dcd497ce9e943516e825cd6e227a87900ab2638d
[openocd.git] / src / ecosboard.c
1 /***************************************************************************
2 * Copyright (C) 2007-2009 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 "types.h"
25 #include "jtag.h"
26 #include "configuration.h"
27 #include "xsvf.h"
28 #include "svf.h"
29 #include "nand.h"
30 #include "pld.h"
31
32 #include "server.h"
33 #include "telnet_server.h"
34 #include "gdb_server.h"
35 #include "openocd.h"
36
37 #include <time_support.h>
38 #include <sys/time.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <errno.h>
44
45 #include <cyg/io/flash.h>
46 #include <pkgconf/fs_jffs2.h> // Address of JFFS2
47 #include <network.h>
48
49 #include <fcntl.h>
50 #include <sys/stat.h>
51 #include <cyg/fileio/fileio.h>
52 #include <dirent.h>
53 #include <cyg/athttpd/http.h>
54 #include <cyg/athttpd/socket.h>
55 #include <cyg/athttpd/handler.h>
56 #include <cyg/athttpd/cgi.h>
57 #include <cyg/athttpd/forms.h>
58 #include <cyg/discover/discover.h>
59 #include <cyg/hal/hal_diag.h>
60 #include <cyg/kernel/kapi.h>
61 #include <cyg/io/serialio.h>
62 #include <cyg/io/io.h>
63 #include <netinet/tcp.h>
64 #include "rom.h"
65 #include <sys/ioctl.h>
66 #include <sys/socket.h>
67 #include <netinet/in.h>
68 #include <net/if.h>
69 #include <arpa/inet.h>
70 #include <sys/types.h>
71 #include <sys/socket.h>
72 #include <netdb.h>
73 #include <netinet/in.h>
74 #include <unistd.h>
75 #include <arpa/inet.h>
76 #include <stdio.h>
77 #include <ifaddrs.h>
78 #include <string.h>
79
80 #include <unistd.h>
81 #include <stdio.h>
82
83 #include <openocd.h>
84
85 #ifdef CYGPKG_HAL_NIOS2
86 #define ZY1000_SER_DEV "/dev/uart_0"
87 #else
88 #define ZY1000_SER_DEV "/dev/ser0"
89
90 #endif
91
92
93 #define MAX_IFS 64
94 #if defined(CYGPKG_NET_FREEBSD_STACK)
95 #include <tftp_support.h>
96 /* posix compatibility broken*/
97 struct tftpd_fileops fileops =
98 {
99 (int (*)(const char *, int))open,
100 close,
101 (int (*)(int, const void *, int))write,
102 (int (*)(int, void *, int))read
103 };
104
105 #endif
106
107
108 void diag_write(char *buf, int len)
109 {
110 int j;
111 for (j = 0; j < len; j++)
112 {
113 diag_printf("%c", buf[j]);
114 }
115 }
116
117 static bool serialLog = true;
118 static bool writeLog = true;
119
120 char hwaddr[512];
121
122
123 extern struct flash_driver *flash_drivers[];
124 extern struct target_type *target_types[];
125
126 #ifdef CYGPKG_PROFILE_GPROF
127 #include <cyg/profile/profile.h>
128
129 extern char _stext, _etext; // Defined by the linker
130
131 static char *start_of_code=&_stext;
132 static char *end_of_code=&_etext;
133
134 void start_profile(void)
135 {
136 // This starts up the system-wide profiling, gathering
137 // profile information on all of the code, with a 16 byte
138 // "bucket" size, at a rate of 100us/profile hit.
139 // Note: a bucket size of 16 will give pretty good function
140 // resolution. Much smaller and the buffer becomes
141 // much too large for very little gain.
142 // Note: a timer period of 100us is also a reasonable
143 // compromise. Any smaller and the overhead of
144 // handling the timter (profile) interrupt could
145 // swamp the system. A fast processor might get
146 // by with a smaller value, but a slow one could
147 // even be swamped by this value. If the value is
148 // too large, the usefulness of the profile is reduced.
149
150 // no more interrupts than 1/10ms.
151 //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
152 // profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
153 profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
154 }
155 #endif
156
157 static FILE *log;
158
159 static char reboot_stack[2048];
160
161 static void zylinjtag_reboot(cyg_addrword_t data)
162 {
163 serialLog = true;
164 diag_printf("Rebooting in 500 ticks..\n");
165 cyg_thread_delay(500);
166 diag_printf("Unmounting /config..\n");
167 umount("/config");
168 diag_printf("Rebooting..\n");
169 HAL_PLATFORM_RESET();
170 }
171 static cyg_thread zylinjtag_thread_object;
172 static cyg_handle_t zylinjtag_thread_handle;
173
174 void reboot(void)
175 {
176 cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
177 (void *) reboot_stack, sizeof(reboot_stack),
178 &zylinjtag_thread_handle, &zylinjtag_thread_object);
179 cyg_thread_resume(zylinjtag_thread_handle);
180 }
181
182 static char zylinjtag_reboot_port_stack[2048];
183 static cyg_thread zylinjtag_reboot_port_thread_object;
184 static cyg_handle_t zylinjtag_reboot_port_thread_handle;
185
186 static void zylinjtag_reboot_port_task(cyg_addrword_t data)
187 {
188 int so_reuseaddr_option = 1;
189
190 int fd;
191 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
192 {
193 LOG_ERROR("error creating socket: %s", strerror(errno));
194 exit(-1);
195 }
196
197 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
198 sizeof(int));
199
200 struct sockaddr_in sin;
201 unsigned int address_size;
202 address_size = sizeof(sin);
203 memset(&sin, 0, sizeof(sin));
204 sin.sin_family = AF_INET;
205 sin.sin_addr.s_addr = INADDR_ANY;
206 sin.sin_port = htons(1234);
207
208 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
209 {
210 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
211 exit(-1);
212 }
213
214 if (listen(fd, 1) == -1)
215 {
216 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
217 exit(-1);
218 }
219 // socket_nonblock(fd);
220
221
222 accept(fd, (struct sockaddr *) &sin, &address_size);
223
224 diag_printf("Got reboot signal on port 1234");
225
226 reboot();
227
228 }
229
230 void reboot_port(void)
231 {
232 cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
233 (void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
234 &zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
235 cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
236 }
237
238 int configuration_output_handler(struct command_context *context,
239 const char* line)
240 {
241 diag_printf("%s", line);
242
243 return ERROR_OK;
244 }
245
246 int zy1000_configuration_output_handler_log(struct command_context *context,
247 const char* line)
248 {
249 LOG_USER_N("%s", line);
250
251 return ERROR_OK;
252 }
253
254 #ifdef CYGPKG_PROFILE_GPROF
255
256 int eCosBoard_handle_eCosBoard_profile_command(struct command_context *cmd_ctx, char *cmd, char **args, int argc)
257 {
258 command_print(cmd_ctx, "Profiling started");
259 start_profile();
260 return ERROR_OK;
261 }
262
263 #endif
264
265 externC void phi_init_all_network_interfaces(void);
266
267 struct command_context *cmd_ctx;
268
269 static bool webRunning = false;
270
271 void keep_webserver(void)
272 {
273 // Target initialisation is only attempted at startup, so we sleep forever and
274 // let the http server bail us out(i.e. get config files set up).
275 diag_printf("OpenOCD has invoked exit().\n"
276 "Use web server to correct any configuration settings and reboot.\n");
277 if (!webRunning)
278 reboot();
279
280 // exit() will terminate the current thread and we we'll then sleep eternally or
281 // we'll have a reboot scheduled.
282 }
283
284 extern void printDccChar(char c);
285
286 static char logBuffer[128 * 1024];
287 static const int logSize = sizeof(logBuffer);
288 int writePtr = 0;
289 int logCount = 0;
290
291 void _zylinjtag_diag_write_char(char c, void **param)
292 {
293 if (writeLog)
294 {
295 logBuffer[writePtr] = c;
296 writePtr = (writePtr + 1) % logSize;
297 logCount++;
298 }
299 if (serialLog)
300 {
301 if (c == '\n')
302 {
303 HAL_DIAG_WRITE_CHAR('\r');
304 }
305 HAL_DIAG_WRITE_CHAR(c);
306 }
307
308 #ifdef CYGPKG_HAL_ZYLIN_PHI
309 printDccChar(c);
310 #endif
311 }
312
313 void copyfile(char *name2, char *name1);
314
315 void copydir(char *name, char *destdir);
316
317 #if 0
318 MTAB_ENTRY(romfs_mte1,
319 "/rom",
320 "romfs",
321 "",
322 (CYG_ADDRWORD) &filedata[0]);
323 #endif
324
325 void openocd_sleep_prelude(void)
326 {
327 cyg_mutex_unlock(&httpstate.jim_lock);
328 }
329
330 void openocd_sleep_postlude(void)
331 {
332 cyg_mutex_lock(&httpstate.jim_lock);
333 }
334
335 void format(void)
336 {
337 #ifdef CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1
338 diag_printf("Formatting JFFS2...\n");
339
340 cyg_io_handle_t handle;
341
342 Cyg_ErrNo err;
343 err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
344 if (err != ENOERR)
345 {
346 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
347 reboot();
348 }
349
350 cyg_uint32 len;
351 cyg_io_flash_getconfig_devsize_t ds;
352 len = sizeof(ds);
353 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
354 if (err != ENOERR)
355 {
356 diag_printf("Flash error cyg_io_get_config %d\n", err);
357 reboot();
358 }
359
360 cyg_io_flash_getconfig_erase_t e;
361 len = sizeof(e);
362
363 e.offset = 0;
364 e.len = ds.dev_size;
365
366 diag_printf("Formatting 0x%08x bytes\n", (int)ds.dev_size);
367 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
368 if (err != ENOERR)
369 {
370 diag_printf("Flash erase error %d offset 0x%08x\n", err, e.err_address);
371 reboot();
372 }
373
374 diag_printf("Flash formatted successfully\n");
375 #endif
376
377 reboot();
378 }
379
380 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
381 Jim_Obj * const *argv)
382 {
383 if (argc != 1)
384 {
385 return JIM_ERR;
386 }
387
388 format();
389 for (;;)
390 ;
391 }
392
393 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
394 Jim_Obj * const *argv)
395 {
396 cyg_handle_t thread = 0;
397 cyg_uint16 id = 0;
398 Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
399
400 /* Loop over the threads, and generate a table row for
401 * each.
402 */
403 while (cyg_thread_get_next(&thread, &id))
404 {
405 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
406
407 cyg_thread_info info;
408 char *state_string;
409
410 cyg_thread_get_info(thread, id, &info);
411
412 if (info.name == NULL)
413 info.name = "<no name>";
414
415 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
416 info.name, strlen(info.name)));
417
418 /* Translate the state into a string.
419 */
420 if (info.state == 0)
421 state_string = "RUN";
422 else if (info.state & 0x04)
423 state_string = "SUSP";
424 else
425 switch (info.state & 0x1b)
426 {
427 case 0x01:
428 state_string = "SLEEP";
429 break;
430 case 0x02:
431 state_string = "CNTSLEEP";
432 break;
433 case 0x08:
434 state_string = "CREATE";
435 break;
436 case 0x10:
437 state_string = "EXIT";
438 break;
439 default:
440 state_string = "????";
441 break;
442 }
443
444 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
445 state_string, strlen(state_string)));
446
447 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
448 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
449 info.set_pri));
450 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
451 info.cur_pri));
452
453 Jim_ListAppendElement(interp, threads, threadObj);
454 }
455 Jim_SetResult(interp, threads);
456
457 return JIM_OK;
458 }
459
460 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
461 Jim_Obj * const *argv)
462 {
463 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
464
465 if (logCount >= logSize)
466 {
467 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
468 % logSize, logSize - logCount % logSize);
469 }
470 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
471
472 Jim_SetResult(interp, tclOutput);
473 return JIM_OK;
474 }
475
476 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
477 Jim_Obj * const *argv)
478 {
479 reboot();
480 return JIM_OK;
481 }
482
483 static void zylinjtag_startNetwork(void)
484 {
485 // Bring TCP/IP up immediately before we're ready to accept commands.
486 //
487 // That is as soon as a PING responds, we're accepting telnet sessions.
488 #if defined(CYGPKG_NET_FREEBSD_STACK)
489 phi_init_all_network_interfaces();
490 #else
491 lwip_init();
492 #endif
493 if (!eth0_up)
494 {
495 diag_printf("Network not up and running\n");
496 exit(-1);
497 }
498
499 /* very first thing we want is a reboot capability */
500 reboot_port();
501
502 #if defined(CYGPKG_NET_FREEBSD_STACK)
503 /*start TFTP*/
504 tftpd_start(69, &fileops);
505 #endif
506
507 cyg_httpd_init_tcl_interpreter();
508
509 Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
510 NULL, NULL);
511 Jim_CreateCommand(httpstate.jim_interp, "zy1000_reboot",
512 zylinjtag_Jim_Command_reboot, NULL, NULL);
513 Jim_CreateCommand(httpstate.jim_interp, "threads",
514 zylinjtag_Jim_Command_threads, NULL, NULL);
515 Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
516 zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
517
518 cyg_httpd_start();
519
520 webRunning = true;
521
522 diag_printf("Web server running\n");
523
524 int s;
525 struct ifreq ifr;
526 s = socket(AF_INET, SOCK_DGRAM, 0);
527 if (s >= 0)
528 {
529 strcpy(ifr.ifr_name, "eth0");
530 int res;
531 res = ioctl(s, SIOCGIFHWADDR, &ifr);
532 close(s);
533
534 if (res < 0)
535 {
536 diag_printf("Can't obtain MAC address\n");
537 reboot();
538 }
539 }
540
541 sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
542 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
543 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
544 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
545 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
546 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
547 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
548
549 discover_message
550 = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
551
552 discover_launch();
553 }
554
555 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
556 cyg_addrword_t info)
557 {
558 writeLog = false;
559 serialLog = true;
560 char *infoStr = "unknown";
561 switch (exception)
562 {
563 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
564 case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
565 infoStr = "undefined instruction";
566 break;
567 case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
568 infoStr = "software interrupt";
569 break;
570 case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
571 infoStr = "abort prefetch";
572 break;
573 case CYGNUM_HAL_VECTOR_ABORT_DATA:
574 infoStr = "abort data";
575 break;
576 #endif
577 default:
578 break;
579 }
580
581 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
582
583 diag_printf("Dumping log\n---\n");
584 if (logCount >= logSize)
585 {
586 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
587 }
588 diag_write(logBuffer, writePtr);
589
590 diag_printf("---\nLogdump complete.\n");
591 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
592 diag_printf("\n---\nRebooting\n");
593 HAL_PLATFORM_RESET();
594
595 }
596
597 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
598 static void setHandler(cyg_code_t exception)
599 {
600 cyg_exception_handler_t *old_handler;
601 cyg_addrword_t old_data;
602
603 cyg_exception_set_handler(exception, print_exception_handler, 0,
604 &old_handler, &old_data);
605 }
606 #endif
607
608 static cyg_thread zylinjtag_uart_thread_object;
609 static cyg_handle_t zylinjtag_uart_thread_handle;
610 static char uart_stack[4096];
611
612 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
613 static char backwardBuffer[1024];
614
615 void setNoDelay(int session, int flag)
616 {
617 #if 1
618 // This decreases latency dramatically for e.g. GDB load which
619 // does not have a sliding window protocol
620 //
621 // Can cause *lots* of TCP/IP packets to be sent and it would have
622 // to be enabled/disabled on the fly to avoid the CPU being
623 // overloaded...
624 setsockopt(session, /* socket affected */
625 IPPROTO_TCP, /* set option at TCP level */
626 TCP_NODELAY, /* name of option */
627 (char *) &flag, /* the cast is historical
628 cruft */
629 sizeof(int)); /* length of option value */
630 #endif
631 }
632
633 #define TEST_TCPIP() 0
634
635 #if TEST_TCPIP
636 struct
637 {
638 int req;
639 int actual;
640 int req2;
641 int actual2;
642 } tcpipSent[512 * 1024];
643 int cur;
644 #endif
645
646 static void zylinjtag_uart(cyg_addrword_t data)
647 {
648 int so_reuseaddr_option = 1;
649
650 int fd;
651 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
652 {
653 LOG_ERROR("error creating socket: %s", strerror(errno));
654 exit(-1);
655 }
656
657 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
658 sizeof(int));
659
660 struct sockaddr_in sin;
661 unsigned int address_size;
662 address_size = sizeof(sin);
663 memset(&sin, 0, sizeof(sin));
664 sin.sin_family = AF_INET;
665 sin.sin_addr.s_addr = INADDR_ANY;
666 sin.sin_port = htons(5555);
667
668 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
669 {
670 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
671 exit(-1);
672 }
673
674 if (listen(fd, 1) == -1)
675 {
676 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
677 exit(-1);
678 }
679 // socket_nonblock(fd);
680
681
682 for (;;)
683 {
684 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
685 if (session < 0)
686 {
687 continue;
688 }
689
690 setNoDelay(session, 1);
691 int oldopts = fcntl(session, F_GETFL, 0);
692 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
693
694 int serHandle = open(ZY1000_SER_DEV, O_RDWR | O_NONBLOCK);
695 if (serHandle < 0)
696 {
697 close(session);
698 continue;
699 }
700
701 #ifdef CYGPKG_PROFILE_GPROF
702 start_profile();
703 #endif
704 size_t actual = 0;
705 size_t actual2 = 0;
706 size_t pos, pos2;
707 pos = 0;
708 pos2 = 0;
709 #if TEST_TCPIP
710 cur = 0;
711 #endif
712 for (;;)
713 {
714 fd_set write_fds;
715 fd_set read_fds;
716 FD_ZERO(&write_fds);
717 FD_ZERO(&read_fds);
718 int fd_max = -1;
719 FD_SET(session, &read_fds);
720 fd_max = session;
721 FD_SET(serHandle, &read_fds);
722 if (serHandle > fd_max)
723 {
724 fd_max = serHandle;
725 }
726 /* Wait... */
727
728 cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
729 if ((actual == 0) && (actual2 == 0))
730 {
731 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
732 if (retval <= 0)
733 {
734 break;
735 }
736 }
737
738 if (actual2 <= 0)
739 {
740 memset(backwardBuffer, 's', sizeof(backwardBuffer));
741 int t;
742 t = read(serHandle, backwardBuffer,
743 sizeof(backwardBuffer));
744 actual2 = t;
745 if (t < 0)
746 {
747 if (errno != EAGAIN)
748 {
749 goto closeSession;
750 }
751 actual2 = 0;
752 }
753 pos2 = 0;
754 }
755
756 size_t y = 0;
757 if (actual2 > 0)
758 {
759 int written = write(session, backwardBuffer + pos2, actual2);
760 if (written <= 0)
761 goto closeSession;
762 actual2 -= written;
763 pos2 += written;
764 y = written;
765 }
766
767 if (FD_ISSET(session, &read_fds)
768 && (sizeof(forwardBuffer) > actual))
769 {
770 // NB! Here it is important that we empty the TCP/IP read buffer
771 // to make transmission tick right
772 memmove(forwardBuffer, forwardBuffer + pos, actual);
773 pos = 0;
774 int t;
775 // this will block if there is no data at all
776 t = read_socket(session, forwardBuffer + actual,
777 sizeof(forwardBuffer) - actual);
778 if (t <= 0)
779 {
780 goto closeSession;
781 }
782 actual += t;
783 }
784
785 int y2 = 0;
786 if (actual > 0)
787 {
788 /* Do not put things into the serial buffer if it has something to send
789 * as that can cause a single byte to be sent at the time.
790 *
791 *
792 */
793 int written = write(serHandle, forwardBuffer + pos, actual);
794 if (written < 0)
795 {
796 if (errno != EAGAIN)
797 {
798 goto closeSession;
799 }
800 // The serial buffer is full
801 written = 0;
802 }
803 else
804 {
805 actual -= written;
806 pos += written;
807 }
808 y2 = written;
809 }
810 #if TEST_TCPIP
811 if (cur < 1024)
812 {
813 tcpipSent[cur].req = x;
814 tcpipSent[cur].actual = y;
815 tcpipSent[cur].req2 = x2;
816 tcpipSent[cur].actual2 = y2;
817 cur++;
818 }
819 #endif
820 }
821 closeSession: close(session);
822 close(serHandle);
823
824 #if TEST_TCPIP
825 int i;
826 for (i = 0; i < 1024; i++)
827 {
828 diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
829 tcpipSent[i].req2, tcpipSent[i].actual2);
830
831 }
832 #endif
833 }
834 close(fd);
835
836 }
837
838 void startUart(void)
839 {
840 cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
841 (void *) uart_stack, sizeof(uart_stack),
842 &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
843 cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
844 cyg_thread_resume(zylinjtag_uart_thread_handle);
845 }
846
847 static int zylinjtag_Jim_Command_uart(Jim_Interp *interp, int argc,
848 Jim_Obj * const *argv)
849 {
850 static int current_baud = 38400;
851 if (argc == 1)
852 {
853 command_print(cmd_ctx, "%d", current_baud);
854 return JIM_OK;
855 }
856 else if (argc != 2)
857 {
858 return JIM_ERR;
859 }
860
861 long new_baudrate;
862 if (Jim_GetLong(interp, argv[1], &new_baudrate) != JIM_OK)
863 return JIM_ERR;
864
865 current_baud = new_baudrate;
866
867 int baud;
868 switch (current_baud)
869 {
870 case 9600:
871 baud = CYGNUM_SERIAL_BAUD_9600;
872 break;
873 case 19200:
874 baud = CYGNUM_SERIAL_BAUD_19200;
875 break;
876 case 38400:
877 baud = CYGNUM_SERIAL_BAUD_38400;
878 break;
879 case 57600:
880 baud = CYGNUM_SERIAL_BAUD_57600;
881 break;
882 case 115200:
883 baud = CYGNUM_SERIAL_BAUD_115200;
884 break;
885 case 230400:
886 baud = CYGNUM_SERIAL_BAUD_230400;
887 break;
888 default:
889 command_print(cmd_ctx, "unsupported baudrate");
890 return ERROR_INVALID_ARGUMENTS;
891 }
892
893 cyg_serial_info_t buf;
894 cyg_uint32 len = 1;
895 //get existing serial configuration
896 len = sizeof(cyg_serial_info_t);
897 int err;
898 cyg_io_handle_t serial_handle;
899
900 err = cyg_io_lookup(ZY1000_SER_DEV, &serial_handle);
901 if (err != ENOERR)
902 {
903 LOG_ERROR("Could not open serial port\n");
904 return JIM_ERR;
905 }
906
907 err = cyg_io_get_config(serial_handle,
908 CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
909 err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
910 &len);
911 if (err != ENOERR)
912 {
913 LOG_ERROR("Failed to get serial port settings %d", err);
914 return JIM_ERR;
915 }
916 buf.baud = baud;
917
918 err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
919 &len);
920 if (err != ENOERR)
921 {
922 LOG_ERROR("Failed to set serial port settings %d", err);
923 return JIM_ERR;
924 }
925
926 return JIM_OK;
927 }
928
929 bool logAllToSerial = false;
930
931
932 int boolParam(char *var);
933
934
935 static const char *zylin_config_dir="/config/settings";
936
937 static int add_default_dirs(void)
938 {
939 add_script_search_dir(zylin_config_dir);
940 add_script_search_dir("/rom/lib/openocd");
941 add_script_search_dir("/rom");
942 return ERROR_OK;
943 }
944
945 int ioutil_init(struct command_context *cmd_ctx);
946
947 int main(int argc, char *argv[])
948 {
949 /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
950 * need to allocate towards the end of the heap. */
951
952 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
953 setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
954 setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
955 setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
956 #endif
957
958 int err;
959
960 atexit(keep_webserver);
961
962 diag_init_putc(_zylinjtag_diag_write_char);
963 // We want this in the log.
964 diag_printf("Zylin ZY1000.\n");
965
966 err = mount("", "/ram", "ramfs");
967 if (err < 0)
968 {
969 diag_printf("unable to mount ramfs\n");
970 }
971 chdir("/ram");
972
973 char address[16];
974 sprintf(address, "%p", &filedata[0]);
975 err = mount(address, "/rom", "romfs");
976 if (err < 0)
977 {
978 diag_printf("unable to mount /rom\n");
979 }
980
981 err = mount("", "/log", "logfs");
982 if (err < 0)
983 {
984 diag_printf("unable to mount logfs\n");
985 }
986
987 err = mount("", "/tftp", "tftpfs");
988 if (err < 0)
989 {
990 diag_printf("unable to mount logfs\n");
991 }
992
993 log = fopen("/log/log", "w");
994 if (log == NULL)
995 {
996 diag_printf("Could not open log file /ram/log\n");
997 exit(-1);
998 }
999
1000
1001 copydir("/rom", "/ram/cgi");
1002
1003 err = mount("/dev/flash1", "/config", "jffs2");
1004 if (err < 0)
1005 {
1006 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
1007 err = mount("", "/config", "ramfs");
1008 if (err < 0)
1009 {
1010 diag_printf("unable to mount /config as ramdisk.\n");
1011 reboot();
1012 }
1013 }
1014 else
1015 {
1016 /* are we using a ram disk instead of a flash disk? This is used
1017 * for ZY1000 live demo...
1018 *
1019 * copy over flash disk to ram block device
1020 */
1021 if (boolParam("ramdisk"))
1022 {
1023 diag_printf("Unmounting /config from flash and using ram instead\n");
1024 err = umount("/config");
1025 if (err < 0)
1026 {
1027 diag_printf("unable to unmount jffs\n");
1028 reboot();
1029 }
1030
1031 err = mount("/dev/flash1", "/config2", "jffs2");
1032 if (err < 0)
1033 {
1034 diag_printf("unable to mount jffs\n");
1035 reboot();
1036 }
1037
1038 err = mount("", "/config", "ramfs");
1039 if (err < 0)
1040 {
1041 diag_printf("unable to mount ram block device\n");
1042 reboot();
1043 }
1044
1045 // copydir("/config2", "/config");
1046 copyfile("/config2/ip", "/config/ip");
1047 copydir("/config2/settings", "/config/settings");
1048
1049 umount("/config2");
1050 }
1051 }
1052
1053 mkdir(zylin_config_dir, 0777);
1054 char *dirname = alloc_printf("%s/target", zylin_config_dir);
1055 mkdir(dirname, 0777);
1056 free(dirname);
1057 dirname = alloc_printf("%s/board", zylin_config_dir);
1058 mkdir(dirname, 0777);
1059 free(dirname);
1060 dirname = alloc_printf("%s/event", zylin_config_dir);
1061 mkdir(dirname, 0777);
1062 free(dirname);
1063
1064 logAllToSerial = boolParam("logserial");
1065
1066 // We need the network & web server in case there is something wrong with
1067 // the config files that invoke exit()
1068 zylinjtag_startNetwork();
1069
1070 /* we're going to access the jim interpreter from here on... */
1071 openocd_sleep_postlude();
1072 startUart();
1073
1074 add_default_dirs();
1075
1076 /* initialize commandline interface */
1077 struct command_context * cmd_ctx;
1078 struct command_context *setup_command_handler(Jim_Interp *interp);
1079 cmd_ctx = setup_command_handler(httpstate.jim_interp);
1080 command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1081 command_context_mode(cmd_ctx, COMMAND_CONFIG);
1082
1083 #if BUILD_IOUTIL
1084 if (ioutil_init(cmd_ctx) != ERROR_OK)
1085 {
1086 return EXIT_FAILURE;
1087 }
1088 #endif
1089
1090
1091 #ifdef CYGPKG_PROFILE_GPROF
1092 COMMAND_REGISTER(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1093 COMMAND_ANY, NULL);
1094 #endif
1095
1096 Jim_CreateCommand(httpstate.jim_interp, "uart", zylinjtag_Jim_Command_uart, NULL, NULL);
1097
1098
1099 log_init();
1100
1101 set_log_output(cmd_ctx, log);
1102
1103 LOG_DEBUG("log init complete");
1104
1105 // diag_printf("Executing config files\n");
1106
1107 if (logAllToSerial)
1108 {
1109 diag_printf(
1110 "%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1111 command_run_line(cmd_ctx, "debug_level 3");
1112 }
1113
1114 command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1115
1116 int ret;
1117 ret = server_init(cmd_ctx);
1118 if (ERROR_OK != ret)
1119 return EXIT_FAILURE;
1120
1121 /* we MUST always run the init command as it will launch telnet sessions */
1122 command_run_line(cmd_ctx, "init");
1123
1124 // FIX!!! Yuk!
1125 // diag_printf() is really invoked from many more places than we trust it
1126 // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1127 //
1128 // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1129 // fingers that it doesn't cause any crashes.
1130 diag_printf("Init complete, GDB & telnet servers launched.\n");
1131 command_set_output_handler(cmd_ctx,
1132 zy1000_configuration_output_handler_log, NULL);
1133 if (!logAllToSerial)
1134 {
1135 serialLog = false;
1136 }
1137
1138 /* handle network connections */
1139 server_loop(cmd_ctx);
1140 openocd_sleep_prelude();
1141
1142 /* shut server down */
1143 server_quit();
1144
1145 /* free commandline interface */
1146 command_done(cmd_ctx);
1147 umount("/config");
1148
1149 exit(0);
1150 for (;;)
1151 ;
1152 }
1153
1154 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1155 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1156 {
1157 cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1158 return 0;
1159 }
1160
1161 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1162
1163 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1164 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1165
1166 #include <pkgconf/system.h>
1167 #include <pkgconf/hal.h>
1168 #include <pkgconf/kernel.h>
1169 #include <pkgconf/io_fileio.h>
1170 #include <pkgconf/fs_rom.h>
1171
1172 #include <cyg/kernel/ktypes.h> // base kernel types
1173 #include <cyg/infra/cyg_trac.h> // tracing macros
1174 #include <cyg/infra/cyg_ass.h> // assertion macros
1175 #include <cyg/fileio/fileio.h>
1176 #include <cyg/kernel/kapi.h>
1177 #include <cyg/infra/diag.h>
1178
1179 //==========================================================================
1180 // Eventually we want to eXecute In Place from the ROM in a protected
1181 // environment, so we'll need executables to be aligned to a boundary
1182 // suitable for MMU protection. A suitable boundary would be the 4k
1183 // boundary in all the CPU architectures I am currently aware of.
1184
1185 // Forward definitions
1186
1187 // Filesystem operations
1188 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1189 static int tftpfs_umount(cyg_mtab_entry *mte);
1190 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1191 int mode, cyg_file *fte);
1192 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1193 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1194
1195 // File operations
1196 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1197 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1198 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1199
1200 //==========================================================================
1201 // Filesystem table entries
1202
1203 // -------------------------------------------------------------------------
1204 // Fstab entry.
1205 // This defines the entry in the filesystem table.
1206 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1207 // we should never block in any filesystem operations.
1208 #if 1
1209 FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
1210 CYG_SYNCMODE_NONE,
1211 tftpfs_mount,
1212 tftpfs_umount,
1213 tftpfs_open,
1214 (cyg_fsop_unlink *)cyg_fileio_erofs,
1215 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1216 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1217 (cyg_fsop_rename *)cyg_fileio_erofs,
1218 (cyg_fsop_link *)cyg_fileio_erofs,
1219 (cyg_fsop_opendir *)cyg_fileio_erofs,
1220 (cyg_fsop_chdir *)cyg_fileio_erofs,
1221 (cyg_fsop_stat *)cyg_fileio_erofs,
1222 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1223 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1224 #endif
1225
1226 // -------------------------------------------------------------------------
1227 // mtab entry.
1228 // This defines a single ROMFS loaded into ROM at the configured address
1229 //
1230 // MTAB_ENTRY(rom_mte, // structure name
1231 // "/rom", // mount point
1232 // "romfs", // FIlesystem type
1233 // "", // hardware device
1234 // (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
1235 //);
1236
1237
1238 // -------------------------------------------------------------------------
1239 // File operations.
1240 // This set of file operations are used for normal open files.
1241
1242 static cyg_fileops tftpfs_fileops =
1243 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1244 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1245 tftpfs_fo_fsync, tftpfs_fo_close,
1246 (cyg_fileop_fstat *) cyg_fileio_erofs,
1247 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1248 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1249
1250 // -------------------------------------------------------------------------
1251 // tftpfs_mount()
1252 // Process a mount request. This mainly finds root for the
1253 // filesystem.
1254
1255 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1256 {
1257 return ENOERR;
1258 }
1259
1260 static int tftpfs_umount(cyg_mtab_entry *mte)
1261 {
1262 return ENOERR;
1263 }
1264
1265 struct Tftp
1266 {
1267 int write;
1268 int readFile;
1269 cyg_uint8 *mem;
1270 int actual;
1271 char *server;
1272 char *file;
1273 };
1274
1275 static void freeTftp(struct Tftp *t)
1276 {
1277 if (t == NULL)
1278 return;
1279 if (t->mem)
1280 free(t->mem);
1281 if (t->server)
1282 free(t->server);
1283 if (t->file)
1284 free(t->file);
1285 free(t);
1286 }
1287
1288 static const int tftpMaxSize = 8192 * 1024;
1289 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1290 int mode, cyg_file *file)
1291 {
1292 struct Tftp *tftp;
1293 tftp = malloc(sizeof(struct Tftp));
1294 if (tftp == NULL)
1295 return EMFILE;
1296 memset(tftp, 0, sizeof(struct Tftp));
1297
1298 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1299 file->f_type = CYG_FILE_TYPE_FILE;
1300 file->f_ops = &tftpfs_fileops;
1301 file->f_offset = 0;
1302 file->f_data = 0;
1303 file->f_xops = 0;
1304
1305 tftp->mem = malloc(tftpMaxSize);
1306 if (tftp->mem == NULL)
1307 {
1308 freeTftp(tftp);
1309 return EMFILE;
1310 }
1311
1312 char *server = strchr(name, '/');
1313 if (server == NULL)
1314 {
1315 freeTftp(tftp);
1316 return EMFILE;
1317 }
1318
1319 tftp->server = malloc(server - name + 1);
1320 if (tftp->server == NULL)
1321 {
1322 freeTftp(tftp);
1323 return EMFILE;
1324 }
1325 strncpy(tftp->server, name, server - name);
1326 tftp->server[server - name] = 0;
1327
1328 tftp->file = strdup(server + 1);
1329 if (tftp->file == NULL)
1330 {
1331 freeTftp(tftp);
1332 return EMFILE;
1333 }
1334
1335 file->f_data = (CYG_ADDRWORD) tftp;
1336
1337 return ENOERR;
1338 }
1339
1340 static int fetchTftp(struct Tftp *tftp)
1341 {
1342 if (!tftp->readFile)
1343 {
1344 int err;
1345 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1346 tftpMaxSize, TFTP_OCTET, &err);
1347
1348 if (tftp->actual < 0)
1349 {
1350 return EMFILE;
1351 }
1352 tftp->readFile = 1;
1353 }
1354 return ENOERR;
1355 }
1356
1357 // -------------------------------------------------------------------------
1358 // tftpfs_fo_write()
1359 // Read data from file.
1360
1361 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1362 {
1363 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1364
1365 if (fetchTftp(tftp) != ENOERR)
1366 return EMFILE;
1367
1368 int i;
1369 off_t pos = fp->f_offset;
1370 int resid = 0;
1371 for (i = 0; i < uio->uio_iovcnt; i++)
1372 {
1373 cyg_iovec *iov = &uio->uio_iov[i];
1374 char *buf = (char *) iov->iov_base;
1375 off_t len = iov->iov_len;
1376
1377 if (len + pos > tftp->actual)
1378 {
1379 len = tftp->actual - pos;
1380 }
1381 resid += iov->iov_len - len;
1382
1383 memcpy(buf, tftp->mem + pos, len);
1384 pos += len;
1385
1386 }
1387 uio->uio_resid = resid;
1388 fp->f_offset = pos;
1389
1390 return ENOERR;
1391 }
1392
1393 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1394 {
1395 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1396
1397 int i;
1398 off_t pos = fp->f_offset;
1399 int resid = 0;
1400 for (i = 0; i < uio->uio_iovcnt; i++)
1401 {
1402 cyg_iovec *iov = &uio->uio_iov[i];
1403 char *buf = (char *) iov->iov_base;
1404 off_t len = iov->iov_len;
1405
1406 if (len + pos > tftpMaxSize)
1407 {
1408 len = tftpMaxSize - pos;
1409 }
1410 resid += iov->iov_len - len;
1411
1412 memcpy(tftp->mem + pos, buf, len);
1413 pos += len;
1414
1415 }
1416 uio->uio_resid = resid;
1417 fp->f_offset = pos;
1418
1419 tftp->write = 1;
1420
1421 return ENOERR;
1422 }
1423
1424 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1425 {
1426 int error = ENOERR;
1427 return error;
1428 }
1429
1430 // -------------------------------------------------------------------------
1431 // romfs_fo_close()
1432 // Close a file. We just clear out the data pointer.
1433
1434 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1435 {
1436 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1437 int error = ENOERR;
1438
1439 if (tftp->write)
1440 {
1441 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1442 TFTP_OCTET, &error);
1443 }
1444
1445 freeTftp(tftp);
1446 fp->f_data = 0;
1447 return error;
1448 }
1449
1450 // -------------------------------------------------------------------------
1451 // romfs_fo_lseek()
1452 // Seek to a new file position.
1453
1454 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1455 {
1456 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1457 off_t pos = *apos;
1458
1459 if (fetchTftp(tftp) != ENOERR)
1460 return EMFILE;
1461
1462 switch (whence)
1463 {
1464 case SEEK_SET:
1465 // Pos is already where we want to be.
1466 break;
1467
1468 case SEEK_CUR:
1469 // Add pos to current offset.
1470 pos += fp->f_offset;
1471 break;
1472
1473 case SEEK_END:
1474 // Add pos to file size.
1475 pos += tftp->actual;
1476 break;
1477
1478 default:
1479 return EINVAL;
1480 }
1481
1482 // Check that pos is still within current file size, or at the
1483 // very end.
1484 if (pos < 0 || pos > tftp->actual)
1485 return EINVAL;
1486
1487 // All OK, set fp offset and return new position.
1488 *apos = fp->f_offset = pos;
1489
1490 return ENOERR;
1491 }
1492
1493 void usleep(int us)
1494 {
1495 if (us > 10000)
1496 cyg_thread_delay(us / 10000 + 1);
1497 else
1498 HAL_DELAY_US(us);
1499 }
1500
1501 // Chunked version.
1502 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1503 {
1504 cyg_httpd_start_chunked("text");
1505 if (logCount >= logSize)
1506 {
1507 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1508 - logCount % logSize);
1509 }
1510 cyg_httpd_write_chunked(logBuffer, writePtr);
1511 cyg_httpd_end_chunked();
1512 return -1;
1513 }
1514
1515 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1516
1517 // Filesystem operations
1518 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1519 static int logfs_umount(cyg_mtab_entry *mte);
1520 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1521 int mode, cyg_file *fte);
1522 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1523
1524 // File operations
1525 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1526 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1527
1528 #include <cyg/io/devtab.h>
1529
1530 //==========================================================================
1531 // Filesystem table entries
1532
1533 // -------------------------------------------------------------------------
1534 // Fstab entry.
1535 // This defines the entry in the filesystem table.
1536 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1537 // we should never block in any filesystem operations.
1538 FSTAB_ENTRY(logfs_fste, "logfs", 0,
1539 CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
1540 logfs_mount,
1541 logfs_umount,
1542 logfs_open,
1543 (cyg_fsop_unlink *)cyg_fileio_erofs,
1544 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1545 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1546 (cyg_fsop_rename *)cyg_fileio_erofs,
1547 (cyg_fsop_link *)cyg_fileio_erofs,
1548 (cyg_fsop_opendir *)cyg_fileio_erofs,
1549 (cyg_fsop_chdir *)cyg_fileio_erofs,
1550 (cyg_fsop_stat *)cyg_fileio_erofs,
1551 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1552 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1553
1554 // -------------------------------------------------------------------------
1555 // File operations.
1556 // This set of file operations are used for normal open files.
1557
1558 static cyg_fileops logfs_fileops =
1559 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1560 (cyg_fileop_lseek *) cyg_fileio_erofs,
1561 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1562 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1563 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1564 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1565
1566 // -------------------------------------------------------------------------
1567 // logfs_mount()
1568 // Process a mount request. This mainly finds root for the
1569 // filesystem.
1570
1571 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1572 {
1573 return ENOERR;
1574 }
1575
1576 static int logfs_umount(cyg_mtab_entry *mte)
1577 {
1578 return ENOERR;
1579 }
1580
1581 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1582 int mode, cyg_file *file)
1583 {
1584 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1585 file->f_type = CYG_FILE_TYPE_FILE;
1586 file->f_ops = &logfs_fileops;
1587 file->f_offset = 0;
1588 file->f_data = 0;
1589 file->f_xops = 0;
1590 return ENOERR;
1591 }
1592
1593 // -------------------------------------------------------------------------
1594 // logfs_fo_write()
1595 // Write data to file.
1596
1597 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1598 {
1599 int i;
1600 for (i = 0; i < uio->uio_iovcnt; i++)
1601 {
1602 cyg_iovec *iov = &uio->uio_iov[i];
1603 char *buf = (char *) iov->iov_base;
1604 off_t len = iov->iov_len;
1605
1606 diag_write(buf, len);
1607 }
1608 uio->uio_resid = 0;
1609
1610 return ENOERR;
1611 }
1612 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1613 {
1614 return ENOERR;
1615 }
1616
1617 // -------------------------------------------------------------------------
1618 // romfs_fo_close()
1619 // Close a file. We just clear out the data pointer.
1620
1621 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1622 {
1623 return ENOERR;
1624 }
1625
1626 int loadFile(const char *fileName, void **data, int *len);
1627
1628 /* boolean parameter stored on config */
1629 int boolParam(char *var)
1630 {
1631 bool result = false;
1632 char *name = alloc_printf("%s/%s", zylin_config_dir, var);
1633 if (name == NULL)
1634 return result;
1635
1636 void *data;
1637 int len;
1638 if (loadFile(name, &data, &len) == ERROR_OK)
1639 {
1640 if (len > 1)
1641 len = 1;
1642 result = strncmp((char *) data, "1", len) == 0;
1643 free(data);
1644 }
1645 free(name);
1646 return result;
1647 }
1648