git.sur5r.net Git - openocd/blob - src/ecosboard.c

   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 "svf.h"
  30 #include "target.h"
  31 #include "flash.h"
  32 #include "nand.h"
  33 #include "pld.h"
  34
  35 #include "command.h"
  36 #include "server.h"
  37 #include "telnet_server.h"
  38 #include "gdb_server.h"
  39
  40 #include <time_support.h>
  41 #include <sys/time.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <string.h>
  45 #include <unistd.h>
  46 #include <errno.h>
  47
  48 #include <cyg/io/flash.h>
  49 #include <pkgconf/fs_jffs2.h>   // Address of JFFS2
  50 #include <network.h>
  51
  52 #include <fcntl.h>
  53 #include <sys/stat.h>
  54 #include <cyg/fileio/fileio.h>
  55 #include <dirent.h>
  56 #include <cyg/athttpd/http.h>
  57 #include <cyg/athttpd/socket.h>
  58 #include <cyg/athttpd/handler.h>
  59 #include <cyg/athttpd/cgi.h>
  60 #include <cyg/athttpd/forms.h>
  61 #include <cyg/discover/discover.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
  86
  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
 102 void diag_write(char *buf, int len)
 103 {
 104         int j;
 105         for (j = 0; j < len; j++)
 106         {
 107                 diag_printf("%c", buf[j]);
 108         }
 109 }
 110
 111 static bool serialLog = true;
 112 static bool writeLog = true;
 113
 114 char hwaddr[512];
 115
 116
 117 extern flash_driver_t *flash_drivers[];
 118 extern target_type_t *target_types[];
 119
 120 #ifdef CYGPKG_PROFILE_GPROF
 121 #include <cyg/profile/profile.h>
 122
 123 extern char _stext, _etext; // Defined by the linker
 124
 125 static char *start_of_code=&_stext;
 126 static char *end_of_code=&_etext;
 127
 128 void start_profile(void)
 129 {
 130         // This starts up the system-wide profiling, gathering
 131         // profile information on all of the code, with a 16 byte
 132         // "bucket" size, at a rate of 100us/profile hit.
 133         // Note: a bucket size of 16 will give pretty good function
 134         //       resolution.  Much smaller and the buffer becomes
 135         //       much too large for very little gain.
 136         // Note: a timer period of 100us is also a reasonable
 137         //       compromise.  Any smaller and the overhead of
 138         //       handling the timter (profile) interrupt could
 139         //       swamp the system.  A fast processor might get
 140         //       by with a smaller value, but a slow one could
 141         //       even be swamped by this value.  If the value is
 142         //       too large, the usefulness of the profile is reduced.
 143
 144         // no more interrupts than 1/10ms.
 145         //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
 146         //      profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
 147         profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
 148 }
 149 #endif
 150
 151 static FILE *log;
 152
 153 static char reboot_stack[2048];
 154
 155 static void zylinjtag_reboot(cyg_addrword_t data)
 156 {
 157         serialLog = true;
 158         diag_printf("Rebooting in 500 ticks..\n");
 159         cyg_thread_delay(500);
 160         diag_printf("Unmounting /config..\n");
 161         umount("/config");
 162         diag_printf("Rebooting..\n");
 163         HAL_PLATFORM_RESET();
 164 }
 165 static cyg_thread zylinjtag_thread_object;
 166 static cyg_handle_t zylinjtag_thread_handle;
 167
 168 void reboot(void)
 169 {
 170         cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
 171                         (void *) reboot_stack, sizeof(reboot_stack),
 172                         &zylinjtag_thread_handle, &zylinjtag_thread_object);
 173         cyg_thread_resume(zylinjtag_thread_handle);
 174 }
 175
 176 static char zylinjtag_reboot_port_stack[2048];
 177 static cyg_thread zylinjtag_reboot_port_thread_object;
 178 static cyg_handle_t zylinjtag_reboot_port_thread_handle;
 179
 180 static void zylinjtag_reboot_port_task(cyg_addrword_t data)
 181 {
 182         int so_reuseaddr_option = 1;
 183
 184         int fd;
 185         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
 186         {
 187                 LOG_ERROR("error creating socket: %s", strerror(errno));
 188                 exit(-1);
 189         }
 190
 191         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
 192                         sizeof(int));
 193
 194         struct sockaddr_in sin;
 195         unsigned int address_size;
 196         address_size = sizeof(sin);
 197         memset(&sin, 0, sizeof(sin));
 198         sin.sin_family = AF_INET;
 199         sin.sin_addr.s_addr = INADDR_ANY;
 200         sin.sin_port = htons(1234);
 201
 202         if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
 203         {
 204                 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
 205                 exit(-1);
 206         }
 207
 208         if (listen(fd, 1) == -1)
 209         {
 210                 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
 211                 exit(-1);
 212         }
 213         //      socket_nonblock(fd);
 214
 215
 216         accept(fd, (struct sockaddr *) &sin, &address_size);
 217
 218         diag_printf("Got reboot signal on port 1234");
 219
 220         reboot();
 221
 222 }
 223
 224 void reboot_port(void)
 225 {
 226         cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
 227                         (void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
 228                         &zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
 229         cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
 230 }
 231
 232 int configuration_output_handler(struct command_context_s *context,
 233                 const char* line)
 234 {
 235         diag_printf("%s", line);
 236
 237         return ERROR_OK;
 238 }
 239
 240 int zy1000_configuration_output_handler_log(struct command_context_s *context,
 241                 const char* line)
 242 {
 243         LOG_USER_N("%s", line);
 244
 245         return ERROR_OK;
 246 }
 247
 248 #ifdef CYGPKG_PROFILE_GPROF
 249
 250 int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 251 {
 252         command_print(cmd_ctx, "Profiling started");
 253         start_profile();
 254         return ERROR_OK;
 255 }
 256
 257 #endif
 258
 259 externC void phi_init_all_network_interfaces(void);
 260
 261 command_context_t *cmd_ctx;
 262
 263 static bool webRunning = false;
 264
 265 void keep_webserver(void)
 266 {
 267         // Target initialisation is only attempted at startup, so we sleep forever and
 268         // let the http server bail us out(i.e. get config files set up).
 269         diag_printf("OpenOCD has invoked exit().\n"
 270                 "Use web server to correct any configuration settings and reboot.\n");
 271         if (!webRunning)
 272                 reboot();
 273
 274         // exit() will terminate the current thread and we we'll then sleep eternally or
 275         // we'll have a reboot scheduled.
 276 }
 277
 278 extern void printDccChar(char c);
 279
 280 static char logBuffer[128 * 1024];
 281 static const int logSize = sizeof(logBuffer);
 282 int writePtr = 0;
 283 int logCount = 0;
 284
 285 void _zylinjtag_diag_write_char(char c, void **param)
 286 {
 287         if (writeLog)
 288         {
 289                 logBuffer[writePtr] = c;
 290                 writePtr = (writePtr + 1) % logSize;
 291                 logCount++;
 292         }
 293         if (serialLog)
 294         {
 295                 if (c == '\n')
 296                 {
 297                         HAL_DIAG_WRITE_CHAR('\r');
 298                 }
 299                 HAL_DIAG_WRITE_CHAR(c);
 300         }
 301
 302 #ifdef CYGPKG_HAL_ZYLIN_PHI
 303         printDccChar(c);
 304 #endif
 305 }
 306
 307 void copyfile(char *name2, char *name1);
 308
 309 void copydir(char *name, char *destdir);
 310
 311 #if 0
 312 MTAB_ENTRY(romfs_mte1,
 313                 "/rom",
 314                 "romfs",
 315                 "",
 316                 (CYG_ADDRWORD) &filedata[0]);
 317 #endif
 318
 319 void openocd_sleep_prelude(void)
 320 {
 321         cyg_mutex_unlock(&httpstate.jim_lock);
 322 }
 323
 324 void openocd_sleep_postlude(void)
 325 {
 326         cyg_mutex_lock(&httpstate.jim_lock);
 327 }
 328
 329 void format(void)
 330 {
 331 #ifdef CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1
 332         diag_printf("Formatting JFFS2...\n");
 333
 334         cyg_io_handle_t handle;
 335
 336         Cyg_ErrNo err;
 337         err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
 338         if (err != ENOERR)
 339         {
 340                 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
 341                 reboot();
 342         }
 343
 344         cyg_uint32 len;
 345         cyg_io_flash_getconfig_devsize_t ds;
 346         len = sizeof(ds);
 347         err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
 348         if (err != ENOERR)
 349         {
 350                 diag_printf("Flash error cyg_io_get_config %d\n", err);
 351                 reboot();
 352         }
 353
 354         cyg_io_flash_getconfig_erase_t e;
 355         len = sizeof(e);
 356
 357         e.offset = 0;
 358         e.len = ds.dev_size;
 359
 360         diag_printf("Formatting 0x%08x bytes\n", (int)ds.dev_size);
 361         err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
 362         if (err != ENOERR)
 363         {
 364                 diag_printf("Flash erase error %d offset 0x%08x\n", err, e.err_address);
 365                 reboot();
 366         }
 367
 368         diag_printf("Flash formatted successfully\n");
 369 #endif
 370
 371         reboot();
 372 }
 373
 374 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
 375                 Jim_Obj * const *argv)
 376 {
 377         if (argc != 1)
 378         {
 379                 return JIM_ERR;
 380         }
 381
 382         format();
 383         for (;;)
 384                 ;
 385 }
 386
 387 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
 388                 Jim_Obj * const *argv)
 389 {
 390         cyg_handle_t thread = 0;
 391         cyg_uint16 id = 0;
 392         Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
 393
 394         /* Loop over the threads, and generate a table row for
 395          * each.
 396          */
 397         while (cyg_thread_get_next(&thread, &id))
 398         {
 399                 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
 400
 401                 cyg_thread_info info;
 402                 char *state_string;
 403
 404                 cyg_thread_get_info(thread, id, &info);
 405
 406                 if (info.name == NULL)
 407                         info.name = "<no name>";
 408
 409                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 410                                 info.name, strlen(info.name)));
 411
 412                 /* Translate the state into a string.
 413                  */
 414                 if (info.state == 0)
 415                         state_string = "RUN";
 416                 else if (info.state & 0x04)
 417                         state_string = "SUSP";
 418                 else
 419                         switch (info.state & 0x1b)
 420                         {
 421                         case 0x01:
 422                                 state_string = "SLEEP";
 423                                 break;
 424                         case 0x02:
 425                                 state_string = "CNTSLEEP";
 426                                 break;
 427                         case 0x08:
 428                                 state_string = "CREATE";
 429                                 break;
 430                         case 0x10:
 431                                 state_string = "EXIT";
 432                                 break;
 433                         default:
 434                                 state_string = "????";
 435                                 break;
 436                         }
 437
 438                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 439                                 state_string, strlen(state_string)));
 440
 441                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
 442                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
 443                                 info.set_pri));
 444                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
 445                                 info.cur_pri));
 446
 447                 Jim_ListAppendElement(interp, threads, threadObj);
 448         }
 449         Jim_SetResult(interp, threads);
 450
 451         return JIM_OK;
 452 }
 453
 454 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
 455                 Jim_Obj * const *argv)
 456 {
 457         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
 458
 459         if (logCount >= logSize)
 460         {
 461                 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
 462                                 % logSize, logSize - logCount % logSize);
 463         }
 464         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
 465
 466         Jim_SetResult(interp, tclOutput);
 467         return JIM_OK;
 468 }
 469
 470 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
 471                 Jim_Obj * const *argv)
 472 {
 473         reboot();
 474         return JIM_OK;
 475 }
 476
 477
 478 static void zylinjtag_startNetwork(void)
 479 {
 480         // Bring TCP/IP up immediately before we're ready to accept commands.
 481         //
 482         // That is as soon as a PING responds, we're accepting telnet sessions.
 483 #if defined(CYGPKG_NET_FREEBSD_STACK)
 484         phi_init_all_network_interfaces();
 485 #else
 486         lwip_init();
 487 #endif
 488         if (!eth0_up)
 489         {
 490                 diag_printf("Network not up and running\n");
 491                 exit(-1);
 492         }
 493
 494         /* very first thing we want is a reboot capability */
 495         reboot_port();
 496
 497 #if defined(CYGPKG_NET_FREEBSD_STACK)
 498         /*start TFTP*/
 499         tftpd_start(69, &fileops);
 500 #endif
 501
 502         cyg_httpd_init_tcl_interpreter();
 503
 504         interp = httpstate.jim_interp;
 505
 506         Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
 507                         NULL, NULL);
 508         Jim_CreateCommand(httpstate.jim_interp, "zy1000_reboot",
 509                         zylinjtag_Jim_Command_reboot, NULL, NULL);
 510         Jim_CreateCommand(httpstate.jim_interp, "threads",
 511                         zylinjtag_Jim_Command_threads, NULL, NULL);
 512         Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
 513                         zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
 514
 515         cyg_httpd_start();
 516
 517         webRunning = true;
 518
 519         diag_printf("Web server running\n");
 520
 521         int s;
 522         struct ifreq ifr;
 523         s = socket(AF_INET, SOCK_DGRAM, 0);
 524         if (s >= 0)
 525         {
 526                 strcpy(ifr.ifr_name, "eth0");
 527                 int res;
 528                 res = ioctl(s, SIOCGIFHWADDR, &ifr);
 529                 close(s);
 530
 531                 if (res < 0)
 532                 {
 533                         diag_printf("Can't obtain MAC address\n");
 534                         reboot();
 535                 }
 536         }
 537
 538         sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
 539                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
 540                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
 541                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
 542                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
 543                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
 544                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
 545
 546         discover_message
 547                         = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
 548
 549         discover_launch();
 550 }
 551
 552 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
 553                 cyg_addrword_t info)
 554 {
 555         writeLog = false;
 556         serialLog = true;
 557         char *infoStr = "unknown";
 558         switch (exception)
 559         {
 560 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
 561         case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
 562         infoStr = "undefined instruction";
 563         break;
 564         case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
 565         infoStr = "software interrupt";
 566         break;
 567         case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
 568         infoStr = "abort prefetch";
 569         break;
 570         case CYGNUM_HAL_VECTOR_ABORT_DATA:
 571         infoStr = "abort data";
 572         break;
 573 #endif
 574         default:
 575                 break;
 576         }
 577
 578         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
 579
 580         diag_printf("Dumping log\n---\n");
 581         if (logCount >= logSize)
 582         {
 583                 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
 584         }
 585         diag_write(logBuffer, writePtr);
 586
 587         diag_printf("---\nLogdump complete.\n");
 588         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
 589         diag_printf("\n---\nRebooting\n");
 590         HAL_PLATFORM_RESET();
 591
 592 }
 593
 594 static void setHandler(cyg_code_t exception)
 595 {
 596         cyg_exception_handler_t *old_handler;
 597         cyg_addrword_t old_data;
 598
 599         cyg_exception_set_handler(exception, print_exception_handler, 0,
 600                         &old_handler, &old_data);
 601 }
 602
 603 static cyg_thread zylinjtag_uart_thread_object;
 604 static cyg_handle_t zylinjtag_uart_thread_handle;
 605 static char uart_stack[4096];
 606
 607 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
 608 static char backwardBuffer[1024];
 609
 610 void setNoDelay(int session, int flag)
 611 {
 612 #if 1
 613         // This decreases latency dramatically for e.g. GDB load which
 614         // does not have a sliding window protocol
 615         //
 616         // Can cause *lots* of TCP/IP packets to be sent and it would have
 617         // to be enabled/disabled on the fly to avoid the CPU being
 618         // overloaded...
 619         setsockopt(session, /* socket affected */
 620         IPPROTO_TCP, /* set option at TCP level */
 621         TCP_NODELAY, /* name of option */
 622         (char *) &flag, /* the cast is historical
 623          cruft */
 624         sizeof(int)); /* length of option value */
 625 #endif
 626 }
 627
 628 #define TEST_TCPIP() 0
 629
 630 #if TEST_TCPIP
 631 struct
 632 {
 633         int req;
 634         int actual;
 635         int req2;
 636         int actual2;
 637 } tcpipSent[512 * 1024];
 638 int cur;
 639 #endif
 640
 641 static void zylinjtag_uart(cyg_addrword_t data)
 642 {
 643         int so_reuseaddr_option = 1;
 644
 645         int fd;
 646         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
 647         {
 648                 LOG_ERROR("error creating socket: %s", strerror(errno));
 649                 exit(-1);
 650         }
 651
 652         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
 653                         sizeof(int));
 654
 655         struct sockaddr_in sin;
 656         unsigned int address_size;
 657         address_size = sizeof(sin);
 658         memset(&sin, 0, sizeof(sin));
 659         sin.sin_family = AF_INET;
 660         sin.sin_addr.s_addr = INADDR_ANY;
 661         sin.sin_port = htons(5555);
 662
 663         if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
 664         {
 665                 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
 666                 exit(-1);
 667         }
 668
 669         if (listen(fd, 1) == -1)
 670         {
 671                 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
 672                 exit(-1);
 673         }
 674         //      socket_nonblock(fd);
 675
 676
 677         for (;;)
 678         {
 679                 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
 680                 if (session < 0)
 681                 {
 682                         continue;
 683                 }
 684
 685                 setNoDelay(session, 1);
 686                 int oldopts = fcntl(session, F_GETFL, 0);
 687                 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
 688
 689                 int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
 690                 if (serHandle < 0)
 691                 {
 692                         close(session);
 693                         continue;
 694                 }
 695
 696 #ifdef CYGPKG_PROFILE_GPROF
 697                 start_profile();
 698 #endif
 699                 size_t actual = 0;
 700                 size_t actual2 = 0;
 701                 size_t pos, pos2;
 702                 pos = 0;
 703                 pos2 = 0;
 704 #if TEST_TCPIP
 705                 cur = 0;
 706 #endif
 707                 for (;;)
 708                 {
 709                         fd_set write_fds;
 710                         fd_set read_fds;
 711                         FD_ZERO(&write_fds);
 712                         FD_ZERO(&read_fds);
 713                         int fd_max = -1;
 714                         FD_SET(session, &read_fds);
 715                         fd_max = session;
 716                         FD_SET(serHandle, &read_fds);
 717                         if (serHandle > fd_max)
 718                         {
 719                                 fd_max = serHandle;
 720                         }
 721                         /* Wait... */
 722
 723                         cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
 724                         if ((actual == 0) && (actual2 == 0))
 725                         {
 726                                 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
 727                                 if (retval <= 0)
 728                                 {
 729                                         break;
 730                                 }
 731                         }
 732
 733                         if (actual2 <= 0)
 734                         {
 735                                 memset(backwardBuffer, 's', sizeof(backwardBuffer));
 736                                 int t;
 737                                 t = read(serHandle, backwardBuffer,
 738                                                 sizeof(backwardBuffer));
 739                                 actual2 = t;
 740                                 if (t < 0)
 741                                 {
 742                                         if (errno != EAGAIN)
 743                                         {
 744                                                 goto closeSession;
 745                                         }
 746                                         actual2 = 0;
 747                                 }
 748                                 pos2 = 0;
 749                         }
 750
 751                         size_t x = actual2;
 752                         size_t y = 0;
 753                         if (actual2 > 0)
 754                         {
 755                                 int written = write(session, backwardBuffer + pos2, actual2);
 756                                 if (written <= 0)
 757                                         goto closeSession;
 758                                 actual2 -= written;
 759                                 pos2 += written;
 760                                 y = written;
 761                         }
 762
 763                         if (FD_ISSET(session, &read_fds)
 764                                         && (sizeof(forwardBuffer) > actual))
 765                         {
 766                                 // NB! Here it is important that we empty the TCP/IP read buffer
 767                                 // to make transmission tick right
 768                                 memmove(forwardBuffer, forwardBuffer + pos, actual);
 769                                 pos = 0;
 770                                 int t;
 771                                 // this will block if there is no data at all
 772                                 t = read_socket(session, forwardBuffer + actual,
 773                                                 sizeof(forwardBuffer) - actual);
 774                                 if (t <= 0)
 775                                 {
 776                                         goto closeSession;
 777                                 }
 778                                 actual += t;
 779                         }
 780
 781                         int x2 = actual;
 782                         int y2 = 0;
 783                         if (actual > 0)
 784                         {
 785                                 /* Do not put things into the serial buffer if it has something to send
 786                                  * as that can cause a single byte to be sent at the time.
 787                                  *
 788                                  *
 789                                  */
 790                                 int written = write(serHandle, forwardBuffer + pos, actual);
 791                                 if (written < 0)
 792                                 {
 793                                         if (errno != EAGAIN)
 794                                         {
 795                                                 goto closeSession;
 796                                         }
 797                                         // The serial buffer is full
 798                                         written = 0;
 799                                 }
 800                                 else
 801                                 {
 802                                         actual -= written;
 803                                         pos += written;
 804                                 }
 805                                 y2 = written;
 806                         }
 807 #if TEST_TCPIP
 808                         if (cur < 1024)
 809                         {
 810                                 tcpipSent[cur].req = x;
 811                                 tcpipSent[cur].actual = y;
 812                                 tcpipSent[cur].req2 = x2;
 813                                 tcpipSent[cur].actual2 = y2;
 814                                 cur++;
 815                         }
 816 #endif
 817                 }
 818                 closeSession: close(session);
 819                 close(serHandle);
 820
 821 #if TEST_TCPIP
 822                 int i;
 823                 for (i = 0; i < 1024; i++)
 824                 {
 825                         diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
 826                                         tcpipSent[i].req2, tcpipSent[i].actual2);
 827
 828                 }
 829 #endif
 830         }
 831         close(fd);
 832
 833 }
 834
 835 void startUart(void)
 836 {
 837         cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
 838                         (void *) uart_stack, sizeof(uart_stack),
 839                         &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
 840         cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
 841         cyg_thread_resume(zylinjtag_uart_thread_handle);
 842 }
 843
 844 int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd,
 845                 char **args, int argc)
 846 {
 847         static int current_baud = 38400;
 848         if (argc == 0)
 849         {
 850                 command_print(cmd_ctx, "%d", current_baud);
 851                 return ERROR_OK;
 852         }
 853         else if (argc != 1)
 854         {
 855                 return ERROR_INVALID_ARGUMENTS;
 856         }
 857
 858         current_baud = atol(args[0]);
 859
 860         int baud;
 861         switch (current_baud)
 862         {
 863         case 9600:
 864                 baud = CYGNUM_SERIAL_BAUD_9600;
 865                 break;
 866         case 19200:
 867                 baud = CYGNUM_SERIAL_BAUD_19200;
 868                 break;
 869         case 38400:
 870                 baud = CYGNUM_SERIAL_BAUD_38400;
 871                 break;
 872         case 57600:
 873                 baud = CYGNUM_SERIAL_BAUD_57600;
 874                 break;
 875         case 115200:
 876                 baud = CYGNUM_SERIAL_BAUD_115200;
 877                 break;
 878         case 230400:
 879                 baud = CYGNUM_SERIAL_BAUD_230400;
 880                 break;
 881         default:
 882                 command_print(cmd_ctx, "unsupported baudrate");
 883                 return ERROR_INVALID_ARGUMENTS;
 884         }
 885
 886         cyg_serial_info_t buf;
 887         cyg_uint32 len = 1;
 888         //get existing serial configuration
 889         len = sizeof(cyg_serial_info_t);
 890         int err;
 891         cyg_io_handle_t serial_handle;
 892
 893         err = cyg_io_lookup("/dev/ser0", &serial_handle);
 894         if (err != ENOERR)
 895         {
 896                 LOG_ERROR("/dev/ser0 not found\n");
 897                 return ERROR_FAIL;
 898         }
 899
 900         err = cyg_io_get_config(serial_handle,
 901                         CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
 902         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
 903                         &len);
 904         if (err != ENOERR)
 905         {
 906                 command_print(cmd_ctx, "Failed to get serial port settings %d", err);
 907                 return ERROR_OK;
 908         }
 909         buf.baud = baud;
 910
 911         err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
 912                         &len);
 913         if (err != ENOERR)
 914         {
 915                 command_print(cmd_ctx, "Failed to set serial port settings %d", err);
 916                 return ERROR_OK;
 917         }
 918
 919         return ERROR_OK;
 920 }
 921
 922 bool logAllToSerial = false;
 923
 924
 925 int boolParam(char *var);
 926
 927
 928 command_context_t *setup_command_handler(void);
 929
 930 static const char *zylin_config_dir="/config/settings";
 931
 932 static int add_default_dirs(void)
 933 {
 934         add_script_search_dir(zylin_config_dir);
 935         add_script_search_dir("/rom/lib/openocd");
 936         add_script_search_dir("/rom");
 937         return ERROR_OK;
 938 }
 939
 940 int ioutil_init(struct command_context_s *cmd_ctx);
 941
 942 int main(int argc, char *argv[])
 943 {
 944         /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
 945          * need to allocate towards the end of the heap.  */
 946
 947 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
 948         setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
 949         setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
 950         setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
 951 #endif
 952
 953         int err;
 954
 955         atexit(keep_webserver);
 956
 957         diag_init_putc(_zylinjtag_diag_write_char);
 958         // We want this in the log.
 959         diag_printf("Zylin ZY1000.\n");
 960
 961         err = mount("", "/ram", "ramfs");
 962         if (err < 0)
 963         {
 964                 diag_printf("unable to mount ramfs\n");
 965         }
 966         chdir("/ram");
 967
 968         char address[16];
 969         sprintf(address, "%p", &filedata[0]);
 970         err = mount(address, "/rom", "romfs");
 971         if (err < 0)
 972         {
 973                 diag_printf("unable to mount /rom\n");
 974         }
 975
 976         err = mount("", "/log", "logfs");
 977         if (err < 0)
 978         {
 979                 diag_printf("unable to mount logfs\n");
 980         }
 981
 982         err = mount("", "/tftp", "tftpfs");
 983         if (err < 0)
 984         {
 985                 diag_printf("unable to mount logfs\n");
 986         }
 987
 988         log = fopen("/log/log", "w");
 989         if (log == NULL)
 990         {
 991                 diag_printf("Could not open log file /ram/log\n");
 992                 exit(-1);
 993         }
 994
 995
 996         copydir("/rom", "/ram/cgi");
 997
 998         err = mount("/dev/flash1", "/config", "jffs2");
 999         if (err < 0)
1000         {
1001                 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
1002                 err = mount("", "/config", "ramfs");
1003                 if (err < 0)
1004                 {
1005                         diag_printf("unable to mount /config as ramdisk.\n");
1006                         reboot();
1007                 }
1008         }
1009         else
1010         {
1011                 /* are we using a ram disk instead of a flash disk? This is used
1012                  * for ZY1000 live demo...
1013                  *
1014                  * copy over flash disk to ram block device
1015                  */
1016                 if (boolParam("ramdisk"))
1017                 {
1018                         diag_printf("Unmounting /config from flash and using ram instead\n");
1019                         err = umount("/config");
1020                         if (err < 0)
1021                         {
1022                                 diag_printf("unable to unmount jffs\n");
1023                                 reboot();
1024                         }
1025
1026                         err = mount("/dev/flash1", "/config2", "jffs2");
1027                         if (err < 0)
1028                         {
1029                                 diag_printf("unable to mount jffs\n");
1030                                 reboot();
1031                         }
1032
1033                         err = mount("", "/config", "ramfs");
1034                         if (err < 0)
1035                         {
1036                                 diag_printf("unable to mount ram block device\n");
1037                                 reboot();
1038                         }
1039
1040                         //              copydir("/config2", "/config");
1041                         copyfile("/config2/ip", "/config/ip");
1042                         copydir("/config2/settings", "/config/settings");
1043
1044                         umount("/config2");
1045                 }
1046         }
1047
1048         mkdir(zylin_config_dir, 0777);
1049         char *dirname = alloc_printf("%s/target", zylin_config_dir);
1050         mkdir(dirname, 0777);
1051         free(dirname);
1052         dirname = alloc_printf("%s/board", zylin_config_dir);
1053         mkdir(dirname, 0777);
1054         free(dirname);
1055         dirname = alloc_printf("%s/event", zylin_config_dir);
1056         mkdir(dirname, 0777);
1057         free(dirname);
1058
1059         logAllToSerial = boolParam("logserial");
1060
1061         // We need the network & web server in case there is something wrong with
1062         // the config files that invoke exit()
1063         zylinjtag_startNetwork();
1064
1065         /* we're going to access the jim interpreter from here on... */
1066         openocd_sleep_postlude();
1067         startUart();
1068
1069         add_default_dirs();
1070
1071         /* initialize commandline interface */
1072         command_context_t * cmd_ctx;
1073         cmd_ctx = setup_command_handler();
1074         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1075         command_context_mode(cmd_ctx, COMMAND_CONFIG);
1076
1077 #if BUILD_IOUTIL
1078         if (ioutil_init(cmd_ctx) != ERROR_OK)
1079         {
1080                 return EXIT_FAILURE;
1081         }
1082 #endif
1083
1084
1085 #ifdef CYGPKG_PROFILE_GPROF
1086         register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1087                         COMMAND_ANY, NULL);
1088 #endif
1089
1090         register_command(cmd_ctx, NULL, "uart", handle_uart_command, COMMAND_ANY,
1091                         "uart <baud>  - forward uart on port 5555");
1092
1093         int errVal;
1094         errVal = log_init(cmd_ctx);
1095         if (errVal != ERROR_OK)
1096         {
1097                 diag_printf("log_init() failed %d\n", errVal);
1098                 exit(-1);
1099         }
1100
1101         set_log_output(cmd_ctx, log);
1102
1103         LOG_DEBUG("log init complete");
1104
1105         //      diag_printf("Executing config files\n");
1106
1107         if (logAllToSerial)
1108         {
1109                 diag_printf(
1110                                  "%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1111                 command_run_line(cmd_ctx, "debug_level 3");
1112         }
1113
1114         command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1115
1116         /* we MUST always run the init command as it will launch telnet sessions */
1117         command_run_line(cmd_ctx, "init");
1118
1119         // FIX!!!  Yuk!
1120         // diag_printf() is really invoked from many more places than we trust it
1121         // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1122         //
1123         // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1124         // fingers that it doesn't cause any crashes.
1125         diag_printf("Init complete, GDB & telnet servers launched.\n");
1126         command_set_output_handler(cmd_ctx,
1127                         zy1000_configuration_output_handler_log, NULL);
1128         if (!logAllToSerial)
1129         {
1130                 serialLog = false;
1131         }
1132
1133         /* handle network connections */
1134         server_loop(cmd_ctx);
1135         openocd_sleep_prelude();
1136
1137         /* shut server down */
1138         server_quit();
1139
1140         /* free commandline interface */
1141         command_done(cmd_ctx);
1142         umount("/config");
1143
1144         exit(0);
1145         for (;;)
1146                 ;
1147 }
1148
1149 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1150 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1151 {
1152         cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1153         return 0;
1154 }
1155
1156 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1157
1158 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1159 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1160
1161 #include <pkgconf/system.h>
1162 #include <pkgconf/hal.h>
1163 #include <pkgconf/kernel.h>
1164 #include <pkgconf/io_fileio.h>
1165 #include <pkgconf/fs_rom.h>
1166
1167 #include <cyg/kernel/ktypes.h>         // base kernel types
1168 #include <cyg/infra/cyg_trac.h>        // tracing macros
1169 #include <cyg/infra/cyg_ass.h>         // assertion macros
1170 #include <cyg/fileio/fileio.h>
1171 #include <cyg/kernel/kapi.h>
1172 #include <cyg/infra/diag.h>
1173
1174 //==========================================================================
1175 // Eventually we want to eXecute In Place from the ROM in a protected
1176 // environment, so we'll need executables to be aligned to a boundary
1177 // suitable for MMU protection. A suitable boundary would be the 4k
1178 // boundary in all the CPU architectures I am currently aware of.
1179
1180 // Forward definitions
1181
1182 // Filesystem operations
1183 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1184 static int tftpfs_umount(cyg_mtab_entry *mte);
1185 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1186                 int mode, cyg_file *fte);
1187 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1188 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1189
1190 // File operations
1191 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1192 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1193 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1194
1195 //==========================================================================
1196 // Filesystem table entries
1197
1198 // -------------------------------------------------------------------------
1199 // Fstab entry.
1200 // This defines the entry in the filesystem table.
1201 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1202 // we should never block in any filesystem operations.
1203 #if 1
1204 FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
1205                 CYG_SYNCMODE_NONE,
1206                 tftpfs_mount,
1207                 tftpfs_umount,
1208                 tftpfs_open,
1209                 (cyg_fsop_unlink *)cyg_fileio_erofs,
1210                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1211                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1212                 (cyg_fsop_rename *)cyg_fileio_erofs,
1213                 (cyg_fsop_link *)cyg_fileio_erofs,
1214                 (cyg_fsop_opendir *)cyg_fileio_erofs,
1215                 (cyg_fsop_chdir *)cyg_fileio_erofs,
1216                 (cyg_fsop_stat *)cyg_fileio_erofs,
1217                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1218                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1219 #endif
1220
1221 // -------------------------------------------------------------------------
1222 // mtab entry.
1223 // This defines a single ROMFS loaded into ROM at the configured address
1224 //
1225 // MTAB_ENTRY(rom_mte,  // structure name
1226 //              "/rom",         // mount point
1227 //              "romfs",        // FIlesystem type
1228 //              "",             // hardware device
1229 //  (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS   // Address in ROM
1230 //);
1231
1232
1233 // -------------------------------------------------------------------------
1234 // File operations.
1235 // This set of file operations are used for normal open files.
1236
1237 static cyg_fileops tftpfs_fileops =
1238 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1239                 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1240                 tftpfs_fo_fsync, tftpfs_fo_close,
1241                 (cyg_fileop_fstat *) cyg_fileio_erofs,
1242                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1243                 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1244
1245 // -------------------------------------------------------------------------
1246 // tftpfs_mount()
1247 // Process a mount request. This mainly finds root for the
1248 // filesystem.
1249
1250 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1251 {
1252         return ENOERR;
1253 }
1254
1255 static int tftpfs_umount(cyg_mtab_entry *mte)
1256 {
1257         return ENOERR;
1258 }
1259
1260 struct Tftp
1261 {
1262         int write;
1263         int readFile;
1264         cyg_uint8 *mem;
1265         int actual;
1266         char *server;
1267         char *file;
1268 };
1269
1270 static void freeTftp(struct Tftp *t)
1271 {
1272         if (t == NULL)
1273                 return;
1274         if (t->mem)
1275                 free(t->mem);
1276         if (t->server)
1277                 free(t->server);
1278         if (t->file)
1279                 free(t->file);
1280         free(t);
1281 }
1282
1283 static const int tftpMaxSize = 8192 * 1024;
1284 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1285                 int mode, cyg_file *file)
1286 {
1287         struct Tftp *tftp;
1288         tftp = malloc(sizeof(struct Tftp));
1289         if (tftp == NULL)
1290                 return EMFILE;
1291         memset(tftp, 0, sizeof(struct Tftp));
1292
1293         file->f_flag |= mode & CYG_FILE_MODE_MASK;
1294         file->f_type = CYG_FILE_TYPE_FILE;
1295         file->f_ops = &tftpfs_fileops;
1296         file->f_offset = 0;
1297         file->f_data = 0;
1298         file->f_xops = 0;
1299
1300         tftp->mem = malloc(tftpMaxSize);
1301         if (tftp->mem == NULL)
1302         {
1303                 freeTftp(tftp);
1304                 return EMFILE;
1305         }
1306
1307         char *server = strchr(name, '/');
1308         if (server == NULL)
1309         {
1310                 freeTftp(tftp);
1311                 return EMFILE;
1312         }
1313
1314         tftp->server = malloc(server - name + 1);
1315         if (tftp->server == NULL)
1316         {
1317                 freeTftp(tftp);
1318                 return EMFILE;
1319         }
1320         strncpy(tftp->server, name, server - name);
1321         tftp->server[server - name] = 0;
1322
1323         tftp->file = strdup(server + 1);
1324         if (tftp->file == NULL)
1325         {
1326                 freeTftp(tftp);
1327                 return EMFILE;
1328         }
1329
1330         file->f_data = (CYG_ADDRWORD) tftp;
1331
1332         return ENOERR;
1333 }
1334
1335 static int fetchTftp(struct Tftp *tftp)
1336 {
1337         if (!tftp->readFile)
1338         {
1339                 int err;
1340                 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1341                                 tftpMaxSize, TFTP_OCTET, &err);
1342
1343                 if (tftp->actual < 0)
1344                 {
1345                         return EMFILE;
1346                 }
1347                 tftp->readFile = 1;
1348         }
1349         return ENOERR;
1350 }
1351
1352 // -------------------------------------------------------------------------
1353 // tftpfs_fo_write()
1354 // Read data from file.
1355
1356 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1357 {
1358         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1359
1360         if (fetchTftp(tftp) != ENOERR)
1361                 return EMFILE;
1362
1363         int i;
1364         off_t pos = fp->f_offset;
1365         int resid = 0;
1366         for (i = 0; i < uio->uio_iovcnt; i++)
1367         {
1368                 cyg_iovec *iov = &uio->uio_iov[i];
1369                 char *buf = (char *) iov->iov_base;
1370                 off_t len = iov->iov_len;
1371
1372                 if (len + pos > tftp->actual)
1373                 {
1374                         len = tftp->actual - pos;
1375                 }
1376                 resid += iov->iov_len - len;
1377
1378                 memcpy(buf, tftp->mem + pos, len);
1379                 pos += len;
1380
1381         }
1382         uio->uio_resid = resid;
1383         fp->f_offset = pos;
1384
1385         return ENOERR;
1386 }
1387
1388 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1389 {
1390         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1391
1392         int i;
1393         off_t pos = fp->f_offset;
1394         int resid = 0;
1395         for (i = 0; i < uio->uio_iovcnt; i++)
1396         {
1397                 cyg_iovec *iov = &uio->uio_iov[i];
1398                 char *buf = (char *) iov->iov_base;
1399                 off_t len = iov->iov_len;
1400
1401                 if (len + pos > tftpMaxSize)
1402                 {
1403                         len = tftpMaxSize - pos;
1404                 }
1405                 resid += iov->iov_len - len;
1406
1407                 memcpy(tftp->mem + pos, buf, len);
1408                 pos += len;
1409
1410         }
1411         uio->uio_resid = resid;
1412         fp->f_offset = pos;
1413
1414         tftp->write = 1;
1415
1416         return ENOERR;
1417 }
1418
1419 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1420 {
1421         int error = ENOERR;
1422         return error;
1423 }
1424
1425 // -------------------------------------------------------------------------
1426 // romfs_fo_close()
1427 // Close a file. We just clear out the data pointer.
1428
1429 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1430 {
1431         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1432         int error = ENOERR;
1433
1434         if (tftp->write)
1435         {
1436                 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1437                                 TFTP_OCTET, &error);
1438         }
1439
1440         freeTftp(tftp);
1441         fp->f_data = 0;
1442         return error;
1443 }
1444
1445 // -------------------------------------------------------------------------
1446 // romfs_fo_lseek()
1447 // Seek to a new file position.
1448
1449 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1450 {
1451         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1452         off_t pos = *apos;
1453
1454         if (fetchTftp(tftp) != ENOERR)
1455                 return EMFILE;
1456
1457         switch (whence)
1458         {
1459         case SEEK_SET:
1460                 // Pos is already where we want to be.
1461                 break;
1462
1463         case SEEK_CUR:
1464                 // Add pos to current offset.
1465                 pos += fp->f_offset;
1466                 break;
1467
1468         case SEEK_END:
1469                 // Add pos to file size.
1470                 pos += tftp->actual;
1471                 break;
1472
1473         default:
1474                 return EINVAL;
1475         }
1476
1477         // Check that pos is still within current file size, or at the
1478         // very end.
1479         if (pos < 0 || pos > tftp->actual)
1480                 return EINVAL;
1481
1482         // All OK, set fp offset and return new position.
1483         *apos = fp->f_offset = pos;
1484
1485         return ENOERR;
1486 }
1487
1488 void usleep(int us)
1489 {
1490         if (us > 10000)
1491                 cyg_thread_delay(us / 10000 + 1);
1492         else
1493                 HAL_DELAY_US(us);
1494 }
1495
1496 // Chunked version.
1497 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1498 {
1499         cyg_httpd_start_chunked("text");
1500         if (logCount >= logSize)
1501         {
1502                 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1503                                 - logCount % logSize);
1504         }
1505         cyg_httpd_write_chunked(logBuffer, writePtr);
1506         cyg_httpd_end_chunked();
1507         return -1;
1508 }
1509
1510 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1511
1512 // Filesystem operations
1513 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1514 static int logfs_umount(cyg_mtab_entry *mte);
1515 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1516                 int mode, cyg_file *fte);
1517 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1518
1519 // File operations
1520 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1521 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1522
1523 #include <cyg/io/devtab.h>
1524
1525 //==========================================================================
1526 // Filesystem table entries
1527
1528 // -------------------------------------------------------------------------
1529 // Fstab entry.
1530 // This defines the entry in the filesystem table.
1531 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1532 // we should never block in any filesystem operations.
1533 FSTAB_ENTRY(logfs_fste, "logfs", 0,
1534                 CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
1535                 logfs_mount,
1536                 logfs_umount,
1537                 logfs_open,
1538                 (cyg_fsop_unlink *)cyg_fileio_erofs,
1539                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1540                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1541                 (cyg_fsop_rename *)cyg_fileio_erofs,
1542                 (cyg_fsop_link *)cyg_fileio_erofs,
1543                 (cyg_fsop_opendir *)cyg_fileio_erofs,
1544                 (cyg_fsop_chdir *)cyg_fileio_erofs,
1545                 (cyg_fsop_stat *)cyg_fileio_erofs,
1546                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1547                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1548
1549 // -------------------------------------------------------------------------
1550 // File operations.
1551 // This set of file operations are used for normal open files.
1552
1553 static cyg_fileops logfs_fileops =
1554 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1555                 (cyg_fileop_lseek *) cyg_fileio_erofs,
1556                 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1557                 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1558                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1559                 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1560
1561 // -------------------------------------------------------------------------
1562 // logfs_mount()
1563 // Process a mount request. This mainly finds root for the
1564 // filesystem.
1565
1566 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1567 {
1568         return ENOERR;
1569 }
1570
1571 static int logfs_umount(cyg_mtab_entry *mte)
1572 {
1573         return ENOERR;
1574 }
1575
1576 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1577                 int mode, cyg_file *file)
1578 {
1579         file->f_flag |= mode & CYG_FILE_MODE_MASK;
1580         file->f_type = CYG_FILE_TYPE_FILE;
1581         file->f_ops = &logfs_fileops;
1582         file->f_offset = 0;
1583         file->f_data = 0;
1584         file->f_xops = 0;
1585         return ENOERR;
1586 }
1587
1588 // -------------------------------------------------------------------------
1589 // logfs_fo_write()
1590 // Write data to file.
1591
1592 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1593 {
1594         int i;
1595         for (i = 0; i < uio->uio_iovcnt; i++)
1596         {
1597                 cyg_iovec *iov = &uio->uio_iov[i];
1598                 char *buf = (char *) iov->iov_base;
1599                 off_t len = iov->iov_len;
1600
1601                 diag_write(buf, len);
1602         }
1603         uio->uio_resid = 0;
1604
1605         return ENOERR;
1606 }
1607 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1608 {
1609         return ENOERR;
1610 }
1611
1612 // -------------------------------------------------------------------------
1613 // romfs_fo_close()
1614 // Close a file. We just clear out the data pointer.
1615
1616 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1617 {
1618         return ENOERR;
1619 }
1620
1621 int loadFile(const char *fileName, void **data, int *len);
1622
1623 /* boolean parameter stored on config */
1624 int boolParam(char *var)
1625 {
1626         bool result = false;
1627         char *name = alloc_printf("%s/%s", zylin_config_dir, var);
1628         if (name == NULL)
1629                 return result;
1630
1631         void *data;
1632         int len;
1633         if (loadFile(name, &data, &len) == ERROR_OK)
1634         {
1635                 if (len > 1)
1636                         len = 1;
1637                 result = strncmp((char *) data, "1", len) == 0;
1638                 free(data);
1639         }
1640         free(name);
1641         return result;
1642 }
1643