split jim_jtag_command into multiple handlers
[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
84 #ifdef CYGPKG_HAL_NIOS2
85 #define ZY1000_SER_DEV "/dev/uart_0"
86 #else
87 #define ZY1000_SER_DEV "/dev/ser0"
88
89 #endif
90
91
92 #define MAX_IFS 64
93 #if defined(CYGPKG_NET_FREEBSD_STACK)
94 #include <tftp_support.h>
95 /* posix compatibility broken*/
96 struct tftpd_fileops fileops =
97 {
98 (int (*)(const char *, int))open,
99 close,
100 (int (*)(int, const void *, int))write,
101 (int (*)(int, void *, int))read
102 };
103
104 #endif
105
106
107 void diag_write(char *buf, int len)
108 {
109 int j;
110 for (j = 0; j < len; j++)
111 {
112 diag_printf("%c", buf[j]);
113 }
114 }
115
116 static bool serialLog = true;
117 static bool writeLog = true;
118
119 char hwaddr[512];
120
121
122 extern struct flash_driver *flash_drivers[];
123 extern struct target_type *target_types[];
124
125 #ifdef CYGPKG_PROFILE_GPROF
126 #include <cyg/profile/profile.h>
127
128 extern char _stext, _etext; // Defined by the linker
129
130 static char *start_of_code=&_stext;
131 static char *end_of_code=&_etext;
132
133 void start_profile(void)
134 {
135 // This starts up the system-wide profiling, gathering
136 // profile information on all of the code, with a 16 byte
137 // "bucket" size, at a rate of 100us/profile hit.
138 // Note: a bucket size of 16 will give pretty good function
139 // resolution. Much smaller and the buffer becomes
140 // much too large for very little gain.
141 // Note: a timer period of 100us is also a reasonable
142 // compromise. Any smaller and the overhead of
143 // handling the timter (profile) interrupt could
144 // swamp the system. A fast processor might get
145 // by with a smaller value, but a slow one could
146 // even be swamped by this value. If the value is
147 // too large, the usefulness of the profile is reduced.
148
149 // no more interrupts than 1/10ms.
150 //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
151 // profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
152 profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
153 }
154 #endif
155
156 static FILE *log;
157
158 static char reboot_stack[2048];
159
160 static void zylinjtag_reboot(cyg_addrword_t data)
161 {
162 serialLog = true;
163 diag_printf("Rebooting in 500 ticks..\n");
164 cyg_thread_delay(500);
165 diag_printf("Unmounting /config..\n");
166 umount("/config");
167 diag_printf("Rebooting..\n");
168 HAL_PLATFORM_RESET();
169 }
170 static cyg_thread zylinjtag_thread_object;
171 static cyg_handle_t zylinjtag_thread_handle;
172
173 void reboot(void)
174 {
175 cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
176 (void *) reboot_stack, sizeof(reboot_stack),
177 &zylinjtag_thread_handle, &zylinjtag_thread_object);
178 cyg_thread_resume(zylinjtag_thread_handle);
179 }
180
181 static char zylinjtag_reboot_port_stack[2048];
182 static cyg_thread zylinjtag_reboot_port_thread_object;
183 static cyg_handle_t zylinjtag_reboot_port_thread_handle;
184
185 static void zylinjtag_reboot_port_task(cyg_addrword_t data)
186 {
187 int so_reuseaddr_option = 1;
188
189 int fd;
190 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
191 {
192 LOG_ERROR("error creating socket: %s", strerror(errno));
193 exit(-1);
194 }
195
196 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
197 sizeof(int));
198
199 struct sockaddr_in sin;
200 unsigned int address_size;
201 address_size = sizeof(sin);
202 memset(&sin, 0, sizeof(sin));
203 sin.sin_family = AF_INET;
204 sin.sin_addr.s_addr = INADDR_ANY;
205 sin.sin_port = htons(1234);
206
207 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
208 {
209 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
210 exit(-1);
211 }
212
213 if (listen(fd, 1) == -1)
214 {
215 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
216 exit(-1);
217 }
218 // socket_nonblock(fd);
219
220
221 accept(fd, (struct sockaddr *) &sin, &address_size);
222
223 diag_printf("Got reboot signal on port 1234");
224
225 reboot();
226
227 }
228
229 void reboot_port(void)
230 {
231 cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
232 (void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
233 &zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
234 cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
235 }
236
237 int configuration_output_handler(struct command_context *context,
238 const char* line)
239 {
240 diag_printf("%s", line);
241
242 return ERROR_OK;
243 }
244
245 int zy1000_configuration_output_handler_log(struct command_context *context,
246 const char* line)
247 {
248 LOG_USER_N("%s", line);
249
250 return ERROR_OK;
251 }
252
253 #ifdef CYGPKG_PROFILE_GPROF
254
255 int eCosBoard_handle_eCosBoard_profile_command(struct command_context *cmd_ctx, char *cmd, char **args, int argc)
256 {
257 command_print(cmd_ctx, "Profiling started");
258 start_profile();
259 return ERROR_OK;
260 }
261
262 #endif
263
264 externC void phi_init_all_network_interfaces(void);
265
266 struct command_context *cmd_ctx;
267
268 static bool webRunning = false;
269
270 void keep_webserver(void)
271 {
272 // Target initialisation is only attempted at startup, so we sleep forever and
273 // let the http server bail us out(i.e. get config files set up).
274 diag_printf("OpenOCD has invoked exit().\n"
275 "Use web server to correct any configuration settings and reboot.\n");
276 if (!webRunning)
277 reboot();
278
279 // exit() will terminate the current thread and we we'll then sleep eternally or
280 // we'll have a reboot scheduled.
281 }
282
283 extern void printDccChar(char c);
284
285 static char logBuffer[128 * 1024];
286 static const int logSize = sizeof(logBuffer);
287 int writePtr = 0;
288 int logCount = 0;
289
290 void _zylinjtag_diag_write_char(char c, void **param)
291 {
292 if (writeLog)
293 {
294 logBuffer[writePtr] = c;
295 writePtr = (writePtr + 1) % logSize;
296 logCount++;
297 }
298 if (serialLog)
299 {
300 if (c == '\n')
301 {
302 HAL_DIAG_WRITE_CHAR('\r');
303 }
304 HAL_DIAG_WRITE_CHAR(c);
305 }
306
307 #ifdef CYGPKG_HAL_ZYLIN_PHI
308 printDccChar(c);
309 #endif
310 }
311
312 void copyfile(char *name2, char *name1);
313
314 void copydir(char *name, char *destdir);
315
316 #if 0
317 MTAB_ENTRY(romfs_mte1,
318 "/rom",
319 "romfs",
320 "",
321 (CYG_ADDRWORD) &filedata[0]);
322 #endif
323
324 void openocd_sleep_prelude(void)
325 {
326 cyg_mutex_unlock(&httpstate.jim_lock);
327 }
328
329 void openocd_sleep_postlude(void)
330 {
331 cyg_mutex_lock(&httpstate.jim_lock);
332 }
333
334 void format(void)
335 {
336 #ifdef CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1
337 diag_printf("Formatting JFFS2...\n");
338
339 cyg_io_handle_t handle;
340
341 Cyg_ErrNo err;
342 err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
343 if (err != ENOERR)
344 {
345 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
346 reboot();
347 }
348
349 cyg_uint32 len;
350 cyg_io_flash_getconfig_devsize_t ds;
351 len = sizeof(ds);
352 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
353 if (err != ENOERR)
354 {
355 diag_printf("Flash error cyg_io_get_config %d\n", err);
356 reboot();
357 }
358
359 cyg_io_flash_getconfig_erase_t e;
360 len = sizeof(e);
361
362 e.offset = 0;
363 e.len = ds.dev_size;
364
365 diag_printf("Formatting 0x%08x bytes\n", (int)ds.dev_size);
366 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
367 if (err != ENOERR)
368 {
369 diag_printf("Flash erase error %d offset 0x%08x\n", err, e.err_address);
370 reboot();
371 }
372
373 diag_printf("Flash formatted successfully\n");
374 #endif
375
376 reboot();
377 }
378
379 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
380 Jim_Obj * const *argv)
381 {
382 if (argc != 1)
383 {
384 return JIM_ERR;
385 }
386
387 format();
388 for (;;)
389 ;
390 }
391
392 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
393 Jim_Obj * const *argv)
394 {
395 cyg_handle_t thread = 0;
396 cyg_uint16 id = 0;
397 Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
398
399 /* Loop over the threads, and generate a table row for
400 * each.
401 */
402 while (cyg_thread_get_next(&thread, &id))
403 {
404 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
405
406 cyg_thread_info info;
407 char *state_string;
408
409 cyg_thread_get_info(thread, id, &info);
410
411 if (info.name == NULL)
412 info.name = "<no name>";
413
414 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
415 info.name, strlen(info.name)));
416
417 /* Translate the state into a string.
418 */
419 if (info.state == 0)
420 state_string = "RUN";
421 else if (info.state & 0x04)
422 state_string = "SUSP";
423 else
424 switch (info.state & 0x1b)
425 {
426 case 0x01:
427 state_string = "SLEEP";
428 break;
429 case 0x02:
430 state_string = "CNTSLEEP";
431 break;
432 case 0x08:
433 state_string = "CREATE";
434 break;
435 case 0x10:
436 state_string = "EXIT";
437 break;
438 default:
439 state_string = "????";
440 break;
441 }
442
443 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
444 state_string, strlen(state_string)));
445
446 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
447 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
448 info.set_pri));
449 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
450 info.cur_pri));
451
452 Jim_ListAppendElement(interp, threads, threadObj);
453 }
454 Jim_SetResult(interp, threads);
455
456 return JIM_OK;
457 }
458
459 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
460 Jim_Obj * const *argv)
461 {
462 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
463
464 if (logCount >= logSize)
465 {
466 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
467 % logSize, logSize - logCount % logSize);
468 }
469 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
470
471 Jim_SetResult(interp, tclOutput);
472 return JIM_OK;
473 }
474
475 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
476 Jim_Obj * const *argv)
477 {
478 reboot();
479 return JIM_OK;
480 }
481
482 static void zylinjtag_startNetwork(void)
483 {
484 // Bring TCP/IP up immediately before we're ready to accept commands.
485 //
486 // That is as soon as a PING responds, we're accepting telnet sessions.
487 #if defined(CYGPKG_NET_FREEBSD_STACK)
488 phi_init_all_network_interfaces();
489 #else
490 lwip_init();
491 #endif
492 if (!eth0_up)
493 {
494 diag_printf("Network not up and running\n");
495 exit(-1);
496 }
497
498 /* very first thing we want is a reboot capability */
499 reboot_port();
500
501 #if defined(CYGPKG_NET_FREEBSD_STACK)
502 /*start TFTP*/
503 tftpd_start(69, &fileops);
504 #endif
505
506 cyg_httpd_init_tcl_interpreter();
507
508 interp = httpstate.jim_interp;
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 struct command_context *setup_command_handler(void);
937
938 static const char *zylin_config_dir="/config/settings";
939
940 static int add_default_dirs(void)
941 {
942 add_script_search_dir(zylin_config_dir);
943 add_script_search_dir("/rom/lib/openocd");
944 add_script_search_dir("/rom");
945 return ERROR_OK;
946 }
947
948 int ioutil_init(struct command_context *cmd_ctx);
949
950 int main(int argc, char *argv[])
951 {
952 /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
953 * need to allocate towards the end of the heap. */
954
955 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
956 setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
957 setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
958 setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
959 #endif
960
961 int err;
962
963 atexit(keep_webserver);
964
965 diag_init_putc(_zylinjtag_diag_write_char);
966 // We want this in the log.
967 diag_printf("Zylin ZY1000.\n");
968
969 err = mount("", "/ram", "ramfs");
970 if (err < 0)
971 {
972 diag_printf("unable to mount ramfs\n");
973 }
974 chdir("/ram");
975
976 char address[16];
977 sprintf(address, "%p", &filedata[0]);
978 err = mount(address, "/rom", "romfs");
979 if (err < 0)
980 {
981 diag_printf("unable to mount /rom\n");
982 }
983
984 err = mount("", "/log", "logfs");
985 if (err < 0)
986 {
987 diag_printf("unable to mount logfs\n");
988 }
989
990 err = mount("", "/tftp", "tftpfs");
991 if (err < 0)
992 {
993 diag_printf("unable to mount logfs\n");
994 }
995
996 log = fopen("/log/log", "w");
997 if (log == NULL)
998 {
999 diag_printf("Could not open log file /ram/log\n");
1000 exit(-1);
1001 }
1002
1003
1004 copydir("/rom", "/ram/cgi");
1005
1006 err = mount("/dev/flash1", "/config", "jffs2");
1007 if (err < 0)
1008 {
1009 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
1010 err = mount("", "/config", "ramfs");
1011 if (err < 0)
1012 {
1013 diag_printf("unable to mount /config as ramdisk.\n");
1014 reboot();
1015 }
1016 }
1017 else
1018 {
1019 /* are we using a ram disk instead of a flash disk? This is used
1020 * for ZY1000 live demo...
1021 *
1022 * copy over flash disk to ram block device
1023 */
1024 if (boolParam("ramdisk"))
1025 {
1026 diag_printf("Unmounting /config from flash and using ram instead\n");
1027 err = umount("/config");
1028 if (err < 0)
1029 {
1030 diag_printf("unable to unmount jffs\n");
1031 reboot();
1032 }
1033
1034 err = mount("/dev/flash1", "/config2", "jffs2");
1035 if (err < 0)
1036 {
1037 diag_printf("unable to mount jffs\n");
1038 reboot();
1039 }
1040
1041 err = mount("", "/config", "ramfs");
1042 if (err < 0)
1043 {
1044 diag_printf("unable to mount ram block device\n");
1045 reboot();
1046 }
1047
1048 // copydir("/config2", "/config");
1049 copyfile("/config2/ip", "/config/ip");
1050 copydir("/config2/settings", "/config/settings");
1051
1052 umount("/config2");
1053 }
1054 }
1055
1056 mkdir(zylin_config_dir, 0777);
1057 char *dirname = alloc_printf("%s/target", zylin_config_dir);
1058 mkdir(dirname, 0777);
1059 free(dirname);
1060 dirname = alloc_printf("%s/board", zylin_config_dir);
1061 mkdir(dirname, 0777);
1062 free(dirname);
1063 dirname = alloc_printf("%s/event", zylin_config_dir);
1064 mkdir(dirname, 0777);
1065 free(dirname);
1066
1067 logAllToSerial = boolParam("logserial");
1068
1069 // We need the network & web server in case there is something wrong with
1070 // the config files that invoke exit()
1071 zylinjtag_startNetwork();
1072
1073 /* we're going to access the jim interpreter from here on... */
1074 openocd_sleep_postlude();
1075 startUart();
1076
1077 add_default_dirs();
1078
1079 /* initialize commandline interface */
1080 struct command_context * cmd_ctx;
1081 cmd_ctx = setup_command_handler();
1082 command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1083 command_context_mode(cmd_ctx, COMMAND_CONFIG);
1084
1085 #if BUILD_IOUTIL
1086 if (ioutil_init(cmd_ctx) != ERROR_OK)
1087 {
1088 return EXIT_FAILURE;
1089 }
1090 #endif
1091
1092
1093 #ifdef CYGPKG_PROFILE_GPROF
1094 COMMAND_REGISTER(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1095 COMMAND_ANY, NULL);
1096 #endif
1097
1098 Jim_CreateCommand(interp, "uart", zylinjtag_Jim_Command_uart, NULL, NULL);
1099
1100
1101 log_init();
1102
1103 set_log_output(cmd_ctx, log);
1104
1105 LOG_DEBUG("log init complete");
1106
1107 // diag_printf("Executing config files\n");
1108
1109 if (logAllToSerial)
1110 {
1111 diag_printf(
1112 "%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1113 command_run_line(cmd_ctx, "debug_level 3");
1114 }
1115
1116 command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1117
1118 /* we MUST always run the init command as it will launch telnet sessions */
1119 command_run_line(cmd_ctx, "init");
1120
1121 // FIX!!! Yuk!
1122 // diag_printf() is really invoked from many more places than we trust it
1123 // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1124 //
1125 // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1126 // fingers that it doesn't cause any crashes.
1127 diag_printf("Init complete, GDB & telnet servers launched.\n");
1128 command_set_output_handler(cmd_ctx,
1129 zy1000_configuration_output_handler_log, NULL);
1130 if (!logAllToSerial)
1131 {
1132 serialLog = false;
1133 }
1134
1135 /* handle network connections */
1136 server_loop(cmd_ctx);
1137 openocd_sleep_prelude();
1138
1139 /* shut server down */
1140 server_quit();
1141
1142 /* free commandline interface */
1143 command_done(cmd_ctx);
1144 umount("/config");
1145
1146 exit(0);
1147 for (;;)
1148 ;
1149 }
1150
1151 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1152 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1153 {
1154 cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1155 return 0;
1156 }
1157
1158 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1159
1160 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1161 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1162
1163 #include <pkgconf/system.h>
1164 #include <pkgconf/hal.h>
1165 #include <pkgconf/kernel.h>
1166 #include <pkgconf/io_fileio.h>
1167 #include <pkgconf/fs_rom.h>
1168
1169 #include <cyg/kernel/ktypes.h> // base kernel types
1170 #include <cyg/infra/cyg_trac.h> // tracing macros
1171 #include <cyg/infra/cyg_ass.h> // assertion macros
1172 #include <cyg/fileio/fileio.h>
1173 #include <cyg/kernel/kapi.h>
1174 #include <cyg/infra/diag.h>
1175
1176 //==========================================================================
1177 // Eventually we want to eXecute In Place from the ROM in a protected
1178 // environment, so we'll need executables to be aligned to a boundary
1179 // suitable for MMU protection. A suitable boundary would be the 4k
1180 // boundary in all the CPU architectures I am currently aware of.
1181
1182 // Forward definitions
1183
1184 // Filesystem operations
1185 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1186 static int tftpfs_umount(cyg_mtab_entry *mte);
1187 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1188 int mode, cyg_file *fte);
1189 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1190 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1191
1192 // File operations
1193 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1194 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1195 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1196
1197 //==========================================================================
1198 // Filesystem table entries
1199
1200 // -------------------------------------------------------------------------
1201 // Fstab entry.
1202 // This defines the entry in the filesystem table.
1203 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1204 // we should never block in any filesystem operations.
1205 #if 1
1206 FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
1207 CYG_SYNCMODE_NONE,
1208 tftpfs_mount,
1209 tftpfs_umount,
1210 tftpfs_open,
1211 (cyg_fsop_unlink *)cyg_fileio_erofs,
1212 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1213 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1214 (cyg_fsop_rename *)cyg_fileio_erofs,
1215 (cyg_fsop_link *)cyg_fileio_erofs,
1216 (cyg_fsop_opendir *)cyg_fileio_erofs,
1217 (cyg_fsop_chdir *)cyg_fileio_erofs,
1218 (cyg_fsop_stat *)cyg_fileio_erofs,
1219 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1220 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1221 #endif
1222
1223 // -------------------------------------------------------------------------
1224 // mtab entry.
1225 // This defines a single ROMFS loaded into ROM at the configured address
1226 //
1227 // MTAB_ENTRY(rom_mte, // structure name
1228 // "/rom", // mount point
1229 // "romfs", // FIlesystem type
1230 // "", // hardware device
1231 // (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
1232 //);
1233
1234
1235 // -------------------------------------------------------------------------
1236 // File operations.
1237 // This set of file operations are used for normal open files.
1238
1239 static cyg_fileops tftpfs_fileops =
1240 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1241 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1242 tftpfs_fo_fsync, tftpfs_fo_close,
1243 (cyg_fileop_fstat *) cyg_fileio_erofs,
1244 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1245 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1246
1247 // -------------------------------------------------------------------------
1248 // tftpfs_mount()
1249 // Process a mount request. This mainly finds root for the
1250 // filesystem.
1251
1252 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1253 {
1254 return ENOERR;
1255 }
1256
1257 static int tftpfs_umount(cyg_mtab_entry *mte)
1258 {
1259 return ENOERR;
1260 }
1261
1262 struct Tftp
1263 {
1264 int write;
1265 int readFile;
1266 cyg_uint8 *mem;
1267 int actual;
1268 char *server;
1269 char *file;
1270 };
1271
1272 static void freeTftp(struct Tftp *t)
1273 {
1274 if (t == NULL)
1275 return;
1276 if (t->mem)
1277 free(t->mem);
1278 if (t->server)
1279 free(t->server);
1280 if (t->file)
1281 free(t->file);
1282 free(t);
1283 }
1284
1285 static const int tftpMaxSize = 8192 * 1024;
1286 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1287 int mode, cyg_file *file)
1288 {
1289 struct Tftp *tftp;
1290 tftp = malloc(sizeof(struct Tftp));
1291 if (tftp == NULL)
1292 return EMFILE;
1293 memset(tftp, 0, sizeof(struct Tftp));
1294
1295 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1296 file->f_type = CYG_FILE_TYPE_FILE;
1297 file->f_ops = &tftpfs_fileops;
1298 file->f_offset = 0;
1299 file->f_data = 0;
1300 file->f_xops = 0;
1301
1302 tftp->mem = malloc(tftpMaxSize);
1303 if (tftp->mem == NULL)
1304 {
1305 freeTftp(tftp);
1306 return EMFILE;
1307 }
1308
1309 char *server = strchr(name, '/');
1310 if (server == NULL)
1311 {
1312 freeTftp(tftp);
1313 return EMFILE;
1314 }
1315
1316 tftp->server = malloc(server - name + 1);
1317 if (tftp->server == NULL)
1318 {
1319 freeTftp(tftp);
1320 return EMFILE;
1321 }
1322 strncpy(tftp->server, name, server - name);
1323 tftp->server[server - name] = 0;
1324
1325 tftp->file = strdup(server + 1);
1326 if (tftp->file == NULL)
1327 {
1328 freeTftp(tftp);
1329 return EMFILE;
1330 }
1331
1332 file->f_data = (CYG_ADDRWORD) tftp;
1333
1334 return ENOERR;
1335 }
1336
1337 static int fetchTftp(struct Tftp *tftp)
1338 {
1339 if (!tftp->readFile)
1340 {
1341 int err;
1342 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1343 tftpMaxSize, TFTP_OCTET, &err);
1344
1345 if (tftp->actual < 0)
1346 {
1347 return EMFILE;
1348 }
1349 tftp->readFile = 1;
1350 }
1351 return ENOERR;
1352 }
1353
1354 // -------------------------------------------------------------------------
1355 // tftpfs_fo_write()
1356 // Read data from file.
1357
1358 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1359 {
1360 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1361
1362 if (fetchTftp(tftp) != ENOERR)
1363 return EMFILE;
1364
1365 int i;
1366 off_t pos = fp->f_offset;
1367 int resid = 0;
1368 for (i = 0; i < uio->uio_iovcnt; i++)
1369 {
1370 cyg_iovec *iov = &uio->uio_iov[i];
1371 char *buf = (char *) iov->iov_base;
1372 off_t len = iov->iov_len;
1373
1374 if (len + pos > tftp->actual)
1375 {
1376 len = tftp->actual - pos;
1377 }
1378 resid += iov->iov_len - len;
1379
1380 memcpy(buf, tftp->mem + pos, len);
1381 pos += len;
1382
1383 }
1384 uio->uio_resid = resid;
1385 fp->f_offset = pos;
1386
1387 return ENOERR;
1388 }
1389
1390 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1391 {
1392 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1393
1394 int i;
1395 off_t pos = fp->f_offset;
1396 int resid = 0;
1397 for (i = 0; i < uio->uio_iovcnt; i++)
1398 {
1399 cyg_iovec *iov = &uio->uio_iov[i];
1400 char *buf = (char *) iov->iov_base;
1401 off_t len = iov->iov_len;
1402
1403 if (len + pos > tftpMaxSize)
1404 {
1405 len = tftpMaxSize - pos;
1406 }
1407 resid += iov->iov_len - len;
1408
1409 memcpy(tftp->mem + pos, buf, len);
1410 pos += len;
1411
1412 }
1413 uio->uio_resid = resid;
1414 fp->f_offset = pos;
1415
1416 tftp->write = 1;
1417
1418 return ENOERR;
1419 }
1420
1421 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1422 {
1423 int error = ENOERR;
1424 return error;
1425 }
1426
1427 // -------------------------------------------------------------------------
1428 // romfs_fo_close()
1429 // Close a file. We just clear out the data pointer.
1430
1431 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1432 {
1433 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1434 int error = ENOERR;
1435
1436 if (tftp->write)
1437 {
1438 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1439 TFTP_OCTET, &error);
1440 }
1441
1442 freeTftp(tftp);
1443 fp->f_data = 0;
1444 return error;
1445 }
1446
1447 // -------------------------------------------------------------------------
1448 // romfs_fo_lseek()
1449 // Seek to a new file position.
1450
1451 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1452 {
1453 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1454 off_t pos = *apos;
1455
1456 if (fetchTftp(tftp) != ENOERR)
1457 return EMFILE;
1458
1459 switch (whence)
1460 {
1461 case SEEK_SET:
1462 // Pos is already where we want to be.
1463 break;
1464
1465 case SEEK_CUR:
1466 // Add pos to current offset.
1467 pos += fp->f_offset;
1468 break;
1469
1470 case SEEK_END:
1471 // Add pos to file size.
1472 pos += tftp->actual;
1473 break;
1474
1475 default:
1476 return EINVAL;
1477 }
1478
1479 // Check that pos is still within current file size, or at the
1480 // very end.
1481 if (pos < 0 || pos > tftp->actual)
1482 return EINVAL;
1483
1484 // All OK, set fp offset and return new position.
1485 *apos = fp->f_offset = pos;
1486
1487 return ENOERR;
1488 }
1489
1490 void usleep(int us)
1491 {
1492 if (us > 10000)
1493 cyg_thread_delay(us / 10000 + 1);
1494 else
1495 HAL_DELAY_US(us);
1496 }
1497
1498 // Chunked version.
1499 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1500 {
1501 cyg_httpd_start_chunked("text");
1502 if (logCount >= logSize)
1503 {
1504 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1505 - logCount % logSize);
1506 }
1507 cyg_httpd_write_chunked(logBuffer, writePtr);
1508 cyg_httpd_end_chunked();
1509 return -1;
1510 }
1511
1512 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1513
1514 // Filesystem operations
1515 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1516 static int logfs_umount(cyg_mtab_entry *mte);
1517 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1518 int mode, cyg_file *fte);
1519 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1520
1521 // File operations
1522 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1523 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1524
1525 #include <cyg/io/devtab.h>
1526
1527 //==========================================================================
1528 // Filesystem table entries
1529
1530 // -------------------------------------------------------------------------
1531 // Fstab entry.
1532 // This defines the entry in the filesystem table.
1533 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1534 // we should never block in any filesystem operations.
1535 FSTAB_ENTRY(logfs_fste, "logfs", 0,
1536 CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
1537 logfs_mount,
1538 logfs_umount,
1539 logfs_open,
1540 (cyg_fsop_unlink *)cyg_fileio_erofs,
1541 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1542 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1543 (cyg_fsop_rename *)cyg_fileio_erofs,
1544 (cyg_fsop_link *)cyg_fileio_erofs,
1545 (cyg_fsop_opendir *)cyg_fileio_erofs,
1546 (cyg_fsop_chdir *)cyg_fileio_erofs,
1547 (cyg_fsop_stat *)cyg_fileio_erofs,
1548 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1549 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1550
1551 // -------------------------------------------------------------------------
1552 // File operations.
1553 // This set of file operations are used for normal open files.
1554
1555 static cyg_fileops logfs_fileops =
1556 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1557 (cyg_fileop_lseek *) cyg_fileio_erofs,
1558 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1559 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1560 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1561 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1562
1563 // -------------------------------------------------------------------------
1564 // logfs_mount()
1565 // Process a mount request. This mainly finds root for the
1566 // filesystem.
1567
1568 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1569 {
1570 return ENOERR;
1571 }
1572
1573 static int logfs_umount(cyg_mtab_entry *mte)
1574 {
1575 return ENOERR;
1576 }
1577
1578 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1579 int mode, cyg_file *file)
1580 {
1581 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1582 file->f_type = CYG_FILE_TYPE_FILE;
1583 file->f_ops = &logfs_fileops;
1584 file->f_offset = 0;
1585 file->f_data = 0;
1586 file->f_xops = 0;
1587 return ENOERR;
1588 }
1589
1590 // -------------------------------------------------------------------------
1591 // logfs_fo_write()
1592 // Write data to file.
1593
1594 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1595 {
1596 int i;
1597 for (i = 0; i < uio->uio_iovcnt; i++)
1598 {
1599 cyg_iovec *iov = &uio->uio_iov[i];
1600 char *buf = (char *) iov->iov_base;
1601 off_t len = iov->iov_len;
1602
1603 diag_write(buf, len);
1604 }
1605 uio->uio_resid = 0;
1606
1607 return ENOERR;
1608 }
1609 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1610 {
1611 return ENOERR;
1612 }
1613
1614 // -------------------------------------------------------------------------
1615 // romfs_fo_close()
1616 // Close a file. We just clear out the data pointer.
1617
1618 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1619 {
1620 return ENOERR;
1621 }
1622
1623 int loadFile(const char *fileName, void **data, int *len);
1624
1625 /* boolean parameter stored on config */
1626 int boolParam(char *var)
1627 {
1628 bool result = false;
1629 char *name = alloc_printf("%s/%s", zylin_config_dir, var);
1630 if (name == NULL)
1631 return result;
1632
1633 void *data;
1634 int len;
1635 if (loadFile(name, &data, &len) == ERROR_OK)
1636 {
1637 if (len > 1)
1638 len = 1;
1639 result = strncmp((char *) data, "1", len) == 0;
1640 free(data);
1641 }
1642 free(name);
1643 return result;
1644 }
1645