git.gag.com Git - fw/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 "target.h"
  30 #include "flash.h"
  31 #include "nand.h"
  32 #include "pld.h"
  33
  34 #include "command.h"
  35 #include "server.h"
  36 #include "telnet_server.h"
  37 #include "gdb_server.h"
  38
  39 #include <time_support.h>
  40 #include <sys/time.h>
  41 #include <sys/types.h>
  42 #include <strings.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <unistd.h>
  47 #include <errno.h>
  48
  49 #include <cyg/io/flash.h>
  50 #include <pkgconf/fs_jffs2.h>   // Address of JFFS2
  51 #include <network.h>
  52
  53 #include <fcntl.h>
  54 #include <sys/stat.h>
  55 #include <cyg/fileio/fileio.h>
  56 #include <dirent.h>
  57 #include <cyg/athttpd/http.h>
  58 #include <cyg/athttpd/socket.h>
  59 #include <cyg/athttpd/handler.h>
  60 #include <cyg/athttpd/cgi.h>
  61 #include <cyg/athttpd/forms.h>
  62 #include <cyg/discover/discover.h>
  63 #include <cyg/hal/hal_diag.h>
  64 #include <cyg/kernel/kapi.h>
  65 #include <cyg/io/serialio.h>
  66 #include <cyg/io/io.h>
  67 #include <netinet/tcp.h>
  68 #include "rom.h"
  69 #include <sys/ioctl.h>
  70 #include <sys/socket.h>
  71 #include <netinet/in.h>
  72 #include <net/if.h>
  73 #include <arpa/inet.h>
  74 #include <sys/types.h>
  75 #include <sys/socket.h>
  76 #include <netdb.h>
  77 #include <netinet/in.h>
  78 #include <unistd.h>
  79 #include <arpa/inet.h>
  80 #include <stdio.h>
  81 #include <ifaddrs.h>
  82 #include <string.h>
  83
  84 #include <unistd.h>
  85 #include <stdio.h>
  86 #define MAX_IFS 64
  87 #if defined(CYGPKG_NET_FREEBSD_STACK)
  88 #include <tftp_support.h>
  89 /* posix compatibility broken*/
  90 struct tftpd_fileops fileops =
  91 {
  92         (int (*)(const char *, int))open,
  93         close,
  94         (int (*)(int, const void *, int))write,
  95         ( int (*)(int, void *, int))read
  96 };
  97
  98 #endif
  99
 100
 101 void diag_write(char *buf, int len)
 102 {
 103         int j;
 104         for (j = 0; j < len; j++)
 105         {
 106                 diag_printf("%c", buf[j]);
 107         }
 108 }
 109
 110 static bool serialLog = true;
 111 static bool writeLog = true;
 112
 113 char hwaddr[512];
 114
 115
 116 extern flash_driver_t *flash_drivers[];
 117 extern target_type_t *target_types[];
 118
 119 #ifdef CYGPKG_PROFILE_GPROF
 120 #include <cyg/profile/profile.h>
 121
 122 extern char _stext, _etext; // Defined by the linker
 123
 124 static char *start_of_code=&_stext;
 125 static char *end_of_code=&_etext;
 126
 127 void start_profile(void)
 128 {
 129         // This starts up the system-wide profiling, gathering
 130         // profile information on all of the code, with a 16 byte
 131         // "bucket" size, at a rate of 100us/profile hit.
 132         // Note: a bucket size of 16 will give pretty good function
 133         //       resolution.  Much smaller and the buffer becomes
 134         //       much too large for very little gain.
 135         // Note: a timer period of 100us is also a reasonable
 136         //       compromise.  Any smaller and the overhead of
 137         //       handling the timter (profile) interrupt could
 138         //       swamp the system.  A fast processor might get
 139         //       by with a smaller value, but a slow one could
 140         //       even be swamped by this value.  If the value is
 141         //       too large, the usefulness of the profile is reduced.
 142
 143         // no more interrupts than 1/10ms.
 144         //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
 145         //      profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
 146         profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
 147 }
 148 #endif
 149
 150 extern int eth0_up;
 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 100 ticks..\n");
 159         cyg_thread_delay(100);
 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 int configuration_output_handler(struct command_context_s *context,
 177                 const char* line)
 178 {
 179         diag_printf("%s", line);
 180
 181         return ERROR_OK;
 182 }
 183
 184 int zy1000_configuration_output_handler_log(struct command_context_s *context,
 185                 const char* line)
 186 {
 187         LOG_USER_N("%s", line);
 188
 189         return ERROR_OK;
 190 }
 191
 192 #ifdef CYGPKG_PROFILE_GPROF
 193 extern void start_profile();
 194
 195 int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 196 {
 197         command_print(cmd_ctx, "Profiling started");
 198         start_profile();
 199         return ERROR_OK;
 200 }
 201
 202 #endif
 203
 204 externC void phi_init_all_network_interfaces();
 205
 206 command_context_t *cmd_ctx;
 207
 208 static bool webRunning = false;
 209
 210 void keep_webserver()
 211 {
 212         // Target initialisation is only attempted at startup, so we sleep forever and
 213         // let the http server bail us out(i.e. get config files set up).
 214         diag_printf("OpenOCD has invoked exit().\n"
 215                 "Use web server to correct any configuration settings and reboot.\n");
 216         if (!webRunning)
 217                 reboot();
 218
 219         // exit() will terminate the current thread and we we'll then sleep eternally or
 220         // we'll have a reboot scheduled.
 221 }
 222
 223 extern void printDccChar(char c);
 224
 225 static char logBuffer[128 * 1024];
 226 static const int logSize = sizeof(logBuffer);
 227 int writePtr = 0;
 228 int logCount = 0;
 229
 230 void _zylinjtag_diag_write_char(char c, void **param)
 231 {
 232         if (writeLog)
 233         {
 234                 logBuffer[writePtr] = c;
 235                 writePtr = (writePtr + 1) % logSize;
 236                 logCount++;
 237         }
 238         if (serialLog)
 239         {
 240                 if (c == '\n')
 241                 {
 242                         HAL_DIAG_WRITE_CHAR('\r');
 243                 }
 244                 HAL_DIAG_WRITE_CHAR(c);
 245         }
 246
 247 #ifdef CYGPKG_HAL_ZYLIN_PHI
 248         printDccChar(c);
 249 #endif
 250 }
 251
 252 void copyfile(char *name2, char *name1);
 253
 254 void copydir(char *name, char *destdir);
 255
 256 #if 0
 257 MTAB_ENTRY( romfs_mte1,
 258                 "/rom",
 259                 "romfs",
 260                 "",
 261                 (CYG_ADDRWORD) &filedata[0] );
 262 #endif
 263
 264 void openocd_sleep_prelude()
 265 {
 266         cyg_mutex_unlock(&httpstate.jim_lock);
 267 }
 268
 269 void openocd_sleep_postlude()
 270 {
 271         cyg_mutex_lock(&httpstate.jim_lock);
 272 }
 273
 274 void format(void)
 275 {
 276         diag_printf("Formatting JFFS2...\n");
 277
 278         cyg_io_handle_t handle;
 279
 280         Cyg_ErrNo err;
 281         err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
 282         if (err != ENOERR)
 283         {
 284                 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
 285                 reboot();
 286         }
 287
 288         cyg_uint32 len;
 289         cyg_io_flash_getconfig_devsize_t ds;
 290         len = sizeof(ds);
 291         err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
 292         if (err != ENOERR)
 293         {
 294                 diag_printf("Flash error cyg_io_get_config %d\n", err);
 295                 reboot();
 296         }
 297
 298         cyg_io_flash_getconfig_erase_t e;
 299         void *err_addr;
 300         len = sizeof(e);
 301
 302         e.offset = 0;
 303         e.len = ds.dev_size;
 304         e.err_address = &err_addr;
 305
 306         diag_printf("Formatting 0x%08x bytes\n", ds.dev_size);
 307         err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
 308         if (err != ENOERR)
 309         {
 310                 diag_printf("Flash erase error %d offset 0x%p\n", err, err_addr);
 311                 reboot();
 312         }
 313
 314         diag_printf("Flash formatted successfully\n");
 315
 316         reboot();
 317 }
 318
 319 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
 320                 Jim_Obj * const *argv)
 321 {
 322         if (argc != 1)
 323         {
 324                 return JIM_ERR;
 325         }
 326
 327         format();
 328         for (;;)
 329                 ;
 330 }
 331
 332 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
 333                 Jim_Obj * const *argv)
 334 {
 335         cyg_handle_t thread = 0;
 336         cyg_uint16 id = 0;
 337         Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
 338
 339         /* Loop over the threads, and generate a table row for
 340          * each.
 341          */
 342         while (cyg_thread_get_next(&thread, &id))
 343         {
 344                 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
 345
 346                 cyg_thread_info info;
 347                 char *state_string;
 348
 349                 cyg_thread_get_info(thread, id, &info);
 350
 351                 if (info.name == NULL)
 352                         info.name = "<no name>";
 353
 354                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 355                                 info.name, strlen(info.name)));
 356
 357                 /* Translate the state into a string.
 358                  */
 359                 if (info.state == 0)
 360                         state_string = "RUN";
 361                 else if (info.state & 0x04)
 362                         state_string = "SUSP";
 363                 else
 364                         switch (info.state & 0x1b)
 365                         {
 366                         case 0x01:
 367                                 state_string = "SLEEP";
 368                                 break;
 369                         case 0x02:
 370                                 state_string = "CNTSLEEP";
 371                                 break;
 372                         case 0x08:
 373                                 state_string = "CREATE";
 374                                 break;
 375                         case 0x10:
 376                                 state_string = "EXIT";
 377                                 break;
 378                         default:
 379                                 state_string = "????";
 380                                 break;
 381                         }
 382
 383                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
 384                                 state_string, strlen(state_string)));
 385
 386                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
 387                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
 388                                 info.set_pri));
 389                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
 390                                 info.cur_pri));
 391
 392                 Jim_ListAppendElement(interp, threads, threadObj);
 393         }
 394         Jim_SetResult(interp, threads);
 395
 396         return JIM_OK;
 397 }
 398
 399 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
 400                 Jim_Obj * const *argv)
 401 {
 402         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
 403
 404         if (logCount >= logSize)
 405         {
 406                 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
 407                                 % logSize, logSize - logCount % logSize);
 408         }
 409         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
 410
 411         Jim_SetResult(interp, tclOutput);
 412         return JIM_OK;
 413 }
 414
 415 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
 416                 Jim_Obj * const *argv)
 417 {
 418         reboot();
 419         return JIM_OK;
 420 }
 421
 422 static int zylinjtag_Jim_Command_mac(Jim_Interp *interp, int argc,
 423                 Jim_Obj * const *argv)
 424 {
 425
 426         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
 427
 428         Jim_AppendString(httpstate.jim_interp, tclOutput, hwaddr, strlen(hwaddr));
 429
 430         Jim_SetResult(interp, tclOutput);
 431
 432         return JIM_OK;
 433 }
 434
 435 static int zylinjtag_Jim_Command_ip(Jim_Interp *interp, int argc,
 436                 Jim_Obj * const *argv)
 437 {
 438         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
 439
 440         struct ifaddrs *ifa = NULL, *ifp = NULL;
 441
 442         if (getifaddrs(&ifp) < 0)
 443         {
 444                 return JIM_ERR;
 445         }
 446
 447         for (ifa = ifp; ifa; ifa = ifa->ifa_next)
 448         {
 449                 char ip[200];
 450                 socklen_t salen;
 451
 452                 if (ifa->ifa_addr->sa_family == AF_INET)
 453                         salen = sizeof(struct sockaddr_in);
 454                 else if (ifa->ifa_addr->sa_family == AF_INET6)
 455                         salen = sizeof(struct sockaddr_in6);
 456                 else
 457                         continue;
 458
 459                 if (getnameinfo(ifa->ifa_addr, salen, ip, sizeof(ip), NULL, 0,
 460                                 NI_NUMERICHOST) < 0)
 461                 {
 462                         continue;
 463                 }
 464
 465                 Jim_AppendString(httpstate.jim_interp, tclOutput, ip, strlen(ip));
 466                 break;
 467
 468         }
 469
 470         freeifaddrs(ifp);
 471
 472         Jim_SetResult(interp, tclOutput);
 473
 474         return JIM_OK;
 475 }
 476
 477 extern Jim_Interp *interp;
 478
 479 static void zylinjtag_startNetwork()
 480 {
 481         // Bring TCP/IP up immediately before we're ready to accept commands.
 482         //
 483         // That is as soon as a PING responds, we're accepting telnet sessions.
 484 #if defined(CYGPKG_NET_FREEBSD_STACK)
 485         phi_init_all_network_interfaces();
 486 #else
 487         lwip_init();
 488 #endif
 489         if (!eth0_up)
 490         {
 491                 diag_printf("Network not up and running\n");
 492                 exit(-1);
 493         }
 494 #if defined(CYGPKG_NET_FREEBSD_STACK)
 495         /*start TFTP*/
 496         tftpd_start(69, &fileops);
 497 #endif
 498
 499         cyg_httpd_init_tcl_interpreter();
 500
 501         interp = httpstate.jim_interp;
 502
 503         Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
 504                         NULL, NULL);
 505         Jim_CreateCommand(httpstate.jim_interp, "reboot",
 506                         zylinjtag_Jim_Command_reboot, NULL, NULL);
 507         Jim_CreateCommand(httpstate.jim_interp, "threads",
 508                         zylinjtag_Jim_Command_threads, NULL, NULL);
 509         Jim_CreateCommand(httpstate.jim_interp, "mac", zylinjtag_Jim_Command_mac,
 510                         NULL, NULL);
 511         Jim_CreateCommand(httpstate.jim_interp, "ip", zylinjtag_Jim_Command_ip,
 512                         NULL, NULL);
 513         Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
 514                         zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
 515
 516         cyg_httpd_start();
 517
 518         webRunning = true;
 519
 520         diag_printf("Web server running\n");
 521
 522         int s;
 523         struct ifreq ifr;
 524         s = socket(AF_INET, SOCK_DGRAM, 0);
 525         if (s >= 0)
 526         {
 527                 strcpy(ifr.ifr_name, "eth0");
 528                 int res;
 529                 res = ioctl(s, SIOCGIFHWADDR, &ifr);
 530                 close(s);
 531
 532                 if (res < 0)
 533                 {
 534                         diag_printf("Can't obtain MAC address\n");
 535                         reboot();
 536                 }
 537         }
 538
 539         sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
 540                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
 541                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
 542                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
 543                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
 544                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
 545                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
 546
 547         discover_message
 548                         = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
 549
 550         discover_launch();
 551 }
 552
 553 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
 554                 cyg_addrword_t info)
 555 {
 556         writeLog = false;
 557         serialLog = true;
 558         char *infoStr = "unknown";
 559         switch (exception)
 560         {
 561 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
 562         case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
 563         infoStr = "undefined instruction";
 564         break;
 565         case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
 566         infoStr = "software interrupt";
 567         break;
 568         case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
 569         infoStr = "abort prefetch";
 570         break;
 571         case CYGNUM_HAL_VECTOR_ABORT_DATA:
 572         infoStr = "abort data";
 573         break;
 574 #endif
 575         default:
 576                 break;
 577         }
 578
 579         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
 580
 581         diag_printf("Dumping log\n---\n");
 582         if (logCount >= logSize)
 583         {
 584                 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
 585         }
 586         diag_write(logBuffer, writePtr);
 587
 588         diag_printf("---\nLogdump complete.\n");
 589         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
 590         diag_printf("\n---\nRebooting\n");
 591         HAL_PLATFORM_RESET();
 592
 593 }
 594
 595 static void setHandler(cyg_code_t exception)
 596 {
 597         cyg_exception_handler_t *old_handler;
 598         cyg_addrword_t old_data;
 599
 600         cyg_exception_set_handler(exception, print_exception_handler, 0,
 601                         &old_handler, &old_data);
 602 }
 603
 604 static cyg_thread zylinjtag_uart_thread_object;
 605 static cyg_handle_t zylinjtag_uart_thread_handle;
 606 static char uart_stack[4096];
 607
 608 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
 609 static char backwardBuffer[1024];
 610
 611 void setNoDelay(int session, int flag)
 612 {
 613 #if 1
 614         // This decreases latency dramatically for e.g. GDB load which
 615         // does not have a sliding window protocol
 616         //
 617         // Can cause *lots* of TCP/IP packets to be sent and it would have
 618         // to be enabled/disabled on the fly to avoid the CPU being
 619         // overloaded...
 620         setsockopt(session, /* socket affected */
 621         IPPROTO_TCP, /* set option at TCP level */
 622         TCP_NODELAY, /* name of option */
 623         (char *) &flag, /* the cast is historical
 624          cruft */
 625         sizeof(int)); /* length of option value */
 626 #endif
 627 }
 628
 629 struct
 630 {
 631         int req;
 632         int actual;
 633         int req2;
 634         int actual2;
 635 } tcpipSent[512 * 1024];
 636 int cur;
 637
 638 static void zylinjtag_uart(cyg_addrword_t data)
 639 {
 640         int so_reuseaddr_option = 1;
 641
 642         int fd;
 643         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
 644         {
 645                 LOG_ERROR("error creating socket: %s", strerror(errno));
 646                 exit(-1);
 647         }
 648
 649         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
 650                         sizeof(int));
 651
 652         struct sockaddr_in sin;
 653         unsigned int address_size;
 654         address_size = sizeof(sin);
 655         memset(&sin, 0, sizeof(sin));
 656         sin.sin_family = AF_INET;
 657         sin.sin_addr.s_addr = INADDR_ANY;
 658         sin.sin_port = htons(5555);
 659
 660         if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
 661         {
 662                 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
 663                 exit(-1);
 664         }
 665
 666         if (listen(fd, 1) == -1)
 667         {
 668                 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
 669                 exit(-1);
 670         }
 671         //      socket_nonblock(fd);
 672
 673
 674         for (;;)
 675         {
 676                 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
 677                 if (session < 0)
 678                 {
 679                         continue;
 680                 }
 681
 682                 setNoDelay(session, 1);
 683                 int oldopts = fcntl(session, F_GETFL, 0);
 684                 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
 685
 686                 int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
 687                 if (serHandle < 0)
 688                 {
 689                         close(session);
 690                         continue;
 691                 }
 692
 693 #ifdef CYGPKG_PROFILE_GPROF
 694                 start_profile();
 695 #endif
 696                 int actual = 0;
 697                 int actual2 = 0;
 698                 int pos, pos2;
 699                 pos = 0;
 700                 pos2 = 0;
 701                 cur = 0;
 702                 for (;;)
 703                 {
 704                         fd_set write_fds;
 705                         fd_set read_fds;
 706                         FD_ZERO(&write_fds);
 707                         FD_ZERO(&read_fds);
 708                         int fd_max = -1;
 709                         FD_SET(session, &read_fds);
 710                         fd_max = session;
 711                         FD_SET(serHandle, &read_fds);
 712                         if (serHandle > fd_max)
 713                         {
 714                                 fd_max = serHandle;
 715                         }
 716                         /* Wait... */
 717
 718                         cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
 719                         if ((actual == 0) && (actual2 == 0))
 720                         {
 721                                 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
 722                                 if (retval <= 0)
 723                                 {
 724                                         break;
 725                                 }
 726                         }
 727
 728                         if (actual2 <= 0)
 729                         {
 730                                 memset(backwardBuffer, 's', sizeof(backwardBuffer));
 731                                 actual2 = read(serHandle, backwardBuffer,
 732                                                 sizeof(backwardBuffer));
 733                                 if (actual2 < 0)
 734                                 {
 735                                         if (errno != EAGAIN)
 736                                         {
 737                                                 goto closeSession;
 738                                         }
 739                                         actual2 = 0;
 740                                 }
 741                                 pos2 = 0;
 742                         }
 743
 744                         int x = actual2;
 745                         int y = 0;
 746                         if (actual2 > 0)
 747                         {
 748                                 int written = write(session, backwardBuffer + pos2, actual2);
 749                                 if (written <= 0)
 750                                         goto closeSession;
 751                                 actual2 -= written;
 752                                 pos2 += written;
 753                                 y = written;
 754                         }
 755
 756                         if (FD_ISSET(session, &read_fds)
 757                                         && (sizeof(forwardBuffer) > actual))
 758                         {
 759                                 // NB! Here it is important that we empty the TCP/IP read buffer
 760                                 // to make transmission tick right
 761                                 memmove(forwardBuffer, forwardBuffer + pos, actual);
 762                                 pos = 0;
 763                                 int t;
 764                                 // this will block if there is no data at all
 765                                 t = read_socket(session, forwardBuffer + actual,
 766                                                 sizeof(forwardBuffer) - actual);
 767                                 if (t <= 0)
 768                                 {
 769                                         goto closeSession;
 770                                 }
 771                                 actual += t;
 772                         }
 773
 774                         int x2 = actual;
 775                         int y2 = 0;
 776                         if (actual > 0)
 777                         {
 778                                 /* Do not put things into the serial buffer if it has something to send
 779                                  * as that can cause a single byte to be sent at the time.
 780                                  *
 781                                  *
 782                                  */
 783                                 int written = write(serHandle, forwardBuffer + pos, actual);
 784                                 if (written < 0)
 785                                 {
 786                                         if (errno != EAGAIN)
 787                                         {
 788                                                 goto closeSession;
 789                                         }
 790                                         // The serial buffer is full
 791                                         written = 0;
 792                                 }
 793                                 else
 794                                 {
 795                                         actual -= written;
 796                                         pos += written;
 797                                 }
 798                                 y2 = written;
 799                         }
 800                         if (cur < 1024)
 801                         {
 802                                 tcpipSent[cur].req = x;
 803                                 tcpipSent[cur].actual = y;
 804                                 tcpipSent[cur].req2 = x2;
 805                                 tcpipSent[cur].actual2 = y2;
 806                                 cur++;
 807                         }
 808
 809                 }
 810                 closeSession: close(session);
 811                 close(serHandle);
 812
 813                 int i;
 814                 for (i = 0; i < 1024; i++)
 815                 {
 816                         diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
 817                                         tcpipSent[i].req2, tcpipSent[i].actual2);
 818
 819                 }
 820         }
 821         close(fd);
 822
 823 }
 824
 825 void startUart(void)
 826 {
 827         cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
 828                         (void *) uart_stack, sizeof(uart_stack),
 829                         &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
 830         cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
 831         cyg_thread_resume(zylinjtag_uart_thread_handle);
 832 }
 833
 834 int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd,
 835                 char **args, int argc)
 836 {
 837         static int current_baud = 38400;
 838         if (argc == 0)
 839         {
 840                 command_print(cmd_ctx, "%d", current_baud);
 841                 return ERROR_OK;
 842         }
 843         else if (argc != 1)
 844         {
 845                 return ERROR_INVALID_ARGUMENTS;
 846         }
 847
 848         current_baud = atol(args[0]);
 849
 850         int baud;
 851         switch (current_baud)
 852         {
 853         case 9600:
 854                 baud = CYGNUM_SERIAL_BAUD_9600;
 855                 break;
 856         case 19200:
 857                 baud = CYGNUM_SERIAL_BAUD_19200;
 858                 break;
 859         case 38400:
 860                 baud = CYGNUM_SERIAL_BAUD_38400;
 861                 break;
 862         case 57600:
 863                 baud = CYGNUM_SERIAL_BAUD_57600;
 864                 break;
 865         case 115200:
 866                 baud = CYGNUM_SERIAL_BAUD_115200;
 867                 break;
 868         case 230400:
 869                 baud = CYGNUM_SERIAL_BAUD_230400;
 870                 break;
 871         default:
 872                 command_print(cmd_ctx, "unsupported baudrate");
 873                 return ERROR_INVALID_ARGUMENTS;
 874         }
 875
 876         cyg_serial_info_t buf;
 877         cyg_uint32 len = 1;
 878         //get existing serial configuration
 879         len = sizeof(cyg_serial_info_t);
 880         int err;
 881         cyg_io_handle_t serial_handle;
 882
 883         err = cyg_io_lookup("/dev/ser0", &serial_handle);
 884         if (err != ENOERR)
 885         {
 886                 LOG_ERROR("/dev/ser0 not found\n");
 887                 return ERROR_FAIL;
 888         }
 889
 890         err = cyg_io_get_config(serial_handle,
 891                         CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
 892         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
 893                         &len);
 894         if (err != ENOERR)
 895         {
 896                 command_print(cmd_ctx, "Failed to get serial port settings %d", err);
 897                 return ERROR_OK;
 898         }
 899         buf.baud = baud;
 900
 901         err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
 902                         &len);
 903         if (err != ENOERR)
 904         {
 905                 command_print(cmd_ctx, "Failed to set serial port settings %d", err);
 906                 return ERROR_OK;
 907         }
 908
 909         return ERROR_OK;
 910 }
 911
 912 bool logAllToSerial = false;
 913
 914
 915 int boolParam(char *var);
 916
 917
 918 command_context_t *setup_command_handler();
 919
 920 extern const char *zylin_config_dir;
 921
 922 int add_default_dirs(void)
 923 {
 924         add_script_search_dir(zylin_config_dir);
 925         add_script_search_dir("/rom/lib/openocd");
 926         add_script_search_dir("/rom");
 927         return ERROR_OK;
 928 }
 929
 930 int main(int argc, char *argv[])
 931 {
 932         /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
 933          * need to allocate towards the end of the heap.  */
 934
 935 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
 936         setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
 937         setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
 938         setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
 939 #endif
 940
 941         int err;
 942
 943         atexit(keep_webserver);
 944
 945         diag_init_putc(_zylinjtag_diag_write_char);
 946         // We want this in the log.
 947         diag_printf("Zylin ZY1000.\n");
 948
 949         err = mount("", "/ram", "ramfs");
 950         if (err < 0)
 951         {
 952                 diag_printf("unable to mount ramfs\n");
 953         }
 954         chdir("/ram");
 955
 956         char address[16];
 957         sprintf(address, "%p", &filedata[0]);
 958         err = mount(address, "/rom", "romfs");
 959         if (err < 0)
 960         {
 961                 diag_printf("unable to mount /rom\n");
 962         }
 963
 964         err = mount("", "/log", "logfs");
 965         if (err < 0)
 966         {
 967                 diag_printf("unable to mount logfs\n");
 968         }
 969
 970         err = mount("", "/tftp", "tftpfs");
 971         if (err < 0)
 972         {
 973                 diag_printf("unable to mount logfs\n");
 974         }
 975
 976         log = fopen("/log/log", "w");
 977         if (log == NULL)
 978         {
 979                 diag_printf("Could not open log file /ram/log\n");
 980                 exit(-1);
 981         }
 982
 983
 984         copydir("/rom", "/ram/cgi");
 985
 986         err = mount("/dev/flash1", "/config", "jffs2");
 987         if (err < 0)
 988         {
 989                 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
 990                 err = mount("", "/config", "ramfs");
 991                 if (err < 0)
 992                 {
 993                         diag_printf("unable to mount /config as ramdisk.\n");
 994                         reboot();
 995                 }
 996         }
 997         else
 998         {
 999                 /* are we using a ram disk instead of a flash disk? This is used
1000                  * for ZY1000 live demo...
1001                  *
1002                  * copy over flash disk to ram block device
1003                  */
1004                 if (boolParam("ramdisk"))
1005                 {
1006                         diag_printf("Unmounting /config from flash and using ram instead\n");
1007                         err = umount("/config");
1008                         if (err < 0)
1009                         {
1010                                 diag_printf("unable to unmount jffs\n");
1011                                 reboot();
1012                         }
1013
1014                         err = mount("/dev/flash1", "/config2", "jffs2");
1015                         if (err < 0)
1016                         {
1017                                 diag_printf("unable to mount jffs\n");
1018                                 reboot();
1019                         }
1020
1021                         err = mount("", "/config", "ramfs");
1022                         if (err < 0)
1023                         {
1024                                 diag_printf("unable to mount ram block device\n");
1025                                 reboot();
1026                         }
1027
1028                         //              copydir("/config2", "/config");
1029                         copyfile("/config2/ip", "/config/ip");
1030                         copydir("/config2/settings", "/config/settings");
1031
1032                         umount("/config2");
1033                 }
1034         }
1035
1036         mkdir(zylin_config_dir, 0777);
1037         char *dirname=alloc_printf("%s/target", zylin_config_dir);
1038         mkdir(dirname, 0777);
1039         free(dirname);
1040         dirname=alloc_printf("%s/event", zylin_config_dir);
1041         mkdir(dirname, 0777);
1042         free(dirname);
1043
1044         logAllToSerial = boolParam("logserial");
1045
1046         // We need the network & web server in case there is something wrong with
1047         // the config files that invoke exit()
1048         zylinjtag_startNetwork();
1049
1050         /* we're going to access the jim interpreter from here on... */
1051         openocd_sleep_postlude();
1052         startUart();
1053
1054         add_default_dirs();
1055
1056         /* initialize commandline interface */
1057         command_context_t * cmd_ctx;
1058         cmd_ctx = setup_command_handler();
1059         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1060         command_context_mode(cmd_ctx, COMMAND_CONFIG);
1061
1062 #ifdef CYGPKG_PROFILE_GPROF
1063         register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1064                         COMMAND_ANY, NULL);
1065 #endif
1066
1067         register_command(cmd_ctx, NULL, "uart", handle_uart_command, COMMAND_ANY,
1068                         "uart <baud>  - forward uart on port 5555");
1069
1070         int errVal;
1071         errVal = log_init(cmd_ctx);
1072         if (errVal != ERROR_OK)
1073         {
1074                 diag_printf("log_init() failed %d\n", errVal);
1075                 exit(-1);
1076         }
1077
1078         set_log_output(cmd_ctx, log);
1079
1080         LOG_DEBUG("log init complete");
1081
1082         //      diag_printf("Executing config files\n");
1083
1084         if (logAllToSerial)
1085         {
1086                 diag_printf(
1087                                  "%s/logserial=1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1088                 command_run_line(cmd_ctx, "debug_level 3");
1089         }
1090
1091         command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1092
1093         // FIX!!!  Yuk!
1094         // diag_printf() is really invoked from many more places than we trust it
1095         // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1096         //
1097         // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1098         // fingers that it doesn't cause any crashes.
1099         diag_printf("Init complete, GDB & telnet servers launched.\n");
1100         command_set_output_handler(cmd_ctx,
1101                         zy1000_configuration_output_handler_log, NULL);
1102         if (!logAllToSerial)
1103         {
1104                 serialLog = false;
1105         }
1106
1107         /* handle network connections */
1108         server_loop(cmd_ctx);
1109         openocd_sleep_prelude();
1110
1111         /* shut server down */
1112         server_quit();
1113
1114         /* free commandline interface */
1115         command_done(cmd_ctx);
1116         umount("/config");
1117
1118         exit(0);
1119         for (;;)
1120                 ;
1121 }
1122
1123 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1124 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1125 {
1126         cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1127         return 0;
1128 }
1129
1130 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1131
1132 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1133 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1134
1135 #include <pkgconf/system.h>
1136 #include <pkgconf/hal.h>
1137 #include <pkgconf/kernel.h>
1138 #include <pkgconf/io_fileio.h>
1139 #include <pkgconf/fs_rom.h>
1140
1141 #include <cyg/kernel/ktypes.h>         // base kernel types
1142 #include <cyg/infra/cyg_trac.h>        // tracing macros
1143 #include <cyg/infra/cyg_ass.h>         // assertion macros
1144 #include <unistd.h>
1145 #include <sys/types.h>
1146 #include <fcntl.h>
1147 #include <sys/stat.h>
1148 #include <errno.h>
1149 #include <dirent.h>
1150
1151 #include <stdarg.h>
1152 #include <stdio.h>
1153 #include <stdlib.h>
1154 #include <string.h>
1155
1156 #include <cyg/fileio/fileio.h>
1157
1158 #include <cyg/kernel/kapi.h>
1159 #include <cyg/infra/diag.h>
1160
1161 //==========================================================================
1162 // Eventually we want to eXecute In Place from the ROM in a protected
1163 // environment, so we'll need executables to be aligned to a boundary
1164 // suitable for MMU protection. A suitable boundary would be the 4k
1165 // boundary in all the CPU architectures I am currently aware of.
1166
1167 // Forward definitions
1168
1169 // Filesystem operations
1170 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1171 static int tftpfs_umount(cyg_mtab_entry *mte);
1172 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1173                 int mode, cyg_file *fte);
1174 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1175 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1176
1177 // File operations
1178 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1179 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1180 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1181
1182 //==========================================================================
1183 // Filesystem table entries
1184
1185 // -------------------------------------------------------------------------
1186 // Fstab entry.
1187 // This defines the entry in the filesystem table.
1188 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1189 // we should never block in any filesystem operations.
1190 #if 1
1191 FSTAB_ENTRY( tftpfs_fste, "tftpfs", 0,
1192                 CYG_SYNCMODE_NONE,
1193                 tftpfs_mount,
1194                 tftpfs_umount,
1195                 tftpfs_open,
1196                 (cyg_fsop_unlink *)cyg_fileio_erofs,
1197                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1198                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1199                 (cyg_fsop_rename *)cyg_fileio_erofs,
1200                 (cyg_fsop_link *)cyg_fileio_erofs,
1201                 (cyg_fsop_opendir *)cyg_fileio_erofs,
1202                 (cyg_fsop_chdir *)cyg_fileio_erofs,
1203                 (cyg_fsop_stat *)cyg_fileio_erofs,
1204                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1205                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1206 #endif
1207
1208 // -------------------------------------------------------------------------
1209 // mtab entry.
1210 // This defines a single ROMFS loaded into ROM at the configured address
1211 //
1212 // MTAB_ENTRY(  rom_mte,        // structure name
1213 //              "/rom",         // mount point
1214 //              "romfs",        // FIlesystem type
1215 //              "",             // hardware device
1216 //  (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS   // Address in ROM
1217 //           );
1218
1219
1220 // -------------------------------------------------------------------------
1221 // File operations.
1222 // This set of file operations are used for normal open files.
1223
1224 static cyg_fileops tftpfs_fileops =
1225 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1226                 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1227                 tftpfs_fo_fsync, tftpfs_fo_close,
1228                 (cyg_fileop_fstat *) cyg_fileio_erofs,
1229                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1230                 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1231
1232 // -------------------------------------------------------------------------
1233 // tftpfs_mount()
1234 // Process a mount request. This mainly finds root for the
1235 // filesystem.
1236
1237 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1238 {
1239         return ENOERR;
1240 }
1241
1242 static int tftpfs_umount(cyg_mtab_entry *mte)
1243 {
1244         return ENOERR;
1245 }
1246
1247 struct Tftp
1248 {
1249         int write;
1250         int readFile;
1251         cyg_uint8 *mem;
1252         int actual;
1253         char *server;
1254         char *file;
1255 };
1256
1257 static void freeTftp(struct Tftp *t)
1258 {
1259         if (t == NULL)
1260                 return;
1261         if (t->mem)
1262                 free(t->mem);
1263         if (t->server)
1264                 free(t->server);
1265         if (t->file)
1266                 free(t->file);
1267         free(t);
1268 }
1269
1270 static const int tftpMaxSize = 8192 * 1024;
1271 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1272                 int mode, cyg_file *file)
1273 {
1274         struct Tftp *tftp;
1275         tftp = malloc(sizeof(struct Tftp));
1276         if (tftp == NULL)
1277                 return EMFILE;
1278         memset(tftp, 0, sizeof(struct Tftp));
1279
1280         file->f_flag |= mode & CYG_FILE_MODE_MASK;
1281         file->f_type = CYG_FILE_TYPE_FILE;
1282         file->f_ops = &tftpfs_fileops;
1283         file->f_offset = 0;
1284         file->f_data = 0;
1285         file->f_xops = 0;
1286
1287         tftp->mem = malloc(tftpMaxSize);
1288         if (tftp->mem == NULL)
1289         {
1290                 freeTftp(tftp);
1291                 return EMFILE;
1292         }
1293
1294         char *server = strchr(name, '/');
1295         if (server == NULL)
1296         {
1297                 freeTftp(tftp);
1298                 return EMFILE;
1299         }
1300
1301         tftp->server = malloc(server - name + 1);
1302         if (tftp->server == NULL)
1303         {
1304                 freeTftp(tftp);
1305                 return EMFILE;
1306         }
1307         strncpy(tftp->server, name, server - name);
1308         tftp->server[server - name] = 0;
1309
1310         tftp->file = strdup(server + 1);
1311         if (tftp->file == NULL)
1312         {
1313                 freeTftp(tftp);
1314                 return EMFILE;
1315         }
1316
1317         file->f_data = (CYG_ADDRWORD) tftp;
1318
1319         return ENOERR;
1320 }
1321
1322 static int fetchTftp(struct Tftp *tftp)
1323 {
1324         if (!tftp->readFile)
1325         {
1326                 int err;
1327                 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1328                                 tftpMaxSize, TFTP_OCTET, &err);
1329
1330                 if (tftp->actual < 0)
1331                 {
1332                         return EMFILE;
1333                 }
1334                 tftp->readFile = 1;
1335         }
1336         return ENOERR;
1337 }
1338
1339 // -------------------------------------------------------------------------
1340 // tftpfs_fo_write()
1341 // Read data from file.
1342
1343 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1344 {
1345         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1346
1347         if (fetchTftp(tftp) != ENOERR)
1348                 return EMFILE;
1349
1350         int i;
1351         off_t pos = fp->f_offset;
1352         int resid = 0;
1353         for (i = 0; i < uio->uio_iovcnt; i++)
1354         {
1355                 cyg_iovec *iov = &uio->uio_iov[i];
1356                 char *buf = (char *) iov->iov_base;
1357                 off_t len = iov->iov_len;
1358
1359                 if (len + pos > tftp->actual)
1360                 {
1361                         len = tftp->actual - pos;
1362                 }
1363                 resid += iov->iov_len - len;
1364
1365                 memcpy(buf, tftp->mem + pos, len);
1366                 pos += len;
1367
1368         }
1369         uio->uio_resid = resid;
1370         fp->f_offset = pos;
1371
1372         return ENOERR;
1373 }
1374
1375 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1376 {
1377         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1378
1379         int i;
1380         off_t pos = fp->f_offset;
1381         int resid = 0;
1382         for (i = 0; i < uio->uio_iovcnt; i++)
1383         {
1384                 cyg_iovec *iov = &uio->uio_iov[i];
1385                 char *buf = (char *) iov->iov_base;
1386                 off_t len = iov->iov_len;
1387
1388                 if (len + pos > tftpMaxSize)
1389                 {
1390                         len = tftpMaxSize - pos;
1391                 }
1392                 resid += iov->iov_len - len;
1393
1394                 memcpy(tftp->mem + pos, buf, len);
1395                 pos += len;
1396
1397         }
1398         uio->uio_resid = resid;
1399         fp->f_offset = pos;
1400
1401         tftp->write = 1;
1402
1403         return ENOERR;
1404 }
1405
1406 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1407 {
1408         int error = ENOERR;
1409         return error;
1410 }
1411
1412 // -------------------------------------------------------------------------
1413 // romfs_fo_close()
1414 // Close a file. We just clear out the data pointer.
1415
1416 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1417 {
1418         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1419         int error = ENOERR;
1420
1421         if (tftp->write)
1422         {
1423                 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1424                                 TFTP_OCTET, &error);
1425         }
1426
1427         freeTftp(tftp);
1428         fp->f_data = 0;
1429         return error;
1430 }
1431
1432 // -------------------------------------------------------------------------
1433 // romfs_fo_lseek()
1434 // Seek to a new file position.
1435
1436 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1437 {
1438         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1439         off_t pos = *apos;
1440
1441         if (fetchTftp(tftp) != ENOERR)
1442                 return EMFILE;
1443
1444         switch (whence)
1445         {
1446         case SEEK_SET:
1447                 // Pos is already where we want to be.
1448                 break;
1449
1450         case SEEK_CUR:
1451                 // Add pos to current offset.
1452                 pos += fp->f_offset;
1453                 break;
1454
1455         case SEEK_END:
1456                 // Add pos to file size.
1457                 pos += tftp->actual;
1458                 break;
1459
1460         default:
1461                 return EINVAL;
1462         }
1463
1464         // Check that pos is still within current file size, or at the
1465         // very end.
1466         if (pos < 0 || pos > tftp->actual)
1467                 return EINVAL;
1468
1469         // All OK, set fp offset and return new position.
1470         *apos = fp->f_offset = pos;
1471
1472         return ENOERR;
1473 }
1474
1475 void usleep(int us)
1476 {
1477         if (us > 10000)
1478                 cyg_thread_delay(us / 10000 + 1);
1479         else
1480                 HAL_DELAY_US(us);
1481 }
1482
1483 // Chunked version.
1484 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1485 {
1486         cyg_httpd_start_chunked("text");
1487         if (logCount >= logSize)
1488         {
1489                 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1490                                 - logCount % logSize);
1491         }
1492         cyg_httpd_write_chunked(logBuffer, writePtr);
1493         cyg_httpd_end_chunked();
1494         return -1;
1495 }
1496
1497 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1498
1499 // Filesystem operations
1500 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1501 static int logfs_umount(cyg_mtab_entry *mte);
1502 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1503                 int mode, cyg_file *fte);
1504 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1505
1506 // File operations
1507 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1508 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1509
1510 #include <cyg/io/devtab.h>
1511
1512 //==========================================================================
1513 // Filesystem table entries
1514
1515 // -------------------------------------------------------------------------
1516 // Fstab entry.
1517 // This defines the entry in the filesystem table.
1518 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1519 // we should never block in any filesystem operations.
1520 FSTAB_ENTRY( logfs_fste, "logfs", 0,
1521                 CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM,
1522                 logfs_mount,
1523                 logfs_umount,
1524                 logfs_open,
1525                 (cyg_fsop_unlink *)cyg_fileio_erofs,
1526                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1527                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1528                 (cyg_fsop_rename *)cyg_fileio_erofs,
1529                 (cyg_fsop_link *)cyg_fileio_erofs,
1530                 (cyg_fsop_opendir *)cyg_fileio_erofs,
1531                 (cyg_fsop_chdir *)cyg_fileio_erofs,
1532                 (cyg_fsop_stat *)cyg_fileio_erofs,
1533                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1534                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1535
1536 // -------------------------------------------------------------------------
1537 // File operations.
1538 // This set of file operations are used for normal open files.
1539
1540 static cyg_fileops logfs_fileops =
1541 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1542                 (cyg_fileop_lseek *) cyg_fileio_erofs,
1543                 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1544                 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1545                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1546                 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1547
1548 // -------------------------------------------------------------------------
1549 // logfs_mount()
1550 // Process a mount request. This mainly finds root for the
1551 // filesystem.
1552
1553 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1554 {
1555         return ENOERR;
1556 }
1557
1558 static int logfs_umount(cyg_mtab_entry *mte)
1559 {
1560         return ENOERR;
1561 }
1562
1563 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1564                 int mode, cyg_file *file)
1565 {
1566         file->f_flag |= mode & CYG_FILE_MODE_MASK;
1567         file->f_type = CYG_FILE_TYPE_FILE;
1568         file->f_ops = &logfs_fileops;
1569         file->f_offset = 0;
1570         file->f_data = 0;
1571         file->f_xops = 0;
1572         return ENOERR;
1573 }
1574
1575 // -------------------------------------------------------------------------
1576 // logfs_fo_write()
1577 // Write data to file.
1578
1579 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1580 {
1581         int i;
1582         for (i = 0; i < uio->uio_iovcnt; i++)
1583         {
1584                 cyg_iovec *iov = &uio->uio_iov[i];
1585                 char *buf = (char *) iov->iov_base;
1586                 off_t len = iov->iov_len;
1587
1588                 diag_write(buf, len);
1589         }
1590         uio->uio_resid = 0;
1591
1592         return ENOERR;
1593 }
1594 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1595 {
1596         return ENOERR;
1597 }
1598
1599 // -------------------------------------------------------------------------
1600 // romfs_fo_close()
1601 // Close a file. We just clear out the data pointer.
1602
1603 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1604 {
1605         return ENOERR;
1606 }
1607