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