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>
46 #include <dev/dcons/dcons.h>
48 #include <sys/socket.h>
49 #include <netinet/in.h>
53 #include <sys/eui64.h>
54 #include <sys/event.h>
56 #include <arpa/telnet.h>
58 #include <sys/ioccom.h>
59 #include <dev/firewire/firewire.h>
60 #include <dev/firewire/iec13213.h>
65 #include <sys/errno.h>
67 #define DCONS_POLL_HZ 100
68 #define DCONS_POLL_OFFLINE 2 /* sec */
72 #ifdef CSRVAL_VENDOR_PRIVATE
80 int poll_hz = DCONS_POLL_HZ;
81 static u_char abreak[3] = {13 /* CR */, 126 /* ~ */, 2 /* ^B */};
83 #define IS_CONSOLE(p) ((p)->port == DCONS_CON)
84 #define IS_GDB(p) ((p)->port == DCONS_GDB)
86 static struct dcons_state {
92 #define F_READY (1 << 1)
93 #define F_RD_ONLY (1 << 2)
94 #define F_ALT_BREAK (1 << 3)
95 #define F_TELNET (1 << 4)
96 #define F_USE_CROM (1 << 5)
97 #define F_ONE_SHOT (1 << 6)
98 #define F_REPLAY (1 << 7)
115 struct addrinfo *res;
119 struct timespec zero;
120 struct termios tsave;
125 static int dconschat_write_dcons(struct dcons_state *, int, char *, int);
128 dread(struct dcons_state *dc, void *buf, size_t n, off_t offset)
132 return (pread(dc->fd, buf, n, offset));
134 return (kvm_read(dc->kd, offset, buf, n));
140 dwrite(struct dcons_state *dc, void *buf, size_t n, off_t offset)
142 if ((dc->flags & F_RD_ONLY) != 0)
147 return (pwrite(dc->fd, buf, n, offset));
149 return (kvm_write(dc->kd, offset, buf, n));
155 dconschat_reset_target(struct dcons_state *dc, struct dcons_port *p)
161 snprintf(buf, PAGE_SIZE, "\r\n[dconschat reset target(addr=0x%zx)...]\r\n", dc->reset);
162 write(p->outfd, buf, strlen(buf));
163 bzero(&buf[0], PAGE_SIZE);
164 dwrite(dc, (void *)buf, PAGE_SIZE, dc->reset);
169 dconschat_suspend(struct dcons_state *dc, struct dcons_port *p)
175 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
177 printf("\n[dconschat suspend]\n");
178 kill(getpid(), SIGTSTP);
181 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
185 dconschat_sigchld(int s)
188 struct dcons_port *p;
191 p = &sc.port[DCONS_CON];
193 snprintf(buf, 256, "\r\n[child exit]\r\n");
194 write(p->outfd, buf, strlen(buf));
197 tcsetattr(STDIN_FILENO, TCSADRAIN, &sc.traw);
199 EV_SET(&kev, p->infd, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1, (void *)p);
200 kevent(sc.kq, &kev, 1, NULL, 0, &sc.zero);
204 dconschat_fork_gdb(struct dcons_state *dc, struct dcons_port *p)
207 char buf[256], com[256];
212 snprintf(buf, 256, "\r\n[%s: fork failed]\r\n", __FUNCTION__);
213 write(p->outfd, buf, strlen(buf));
220 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
222 snprintf(com, sizeof(buf), "kgdb -r :%d kernel",
223 dc->port[DCONS_GDB].sport);
224 snprintf(buf, 256, "\n[fork %s]\n", com);
225 write(p->outfd, buf, strlen(buf));
227 execl("/bin/sh", "/bin/sh", "-c", com, 0);
229 snprintf(buf, 256, "\n[fork failed]\n");
230 write(p->outfd, buf, strlen(buf));
233 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
237 signal(SIGCHLD, dconschat_sigchld);
238 EV_SET(&kev, p->infd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
239 kevent(sc.kq, &kev, 1, NULL, 0, &sc.zero);
245 dconschat_cleanup(int sig)
247 struct dcons_state *dc;
252 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
255 printf("\n[dconschat exiting with signal %d ...]\n", sig);
257 printf("\n[dconschat exiting...]\n");
264 dconschat_get_crom(struct dcons_state *dc)
268 u_int32_t buf, hi = 0, lo = 0, reset_hi = 0, reset_lo = 0;
271 reg = (struct csrreg *)&buf;
273 addr = (addr << 32) | 0xf0000400;
274 for (i = 20; i < 0x400; i += 4) {
275 if (dread(dc, &buf, 4, addr + i) < 0) {
277 warn("crom read faild");
282 printf("%d %02x %06x\n", state, reg->key, reg->val);
285 if (reg->key == CSRKEY_SPEC &&
286 reg->val == CSRVAL_VENDOR_PRIVATE)
290 if (reg->key == CSRKEY_VER &&
291 reg->val == DCONS_CSR_VAL_VER)
296 case DCONS_CSR_KEY_HI:
299 case DCONS_CSR_KEY_LO:
302 case DCONS_CSR_KEY_RESET_HI:
305 case DCONS_CSR_KEY_RESET_LO:
319 printf("addr: %06x %06x\n", hi, lo);
320 dc->paddr = ((off_t)hi << 24) | lo;
321 dc->reset = ((off_t)reset_hi << 24) | reset_lo;
329 dconschat_ready(struct dcons_state *dc, int ready, char *reason)
331 static char oldreason[64] = "";
334 old = (dc->flags & F_READY) ? 1 : 0;
337 dc->flags |= F_READY;
339 printf("[dcons connected]\r\n");
342 dc->flags &= ~F_READY;
343 if (strncmp(oldreason, reason, sizeof(oldreason)) != 0) {
344 printf("[dcons disconnected (%s)]\r\n", reason);
345 strlcpy(oldreason, reason, sizeof(oldreason));
351 dconschat_fetch_header(struct dcons_state *dc)
354 struct dcons_buf dbuf;
358 if (dc->paddr == 0 && (dc->flags & F_USE_CROM) != 0) {
359 if (dconschat_get_crom(dc)) {
360 dconschat_ready(dc, 0, "get crom failed");
366 if (dread(dc, &dbuf, DCONS_HEADER_SIZE, dc->paddr) < 0) {
367 dconschat_ready(dc, 0, "read header failed");
370 if (dbuf.magic != htonl(DCONS_MAGIC)) {
371 if ((dc->flags & F_USE_CROM) !=0)
373 snprintf(ebuf, sizeof(ebuf), "wrong magic 0x%08x", dbuf.magic);
374 dconschat_ready(dc, 0, ebuf);
377 if (ntohl(dbuf.version) != DCONS_VERSION) {
378 snprintf(ebuf, sizeof(ebuf),
379 #if __FreeBSD_version < 500000
380 "wrong version %ld,%d",
382 "wrong version %d,%d",
384 ntohl(dbuf.version), DCONS_VERSION);
386 dconschat_ready(dc, 0, ebuf);
390 for (j = 0; j < DCONS_NPORT; j++) {
391 struct dcons_ch *o, *i;
396 newbuf = dc->paddr + ntohl(dbuf.ooffset[j]);
397 o->size = ntohl(dbuf.osize[j]);
399 if (newbuf != o->buf) {
400 /* buffer address has changes */
402 o->gen = ntohl(dbuf.optr[j]) >> DCONS_GEN_SHIFT;
403 o->pos = ntohl(dbuf.optr[j]) & DCONS_POS_MASK;
408 i->size = ntohl(dbuf.isize[j]);
409 i->gen = ntohl(dbuf.iptr[j]) >> DCONS_GEN_SHIFT;
410 i->pos = ntohl(dbuf.iptr[j]) & DCONS_POS_MASK;
411 i->buf = dc->paddr + ntohl(dbuf.ioffset[j]);
414 printf("port %d size offset gen pos\n", j);
415 #if __FreeBSD_version < 500000
416 printf("output: %5d %6ld %5d %5d\n"
417 "input : %5d %6ld %5d %5d\n",
419 printf("output: %5d %6d %5d %5d\n"
420 "input : %5d %6d %5d %5d\n",
422 o->size, ntohl(dbuf.ooffset[j]), o->gen, o->pos,
423 i->size, ntohl(dbuf.ioffset[j]), i->gen, i->pos);
426 if (IS_CONSOLE(&dc->port[j]) && new &&
427 (dc->flags & F_REPLAY) !=0) {
434 dconschat_ready(dc, 1, NULL);
439 dconschat_get_ptr (struct dcons_state *dc) {
441 u_int32_t ptr[DCONS_NPORT*2+1];
442 static int retry = RETRY;
446 dlen = dread(dc, &ptr, sizeof(ptr),
447 dc->paddr + __offsetof(struct dcons_buf, magic));
450 if (errno == ETIMEDOUT)
453 dconschat_ready(dc, 0, "get ptr failed");
456 if (ptr[0] != htonl(DCONS_MAGIC)) {
457 if ((dc->flags & F_USE_CROM) !=0)
459 snprintf(ebuf, sizeof(ebuf), "wrong magic 0x%08x", ptr[0]);
460 dconschat_ready(dc, 0, ebuf);
464 for (i = 0; i < DCONS_NPORT; i ++) {
465 dc->port[i].optr = ntohl(ptr[i + 1]);
466 dc->port[i].iptr = ntohl(ptr[DCONS_NPORT + i + 1]);
471 #define MAX_XFER 2048
473 dconschat_read_dcons(struct dcons_state *dc, int port, char *buf, int len)
476 u_int32_t ptr, pos, gen, next_gen;
477 int rlen, dlen, lost;
480 ch = &dc->port[port].o;
481 ptr = dc->port[port].optr;
482 gen = ptr >> DCONS_GEN_SHIFT;
483 pos = ptr & DCONS_POS_MASK;
484 if (gen == ch->gen && pos == ch->pos)
487 next_gen = DCONS_NEXT_GEN(ch->gen);
488 /* XXX sanity check */
489 if (gen == ch->gen) {
492 lost = ch->size * DCONS_GEN_MASK - ch->pos;
494 } else if (gen == next_gen) {
497 lost = pos - ch->pos;
500 lost = gen - ch->gen;
502 lost += DCONS_GEN_MASK;
504 printf("[genskip %d]", lost);
505 lost = lost * ch->size - ch->pos;
509 /* generation skipped !! */
512 printf("[lost %d]", lost);
515 rlen = pos - ch->pos;
517 rlen = ch->size - ch->pos;
526 printf("[%d]", rlen); fflush(stdout);
530 dlen = dread(dc, buf, rlen, ch->buf + ch->pos);
532 if (errno == ETIMEDOUT)
535 dconschat_ready(dc, 0, "read buffer failed");
539 warnx("dlen(%d) != rlen(%d)\n", dlen, rlen);
541 if (ch->pos >= ch->size) {
545 printf("read_dcons: gen=%d", ch->gen);
551 dconschat_write_dcons(struct dcons_state *dc, int port, char *buf, int blen)
558 ch = &dc->port[port].i;
559 ptr = dc->port[port].iptr;
561 /* the others may advance the pointer sync with it */
562 ch->gen = ptr >> DCONS_GEN_SHIFT;
563 ch->pos = ptr & DCONS_POS_MASK;
566 wlen = MIN(blen, ch->size - ch->pos);
567 wlen = MIN(wlen, MAX_XFER);
568 len = dwrite(dc, buf, wlen, ch->buf + ch->pos);
570 if (errno == ETIMEDOUT)
572 continue; /* try again */
573 dconschat_ready(dc, 0, "write buffer failed");
579 if (ch->pos >= ch->size) {
580 ch->gen = DCONS_NEXT_GEN(ch->gen);
583 printf("write_dcons: gen=%d", ch->gen);
588 ptr = DCONS_MAKE_PTR(ch);
589 dc->port[port].iptr = ptr;
592 printf("(iptr: 0x%x)", ptr);
594 len = dwrite(dc, &ptr, sizeof(u_int32_t),
595 dc->paddr + __offsetof(struct dcons_buf, iptr[port]));
597 if (errno == ETIMEDOUT)
600 dconschat_ready(dc, 0, "write ptr failed");
608 dconschat_write_socket(int fd, char *buf, int len)
613 printf("<- %s\n", buf);
619 dconschat_init_socket(struct dcons_state *dc, int port, char *host, int sport)
621 struct addrinfo hints, *res;
625 struct dcons_port *p;
630 p->infd = p->outfd = -1;
637 /* Use stdin and stdout */
638 p->infd = STDIN_FILENO;
639 p->outfd = STDOUT_FILENO;
642 tcgetattr(STDIN_FILENO, &dc->tsave) == 0) {
643 dc->traw = dc->tsave;
644 cfmakeraw(&dc->traw);
645 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
648 EV_SET(&kev, p->infd, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1,
650 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
654 memset(&hints, 0, sizeof(hints));
655 hints.ai_flags = AI_PASSIVE;
656 #if 1 /* gdb can talk v4 only */
657 hints.ai_family = PF_INET;
659 hints.ai_family = PF_UNSPEC;
661 hints.ai_socktype = SOCK_STREAM;
662 hints.ai_protocol = 0;
665 printf("%s:%d for port %d\n",
666 host == NULL ? "*" : host, sport, port);
667 snprintf(service, sizeof(service), "%d", sport);
668 error = getaddrinfo(host, service, &hints, &res);
670 errx(1, "tcp/%s: %s\n", service, gai_strerror(error));
672 p->s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
675 setsockopt(p->s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
677 if (bind(p->s, p->res->ai_addr, p->res->ai_addrlen) < 0) {
680 if (listen(p->s, 1) < 0)
682 EV_SET(&kev, p->s, EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, (void *)p);
683 error = kevent(dc->kq, &kev, 1, NULL, 0, &dc->to);
690 dconschat_accept_socket(struct dcons_state *dc, struct dcons_port *p)
696 /* accept connection */
697 addrlen = p->res->ai_addrlen;
698 ns = accept(p->s, p->res->ai_addr, &addrlen);
702 printf("port%d accepted\n", p->port);
704 flags = fcntl(ns, F_GETFL, 0);
706 fcntl(ns, F_SETFL, flags);
708 if (IS_CONSOLE(p) && (dc->flags & F_TELNET) != 0) {
709 char sga[] = {IAC, WILL, TELOPT_SGA};
710 char linemode[] = {IAC, DONT, TELOPT_LINEMODE};
711 char echo[] = {IAC, WILL, TELOPT_ECHO};
712 char bin[] = {IAC, DO, TELOPT_BINARY};
714 write(ns, sga, sizeof(sga));
715 write(ns, linemode, sizeof(linemode));
716 write(ns, echo, sizeof(echo));
717 write(ns, bin, sizeof(bin));
721 /* discard backlog on GDB port */
726 while ((len = dconschat_read_dcons(dc, DCONS_GDB, &buf[0],
729 printf("discard %d chars on GDB port\n", len);
732 p->infd = p->outfd = ns;
733 EV_SET(&kev, ns, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1, (void *)p);
734 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
739 dconschat_read_filter(struct dcons_state *dc, struct dcons_port *p,
740 u_char *sp, int slen, u_char *dp, int *dlen)
748 if ((dc->flags & F_TELNET) != 0) {
749 /* XXX Telnet workarounds */
750 if (p->skip_read -- > 0) {
765 printf("(0 stripped)");
771 switch (dc->escape_state) {
773 if (*sp == dc->escape) {
775 dc->escape_state = STATE2;
777 dc->escape_state = STATE0;
780 dc->escape_state = STATE0;
783 dconschat_cleanup(0);
784 else if (*sp == CTRL('B')) {
785 bcopy(abreak, dp, 3);
789 else if (*sp == CTRL('G'))
790 dconschat_fork_gdb(dc, p);
791 else if ((*sp == CTRL('R'))
792 && (dc->reset != 0)) {
793 dc->escape_state = STATE3;
794 buf = "\r\n[Are you sure to reset target? (y/N)]";
795 write(p->outfd, buf, strlen(buf));
796 } else if (*sp == CTRL('Z'))
797 dconschat_suspend(dc, p);
805 dc->escape_state = STATE0;
808 dconschat_reset_target(dc, p);
810 write(p->outfd, sp, 1);
811 write(p->outfd, "\r\n", 2);
816 dc->escape_state = STATE1;
817 } else if (IS_GDB(p)) {
818 /* GDB: ^C -> CR+~+^B */
819 if (*sp == CTRL('C') && (dc->flags & F_ALT_BREAK) != 0) {
820 bcopy(abreak, dp, 3);
824 /* discard rest of the packet */
841 dconschat_read_socket(struct dcons_state *dc, struct dcons_port *p)
845 char rbuf[MAX_XFER], wbuf[MAX_XFER+2];
847 if ((len = read(p->infd, rbuf, sizeof(rbuf))) > 0) {
849 dconschat_read_filter(dc, p, rbuf, len, wbuf, &wlen);
850 /* XXX discard if not ready*/
851 if (wlen > 0 && (dc->flags & F_READY) != 0) {
852 dconschat_write_dcons(dc, p->port, wbuf, wlen);
855 printf("-> %s\n", wbuf);
856 } else if (verbose == 1) {
857 printf("(%d)", wlen);
864 warnx("port%d: closed", p->port);
866 warn("port%d: read", p->port);
868 EV_SET(&kev, p->infd, EVFILT_READ,
869 EV_DELETE, 0, 0, NULL);
870 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
873 /* XXX exit for pipe case XXX */
874 EV_SET(&kev, p->s, EVFILT_READ,
875 EV_ADD | EV_ONESHOT, 0, 0, (void *) p);
876 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
877 p->infd = p->outfd = -1;
883 dconschat_proc_socket(struct dcons_state *dc)
885 struct kevent elist[NEVENT], *e;
887 struct dcons_port *p;
889 n = kevent(dc->kq, NULL, 0, elist, NEVENT, &dc->to);
890 for (i = 0; i < n; i ++) {
892 p = (struct dcons_port *)e->udata;
893 if (e->ident == p->s) {
894 dconschat_accept_socket(dc, p);
896 dconschat_read_socket(dc, p);
903 dconschat_proc_dcons(struct dcons_state *dc)
907 struct dcons_port *p;
909 err = dconschat_get_ptr(dc);
911 /* XXX we should stop write operation too. */
914 for (port = 0; port < DCONS_NPORT; port ++) {
918 while ((len = dconschat_read_dcons(dc, port, buf,
920 dconschat_write_socket(p->outfd, buf, len);
921 if ((err = dconschat_get_ptr(dc)))
924 if ((dc->flags & F_ONE_SHOT) != 0 && len <= 0)
925 dconschat_cleanup(0);
931 dconschat_start_session(struct dcons_state *dc)
935 int retry_unit_init = MAX(1, poll_hz / 10);
936 int retry_unit_offline = poll_hz * DCONS_POLL_OFFLINE;
937 int retry_unit = retry_unit_init;
938 int retry_max = retry_unit_offline / retry_unit;
941 if (((dc->flags & F_READY) == 0) && ++counter > retry_unit) {
944 if (retry > retry_max)
945 retry_unit = retry_unit_offline;
947 printf("%d/%d ", retry, retry_max);
950 dconschat_fetch_header(dc);
952 if ((dc->flags & F_READY) != 0) {
955 retry_unit = retry_unit_init;
956 dconschat_proc_dcons(dc);
958 dconschat_proc_socket(dc);
967 "usage: dconschat [-brvwRT1] [-h hz] [-C port] [-G port]\n"
968 "\t\t\t[-M core] [-N system]\n"
969 "\t\t\t[-u unit] [-a address] [-t target_eui64]\n"
970 "\t-b translate ctrl-C to CR+~+ctrl-B on gdb port\n"
972 "\t-w listen on wildcard address rather than localhost\n"
973 "\t-r replay old buffer on connection\n"
975 "\t-T enable Telnet protocol workaround on console port\n"
976 "\t-1 one shot: read buffer and exit\n"
977 "\t-h polling rate\n"
978 "\t-C port number for console port\n"
979 "\t-G port number for gdb port\n"
984 "\t-u specify unit number of the bus\n"
985 "\t-t EUI64 of target host (must be specified)\n"
986 "\t-a physical address of dcons buffer on target host\n"
991 main(int argc, char **argv)
993 struct dcons_state *dc;
996 char devname[256], *core = NULL, *system = NULL;
998 int unit=0, wildcard=0;
999 int port[DCONS_NPORT];
1001 bzero(&sc, sizeof(sc));
1003 dc->flags |= USE_CROM ? F_USE_CROM : 0;
1006 port[0] = 0; /* stdin/out for console */
1007 port[1] = -1; /* disable gdb port */
1009 /* default escape char */
1010 dc->escape = KEY_TILDE;
1012 while ((ch = getopt(argc, argv, "a:be:h:rt:u:vwC:G:M:N:RT1")) != -1) {
1015 dc->paddr = strtoull(optarg, NULL, 0);
1016 dc->flags &= ~F_USE_CROM;
1019 dc->flags |= F_ALT_BREAK;
1022 dc->escape = optarg[0];
1025 poll_hz = strtoul(optarg, NULL, 0);
1027 poll_hz = DCONS_POLL_HZ;
1030 dc->flags |= F_REPLAY;
1033 if (eui64_hostton(optarg, &target) != 0 &&
1034 eui64_aton(optarg, &target) != 0)
1035 errx(1, "invalid target: %s", optarg);
1036 eui.hi = ntohl(*(u_int32_t*)&(target.octet[0]));
1037 eui.lo = ntohl(*(u_int32_t*)&(target.octet[4]));
1041 unit = strtol(optarg, NULL, 0);
1050 port[0] = strtol(optarg, NULL, 0);
1053 port[1] = strtol(optarg, NULL, 0);
1062 dc->flags |= F_RD_ONLY;
1065 dc->flags |= F_TELNET;
1068 dc->flags |= F_ONE_SHOT | F_REPLAY;
1074 if (dc->paddr == 0 && (dc->flags & F_USE_CROM) == 0) {
1075 warnx("no address specified");
1079 if (port[0] < 0 && port[1] < 0) {
1080 warnx("no port specified");
1084 /* set signal handler */
1085 signal(SIGHUP, dconschat_cleanup);
1086 signal(SIGINT, dconschat_cleanup);
1087 signal(SIGPIPE, dconschat_cleanup);
1088 signal(SIGTERM, dconschat_cleanup);
1094 for (i = 0; i < MAXDEV; i ++) {
1095 snprintf(devname, sizeof(devname),
1096 "/dev/fwmem%d.%d", unit, i);
1097 dc->fd = open(devname, O_RDWR);
1103 error = ioctl(dc->fd, FW_SDEUI64, &eui);
1109 struct nlist nl[] = {{"dcons_buf"}, {""}};
1112 dc->kd = kvm_open(system, core, NULL,
1113 (dc->flags & F_RD_ONLY) ? O_RDONLY : O_RDWR, "dconschat");
1115 errx(1, "kvm_open");
1117 if (kvm_nlist(dc->kd, nl) < 0)
1118 errx(1, "kvm_nlist: %s", kvm_geterr(dc->kd));
1120 if (kvm_read(dc->kd, nl[0].n_value, &dcons_buf,
1121 sizeof(void *)) < 0)
1122 errx(1, "kvm_read: %s", kvm_geterr(dc->kd));
1123 dc->paddr = (uintptr_t)dcons_buf;
1125 printf("dcons_buf: 0x%x\n", (uint)dc->paddr);
1129 dconschat_fetch_header(dc);
1138 dc->to.tv_nsec = 1000 * 1000 * 1000 / poll_hz;
1140 dc->zero.tv_sec = 0;
1141 dc->zero.tv_nsec = 0;
1142 for (i = 0; i < DCONS_NPORT; i++)
1143 dconschat_init_socket(dc, i,
1144 wildcard ? NULL : "localhost", port[i]);
1146 dconschat_start_session(dc);
1148 for (i = 0; i < DCONS_NPORT; i++) {
1149 freeaddrinfo(dc->port[i].res);