]> git.sur5r.net Git - openocd/blob - src/ecosboard.c
JLink support for non-7-cycle state moves by Dick Hollenbeck <dick@softplc.com>
[openocd] / src / ecosboard.c
1 /***************************************************************************
2  *   Copyright (C) 2007-2008 by Ã˜yvind Harboe                              *
3  *                                                                         *
4  *   This program is free software; you can redistribute it and/or modify  *
5  *   it under the terms of the GNU General Public License as published by  *
6  *   the Free Software Foundation; either version 2 of the License, or     *
7  *   (at your option) any later version.                                   *
8  *                                                                         *
9  *   This program is distributed in the hope that it will be useful,       *
10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
12  *   GNU General Public License for more details.                          *
13  *                                                                         *
14  *   You should have received a copy of the GNU General Public License     *
15  *   along with this program; if not, write to the                         *
16  *   Free Software Foundation, Inc.,                                       *
17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
18  ***************************************************************************/
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "log.h"
25 #include "types.h"
26 #include "jtag.h"
27 #include "configuration.h"
28 #include "xsvf.h"
29 #include "svf.h"
30 #include "target.h"
31 #include "flash.h"
32 #include "nand.h"
33 #include "pld.h"
34
35 #include "command.h"
36 #include "server.h"
37 #include "telnet_server.h"
38 #include "gdb_server.h"
39
40 #include <time_support.h>
41 #include <sys/time.h>
42 #include <strings.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <unistd.h>
47 #include <errno.h>
48
49 #include <cyg/io/flash.h>
50 #include <pkgconf/fs_jffs2.h>   // Address of JFFS2
51 #include <network.h>
52
53 #include <fcntl.h>
54 #include <sys/stat.h>
55 #include <cyg/fileio/fileio.h>
56 #include <dirent.h>
57 #include <cyg/athttpd/http.h>
58 #include <cyg/athttpd/socket.h>
59 #include <cyg/athttpd/handler.h>
60 #include <cyg/athttpd/cgi.h>
61 #include <cyg/athttpd/forms.h>
62 #include <cyg/discover/discover.h>
63 #include <cyg/hal/hal_diag.h>
64 #include <cyg/kernel/kapi.h>
65 #include <cyg/io/serialio.h>
66 #include <cyg/io/io.h>
67 #include <netinet/tcp.h>
68 #include "rom.h"
69 #include <sys/ioctl.h>
70 #include <sys/socket.h>
71 #include <netinet/in.h>
72 #include <net/if.h>
73 #include <arpa/inet.h>
74 #include <sys/types.h>
75 #include <sys/socket.h>
76 #include <netdb.h>
77 #include <netinet/in.h>
78 #include <unistd.h>
79 #include <arpa/inet.h>
80 #include <stdio.h>
81 #include <ifaddrs.h>
82 #include <string.h>
83
84 #include <unistd.h>
85 #include <stdio.h>
86
87
88 #define MAX_IFS 64
89 #if defined(CYGPKG_NET_FREEBSD_STACK)
90 #include <tftp_support.h>
91 /* posix compatibility broken*/
92 struct tftpd_fileops fileops =
93 {
94         (int (*)(const char *, int))open,
95         close,
96         (int (*)(int, const void *, int))write,
97         ( int (*)(int, void *, int))read
98 };
99
100 #endif
101
102
103 void diag_write(char *buf, int len)
104 {
105         int j;
106         for (j = 0; j < len; j++)
107         {
108                 diag_printf("%c", buf[j]);
109         }
110 }
111
112 static bool serialLog = true;
113 static bool writeLog = true;
114
115 char hwaddr[512];
116
117
118 extern flash_driver_t *flash_drivers[];
119 extern target_type_t *target_types[];
120
121 #ifdef CYGPKG_PROFILE_GPROF
122 #include <cyg/profile/profile.h>
123
124 extern char _stext, _etext; // Defined by the linker
125
126 static char *start_of_code=&_stext;
127 static char *end_of_code=&_etext;
128
129 void start_profile(void)
130 {
131         // This starts up the system-wide profiling, gathering
132         // profile information on all of the code, with a 16 byte
133         // "bucket" size, at a rate of 100us/profile hit.
134         // Note: a bucket size of 16 will give pretty good function
135         //       resolution.  Much smaller and the buffer becomes
136         //       much too large for very little gain.
137         // Note: a timer period of 100us is also a reasonable
138         //       compromise.  Any smaller and the overhead of
139         //       handling the timter (profile) interrupt could
140         //       swamp the system.  A fast processor might get
141         //       by with a smaller value, but a slow one could
142         //       even be swamped by this value.  If the value is
143         //       too large, the usefulness of the profile is reduced.
144
145         // no more interrupts than 1/10ms.
146         //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
147         //      profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
148         profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
149 }
150 #endif
151
152 extern int eth0_up;
153 static FILE *log;
154
155 static char reboot_stack[2048];
156
157 static void zylinjtag_reboot(cyg_addrword_t data)
158 {
159         serialLog = true;
160         diag_printf("Rebooting in 100 ticks..\n");
161         cyg_thread_delay(100);
162         diag_printf("Unmounting /config..\n");
163         umount("/config");
164         diag_printf("Rebooting..\n");
165         HAL_PLATFORM_RESET();
166 }
167 static cyg_thread zylinjtag_thread_object;
168 static cyg_handle_t zylinjtag_thread_handle;
169
170 void reboot(void)
171 {
172         cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
173                         (void *) reboot_stack, sizeof(reboot_stack),
174                         &zylinjtag_thread_handle, &zylinjtag_thread_object);
175         cyg_thread_resume(zylinjtag_thread_handle);
176 }
177
178 int configuration_output_handler(struct command_context_s *context,
179                 const char* line)
180 {
181         diag_printf("%s", line);
182
183         return ERROR_OK;
184 }
185
186 int zy1000_configuration_output_handler_log(struct command_context_s *context,
187                 const char* line)
188 {
189         LOG_USER_N("%s", line);
190
191         return ERROR_OK;
192 }
193
194 #ifdef CYGPKG_PROFILE_GPROF
195 extern void start_profile(void);
196
197 int eCosBoard_handle_eCosBoard_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
198 {
199         command_print(cmd_ctx, "Profiling started");
200         start_profile();
201         return ERROR_OK;
202 }
203
204 #endif
205
206 externC void phi_init_all_network_interfaces(void);
207
208 command_context_t *cmd_ctx;
209
210 static bool webRunning = false;
211
212 void keep_webserver(void)
213 {
214         // Target initialisation is only attempted at startup, so we sleep forever and
215         // let the http server bail us out(i.e. get config files set up).
216         diag_printf("OpenOCD has invoked exit().\n"
217                 "Use web server to correct any configuration settings and reboot.\n");
218         if (!webRunning)
219                 reboot();
220
221         // exit() will terminate the current thread and we we'll then sleep eternally or
222         // we'll have a reboot scheduled.
223 }
224
225 extern void printDccChar(char c);
226
227 static char logBuffer[128 * 1024];
228 static const int logSize = sizeof(logBuffer);
229 int writePtr = 0;
230 int logCount = 0;
231
232 void _zylinjtag_diag_write_char(char c, void **param)
233 {
234         if (writeLog)
235         {
236                 logBuffer[writePtr] = c;
237                 writePtr = (writePtr + 1) % logSize;
238                 logCount++;
239         }
240         if (serialLog)
241         {
242                 if (c == '\n')
243                 {
244                         HAL_DIAG_WRITE_CHAR('\r');
245                 }
246                 HAL_DIAG_WRITE_CHAR(c);
247         }
248
249 #ifdef CYGPKG_HAL_ZYLIN_PHI
250         printDccChar(c);
251 #endif
252 }
253
254 void copyfile(char *name2, char *name1);
255
256 void copydir(char *name, char *destdir);
257
258 #if 0
259 MTAB_ENTRY( romfs_mte1,
260                 "/rom",
261                 "romfs",
262                 "",
263                 (CYG_ADDRWORD) &filedata[0] );
264 #endif
265
266 void openocd_sleep_prelude(void)
267 {
268         cyg_mutex_unlock(&httpstate.jim_lock);
269 }
270
271 void openocd_sleep_postlude(void)
272 {
273         cyg_mutex_lock(&httpstate.jim_lock);
274 }
275
276 void format(void)
277 {
278         diag_printf("Formatting JFFS2...\n");
279
280         cyg_io_handle_t handle;
281
282         Cyg_ErrNo err;
283         err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
284         if (err != ENOERR)
285         {
286                 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
287                 reboot();
288         }
289
290         cyg_uint32 len;
291         cyg_io_flash_getconfig_devsize_t ds;
292         len = sizeof(ds);
293         err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
294         if (err != ENOERR)
295         {
296                 diag_printf("Flash error cyg_io_get_config %d\n", err);
297                 reboot();
298         }
299
300         cyg_io_flash_getconfig_erase_t e;
301         void *err_addr;
302         len = sizeof(e);
303
304         e.offset = 0;
305         e.len = ds.dev_size;
306         e.err_address = &err_addr;
307
308         diag_printf("Formatting 0x%08x bytes\n", ds.dev_size);
309         err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
310         if (err != ENOERR)
311         {
312                 diag_printf("Flash erase error %d offset 0x%p\n", err, err_addr);
313                 reboot();
314         }
315
316         diag_printf("Flash formatted successfully\n");
317
318         reboot();
319 }
320
321 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
322                 Jim_Obj * const *argv)
323 {
324         if (argc != 1)
325         {
326                 return JIM_ERR;
327         }
328
329         format();
330         for (;;)
331                 ;
332 }
333
334 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
335                 Jim_Obj * const *argv)
336 {
337         cyg_handle_t thread = 0;
338         cyg_uint16 id = 0;
339         Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
340
341         /* Loop over the threads, and generate a table row for
342          * each.
343          */
344         while (cyg_thread_get_next(&thread, &id))
345         {
346                 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
347
348                 cyg_thread_info info;
349                 char *state_string;
350
351                 cyg_thread_get_info(thread, id, &info);
352
353                 if (info.name == NULL)
354                         info.name = "<no name>";
355
356                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
357                                 info.name, strlen(info.name)));
358
359                 /* Translate the state into a string.
360                  */
361                 if (info.state == 0)
362                         state_string = "RUN";
363                 else if (info.state & 0x04)
364                         state_string = "SUSP";
365                 else
366                         switch (info.state & 0x1b)
367                         {
368                         case 0x01:
369                                 state_string = "SLEEP";
370                                 break;
371                         case 0x02:
372                                 state_string = "CNTSLEEP";
373                                 break;
374                         case 0x08:
375                                 state_string = "CREATE";
376                                 break;
377                         case 0x10:
378                                 state_string = "EXIT";
379                                 break;
380                         default:
381                                 state_string = "????";
382                                 break;
383                         }
384
385                 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
386                                 state_string, strlen(state_string)));
387
388                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
389                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
390                                 info.set_pri));
391                 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
392                                 info.cur_pri));
393
394                 Jim_ListAppendElement(interp, threads, threadObj);
395         }
396         Jim_SetResult(interp, threads);
397
398         return JIM_OK;
399 }
400
401 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
402                 Jim_Obj * const *argv)
403 {
404         Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
405
406         if (logCount >= logSize)
407         {
408                 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
409                                 % logSize, logSize - logCount % logSize);
410         }
411         Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
412
413         Jim_SetResult(interp, tclOutput);
414         return JIM_OK;
415 }
416
417 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
418                 Jim_Obj * const *argv)
419 {
420         reboot();
421         return JIM_OK;
422 }
423
424
425 extern Jim_Interp *interp;
426
427 static void zylinjtag_startNetwork(void)
428 {
429         // Bring TCP/IP up immediately before we're ready to accept commands.
430         //
431         // That is as soon as a PING responds, we're accepting telnet sessions.
432 #if defined(CYGPKG_NET_FREEBSD_STACK)
433         phi_init_all_network_interfaces();
434 #else
435         lwip_init();
436 #endif
437         if (!eth0_up)
438         {
439                 diag_printf("Network not up and running\n");
440                 exit(-1);
441         }
442 #if defined(CYGPKG_NET_FREEBSD_STACK)
443         /*start TFTP*/
444         tftpd_start(69, &fileops);
445 #endif
446
447         cyg_httpd_init_tcl_interpreter();
448
449         interp = httpstate.jim_interp;
450
451         Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
452                         NULL, NULL);
453         Jim_CreateCommand(httpstate.jim_interp, "reboot",
454                         zylinjtag_Jim_Command_reboot, NULL, NULL);
455         Jim_CreateCommand(httpstate.jim_interp, "threads",
456                         zylinjtag_Jim_Command_threads, NULL, NULL);
457         Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
458                         zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
459
460         cyg_httpd_start();
461
462         webRunning = true;
463
464         diag_printf("Web server running\n");
465
466         int s;
467         struct ifreq ifr;
468         s = socket(AF_INET, SOCK_DGRAM, 0);
469         if (s >= 0)
470         {
471                 strcpy(ifr.ifr_name, "eth0");
472                 int res;
473                 res = ioctl(s, SIOCGIFHWADDR, &ifr);
474                 close(s);
475
476                 if (res < 0)
477                 {
478                         diag_printf("Can't obtain MAC address\n");
479                         reboot();
480                 }
481         }
482
483         sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
484                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
485                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
486                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
487                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
488                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
489                         (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
490
491         discover_message
492                         = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
493
494         discover_launch();
495 }
496
497 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
498                 cyg_addrword_t info)
499 {
500         writeLog = false;
501         serialLog = true;
502         char *infoStr = "unknown";
503         switch (exception)
504         {
505 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
506         case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
507         infoStr = "undefined instruction";
508         break;
509         case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
510         infoStr = "software interrupt";
511         break;
512         case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
513         infoStr = "abort prefetch";
514         break;
515         case CYGNUM_HAL_VECTOR_ABORT_DATA:
516         infoStr = "abort data";
517         break;
518 #endif
519         default:
520                 break;
521         }
522
523         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
524
525         diag_printf("Dumping log\n---\n");
526         if (logCount >= logSize)
527         {
528                 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
529         }
530         diag_write(logBuffer, writePtr);
531
532         diag_printf("---\nLogdump complete.\n");
533         diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
534         diag_printf("\n---\nRebooting\n");
535         HAL_PLATFORM_RESET();
536
537 }
538
539 static void setHandler(cyg_code_t exception)
540 {
541         cyg_exception_handler_t *old_handler;
542         cyg_addrword_t old_data;
543
544         cyg_exception_set_handler(exception, print_exception_handler, 0,
545                         &old_handler, &old_data);
546 }
547
548 static cyg_thread zylinjtag_uart_thread_object;
549 static cyg_handle_t zylinjtag_uart_thread_handle;
550 static char uart_stack[4096];
551
552 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
553 static char backwardBuffer[1024];
554
555 void setNoDelay(int session, int flag)
556 {
557 #if 1
558         // This decreases latency dramatically for e.g. GDB load which
559         // does not have a sliding window protocol
560         //
561         // Can cause *lots* of TCP/IP packets to be sent and it would have
562         // to be enabled/disabled on the fly to avoid the CPU being
563         // overloaded...
564         setsockopt(session, /* socket affected */
565         IPPROTO_TCP, /* set option at TCP level */
566         TCP_NODELAY, /* name of option */
567         (char *) &flag, /* the cast is historical
568          cruft */
569         sizeof(int)); /* length of option value */
570 #endif
571 }
572
573 struct
574 {
575         int req;
576         int actual;
577         int req2;
578         int actual2;
579 } tcpipSent[512 * 1024];
580 int cur;
581
582 static void zylinjtag_uart(cyg_addrword_t data)
583 {
584         int so_reuseaddr_option = 1;
585
586         int fd;
587         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
588         {
589                 LOG_ERROR("error creating socket: %s", strerror(errno));
590                 exit(-1);
591         }
592
593         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
594                         sizeof(int));
595
596         struct sockaddr_in sin;
597         unsigned int address_size;
598         address_size = sizeof(sin);
599         memset(&sin, 0, sizeof(sin));
600         sin.sin_family = AF_INET;
601         sin.sin_addr.s_addr = INADDR_ANY;
602         sin.sin_port = htons(5555);
603
604         if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
605         {
606                 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
607                 exit(-1);
608         }
609
610         if (listen(fd, 1) == -1)
611         {
612                 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
613                 exit(-1);
614         }
615         //      socket_nonblock(fd);
616
617
618         for (;;)
619         {
620                 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
621                 if (session < 0)
622                 {
623                         continue;
624                 }
625
626                 setNoDelay(session, 1);
627                 int oldopts = fcntl(session, F_GETFL, 0);
628                 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
629
630                 int serHandle = open("/dev/ser0", O_RDWR | O_NONBLOCK);
631                 if (serHandle < 0)
632                 {
633                         close(session);
634                         continue;
635                 }
636
637 #ifdef CYGPKG_PROFILE_GPROF
638                 start_profile();
639 #endif
640                 int actual = 0;
641                 int actual2 = 0;
642                 int pos, pos2;
643                 pos = 0;
644                 pos2 = 0;
645                 cur = 0;
646                 for (;;)
647                 {
648                         fd_set write_fds;
649                         fd_set read_fds;
650                         FD_ZERO(&write_fds);
651                         FD_ZERO(&read_fds);
652                         int fd_max = -1;
653                         FD_SET(session, &read_fds);
654                         fd_max = session;
655                         FD_SET(serHandle, &read_fds);
656                         if (serHandle > fd_max)
657                         {
658                                 fd_max = serHandle;
659                         }
660                         /* Wait... */
661
662                         cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
663                         if ((actual == 0) && (actual2 == 0))
664                         {
665                                 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
666                                 if (retval <= 0)
667                                 {
668                                         break;
669                                 }
670                         }
671
672                         if (actual2 <= 0)
673                         {
674                                 memset(backwardBuffer, 's', sizeof(backwardBuffer));
675                                 actual2 = read(serHandle, backwardBuffer,
676                                                 sizeof(backwardBuffer));
677                                 if (actual2 < 0)
678                                 {
679                                         if (errno != EAGAIN)
680                                         {
681                                                 goto closeSession;
682                                         }
683                                         actual2 = 0;
684                                 }
685                                 pos2 = 0;
686                         }
687
688                         int x = actual2;
689                         int y = 0;
690                         if (actual2 > 0)
691                         {
692                                 int written = write(session, backwardBuffer + pos2, actual2);
693                                 if (written <= 0)
694                                         goto closeSession;
695                                 actual2 -= written;
696                                 pos2 += written;
697                                 y = written;
698                         }
699
700                         if (FD_ISSET(session, &read_fds)
701                                         && (sizeof(forwardBuffer) > actual))
702                         {
703                                 // NB! Here it is important that we empty the TCP/IP read buffer
704                                 // to make transmission tick right
705                                 memmove(forwardBuffer, forwardBuffer + pos, actual);
706                                 pos = 0;
707                                 int t;
708                                 // this will block if there is no data at all
709                                 t = read_socket(session, forwardBuffer + actual,
710                                                 sizeof(forwardBuffer) - actual);
711                                 if (t <= 0)
712                                 {
713                                         goto closeSession;
714                                 }
715                                 actual += t;
716                         }
717
718                         int x2 = actual;
719                         int y2 = 0;
720                         if (actual > 0)
721                         {
722                                 /* Do not put things into the serial buffer if it has something to send
723                                  * as that can cause a single byte to be sent at the time.
724                                  *
725                                  *
726                                  */
727                                 int written = write(serHandle, forwardBuffer + pos, actual);
728                                 if (written < 0)
729                                 {
730                                         if (errno != EAGAIN)
731                                         {
732                                                 goto closeSession;
733                                         }
734                                         // The serial buffer is full
735                                         written = 0;
736                                 }
737                                 else
738                                 {
739                                         actual -= written;
740                                         pos += written;
741                                 }
742                                 y2 = written;
743                         }
744                         if (cur < 1024)
745                         {
746                                 tcpipSent[cur].req = x;
747                                 tcpipSent[cur].actual = y;
748                                 tcpipSent[cur].req2 = x2;
749                                 tcpipSent[cur].actual2 = y2;
750                                 cur++;
751                         }
752
753                 }
754                 closeSession: close(session);
755                 close(serHandle);
756
757                 int i;
758                 for (i = 0; i < 1024; i++)
759                 {
760                         diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
761                                         tcpipSent[i].req2, tcpipSent[i].actual2);
762
763                 }
764         }
765         close(fd);
766
767 }
768
769 void startUart(void)
770 {
771         cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
772                         (void *) uart_stack, sizeof(uart_stack),
773                         &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
774         cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
775         cyg_thread_resume(zylinjtag_uart_thread_handle);
776 }
777
778 int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd,
779                 char **args, int argc)
780 {
781         static int current_baud = 38400;
782         if (argc == 0)
783         {
784                 command_print(cmd_ctx, "%d", current_baud);
785                 return ERROR_OK;
786         }
787         else if (argc != 1)
788         {
789                 return ERROR_INVALID_ARGUMENTS;
790         }
791
792         current_baud = atol(args[0]);
793
794         int baud;
795         switch (current_baud)
796         {
797         case 9600:
798                 baud = CYGNUM_SERIAL_BAUD_9600;
799                 break;
800         case 19200:
801                 baud = CYGNUM_SERIAL_BAUD_19200;
802                 break;
803         case 38400:
804                 baud = CYGNUM_SERIAL_BAUD_38400;
805                 break;
806         case 57600:
807                 baud = CYGNUM_SERIAL_BAUD_57600;
808                 break;
809         case 115200:
810                 baud = CYGNUM_SERIAL_BAUD_115200;
811                 break;
812         case 230400:
813                 baud = CYGNUM_SERIAL_BAUD_230400;
814                 break;
815         default:
816                 command_print(cmd_ctx, "unsupported baudrate");
817                 return ERROR_INVALID_ARGUMENTS;
818         }
819
820         cyg_serial_info_t buf;
821         cyg_uint32 len = 1;
822         //get existing serial configuration
823         len = sizeof(cyg_serial_info_t);
824         int err;
825         cyg_io_handle_t serial_handle;
826
827         err = cyg_io_lookup("/dev/ser0", &serial_handle);
828         if (err != ENOERR)
829         {
830                 LOG_ERROR("/dev/ser0 not found\n");
831                 return ERROR_FAIL;
832         }
833
834         err = cyg_io_get_config(serial_handle,
835                         CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
836         err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
837                         &len);
838         if (err != ENOERR)
839         {
840                 command_print(cmd_ctx, "Failed to get serial port settings %d", err);
841                 return ERROR_OK;
842         }
843         buf.baud = baud;
844
845         err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
846                         &len);
847         if (err != ENOERR)
848         {
849                 command_print(cmd_ctx, "Failed to set serial port settings %d", err);
850                 return ERROR_OK;
851         }
852
853         return ERROR_OK;
854 }
855
856 bool logAllToSerial = false;
857
858
859 int boolParam(char *var);
860
861
862 command_context_t *setup_command_handler(void);
863
864 extern const char *zylin_config_dir;
865
866 int add_default_dirs(void)
867 {
868         add_script_search_dir(zylin_config_dir);
869         add_script_search_dir("/rom/lib/openocd");
870         add_script_search_dir("/rom");
871         return ERROR_OK;
872 }
873
874 int ioutil_init(struct command_context_s *cmd_ctx);
875
876 int main(int argc, char *argv[])
877 {
878         /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
879          * need to allocate towards the end of the heap.  */
880
881 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
882         setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
883         setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
884         setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
885 #endif
886
887         int err;
888
889         atexit(keep_webserver);
890
891         diag_init_putc(_zylinjtag_diag_write_char);
892         // We want this in the log.
893         diag_printf("Zylin ZY1000.\n");
894
895         err = mount("", "/ram", "ramfs");
896         if (err < 0)
897         {
898                 diag_printf("unable to mount ramfs\n");
899         }
900         chdir("/ram");
901
902         char address[16];
903         sprintf(address, "%p", &filedata[0]);
904         err = mount(address, "/rom", "romfs");
905         if (err < 0)
906         {
907                 diag_printf("unable to mount /rom\n");
908         }
909
910         err = mount("", "/log", "logfs");
911         if (err < 0)
912         {
913                 diag_printf("unable to mount logfs\n");
914         }
915
916         err = mount("", "/tftp", "tftpfs");
917         if (err < 0)
918         {
919                 diag_printf("unable to mount logfs\n");
920         }
921
922         log = fopen("/log/log", "w");
923         if (log == NULL)
924         {
925                 diag_printf("Could not open log file /ram/log\n");
926                 exit(-1);
927         }
928
929
930         copydir("/rom", "/ram/cgi");
931
932         err = mount("/dev/flash1", "/config", "jffs2");
933         if (err < 0)
934         {
935                 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
936                 err = mount("", "/config", "ramfs");
937                 if (err < 0)
938                 {
939                         diag_printf("unable to mount /config as ramdisk.\n");
940                         reboot();
941                 }
942         }
943         else
944         {
945                 /* are we using a ram disk instead of a flash disk? This is used
946                  * for ZY1000 live demo...
947                  *
948                  * copy over flash disk to ram block device
949                  */
950                 if (boolParam("ramdisk"))
951                 {
952                         diag_printf("Unmounting /config from flash and using ram instead\n");
953                         err = umount("/config");
954                         if (err < 0)
955                         {
956                                 diag_printf("unable to unmount jffs\n");
957                                 reboot();
958                         }
959
960                         err = mount("/dev/flash1", "/config2", "jffs2");
961                         if (err < 0)
962                         {
963                                 diag_printf("unable to mount jffs\n");
964                                 reboot();
965                         }
966
967                         err = mount("", "/config", "ramfs");
968                         if (err < 0)
969                         {
970                                 diag_printf("unable to mount ram block device\n");
971                                 reboot();
972                         }
973
974                         //              copydir("/config2", "/config");
975                         copyfile("/config2/ip", "/config/ip");
976                         copydir("/config2/settings", "/config/settings");
977
978                         umount("/config2");
979                 }
980         }
981
982         mkdir(zylin_config_dir, 0777);
983         char *dirname=alloc_printf("%s/target", zylin_config_dir);
984         mkdir(dirname, 0777);
985         free(dirname);
986         dirname=alloc_printf("%s/board", zylin_config_dir);
987         mkdir(dirname, 0777);
988         free(dirname);
989         dirname=alloc_printf("%s/event", zylin_config_dir);
990         mkdir(dirname, 0777);
991         free(dirname);
992
993         logAllToSerial = boolParam("logserial");
994
995         // We need the network & web server in case there is something wrong with
996         // the config files that invoke exit()
997         zylinjtag_startNetwork();
998
999         /* we're going to access the jim interpreter from here on... */
1000         openocd_sleep_postlude();
1001         startUart();
1002
1003         add_default_dirs();
1004
1005         /* initialize commandline interface */
1006         command_context_t * cmd_ctx;
1007         cmd_ctx = setup_command_handler();
1008         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1009         command_context_mode(cmd_ctx, COMMAND_CONFIG);
1010
1011 #if BUILD_IOUTIL
1012         if (ioutil_init(cmd_ctx) != ERROR_OK)
1013         {
1014                 return EXIT_FAILURE;
1015         }
1016 #endif
1017
1018
1019 #ifdef CYGPKG_PROFILE_GPROF
1020         register_command(cmd_ctx, NULL, "ecosboard_profile", eCosBoard_handle_eCosBoard_profile_command,
1021                         COMMAND_ANY, NULL);
1022 #endif
1023
1024         register_command(cmd_ctx, NULL, "uart", handle_uart_command, COMMAND_ANY,
1025                         "uart <baud>  - forward uart on port 5555");
1026
1027         int errVal;
1028         errVal = log_init(cmd_ctx);
1029         if (errVal != ERROR_OK)
1030         {
1031                 diag_printf("log_init() failed %d\n", errVal);
1032                 exit(-1);
1033         }
1034
1035         set_log_output(cmd_ctx, log);
1036
1037         LOG_DEBUG("log init complete");
1038
1039         //      diag_printf("Executing config files\n");
1040
1041         if (logAllToSerial)
1042         {
1043                 diag_printf(
1044                                  "%s/logserial=1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1045                 command_run_line(cmd_ctx, "debug_level 3");
1046         }
1047
1048         command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1049
1050         // FIX!!!  Yuk!
1051         // diag_printf() is really invoked from many more places than we trust it
1052         // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1053         //
1054         // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1055         // fingers that it doesn't cause any crashes.
1056         diag_printf("Init complete, GDB & telnet servers launched.\n");
1057         command_set_output_handler(cmd_ctx,
1058                         zy1000_configuration_output_handler_log, NULL);
1059         if (!logAllToSerial)
1060         {
1061                 serialLog = false;
1062         }
1063
1064         /* handle network connections */
1065         server_loop(cmd_ctx);
1066         openocd_sleep_prelude();
1067
1068         /* shut server down */
1069         server_quit();
1070
1071         /* free commandline interface */
1072         command_done(cmd_ctx);
1073         umount("/config");
1074
1075         exit(0);
1076         for (;;)
1077                 ;
1078 }
1079
1080 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1081 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1082 {
1083         cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1084         return 0;
1085 }
1086
1087 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1088
1089 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1090 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1091
1092 #include <pkgconf/system.h>
1093 #include <pkgconf/hal.h>
1094 #include <pkgconf/kernel.h>
1095 #include <pkgconf/io_fileio.h>
1096 #include <pkgconf/fs_rom.h>
1097
1098 #include <cyg/kernel/ktypes.h>         // base kernel types
1099 #include <cyg/infra/cyg_trac.h>        // tracing macros
1100 #include <cyg/infra/cyg_ass.h>         // assertion macros
1101 #include <cyg/fileio/fileio.h>
1102 #include <cyg/kernel/kapi.h>
1103 #include <cyg/infra/diag.h>
1104
1105 //==========================================================================
1106 // Eventually we want to eXecute In Place from the ROM in a protected
1107 // environment, so we'll need executables to be aligned to a boundary
1108 // suitable for MMU protection. A suitable boundary would be the 4k
1109 // boundary in all the CPU architectures I am currently aware of.
1110
1111 // Forward definitions
1112
1113 // Filesystem operations
1114 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1115 static int tftpfs_umount(cyg_mtab_entry *mte);
1116 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1117                 int mode, cyg_file *fte);
1118 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1119 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1120
1121 // File operations
1122 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1123 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1124 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1125
1126 //==========================================================================
1127 // Filesystem table entries
1128
1129 // -------------------------------------------------------------------------
1130 // Fstab entry.
1131 // This defines the entry in the filesystem table.
1132 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1133 // we should never block in any filesystem operations.
1134 #if 1
1135 FSTAB_ENTRY( tftpfs_fste, "tftpfs", 0,
1136                 CYG_SYNCMODE_NONE,
1137                 tftpfs_mount,
1138                 tftpfs_umount,
1139                 tftpfs_open,
1140                 (cyg_fsop_unlink *)cyg_fileio_erofs,
1141                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1142                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1143                 (cyg_fsop_rename *)cyg_fileio_erofs,
1144                 (cyg_fsop_link *)cyg_fileio_erofs,
1145                 (cyg_fsop_opendir *)cyg_fileio_erofs,
1146                 (cyg_fsop_chdir *)cyg_fileio_erofs,
1147                 (cyg_fsop_stat *)cyg_fileio_erofs,
1148                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1149                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1150 #endif
1151
1152 // -------------------------------------------------------------------------
1153 // mtab entry.
1154 // This defines a single ROMFS loaded into ROM at the configured address
1155 //
1156 // MTAB_ENTRY(  rom_mte,        // structure name
1157 //              "/rom",         // mount point
1158 //              "romfs",        // FIlesystem type
1159 //              "",             // hardware device
1160 //  (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS   // Address in ROM
1161 //           );
1162
1163
1164 // -------------------------------------------------------------------------
1165 // File operations.
1166 // This set of file operations are used for normal open files.
1167
1168 static cyg_fileops tftpfs_fileops =
1169 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1170                 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1171                 tftpfs_fo_fsync, tftpfs_fo_close,
1172                 (cyg_fileop_fstat *) cyg_fileio_erofs,
1173                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1174                 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1175
1176 // -------------------------------------------------------------------------
1177 // tftpfs_mount()
1178 // Process a mount request. This mainly finds root for the
1179 // filesystem.
1180
1181 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1182 {
1183         return ENOERR;
1184 }
1185
1186 static int tftpfs_umount(cyg_mtab_entry *mte)
1187 {
1188         return ENOERR;
1189 }
1190
1191 struct Tftp
1192 {
1193         int write;
1194         int readFile;
1195         cyg_uint8 *mem;
1196         int actual;
1197         char *server;
1198         char *file;
1199 };
1200
1201 static void freeTftp(struct Tftp *t)
1202 {
1203         if (t == NULL)
1204                 return;
1205         if (t->mem)
1206                 free(t->mem);
1207         if (t->server)
1208                 free(t->server);
1209         if (t->file)
1210                 free(t->file);
1211         free(t);
1212 }
1213
1214 static const int tftpMaxSize = 8192 * 1024;
1215 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1216                 int mode, cyg_file *file)
1217 {
1218         struct Tftp *tftp;
1219         tftp = malloc(sizeof(struct Tftp));
1220         if (tftp == NULL)
1221                 return EMFILE;
1222         memset(tftp, 0, sizeof(struct Tftp));
1223
1224         file->f_flag |= mode & CYG_FILE_MODE_MASK;
1225         file->f_type = CYG_FILE_TYPE_FILE;
1226         file->f_ops = &tftpfs_fileops;
1227         file->f_offset = 0;
1228         file->f_data = 0;
1229         file->f_xops = 0;
1230
1231         tftp->mem = malloc(tftpMaxSize);
1232         if (tftp->mem == NULL)
1233         {
1234                 freeTftp(tftp);
1235                 return EMFILE;
1236         }
1237
1238         char *server = strchr(name, '/');
1239         if (server == NULL)
1240         {
1241                 freeTftp(tftp);
1242                 return EMFILE;
1243         }
1244
1245         tftp->server = malloc(server - name + 1);
1246         if (tftp->server == NULL)
1247         {
1248                 freeTftp(tftp);
1249                 return EMFILE;
1250         }
1251         strncpy(tftp->server, name, server - name);
1252         tftp->server[server - name] = 0;
1253
1254         tftp->file = strdup(server + 1);
1255         if (tftp->file == NULL)
1256         {
1257                 freeTftp(tftp);
1258                 return EMFILE;
1259         }
1260
1261         file->f_data = (CYG_ADDRWORD) tftp;
1262
1263         return ENOERR;
1264 }
1265
1266 static int fetchTftp(struct Tftp *tftp)
1267 {
1268         if (!tftp->readFile)
1269         {
1270                 int err;
1271                 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1272                                 tftpMaxSize, TFTP_OCTET, &err);
1273
1274                 if (tftp->actual < 0)
1275                 {
1276                         return EMFILE;
1277                 }
1278                 tftp->readFile = 1;
1279         }
1280         return ENOERR;
1281 }
1282
1283 // -------------------------------------------------------------------------
1284 // tftpfs_fo_write()
1285 // Read data from file.
1286
1287 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1288 {
1289         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1290
1291         if (fetchTftp(tftp) != ENOERR)
1292                 return EMFILE;
1293
1294         int i;
1295         off_t pos = fp->f_offset;
1296         int resid = 0;
1297         for (i = 0; i < uio->uio_iovcnt; i++)
1298         {
1299                 cyg_iovec *iov = &uio->uio_iov[i];
1300                 char *buf = (char *) iov->iov_base;
1301                 off_t len = iov->iov_len;
1302
1303                 if (len + pos > tftp->actual)
1304                 {
1305                         len = tftp->actual - pos;
1306                 }
1307                 resid += iov->iov_len - len;
1308
1309                 memcpy(buf, tftp->mem + pos, len);
1310                 pos += len;
1311
1312         }
1313         uio->uio_resid = resid;
1314         fp->f_offset = pos;
1315
1316         return ENOERR;
1317 }
1318
1319 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1320 {
1321         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1322
1323         int i;
1324         off_t pos = fp->f_offset;
1325         int resid = 0;
1326         for (i = 0; i < uio->uio_iovcnt; i++)
1327         {
1328                 cyg_iovec *iov = &uio->uio_iov[i];
1329                 char *buf = (char *) iov->iov_base;
1330                 off_t len = iov->iov_len;
1331
1332                 if (len + pos > tftpMaxSize)
1333                 {
1334                         len = tftpMaxSize - pos;
1335                 }
1336                 resid += iov->iov_len - len;
1337
1338                 memcpy(tftp->mem + pos, buf, len);
1339                 pos += len;
1340
1341         }
1342         uio->uio_resid = resid;
1343         fp->f_offset = pos;
1344
1345         tftp->write = 1;
1346
1347         return ENOERR;
1348 }
1349
1350 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1351 {
1352         int error = ENOERR;
1353         return error;
1354 }
1355
1356 // -------------------------------------------------------------------------
1357 // romfs_fo_close()
1358 // Close a file. We just clear out the data pointer.
1359
1360 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1361 {
1362         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1363         int error = ENOERR;
1364
1365         if (tftp->write)
1366         {
1367                 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1368                                 TFTP_OCTET, &error);
1369         }
1370
1371         freeTftp(tftp);
1372         fp->f_data = 0;
1373         return error;
1374 }
1375
1376 // -------------------------------------------------------------------------
1377 // romfs_fo_lseek()
1378 // Seek to a new file position.
1379
1380 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1381 {
1382         struct Tftp *tftp = (struct Tftp *) fp->f_data;
1383         off_t pos = *apos;
1384
1385         if (fetchTftp(tftp) != ENOERR)
1386                 return EMFILE;
1387
1388         switch (whence)
1389         {
1390         case SEEK_SET:
1391                 // Pos is already where we want to be.
1392                 break;
1393
1394         case SEEK_CUR:
1395                 // Add pos to current offset.
1396                 pos += fp->f_offset;
1397                 break;
1398
1399         case SEEK_END:
1400                 // Add pos to file size.
1401                 pos += tftp->actual;
1402                 break;
1403
1404         default:
1405                 return EINVAL;
1406         }
1407
1408         // Check that pos is still within current file size, or at the
1409         // very end.
1410         if (pos < 0 || pos > tftp->actual)
1411                 return EINVAL;
1412
1413         // All OK, set fp offset and return new position.
1414         *apos = fp->f_offset = pos;
1415
1416         return ENOERR;
1417 }
1418
1419 void usleep(int us)
1420 {
1421         if (us > 10000)
1422                 cyg_thread_delay(us / 10000 + 1);
1423         else
1424                 HAL_DELAY_US(us);
1425 }
1426
1427 // Chunked version.
1428 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1429 {
1430         cyg_httpd_start_chunked("text");
1431         if (logCount >= logSize)
1432         {
1433                 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1434                                 - logCount % logSize);
1435         }
1436         cyg_httpd_write_chunked(logBuffer, writePtr);
1437         cyg_httpd_end_chunked();
1438         return -1;
1439 }
1440
1441 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1442
1443 // Filesystem operations
1444 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1445 static int logfs_umount(cyg_mtab_entry *mte);
1446 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1447                 int mode, cyg_file *fte);
1448 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1449
1450 // File operations
1451 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1452 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1453
1454 #include <cyg/io/devtab.h>
1455
1456 //==========================================================================
1457 // Filesystem table entries
1458
1459 // -------------------------------------------------------------------------
1460 // Fstab entry.
1461 // This defines the entry in the filesystem table.
1462 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1463 // we should never block in any filesystem operations.
1464 FSTAB_ENTRY( logfs_fste, "logfs", 0,
1465                 CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM,
1466                 logfs_mount,
1467                 logfs_umount,
1468                 logfs_open,
1469                 (cyg_fsop_unlink *)cyg_fileio_erofs,
1470                 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1471                 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1472                 (cyg_fsop_rename *)cyg_fileio_erofs,
1473                 (cyg_fsop_link *)cyg_fileio_erofs,
1474                 (cyg_fsop_opendir *)cyg_fileio_erofs,
1475                 (cyg_fsop_chdir *)cyg_fileio_erofs,
1476                 (cyg_fsop_stat *)cyg_fileio_erofs,
1477                 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1478                 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1479
1480 // -------------------------------------------------------------------------
1481 // File operations.
1482 // This set of file operations are used for normal open files.
1483
1484 static cyg_fileops logfs_fileops =
1485 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1486                 (cyg_fileop_lseek *) cyg_fileio_erofs,
1487                 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1488                 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1489                 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1490                 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1491
1492 // -------------------------------------------------------------------------
1493 // logfs_mount()
1494 // Process a mount request. This mainly finds root for the
1495 // filesystem.
1496
1497 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1498 {
1499         return ENOERR;
1500 }
1501
1502 static int logfs_umount(cyg_mtab_entry *mte)
1503 {
1504         return ENOERR;
1505 }
1506
1507 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1508                 int mode, cyg_file *file)
1509 {
1510         file->f_flag |= mode & CYG_FILE_MODE_MASK;
1511         file->f_type = CYG_FILE_TYPE_FILE;
1512         file->f_ops = &logfs_fileops;
1513         file->f_offset = 0;
1514         file->f_data = 0;
1515         file->f_xops = 0;
1516         return ENOERR;
1517 }
1518
1519 // -------------------------------------------------------------------------
1520 // logfs_fo_write()
1521 // Write data to file.
1522
1523 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1524 {
1525         int i;
1526         for (i = 0; i < uio->uio_iovcnt; i++)
1527         {
1528                 cyg_iovec *iov = &uio->uio_iov[i];
1529                 char *buf = (char *) iov->iov_base;
1530                 off_t len = iov->iov_len;
1531
1532                 diag_write(buf, len);
1533         }
1534         uio->uio_resid = 0;
1535
1536         return ENOERR;
1537 }
1538 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1539 {
1540         return ENOERR;
1541 }
1542
1543 // -------------------------------------------------------------------------
1544 // romfs_fo_close()
1545 // Close a file. We just clear out the data pointer.
1546
1547 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1548 {
1549         return ENOERR;
1550 }
1551