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>
48 #include <dev/dcons/dcons.h>
50 #include <sys/socket.h>
51 #include <netinet/in.h>
55 #include <sys/eui64.h>
56 #include <sys/event.h>
58 #include <arpa/telnet.h>
60 #include <sys/ioccom.h>
61 #include <dev/firewire/firewire.h>
62 #include <dev/firewire/iec13213.h>
67 #include <sys/errno.h>
69 #define DCONS_POLL_HZ 100
70 #define DCONS_POLL_OFFLINE 2 /* sec */
74 #ifdef CSRVAL_VENDOR_PRIVATE
82 int poll_hz = DCONS_POLL_HZ;
83 static u_char abreak[3] = {13 /* CR */, 126 /* ~ */, 2 /* ^B */};
85 #define IS_CONSOLE(p) ((p)->port == DCONS_CON)
86 #define IS_GDB(p) ((p)->port == DCONS_GDB)
88 static struct dcons_state {
94 #define F_READY (1 << 1)
95 #define F_RD_ONLY (1 << 2)
96 #define F_ALT_BREAK (1 << 3)
97 #define F_TELNET (1 << 4)
98 #define F_USE_CROM (1 << 5)
99 #define F_ONE_SHOT (1 << 6)
100 #define F_REPLAY (1 << 7)
117 struct addrinfo *res;
121 struct timespec zero;
122 struct termios tsave;
127 static int dconschat_write_dcons(struct dcons_state *, int, char *, int);
130 dread(struct dcons_state *dc, void *buf, size_t n, off_t offset)
134 return (pread(dc->fd, buf, n, offset));
136 return (kvm_read(dc->kd, offset, buf, n));
142 dwrite(struct dcons_state *dc, void *buf, size_t n, off_t offset)
144 if ((dc->flags & F_RD_ONLY) != 0)
149 return (pwrite(dc->fd, buf, n, offset));
151 return (kvm_write(dc->kd, offset, buf, n));
157 dconschat_reset_target(struct dcons_state *dc, struct dcons_port *p)
163 snprintf(buf, PAGE_SIZE, "\r\n[dconschat reset target(addr=0x%zx)...]\r\n", dc->reset);
164 write(p->outfd, buf, strlen(buf));
165 bzero(&buf[0], PAGE_SIZE);
166 dwrite(dc, (void *)buf, PAGE_SIZE, dc->reset);
171 dconschat_suspend(struct dcons_state *dc, struct dcons_port *p)
177 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
179 printf("\n[dconschat suspend]\n");
180 kill(getpid(), SIGTSTP);
183 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
187 dconschat_sigchld(int s)
190 struct dcons_port *p;
193 p = &sc.port[DCONS_CON];
195 snprintf(buf, 256, "\r\n[child exit]\r\n");
196 write(p->outfd, buf, strlen(buf));
199 tcsetattr(STDIN_FILENO, TCSADRAIN, &sc.traw);
201 EV_SET(&kev, p->infd, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1, (void *)p);
202 kevent(sc.kq, &kev, 1, NULL, 0, &sc.zero);
206 dconschat_fork_gdb(struct dcons_state *dc, struct dcons_port *p)
209 char buf[256], com[256];
214 snprintf(buf, 256, "\r\n[%s: fork failed]\r\n", __FUNCTION__);
215 write(p->outfd, buf, strlen(buf));
222 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
224 snprintf(com, sizeof(buf), "kgdb -r :%d kernel",
225 dc->port[DCONS_GDB].sport);
226 snprintf(buf, 256, "\n[fork %s]\n", com);
227 write(p->outfd, buf, strlen(buf));
229 execl("/bin/sh", "/bin/sh", "-c", com, 0);
231 snprintf(buf, 256, "\n[fork failed]\n");
232 write(p->outfd, buf, strlen(buf));
235 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
239 signal(SIGCHLD, dconschat_sigchld);
240 EV_SET(&kev, p->infd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
241 kevent(sc.kq, &kev, 1, NULL, 0, &sc.zero);
247 dconschat_cleanup(int sig)
249 struct dcons_state *dc;
254 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->tsave);
257 printf("\n[dconschat exiting with signal %d ...]\n", sig);
259 printf("\n[dconschat exiting...]\n");
266 dconschat_get_crom(struct dcons_state *dc)
270 u_int32_t buf, hi = 0, lo = 0, reset_hi = 0, reset_lo = 0;
273 reg = (struct csrreg *)&buf;
275 addr = (addr << 32) | 0xf0000400;
276 for (i = 20; i < 0x400; i += 4) {
277 if (dread(dc, &buf, 4, addr + i) < 0) {
279 warn("crom read faild");
284 printf("%d %02x %06x\n", state, reg->key, reg->val);
287 if (reg->key == CSRKEY_SPEC &&
288 reg->val == CSRVAL_VENDOR_PRIVATE)
292 if (reg->key == CSRKEY_VER &&
293 reg->val == DCONS_CSR_VAL_VER)
298 case DCONS_CSR_KEY_HI:
301 case DCONS_CSR_KEY_LO:
304 case DCONS_CSR_KEY_RESET_HI:
307 case DCONS_CSR_KEY_RESET_LO:
321 printf("addr: %06x %06x\n", hi, lo);
322 dc->paddr = ((off_t)hi << 24) | lo;
323 dc->reset = ((off_t)reset_hi << 24) | reset_lo;
331 dconschat_ready(struct dcons_state *dc, int ready, char *reason)
333 static char oldreason[64] = "";
336 old = (dc->flags & F_READY) ? 1 : 0;
339 dc->flags |= F_READY;
341 printf("[dcons connected]\r\n");
344 dc->flags &= ~F_READY;
345 if (strncmp(oldreason, reason, sizeof(oldreason)) != 0) {
346 printf("[dcons disconnected (%s)]\r\n", reason);
347 strlcpy(oldreason, reason, sizeof(oldreason));
353 dconschat_fetch_header(struct dcons_state *dc)
356 struct dcons_buf dbuf;
360 if (dc->paddr == 0 && (dc->flags & F_USE_CROM) != 0) {
361 if (dconschat_get_crom(dc)) {
362 dconschat_ready(dc, 0, "get crom failed");
368 if (dread(dc, &dbuf, DCONS_HEADER_SIZE, dc->paddr) < 0) {
369 dconschat_ready(dc, 0, "read header failed");
372 if (dbuf.magic != htonl(DCONS_MAGIC)) {
373 if ((dc->flags & F_USE_CROM) !=0)
375 snprintf(ebuf, sizeof(ebuf), "wrong magic 0x%08x", dbuf.magic);
376 dconschat_ready(dc, 0, ebuf);
379 if (ntohl(dbuf.version) != DCONS_VERSION) {
380 snprintf(ebuf, sizeof(ebuf),
381 #if __FreeBSD_version < 500000
382 "wrong version %ld,%d",
384 "wrong version %d,%d",
386 ntohl(dbuf.version), DCONS_VERSION);
388 dconschat_ready(dc, 0, ebuf);
392 for (j = 0; j < DCONS_NPORT; j++) {
393 struct dcons_ch *o, *i;
398 newbuf = dc->paddr + ntohl(dbuf.ooffset[j]);
399 o->size = ntohl(dbuf.osize[j]);
401 if (newbuf != o->buf) {
402 /* buffer address has changes */
404 o->gen = ntohl(dbuf.optr[j]) >> DCONS_GEN_SHIFT;
405 o->pos = ntohl(dbuf.optr[j]) & DCONS_POS_MASK;
410 i->size = ntohl(dbuf.isize[j]);
411 i->gen = ntohl(dbuf.iptr[j]) >> DCONS_GEN_SHIFT;
412 i->pos = ntohl(dbuf.iptr[j]) & DCONS_POS_MASK;
413 i->buf = dc->paddr + ntohl(dbuf.ioffset[j]);
416 printf("port %d size offset gen pos\n", j);
417 #if __FreeBSD_version < 500000
418 printf("output: %5d %6ld %5d %5d\n"
419 "input : %5d %6ld %5d %5d\n",
421 printf("output: %5d %6d %5d %5d\n"
422 "input : %5d %6d %5d %5d\n",
424 o->size, ntohl(dbuf.ooffset[j]), o->gen, o->pos,
425 i->size, ntohl(dbuf.ioffset[j]), i->gen, i->pos);
428 if (IS_CONSOLE(&dc->port[j]) && new &&
429 (dc->flags & F_REPLAY) !=0) {
436 dconschat_ready(dc, 1, NULL);
441 dconschat_get_ptr (struct dcons_state *dc) {
443 u_int32_t ptr[DCONS_NPORT*2+1];
444 static int retry = RETRY;
448 dlen = dread(dc, &ptr, sizeof(ptr),
449 dc->paddr + __offsetof(struct dcons_buf, magic));
452 if (errno == ETIMEDOUT)
455 dconschat_ready(dc, 0, "get ptr failed");
458 if (ptr[0] != htonl(DCONS_MAGIC)) {
459 if ((dc->flags & F_USE_CROM) !=0)
461 snprintf(ebuf, sizeof(ebuf), "wrong magic 0x%08x", ptr[0]);
462 dconschat_ready(dc, 0, ebuf);
466 for (i = 0; i < DCONS_NPORT; i ++) {
467 dc->port[i].optr = ntohl(ptr[i + 1]);
468 dc->port[i].iptr = ntohl(ptr[DCONS_NPORT + i + 1]);
473 #define MAX_XFER 2048
475 dconschat_read_dcons(struct dcons_state *dc, int port, char *buf, int len)
478 u_int32_t ptr, pos, gen, next_gen;
479 int rlen, dlen, lost;
482 ch = &dc->port[port].o;
483 ptr = dc->port[port].optr;
484 gen = ptr >> DCONS_GEN_SHIFT;
485 pos = ptr & DCONS_POS_MASK;
486 if (gen == ch->gen && pos == ch->pos)
489 next_gen = DCONS_NEXT_GEN(ch->gen);
490 /* XXX sanity check */
491 if (gen == ch->gen) {
494 lost = ch->size * DCONS_GEN_MASK - ch->pos;
496 } else if (gen == next_gen) {
499 lost = pos - ch->pos;
502 lost = gen - ch->gen;
504 lost += DCONS_GEN_MASK;
506 printf("[genskip %d]", lost);
507 lost = lost * ch->size - ch->pos;
511 /* generation skipped !! */
514 printf("[lost %d]", lost);
517 rlen = pos - ch->pos;
519 rlen = ch->size - ch->pos;
528 printf("[%d]", rlen); fflush(stdout);
532 dlen = dread(dc, buf, rlen, ch->buf + ch->pos);
534 if (errno == ETIMEDOUT)
537 dconschat_ready(dc, 0, "read buffer failed");
541 warnx("dlen(%d) != rlen(%d)\n", dlen, rlen);
543 if (ch->pos >= ch->size) {
547 printf("read_dcons: gen=%d", ch->gen);
553 dconschat_write_dcons(struct dcons_state *dc, int port, char *buf, int blen)
560 ch = &dc->port[port].i;
561 ptr = dc->port[port].iptr;
563 /* the others may advance the pointer sync with it */
564 ch->gen = ptr >> DCONS_GEN_SHIFT;
565 ch->pos = ptr & DCONS_POS_MASK;
568 wlen = MIN(blen, ch->size - ch->pos);
569 wlen = MIN(wlen, MAX_XFER);
570 len = dwrite(dc, buf, wlen, ch->buf + ch->pos);
572 if (errno == ETIMEDOUT)
574 continue; /* try again */
575 dconschat_ready(dc, 0, "write buffer failed");
581 if (ch->pos >= ch->size) {
582 ch->gen = DCONS_NEXT_GEN(ch->gen);
585 printf("write_dcons: gen=%d", ch->gen);
590 ptr = DCONS_MAKE_PTR(ch);
591 dc->port[port].iptr = ptr;
594 printf("(iptr: 0x%x)", ptr);
596 len = dwrite(dc, &ptr, sizeof(u_int32_t),
597 dc->paddr + __offsetof(struct dcons_buf, iptr[port]));
599 if (errno == ETIMEDOUT)
602 dconschat_ready(dc, 0, "write ptr failed");
610 dconschat_write_socket(int fd, char *buf, int len)
615 printf("<- %s\n", buf);
621 dconschat_init_socket(struct dcons_state *dc, int port, char *host, int sport)
623 struct addrinfo hints, *res;
627 struct dcons_port *p;
632 p->infd = p->outfd = -1;
639 /* Use stdin and stdout */
640 p->infd = STDIN_FILENO;
641 p->outfd = STDOUT_FILENO;
644 tcgetattr(STDIN_FILENO, &dc->tsave) == 0) {
645 dc->traw = dc->tsave;
646 cfmakeraw(&dc->traw);
647 tcsetattr(STDIN_FILENO, TCSADRAIN, &dc->traw);
650 EV_SET(&kev, p->infd, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1,
652 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
656 memset(&hints, 0, sizeof(hints));
657 hints.ai_flags = AI_PASSIVE;
658 #if 1 /* gdb can talk v4 only */
659 hints.ai_family = PF_INET;
661 hints.ai_family = PF_UNSPEC;
663 hints.ai_socktype = SOCK_STREAM;
664 hints.ai_protocol = 0;
667 printf("%s:%d for port %d\n",
668 host == NULL ? "*" : host, sport, port);
669 snprintf(service, sizeof(service), "%d", sport);
670 error = getaddrinfo(host, service, &hints, &res);
672 errx(1, "tcp/%s: %s\n", service, gai_strerror(error));
674 p->s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
677 setsockopt(p->s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
679 if (bind(p->s, p->res->ai_addr, p->res->ai_addrlen) < 0) {
682 if (listen(p->s, 1) < 0)
684 EV_SET(&kev, p->s, EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, (void *)p);
685 error = kevent(dc->kq, &kev, 1, NULL, 0, &dc->to);
692 dconschat_accept_socket(struct dcons_state *dc, struct dcons_port *p)
698 /* accept connection */
699 addrlen = p->res->ai_addrlen;
700 ns = accept(p->s, p->res->ai_addr, &addrlen);
704 printf("port%d accepted\n", p->port);
706 flags = fcntl(ns, F_GETFL, 0);
708 fcntl(ns, F_SETFL, flags);
710 if (IS_CONSOLE(p) && (dc->flags & F_TELNET) != 0) {
711 char sga[] = {IAC, WILL, TELOPT_SGA};
712 char linemode[] = {IAC, DONT, TELOPT_LINEMODE};
713 char echo[] = {IAC, WILL, TELOPT_ECHO};
714 char bin[] = {IAC, DO, TELOPT_BINARY};
716 write(ns, sga, sizeof(sga));
717 write(ns, linemode, sizeof(linemode));
718 write(ns, echo, sizeof(echo));
719 write(ns, bin, sizeof(bin));
723 /* discard backlog on GDB port */
728 while ((len = dconschat_read_dcons(dc, DCONS_GDB, &buf[0],
731 printf("discard %d chars on GDB port\n", len);
734 p->infd = p->outfd = ns;
735 EV_SET(&kev, ns, EVFILT_READ, EV_ADD, NOTE_LOWAT, 1, (void *)p);
736 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
741 dconschat_read_filter(struct dcons_state *dc, struct dcons_port *p,
742 u_char *sp, int slen, u_char *dp, int *dlen)
750 if ((dc->flags & F_TELNET) != 0) {
751 /* XXX Telnet workarounds */
752 if (p->skip_read -- > 0) {
767 printf("(0 stripped)");
773 switch (dc->escape_state) {
775 if (*sp == dc->escape) {
777 dc->escape_state = STATE2;
779 dc->escape_state = STATE0;
782 dc->escape_state = STATE0;
785 dconschat_cleanup(0);
786 else if (*sp == CTRL('B')) {
787 bcopy(abreak, dp, 3);
791 else if (*sp == CTRL('G'))
792 dconschat_fork_gdb(dc, p);
793 else if ((*sp == CTRL('R'))
794 && (dc->reset != 0)) {
795 dc->escape_state = STATE3;
796 buf = "\r\n[Are you sure to reset target? (y/N)]";
797 write(p->outfd, buf, strlen(buf));
798 } else if (*sp == CTRL('Z'))
799 dconschat_suspend(dc, p);
807 dc->escape_state = STATE0;
810 dconschat_reset_target(dc, p);
812 write(p->outfd, sp, 1);
813 write(p->outfd, "\r\n", 2);
818 dc->escape_state = STATE1;
819 } else if (IS_GDB(p)) {
820 /* GDB: ^C -> CR+~+^B */
821 if (*sp == CTRL('C') && (dc->flags & F_ALT_BREAK) != 0) {
822 bcopy(abreak, dp, 3);
826 /* discard rest of the packet */
843 dconschat_read_socket(struct dcons_state *dc, struct dcons_port *p)
847 char rbuf[MAX_XFER], wbuf[MAX_XFER+2];
849 if ((len = read(p->infd, rbuf, sizeof(rbuf))) > 0) {
851 dconschat_read_filter(dc, p, rbuf, len, wbuf, &wlen);
852 /* XXX discard if not ready*/
853 if (wlen > 0 && (dc->flags & F_READY) != 0) {
854 dconschat_write_dcons(dc, p->port, wbuf, wlen);
857 printf("-> %s\n", wbuf);
858 } else if (verbose == 1) {
859 printf("(%d)", wlen);
866 warnx("port%d: closed", p->port);
868 warn("port%d: read", p->port);
870 EV_SET(&kev, p->infd, EVFILT_READ,
871 EV_DELETE, 0, 0, NULL);
872 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
875 /* XXX exit for pipe case XXX */
876 EV_SET(&kev, p->s, EVFILT_READ,
877 EV_ADD | EV_ONESHOT, 0, 0, (void *) p);
878 kevent(dc->kq, &kev, 1, NULL, 0, &dc->zero);
879 p->infd = p->outfd = -1;
885 dconschat_proc_socket(struct dcons_state *dc)
887 struct kevent elist[NEVENT], *e;
889 struct dcons_port *p;
891 n = kevent(dc->kq, NULL, 0, elist, NEVENT, &dc->to);
892 for (i = 0; i < n; i ++) {
894 p = (struct dcons_port *)e->udata;
895 if (e->ident == p->s) {
896 dconschat_accept_socket(dc, p);
898 dconschat_read_socket(dc, p);
905 dconschat_proc_dcons(struct dcons_state *dc)
909 struct dcons_port *p;
911 err = dconschat_get_ptr(dc);
913 /* XXX we should stop write operation too. */
916 for (port = 0; port < DCONS_NPORT; port ++) {
920 while ((len = dconschat_read_dcons(dc, port, buf,
922 dconschat_write_socket(p->outfd, buf, len);
923 if ((err = dconschat_get_ptr(dc)))
926 if ((dc->flags & F_ONE_SHOT) != 0 && len <= 0)
927 dconschat_cleanup(0);
933 dconschat_start_session(struct dcons_state *dc)
937 int retry_unit_init = MAX(1, poll_hz / 10);
938 int retry_unit_offline = poll_hz * DCONS_POLL_OFFLINE;
939 int retry_unit = retry_unit_init;
940 int retry_max = retry_unit_offline / retry_unit;
943 if (((dc->flags & F_READY) == 0) && ++counter > retry_unit) {
946 if (retry > retry_max)
947 retry_unit = retry_unit_offline;
949 printf("%d/%d ", retry, retry_max);
952 dconschat_fetch_header(dc);
954 if ((dc->flags & F_READY) != 0) {
957 retry_unit = retry_unit_init;
958 dconschat_proc_dcons(dc);
960 dconschat_proc_socket(dc);
969 "usage: dconschat [-brvwRT1] [-h hz] [-C port] [-G port]\n"
970 "\t\t\t[-M core] [-N system]\n"
971 "\t\t\t[-u unit] [-a address] [-t target_eui64]\n"
972 "\t-b translate ctrl-C to CR+~+ctrl-B on gdb port\n"
974 "\t-w listen on wildcard address rather than localhost\n"
975 "\t-r replay old buffer on connection\n"
977 "\t-T enable Telnet protocol workaround on console port\n"
978 "\t-1 one shot: read buffer and exit\n"
979 "\t-h polling rate\n"
980 "\t-C port number for console port\n"
981 "\t-G port number for gdb port\n"
986 "\t-u specify unit number of the bus\n"
987 "\t-t EUI64 of target host (must be specified)\n"
988 "\t-a physical address of dcons buffer on target host\n"
993 main(int argc, char **argv)
995 struct dcons_state *dc;
998 char devname[256], *core = NULL, *system = NULL;
1000 int unit=0, wildcard=0;
1001 int port[DCONS_NPORT];
1003 bzero(&sc, sizeof(sc));
1005 dc->flags |= USE_CROM ? F_USE_CROM : 0;
1008 port[0] = 0; /* stdin/out for console */
1009 port[1] = -1; /* disable gdb port */
1011 /* default escape char */
1012 dc->escape = KEY_TILDE;
1014 while ((ch = getopt(argc, argv, "a:be:h:rt:u:vwC:G:M:N:RT1")) != -1) {
1017 dc->paddr = strtoull(optarg, NULL, 0);
1018 dc->flags &= ~F_USE_CROM;
1021 dc->flags |= F_ALT_BREAK;
1024 dc->escape = optarg[0];
1027 poll_hz = strtoul(optarg, NULL, 0);
1029 poll_hz = DCONS_POLL_HZ;
1032 dc->flags |= F_REPLAY;
1035 if (eui64_hostton(optarg, &target) != 0 &&
1036 eui64_aton(optarg, &target) != 0)
1037 errx(1, "invalid target: %s", optarg);
1038 eui.hi = ntohl(*(u_int32_t*)&(target.octet[0]));
1039 eui.lo = ntohl(*(u_int32_t*)&(target.octet[4]));
1043 unit = strtol(optarg, NULL, 0);
1052 port[0] = strtol(optarg, NULL, 0);
1055 port[1] = strtol(optarg, NULL, 0);
1064 dc->flags |= F_RD_ONLY;
1067 dc->flags |= F_TELNET;
1070 dc->flags |= F_ONE_SHOT | F_REPLAY;
1076 if (dc->paddr == 0 && (dc->flags & F_USE_CROM) == 0) {
1077 warnx("no address specified");
1081 if (port[0] < 0 && port[1] < 0) {
1082 warnx("no port specified");
1086 /* set signal handler */
1087 signal(SIGHUP, dconschat_cleanup);
1088 signal(SIGINT, dconschat_cleanup);
1089 signal(SIGPIPE, dconschat_cleanup);
1090 signal(SIGTERM, dconschat_cleanup);
1096 for (i = 0; i < MAXDEV; i ++) {
1097 snprintf(devname, sizeof(devname),
1098 "/dev/fwmem%d.%d", unit, i);
1099 dc->fd = open(devname, O_RDWR);
1105 error = ioctl(dc->fd, FW_SDEUI64, &eui);
1111 struct nlist nl[] = {{"dcons_buf"}, {""}};
1114 dc->kd = kvm_open(system, core, NULL,
1115 (dc->flags & F_RD_ONLY) ? O_RDONLY : O_RDWR, "dconschat");
1117 errx(1, "kvm_open");
1119 if (kvm_nlist(dc->kd, nl) < 0)
1120 errx(1, "kvm_nlist: %s", kvm_geterr(dc->kd));
1122 if (kvm_read(dc->kd, nl[0].n_value, &dcons_buf,
1123 sizeof(void *)) < 0)
1124 errx(1, "kvm_read: %s", kvm_geterr(dc->kd));
1125 dc->paddr = (uintptr_t)dcons_buf;
1127 printf("dcons_buf: 0x%x\n", (uint)dc->paddr);
1131 dconschat_fetch_header(dc);
1140 dc->to.tv_nsec = 1000 * 1000 * 1000 / poll_hz;
1142 dc->zero.tv_sec = 0;
1143 dc->zero.tv_nsec = 0;
1144 for (i = 0; i < DCONS_NPORT; i++)
1145 dconschat_init_socket(dc, i,
1146 wildcard ? NULL : "localhost", port[i]);
1148 dconschat_start_session(dc);
1150 for (i = 0; i < DCONS_NPORT; i++) {
1151 freeaddrinfo(dc->port[i].res);