zy1000: add : port number syntax for tftp filing system
[openocd.git] / src / ecosboard.c
1 /***************************************************************************
2 * Copyright (C) 2007-2010 by √ėyvind 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 <helper/types.h>
25 #include <jtag/jtag.h>
26 #include <helper/ioutil.h>
27 #include <helper/util.h>
28 #include <helper/configuration.h>
29
30 #include <server/server.h>
31 #include <server/telnet_server.h>
32 #include <server/gdb_server.h>
33 #include <openocd.h>
34
35 #include <helper/time_support.h>
36
37 #include <sys/time.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 #include <errno.h>
43
44 #include <cyg/io/flash.h>
45 #include <pkgconf/fs_jffs2.h> // Address of JFFS2
46 #include <network.h>
47
48 #include <fcntl.h>
49 #include <sys/stat.h>
50 #include <cyg/fileio/fileio.h>
51 #include <dirent.h>
52 #include <cyg/athttpd/http.h>
53 #include <cyg/athttpd/socket.h>
54 #include <cyg/athttpd/handler.h>
55 #include <cyg/athttpd/cgi.h>
56 #include <cyg/athttpd/forms.h>
57 #include <cyg/discover/discover.h>
58 #include <cyg/io/io.h>
59 #include <cyg/io/serialio.h>
60 #include <netinet/tcp.h>
61 #include <cyg/hal/hal_diag.h>
62
63 #include "rom.h"
64
65 #ifdef CYGPKG_HAL_NIOS2
66 #include <cyg/hal/io.h>
67 #define ZY1000_SER_DEV "/dev/uart_0"
68 #else
69 #define ZY1000_SER_DEV "/dev/ser0"
70
71 #endif
72
73
74 #define MAX_IFS 64
75 #if defined(CYGPKG_NET_FREEBSD_STACK)
76 #include <tftp_support.h>
77 /* posix compatibility broken*/
78 struct tftpd_fileops fileops =
79 {
80 (int (*)(const char *, int))open,
81 close,
82 (int (*)(int, const void *, int))write,
83 (int (*)(int, void *, int))read
84 };
85
86 #endif
87
88
89 void diag_write(char *buf, int len)
90 {
91 int j;
92 for (j = 0; j < len; j++)
93 {
94 diag_printf("%c", buf[j]);
95 }
96 }
97
98 static bool serialLog = true;
99 static bool writeLog = true;
100
101 char hwaddr[512];
102
103 #ifdef CYGPKG_PROFILE_GPROF
104 #include <cyg/profile/profile.h>
105
106 extern char _stext, _etext; // Defined by the linker
107
108 static char *start_of_code=&_stext;
109 static char *end_of_code=&_etext;
110
111 void start_profile(void)
112 {
113 // This starts up the system-wide profiling, gathering
114 // profile information on all of the code, with a 16 byte
115 // "bucket" size, at a rate of 100us/profile hit.
116 // Note: a bucket size of 16 will give pretty good function
117 // resolution. Much smaller and the buffer becomes
118 // much too large for very little gain.
119 // Note: a timer period of 100us is also a reasonable
120 // compromise. Any smaller and the overhead of
121 // handling the timter (profile) interrupt could
122 // swamp the system. A fast processor might get
123 // by with a smaller value, but a slow one could
124 // even be swamped by this value. If the value is
125 // too large, the usefulness of the profile is reduced.
126
127 // no more interrupts than 1/10ms.
128 //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
129 // profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
130 profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
131 }
132 #endif
133
134 static FILE *log;
135
136 static char reboot_stack[2048];
137
138 static void zylinjtag_reboot(cyg_addrword_t data)
139 {
140 serialLog = true;
141 diag_printf("Rebooting in 500 ticks..\n");
142 cyg_thread_delay(500);
143 diag_printf("Unmounting /config..\n");
144 umount("/config");
145 diag_printf("Rebooting..\n");
146 #ifdef CYGPKG_HAL_NIOS2
147 /* This will reboot & reconfigure the FPGA from the bootloader
148 * and on.
149 */
150 IOWR(REMOTE_UPDATE_BASE, 0x20, 0x1);
151 #else
152 HAL_PLATFORM_RESET();
153 #endif
154 }
155 static cyg_thread zylinjtag_thread_object;
156 static cyg_handle_t zylinjtag_thread_handle;
157
158 void reboot(void)
159 {
160 cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
161 (void *) reboot_stack, sizeof(reboot_stack),
162 &zylinjtag_thread_handle, &zylinjtag_thread_object);
163 cyg_thread_resume(zylinjtag_thread_handle);
164 }
165
166 static char zylinjtag_reboot_port_stack[2048];
167 static cyg_thread zylinjtag_reboot_port_thread_object;
168 static cyg_handle_t zylinjtag_reboot_port_thread_handle;
169
170 static void zylinjtag_reboot_port_task(cyg_addrword_t data)
171 {
172 int so_reuseaddr_option = 1;
173
174 int fd;
175 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
176 {
177 LOG_ERROR("error creating socket: %s", strerror(errno));
178 exit(-1);
179 }
180
181 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
182 sizeof(int));
183
184 struct sockaddr_in sin;
185 unsigned int address_size;
186 address_size = sizeof(sin);
187 memset(&sin, 0, sizeof(sin));
188 sin.sin_family = AF_INET;
189 sin.sin_addr.s_addr = INADDR_ANY;
190 sin.sin_port = htons(1234);
191
192 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
193 {
194 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
195 exit(-1);
196 }
197
198 if (listen(fd, 1) == -1)
199 {
200 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
201 exit(-1);
202 }
203 // socket_nonblock(fd);
204
205
206 accept(fd, (struct sockaddr *) &sin, &address_size);
207
208 diag_printf("Got reboot signal on port 1234");
209
210 reboot();
211
212 }
213
214 void reboot_port(void)
215 {
216 cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
217 (void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
218 &zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
219 cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
220 }
221
222 int configuration_output_handler(struct command_context *context,
223 const char* line)
224 {
225 diag_printf("%s", line);
226
227 return ERROR_OK;
228 }
229
230 int zy1000_configuration_output_handler_log(struct command_context *context,
231 const char* line)
232 {
233 LOG_USER_N("%s", line);
234
235 return ERROR_OK;
236 }
237
238 #ifdef CYGPKG_PROFILE_GPROF
239 //extern int64_t totaltime;
240
241 static int zylinjtag_Jim_Command_profile(Jim_Interp *interp, int argc,
242 Jim_Obj * const *argv)
243 {
244 if ((argc == 2) && (strcmp(Jim_GetString(argv[1], NULL), "stats")==0))
245 {
246 // profile_off();
247 //LOG_USER("Stats %dms sleeping in select()", (int)totaltime);
248 } else
249 {
250 LOG_USER("Profiling started");
251 start_profile();
252 //totaltime = 0;
253 }
254 return ERROR_OK;
255 }
256
257 #endif
258
259 externC void phi_init_all_network_interfaces(void);
260
261 struct command_context *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 static void zylinjtag_startNetwork(void)
478 {
479 // Bring TCP/IP up immediately before we're ready to accept commands.
480 //
481 // That is as soon as a PING responds, we're accepting telnet sessions.
482 #if defined(CYGPKG_NET_FREEBSD_STACK)
483 phi_init_all_network_interfaces();
484 #else
485 lwip_init();
486 #endif
487 if (!eth0_up)
488 {
489 diag_printf("Network not up and running\n");
490 exit(-1);
491 }
492
493 /* very first thing we want is a reboot capability */
494 reboot_port();
495
496 #if defined(CYGPKG_NET_FREEBSD_STACK)
497 /*start TFTP*/
498 tftpd_start(69, &fileops);
499 #endif
500
501 cyg_httpd_init_tcl_interpreter();
502
503 Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
504 NULL, NULL);
505 Jim_CreateCommand(httpstate.jim_interp, "zy1000_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, "format_jffs2",
510 zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
511
512 cyg_httpd_start();
513
514 webRunning = true;
515
516 diag_printf("Web server running\n");
517
518 int s;
519 struct ifreq ifr;
520 s = socket(AF_INET, SOCK_DGRAM, 0);
521 if (s >= 0)
522 {
523 strcpy(ifr.ifr_name, "eth0");
524 int res;
525 res = ioctl(s, SIOCGIFHWADDR, &ifr);
526 close(s);
527
528 if (res < 0)
529 {
530 diag_printf("Can't obtain MAC address\n");
531 reboot();
532 }
533 }
534
535 sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
536 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
537 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
538 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
539 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
540 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
541 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
542
543 discover_message
544 = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
545
546 discover_launch();
547 }
548
549 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
550 cyg_addrword_t info)
551 {
552 writeLog = false;
553 serialLog = true;
554 char *infoStr = "unknown";
555 switch (exception)
556 {
557 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
558 case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
559 infoStr = "undefined instruction";
560 break;
561 case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
562 infoStr = "software interrupt";
563 break;
564 case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
565 infoStr = "abort prefetch";
566 break;
567 case CYGNUM_HAL_VECTOR_ABORT_DATA:
568 infoStr = "abort data";
569 break;
570 #endif
571 default:
572 break;
573 }
574
575 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
576
577 diag_printf("Dumping log\n---\n");
578 if (logCount >= logSize)
579 {
580 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
581 }
582 diag_write(logBuffer, writePtr);
583
584 diag_printf("---\nLogdump complete.\n");
585 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
586 diag_printf("\n---\nRebooting\n");
587 HAL_PLATFORM_RESET();
588
589 }
590
591 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
592 static void setHandler(cyg_code_t exception)
593 {
594 cyg_exception_handler_t *old_handler;
595 cyg_addrword_t old_data;
596
597 cyg_exception_set_handler(exception, print_exception_handler, 0,
598 &old_handler, &old_data);
599 }
600 #endif
601
602 static cyg_thread zylinjtag_uart_thread_object;
603 static cyg_handle_t zylinjtag_uart_thread_handle;
604 static char uart_stack[4096];
605
606 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
607 static char backwardBuffer[1024];
608
609 void setNoDelay(int session, int flag)
610 {
611 #if 1
612 // This decreases latency dramatically for e.g. GDB load which
613 // does not have a sliding window protocol
614 //
615 // Can cause *lots* of TCP/IP packets to be sent and it would have
616 // to be enabled/disabled on the fly to avoid the CPU being
617 // overloaded...
618 setsockopt(session, /* socket affected */
619 IPPROTO_TCP, /* set option at TCP level */
620 TCP_NODELAY, /* name of option */
621 (char *) &flag, /* the cast is historical
622 cruft */
623 sizeof(int)); /* length of option value */
624 #endif
625 }
626
627 #define TEST_TCPIP() 0
628
629 #if TEST_TCPIP
630 struct
631 {
632 int req;
633 int actual;
634 int req2;
635 int actual2;
636 } tcpipSent[512 * 1024];
637 int cur;
638 #endif
639
640 static void zylinjtag_uart(cyg_addrword_t data)
641 {
642 int so_reuseaddr_option = 1;
643
644 int fd;
645 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
646 {
647 LOG_ERROR("error creating socket: %s", strerror(errno));
648 exit(-1);
649 }
650
651 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
652 sizeof(int));
653
654 struct sockaddr_in sin;
655 unsigned int address_size;
656 address_size = sizeof(sin);
657 memset(&sin, 0, sizeof(sin));
658 sin.sin_family = AF_INET;
659 sin.sin_addr.s_addr = INADDR_ANY;
660 sin.sin_port = htons(5555);
661
662 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
663 {
664 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
665 exit(-1);
666 }
667
668 if (listen(fd, 1) == -1)
669 {
670 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
671 exit(-1);
672 }
673 // socket_nonblock(fd);
674
675
676 for (;;)
677 {
678 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
679 if (session < 0)
680 {
681 continue;
682 }
683
684 setNoDelay(session, 1);
685 int oldopts = fcntl(session, F_GETFL, 0);
686 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
687
688 int serHandle = open(ZY1000_SER_DEV, O_RDWR | O_NONBLOCK);
689 if (serHandle < 0)
690 {
691 close(session);
692 continue;
693 }
694
695 #ifdef CYGPKG_PROFILE_GPROF
696 start_profile();
697 #endif
698 size_t actual = 0;
699 size_t actual2 = 0;
700 size_t pos, pos2;
701 pos = 0;
702 pos2 = 0;
703 #if TEST_TCPIP
704 cur = 0;
705 #endif
706 for (;;)
707 {
708 fd_set write_fds;
709 fd_set read_fds;
710 FD_ZERO(&write_fds);
711 FD_ZERO(&read_fds);
712 int fd_max = -1;
713 FD_SET(session, &read_fds);
714 fd_max = session;
715 FD_SET(serHandle, &read_fds);
716 if (serHandle > fd_max)
717 {
718 fd_max = serHandle;
719 }
720 /* Wait... */
721
722 cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
723 if ((actual == 0) && (actual2 == 0))
724 {
725 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
726 if (retval <= 0)
727 {
728 break;
729 }
730 }
731
732 if (actual2 <= 0)
733 {
734 memset(backwardBuffer, 's', sizeof(backwardBuffer));
735 int t;
736 t = read(serHandle, backwardBuffer,
737 sizeof(backwardBuffer));
738 actual2 = t;
739 if (t < 0)
740 {
741 if (errno != EAGAIN)
742 {
743 goto closeSession;
744 }
745 actual2 = 0;
746 }
747 pos2 = 0;
748 }
749
750 size_t y = 0;
751 if (actual2 > 0)
752 {
753 int written = write(session, backwardBuffer + pos2, actual2);
754 if (written <= 0)
755 goto closeSession;
756 actual2 -= written;
757 pos2 += written;
758 y = written;
759 }
760
761 if (FD_ISSET(session, &read_fds)
762 && (sizeof(forwardBuffer) > actual))
763 {
764 // NB! Here it is important that we empty the TCP/IP read buffer
765 // to make transmission tick right
766 memmove(forwardBuffer, forwardBuffer + pos, actual);
767 pos = 0;
768 int t;
769 // this will block if there is no data at all
770 t = read_socket(session, forwardBuffer + actual,
771 sizeof(forwardBuffer) - actual);
772 if (t <= 0)
773 {
774 goto closeSession;
775 }
776 actual += t;
777 }
778
779 int y2 = 0;
780 if (actual > 0)
781 {
782 /* Do not put things into the serial buffer if it has something to send
783 * as that can cause a single byte to be sent at the time.
784 *
785 *
786 */
787 int written = write(serHandle, forwardBuffer + pos, actual);
788 if (written < 0)
789 {
790 if (errno != EAGAIN)
791 {
792 goto closeSession;
793 }
794 // The serial buffer is full
795 written = 0;
796 }
797 else
798 {
799 actual -= written;
800 pos += written;
801 }
802 y2 = written;
803 }
804 #if TEST_TCPIP
805 if (cur < 1024)
806 {
807 tcpipSent[cur].req = x;
808 tcpipSent[cur].actual = y;
809 tcpipSent[cur].req2 = x2;
810 tcpipSent[cur].actual2 = y2;
811 cur++;
812 }
813 #endif
814 }
815 closeSession: close(session);
816 close(serHandle);
817
818 #if TEST_TCPIP
819 int i;
820 for (i = 0; i < 1024; i++)
821 {
822 diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
823 tcpipSent[i].req2, tcpipSent[i].actual2);
824
825 }
826 #endif
827 }
828 close(fd);
829
830 }
831
832 void startUart(void)
833 {
834 cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
835 (void *) uart_stack, sizeof(uart_stack),
836 &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
837 cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
838 cyg_thread_resume(zylinjtag_uart_thread_handle);
839 }
840
841 static int zylinjtag_Jim_Command_uart(Jim_Interp *interp, int argc,
842 Jim_Obj * const *argv)
843 {
844 static int current_baud = 38400;
845 if (argc == 1)
846 {
847 Jim_SetResult(interp, Jim_NewIntObj(interp, current_baud));
848 return JIM_OK;
849 }
850 else if (argc != 2)
851 {
852 return JIM_ERR;
853 }
854
855 long new_baudrate;
856 if (Jim_GetLong(interp, argv[1], &new_baudrate) != JIM_OK)
857 return JIM_ERR;
858
859 current_baud = new_baudrate;
860
861 int baud;
862 switch (current_baud)
863 {
864 case 9600:
865 baud = CYGNUM_SERIAL_BAUD_9600;
866 break;
867 case 19200:
868 baud = CYGNUM_SERIAL_BAUD_19200;
869 break;
870 case 38400:
871 baud = CYGNUM_SERIAL_BAUD_38400;
872 break;
873 case 57600:
874 baud = CYGNUM_SERIAL_BAUD_57600;
875 break;
876 case 115200:
877 baud = CYGNUM_SERIAL_BAUD_115200;
878 break;
879 case 230400:
880 baud = CYGNUM_SERIAL_BAUD_230400;
881 break;
882 default:
883 Jim_SetResult(interp, Jim_NewStringObj(interp, "unsupported baudrate", -1));
884 return JIM_ERR;
885 }
886
887 cyg_serial_info_t buf;
888 cyg_uint32 len = 1;
889 //get existing serial configuration
890 len = sizeof(cyg_serial_info_t);
891 int err;
892 cyg_io_handle_t serial_handle;
893
894 err = cyg_io_lookup(ZY1000_SER_DEV, &serial_handle);
895 if (err != ENOERR)
896 {
897 Jim_SetResult(interp, Jim_NewStringObj(interp, "Could not open serial port", -1));
898 return JIM_ERR;
899 }
900
901 err = cyg_io_get_config(serial_handle,
902 CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
903 err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
904 &len);
905 if (err != ENOERR)
906 {
907 Jim_SetResult(interp, Jim_NewStringObj(interp, "Failed to get serial port settings", -1));
908 return JIM_ERR;
909 }
910 buf.baud = baud;
911
912 err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
913 &len);
914 if (err != ENOERR)
915 {
916 Jim_SetResult(interp, Jim_NewStringObj(interp, "Failed to set serial port settings", -1));
917 return JIM_ERR;
918 }
919
920 return JIM_OK;
921 }
922
923 bool logAllToSerial = false;
924
925
926 int boolParam(char *var);
927
928
929 static const char *zylin_config_dir="/config/settings";
930
931 static int add_default_dirs(void)
932 {
933 add_script_search_dir(zylin_config_dir);
934 add_script_search_dir("/rom/lib/openocd");
935 add_script_search_dir("/rom");
936 return ERROR_OK;
937 }
938
939 int main(int argc, char *argv[])
940 {
941 /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
942 * need to allocate towards the end of the heap. */
943
944 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
945 setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
946 setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
947 setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
948 #endif
949
950 int err;
951
952 atexit(keep_webserver);
953
954 diag_init_putc(_zylinjtag_diag_write_char);
955 // We want this in the log.
956 #ifdef CYGPKG_HAL_NIOS2
957 diag_printf("Zylin ZY1000 PCB revc.\n");
958 #else
959 diag_printf("Zylin ZY1000 PCB revb.\n");
960 #endif
961
962 err = mount("", "/ram", "ramfs");
963 if (err < 0)
964 {
965 diag_printf("unable to mount ramfs\n");
966 }
967 chdir("/ram");
968
969 char address[16];
970 sprintf(address, "%p", &filedata[0]);
971 err = mount(address, "/rom", "romfs");
972 if (err < 0)
973 {
974 diag_printf("unable to mount /rom\n");
975 }
976
977 err = mount("", "/log", "logfs");
978 if (err < 0)
979 {
980 diag_printf("unable to mount logfs\n");
981 }
982
983 err = mount("", "/tftp", "tftpfs");
984 if (err < 0)
985 {
986 diag_printf("unable to mount logfs\n");
987 }
988
989 log = fopen("/log/log", "w");
990 if (log == NULL)
991 {
992 diag_printf("Could not open log file /ram/log\n");
993 exit(-1);
994 }
995
996
997 copydir("/rom", "/ram/cgi");
998
999 #ifdef CYGPKG_HAL_NIOS2
1000 cyg_flashaddr_t err_address;
1001 #define UNCACHED_EXT_FLASH_BASE (0x80000000 + EXT_FLASH_BASE)
1002 /* The revc flash is locked upon reset, unlock it */
1003 #ifdef CYGHWR_IO_FLASH_BLOCK_LOCKING
1004 if ((err = flash_unlock((void *) UNCACHED_EXT_FLASH_BASE, EXT_FLASH_SPAN,
1005 (void **) &err_address)) != 0)
1006 {
1007 diag_printf("Error: could not unlock flash\n");
1008 }
1009 #endif
1010 #endif
1011
1012
1013 err = mount("/dev/flash1", "/config", "jffs2");
1014 if (err < 0)
1015 {
1016 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
1017 err = mount("", "/config", "ramfs");
1018 if (err < 0)
1019 {
1020 diag_printf("unable to mount /config as ramdisk.\n");
1021 reboot();
1022 }
1023 }
1024 else
1025 {
1026 /* are we using a ram disk instead of a flash disk? This is used
1027 * for ZY1000 live demo...
1028 *
1029 * copy over flash disk to ram block device
1030 */
1031 if (boolParam("ramdisk"))
1032 {
1033 diag_printf("Unmounting /config from flash and using ram instead\n");
1034 err = umount("/config");
1035 if (err < 0)
1036 {
1037 diag_printf("unable to unmount jffs\n");
1038 reboot();
1039 }
1040
1041 err = mount("/dev/flash1", "/config2", "jffs2");
1042 if (err < 0)
1043 {
1044 diag_printf("unable to mount jffs\n");
1045 reboot();
1046 }
1047
1048 err = mount("", "/config", "ramfs");
1049 if (err < 0)
1050 {
1051 diag_printf("unable to mount ram block device\n");
1052 reboot();
1053 }
1054
1055 // copydir("/config2", "/config");
1056 copyfile("/config2/ip", "/config/ip");
1057 copydir("/config2/settings", "/config/settings");
1058
1059 umount("/config2");
1060 }
1061 }
1062
1063 mkdir(zylin_config_dir, 0777);
1064 char *dirname = alloc_printf("%s/target", zylin_config_dir);
1065 mkdir(dirname, 0777);
1066 free(dirname);
1067 dirname = alloc_printf("%s/board", zylin_config_dir);
1068 mkdir(dirname, 0777);
1069 free(dirname);
1070 dirname = alloc_printf("%s/event", zylin_config_dir);
1071 mkdir(dirname, 0777);
1072 free(dirname);
1073
1074 logAllToSerial = boolParam("logserial");
1075
1076 // We need the network & web server in case there is something wrong with
1077 // the config files that invoke exit()
1078 zylinjtag_startNetwork();
1079
1080 /* we're going to access the jim interpreter from here on... */
1081 openocd_sleep_postlude();
1082 startUart();
1083
1084 add_default_dirs();
1085
1086 /* initialize commandline interface */
1087 struct command_context * cmd_ctx;
1088 struct command_context *setup_command_handler(Jim_Interp *interp);
1089 cmd_ctx = setup_command_handler(httpstate.jim_interp);
1090 command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1091 command_context_mode(cmd_ctx, COMMAND_CONFIG);
1092
1093 if (util_init(cmd_ctx) != ERROR_OK)
1094 return EXIT_FAILURE;
1095
1096 if (ioutil_init(cmd_ctx) != ERROR_OK)
1097 return EXIT_FAILURE;
1098
1099 #ifdef CYGPKG_PROFILE_GPROF
1100 Jim_CreateCommand(httpstate.jim_interp, "zy1000_profile", zylinjtag_Jim_Command_profile,
1101 NULL, NULL);
1102 #endif
1103
1104 Jim_CreateCommand(httpstate.jim_interp, "zy1000_uart", zylinjtag_Jim_Command_uart, NULL, NULL);
1105
1106
1107 log_init();
1108
1109 set_log_output(cmd_ctx, log);
1110
1111 LOG_DEBUG("log init complete");
1112
1113 // diag_printf("Executing config files\n");
1114
1115 if (logAllToSerial)
1116 {
1117 diag_printf(
1118 "%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1119 command_run_line(cmd_ctx, "debug_level 3");
1120 }
1121
1122 command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1123
1124 int ret;
1125 ret = server_init(cmd_ctx);
1126 if (ERROR_OK != ret)
1127 return EXIT_FAILURE;
1128
1129 /* we MUST always run the init command as it will launch telnet sessions */
1130 command_run_line(cmd_ctx, "init");
1131
1132 // FIX!!! Yuk!
1133 // diag_printf() is really invoked from many more places than we trust it
1134 // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1135 //
1136 // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1137 // fingers that it doesn't cause any crashes.
1138 diag_printf("Init complete, GDB & telnet servers launched.\n");
1139 command_set_output_handler(cmd_ctx,
1140 zy1000_configuration_output_handler_log, NULL);
1141 if (!logAllToSerial)
1142 {
1143 serialLog = false;
1144 }
1145
1146 /* handle network connections */
1147 server_loop(cmd_ctx);
1148 openocd_sleep_prelude();
1149
1150 /* shut server down */
1151 server_quit();
1152
1153 /* free commandline interface */
1154 command_done(cmd_ctx);
1155 umount("/config");
1156
1157 exit(0);
1158 for (;;)
1159 ;
1160 }
1161
1162 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1163 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1164 {
1165 cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1166 return 0;
1167 }
1168
1169 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1170
1171 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1172 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1173
1174 #include <pkgconf/system.h>
1175 #include <pkgconf/hal.h>
1176 #include <pkgconf/kernel.h>
1177 #include <pkgconf/io_fileio.h>
1178 #include <pkgconf/fs_rom.h>
1179
1180 #include <cyg/kernel/ktypes.h> // base kernel types
1181 #include <cyg/infra/cyg_trac.h> // tracing macros
1182 #include <cyg/infra/cyg_ass.h> // assertion macros
1183 #include <cyg/fileio/fileio.h>
1184 #include <cyg/kernel/kapi.h>
1185 #include <cyg/infra/diag.h>
1186
1187 //==========================================================================
1188 // Eventually we want to eXecute In Place from the ROM in a protected
1189 // environment, so we'll need executables to be aligned to a boundary
1190 // suitable for MMU protection. A suitable boundary would be the 4k
1191 // boundary in all the CPU architectures I am currently aware of.
1192
1193 // Forward definitions
1194
1195 // Filesystem operations
1196 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1197 static int tftpfs_umount(cyg_mtab_entry *mte);
1198 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1199 int mode, cyg_file *fte);
1200 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1201 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1202
1203 // File operations
1204 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1205 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1206 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1207
1208 //==========================================================================
1209 // Filesystem table entries
1210
1211 // -------------------------------------------------------------------------
1212 // Fstab entry.
1213 // This defines the entry in the filesystem table.
1214 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1215 // we should never block in any filesystem operations.
1216 #if 1
1217 FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
1218 CYG_SYNCMODE_NONE,
1219 tftpfs_mount,
1220 tftpfs_umount,
1221 tftpfs_open,
1222 (cyg_fsop_unlink *)cyg_fileio_erofs,
1223 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1224 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1225 (cyg_fsop_rename *)cyg_fileio_erofs,
1226 (cyg_fsop_link *)cyg_fileio_erofs,
1227 (cyg_fsop_opendir *)cyg_fileio_erofs,
1228 (cyg_fsop_chdir *)cyg_fileio_erofs,
1229 (cyg_fsop_stat *)cyg_fileio_erofs,
1230 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1231 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1232 #endif
1233
1234 // -------------------------------------------------------------------------
1235 // mtab entry.
1236 // This defines a single ROMFS loaded into ROM at the configured address
1237 //
1238 // MTAB_ENTRY(rom_mte, // structure name
1239 // "/rom", // mount point
1240 // "romfs", // FIlesystem type
1241 // "", // hardware device
1242 // (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
1243 //);
1244
1245
1246 // -------------------------------------------------------------------------
1247 // File operations.
1248 // This set of file operations are used for normal open files.
1249
1250 static cyg_fileops tftpfs_fileops =
1251 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1252 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1253 tftpfs_fo_fsync, tftpfs_fo_close,
1254 (cyg_fileop_fstat *) cyg_fileio_erofs,
1255 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1256 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1257
1258 // -------------------------------------------------------------------------
1259 // tftpfs_mount()
1260 // Process a mount request. This mainly finds root for the
1261 // filesystem.
1262
1263 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1264 {
1265 return ENOERR;
1266 }
1267
1268 static int tftpfs_umount(cyg_mtab_entry *mte)
1269 {
1270 return ENOERR;
1271 }
1272
1273 struct Tftp
1274 {
1275 int write;
1276 int readFile;
1277 cyg_uint8 *mem;
1278 int actual;
1279 char *server;
1280 int port;
1281 char *file;
1282 };
1283
1284 static void freeTftp(struct Tftp *t)
1285 {
1286 if (t == NULL)
1287 return;
1288 if (t->mem)
1289 free(t->mem);
1290 if (t->server)
1291 free(t->server);
1292 if (t->file)
1293 free(t->file);
1294 free(t);
1295 }
1296
1297 static const int tftpMaxSize = 8192 * 1024;
1298 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1299 int mode, cyg_file *file)
1300 {
1301 struct Tftp *tftp;
1302 tftp = malloc(sizeof(struct Tftp));
1303 if (tftp == NULL)
1304 return EMFILE;
1305 memset(tftp, 0, sizeof(struct Tftp));
1306
1307 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1308 file->f_type = CYG_FILE_TYPE_FILE;
1309 file->f_ops = &tftpfs_fileops;
1310 file->f_offset = 0;
1311 file->f_data = 0;
1312 file->f_xops = 0;
1313
1314 tftp->mem = malloc(tftpMaxSize);
1315 if (tftp->mem == NULL)
1316 {
1317 freeTftp(tftp);
1318 return EMFILE;
1319 }
1320
1321 char *server = strchr(name, '/');
1322 if (server == NULL)
1323 {
1324 freeTftp(tftp);
1325 return EMFILE;
1326 }
1327
1328 tftp->server = malloc(server - name + 1);
1329 if (tftp->server == NULL)
1330 {
1331 freeTftp(tftp);
1332 return EMFILE;
1333 }
1334 strncpy(tftp->server, name, server - name);
1335 tftp->server[server - name] = 0;
1336
1337 tftp->port = 0; /* default port 69 */
1338 char *port;
1339 port = strchr(tftp->server, ':');
1340 if (port != NULL)
1341 {
1342 tftp->port = atoi(port + 1);
1343 *port = 0;
1344 }
1345
1346 tftp->file = strdup(server + 1);
1347 if (tftp->file == NULL)
1348 {
1349 freeTftp(tftp);
1350 return EMFILE;
1351 }
1352
1353 file->f_data = (CYG_ADDRWORD) tftp;
1354
1355 return ENOERR;
1356 }
1357
1358 static int fetchTftp(struct Tftp *tftp)
1359 {
1360 if (!tftp->readFile)
1361 {
1362 int err;
1363 tftp->actual = tftp_client_get(tftp->file, tftp->server, tftp->port, tftp->mem,
1364 tftpMaxSize, TFTP_OCTET, &err);
1365
1366 if (tftp->actual < 0)
1367 {
1368 return EMFILE;
1369 }
1370 tftp->readFile = 1;
1371 }
1372 return ENOERR;
1373 }
1374
1375 // -------------------------------------------------------------------------
1376 // tftpfs_fo_write()
1377 // Read data from file.
1378
1379 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1380 {
1381 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1382
1383 if (fetchTftp(tftp) != ENOERR)
1384 return EMFILE;
1385
1386 int i;
1387 off_t pos = fp->f_offset;
1388 int resid = 0;
1389 for (i = 0; i < uio->uio_iovcnt; i++)
1390 {
1391 cyg_iovec *iov = &uio->uio_iov[i];
1392 char *buf = (char *) iov->iov_base;
1393 off_t len = iov->iov_len;
1394
1395 if (len + pos > tftp->actual)
1396 {
1397 len = tftp->actual - pos;
1398 }
1399 resid += iov->iov_len - len;
1400
1401 memcpy(buf, tftp->mem + pos, len);
1402 pos += len;
1403
1404 }
1405 uio->uio_resid = resid;
1406 fp->f_offset = pos;
1407
1408 return ENOERR;
1409 }
1410
1411 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1412 {
1413 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1414
1415 int i;
1416 off_t pos = fp->f_offset;
1417 int resid = 0;
1418 for (i = 0; i < uio->uio_iovcnt; i++)
1419 {
1420 cyg_iovec *iov = &uio->uio_iov[i];
1421 char *buf = (char *) iov->iov_base;
1422 off_t len = iov->iov_len;
1423
1424 if (len + pos > tftpMaxSize)
1425 {
1426 len = tftpMaxSize - pos;
1427 }
1428 resid += iov->iov_len - len;
1429
1430 memcpy(tftp->mem + pos, buf, len);
1431 pos += len;
1432
1433 }
1434 uio->uio_resid = resid;
1435 fp->f_offset = pos;
1436
1437 tftp->write = 1;
1438
1439 return ENOERR;
1440 }
1441
1442 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1443 {
1444 int error = ENOERR;
1445 return error;
1446 }
1447
1448 // -------------------------------------------------------------------------
1449 // romfs_fo_close()
1450 // Close a file. We just clear out the data pointer.
1451
1452 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1453 {
1454 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1455 int error = ENOERR;
1456
1457 if (tftp->write)
1458 {
1459 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1460 TFTP_OCTET, &error);
1461 }
1462
1463 freeTftp(tftp);
1464 fp->f_data = 0;
1465 return error;
1466 }
1467
1468 // -------------------------------------------------------------------------
1469 // romfs_fo_lseek()
1470 // Seek to a new file position.
1471
1472 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1473 {
1474 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1475 off_t pos = *apos;
1476
1477 if (fetchTftp(tftp) != ENOERR)
1478 return EMFILE;
1479
1480 switch (whence)
1481 {
1482 case SEEK_SET:
1483 // Pos is already where we want to be.
1484 break;
1485
1486 case SEEK_CUR:
1487 // Add pos to current offset.
1488 pos += fp->f_offset;
1489 break;
1490
1491 case SEEK_END:
1492 // Add pos to file size.
1493 pos += tftp->actual;
1494 break;
1495
1496 default:
1497 return EINVAL;
1498 }
1499
1500 // Check that pos is still within current file size, or at the
1501 // very end.
1502 if (pos < 0 || pos > tftp->actual)
1503 return EINVAL;
1504
1505 // All OK, set fp offset and return new position.
1506 *apos = fp->f_offset = pos;
1507
1508 return ENOERR;
1509 }
1510
1511 void usleep(int us)
1512 {
1513 if (us > 10000)
1514 cyg_thread_delay(us / 10000 + 1);
1515 else
1516 HAL_DELAY_US(us);
1517 }
1518
1519 // Chunked version.
1520 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1521 {
1522 cyg_httpd_start_chunked("text");
1523 if (logCount >= logSize)
1524 {
1525 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1526 - logCount % logSize);
1527 }
1528 cyg_httpd_write_chunked(logBuffer, writePtr);
1529 cyg_httpd_end_chunked();
1530 return -1;
1531 }
1532
1533 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1534
1535 // Filesystem operations
1536 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1537 static int logfs_umount(cyg_mtab_entry *mte);
1538 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1539 int mode, cyg_file *fte);
1540 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1541
1542 // File operations
1543 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1544 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1545
1546 #include <cyg/io/devtab.h>
1547
1548 //==========================================================================
1549 // Filesystem table entries
1550
1551 // -------------------------------------------------------------------------
1552 // Fstab entry.
1553 // This defines the entry in the filesystem table.
1554 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1555 // we should never block in any filesystem operations.
1556 FSTAB_ENTRY(logfs_fste, "logfs", 0,
1557 CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
1558 logfs_mount,
1559 logfs_umount,
1560 logfs_open,
1561 (cyg_fsop_unlink *)cyg_fileio_erofs,
1562 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1563 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1564 (cyg_fsop_rename *)cyg_fileio_erofs,
1565 (cyg_fsop_link *)cyg_fileio_erofs,
1566 (cyg_fsop_opendir *)cyg_fileio_erofs,
1567 (cyg_fsop_chdir *)cyg_fileio_erofs,
1568 (cyg_fsop_stat *)cyg_fileio_erofs,
1569 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1570 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1571
1572 // -------------------------------------------------------------------------
1573 // File operations.
1574 // This set of file operations are used for normal open files.
1575
1576 static cyg_fileops logfs_fileops =
1577 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1578 (cyg_fileop_lseek *) cyg_fileio_erofs,
1579 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1580 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1581 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1582 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1583
1584 // -------------------------------------------------------------------------
1585 // logfs_mount()
1586 // Process a mount request. This mainly finds root for the
1587 // filesystem.
1588
1589 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1590 {
1591 return ENOERR;
1592 }
1593
1594 static int logfs_umount(cyg_mtab_entry *mte)
1595 {
1596 return ENOERR;
1597 }
1598
1599 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1600 int mode, cyg_file *file)
1601 {
1602 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1603 file->f_type = CYG_FILE_TYPE_FILE;
1604 file->f_ops = &logfs_fileops;
1605 file->f_offset = 0;
1606 file->f_data = 0;
1607 file->f_xops = 0;
1608 return ENOERR;
1609 }
1610
1611 // -------------------------------------------------------------------------
1612 // logfs_fo_write()
1613 // Write data to file.
1614
1615 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1616 {
1617 int i;
1618 for (i = 0; i < uio->uio_iovcnt; i++)
1619 {
1620 cyg_iovec *iov = &uio->uio_iov[i];
1621 char *buf = (char *) iov->iov_base;
1622 off_t len = iov->iov_len;
1623
1624 diag_write(buf, len);
1625 }
1626 uio->uio_resid = 0;
1627
1628 return ENOERR;
1629 }
1630 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1631 {
1632 return ENOERR;
1633 }
1634
1635 // -------------------------------------------------------------------------
1636 // romfs_fo_close()
1637 // Close a file. We just clear out the data pointer.
1638
1639 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1640 {
1641 return ENOERR;
1642 }
1643
1644 int loadFile(const char *fileName, void **data, int *len);
1645
1646 /* boolean parameter stored on config */
1647 int boolParam(char *var)
1648 {
1649 bool result = false;
1650 char *name = alloc_printf("%s/%s", zylin_config_dir, var);
1651 if (name == NULL)
1652 return result;
1653
1654 void *data;
1655 int len;
1656 if (loadFile(name, &data, &len) == ERROR_OK)
1657 {
1658 if (len > 1)
1659 len = 1;
1660 result = strncmp((char *) data, "1", len) == 0;
1661 free(data);
1662 }
1663 free(name);
1664 return result;
1665 }
1666