);
1298         }
1299 #if defined(CYGPKG_NET_FREEBSD_STACK)
1300         /*start TFTP*/
1301         tftpd_start(69, &fileops);
1302 #endif
1303
1304         cyg_httpd_init_tcl_interpreter();
1305
1306         interp = httpstate.jim_interp;
1307
1308     Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log, NULL, NULL);
1309     Jim_CreateCommand(httpstate.jim_interp, "reboot", zylinjtag_Jim_Command_reboot, NULL, NULL);
1310     Jim_CreateCommand(httpstate.jim_interp, "peek", zylinjtag_Jim_Command_peek, NULL, NULL);
1311     Jim_CreateCommand(httpstate.jim_interp, "zy1000_flash", zylinjtag_Jim_Command_flash, NULL, NULL);
1312     Jim_CreateCommand(httpstate.jim_interp, "poke", zylinjtag_Jim_Command_poke, NULL, NULL);
1313     Jim_CreateCommand(httpstate.jim_interp, "ls", zylinjtag_Jim_Command_ls, NULL, NULL);
1314     Jim_CreateCommand(httpstate.jim_interp, "threads", zylinjtag_Jim_Command_threads, NULL, NULL);
1315     Jim_CreateCommand(httpstate.jim_interp, "getmem", zylinjtag_Jim_Command_getmem, NULL, NULL);
1316     Jim_CreateCommand(httpstate.jim_interp, "mac", zylinjtag_Jim_Command_mac, NULL, NULL);
1317     Jim_CreateCommand(httpstate.jim_interp, "ip", zylinjtag_Jim_Command_ip, NULL, NULL);
1318     Jim_CreateCommand(httpstate.jim_interp, "rm", zylinjtag_Jim_Command_rm, NULL, NULL);
1319
1320         cyg_httpd_start();
1321
1322         webRunning = true;
1323
1324         diag_printf("Web server running\n");
1325 }
1326
1327 static bool readPowerDropout()
1328 {
1329         cyg_uint32 state;
1330         // sample and clear power dropout
1331         HAL_WRITE_UINT32(0x08000010, 0x80);
1332         HAL_READ_UINT32(0x08000010, state);
1333         bool powerDropout;
1334         powerDropout = (state & 0x80) != 0;
1335         return powerDropout;
1336 }
1337
1338 bool readSRST()
1339 {
1340         cyg_uint32 state;
1341         // sample and clear SRST sensing
1342         HAL_WRITE_UINT32(0x08000010, 0x00000040);
1343         HAL_READ_UINT32(0x08000010, state);
1344         bool srstAsserted;
1345         srstAsserted = (state & 0x40) != 0;
1346         return srstAsserted;
1347 }
1348
1349 // every 300ms we check for reset & powerdropout and issue a "reset halt" if
1350 // so.
1351
1352
1353 static int sense_handler(void *priv)
1354 {
1355         struct command_context_s *cmd_ctx;
1356         cmd_ctx = (struct command_context_s *) priv;
1357
1358         static bool prevSrstAsserted = false;
1359         static bool prevPowerdropout = false;
1360
1361         bool powerDropout;
1362         powerDropout = readPowerDropout();
1363
1364         bool powerRestored;
1365         powerRestored = prevPowerdropout && !powerDropout;
1366         if (powerRestored)
1367         {
1368                 LOG_USER("Sensed power restore.");
1369         }
1370
1371         cyg_tick_count_t current = cyg_current_time();
1372         static cyg_tick_count_t lastPower = 0;
1373         bool waitMore = lastPower + 200 > current;
1374         if (powerDropout && !waitMore)
1375         {
1376                 LOG_USER("Sensed power dropout.");
1377                 lastPower = current;
1378         }
1379
1380         bool srstAsserted = readSRST();
1381
1382         bool srstDeasserted;
1383         srstDeasserted = prevSrstAsserted && !srstAsserted;
1384
1385         static cyg_tick_count_t lastSrst = 0;
1386         waitMore = lastSrst + 200 > current;
1387         if (srstDeasserted && !waitMore)
1388         {
1389                 LOG_USER("Sensed nSRST deasserted");
1390                 lastSrst = current;
1391         }
1392
1393         if (!prevSrstAsserted && srstAsserted)
1394         {
1395                 LOG_USER("Sensed nSRST asserted");
1396         }
1397
1398         prevSrstAsserted = srstAsserted;
1399         prevPowerdropout = powerDropout;
1400
1401         if (srstDeasserted || powerRestored)
1402         {
1403                 /* Other than logging the event we can't do anything here.
1404                  * Issuing a reset is a particularly bad idea as we might
1405                  * be inside a reset already.
1406                  */
1407         }
1408
1409         return ERROR_OK;
1410 }
1411
1412
1413
1414 static void
1415 print_exception_handler(cyg_addrword_t data, cyg_code_t exception, cyg_addrword_t info)
1416 {
1417         writeLog = false;
1418         serialLog = true;
1419         char *infoStr = "unknown";
1420         switch (exception)
1421         {
1422         case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
1423                 infoStr = "undefined instruction";
1424                 break;
1425         case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
1426                 infoStr = "software interrupt";
1427                 break;
1428         case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
1429                 infoStr = "abort prefetch";
1430                 break;
1431         case CYGNUM_HAL_VECTOR_ABORT_DATA:
1432                 infoStr = "abort data";
1433                 break;
1434         default:
1435                 break;
1436         }
1437
1438         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
1439
1440         diag_printf("Dumping log\n---\n");
1441         if (logCount >= logSize)
1442         {
1443                 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
1444         }
1445         diag_write(logBuffer, writePtr);
1446
1447         diag_printf("---\nLogdump complete.\n");
1448         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
1449         diag_printf("\n---\nRebooting\n");
1450         HAL_PLATFORM_RESET();
1451
1452 }
1453
1454 static void setHandler(cyg_code_t exception)
1455 {
1456         cyg_exception_handler_t *old_handler;
1457         cyg_addrword_t old_data;
1458
1459         cyg_exception_set_handler(exception,
1460         print_exception_handler,
1461         0,
1462         &old_handler,
1463         &old_data);
1464 }
1465
1466 static cyg_thread zylinjtag_uart_thread_object;
1467 static cyg_handle_t zylinjtag_uart_thread_handle;
1468 static char uart_stack[4096];
1469
1470 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
1471 static char backwardBuffer[1024];
1472
1473 static cyg_io_handle_t serial_handle;
1474
1475 void setNoDelay(int session, int flag)
1476 {
1477 #if 1
1478         // This decreases latency dramatically for e.g. GDB load which
1479         // does not have a sliding window protocol
1480         //
1481         // Can cause *lots* of TCP/IP packets to be sent and it would have
1482         // to be enabled/disabled on the fly to avoid the CPU being
1483         // overloaded...
1484         setsockopt(session, /* socket affected */
1485         IPPROTO_TCP, /* set option at TCP level */
1486         TCP_NODELAY, /* name of option */
1487         (char *) &flag, /* the cast is historical
1488          cruft */
1489         sizeof(int)); /* length of option value */
1490 #endif
1491 }
1492
1493 struct
1494 {
1495         int req;
1496         int actual;
1497         int req2;
1498         int actual2;
1499 } tcpipSent[512 * 1024];
1500 int cur;
1501
1502 static void
1503 zylinjtag_uart(cyg_addrword_t data)
1504 {
1505         int so_reuseaddr_option = 1;
1506
1507         int fd;
1508         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
1509         {
1510                 LOG_ERROR("error creating socket: %s", strerror(errno));
1511                 exit(-1);
1512         }
1513
1514         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
1515
1516         struct sockaddr_in sin;
1517         unsigned int address_size;
1518         address_size = sizeof(sin);
1519         memset(&sin, 0, sizeof(sin));
1520         sin.sin_family = AF_INET;
1521         sin.sin_addr.s_addr = INADDR_ANY;
1522         sin.sin_port = htons(5555);
1523
1524         if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
1525         {
1526                 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
1527                 exit(-1);
1528         }
1529
1530         if (listen(fd, 1) == -1)
1531         {
1532                 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
1533                 exit(-1);
1534         }
1535         //      socket_nonblock(fd);
1536
1537
1538         for (;;)
1539         {
1540                 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
1541                 if (session < 0)
1542                 {
1543                         continue;
1544                 }
1545
1546                 setNoDelay(session, 1);
1547                 int oldopts = fcntl(session, F_GETFL, 0);
1548                 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
1549
1550                 int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
1551                 if (serHandle < 0)
1552                 {
1553                         close(session);
1554                         continue;
1555                 }
1556
1557                 start_profile();
1558                 int actual = 0;
1559                 int actual2 = 0;
1560                 int pos, pos2;
1561                 pos = 0;
1562                 pos2 = 0;
1563                 cur = 0;
1564                 for (;;)
1565                 {
1566                         fd_set write_fds;
1567                         fd_set read_fds;
1568                         FD_ZERO(&write_fds);
1569                         FD_ZERO(&read_fds);
1570                         int fd_max = -1;
1571                         FD_SET(session, &read_fds);
1572                         fd_max = session;
1573                         FD_SET(serHandle, &read_fds);
1574                         if (serHandle > fd_max)
1575                         {
1576                                 fd_max = serHandle;
1577                         }
1578                         /* Wait... */
1579
1580                         cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
1581                         if ((actual == 0) && (actual2 == 0))
1582                         {
1583                                 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
1584                                 if (retval <= 0)
1585                                 {
1586                                         break;
1587                                 }
1588                         }
1589
1590                         if (actual2 <= 0)
1591                         {
1592                                 memset(backwardBuffer, 's', sizeof(backwardBuffer));
1593                                 actual2=read(serHandle, backwardBuffer, sizeof(backwardBuffer));
1594                                 if (actual2 < 0)
1595                                 {
1596                                         if (errno != EAGAIN)
1597                                         {
1598                                                 goto closeSession;
1599                                         }
1600                                         actual2 = 0;
1601                                 }
1602                                 pos2 = 0;
1603                         }
1604
1605                         int x = actual2;
1606                         int y = 0;
1607                         if (actual2 > 0)
1608                         {
1609                                 int written = write(session, backwardBuffer + pos2, actual2);
1610                                 if (written <= 0)
1611                                         goto closeSession;
1612                                 actual2 -= written;
1613                                 pos2 += written;
1614                                 y = written;
1615                         }
1616
1617                         if (FD_ISSET(session, &read_fds)&&(sizeof(forwardBuffer)>actual))
1618                         {
1619                                 // NB! Here it is important that we empty the TCP/IP read buffer
1620                                 // to make transmission tick right
1621                                 memmove(forwardBuffer, forwardBuffer + pos, actual);
1622                                 pos = 0;
1623                                 int t;
1624                                 // this will block if there is no data at all
1625                                 t=read_socket(session, forwardBuffer+actual, sizeof(forwardBuffer)-actual);
1626                                 if (t <= 0)
1627                                 {
1628                                         goto closeSession;
1629                                 }
1630                                 actual += t;
1631                         }
1632
1633                         int x2 = actual;
1634                         int y2 = 0;
1635                         if (actual > 0)
1636                         {
1637                                 /* Do not put things into the serial buffer if it has something to send
1638                                  * as that can cause a single byte to be sent at the time.
1639                                  *
1640                                  *
1641                                  */
1642                                 int written = write(serHandle, forwardBuffer + pos, actual);
1643                                 if (written < 0)
1644                                 {
1645                                         if (errno != EAGAIN)
1646                                         {
1647                                                 goto closeSession;
1648                                         }
1649                                         // The serial buffer is full
1650                                         written = 0;
1651                                 } else
1652                                 {
1653                                         actual -= written;
1654                                         pos += written;
1655                                 }
1656                                 y2 = written;
1657                         }
1658                         if (cur < 1024)
1659                         {
1660                                 tcpipSent[cur].req = x;
1661                                 tcpipSent[cur].actual = y;
1662                                 tcpipSent[cur].req2 = x2;
1663                                 tcpipSent[cur].actual2 = y2;
1664                                 cur++;
1665                         }
1666
1667                 }
1668             closeSession:
1669             close(session);
1670                 close(serHandle);
1671
1672                 int i;
1673                 for (i = 0; i < 1024; i++)
1674                 {
1675                 diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual, tcpipSent[i].req2, tcpipSent[i].actual2);
1676
1677                 }
1678         }
1679         close(fd);
1680
1681 }
1682
1683 void startUart(void)
1684 {
1685     cyg_thread_create(1,
1686                       zylinjtag_uart,
1687                       (cyg_addrword_t)0,
1688                       "uart thread",
1689                       (void *)uart_stack,
1690                       sizeof(uart_stack),
1691                       &zylinjtag_uart_thread_handle,
1692                       &zylinjtag_uart_thread_object);
1693         cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
1694         cyg_thread_resume(zylinjtag_uart_thread_handle);
1695 }
1696
1697
1698
1699 int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1700 {
1701         if (argc != 1)
1702         {
1703                 command_print(cmd_ctx, "usage: uart <baudrate>");
1704                 return ERROR_INVALID_ARGUMENTS;
1705         }
1706
1707         int baud = atol(args[0]);
1708
1709         switch (baud)
1710         {
1711         case 9600:
1712                 baud = CYGNUM_SERIAL_BAUD_9600;
1713                 break;
1714         case 19200:
1715                 baud = CYGNUM_SERIAL_BAUD_19200;
1716                 break;
1717         case 38400:
1718                 baud = CYGNUM_SERIAL_BAUD_38400;
1719                 break;
1720         case 57600:
1721                 baud = CYGNUM_SERIAL_BAUD_57600;
1722                 break;
1723         case 115200:
1724                 baud = CYGNUM_SERIAL_BAUD_115200;
1725                 break;
1726         case 230400:
1727                 baud = CYGNUM_SERIAL_BAUD_230400;
1728                 break;
1729         default:
1730                 command_print(cmd_ctx, "unsupported baudrate");
1731                 return ERROR_INVALID_ARGUMENTS;
1732         }
1733
1734         cyg_serial_info_t buf;
1735         cyg_uint32 len = 1;
1736         //get existing serial configuration
1737         len = sizeof(cyg_serial_info_t);
1738         int err;
1739         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
1740         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf, &len);
1741         if (err != ENOERR)
1742         {
1743                 command_print(cmd_ctx, "Failed to get serial port settings %d", err);
1744                 return ERROR_OK;
1745         }
1746         buf.baud = baud;
1747
1748         err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf, &len);
1749         if (err != ENOERR)
1750         {
1751                 command_print(cmd_ctx, "Failed to set serial port settings %d", err);
1752                 return ERROR_OK;
1753         }
1754
1755         return ERROR_OK;
1756 }
1757
1758 bool logAllToSerial = false;
1759
1760 /* boolean parameter stored on config */
1761 bool boolParam(char *var)
1762 {
1763         bool result = false;
1764         char *name = alloc_printf(ZYLIN_CONFIG_DIR "/%s", var);
1765         if (name == NULL)
1766                 return result;
1767
1768         void *data;
1769         int len;
1770         if (loadFile(name, &data, &len) == ERROR_OK)
1771         {
1772                 if (len > 1)
1773                         len = 1;
1774                 result = strncmp((char *) data, "1", len) == 0;
1775                 free(data);
1776         }
1777         free(name);
1778         return result;
1779 }
1780
1781 command_context_t *setup_command_handler();
1782
1783 int add_default_dirs(void)
1784 {
1785         add_script_search_dir(ZYLIN_CONFIG_DIR);
1786         add_script_search_dir("/rom/lib/openocd");
1787         add_script_search_dir("/rom");
1788         return ERROR_OK;
1789 }
1790
1791 int main(int argc, char *argv[])
1792 {
1793         setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
1794         setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
1795         setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
1796
1797         int err;
1798         err = cyg_io_lookup("/dev/ser0", &serial_handle);
1799         if (err != ENOERR)
1800         {
1801                 diag_printf("/dev/ser0 not found\n");
1802                 reboot();
1803         }
1804
1805         setPower(true); // on by default
1806
1807         atexit(keep_webserver);
1808
1809         err = mount("", "/ram", "ramfs");
1810         if (err < 0)
1811         {
1812                 diag_printf("unable to mount ramfs\n");
1813         }
1814         chdir("/ram");
1815
1816         char address[16];
1817         sprintf(address, "%p", &filedata[0]);
1818         err = mount(address, "/rom", "romfs");
1819         if (err < 0)
1820         {
1821                 diag_printf("unable to mount /rom\n");
1822         }
1823
1824         err = mount("", "/log", "logfs");
1825         if (err < 0)
1826         {
1827                 diag_printf("unable to mount logfs\n");
1828         }
1829
1830         err = mount("", "/tftp", "tftpfs");
1831         if (err < 0)
1832         {
1833                 diag_printf("unable to mount logfs\n");
1834         }
1835
1836         log = fopen("/log/log", "w");
1837         if (log == NULL)
1838         {
1839                 diag_printf("Could not open log file /ram/log\n");
1840                 exit(-1);
1841         }
1842
1843         diag_init_putc(_zylinjtag_diag_write_char);
1844
1845         // We want this in the log.
1846         diag_printf("Zylin ZY1000. Copyright Zylin AS 2007-2008.\n");
1847         diag_printf("%s\n", ZYLIN_OPENOCD_VERSION);
1848
1849         copydir("/rom/");
1850
1851         err = mount("/dev/flash1", "/config", "jffs2");
1852         if (err < 0)
1853         {
1854                 diag_printf("unable to mount jffs\n");
1855         }
1856
1857
1858         mkdir(ZYLIN_CONFIG_DIR, 0777);
1859         mkdir(ZYLIN_CONFIG_DIR "/target", 0777);
1860         mkdir(ZYLIN_CONFIG_DIR "/event", 0777);
1861
1862         logAllToSerial = boolParam("logserial");
1863
1864         // We need the network & web server in case there is something wrong with
1865         // the config files that invoke exit()
1866         zylinjtag_startNetwork();
1867
1868         /* we're going to access the jim interpreter from here on... */
1869         openocd_sleep_postlude();
1870         startUart();
1871
1872         add_default_dirs();
1873
1874         /* initialize commandline interface */
1875         command_context_t *cmd_ctx;
1876         cmd_ctx = setup_command_handler();
1877         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1878         command_context_mode(cmd_ctx, COMMAND_CONFIG);
1879
1880
1881         register_command(cmd_ctx, NULL, "zy1000_version", handle_zy1000_version_command,
1882                         COMMAND_EXEC, "show zy1000 version numbers");
1883
1884         register_command(cmd_ctx, NULL, "rm", handle_rm_command, COMMAND_ANY,
1885                         "rm <filname>");
1886
1887         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1888                         "same args as load_image, image stored in memory");
1889
1890         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1891                         "loads active fast load image to current target");
1892
1893         register_command(cmd_ctx, NULL, "cat", handle_cat_command, COMMAND_ANY,
1894                         "cat <filname>");
1895
1896         register_command(cmd_ctx, NULL, "trunc", handle_trunc_command, COMMAND_ANY,
1897                         "trunc <filname>");
1898
1899         register_command(cmd_ctx, NULL, "append_file", handle_append_command,
1900                         COMMAND_ANY, "append <filname>");
1901
1902         register_command(cmd_ctx, NULL, "power", handle_power_command, COMMAND_ANY,
1903                         "power <on/off> - turn power switch to target on/off. No arguments - print status.");
1904
1905         register_command(cmd_ctx, NULL, "meminfo", handle_meminfo_command,
1906                         COMMAND_ANY, "meminfo");
1907
1908         register_command(cmd_ctx, NULL, "cp", handle_cp_command,
1909                                          COMMAND_ANY, "cp <from> <to>");
1910
1911 #ifdef CYGPKG_PROFILE_GPROF
1912         register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1913                         COMMAND_ANY, NULL);
1914 #endif
1915         register_command(cmd_ctx, NULL, "uart", handle_uart_command,
1916                                          COMMAND_ANY, "uart <baud>  - forward uart on port 5555");
1917
1918
1919         int errVal;
1920         errVal = log_init(cmd_ctx);
1921         if (errVal != ERROR_OK)
1922         {
1923                 diag_printf("log_init() failed %d\n", errVal);
1924                 exit(-1);
1925         }
1926
1927         set_log_output(cmd_ctx, log);
1928
1929         LOG_DEBUG("log init complete");
1930
1931         //      diag_printf("Executing config files\n");
1932
1933         if (logAllToSerial)
1934         {
1935                 diag_printf(ZYLIN_CONFIG_DIR "/logserial=1 => sending log output to serial port using \"debug_level 3\" as default.\n");
1936                 command_run_line(cmd_ctx, "debug_level 3");
1937         }
1938
1939         zylinjtag_parse_config_file(cmd_ctx, "/rom/openocd.cfg");
1940
1941         target_register_timer_callback(sense_handler, 200, 1, cmd_ctx);
1942
1943         // FIX!!!  Yuk!
1944         // diag_printf() is really invoked from many more places than we trust it
1945         // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1946         //
1947         // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1948         // fingers that it doesn't cause any crashes.
1949         diag_printf("Init complete, GDB & telnet servers launched.\n");
1950         command_set_output_handler(cmd_ctx, zy1000_configuration_output_handler_log, NULL);
1951         if (!logAllToSerial)
1952         {
1953                 serialLog = false;
1954         }
1955
1956         /* handle network connections */
1957         server_loop(cmd_ctx);
1958         openocd_sleep_prelude();
1959
1960         /* shut server down */
1961         server_quit();
1962
1963         /* free commandline interface */
1964         command_done(cmd_ctx);
1965         umount("/config");
1966
1967         exit(0);
1968         for (;;);
1969 }
1970
1971
1972
1973 cyg_int32
1974 cyg_httpd_exec_cgi_tcl(char *file_name);
1975 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1976 {
1977         cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1978         return 0;
1979 }
1980
1981 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1982
1983 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1984 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1985
1986 #include <pkgconf/system.h>
1987 #include <pkgconf/hal.h>
1988 #include <pkgconf/kernel.h>
1989 #include <pkgconf/io_fileio.h>
1990 #include <pkgconf/fs_rom.h>
1991
1992 #include <cyg/kernel/ktypes.h>         // base kernel types
1993 #include <cyg/infra/cyg_trac.h>        // tracing macros
1994 #include <cyg/infra/cyg_ass.h>         // assertion macros
1995 #include <unistd.h>
1996 #include <sys/types.h>
1997 #include <fcntl.h>
1998 #include <sys/stat.h>
1999 #include <errno.h>
2000 #include <dirent.h>
2001
2002 #include <stdarg.h>
2003 #include <stdio.h>
2004 #include <stdlib.h>
2005 #include <string.h>
2006
2007 #include <cyg/fileio/fileio.h>
2008
2009 #include <cyg/kernel/kapi.h>
2010 #include <cyg/infra/diag.h>
2011
2012 //==========================================================================
2013 // Eventually we want to eXecute In Place from the ROM in a protected
2014 // environment, so we'll need executables to be aligned to a boundary
2015 // suitable for MMU protection. A suitable boundary would be the 4k
2016 // boundary in all the CPU architectures I am currently aware of.
2017
2018 // Forward definitions
2019
2020 // Filesystem operations
2021 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
2022 static int tftpfs_umount(cyg_mtab_entry *mte);
2023 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2024                 int mode, cyg_file *fte);
2025 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
2026 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
2027
2028 // File operations
2029 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
2030 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
2031 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
2032
2033 //==========================================================================
2034 // Filesystem table entries
2035
2036 // -------------------------------------------------------------------------
2037 // Fstab entry.
2038 // This defines the entry in the filesystem table.
2039 // For simplicity we use _FILESYSTEM synchronization for all accesses since
2040 // we should never block in any filesystem operations.
2041 #if 1
2042 FSTAB_ENTRY( tftpfs_fste, "tftpfs", 0,
2043                 CYG_SYNCMODE_NONE,
2044                 tftpfs_mount,
2045                 tftpfs_umount,
2046                 tftpfs_open,
2047                 (cyg_fsop_unlink *)cyg_fileio_erofs,
2048                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
2049                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
2050                 (cyg_fsop_rename *)cyg_fileio_erofs,
2051                 (cyg_fsop_link *)cyg_fileio_erofs,
2052                 (cyg_fsop_opendir *)cyg_fileio_erofs,
2053                 (cyg_fsop_chdir *)cyg_fileio_erofs,
2054                 (cyg_fsop_stat *)cyg_fileio_erofs,
2055                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
2056                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
2057 #endif
2058
2059 // -------------------------------------------------------------------------
2060 // mtab entry.
2061 // This defines a single ROMFS loaded into ROM at the configured address
2062 //
2063 // MTAB_ENTRY(  rom_mte,        // structure name
2064 //              "/rom",         // mount point
2065 //              "romfs",        // FIlesystem type
2066 //              "",             // hardware device
2067 //  (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS   // Address in ROM
2068 //           );
2069
2070
2071 // -------------------------------------------------------------------------
2072 // File operations.
2073 // This set of file operations are used for normal open files.
2074
2075 static cyg_fileops tftpfs_fileops =
2076 {
2077         tftpfs_fo_read,
2078         tftpfs_fo_write,
2079         tftpfs_fo_lseek,
2080         (cyg_fileop_ioctl *)cyg_fileio_erofs,
2081     cyg_fileio_seltrue,
2082     tftpfs_fo_fsync,
2083     tftpfs_fo_close,
2084                 (cyg_fileop_fstat *) cyg_fileio_erofs,
2085                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
2086         (cyg_fileop_setinfo *)cyg_fileio_erofs,
2087 };
2088
2089 // -------------------------------------------------------------------------
2090 // tftpfs_mount()
2091 // Process a mount request. This mainly finds root for the
2092 // filesystem.
2093
2094 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
2095 {
2096         return ENOERR;
2097 }
2098
2099 static int tftpfs_umount(cyg_mtab_entry *mte)
2100 {
2101         return ENOERR;
2102 }
2103
2104 struct Tftp
2105 {
2106         int write;
2107         int readFile;
2108         cyg_uint8 *mem;
2109         int actual;
2110         char *server;
2111         char *file;
2112 };
2113
2114 static void freeTftp(struct Tftp *t)
2115 {
2116         if (t == NULL)
2117                 return;
2118         if (t->mem)
2119                 free(t->mem);
2120         if (t->server)
2121                 free(t->server);
2122         if (t->file)
2123                 free(t->file);
2124         free(t);
2125 }
2126
2127 static const int tftpMaxSize = 8192 * 1024;
2128 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2129                 int mode, cyg_file *file)
2130 {
2131         struct Tftp *tftp;
2132         tftp = malloc(sizeof(struct Tftp));
2133         if (tftp == NULL)
2134                 return EMFILE;
2135         memset(tftp, 0, sizeof(struct Tftp));
2136
2137         file->f_flag |= mode & CYG_FILE_MODE_MASK;
2138         file->f_type = CYG_FILE_TYPE_FILE;
2139         file->f_ops = &tftpfs_fileops;
2140         file->f_offset = 0;
2141         file->f_data = 0;
2142         file->f_xops = 0;
2143
2144         tftp->mem = malloc(tftpMaxSize);
2145         if (tftp->mem == NULL)
2146         {
2147                 freeTftp(tftp);
2148                 return EMFILE;
2149         }
2150
2151         char *server = strchr(name, '/');
2152         if (server == NULL)
2153         {
2154                 freeTftp(tftp);
2155                 return EMFILE;
2156         }
2157
2158         tftp->server = malloc(server - name + 1);
2159         if (tftp->server == NULL)
2160         {
2161                 freeTftp(tftp);
2162                 return EMFILE;
2163         }
2164         strncpy(tftp->server, name, server - name);
2165         tftp->server[server - name] = 0;
2166
2167         tftp->file = strdup(server + 1);
2168         if (tftp->file == NULL)
2169         {
2170                 freeTftp(tftp);
2171                 return EMFILE;
2172         }
2173
2174         file->f_data = (CYG_ADDRWORD) tftp;
2175
2176         return ENOERR;
2177 }
2178
2179 static int fetchTftp(struct Tftp *tftp)
2180 {
2181         if (!tftp->readFile)
2182         {
2183                 int err;
2184             tftp->actual = tftp_client_get( tftp->file, tftp->server, 0, tftp->mem, tftpMaxSize,   TFTP_OCTET, &err);
2185
2186                 if (tftp->actual < 0)
2187                 {
2188                         return EMFILE;
2189                 }
2190                 tftp->readFile = 1;
2191         }
2192         return ENOERR;
2193 }
2194
2195 // -------------------------------------------------------------------------
2196 // tftpfs_fo_write()
2197 // Read data from file.
2198
2199 static int
2200 tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
2201 {
2202         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2203
2204         if (fetchTftp(tftp) != ENOERR)
2205                 return EMFILE;
2206
2207         int i;
2208         off_t pos = fp->f_offset;
2209         int resid = 0;
2210         for (i = 0; i < uio->uio_iovcnt; i++)
2211         {
2212                 cyg_iovec *iov = &uio->uio_iov[i];
2213                 char *buf = (char *) iov->iov_base;
2214                 off_t len = iov->iov_len;
2215
2216                 if (len + pos > tftp->actual)
2217                 {
2218                         len = tftp->actual - pos;
2219                 }
2220                 resid += iov->iov_len - len;
2221
2222                 memcpy(buf, tftp->mem + pos, len);
2223                 pos += len;
2224
2225         }
2226         uio->uio_resid = resid;
2227         fp->f_offset = pos;
2228
2229         return ENOERR;
2230 }
2231
2232
2233 static int
2234 tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
2235 {
2236         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2237
2238         int i;
2239         off_t pos = fp->f_offset;
2240         int resid = 0;
2241         for (i = 0; i < uio->uio_iovcnt; i++)
2242         {
2243                 cyg_iovec *iov = &uio->uio_iov[i];
2244                 char *buf = (char *) iov->iov_base;
2245                 off_t len = iov->iov_len;
2246
2247                 if (len + pos > tftpMaxSize)
2248                 {
2249                         len = tftpMaxSize - pos;
2250                 }
2251                 resid += iov->iov_len - len;
2252
2253                 memcpy(tftp->mem + pos, buf, len);
2254                 pos += len;
2255
2256         }
2257         uio->uio_resid = resid;
2258         fp->f_offset = pos;
2259
2260         tftp->write = 1;
2261
2262         return ENOERR;
2263 }
2264
2265 static int
2266 tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
2267 {
2268         int error = ENOERR;
2269         return error;
2270 }
2271
2272 // -------------------------------------------------------------------------
2273 // romfs_fo_close()
2274 // Close a file. We just clear out the data pointer.
2275
2276 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
2277 {
2278         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2279         int error = ENOERR;
2280
2281         if (tftp->write)
2282         {
2283             tftp_client_put( tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,   TFTP_OCTET, &error);
2284         }
2285
2286         freeTftp(tftp);
2287         fp->f_data = 0;
2288         return error;
2289 }
2290
2291 // -------------------------------------------------------------------------
2292 // romfs_fo_lseek()
2293 // Seek to a new file position.
2294
2295 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
2296 {
2297         struct Tftp *tftp = (struct Tftp *) fp->f_data;
2298         off_t pos = *apos;
2299
2300         if (fetchTftp(tftp) != ENOERR)
2301                 return EMFILE;
2302
2303         switch (whence)
2304         {
2305         case SEEK_SET:
2306                 // Pos is already where we want to be.
2307                 break;
2308
2309         case SEEK_CUR:
2310                 // Add pos to current offset.
2311                 pos += fp->f_offset;
2312                 break;
2313
2314         case SEEK_END:
2315                 // Add pos to file size.
2316                 pos += tftp->actual;
2317                 break;
2318
2319         default:
2320                 return EINVAL;
2321         }
2322
2323         // Check that pos is still within current file size, or at the
2324         // very end.
2325         if (pos < 0 || pos > tftp->actual)
2326                 return EINVAL;
2327
2328         // All OK, set fp offset and return new position.
2329         *apos = fp->f_offset = pos;
2330
2331         return ENOERR;
2332 }
2333
2334 void usleep(int us)
2335 {
2336         if (us > 10000)
2337                 cyg_thread_delay(us / 10000 + 1);
2338         else
2339                 HAL_DELAY_US(us);
2340 }
2341
2342 // Chunked version.
2343 cyg_int32
2344 show_log_entry(CYG_HTTPD_STATE *phttpstate)
2345 {
2346         cyg_httpd_start_chunked("text");
2347         if (logCount >= logSize)
2348         {
2349         cyg_httpd_write_chunked(logBuffer+logCount%logSize, logSize-logCount%logSize);
2350         }
2351         cyg_httpd_write_chunked(logBuffer, writePtr);
2352         cyg_httpd_end_chunked();
2353         return -1;
2354 }
2355
2356 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
2357
2358 // Filesystem operations
2359 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
2360 static int logfs_umount(cyg_mtab_entry *mte);
2361 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2362                 int mode, cyg_file *fte);
2363 static int
2364 logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
2365
2366 // File operations
2367 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
2368 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
2369
2370 //==========================================================================
2371 // Filesystem table entries
2372
2373 // -------------------------------------------------------------------------
2374 // Fstab entry.
2375 // This defines the entry in the filesystem table.
2376 // For simplicity we use _FILESYSTEM synchronization for all accesses since
2377 // we should never block in any filesystem operations.
2378 FSTAB_ENTRY( logfs_fste, "logfs", 0,
2379                 CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM,
2380                 logfs_mount,
2381                 logfs_umount,
2382                 logfs_open,
2383                 (cyg_fsop_unlink *)cyg_fileio_erofs,
2384                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
2385                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
2386                 (cyg_fsop_rename *)cyg_fileio_erofs,
2387                 (cyg_fsop_link *)cyg_fileio_erofs,
2388                 (cyg_fsop_opendir *)cyg_fileio_erofs,
2389                 (cyg_fsop_chdir *)cyg_fileio_erofs,
2390                 (cyg_fsop_stat *)cyg_fileio_erofs,
2391                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
2392                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
2393
2394 // -------------------------------------------------------------------------
2395 // File operations.
2396 // This set of file operations are used for normal open files.
2397
2398 static cyg_fileops logfs_fileops =
2399 {
2400         (cyg_fileop_read *)cyg_fileio_erofs,
2401     (cyg_fileop_write *)logfs_fo_write,
2402                 (cyg_fileop_lseek *) cyg_fileio_erofs,
2403         (cyg_fileop_ioctl *)cyg_fileio_erofs,
2404     cyg_fileio_seltrue,
2405     logfs_fo_fsync,
2406     logfs_fo_close,
2407         (cyg_fileop_fstat *)cyg_fileio_erofs,
2408                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
2409         (cyg_fileop_setinfo *)cyg_fileio_erofs,
2410 };
2411
2412 // -------------------------------------------------------------------------
2413 // logfs_mount()
2414 // Process a mount request. This mainly finds root for the
2415 // filesystem.
2416
2417 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
2418 {
2419         return ENOERR;
2420 }
2421
2422 static int logfs_umount(cyg_mtab_entry *mte)
2423 {
2424         return ENOERR;
2425 }
2426
2427 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
2428                 int mode, cyg_file *file)
2429 {
2430         file->f_flag |= mode & CYG_FILE_MODE_MASK;
2431         file->f_type = CYG_FILE_TYPE_FILE;
2432         file->f_ops = &logfs_fileops;
2433         file->f_offset = 0;
2434         file->f_data = 0;
2435         file->f_xops = 0;
2436         return ENOERR;
2437 }
2438
2439 // -------------------------------------------------------------------------
2440 // logfs_fo_write()
2441 // Write data to file.
2442
2443 static int
2444 logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
2445 {
2446         int i;
2447         for (i = 0; i < uio->uio_iovcnt; i++)
2448         {
2449                 cyg_iovec *iov = &uio->uio_iov[i];
2450                 char *buf = (char *) iov->iov_base;
2451                 off_t len = iov->iov_len;
2452
2453                 diag_write(buf, len);
2454         }
2455         uio->uio_resid = 0;
2456
2457         return ENOERR;
2458 }
2459 static int
2460 logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
2461 {
2462         return ENOERR;
2463 }
2464
2465 // -------------------------------------------------------------------------
2466 // romfs_fo_close()
2467 // Close a file. We just clear out the data pointer.
2468
2469 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
2470 {
2471         return ENOERR;
2472 }