3 * Hidetoshi Shimokawa. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
16 * This product includes software developed by Hidetoshi Shimokawa.
18 * 4. Neither the name of the author nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $Id: dconschat.c,v 1.76 2003/10/23 06:21:13 simokawa Exp $
38 #include <sys/param.h>
39 #include <sys/types.h>
49 #include <dev/dcons/dcons.h>
51 #include <sys/socket.h>
52 #include <netinet/in.h>
56 #include <sys/eui64.h>
57 #include <sys/event.h>
59 #include <arpa/telnet.h>
61 #include <sys/ioccom.h>
62 #include <dev/firewire/firewire.h>
63 #include <dev/firewire/iec13213.h>
68 #include <sys/errno.h>
70 #define DCONS_POLL_HZ 100
71 #define DCONS_POLL_OFFLINE 2 /* sec */
75 #ifdef CSRVAL_VENDOR_PRIVATE
83 int poll_hz = DCONS_POLL_HZ;
84 static u_char abreak[3] = {13 /* CR */, 126 /* ~ */, 2 /* ^B */};
86 #define IS_CONSOLE(p) ((p)->port == DCONS_CON)
87 #define IS_GDB(p) ((p)->port == DCONS_GDB)
89 static struct dcons_state {
95 #define F_READY (1 << 1)
96 #define F_RD_ONLY (1 << 2)
97 #define F_ALT_BREAK (1 << 3)
98 #define F_TELNET (1 << 4)
99 #define F_USE_CROM (1 << 5)
100 #define F_ONE_SHOT (1 << 6)
101 #define F_REPLAY (1 << 7)
118 struct addrinfo *res;
122 struct timespec zero;
123 struct termios tsave;
128 static int dconschat_write_dcons(struct dcons_state *, int, char *, int);
131 dread(struct dcons_state *dc, void *buf, size_t n, off_t offset)
135 return (pread(dc->fd, buf, n, offset));
137 return (kvm_read(dc->kd, offset, buf, n));
143 dwrite(struct dcons_state *dc, void *buf, size_t n, off_t offset)
145 if ((dc->flags & F_RD_ONLY) != 0)
150 return (pwrite(dc->fd, buf, n, offset));
152 return (kvm_write(dc->kd, offset, buf, n));
158 dconschat_reset_target(struct dcons_state *dc, struct dcons_port *p)
164 snprintf(buf, PAGE_SIZE,
165 "\r\n[dconschat reset target(addr=0x%jx)...]\r\n",
166 (intmax_t)dc->reset);
167 write(p->outfd, buf, strlen(buf));
168 bzero(&buf[0], PAGE_SIZE);
169 dwrite(dc, (void *)buf, PAGE_SIZE, dc->reset);
174 dconschat_suspend(struct dcons_state *dc, struct dcons_port *p)
180 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
182 printf("\n[dconschat suspend]\n");
183 kill(getpid(), SIGTSTP);
186 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
190 dconschat_sigchld(int s)
193 struct dcons_port *p;
196 p = &sc.port[DCONS_CON];
198 snprintf(buf, 256, "\r\n[child exit]\r\n");
199 write(p->outfd, buf, strlen(buf));
202 tcsetattr(STDIN_FILENO, TCSADRAIN, &sc.traw);
204 EV_SET(&kev, p->infd, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1, (void *)p);
205 kevent(sc.kq, &kev, 1, NULL, 0, &sc.zero);
209 dconschat_fork_gdb(struct dcons_state *dc, struct dcons_port *p)
212 char buf[256], com[256];
217 snprintf(buf, 256, "\r\n[%s: fork failed]\r\n", __FUNCTION__);
218 write(p->outfd, buf, strlen(buf));
225 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
227 snprintf(com, sizeof(buf), "kgdb -r :%d kernel",
228 dc->port[DCONS_GDB].sport);
229 snprintf(buf, 256, "\n[fork %s]\n", com);
230 write(p->outfd, buf, strlen(buf));
232 execl("/bin/sh", "/bin/sh", "-c", com, NULL);
234 snprintf(buf, 256, "\n[fork failed]\n");
235 write(p->outfd, buf, strlen(buf));
238 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
242 signal(SIGCHLD, dconschat_sigchld);
243 EV_SET(&kev, p->infd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
244 kevent(sc.kq, &kev, 1, NULL, 0, &sc.zero);
250 dconschat_cleanup(int sig)
252 struct dcons_state *dc;
257 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
260 printf("\n[dconschat exiting with signal %d ...]\n", sig);
262 printf("\n[dconschat exiting...]\n");
269 dconschat_get_crom(struct dcons_state *dc)
273 u_int32_t buf, hi = 0, lo = 0, reset_hi = 0, reset_lo = 0;
276 reg = (struct csrreg *)&buf;
278 addr = (addr << 32) | 0xf0000400;
279 for (i = 20; i < 0x400; i += 4) {
280 if (dread(dc, &buf, 4, addr + i) < 0) {
282 warn("crom read faild");
287 printf("%d %02x %06x\n", state, reg->key, reg->val);
290 if (reg->key == CSRKEY_SPEC &&
291 reg->val == CSRVAL_VENDOR_PRIVATE)
295 if (reg->key == CSRKEY_VER &&
296 reg->val == DCONS_CSR_VAL_VER)
301 case DCONS_CSR_KEY_HI:
304 case DCONS_CSR_KEY_LO:
307 case DCONS_CSR_KEY_RESET_HI:
310 case DCONS_CSR_KEY_RESET_LO:
324 printf("addr: %06x %06x\n", hi, lo);
325 dc->paddr = ((off_t)hi << 24) | lo;
326 dc->reset = ((off_t)reset_hi << 24) | reset_lo;
334 dconschat_ready(struct dcons_state *dc, int ready, char *reason)
336 static char oldreason[64] = "";
339 old = (dc->flags & F_READY) ? 1 : 0;
342 dc->flags |= F_READY;
344 printf("[dcons connected]\r\n");
347 dc->flags &= ~F_READY;
348 if (strncmp(oldreason, reason, sizeof(oldreason)) != 0) {
349 printf("[dcons disconnected (%s)]\r\n", reason);
350 strlcpy(oldreason, reason, sizeof(oldreason));
356 dconschat_fetch_header(struct dcons_state *dc)
359 struct dcons_buf dbuf;
363 if (dc->paddr == 0 && (dc->flags & F_USE_CROM) != 0) {
364 if (dconschat_get_crom(dc)) {
365 dconschat_ready(dc, 0, "get crom failed");
371 if (dread(dc, &dbuf, DCONS_HEADER_SIZE, dc->paddr) < 0) {
372 dconschat_ready(dc, 0, "read header failed");
375 if (dbuf.magic != htonl(DCONS_MAGIC)) {
376 if ((dc->flags & F_USE_CROM) !=0)
378 snprintf(ebuf, sizeof(ebuf), "wrong magic 0x%08x", dbuf.magic);
379 dconschat_ready(dc, 0, ebuf);
382 if (ntohl(dbuf.version) != DCONS_VERSION) {
383 snprintf(ebuf, sizeof(ebuf),
384 #if __FreeBSD_version < 500000
385 "wrong version %ld,%d",
387 "wrong version %d,%d",
389 ntohl(dbuf.version), DCONS_VERSION);
391 dconschat_ready(dc, 0, ebuf);
395 for (j = 0; j < DCONS_NPORT; j++) {
396 struct dcons_ch *o, *i;
401 newbuf = dc->paddr + ntohl(dbuf.ooffset[j]);
402 o->size = ntohl(dbuf.osize[j]);
404 if (newbuf != o->buf) {
405 /* buffer address has changes */
407 o->gen = ntohl(dbuf.optr[j]) >> DCONS_GEN_SHIFT;
408 o->pos = ntohl(dbuf.optr[j]) & DCONS_POS_MASK;
413 i->size = ntohl(dbuf.isize[j]);
414 i->gen = ntohl(dbuf.iptr[j]) >> DCONS_GEN_SHIFT;
415 i->pos = ntohl(dbuf.iptr[j]) & DCONS_POS_MASK;
416 i->buf = dc->paddr + ntohl(dbuf.ioffset[j]);
419 printf("port %d size offset gen pos\n", j);
420 #if __FreeBSD_version < 500000
421 printf("output: %5d %6ld %5d %5d\n"
422 "input : %5d %6ld %5d %5d\n",
424 printf("output: %5d %6d %5d %5d\n"
425 "input : %5d %6d %5d %5d\n",
427 o->size, ntohl(dbuf.ooffset[j]), o->gen, o->pos,
428 i->size, ntohl(dbuf.ioffset[j]), i->gen, i->pos);
431 if (IS_CONSOLE(&dc->port[j]) && new &&
432 (dc->flags & F_REPLAY) !=0) {
439 dconschat_ready(dc, 1, NULL);
444 dconschat_get_ptr (struct dcons_state *dc) {
446 u_int32_t ptr[DCONS_NPORT*2+1];
447 static int retry = RETRY;
451 dlen = dread(dc, &ptr, sizeof(ptr),
452 dc->paddr + __offsetof(struct dcons_buf, magic));
455 if (errno == ETIMEDOUT)
458 dconschat_ready(dc, 0, "get ptr failed");
461 if (ptr[0] != htonl(DCONS_MAGIC)) {
462 if ((dc->flags & F_USE_CROM) !=0)
464 snprintf(ebuf, sizeof(ebuf), "wrong magic 0x%08x", ptr[0]);
465 dconschat_ready(dc, 0, ebuf);
469 for (i = 0; i < DCONS_NPORT; i ++) {
470 dc->port[i].optr = ntohl(ptr[i + 1]);
471 dc->port[i].iptr = ntohl(ptr[DCONS_NPORT + i + 1]);
476 #define MAX_XFER 2048
478 dconschat_read_dcons(struct dcons_state *dc, int port, char *buf, int len)
481 u_int32_t ptr, pos, gen, next_gen;
482 int rlen, dlen, lost;
485 ch = &dc->port[port].o;
486 ptr = dc->port[port].optr;
487 gen = ptr >> DCONS_GEN_SHIFT;
488 pos = ptr & DCONS_POS_MASK;
489 if (gen == ch->gen && pos == ch->pos)
492 next_gen = DCONS_NEXT_GEN(ch->gen);
493 /* XXX sanity check */
494 if (gen == ch->gen) {
497 lost = ch->size * DCONS_GEN_MASK - ch->pos;
499 } else if (gen == next_gen) {
502 lost = pos - ch->pos;
505 lost = gen - ch->gen;
507 lost += DCONS_GEN_MASK;
509 printf("[genskip %d]", lost);
510 lost = lost * ch->size - ch->pos;
514 /* generation skipped !! */
517 printf("[lost %d]", lost);
520 rlen = pos - ch->pos;
522 rlen = ch->size - ch->pos;
531 printf("[%d]", rlen); fflush(stdout);
535 dlen = dread(dc, buf, rlen, ch->buf + ch->pos);
537 if (errno == ETIMEDOUT)
540 dconschat_ready(dc, 0, "read buffer failed");
544 warnx("dlen(%d) != rlen(%d)\n", dlen, rlen);
546 if (ch->pos >= ch->size) {
550 printf("read_dcons: gen=%d", ch->gen);
556 dconschat_write_dcons(struct dcons_state *dc, int port, char *buf, int blen)
563 ch = &dc->port[port].i;
564 ptr = dc->port[port].iptr;
566 /* the others may advance the pointer sync with it */
567 ch->gen = ptr >> DCONS_GEN_SHIFT;
568 ch->pos = ptr & DCONS_POS_MASK;
571 wlen = MIN(blen, ch->size - ch->pos);
572 wlen = MIN(wlen, MAX_XFER);
573 len = dwrite(dc, buf, wlen, ch->buf + ch->pos);
575 if (errno == ETIMEDOUT)
577 continue; /* try again */
578 dconschat_ready(dc, 0, "write buffer failed");
584 if (ch->pos >= ch->size) {
585 ch->gen = DCONS_NEXT_GEN(ch->gen);
588 printf("write_dcons: gen=%d", ch->gen);
593 ptr = DCONS_MAKE_PTR(ch);
594 dc->port[port].iptr = ptr;
597 printf("(iptr: 0x%x)", ptr);
599 len = dwrite(dc, &ptr, sizeof(u_int32_t),
600 dc->paddr + __offsetof(struct dcons_buf, iptr[port]));
602 if (errno == ETIMEDOUT)
605 dconschat_ready(dc, 0, "write ptr failed");
613 dconschat_write_socket(int fd, char *buf, int len)
618 printf("<- %s\n", buf);
624 dconschat_init_socket(struct dcons_state *dc, int port, char *host, int sport)
626 struct addrinfo hints, *res;
630 struct dcons_port *p;
635 p->infd = p->outfd = -1;
642 /* Use stdin and stdout */
643 p->infd = STDIN_FILENO;
644 p->outfd = STDOUT_FILENO;
647 tcgetattr(STDIN_FILENO, &dc->tsave) == 0) {
648 dc->traw = dc->tsave;
649 cfmakeraw(&dc->traw);
650 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
653 EV_SET(&kev, p->infd, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1,
655 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
659 memset(&hints, 0, sizeof(hints));
660 hints.ai_flags = AI_PASSIVE;
661 #if 1 /* gdb can talk v4 only */
662 hints.ai_family = PF_INET;
664 hints.ai_family = PF_UNSPEC;
666 hints.ai_socktype = SOCK_STREAM;
667 hints.ai_protocol = 0;
670 printf("%s:%d for port %d\n",
671 host == NULL ? "*" : host, sport, port);
672 snprintf(service, sizeof(service), "%d", sport);
673 error = getaddrinfo(host, service, &hints, &res);
675 errx(1, "tcp/%s: %s\n", service, gai_strerror(error));
677 p->s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
680 setsockopt(p->s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
682 if (bind(p->s, p->res->ai_addr, p->res->ai_addrlen) < 0) {
685 if (listen(p->s, 1) < 0)
687 EV_SET(&kev, p->s, EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, (void *)p);
688 error = kevent(dc->kq, &kev, 1, NULL, 0, &dc->to);
695 dconschat_accept_socket(struct dcons_state *dc, struct dcons_port *p)
701 /* accept connection */
702 addrlen = p->res->ai_addrlen;
703 ns = accept(p->s, p->res->ai_addr, &addrlen);
707 printf("port%d accepted\n", p->port);
709 flags = fcntl(ns, F_GETFL, 0);
711 fcntl(ns, F_SETFL, flags);
713 if (IS_CONSOLE(p) && (dc->flags & F_TELNET) != 0) {
714 char sga[] = {IAC, WILL, TELOPT_SGA};
715 char linemode[] = {IAC, DONT, TELOPT_LINEMODE};
716 char echo[] = {IAC, WILL, TELOPT_ECHO};
717 char bin[] = {IAC, DO, TELOPT_BINARY};
719 write(ns, sga, sizeof(sga));
720 write(ns, linemode, sizeof(linemode));
721 write(ns, echo, sizeof(echo));
722 write(ns, bin, sizeof(bin));
726 /* discard backlog on GDB port */
731 while ((len = dconschat_read_dcons(dc, DCONS_GDB, &buf[0],
734 printf("discard %d chars on GDB port\n", len);
737 p->infd = p->outfd = ns;
738 EV_SET(&kev, ns, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1, (void *)p);
739 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
744 dconschat_read_filter(struct dcons_state *dc, struct dcons_port *p,
745 u_char *sp, int slen, u_char *dp, int *dlen)
753 if ((dc->flags & F_TELNET) != 0) {
754 /* XXX Telnet workarounds */
755 if (p->skip_read -- > 0) {
770 printf("(0 stripped)");
776 switch (dc->escape_state) {
778 if (*sp == dc->escape) {
780 dc->escape_state = STATE2;
782 dc->escape_state = STATE0;
785 dc->escape_state = STATE0;
788 dconschat_cleanup(0);
789 else if (*sp == CTRL('B')) {
790 bcopy(abreak, dp, 3);
794 else if (*sp == CTRL('G'))
795 dconschat_fork_gdb(dc, p);
796 else if ((*sp == CTRL('R'))
797 && (dc->reset != 0)) {
798 dc->escape_state = STATE3;
799 buf = "\r\n[Are you sure to reset target? (y/N)]";
800 write(p->outfd, buf, strlen(buf));
801 } else if (*sp == CTRL('Z'))
802 dconschat_suspend(dc, p);
810 dc->escape_state = STATE0;
813 dconschat_reset_target(dc, p);
815 write(p->outfd, sp, 1);
816 write(p->outfd, "\r\n", 2);
821 dc->escape_state = STATE1;
822 } else if (IS_GDB(p)) {
823 /* GDB: ^C -> CR+~+^B */
824 if (*sp == CTRL('C') && (dc->flags & F_ALT_BREAK) != 0) {
825 bcopy(abreak, dp, 3);
829 /* discard rest of the packet */
846 dconschat_read_socket(struct dcons_state *dc, struct dcons_port *p)
850 char rbuf[MAX_XFER], wbuf[MAX_XFER+2];
852 if ((len = read(p->infd, rbuf, sizeof(rbuf))) > 0) {
854 dconschat_read_filter(dc, p, rbuf, len, wbuf, &wlen);
855 /* XXX discard if not ready*/
856 if (wlen > 0 && (dc->flags & F_READY) != 0) {
857 dconschat_write_dcons(dc, p->port, wbuf, wlen);
860 printf("-> %s\n", wbuf);
861 } else if (verbose == 1) {
862 printf("(%d)", wlen);
869 warnx("port%d: closed", p->port);
871 warn("port%d: read", p->port);
873 EV_SET(&kev, p->infd, EVFILT_READ,
874 EV_DELETE, 0, 0, NULL);
875 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
878 /* XXX exit for pipe case XXX */
879 EV_SET(&kev, p->s, EVFILT_READ,
880 EV_ADD | EV_ONESHOT, 0, 0, (void *) p);
881 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
882 p->infd = p->outfd = -1;
888 dconschat_proc_socket(struct dcons_state *dc)
890 struct kevent elist[NEVENT], *e;
892 struct dcons_port *p;
894 n = kevent(dc->kq, NULL, 0, elist, NEVENT, &dc->to);
895 for (i = 0; i < n; i ++) {
897 p = (struct dcons_port *)e->udata;
898 if (e->ident == p->s) {
899 dconschat_accept_socket(dc, p);
901 dconschat_read_socket(dc, p);
908 dconschat_proc_dcons(struct dcons_state *dc)
912 struct dcons_port *p;
914 err = dconschat_get_ptr(dc);
916 /* XXX we should stop write operation too. */
919 for (port = 0; port < DCONS_NPORT; port ++) {
923 while ((len = dconschat_read_dcons(dc, port, buf,
925 dconschat_write_socket(p->outfd, buf, len);
926 if ((err = dconschat_get_ptr(dc)))
929 if ((dc->flags & F_ONE_SHOT) != 0 && len <= 0)
930 dconschat_cleanup(0);
936 dconschat_start_session(struct dcons_state *dc)
940 int retry_unit_init = MAX(1, poll_hz / 10);
941 int retry_unit_offline = poll_hz * DCONS_POLL_OFFLINE;
942 int retry_unit = retry_unit_init;
943 int retry_max = retry_unit_offline / retry_unit;
946 if (((dc->flags & F_READY) == 0) && ++counter > retry_unit) {
949 if (retry > retry_max)
950 retry_unit = retry_unit_offline;
952 printf("%d/%d ", retry, retry_max);
955 dconschat_fetch_header(dc);
957 if ((dc->flags & F_READY) != 0) {
960 retry_unit = retry_unit_init;
961 dconschat_proc_dcons(dc);
963 dconschat_proc_socket(dc);
972 "usage: dconschat [-brvwRT1] [-h hz] [-C port] [-G port]\n"
973 "\t\t\t[-M core] [-N system]\n"
974 "\t\t\t[-u unit] [-a address] [-t target_eui64]\n"
975 "\t-b translate ctrl-C to CR+~+ctrl-B on gdb port\n"
977 "\t-w listen on wildcard address rather than localhost\n"
978 "\t-r replay old buffer on connection\n"
980 "\t-T enable Telnet protocol workaround on console port\n"
981 "\t-1 one shot: read buffer and exit\n"
982 "\t-h polling rate\n"
983 "\t-C port number for console port\n"
984 "\t-G port number for gdb port\n"
989 "\t-u specify unit number of the bus\n"
990 "\t-t EUI64 of target host (must be specified)\n"
991 "\t-a physical address of dcons buffer on target host\n"
996 main(int argc, char **argv)
998 struct dcons_state *dc;
1000 struct eui64 target;
1001 char devname[256], *core = NULL, *system = NULL;
1003 int unit=0, wildcard=0;
1004 int port[DCONS_NPORT];
1006 bzero(&sc, sizeof(sc));
1008 dc->flags |= USE_CROM ? F_USE_CROM : 0;
1011 port[0] = 0; /* stdin/out for console */
1012 port[1] = -1; /* disable gdb port */
1014 /* default escape char */
1015 dc->escape = KEY_TILDE;
1017 while ((ch = getopt(argc, argv, "a:be:h:rt:u:vwC:G:M:N:RT1")) != -1) {
1020 dc->paddr = strtoull(optarg, NULL, 0);
1021 dc->flags &= ~F_USE_CROM;
1024 dc->flags |= F_ALT_BREAK;
1027 dc->escape = optarg[0];
1030 poll_hz = strtoul(optarg, NULL, 0);
1032 poll_hz = DCONS_POLL_HZ;
1035 dc->flags |= F_REPLAY;
1038 if (eui64_hostton(optarg, &target) != 0 &&
1039 eui64_aton(optarg, &target) != 0)
1040 errx(1, "invalid target: %s", optarg);
1041 eui.hi = ntohl(*(u_int32_t*)&(target.octet[0]));
1042 eui.lo = ntohl(*(u_int32_t*)&(target.octet[4]));
1046 unit = strtol(optarg, NULL, 0);
1055 port[0] = strtol(optarg, NULL, 0);
1058 port[1] = strtol(optarg, NULL, 0);
1067 dc->flags |= F_RD_ONLY;
1070 dc->flags |= F_TELNET;
1073 dc->flags |= F_ONE_SHOT | F_REPLAY;
1079 if (dc->paddr == 0 && (dc->flags & F_USE_CROM) == 0) {
1080 warnx("no address specified");
1084 if (port[0] < 0 && port[1] < 0) {
1085 warnx("no port specified");
1089 /* set signal handler */
1090 signal(SIGHUP, dconschat_cleanup);
1091 signal(SIGINT, dconschat_cleanup);
1092 signal(SIGPIPE, dconschat_cleanup);
1093 signal(SIGTERM, dconschat_cleanup);
1099 for (i = 0; i < MAXDEV; i ++) {
1100 snprintf(devname, sizeof(devname),
1101 "/dev/fwmem%d.%d", unit, i);
1102 dc->fd = open(devname, O_RDWR);
1108 error = ioctl(dc->fd, FW_SDEUI64, &eui);
1114 struct nlist nl[] = {{"dcons_buf"}, {""}};
1117 dc->kd = kvm_open(system, core, NULL,
1118 (dc->flags & F_RD_ONLY) ? O_RDONLY : O_RDWR, "dconschat");
1120 errx(1, "kvm_open");
1122 if (kvm_nlist(dc->kd, nl) < 0)
1123 errx(1, "kvm_nlist: %s", kvm_geterr(dc->kd));
1125 if (kvm_read(dc->kd, nl[0].n_value, &dcons_buf,
1126 sizeof(void *)) < 0)
1127 errx(1, "kvm_read: %s", kvm_geterr(dc->kd));
1128 dc->paddr = (uintptr_t)dcons_buf;
1130 printf("dcons_buf: 0x%x\n", (uint)dc->paddr);
1134 dconschat_fetch_header(dc);
1143 dc->to.tv_nsec = 1000 * 1000 * 1000 / poll_hz;
1145 dc->zero.tv_sec = 0;
1146 dc->zero.tv_nsec = 0;
1147 for (i = 0; i < DCONS_NPORT; i++)
1148 dconschat_init_socket(dc, i,
1149 wildcard ? NULL : "localhost", port[i]);
1151 dconschat_start_session(dc);
1153 for (i = 0; i < DCONS_NPORT; i++) {
1154 freeaddrinfo(dc->port[i].res);