target/dsp563xx: review unused symbols
[openocd/cortex.git] / src / ecosboard.c
blob1e3152e76f06ba89598700e8df59d25252cf0bba
1 /***************************************************************************
2 * Copyright (C) 2007-2009 by Øyvind 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 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
24 #include <helper/types.h>
25 #include <jtag/jtag.h>
26 #include <helper/ioutil.h>
27 #include <helper/configuration.h>
29 #include <server/server.h>
30 #include <server/telnet_server.h>
31 #include <server/gdb_server.h>
32 #include <openocd.h>
34 #include <helper/time_support.h>
36 #include <sys/time.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <unistd.h>
41 #include <errno.h>
43 #include <cyg/io/flash.h>
44 #include <pkgconf/fs_jffs2.h> // Address of JFFS2
45 #include <network.h>
47 #include <fcntl.h>
48 #include <sys/stat.h>
49 #include <cyg/fileio/fileio.h>
50 #include <dirent.h>
51 #include <cyg/athttpd/http.h>
52 #include <cyg/athttpd/socket.h>
53 #include <cyg/athttpd/handler.h>
54 #include <cyg/athttpd/cgi.h>
55 #include <cyg/athttpd/forms.h>
56 #include <cyg/discover/discover.h>
57 #include <cyg/io/io.h>
58 #include <cyg/io/serialio.h>
59 #include <netinet/tcp.h>
60 #include <cyg/hal/hal_diag.h>
62 #include "rom.h"
64 #ifdef CYGPKG_HAL_NIOS2
65 #include <cyg/hal/io.h>
66 #define ZY1000_SER_DEV "/dev/uart_0"
67 #else
68 #define ZY1000_SER_DEV "/dev/ser0"
70 #endif
73 #define MAX_IFS 64
74 #if defined(CYGPKG_NET_FREEBSD_STACK)
75 #include <tftp_support.h>
76 /* posix compatibility broken*/
77 struct tftpd_fileops fileops =
79 (int (*)(const char *, int))open,
80 close,
81 (int (*)(int, const void *, int))write,
82 (int (*)(int, void *, int))read
85 #endif
88 void diag_write(char *buf, int len)
90 int j;
91 for (j = 0; j < len; j++)
93 diag_printf("%c", buf[j]);
97 static bool serialLog = true;
98 static bool writeLog = true;
100 char hwaddr[512];
102 #ifdef CYGPKG_PROFILE_GPROF
103 #include <cyg/profile/profile.h>
105 extern char _stext, _etext; // Defined by the linker
107 static char *start_of_code=&_stext;
108 static char *end_of_code=&_etext;
110 void start_profile(void)
112 // This starts up the system-wide profiling, gathering
113 // profile information on all of the code, with a 16 byte
114 // "bucket" size, at a rate of 100us/profile hit.
115 // Note: a bucket size of 16 will give pretty good function
116 // resolution. Much smaller and the buffer becomes
117 // much too large for very little gain.
118 // Note: a timer period of 100us is also a reasonable
119 // compromise. Any smaller and the overhead of
120 // handling the timter (profile) interrupt could
121 // swamp the system. A fast processor might get
122 // by with a smaller value, but a slow one could
123 // even be swamped by this value. If the value is
124 // too large, the usefulness of the profile is reduced.
126 // no more interrupts than 1/10ms.
127 //profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
128 // profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
129 profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
131 #endif
133 static FILE *log;
135 static char reboot_stack[2048];
137 static void zylinjtag_reboot(cyg_addrword_t data)
139 serialLog = true;
140 diag_printf("Rebooting in 500 ticks..\n");
141 cyg_thread_delay(500);
142 diag_printf("Unmounting /config..\n");
143 umount("/config");
144 diag_printf("Rebooting..\n");
145 #ifdef CYGPKG_HAL_NIOS2
146 /* This will reboot & reconfigure the FPGA from the bootloader
147 * and on.
149 IOWR(REMOTE_UPDATE_BASE, 0x20, 0x1);
150 #else
151 HAL_PLATFORM_RESET();
152 #endif
154 static cyg_thread zylinjtag_thread_object;
155 static cyg_handle_t zylinjtag_thread_handle;
157 void reboot(void)
159 cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
160 (void *) reboot_stack, sizeof(reboot_stack),
161 &zylinjtag_thread_handle, &zylinjtag_thread_object);
162 cyg_thread_resume(zylinjtag_thread_handle);
165 static char zylinjtag_reboot_port_stack[2048];
166 static cyg_thread zylinjtag_reboot_port_thread_object;
167 static cyg_handle_t zylinjtag_reboot_port_thread_handle;
169 static void zylinjtag_reboot_port_task(cyg_addrword_t data)
171 int so_reuseaddr_option = 1;
173 int fd;
174 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
176 LOG_ERROR("error creating socket: %s", strerror(errno));
177 exit(-1);
180 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
181 sizeof(int));
183 struct sockaddr_in sin;
184 unsigned int address_size;
185 address_size = sizeof(sin);
186 memset(&sin, 0, sizeof(sin));
187 sin.sin_family = AF_INET;
188 sin.sin_addr.s_addr = INADDR_ANY;
189 sin.sin_port = htons(1234);
191 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
193 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
194 exit(-1);
197 if (listen(fd, 1) == -1)
199 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
200 exit(-1);
202 // socket_nonblock(fd);
205 accept(fd, (struct sockaddr *) &sin, &address_size);
207 diag_printf("Got reboot signal on port 1234");
209 reboot();
213 void reboot_port(void)
215 cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
216 (void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
217 &zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
218 cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
221 int configuration_output_handler(struct command_context *context,
222 const char* line)
224 diag_printf("%s", line);
226 return ERROR_OK;
229 int zy1000_configuration_output_handler_log(struct command_context *context,
230 const char* line)
232 LOG_USER_N("%s", line);
234 return ERROR_OK;
237 #ifdef CYGPKG_PROFILE_GPROF
238 //extern int64_t totaltime;
240 static int zylinjtag_Jim_Command_profile(Jim_Interp *interp, int argc,
241 Jim_Obj * const *argv)
243 if ((argc == 2) && (strcmp(Jim_GetString(argv[1], NULL), "stats")==0))
245 // profile_off();
246 //LOG_USER("Stats %dms sleeping in select()", (int)totaltime);
247 } else
249 LOG_USER("Profiling started");
250 start_profile();
251 //totaltime = 0;
253 return ERROR_OK;
256 #endif
258 externC void phi_init_all_network_interfaces(void);
260 struct command_context *cmd_ctx;
262 static bool webRunning = false;
264 void keep_webserver(void)
266 // Target initialisation is only attempted at startup, so we sleep forever and
267 // let the http server bail us out(i.e. get config files set up).
268 diag_printf("OpenOCD has invoked exit().\n"
269 "Use web server to correct any configuration settings and reboot.\n");
270 if (!webRunning)
271 reboot();
273 // exit() will terminate the current thread and we we'll then sleep eternally or
274 // we'll have a reboot scheduled.
277 extern void printDccChar(char c);
279 static char logBuffer[128 * 1024];
280 static const int logSize = sizeof(logBuffer);
281 int writePtr = 0;
282 int logCount = 0;
284 void _zylinjtag_diag_write_char(char c, void **param)
286 if (writeLog)
288 logBuffer[writePtr] = c;
289 writePtr = (writePtr + 1) % logSize;
290 logCount++;
292 if (serialLog)
294 if (c == '\n')
296 HAL_DIAG_WRITE_CHAR('\r');
298 HAL_DIAG_WRITE_CHAR(c);
301 #ifdef CYGPKG_HAL_ZYLIN_PHI
302 printDccChar(c);
303 #endif
306 void copyfile(char *name2, char *name1);
308 void copydir(char *name, char *destdir);
310 #if 0
311 MTAB_ENTRY(romfs_mte1,
312 "/rom",
313 "romfs",
315 (CYG_ADDRWORD) &filedata[0]);
316 #endif
318 void openocd_sleep_prelude(void)
320 cyg_mutex_unlock(&httpstate.jim_lock);
323 void openocd_sleep_postlude(void)
325 cyg_mutex_lock(&httpstate.jim_lock);
328 void format(void)
330 #ifdef CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1
331 diag_printf("Formatting JFFS2...\n");
333 cyg_io_handle_t handle;
335 Cyg_ErrNo err;
336 err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
337 if (err != ENOERR)
339 diag_printf("Flash Error cyg_io_lookup: %d\n", err);
340 reboot();
343 cyg_uint32 len;
344 cyg_io_flash_getconfig_devsize_t ds;
345 len = sizeof(ds);
346 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
347 if (err != ENOERR)
349 diag_printf("Flash error cyg_io_get_config %d\n", err);
350 reboot();
353 cyg_io_flash_getconfig_erase_t e;
354 len = sizeof(e);
356 e.offset = 0;
357 e.len = ds.dev_size;
359 diag_printf("Formatting 0x%08x bytes\n", (int)ds.dev_size);
360 err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
361 if (err != ENOERR)
363 diag_printf("Flash erase error %d offset 0x%08x\n", err, e.err_address);
364 reboot();
367 diag_printf("Flash formatted successfully\n");
368 #endif
370 reboot();
373 static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
374 Jim_Obj * const *argv)
376 if (argc != 1)
378 return JIM_ERR;
381 format();
382 for (;;)
386 static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
387 Jim_Obj * const *argv)
389 cyg_handle_t thread = 0;
390 cyg_uint16 id = 0;
391 Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
393 /* Loop over the threads, and generate a table row for
394 * each.
396 while (cyg_thread_get_next(&thread, &id))
398 Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
400 cyg_thread_info info;
401 char *state_string;
403 cyg_thread_get_info(thread, id, &info);
405 if (info.name == NULL)
406 info.name = "<no name>";
408 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
409 info.name, strlen(info.name)));
411 /* Translate the state into a string.
413 if (info.state == 0)
414 state_string = "RUN";
415 else if (info.state & 0x04)
416 state_string = "SUSP";
417 else
418 switch (info.state & 0x1b)
420 case 0x01:
421 state_string = "SLEEP";
422 break;
423 case 0x02:
424 state_string = "CNTSLEEP";
425 break;
426 case 0x08:
427 state_string = "CREATE";
428 break;
429 case 0x10:
430 state_string = "EXIT";
431 break;
432 default:
433 state_string = "????";
434 break;
437 Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
438 state_string, strlen(state_string)));
440 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
441 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
442 info.set_pri));
443 Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
444 info.cur_pri));
446 Jim_ListAppendElement(interp, threads, threadObj);
448 Jim_SetResult(interp, threads);
450 return JIM_OK;
453 static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
454 Jim_Obj * const *argv)
456 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
458 if (logCount >= logSize)
460 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
461 % logSize, logSize - logCount % logSize);
463 Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
465 Jim_SetResult(interp, tclOutput);
466 return JIM_OK;
469 static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
470 Jim_Obj * const *argv)
472 reboot();
473 return JIM_OK;
476 static void zylinjtag_startNetwork(void)
478 // Bring TCP/IP up immediately before we're ready to accept commands.
480 // That is as soon as a PING responds, we're accepting telnet sessions.
481 #if defined(CYGPKG_NET_FREEBSD_STACK)
482 phi_init_all_network_interfaces();
483 #else
484 lwip_init();
485 #endif
486 if (!eth0_up)
488 diag_printf("Network not up and running\n");
489 exit(-1);
492 /* very first thing we want is a reboot capability */
493 reboot_port();
495 #if defined(CYGPKG_NET_FREEBSD_STACK)
496 /*start TFTP*/
497 tftpd_start(69, &fileops);
498 #endif
500 cyg_httpd_init_tcl_interpreter();
502 Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
503 NULL, NULL);
504 Jim_CreateCommand(httpstate.jim_interp, "zy1000_reboot",
505 zylinjtag_Jim_Command_reboot, NULL, NULL);
506 Jim_CreateCommand(httpstate.jim_interp, "threads",
507 zylinjtag_Jim_Command_threads, NULL, NULL);
508 Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
509 zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
511 cyg_httpd_start();
513 webRunning = true;
515 diag_printf("Web server running\n");
517 int s;
518 struct ifreq ifr;
519 s = socket(AF_INET, SOCK_DGRAM, 0);
520 if (s >= 0)
522 strcpy(ifr.ifr_name, "eth0");
523 int res;
524 res = ioctl(s, SIOCGIFHWADDR, &ifr);
525 close(s);
527 if (res < 0)
529 diag_printf("Can't obtain MAC address\n");
530 reboot();
534 sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
535 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
536 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
537 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
538 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
539 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
540 (int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
542 discover_message
543 = alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
545 discover_launch();
548 static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
549 cyg_addrword_t info)
551 writeLog = false;
552 serialLog = true;
553 char *infoStr = "unknown";
554 switch (exception)
556 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
557 case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
558 infoStr = "undefined instruction";
559 break;
560 case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
561 infoStr = "software interrupt";
562 break;
563 case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
564 infoStr = "abort prefetch";
565 break;
566 case CYGNUM_HAL_VECTOR_ABORT_DATA:
567 infoStr = "abort data";
568 break;
569 #endif
570 default:
571 break;
574 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
576 diag_printf("Dumping log\n---\n");
577 if (logCount >= logSize)
579 diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
581 diag_write(logBuffer, writePtr);
583 diag_printf("---\nLogdump complete.\n");
584 diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
585 diag_printf("\n---\nRebooting\n");
586 HAL_PLATFORM_RESET();
590 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
591 static void setHandler(cyg_code_t exception)
593 cyg_exception_handler_t *old_handler;
594 cyg_addrword_t old_data;
596 cyg_exception_set_handler(exception, print_exception_handler, 0,
597 &old_handler, &old_data);
599 #endif
601 static cyg_thread zylinjtag_uart_thread_object;
602 static cyg_handle_t zylinjtag_uart_thread_handle;
603 static char uart_stack[4096];
605 static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
606 static char backwardBuffer[1024];
608 void setNoDelay(int session, int flag)
610 #if 1
611 // This decreases latency dramatically for e.g. GDB load which
612 // does not have a sliding window protocol
614 // Can cause *lots* of TCP/IP packets to be sent and it would have
615 // to be enabled/disabled on the fly to avoid the CPU being
616 // overloaded...
617 setsockopt(session, /* socket affected */
618 IPPROTO_TCP, /* set option at TCP level */
619 TCP_NODELAY, /* name of option */
620 (char *) &flag, /* the cast is historical
621 cruft */
622 sizeof(int)); /* length of option value */
623 #endif
626 #define TEST_TCPIP() 0
628 #if TEST_TCPIP
629 struct
631 int req;
632 int actual;
633 int req2;
634 int actual2;
635 } tcpipSent[512 * 1024];
636 int cur;
637 #endif
639 static void zylinjtag_uart(cyg_addrword_t data)
641 int so_reuseaddr_option = 1;
643 int fd;
644 if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
646 LOG_ERROR("error creating socket: %s", strerror(errno));
647 exit(-1);
650 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
651 sizeof(int));
653 struct sockaddr_in sin;
654 unsigned int address_size;
655 address_size = sizeof(sin);
656 memset(&sin, 0, sizeof(sin));
657 sin.sin_family = AF_INET;
658 sin.sin_addr.s_addr = INADDR_ANY;
659 sin.sin_port = htons(5555);
661 if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
663 LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
664 exit(-1);
667 if (listen(fd, 1) == -1)
669 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
670 exit(-1);
672 // socket_nonblock(fd);
675 for (;;)
677 int session = accept(fd, (struct sockaddr *) &sin, &address_size);
678 if (session < 0)
680 continue;
683 setNoDelay(session, 1);
684 int oldopts = fcntl(session, F_GETFL, 0);
685 fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
687 int serHandle = open(ZY1000_SER_DEV, O_RDWR | O_NONBLOCK);
688 if (serHandle < 0)
690 close(session);
691 continue;
694 #ifdef CYGPKG_PROFILE_GPROF
695 start_profile();
696 #endif
697 size_t actual = 0;
698 size_t actual2 = 0;
699 size_t pos, pos2;
700 pos = 0;
701 pos2 = 0;
702 #if TEST_TCPIP
703 cur = 0;
704 #endif
705 for (;;)
707 fd_set write_fds;
708 fd_set read_fds;
709 FD_ZERO(&write_fds);
710 FD_ZERO(&read_fds);
711 int fd_max = -1;
712 FD_SET(session, &read_fds);
713 fd_max = session;
714 FD_SET(serHandle, &read_fds);
715 if (serHandle > fd_max)
717 fd_max = serHandle;
719 /* Wait... */
721 cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
722 if ((actual == 0) && (actual2 == 0))
724 int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
725 if (retval <= 0)
727 break;
731 if (actual2 <= 0)
733 memset(backwardBuffer, 's', sizeof(backwardBuffer));
734 int t;
735 t = read(serHandle, backwardBuffer,
736 sizeof(backwardBuffer));
737 actual2 = t;
738 if (t < 0)
740 if (errno != EAGAIN)
742 goto closeSession;
744 actual2 = 0;
746 pos2 = 0;
749 size_t y = 0;
750 if (actual2 > 0)
752 int written = write(session, backwardBuffer + pos2, actual2);
753 if (written <= 0)
754 goto closeSession;
755 actual2 -= written;
756 pos2 += written;
757 y = written;
760 if (FD_ISSET(session, &read_fds)
761 && (sizeof(forwardBuffer) > actual))
763 // NB! Here it is important that we empty the TCP/IP read buffer
764 // to make transmission tick right
765 memmove(forwardBuffer, forwardBuffer + pos, actual);
766 pos = 0;
767 int t;
768 // this will block if there is no data at all
769 t = read_socket(session, forwardBuffer + actual,
770 sizeof(forwardBuffer) - actual);
771 if (t <= 0)
773 goto closeSession;
775 actual += t;
778 int y2 = 0;
779 if (actual > 0)
781 /* Do not put things into the serial buffer if it has something to send
782 * as that can cause a single byte to be sent at the time.
786 int written = write(serHandle, forwardBuffer + pos, actual);
787 if (written < 0)
789 if (errno != EAGAIN)
791 goto closeSession;
793 // The serial buffer is full
794 written = 0;
796 else
798 actual -= written;
799 pos += written;
801 y2 = written;
803 #if TEST_TCPIP
804 if (cur < 1024)
806 tcpipSent[cur].req = x;
807 tcpipSent[cur].actual = y;
808 tcpipSent[cur].req2 = x2;
809 tcpipSent[cur].actual2 = y2;
810 cur++;
812 #endif
814 closeSession: close(session);
815 close(serHandle);
817 #if TEST_TCPIP
818 int i;
819 for (i = 0; i < 1024; i++)
821 diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
822 tcpipSent[i].req2, tcpipSent[i].actual2);
825 #endif
827 close(fd);
831 void startUart(void)
833 cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
834 (void *) uart_stack, sizeof(uart_stack),
835 &zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
836 cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
837 cyg_thread_resume(zylinjtag_uart_thread_handle);
840 static int zylinjtag_Jim_Command_uart(Jim_Interp *interp, int argc,
841 Jim_Obj * const *argv)
843 static int current_baud = 38400;
844 if (argc == 1)
846 Jim_SetResult(interp, Jim_NewIntObj(interp, current_baud));
847 return JIM_OK;
849 else if (argc != 2)
851 return JIM_ERR;
854 long new_baudrate;
855 if (Jim_GetLong(interp, argv[1], &new_baudrate) != JIM_OK)
856 return JIM_ERR;
858 current_baud = new_baudrate;
860 int baud;
861 switch (current_baud)
863 case 9600:
864 baud = CYGNUM_SERIAL_BAUD_9600;
865 break;
866 case 19200:
867 baud = CYGNUM_SERIAL_BAUD_19200;
868 break;
869 case 38400:
870 baud = CYGNUM_SERIAL_BAUD_38400;
871 break;
872 case 57600:
873 baud = CYGNUM_SERIAL_BAUD_57600;
874 break;
875 case 115200:
876 baud = CYGNUM_SERIAL_BAUD_115200;
877 break;
878 case 230400:
879 baud = CYGNUM_SERIAL_BAUD_230400;
880 break;
881 default:
882 Jim_SetResult(interp, Jim_NewStringObj(interp, "unsupported baudrate", -1));
883 return JIM_ERR;
886 cyg_serial_info_t buf;
887 cyg_uint32 len = 1;
888 //get existing serial configuration
889 len = sizeof(cyg_serial_info_t);
890 int err;
891 cyg_io_handle_t serial_handle;
893 err = cyg_io_lookup(ZY1000_SER_DEV, &serial_handle);
894 if (err != ENOERR)
896 Jim_SetResult(interp, Jim_NewStringObj(interp, "Could not open serial port", -1));
897 return JIM_ERR;
900 err = cyg_io_get_config(serial_handle,
901 CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
902 err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
903 &len);
904 if (err != ENOERR)
906 Jim_SetResult(interp, Jim_NewStringObj(interp, "Failed to get serial port settings", -1));
907 return JIM_ERR;
909 buf.baud = baud;
911 err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
912 &len);
913 if (err != ENOERR)
915 Jim_SetResult(interp, Jim_NewStringObj(interp, "Failed to set serial port settings", -1));
916 return JIM_ERR;
919 return JIM_OK;
922 bool logAllToSerial = false;
925 int boolParam(char *var);
928 static const char *zylin_config_dir="/config/settings";
930 static int add_default_dirs(void)
932 add_script_search_dir(zylin_config_dir);
933 add_script_search_dir("/rom/lib/openocd");
934 add_script_search_dir("/rom");
935 return ERROR_OK;
938 int main(int argc, char *argv[])
940 /* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
941 * need to allocate towards the end of the heap. */
943 #ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
944 setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
945 setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
946 setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
947 #endif
949 int err;
951 atexit(keep_webserver);
953 diag_init_putc(_zylinjtag_diag_write_char);
954 // We want this in the log.
955 #ifdef CYGPKG_HAL_NIOS2
956 diag_printf("Zylin ZY1000 PCB revc.\n");
957 #else
958 diag_printf("Zylin ZY1000 PCB revb.\n");
959 #endif
961 err = mount("", "/ram", "ramfs");
962 if (err < 0)
964 diag_printf("unable to mount ramfs\n");
966 chdir("/ram");
968 char address[16];
969 sprintf(address, "%p", &filedata[0]);
970 err = mount(address, "/rom", "romfs");
971 if (err < 0)
973 diag_printf("unable to mount /rom\n");
976 err = mount("", "/log", "logfs");
977 if (err < 0)
979 diag_printf("unable to mount logfs\n");
982 err = mount("", "/tftp", "tftpfs");
983 if (err < 0)
985 diag_printf("unable to mount logfs\n");
988 log = fopen("/log/log", "w");
989 if (log == NULL)
991 diag_printf("Could not open log file /ram/log\n");
992 exit(-1);
996 copydir("/rom", "/ram/cgi");
998 #ifdef CYGPKG_HAL_NIOS2
999 cyg_flashaddr_t err_address;
1000 #define UNCACHED_EXT_FLASH_BASE (0x80000000 + EXT_FLASH_BASE)
1001 /* The revc flash is locked upon reset, unlock it */
1002 #ifdef CYGHWR_IO_FLASH_BLOCK_LOCKING
1003 if ((err = flash_unlock((void *) UNCACHED_EXT_FLASH_BASE, EXT_FLASH_SPAN,
1004 (void **) &err_address)) != 0)
1006 diag_printf("Error: could not unlock flash\n");
1008 #endif
1009 #endif
1012 err = mount("/dev/flash1", "/config", "jffs2");
1013 if (err < 0)
1015 diag_printf("unable to mount jffs2, falling back to ram disk..\n");
1016 err = mount("", "/config", "ramfs");
1017 if (err < 0)
1019 diag_printf("unable to mount /config as ramdisk.\n");
1020 reboot();
1023 else
1025 /* are we using a ram disk instead of a flash disk? This is used
1026 * for ZY1000 live demo...
1028 * copy over flash disk to ram block device
1030 if (boolParam("ramdisk"))
1032 diag_printf("Unmounting /config from flash and using ram instead\n");
1033 err = umount("/config");
1034 if (err < 0)
1036 diag_printf("unable to unmount jffs\n");
1037 reboot();
1040 err = mount("/dev/flash1", "/config2", "jffs2");
1041 if (err < 0)
1043 diag_printf("unable to mount jffs\n");
1044 reboot();
1047 err = mount("", "/config", "ramfs");
1048 if (err < 0)
1050 diag_printf("unable to mount ram block device\n");
1051 reboot();
1054 // copydir("/config2", "/config");
1055 copyfile("/config2/ip", "/config/ip");
1056 copydir("/config2/settings", "/config/settings");
1058 umount("/config2");
1062 mkdir(zylin_config_dir, 0777);
1063 char *dirname = alloc_printf("%s/target", zylin_config_dir);
1064 mkdir(dirname, 0777);
1065 free(dirname);
1066 dirname = alloc_printf("%s/board", zylin_config_dir);
1067 mkdir(dirname, 0777);
1068 free(dirname);
1069 dirname = alloc_printf("%s/event", zylin_config_dir);
1070 mkdir(dirname, 0777);
1071 free(dirname);
1073 logAllToSerial = boolParam("logserial");
1075 // We need the network & web server in case there is something wrong with
1076 // the config files that invoke exit()
1077 zylinjtag_startNetwork();
1079 /* we're going to access the jim interpreter from here on... */
1080 openocd_sleep_postlude();
1081 startUart();
1083 add_default_dirs();
1085 /* initialize commandline interface */
1086 struct command_context * cmd_ctx;
1087 struct command_context *setup_command_handler(Jim_Interp *interp);
1088 cmd_ctx = setup_command_handler(httpstate.jim_interp);
1089 command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
1090 command_context_mode(cmd_ctx, COMMAND_CONFIG);
1092 if (ioutil_init(cmd_ctx) != ERROR_OK)
1093 return EXIT_FAILURE;
1095 #ifdef CYGPKG_PROFILE_GPROF
1096 Jim_CreateCommand(httpstate.jim_interp, "zy1000_profile", zylinjtag_Jim_Command_profile,
1097 NULL, NULL);
1098 #endif
1100 Jim_CreateCommand(httpstate.jim_interp, "zy1000_uart", zylinjtag_Jim_Command_uart, NULL, NULL);
1103 log_init();
1105 set_log_output(cmd_ctx, log);
1107 LOG_DEBUG("log init complete");
1109 // diag_printf("Executing config files\n");
1111 if (logAllToSerial)
1113 diag_printf(
1114 "%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
1115 command_run_line(cmd_ctx, "debug_level 3");
1118 command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
1120 int ret;
1121 ret = server_init(cmd_ctx);
1122 if (ERROR_OK != ret)
1123 return EXIT_FAILURE;
1125 /* we MUST always run the init command as it will launch telnet sessions */
1126 command_run_line(cmd_ctx, "init");
1128 // FIX!!! Yuk!
1129 // diag_printf() is really invoked from many more places than we trust it
1130 // not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
1132 // Disabling it here is safe and gives us enough logged debug output for now. Crossing
1133 // fingers that it doesn't cause any crashes.
1134 diag_printf("Init complete, GDB & telnet servers launched.\n");
1135 command_set_output_handler(cmd_ctx,
1136 zy1000_configuration_output_handler_log, NULL);
1137 if (!logAllToSerial)
1139 serialLog = false;
1142 /* handle network connections */
1143 server_loop(cmd_ctx);
1144 openocd_sleep_prelude();
1146 /* shut server down */
1147 server_quit();
1149 /* free commandline interface */
1150 command_done(cmd_ctx);
1151 umount("/config");
1153 exit(0);
1154 for (;;)
1158 cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
1159 cyg_int32 homeForm(CYG_HTTPD_STATE *p)
1161 cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
1162 return 0;
1165 CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
1167 CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
1168 CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
1170 #include <pkgconf/system.h>
1171 #include <pkgconf/hal.h>
1172 #include <pkgconf/kernel.h>
1173 #include <pkgconf/io_fileio.h>
1174 #include <pkgconf/fs_rom.h>
1176 #include <cyg/kernel/ktypes.h> // base kernel types
1177 #include <cyg/infra/cyg_trac.h> // tracing macros
1178 #include <cyg/infra/cyg_ass.h> // assertion macros
1179 #include <cyg/fileio/fileio.h>
1180 #include <cyg/kernel/kapi.h>
1181 #include <cyg/infra/diag.h>
1183 //==========================================================================
1184 // Eventually we want to eXecute In Place from the ROM in a protected
1185 // environment, so we'll need executables to be aligned to a boundary
1186 // suitable for MMU protection. A suitable boundary would be the 4k
1187 // boundary in all the CPU architectures I am currently aware of.
1189 // Forward definitions
1191 // Filesystem operations
1192 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1193 static int tftpfs_umount(cyg_mtab_entry *mte);
1194 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1195 int mode, cyg_file *fte);
1196 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1197 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1199 // File operations
1200 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1201 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
1202 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
1204 //==========================================================================
1205 // Filesystem table entries
1207 // -------------------------------------------------------------------------
1208 // Fstab entry.
1209 // This defines the entry in the filesystem table.
1210 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1211 // we should never block in any filesystem operations.
1212 #if 1
1213 FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
1214 CYG_SYNCMODE_NONE,
1215 tftpfs_mount,
1216 tftpfs_umount,
1217 tftpfs_open,
1218 (cyg_fsop_unlink *)cyg_fileio_erofs,
1219 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1220 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1221 (cyg_fsop_rename *)cyg_fileio_erofs,
1222 (cyg_fsop_link *)cyg_fileio_erofs,
1223 (cyg_fsop_opendir *)cyg_fileio_erofs,
1224 (cyg_fsop_chdir *)cyg_fileio_erofs,
1225 (cyg_fsop_stat *)cyg_fileio_erofs,
1226 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1227 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1228 #endif
1230 // -------------------------------------------------------------------------
1231 // mtab entry.
1232 // This defines a single ROMFS loaded into ROM at the configured address
1234 // MTAB_ENTRY(rom_mte, // structure name
1235 // "/rom", // mount point
1236 // "romfs", // FIlesystem type
1237 // "", // hardware device
1238 // (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
1239 //);
1242 // -------------------------------------------------------------------------
1243 // File operations.
1244 // This set of file operations are used for normal open files.
1246 static cyg_fileops tftpfs_fileops =
1247 { tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
1248 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1249 tftpfs_fo_fsync, tftpfs_fo_close,
1250 (cyg_fileop_fstat *) cyg_fileio_erofs,
1251 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1252 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1254 // -------------------------------------------------------------------------
1255 // tftpfs_mount()
1256 // Process a mount request. This mainly finds root for the
1257 // filesystem.
1259 static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1261 return ENOERR;
1264 static int tftpfs_umount(cyg_mtab_entry *mte)
1266 return ENOERR;
1269 struct Tftp
1271 int write;
1272 int readFile;
1273 cyg_uint8 *mem;
1274 int actual;
1275 char *server;
1276 char *file;
1279 static void freeTftp(struct Tftp *t)
1281 if (t == NULL)
1282 return;
1283 if (t->mem)
1284 free(t->mem);
1285 if (t->server)
1286 free(t->server);
1287 if (t->file)
1288 free(t->file);
1289 free(t);
1292 static const int tftpMaxSize = 8192 * 1024;
1293 static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1294 int mode, cyg_file *file)
1296 struct Tftp *tftp;
1297 tftp = malloc(sizeof(struct Tftp));
1298 if (tftp == NULL)
1299 return EMFILE;
1300 memset(tftp, 0, sizeof(struct Tftp));
1302 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1303 file->f_type = CYG_FILE_TYPE_FILE;
1304 file->f_ops = &tftpfs_fileops;
1305 file->f_offset = 0;
1306 file->f_data = 0;
1307 file->f_xops = 0;
1309 tftp->mem = malloc(tftpMaxSize);
1310 if (tftp->mem == NULL)
1312 freeTftp(tftp);
1313 return EMFILE;
1316 char *server = strchr(name, '/');
1317 if (server == NULL)
1319 freeTftp(tftp);
1320 return EMFILE;
1323 tftp->server = malloc(server - name + 1);
1324 if (tftp->server == NULL)
1326 freeTftp(tftp);
1327 return EMFILE;
1329 strncpy(tftp->server, name, server - name);
1330 tftp->server[server - name] = 0;
1332 tftp->file = strdup(server + 1);
1333 if (tftp->file == NULL)
1335 freeTftp(tftp);
1336 return EMFILE;
1339 file->f_data = (CYG_ADDRWORD) tftp;
1341 return ENOERR;
1344 static int fetchTftp(struct Tftp *tftp)
1346 if (!tftp->readFile)
1348 int err;
1349 tftp->actual = tftp_client_get(tftp->file, tftp->server, 0, tftp->mem,
1350 tftpMaxSize, TFTP_OCTET, &err);
1352 if (tftp->actual < 0)
1354 return EMFILE;
1356 tftp->readFile = 1;
1358 return ENOERR;
1361 // -------------------------------------------------------------------------
1362 // tftpfs_fo_write()
1363 // Read data from file.
1365 static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1367 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1369 if (fetchTftp(tftp) != ENOERR)
1370 return EMFILE;
1372 int i;
1373 off_t pos = fp->f_offset;
1374 int resid = 0;
1375 for (i = 0; i < uio->uio_iovcnt; i++)
1377 cyg_iovec *iov = &uio->uio_iov[i];
1378 char *buf = (char *) iov->iov_base;
1379 off_t len = iov->iov_len;
1381 if (len + pos > tftp->actual)
1383 len = tftp->actual - pos;
1385 resid += iov->iov_len - len;
1387 memcpy(buf, tftp->mem + pos, len);
1388 pos += len;
1391 uio->uio_resid = resid;
1392 fp->f_offset = pos;
1394 return ENOERR;
1397 static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1399 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1401 int i;
1402 off_t pos = fp->f_offset;
1403 int resid = 0;
1404 for (i = 0; i < uio->uio_iovcnt; i++)
1406 cyg_iovec *iov = &uio->uio_iov[i];
1407 char *buf = (char *) iov->iov_base;
1408 off_t len = iov->iov_len;
1410 if (len + pos > tftpMaxSize)
1412 len = tftpMaxSize - pos;
1414 resid += iov->iov_len - len;
1416 memcpy(tftp->mem + pos, buf, len);
1417 pos += len;
1420 uio->uio_resid = resid;
1421 fp->f_offset = pos;
1423 tftp->write = 1;
1425 return ENOERR;
1428 static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1430 int error = ENOERR;
1431 return error;
1434 // -------------------------------------------------------------------------
1435 // romfs_fo_close()
1436 // Close a file. We just clear out the data pointer.
1438 static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
1440 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1441 int error = ENOERR;
1443 if (tftp->write)
1445 tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
1446 TFTP_OCTET, &error);
1449 freeTftp(tftp);
1450 fp->f_data = 0;
1451 return error;
1454 // -------------------------------------------------------------------------
1455 // romfs_fo_lseek()
1456 // Seek to a new file position.
1458 static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
1460 struct Tftp *tftp = (struct Tftp *) fp->f_data;
1461 off_t pos = *apos;
1463 if (fetchTftp(tftp) != ENOERR)
1464 return EMFILE;
1466 switch (whence)
1468 case SEEK_SET:
1469 // Pos is already where we want to be.
1470 break;
1472 case SEEK_CUR:
1473 // Add pos to current offset.
1474 pos += fp->f_offset;
1475 break;
1477 case SEEK_END:
1478 // Add pos to file size.
1479 pos += tftp->actual;
1480 break;
1482 default:
1483 return EINVAL;
1486 // Check that pos is still within current file size, or at the
1487 // very end.
1488 if (pos < 0 || pos > tftp->actual)
1489 return EINVAL;
1491 // All OK, set fp offset and return new position.
1492 *apos = fp->f_offset = pos;
1494 return ENOERR;
1497 void usleep(int us)
1499 if (us > 10000)
1500 cyg_thread_delay(us / 10000 + 1);
1501 else
1502 HAL_DELAY_US(us);
1505 // Chunked version.
1506 cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
1508 cyg_httpd_start_chunked("text");
1509 if (logCount >= logSize)
1511 cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
1512 - logCount % logSize);
1514 cyg_httpd_write_chunked(logBuffer, writePtr);
1515 cyg_httpd_end_chunked();
1516 return -1;
1519 CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
1521 // Filesystem operations
1522 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
1523 static int logfs_umount(cyg_mtab_entry *mte);
1524 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1525 int mode, cyg_file *fte);
1526 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
1528 // File operations
1529 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
1530 static int logfs_fo_close(struct CYG_FILE_TAG *fp);
1532 #include <cyg/io/devtab.h>
1534 //==========================================================================
1535 // Filesystem table entries
1537 // -------------------------------------------------------------------------
1538 // Fstab entry.
1539 // This defines the entry in the filesystem table.
1540 // For simplicity we use _FILESYSTEM synchronization for all accesses since
1541 // we should never block in any filesystem operations.
1542 FSTAB_ENTRY(logfs_fste, "logfs", 0,
1543 CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
1544 logfs_mount,
1545 logfs_umount,
1546 logfs_open,
1547 (cyg_fsop_unlink *)cyg_fileio_erofs,
1548 (cyg_fsop_mkdir *)cyg_fileio_erofs,
1549 (cyg_fsop_rmdir *)cyg_fileio_erofs,
1550 (cyg_fsop_rename *)cyg_fileio_erofs,
1551 (cyg_fsop_link *)cyg_fileio_erofs,
1552 (cyg_fsop_opendir *)cyg_fileio_erofs,
1553 (cyg_fsop_chdir *)cyg_fileio_erofs,
1554 (cyg_fsop_stat *)cyg_fileio_erofs,
1555 (cyg_fsop_getinfo *)cyg_fileio_erofs,
1556 (cyg_fsop_setinfo *)cyg_fileio_erofs);
1558 // -------------------------------------------------------------------------
1559 // File operations.
1560 // This set of file operations are used for normal open files.
1562 static cyg_fileops logfs_fileops =
1563 { (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
1564 (cyg_fileop_lseek *) cyg_fileio_erofs,
1565 (cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
1566 logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
1567 (cyg_fileop_getinfo *) cyg_fileio_erofs,
1568 (cyg_fileop_setinfo *) cyg_fileio_erofs, };
1570 // -------------------------------------------------------------------------
1571 // logfs_mount()
1572 // Process a mount request. This mainly finds root for the
1573 // filesystem.
1575 static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
1577 return ENOERR;
1580 static int logfs_umount(cyg_mtab_entry *mte)
1582 return ENOERR;
1585 static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
1586 int mode, cyg_file *file)
1588 file->f_flag |= mode & CYG_FILE_MODE_MASK;
1589 file->f_type = CYG_FILE_TYPE_FILE;
1590 file->f_ops = &logfs_fileops;
1591 file->f_offset = 0;
1592 file->f_data = 0;
1593 file->f_xops = 0;
1594 return ENOERR;
1597 // -------------------------------------------------------------------------
1598 // logfs_fo_write()
1599 // Write data to file.
1601 static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
1603 int i;
1604 for (i = 0; i < uio->uio_iovcnt; i++)
1606 cyg_iovec *iov = &uio->uio_iov[i];
1607 char *buf = (char *) iov->iov_base;
1608 off_t len = iov->iov_len;
1610 diag_write(buf, len);
1612 uio->uio_resid = 0;
1614 return ENOERR;
1616 static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
1618 return ENOERR;
1621 // -------------------------------------------------------------------------
1622 // romfs_fo_close()
1623 // Close a file. We just clear out the data pointer.
1625 static int logfs_fo_close(struct CYG_FILE_TAG *fp)
1627 return ENOERR;
1630 int loadFile(const char *fileName, void **data, int *len);
1632 /* boolean parameter stored on config */
1633 int boolParam(char *var)
1635 bool result = false;
1636 char *name = alloc_printf("%s/%s", zylin_config_dir, var);
1637 if (name == NULL)
1638 return result;
1640 void *data;
1641 int len;
1642 if (loadFile(name, &data, &len) == ERROR_OK)
1644 if (len > 1)
1645 len = 1;
1646 result = strncmp((char *) data, "1", len) == 0;
1647 free(data);
1649 free(name);
1650 return result;