4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu-common.h"
28 #include "qemu-timer.h"
29 #include "qemu-char.h"
43 #include <sys/times.h>
47 #include <sys/ioctl.h>
48 #include <sys/socket.h>
49 #include <netinet/in.h>
52 #include <sys/select.h>
53 #include <arpa/inet.h>
56 #if !defined(__APPLE__) && !defined(__OpenBSD__)
62 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
63 #include <freebsd/stdlib.h>
69 #include <linux/ppdev.h>
70 #include <linux/parport.h>
74 #include <sys/ethernet.h>
75 #include <sys/sockio.h>
76 #include <netinet/arp.h>
77 #include <netinet/in.h>
78 #include <netinet/in_systm.h>
79 #include <netinet/ip.h>
80 #include <netinet/ip_icmp.h> // must come after ip.h
81 #include <netinet/udp.h>
82 #include <netinet/tcp.h>
90 #include "qemu_socket.h"
92 /***********************************************************/
93 /* character device */
95 static void qemu_chr_event(CharDriverState *s, int event)
99 s->chr_event(s->handler_opaque, event);
102 static void qemu_chr_reset_bh(void *opaque)
104 CharDriverState *s = opaque;
105 qemu_chr_event(s, CHR_EVENT_RESET);
106 qemu_bh_delete(s->bh);
110 void qemu_chr_reset(CharDriverState *s)
113 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
114 qemu_bh_schedule(s->bh);
118 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
120 return s->chr_write(s, buf, len);
123 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
127 return s->chr_ioctl(s, cmd, arg);
130 int qemu_chr_can_read(CharDriverState *s)
132 if (!s->chr_can_read)
134 return s->chr_can_read(s->handler_opaque);
137 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
139 s->chr_read(s->handler_opaque, buf, len);
142 void qemu_chr_accept_input(CharDriverState *s)
144 if (s->chr_accept_input)
145 s->chr_accept_input(s);
148 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
153 vsnprintf(buf, sizeof(buf), fmt, ap);
154 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
158 void qemu_chr_send_event(CharDriverState *s, int event)
160 if (s->chr_send_event)
161 s->chr_send_event(s, event);
164 void qemu_chr_add_handlers(CharDriverState *s,
165 IOCanRWHandler *fd_can_read,
166 IOReadHandler *fd_read,
167 IOEventHandler *fd_event,
170 s->chr_can_read = fd_can_read;
171 s->chr_read = fd_read;
172 s->chr_event = fd_event;
173 s->handler_opaque = opaque;
174 if (s->chr_update_read_handler)
175 s->chr_update_read_handler(s);
178 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
183 static CharDriverState *qemu_chr_open_null(void)
185 CharDriverState *chr;
187 chr = qemu_mallocz(sizeof(CharDriverState));
190 chr->chr_write = null_chr_write;
194 /* MUX driver for serial I/O splitting */
195 static int term_timestamps;
196 static int64_t term_timestamps_start;
198 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
199 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
201 IOCanRWHandler *chr_can_read[MAX_MUX];
202 IOReadHandler *chr_read[MAX_MUX];
203 IOEventHandler *chr_event[MAX_MUX];
204 void *ext_opaque[MAX_MUX];
205 CharDriverState *drv;
206 unsigned char buffer[MUX_BUFFER_SIZE];
215 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
217 MuxDriver *d = chr->opaque;
219 if (!term_timestamps) {
220 ret = d->drv->chr_write(d->drv, buf, len);
225 for(i = 0; i < len; i++) {
226 ret += d->drv->chr_write(d->drv, buf+i, 1);
227 if (buf[i] == '\n') {
232 ti = qemu_get_clock(rt_clock);
233 if (term_timestamps_start == -1)
234 term_timestamps_start = ti;
235 ti -= term_timestamps_start;
236 secs = ti / 1000000000;
237 snprintf(buf1, sizeof(buf1),
238 "[%02d:%02d:%02d.%03d] ",
242 (int)((ti / 1000000) % 1000));
243 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
250 static const char * const mux_help[] = {
251 "% h print this help\n\r",
252 "% x exit emulator\n\r",
253 "% s save disk data back to file (if -snapshot)\n\r",
254 "% t toggle console timestamps\n\r"
255 "% b send break (magic sysrq)\n\r",
256 "% c switch between console and monitor\n\r",
261 int term_escape_char = 0x01; /* ctrl-a is used for escape */
262 static void mux_print_help(CharDriverState *chr)
265 char ebuf[15] = "Escape-Char";
266 char cbuf[50] = "\n\r";
268 if (term_escape_char > 0 && term_escape_char < 26) {
269 snprintf(cbuf, sizeof(cbuf), "\n\r");
270 snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
272 snprintf(cbuf, sizeof(cbuf),
273 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
276 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
277 for (i = 0; mux_help[i] != NULL; i++) {
278 for (j=0; mux_help[i][j] != '\0'; j++) {
279 if (mux_help[i][j] == '%')
280 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
282 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
287 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
289 if (d->term_got_escape) {
290 d->term_got_escape = 0;
291 if (ch == term_escape_char)
300 const char *term = "QEMU: Terminated\n\r";
301 chr->chr_write(chr,(uint8_t *)term,strlen(term));
308 for (i = 0; i < nb_drives; i++) {
309 bdrv_commit(drives_table[i].bdrv);
314 qemu_chr_event(chr, CHR_EVENT_BREAK);
317 /* Switch to the next registered device */
319 if (chr->focus >= d->mux_cnt)
323 term_timestamps = !term_timestamps;
324 term_timestamps_start = -1;
327 } else if (ch == term_escape_char) {
328 d->term_got_escape = 1;
336 static void mux_chr_accept_input(CharDriverState *chr)
339 MuxDriver *d = chr->opaque;
341 while (d->prod != d->cons &&
342 d->chr_can_read[m] &&
343 d->chr_can_read[m](d->ext_opaque[m])) {
344 d->chr_read[m](d->ext_opaque[m],
345 &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
349 static int mux_chr_can_read(void *opaque)
351 CharDriverState *chr = opaque;
352 MuxDriver *d = chr->opaque;
354 if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
356 if (d->chr_can_read[chr->focus])
357 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
361 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
363 CharDriverState *chr = opaque;
364 MuxDriver *d = chr->opaque;
368 mux_chr_accept_input (opaque);
370 for(i = 0; i < size; i++)
371 if (mux_proc_byte(chr, d, buf[i])) {
372 if (d->prod == d->cons &&
373 d->chr_can_read[m] &&
374 d->chr_can_read[m](d->ext_opaque[m]))
375 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
377 d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
381 static void mux_chr_event(void *opaque, int event)
383 CharDriverState *chr = opaque;
384 MuxDriver *d = chr->opaque;
387 /* Send the event to all registered listeners */
388 for (i = 0; i < d->mux_cnt; i++)
390 d->chr_event[i](d->ext_opaque[i], event);
393 static void mux_chr_update_read_handler(CharDriverState *chr)
395 MuxDriver *d = chr->opaque;
397 if (d->mux_cnt >= MAX_MUX) {
398 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
401 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
402 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
403 d->chr_read[d->mux_cnt] = chr->chr_read;
404 d->chr_event[d->mux_cnt] = chr->chr_event;
405 /* Fix up the real driver with mux routines */
406 if (d->mux_cnt == 0) {
407 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
410 chr->focus = d->mux_cnt;
414 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
416 CharDriverState *chr;
419 chr = qemu_mallocz(sizeof(CharDriverState));
422 d = qemu_mallocz(sizeof(MuxDriver));
431 chr->chr_write = mux_chr_write;
432 chr->chr_update_read_handler = mux_chr_update_read_handler;
433 chr->chr_accept_input = mux_chr_accept_input;
439 int send_all(int fd, const uint8_t *buf, int len1)
445 ret = send(fd, buf, len, 0);
448 errno = WSAGetLastError();
449 if (errno != WSAEWOULDBLOCK) {
452 } else if (ret == 0) {
464 static int unix_write(int fd, const uint8_t *buf, int len1)
470 ret = write(fd, buf, len);
472 if (errno != EINTR && errno != EAGAIN)
474 } else if (ret == 0) {
484 int send_all(int fd, const uint8_t *buf, int len1)
486 return unix_write(fd, buf, len1);
497 #define STDIO_MAX_CLIENTS 1
498 static int stdio_nb_clients = 0;
500 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
502 FDCharDriver *s = chr->opaque;
503 return send_all(s->fd_out, buf, len);
506 static int fd_chr_read_poll(void *opaque)
508 CharDriverState *chr = opaque;
509 FDCharDriver *s = chr->opaque;
511 s->max_size = qemu_chr_can_read(chr);
515 static void fd_chr_read(void *opaque)
517 CharDriverState *chr = opaque;
518 FDCharDriver *s = chr->opaque;
523 if (len > s->max_size)
527 size = read(s->fd_in, buf, len);
529 /* FD has been closed. Remove it from the active list. */
530 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
534 qemu_chr_read(chr, buf, size);
538 static void fd_chr_update_read_handler(CharDriverState *chr)
540 FDCharDriver *s = chr->opaque;
543 if (nographic && s->fd_in == 0) {
545 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
546 fd_chr_read, NULL, chr);
551 static void fd_chr_close(struct CharDriverState *chr)
553 FDCharDriver *s = chr->opaque;
556 if (nographic && s->fd_in == 0) {
558 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
565 /* open a character device to a unix fd */
566 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
568 CharDriverState *chr;
571 chr = qemu_mallocz(sizeof(CharDriverState));
574 s = qemu_mallocz(sizeof(FDCharDriver));
582 chr->chr_write = fd_chr_write;
583 chr->chr_update_read_handler = fd_chr_update_read_handler;
584 chr->chr_close = fd_chr_close;
591 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
595 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
598 return qemu_chr_open_fd(-1, fd_out);
601 static CharDriverState *qemu_chr_open_pipe(const char *filename)
604 char filename_in[256], filename_out[256];
606 snprintf(filename_in, 256, "%s.in", filename);
607 snprintf(filename_out, 256, "%s.out", filename);
608 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
609 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
610 if (fd_in < 0 || fd_out < 0) {
615 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
619 return qemu_chr_open_fd(fd_in, fd_out);
623 /* for STDIO, we handle the case where several clients use it
626 #define TERM_FIFO_MAX_SIZE 1
628 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
629 static int term_fifo_size;
631 static int stdio_read_poll(void *opaque)
633 CharDriverState *chr = opaque;
635 /* try to flush the queue if needed */
636 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
637 qemu_chr_read(chr, term_fifo, 1);
640 /* see if we can absorb more chars */
641 if (term_fifo_size == 0)
647 static void stdio_read(void *opaque)
651 CharDriverState *chr = opaque;
653 size = read(0, buf, 1);
655 /* stdin has been closed. Remove it from the active list. */
656 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
660 if (qemu_chr_can_read(chr) > 0) {
661 qemu_chr_read(chr, buf, 1);
662 } else if (term_fifo_size == 0) {
663 term_fifo[term_fifo_size++] = buf[0];
668 /* init terminal so that we can grab keys */
669 static struct termios oldtty;
670 static int old_fd0_flags;
671 static int term_atexit_done;
673 static void term_exit(void)
675 tcsetattr (0, TCSANOW, &oldtty);
676 fcntl(0, F_SETFL, old_fd0_flags);
679 static void term_init(void)
685 old_fd0_flags = fcntl(0, F_GETFL);
687 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
688 |INLCR|IGNCR|ICRNL|IXON);
689 tty.c_oflag |= OPOST;
690 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
691 /* if graphical mode, we allow Ctrl-C handling */
693 tty.c_lflag &= ~ISIG;
694 tty.c_cflag &= ~(CSIZE|PARENB);
699 tcsetattr (0, TCSANOW, &tty);
701 if (!term_atexit_done++)
704 fcntl(0, F_SETFL, O_NONBLOCK);
707 static void qemu_chr_close_stdio(struct CharDriverState *chr)
711 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
715 static CharDriverState *qemu_chr_open_stdio(void)
717 CharDriverState *chr;
719 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
721 chr = qemu_chr_open_fd(0, 1);
722 chr->chr_close = qemu_chr_close_stdio;
723 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
731 /* Once Solaris has openpty(), this is going to be removed. */
732 int openpty(int *amaster, int *aslave, char *name,
733 struct termios *termp, struct winsize *winp)
736 int mfd = -1, sfd = -1;
738 *amaster = *aslave = -1;
740 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
744 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
747 if ((slave = ptsname(mfd)) == NULL)
750 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
753 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
754 (termp != NULL && tcgetattr(sfd, termp) < 0))
762 ioctl(sfd, TIOCSWINSZ, winp);
773 void cfmakeraw (struct termios *termios_p)
775 termios_p->c_iflag &=
776 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
777 termios_p->c_oflag &= ~OPOST;
778 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
779 termios_p->c_cflag &= ~(CSIZE|PARENB);
780 termios_p->c_cflag |= CS8;
782 termios_p->c_cc[VMIN] = 0;
783 termios_p->c_cc[VTIME] = 0;
787 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
788 || defined(__NetBSD__) || defined(__OpenBSD__)
798 static void pty_chr_update_read_handler(CharDriverState *chr);
799 static void pty_chr_state(CharDriverState *chr, int connected);
801 static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
803 PtyCharDriver *s = chr->opaque;
806 /* guest sends data, check for (re-)connect */
807 pty_chr_update_read_handler(chr);
810 return send_all(s->fd, buf, len);
813 static int pty_chr_read_poll(void *opaque)
815 CharDriverState *chr = opaque;
816 PtyCharDriver *s = chr->opaque;
818 s->read_bytes = qemu_chr_can_read(chr);
819 return s->read_bytes;
822 static void pty_chr_read(void *opaque)
824 CharDriverState *chr = opaque;
825 PtyCharDriver *s = chr->opaque;
830 if (len > s->read_bytes)
834 size = read(s->fd, buf, len);
835 if ((size == -1 && errno == EIO) ||
837 pty_chr_state(chr, 0);
841 pty_chr_state(chr, 1);
842 qemu_chr_read(chr, buf, size);
846 static void pty_chr_update_read_handler(CharDriverState *chr)
848 PtyCharDriver *s = chr->opaque;
850 qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
851 pty_chr_read, NULL, chr);
854 * Short timeout here: just need wait long enougth that qemu makes
855 * it through the poll loop once. When reconnected we want a
856 * short timeout so we notice it almost instantly. Otherwise
857 * read() gives us -EIO instantly, making pty_chr_state() reset the
858 * timeout to the normal (much longer) poll interval before the
861 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
864 static void pty_chr_state(CharDriverState *chr, int connected)
866 PtyCharDriver *s = chr->opaque;
869 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
872 /* (re-)connect poll interval for idle guests: once per second.
873 * We check more frequently in case the guests sends data to
874 * the virtual device linked to our pty. */
875 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
883 static void pty_chr_timer(void *opaque)
885 struct CharDriverState *chr = opaque;
886 PtyCharDriver *s = chr->opaque;
891 /* If we arrive here without polling being cleared due
892 * read returning -EIO, then we are (re-)connected */
893 pty_chr_state(chr, 1);
898 pty_chr_update_read_handler(chr);
901 static void pty_chr_close(struct CharDriverState *chr)
903 PtyCharDriver *s = chr->opaque;
905 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
910 static CharDriverState *qemu_chr_open_pty(void)
912 CharDriverState *chr;
916 #if defined(__OpenBSD__)
917 char pty_name[PATH_MAX];
918 #define q_ptsname(x) pty_name
920 char *pty_name = NULL;
921 #define q_ptsname(x) ptsname(x)
924 chr = qemu_mallocz(sizeof(CharDriverState));
927 s = qemu_mallocz(sizeof(PtyCharDriver));
933 if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
937 /* Set raw attributes on the pty. */
939 tcsetattr(slave_fd, TCSAFLUSH, &tty);
942 len = strlen(q_ptsname(s->fd)) + 5;
943 chr->filename = qemu_malloc(len);
944 snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
945 fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
948 chr->chr_write = pty_chr_write;
949 chr->chr_update_read_handler = pty_chr_update_read_handler;
950 chr->chr_close = pty_chr_close;
952 s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
957 static void tty_serial_init(int fd, int speed,
958 int parity, int data_bits, int stop_bits)
964 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
965 speed, parity, data_bits, stop_bits);
967 tcgetattr (fd, &tty);
970 if (speed <= 50 * MARGIN)
972 else if (speed <= 75 * MARGIN)
974 else if (speed <= 300 * MARGIN)
976 else if (speed <= 600 * MARGIN)
978 else if (speed <= 1200 * MARGIN)
980 else if (speed <= 2400 * MARGIN)
982 else if (speed <= 4800 * MARGIN)
984 else if (speed <= 9600 * MARGIN)
986 else if (speed <= 19200 * MARGIN)
988 else if (speed <= 38400 * MARGIN)
990 else if (speed <= 57600 * MARGIN)
992 else if (speed <= 115200 * MARGIN)
997 cfsetispeed(&tty, spd);
998 cfsetospeed(&tty, spd);
1000 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1001 |INLCR|IGNCR|ICRNL|IXON);
1002 tty.c_oflag |= OPOST;
1003 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1004 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1025 tty.c_cflag |= PARENB;
1028 tty.c_cflag |= PARENB | PARODD;
1032 tty.c_cflag |= CSTOPB;
1034 tcsetattr (fd, TCSANOW, &tty);
1037 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1039 FDCharDriver *s = chr->opaque;
1042 case CHR_IOCTL_SERIAL_SET_PARAMS:
1044 QEMUSerialSetParams *ssp = arg;
1045 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1046 ssp->data_bits, ssp->stop_bits);
1049 case CHR_IOCTL_SERIAL_SET_BREAK:
1051 int enable = *(int *)arg;
1053 tcsendbreak(s->fd_in, 1);
1056 case CHR_IOCTL_SERIAL_GET_TIOCM:
1059 int *targ = (int *)arg;
1060 ioctl(s->fd_in, TIOCMGET, &sarg);
1062 if (sarg | TIOCM_CTS)
1063 *targ |= CHR_TIOCM_CTS;
1064 if (sarg | TIOCM_CAR)
1065 *targ |= CHR_TIOCM_CAR;
1066 if (sarg | TIOCM_DSR)
1067 *targ |= CHR_TIOCM_DSR;
1068 if (sarg | TIOCM_RI)
1069 *targ |= CHR_TIOCM_RI;
1070 if (sarg | TIOCM_DTR)
1071 *targ |= CHR_TIOCM_DTR;
1072 if (sarg | TIOCM_RTS)
1073 *targ |= CHR_TIOCM_RTS;
1076 case CHR_IOCTL_SERIAL_SET_TIOCM:
1078 int sarg = *(int *)arg;
1080 if (sarg | CHR_TIOCM_DTR)
1082 if (sarg | CHR_TIOCM_RTS)
1084 ioctl(s->fd_in, TIOCMSET, &targ);
1093 static CharDriverState *qemu_chr_open_tty(const char *filename)
1095 CharDriverState *chr;
1098 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
1099 tty_serial_init(fd, 115200, 'N', 8, 1);
1100 chr = qemu_chr_open_fd(fd, fd);
1105 chr->chr_ioctl = tty_serial_ioctl;
1106 qemu_chr_reset(chr);
1109 #else /* ! __linux__ && ! __sun__ */
1110 static CharDriverState *qemu_chr_open_pty(void)
1114 #endif /* __linux__ || __sun__ */
1116 #if defined(__linux__)
1120 } ParallelCharDriver;
1122 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1124 if (s->mode != mode) {
1126 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1133 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1135 ParallelCharDriver *drv = chr->opaque;
1140 case CHR_IOCTL_PP_READ_DATA:
1141 if (ioctl(fd, PPRDATA, &b) < 0)
1143 *(uint8_t *)arg = b;
1145 case CHR_IOCTL_PP_WRITE_DATA:
1146 b = *(uint8_t *)arg;
1147 if (ioctl(fd, PPWDATA, &b) < 0)
1150 case CHR_IOCTL_PP_READ_CONTROL:
1151 if (ioctl(fd, PPRCONTROL, &b) < 0)
1153 /* Linux gives only the lowest bits, and no way to know data
1154 direction! For better compatibility set the fixed upper
1156 *(uint8_t *)arg = b | 0xc0;
1158 case CHR_IOCTL_PP_WRITE_CONTROL:
1159 b = *(uint8_t *)arg;
1160 if (ioctl(fd, PPWCONTROL, &b) < 0)
1163 case CHR_IOCTL_PP_READ_STATUS:
1164 if (ioctl(fd, PPRSTATUS, &b) < 0)
1166 *(uint8_t *)arg = b;
1168 case CHR_IOCTL_PP_DATA_DIR:
1169 if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
1172 case CHR_IOCTL_PP_EPP_READ_ADDR:
1173 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1174 struct ParallelIOArg *parg = arg;
1175 int n = read(fd, parg->buffer, parg->count);
1176 if (n != parg->count) {
1181 case CHR_IOCTL_PP_EPP_READ:
1182 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1183 struct ParallelIOArg *parg = arg;
1184 int n = read(fd, parg->buffer, parg->count);
1185 if (n != parg->count) {
1190 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1191 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1192 struct ParallelIOArg *parg = arg;
1193 int n = write(fd, parg->buffer, parg->count);
1194 if (n != parg->count) {
1199 case CHR_IOCTL_PP_EPP_WRITE:
1200 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1201 struct ParallelIOArg *parg = arg;
1202 int n = write(fd, parg->buffer, parg->count);
1203 if (n != parg->count) {
1214 static void pp_close(CharDriverState *chr)
1216 ParallelCharDriver *drv = chr->opaque;
1219 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
1220 ioctl(fd, PPRELEASE);
1225 static CharDriverState *qemu_chr_open_pp(const char *filename)
1227 CharDriverState *chr;
1228 ParallelCharDriver *drv;
1231 TFR(fd = open(filename, O_RDWR));
1235 if (ioctl(fd, PPCLAIM) < 0) {
1240 drv = qemu_mallocz(sizeof(ParallelCharDriver));
1246 drv->mode = IEEE1284_MODE_COMPAT;
1248 chr = qemu_mallocz(sizeof(CharDriverState));
1254 chr->chr_write = null_chr_write;
1255 chr->chr_ioctl = pp_ioctl;
1256 chr->chr_close = pp_close;
1259 qemu_chr_reset(chr);
1263 #endif /* __linux__ */
1269 HANDLE hcom, hrecv, hsend;
1270 OVERLAPPED orecv, osend;
1275 #define NSENDBUF 2048
1276 #define NRECVBUF 2048
1277 #define MAXCONNECT 1
1278 #define NTIMEOUT 5000
1280 static int win_chr_poll(void *opaque);
1281 static int win_chr_pipe_poll(void *opaque);
1283 static void win_chr_close(CharDriverState *chr)
1285 WinCharState *s = chr->opaque;
1288 CloseHandle(s->hsend);
1292 CloseHandle(s->hrecv);
1296 CloseHandle(s->hcom);
1300 qemu_del_polling_cb(win_chr_pipe_poll, chr);
1302 qemu_del_polling_cb(win_chr_poll, chr);
1305 static int win_chr_init(CharDriverState *chr, const char *filename)
1307 WinCharState *s = chr->opaque;
1309 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1314 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1316 fprintf(stderr, "Failed CreateEvent\n");
1319 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1321 fprintf(stderr, "Failed CreateEvent\n");
1325 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1326 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1327 if (s->hcom == INVALID_HANDLE_VALUE) {
1328 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1333 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1334 fprintf(stderr, "Failed SetupComm\n");
1338 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1339 size = sizeof(COMMCONFIG);
1340 GetDefaultCommConfig(filename, &comcfg, &size);
1341 comcfg.dcb.DCBlength = sizeof(DCB);
1342 CommConfigDialog(filename, NULL, &comcfg);
1344 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1345 fprintf(stderr, "Failed SetCommState\n");
1349 if (!SetCommMask(s->hcom, EV_ERR)) {
1350 fprintf(stderr, "Failed SetCommMask\n");
1354 cto.ReadIntervalTimeout = MAXDWORD;
1355 if (!SetCommTimeouts(s->hcom, &cto)) {
1356 fprintf(stderr, "Failed SetCommTimeouts\n");
1360 if (!ClearCommError(s->hcom, &err, &comstat)) {
1361 fprintf(stderr, "Failed ClearCommError\n");
1364 qemu_add_polling_cb(win_chr_poll, chr);
1372 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1374 WinCharState *s = chr->opaque;
1375 DWORD len, ret, size, err;
1378 ZeroMemory(&s->osend, sizeof(s->osend));
1379 s->osend.hEvent = s->hsend;
1382 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1384 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1386 err = GetLastError();
1387 if (err == ERROR_IO_PENDING) {
1388 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1406 static int win_chr_read_poll(CharDriverState *chr)
1408 WinCharState *s = chr->opaque;
1410 s->max_size = qemu_chr_can_read(chr);
1414 static void win_chr_readfile(CharDriverState *chr)
1416 WinCharState *s = chr->opaque;
1421 ZeroMemory(&s->orecv, sizeof(s->orecv));
1422 s->orecv.hEvent = s->hrecv;
1423 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1425 err = GetLastError();
1426 if (err == ERROR_IO_PENDING) {
1427 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1432 qemu_chr_read(chr, buf, size);
1436 static void win_chr_read(CharDriverState *chr)
1438 WinCharState *s = chr->opaque;
1440 if (s->len > s->max_size)
1441 s->len = s->max_size;
1445 win_chr_readfile(chr);
1448 static int win_chr_poll(void *opaque)
1450 CharDriverState *chr = opaque;
1451 WinCharState *s = chr->opaque;
1455 ClearCommError(s->hcom, &comerr, &status);
1456 if (status.cbInQue > 0) {
1457 s->len = status.cbInQue;
1458 win_chr_read_poll(chr);
1465 static CharDriverState *qemu_chr_open_win(const char *filename)
1467 CharDriverState *chr;
1470 chr = qemu_mallocz(sizeof(CharDriverState));
1473 s = qemu_mallocz(sizeof(WinCharState));
1479 chr->chr_write = win_chr_write;
1480 chr->chr_close = win_chr_close;
1482 if (win_chr_init(chr, filename) < 0) {
1487 qemu_chr_reset(chr);
1491 static int win_chr_pipe_poll(void *opaque)
1493 CharDriverState *chr = opaque;
1494 WinCharState *s = chr->opaque;
1497 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1500 win_chr_read_poll(chr);
1507 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
1509 WinCharState *s = chr->opaque;
1517 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1519 fprintf(stderr, "Failed CreateEvent\n");
1522 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1524 fprintf(stderr, "Failed CreateEvent\n");
1528 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
1529 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
1530 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
1532 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
1533 if (s->hcom == INVALID_HANDLE_VALUE) {
1534 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
1539 ZeroMemory(&ov, sizeof(ov));
1540 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
1541 ret = ConnectNamedPipe(s->hcom, &ov);
1543 fprintf(stderr, "Failed ConnectNamedPipe\n");
1547 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
1549 fprintf(stderr, "Failed GetOverlappedResult\n");
1551 CloseHandle(ov.hEvent);
1558 CloseHandle(ov.hEvent);
1561 qemu_add_polling_cb(win_chr_pipe_poll, chr);
1570 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
1572 CharDriverState *chr;
1575 chr = qemu_mallocz(sizeof(CharDriverState));
1578 s = qemu_mallocz(sizeof(WinCharState));
1584 chr->chr_write = win_chr_write;
1585 chr->chr_close = win_chr_close;
1587 if (win_chr_pipe_init(chr, filename) < 0) {
1592 qemu_chr_reset(chr);
1596 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
1598 CharDriverState *chr;
1601 chr = qemu_mallocz(sizeof(CharDriverState));
1604 s = qemu_mallocz(sizeof(WinCharState));
1611 chr->chr_write = win_chr_write;
1612 qemu_chr_reset(chr);
1616 static CharDriverState *qemu_chr_open_win_con(const char *filename)
1618 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
1621 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
1625 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
1626 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
1627 if (fd_out == INVALID_HANDLE_VALUE)
1630 return qemu_chr_open_win_file(fd_out);
1632 #endif /* !_WIN32 */
1634 /***********************************************************/
1635 /* UDP Net console */
1639 struct sockaddr_in daddr;
1646 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1648 NetCharDriver *s = chr->opaque;
1650 return sendto(s->fd, buf, len, 0,
1651 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
1654 static int udp_chr_read_poll(void *opaque)
1656 CharDriverState *chr = opaque;
1657 NetCharDriver *s = chr->opaque;
1659 s->max_size = qemu_chr_can_read(chr);
1661 /* If there were any stray characters in the queue process them
1664 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1665 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1667 s->max_size = qemu_chr_can_read(chr);
1672 static void udp_chr_read(void *opaque)
1674 CharDriverState *chr = opaque;
1675 NetCharDriver *s = chr->opaque;
1677 if (s->max_size == 0)
1679 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
1680 s->bufptr = s->bufcnt;
1685 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1686 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1688 s->max_size = qemu_chr_can_read(chr);
1692 static void udp_chr_update_read_handler(CharDriverState *chr)
1694 NetCharDriver *s = chr->opaque;
1697 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
1698 udp_chr_read, NULL, chr);
1702 static CharDriverState *qemu_chr_open_udp(const char *def)
1704 CharDriverState *chr = NULL;
1705 NetCharDriver *s = NULL;
1707 struct sockaddr_in saddr;
1709 chr = qemu_mallocz(sizeof(CharDriverState));
1712 s = qemu_mallocz(sizeof(NetCharDriver));
1716 fd = socket(PF_INET, SOCK_DGRAM, 0);
1718 perror("socket(PF_INET, SOCK_DGRAM)");
1722 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
1723 printf("Could not parse: %s\n", def);
1727 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
1737 chr->chr_write = udp_chr_write;
1738 chr->chr_update_read_handler = udp_chr_update_read_handler;
1751 /***********************************************************/
1752 /* TCP Net console */
1763 static void tcp_chr_accept(void *opaque);
1765 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1767 TCPCharDriver *s = chr->opaque;
1769 return send_all(s->fd, buf, len);
1771 /* XXX: indicate an error ? */
1776 static int tcp_chr_read_poll(void *opaque)
1778 CharDriverState *chr = opaque;
1779 TCPCharDriver *s = chr->opaque;
1782 s->max_size = qemu_chr_can_read(chr);
1787 #define IAC_BREAK 243
1788 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
1790 uint8_t *buf, int *size)
1792 /* Handle any telnet client's basic IAC options to satisfy char by
1793 * char mode with no echo. All IAC options will be removed from
1794 * the buf and the do_telnetopt variable will be used to track the
1795 * state of the width of the IAC information.
1797 * IAC commands come in sets of 3 bytes with the exception of the
1798 * "IAC BREAK" command and the double IAC.
1804 for (i = 0; i < *size; i++) {
1805 if (s->do_telnetopt > 1) {
1806 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
1807 /* Double IAC means send an IAC */
1811 s->do_telnetopt = 1;
1813 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
1814 /* Handle IAC break commands by sending a serial break */
1815 qemu_chr_event(chr, CHR_EVENT_BREAK);
1820 if (s->do_telnetopt >= 4) {
1821 s->do_telnetopt = 1;
1824 if ((unsigned char)buf[i] == IAC) {
1825 s->do_telnetopt = 2;
1836 static void tcp_chr_read(void *opaque)
1838 CharDriverState *chr = opaque;
1839 TCPCharDriver *s = chr->opaque;
1843 if (!s->connected || s->max_size <= 0)
1846 if (len > s->max_size)
1848 size = recv(s->fd, buf, len, 0);
1850 /* connection closed */
1852 if (s->listen_fd >= 0) {
1853 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
1855 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
1858 } else if (size > 0) {
1859 if (s->do_telnetopt)
1860 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
1862 qemu_chr_read(chr, buf, size);
1866 static void tcp_chr_connect(void *opaque)
1868 CharDriverState *chr = opaque;
1869 TCPCharDriver *s = chr->opaque;
1872 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
1873 tcp_chr_read, NULL, chr);
1874 qemu_chr_reset(chr);
1877 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
1878 static void tcp_chr_telnet_init(int fd)
1881 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
1882 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
1883 send(fd, (char *)buf, 3, 0);
1884 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
1885 send(fd, (char *)buf, 3, 0);
1886 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
1887 send(fd, (char *)buf, 3, 0);
1888 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
1889 send(fd, (char *)buf, 3, 0);
1892 static void socket_set_nodelay(int fd)
1895 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
1898 static void tcp_chr_accept(void *opaque)
1900 CharDriverState *chr = opaque;
1901 TCPCharDriver *s = chr->opaque;
1902 struct sockaddr_in saddr;
1904 struct sockaddr_un uaddr;
1906 struct sockaddr *addr;
1913 len = sizeof(uaddr);
1914 addr = (struct sockaddr *)&uaddr;
1918 len = sizeof(saddr);
1919 addr = (struct sockaddr *)&saddr;
1921 fd = accept(s->listen_fd, addr, &len);
1922 if (fd < 0 && errno != EINTR) {
1924 } else if (fd >= 0) {
1925 if (s->do_telnetopt)
1926 tcp_chr_telnet_init(fd);
1930 socket_set_nonblock(fd);
1932 socket_set_nodelay(fd);
1934 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
1935 tcp_chr_connect(chr);
1938 static void tcp_chr_close(CharDriverState *chr)
1940 TCPCharDriver *s = chr->opaque;
1943 if (s->listen_fd >= 0)
1944 closesocket(s->listen_fd);
1948 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
1952 CharDriverState *chr = NULL;
1953 TCPCharDriver *s = NULL;
1954 int fd = -1, ret, err, val;
1956 int is_waitconnect = 1;
1959 struct sockaddr_in saddr;
1961 struct sockaddr_un uaddr;
1963 struct sockaddr *addr;
1968 addr = (struct sockaddr *)&uaddr;
1969 addrlen = sizeof(uaddr);
1970 if (parse_unix_path(&uaddr, host_str) < 0)
1975 addr = (struct sockaddr *)&saddr;
1976 addrlen = sizeof(saddr);
1977 if (parse_host_port(&saddr, host_str) < 0)
1982 while((ptr = strchr(ptr,','))) {
1984 if (!strncmp(ptr,"server",6)) {
1986 } else if (!strncmp(ptr,"nowait",6)) {
1988 } else if (!strncmp(ptr,"nodelay",6)) {
1991 printf("Unknown option: %s\n", ptr);
1998 chr = qemu_mallocz(sizeof(CharDriverState));
2001 s = qemu_mallocz(sizeof(TCPCharDriver));
2007 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2010 fd = socket(PF_INET, SOCK_STREAM, 0);
2015 if (!is_waitconnect)
2016 socket_set_nonblock(fd);
2021 s->is_unix = is_unix;
2022 s->do_nodelay = do_nodelay && !is_unix;
2025 chr->chr_write = tcp_chr_write;
2026 chr->chr_close = tcp_chr_close;
2029 /* allow fast reuse */
2033 pstrcpy(path, sizeof(path), uaddr.sun_path);
2039 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2042 ret = bind(fd, addr, addrlen);
2046 ret = listen(fd, 0);
2051 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2053 s->do_telnetopt = 1;
2056 ret = connect(fd, addr, addrlen);
2058 err = socket_error();
2059 if (err == EINTR || err == EWOULDBLOCK) {
2060 } else if (err == EINPROGRESS) {
2063 } else if (err == WSAEALREADY) {
2075 socket_set_nodelay(fd);
2077 tcp_chr_connect(chr);
2079 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2082 if (is_listen && is_waitconnect) {
2083 printf("QEMU waiting for connection on: %s\n", host_str);
2084 tcp_chr_accept(chr);
2085 socket_set_nonblock(s->listen_fd);
2097 static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs
2098 = TAILQ_HEAD_INITIALIZER(chardevs);
2100 CharDriverState *qemu_chr_open(const char *label, const char *filename)
2103 CharDriverState *chr;
2105 if (!strcmp(filename, "vc")) {
2106 chr = text_console_init(&display_state, 0);
2108 if (strstart(filename, "vc:", &p)) {
2109 chr = text_console_init(&display_state, p);
2111 if (!strcmp(filename, "null")) {
2112 chr = qemu_chr_open_null();
2114 if (strstart(filename, "tcp:", &p)) {
2115 chr = qemu_chr_open_tcp(p, 0, 0);
2117 if (strstart(filename, "telnet:", &p)) {
2118 chr = qemu_chr_open_tcp(p, 1, 0);
2120 if (strstart(filename, "udp:", &p)) {
2121 chr = qemu_chr_open_udp(p);
2123 if (strstart(filename, "mon:", &p)) {
2124 chr = qemu_chr_open(label, p);
2126 chr = qemu_chr_open_mux(chr);
2127 monitor_init(chr, !nographic);
2129 printf("Unable to open driver: %s\n", p);
2133 if (strstart(filename, "unix:", &p)) {
2134 chr = qemu_chr_open_tcp(p, 0, 1);
2135 } else if (strstart(filename, "file:", &p)) {
2136 chr = qemu_chr_open_file_out(p);
2137 } else if (strstart(filename, "pipe:", &p)) {
2138 chr = qemu_chr_open_pipe(p);
2139 } else if (!strcmp(filename, "pty")) {
2140 chr = qemu_chr_open_pty();
2141 } else if (!strcmp(filename, "stdio")) {
2142 chr = qemu_chr_open_stdio();
2144 #if defined(__linux__)
2145 if (strstart(filename, "/dev/parport", NULL)) {
2146 chr = qemu_chr_open_pp(filename);
2149 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2150 || defined(__NetBSD__) || defined(__OpenBSD__)
2151 if (strstart(filename, "/dev/", NULL)) {
2152 chr = qemu_chr_open_tty(filename);
2156 if (strstart(filename, "COM", NULL)) {
2157 chr = qemu_chr_open_win(filename);
2159 if (strstart(filename, "pipe:", &p)) {
2160 chr = qemu_chr_open_win_pipe(p);
2162 if (strstart(filename, "con:", NULL)) {
2163 chr = qemu_chr_open_win_con(filename);
2165 if (strstart(filename, "file:", &p)) {
2166 chr = qemu_chr_open_win_file_out(p);
2169 #ifdef CONFIG_BRLAPI
2170 if (!strcmp(filename, "braille")) {
2171 chr = chr_baum_init();
2180 chr->filename = qemu_strdup(filename);
2181 chr->label = qemu_strdup(label);
2182 TAILQ_INSERT_TAIL(&chardevs, chr, next);
2187 void qemu_chr_close(CharDriverState *chr)
2189 TAILQ_REMOVE(&chardevs, chr, next);
2191 chr->chr_close(chr);
2192 qemu_free(chr->filename);
2193 qemu_free(chr->label);
2197 void qemu_chr_info(void)
2199 CharDriverState *chr;
2201 TAILQ_FOREACH(chr, &chardevs, next) {
2202 term_printf("%s: filename=%s\n", chr->label, chr->filename);