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/resource.h>
49 #include <sys/socket.h>
50 #include <netinet/in.h>
53 #include <net/if_tap.h>
56 #include <linux/if_tun.h>
58 #include <arpa/inet.h>
61 #include <sys/select.h>
69 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
70 #include <freebsd/stdlib.h>
75 #include <linux/ppdev.h>
76 #include <linux/parport.h>
80 #include <sys/ethernet.h>
81 #include <sys/sockio.h>
82 #include <netinet/arp.h>
83 #include <netinet/in.h>
84 #include <netinet/in_systm.h>
85 #include <netinet/ip.h>
86 #include <netinet/ip_icmp.h> // must come after ip.h
87 #include <netinet/udp.h>
88 #include <netinet/tcp.h>
96 #include "qemu_socket.h"
98 /***********************************************************/
99 /* character device */
101 static void qemu_chr_event(CharDriverState *s, int event)
105 s->chr_event(s->handler_opaque, event);
108 static void qemu_chr_reset_bh(void *opaque)
110 CharDriverState *s = opaque;
111 qemu_chr_event(s, CHR_EVENT_RESET);
112 qemu_bh_delete(s->bh);
116 void qemu_chr_reset(CharDriverState *s)
119 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
120 qemu_bh_schedule(s->bh);
124 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
126 return s->chr_write(s, buf, len);
129 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
133 return s->chr_ioctl(s, cmd, arg);
136 int qemu_chr_can_read(CharDriverState *s)
138 if (!s->chr_can_read)
140 return s->chr_can_read(s->handler_opaque);
143 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
145 s->chr_read(s->handler_opaque, buf, len);
148 void qemu_chr_accept_input(CharDriverState *s)
150 if (s->chr_accept_input)
151 s->chr_accept_input(s);
154 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
159 vsnprintf(buf, sizeof(buf), fmt, ap);
160 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
164 void qemu_chr_send_event(CharDriverState *s, int event)
166 if (s->chr_send_event)
167 s->chr_send_event(s, event);
170 void qemu_chr_add_handlers(CharDriverState *s,
171 IOCanRWHandler *fd_can_read,
172 IOReadHandler *fd_read,
173 IOEventHandler *fd_event,
176 s->chr_can_read = fd_can_read;
177 s->chr_read = fd_read;
178 s->chr_event = fd_event;
179 s->handler_opaque = opaque;
180 if (s->chr_update_read_handler)
181 s->chr_update_read_handler(s);
184 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
189 static CharDriverState *qemu_chr_open_null(void)
191 CharDriverState *chr;
193 chr = qemu_mallocz(sizeof(CharDriverState));
196 chr->chr_write = null_chr_write;
200 /* MUX driver for serial I/O splitting */
201 static int term_timestamps;
202 static int64_t term_timestamps_start;
204 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
205 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
207 IOCanRWHandler *chr_can_read[MAX_MUX];
208 IOReadHandler *chr_read[MAX_MUX];
209 IOEventHandler *chr_event[MAX_MUX];
210 void *ext_opaque[MAX_MUX];
211 CharDriverState *drv;
212 unsigned char buffer[MUX_BUFFER_SIZE];
221 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
223 MuxDriver *d = chr->opaque;
225 if (!term_timestamps) {
226 ret = d->drv->chr_write(d->drv, buf, len);
231 for(i = 0; i < len; i++) {
232 ret += d->drv->chr_write(d->drv, buf+i, 1);
233 if (buf[i] == '\n') {
238 ti = qemu_get_clock(rt_clock);
239 if (term_timestamps_start == -1)
240 term_timestamps_start = ti;
241 ti -= term_timestamps_start;
242 secs = ti / 1000000000;
243 snprintf(buf1, sizeof(buf1),
244 "[%02d:%02d:%02d.%03d] ",
248 (int)((ti / 1000000) % 1000));
249 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
256 static const char * const mux_help[] = {
257 "% h print this help\n\r",
258 "% x exit emulator\n\r",
259 "% s save disk data back to file (if -snapshot)\n\r",
260 "% t toggle console timestamps\n\r"
261 "% b send break (magic sysrq)\n\r",
262 "% c switch between console and monitor\n\r",
267 int term_escape_char = 0x01; /* ctrl-a is used for escape */
268 static void mux_print_help(CharDriverState *chr)
271 char ebuf[15] = "Escape-Char";
272 char cbuf[50] = "\n\r";
274 if (term_escape_char > 0 && term_escape_char < 26) {
275 snprintf(cbuf, sizeof(cbuf), "\n\r");
276 snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
278 snprintf(cbuf, sizeof(cbuf),
279 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
282 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
283 for (i = 0; mux_help[i] != NULL; i++) {
284 for (j=0; mux_help[i][j] != '\0'; j++) {
285 if (mux_help[i][j] == '%')
286 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
288 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
293 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
295 if (d->term_got_escape) {
296 d->term_got_escape = 0;
297 if (ch == term_escape_char)
306 const char *term = "QEMU: Terminated\n\r";
307 chr->chr_write(chr,(uint8_t *)term,strlen(term));
314 for (i = 0; i < nb_drives; i++) {
315 bdrv_commit(drives_table[i].bdrv);
320 qemu_chr_event(chr, CHR_EVENT_BREAK);
323 /* Switch to the next registered device */
325 if (chr->focus >= d->mux_cnt)
329 term_timestamps = !term_timestamps;
330 term_timestamps_start = -1;
333 } else if (ch == term_escape_char) {
334 d->term_got_escape = 1;
342 static void mux_chr_accept_input(CharDriverState *chr)
345 MuxDriver *d = chr->opaque;
347 while (d->prod != d->cons &&
348 d->chr_can_read[m] &&
349 d->chr_can_read[m](d->ext_opaque[m])) {
350 d->chr_read[m](d->ext_opaque[m],
351 &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
355 static int mux_chr_can_read(void *opaque)
357 CharDriverState *chr = opaque;
358 MuxDriver *d = chr->opaque;
360 if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
362 if (d->chr_can_read[chr->focus])
363 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
367 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
369 CharDriverState *chr = opaque;
370 MuxDriver *d = chr->opaque;
374 mux_chr_accept_input (opaque);
376 for(i = 0; i < size; i++)
377 if (mux_proc_byte(chr, d, buf[i])) {
378 if (d->prod == d->cons &&
379 d->chr_can_read[m] &&
380 d->chr_can_read[m](d->ext_opaque[m]))
381 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
383 d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
387 static void mux_chr_event(void *opaque, int event)
389 CharDriverState *chr = opaque;
390 MuxDriver *d = chr->opaque;
393 /* Send the event to all registered listeners */
394 for (i = 0; i < d->mux_cnt; i++)
396 d->chr_event[i](d->ext_opaque[i], event);
399 static void mux_chr_update_read_handler(CharDriverState *chr)
401 MuxDriver *d = chr->opaque;
403 if (d->mux_cnt >= MAX_MUX) {
404 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
407 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
408 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
409 d->chr_read[d->mux_cnt] = chr->chr_read;
410 d->chr_event[d->mux_cnt] = chr->chr_event;
411 /* Fix up the real driver with mux routines */
412 if (d->mux_cnt == 0) {
413 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
416 chr->focus = d->mux_cnt;
420 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
422 CharDriverState *chr;
425 chr = qemu_mallocz(sizeof(CharDriverState));
428 d = qemu_mallocz(sizeof(MuxDriver));
437 chr->chr_write = mux_chr_write;
438 chr->chr_update_read_handler = mux_chr_update_read_handler;
439 chr->chr_accept_input = mux_chr_accept_input;
445 int send_all(int fd, const uint8_t *buf, int len1)
451 ret = send(fd, buf, len, 0);
454 errno = WSAGetLastError();
455 if (errno != WSAEWOULDBLOCK) {
458 } else if (ret == 0) {
470 static int unix_write(int fd, const uint8_t *buf, int len1)
476 ret = write(fd, buf, len);
478 if (errno != EINTR && errno != EAGAIN)
480 } else if (ret == 0) {
490 int send_all(int fd, const uint8_t *buf, int len1)
492 return unix_write(fd, buf, len1);
503 #define STDIO_MAX_CLIENTS 1
504 static int stdio_nb_clients = 0;
506 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
508 FDCharDriver *s = chr->opaque;
509 return send_all(s->fd_out, buf, len);
512 static int fd_chr_read_poll(void *opaque)
514 CharDriverState *chr = opaque;
515 FDCharDriver *s = chr->opaque;
517 s->max_size = qemu_chr_can_read(chr);
521 static void fd_chr_read(void *opaque)
523 CharDriverState *chr = opaque;
524 FDCharDriver *s = chr->opaque;
529 if (len > s->max_size)
533 size = read(s->fd_in, buf, len);
535 /* FD has been closed. Remove it from the active list. */
536 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
540 qemu_chr_read(chr, buf, size);
544 static void fd_chr_update_read_handler(CharDriverState *chr)
546 FDCharDriver *s = chr->opaque;
549 if (nographic && s->fd_in == 0) {
551 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
552 fd_chr_read, NULL, chr);
557 static void fd_chr_close(struct CharDriverState *chr)
559 FDCharDriver *s = chr->opaque;
562 if (nographic && s->fd_in == 0) {
564 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
571 /* open a character device to a unix fd */
572 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
574 CharDriverState *chr;
577 chr = qemu_mallocz(sizeof(CharDriverState));
580 s = qemu_mallocz(sizeof(FDCharDriver));
588 chr->chr_write = fd_chr_write;
589 chr->chr_update_read_handler = fd_chr_update_read_handler;
590 chr->chr_close = fd_chr_close;
597 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
601 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
604 return qemu_chr_open_fd(-1, fd_out);
607 static CharDriverState *qemu_chr_open_pipe(const char *filename)
610 char filename_in[256], filename_out[256];
612 snprintf(filename_in, 256, "%s.in", filename);
613 snprintf(filename_out, 256, "%s.out", filename);
614 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
615 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
616 if (fd_in < 0 || fd_out < 0) {
621 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
625 return qemu_chr_open_fd(fd_in, fd_out);
629 /* for STDIO, we handle the case where several clients use it
632 #define TERM_FIFO_MAX_SIZE 1
634 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
635 static int term_fifo_size;
637 static int stdio_read_poll(void *opaque)
639 CharDriverState *chr = opaque;
641 /* try to flush the queue if needed */
642 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
643 qemu_chr_read(chr, term_fifo, 1);
646 /* see if we can absorb more chars */
647 if (term_fifo_size == 0)
653 static void stdio_read(void *opaque)
657 CharDriverState *chr = opaque;
659 size = read(0, buf, 1);
661 /* stdin has been closed. Remove it from the active list. */
662 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
666 if (qemu_chr_can_read(chr) > 0) {
667 qemu_chr_read(chr, buf, 1);
668 } else if (term_fifo_size == 0) {
669 term_fifo[term_fifo_size++] = buf[0];
674 /* init terminal so that we can grab keys */
675 static struct termios oldtty;
676 static int old_fd0_flags;
677 static int term_atexit_done;
679 static void term_exit(void)
681 tcsetattr (0, TCSANOW, &oldtty);
682 fcntl(0, F_SETFL, old_fd0_flags);
685 static void term_init(void)
691 old_fd0_flags = fcntl(0, F_GETFL);
693 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
694 |INLCR|IGNCR|ICRNL|IXON);
695 tty.c_oflag |= OPOST;
696 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
697 /* if graphical mode, we allow Ctrl-C handling */
699 tty.c_lflag &= ~ISIG;
700 tty.c_cflag &= ~(CSIZE|PARENB);
705 tcsetattr (0, TCSANOW, &tty);
707 if (!term_atexit_done++)
710 fcntl(0, F_SETFL, O_NONBLOCK);
713 static void qemu_chr_close_stdio(struct CharDriverState *chr)
717 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
721 static CharDriverState *qemu_chr_open_stdio(void)
723 CharDriverState *chr;
725 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
727 chr = qemu_chr_open_fd(0, 1);
728 chr->chr_close = qemu_chr_close_stdio;
729 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
737 /* Once Solaris has openpty(), this is going to be removed. */
738 int openpty(int *amaster, int *aslave, char *name,
739 struct termios *termp, struct winsize *winp)
742 int mfd = -1, sfd = -1;
744 *amaster = *aslave = -1;
746 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
750 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
753 if ((slave = ptsname(mfd)) == NULL)
756 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
759 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
760 (termp != NULL && tcgetattr(sfd, termp) < 0))
768 ioctl(sfd, TIOCSWINSZ, winp);
779 void cfmakeraw (struct termios *termios_p)
781 termios_p->c_iflag &=
782 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
783 termios_p->c_oflag &= ~OPOST;
784 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
785 termios_p->c_cflag &= ~(CSIZE|PARENB);
786 termios_p->c_cflag |= CS8;
788 termios_p->c_cc[VMIN] = 0;
789 termios_p->c_cc[VTIME] = 0;
793 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
794 || defined(__NetBSD__) || defined(__OpenBSD__)
804 static void pty_chr_update_read_handler(CharDriverState *chr);
805 static void pty_chr_state(CharDriverState *chr, int connected);
807 static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
809 PtyCharDriver *s = chr->opaque;
812 /* guest sends data, check for (re-)connect */
813 pty_chr_update_read_handler(chr);
816 return send_all(s->fd, buf, len);
819 static int pty_chr_read_poll(void *opaque)
821 CharDriverState *chr = opaque;
822 PtyCharDriver *s = chr->opaque;
824 s->read_bytes = qemu_chr_can_read(chr);
825 return s->read_bytes;
828 static void pty_chr_read(void *opaque)
830 CharDriverState *chr = opaque;
831 PtyCharDriver *s = chr->opaque;
836 if (len > s->read_bytes)
840 size = read(s->fd, buf, len);
841 if ((size == -1 && errno == EIO) ||
843 pty_chr_state(chr, 0);
847 pty_chr_state(chr, 1);
848 qemu_chr_read(chr, buf, size);
852 static void pty_chr_update_read_handler(CharDriverState *chr)
854 PtyCharDriver *s = chr->opaque;
856 qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
857 pty_chr_read, NULL, chr);
860 * Short timeout here: just need wait long enougth that qemu makes
861 * it through the poll loop once. When reconnected we want a
862 * short timeout so we notice it almost instantly. Otherwise
863 * read() gives us -EIO instantly, making pty_chr_state() reset the
864 * timeout to the normal (much longer) poll interval before the
867 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
870 static void pty_chr_state(CharDriverState *chr, int connected)
872 PtyCharDriver *s = chr->opaque;
875 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
878 /* (re-)connect poll interval for idle guests: once per second.
879 * We check more frequently in case the guests sends data to
880 * the virtual device linked to our pty. */
881 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
889 static void pty_chr_timer(void *opaque)
891 struct CharDriverState *chr = opaque;
892 PtyCharDriver *s = chr->opaque;
897 /* If we arrive here without polling being cleared due
898 * read returning -EIO, then we are (re-)connected */
899 pty_chr_state(chr, 1);
904 pty_chr_update_read_handler(chr);
907 static void pty_chr_close(struct CharDriverState *chr)
909 PtyCharDriver *s = chr->opaque;
911 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
916 static CharDriverState *qemu_chr_open_pty(void)
918 CharDriverState *chr;
922 #if defined(__OpenBSD__)
923 char pty_name[PATH_MAX];
924 #define q_ptsname(x) pty_name
926 char *pty_name = NULL;
927 #define q_ptsname(x) ptsname(x)
930 chr = qemu_mallocz(sizeof(CharDriverState));
933 s = qemu_mallocz(sizeof(PtyCharDriver));
939 if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
943 /* Set raw attributes on the pty. */
945 tcsetattr(slave_fd, TCSAFLUSH, &tty);
948 len = strlen(q_ptsname(s->fd)) + 5;
949 chr->filename = qemu_malloc(len);
950 snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
951 fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
954 chr->chr_write = pty_chr_write;
955 chr->chr_update_read_handler = pty_chr_update_read_handler;
956 chr->chr_close = pty_chr_close;
958 s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
963 static void tty_serial_init(int fd, int speed,
964 int parity, int data_bits, int stop_bits)
970 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
971 speed, parity, data_bits, stop_bits);
973 tcgetattr (fd, &tty);
976 if (speed <= 50 * MARGIN)
978 else if (speed <= 75 * MARGIN)
980 else if (speed <= 300 * MARGIN)
982 else if (speed <= 600 * MARGIN)
984 else if (speed <= 1200 * MARGIN)
986 else if (speed <= 2400 * MARGIN)
988 else if (speed <= 4800 * MARGIN)
990 else if (speed <= 9600 * MARGIN)
992 else if (speed <= 19200 * MARGIN)
994 else if (speed <= 38400 * MARGIN)
996 else if (speed <= 57600 * MARGIN)
998 else if (speed <= 115200 * MARGIN)
1003 cfsetispeed(&tty, spd);
1004 cfsetospeed(&tty, spd);
1006 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1007 |INLCR|IGNCR|ICRNL|IXON);
1008 tty.c_oflag |= OPOST;
1009 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1010 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1031 tty.c_cflag |= PARENB;
1034 tty.c_cflag |= PARENB | PARODD;
1038 tty.c_cflag |= CSTOPB;
1040 tcsetattr (fd, TCSANOW, &tty);
1043 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1045 FDCharDriver *s = chr->opaque;
1048 case CHR_IOCTL_SERIAL_SET_PARAMS:
1050 QEMUSerialSetParams *ssp = arg;
1051 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1052 ssp->data_bits, ssp->stop_bits);
1055 case CHR_IOCTL_SERIAL_SET_BREAK:
1057 int enable = *(int *)arg;
1059 tcsendbreak(s->fd_in, 1);
1062 case CHR_IOCTL_SERIAL_GET_TIOCM:
1065 int *targ = (int *)arg;
1066 ioctl(s->fd_in, TIOCMGET, &sarg);
1068 if (sarg | TIOCM_CTS)
1069 *targ |= CHR_TIOCM_CTS;
1070 if (sarg | TIOCM_CAR)
1071 *targ |= CHR_TIOCM_CAR;
1072 if (sarg | TIOCM_DSR)
1073 *targ |= CHR_TIOCM_DSR;
1074 if (sarg | TIOCM_RI)
1075 *targ |= CHR_TIOCM_RI;
1076 if (sarg | TIOCM_DTR)
1077 *targ |= CHR_TIOCM_DTR;
1078 if (sarg | TIOCM_RTS)
1079 *targ |= CHR_TIOCM_RTS;
1082 case CHR_IOCTL_SERIAL_SET_TIOCM:
1084 int sarg = *(int *)arg;
1086 if (sarg | CHR_TIOCM_DTR)
1088 if (sarg | CHR_TIOCM_RTS)
1090 ioctl(s->fd_in, TIOCMSET, &targ);
1099 static CharDriverState *qemu_chr_open_tty(const char *filename)
1101 CharDriverState *chr;
1104 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
1105 tty_serial_init(fd, 115200, 'N', 8, 1);
1106 chr = qemu_chr_open_fd(fd, fd);
1111 chr->chr_ioctl = tty_serial_ioctl;
1112 qemu_chr_reset(chr);
1115 #else /* ! __linux__ && ! __sun__ */
1116 static CharDriverState *qemu_chr_open_pty(void)
1120 #endif /* __linux__ || __sun__ */
1122 #if defined(__linux__)
1126 } ParallelCharDriver;
1128 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1130 if (s->mode != mode) {
1132 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1139 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1141 ParallelCharDriver *drv = chr->opaque;
1146 case CHR_IOCTL_PP_READ_DATA:
1147 if (ioctl(fd, PPRDATA, &b) < 0)
1149 *(uint8_t *)arg = b;
1151 case CHR_IOCTL_PP_WRITE_DATA:
1152 b = *(uint8_t *)arg;
1153 if (ioctl(fd, PPWDATA, &b) < 0)
1156 case CHR_IOCTL_PP_READ_CONTROL:
1157 if (ioctl(fd, PPRCONTROL, &b) < 0)
1159 /* Linux gives only the lowest bits, and no way to know data
1160 direction! For better compatibility set the fixed upper
1162 *(uint8_t *)arg = b | 0xc0;
1164 case CHR_IOCTL_PP_WRITE_CONTROL:
1165 b = *(uint8_t *)arg;
1166 if (ioctl(fd, PPWCONTROL, &b) < 0)
1169 case CHR_IOCTL_PP_READ_STATUS:
1170 if (ioctl(fd, PPRSTATUS, &b) < 0)
1172 *(uint8_t *)arg = b;
1174 case CHR_IOCTL_PP_DATA_DIR:
1175 if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
1178 case CHR_IOCTL_PP_EPP_READ_ADDR:
1179 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1180 struct ParallelIOArg *parg = arg;
1181 int n = read(fd, parg->buffer, parg->count);
1182 if (n != parg->count) {
1187 case CHR_IOCTL_PP_EPP_READ:
1188 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1189 struct ParallelIOArg *parg = arg;
1190 int n = read(fd, parg->buffer, parg->count);
1191 if (n != parg->count) {
1196 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1197 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1198 struct ParallelIOArg *parg = arg;
1199 int n = write(fd, parg->buffer, parg->count);
1200 if (n != parg->count) {
1205 case CHR_IOCTL_PP_EPP_WRITE:
1206 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1207 struct ParallelIOArg *parg = arg;
1208 int n = write(fd, parg->buffer, parg->count);
1209 if (n != parg->count) {
1220 static void pp_close(CharDriverState *chr)
1222 ParallelCharDriver *drv = chr->opaque;
1225 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
1226 ioctl(fd, PPRELEASE);
1231 static CharDriverState *qemu_chr_open_pp(const char *filename)
1233 CharDriverState *chr;
1234 ParallelCharDriver *drv;
1237 TFR(fd = open(filename, O_RDWR));
1241 if (ioctl(fd, PPCLAIM) < 0) {
1246 drv = qemu_mallocz(sizeof(ParallelCharDriver));
1252 drv->mode = IEEE1284_MODE_COMPAT;
1254 chr = qemu_mallocz(sizeof(CharDriverState));
1260 chr->chr_write = null_chr_write;
1261 chr->chr_ioctl = pp_ioctl;
1262 chr->chr_close = pp_close;
1265 qemu_chr_reset(chr);
1269 #endif /* __linux__ */
1275 HANDLE hcom, hrecv, hsend;
1276 OVERLAPPED orecv, osend;
1281 #define NSENDBUF 2048
1282 #define NRECVBUF 2048
1283 #define MAXCONNECT 1
1284 #define NTIMEOUT 5000
1286 static int win_chr_poll(void *opaque);
1287 static int win_chr_pipe_poll(void *opaque);
1289 static void win_chr_close(CharDriverState *chr)
1291 WinCharState *s = chr->opaque;
1294 CloseHandle(s->hsend);
1298 CloseHandle(s->hrecv);
1302 CloseHandle(s->hcom);
1306 qemu_del_polling_cb(win_chr_pipe_poll, chr);
1308 qemu_del_polling_cb(win_chr_poll, chr);
1311 static int win_chr_init(CharDriverState *chr, const char *filename)
1313 WinCharState *s = chr->opaque;
1315 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1320 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1322 fprintf(stderr, "Failed CreateEvent\n");
1325 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1327 fprintf(stderr, "Failed CreateEvent\n");
1331 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1332 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1333 if (s->hcom == INVALID_HANDLE_VALUE) {
1334 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1339 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1340 fprintf(stderr, "Failed SetupComm\n");
1344 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1345 size = sizeof(COMMCONFIG);
1346 GetDefaultCommConfig(filename, &comcfg, &size);
1347 comcfg.dcb.DCBlength = sizeof(DCB);
1348 CommConfigDialog(filename, NULL, &comcfg);
1350 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1351 fprintf(stderr, "Failed SetCommState\n");
1355 if (!SetCommMask(s->hcom, EV_ERR)) {
1356 fprintf(stderr, "Failed SetCommMask\n");
1360 cto.ReadIntervalTimeout = MAXDWORD;
1361 if (!SetCommTimeouts(s->hcom, &cto)) {
1362 fprintf(stderr, "Failed SetCommTimeouts\n");
1366 if (!ClearCommError(s->hcom, &err, &comstat)) {
1367 fprintf(stderr, "Failed ClearCommError\n");
1370 qemu_add_polling_cb(win_chr_poll, chr);
1378 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1380 WinCharState *s = chr->opaque;
1381 DWORD len, ret, size, err;
1384 ZeroMemory(&s->osend, sizeof(s->osend));
1385 s->osend.hEvent = s->hsend;
1388 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1390 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1392 err = GetLastError();
1393 if (err == ERROR_IO_PENDING) {
1394 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1412 static int win_chr_read_poll(CharDriverState *chr)
1414 WinCharState *s = chr->opaque;
1416 s->max_size = qemu_chr_can_read(chr);
1420 static void win_chr_readfile(CharDriverState *chr)
1422 WinCharState *s = chr->opaque;
1427 ZeroMemory(&s->orecv, sizeof(s->orecv));
1428 s->orecv.hEvent = s->hrecv;
1429 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1431 err = GetLastError();
1432 if (err == ERROR_IO_PENDING) {
1433 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1438 qemu_chr_read(chr, buf, size);
1442 static void win_chr_read(CharDriverState *chr)
1444 WinCharState *s = chr->opaque;
1446 if (s->len > s->max_size)
1447 s->len = s->max_size;
1451 win_chr_readfile(chr);
1454 static int win_chr_poll(void *opaque)
1456 CharDriverState *chr = opaque;
1457 WinCharState *s = chr->opaque;
1461 ClearCommError(s->hcom, &comerr, &status);
1462 if (status.cbInQue > 0) {
1463 s->len = status.cbInQue;
1464 win_chr_read_poll(chr);
1471 static CharDriverState *qemu_chr_open_win(const char *filename)
1473 CharDriverState *chr;
1476 chr = qemu_mallocz(sizeof(CharDriverState));
1479 s = qemu_mallocz(sizeof(WinCharState));
1485 chr->chr_write = win_chr_write;
1486 chr->chr_close = win_chr_close;
1488 if (win_chr_init(chr, filename) < 0) {
1493 qemu_chr_reset(chr);
1497 static int win_chr_pipe_poll(void *opaque)
1499 CharDriverState *chr = opaque;
1500 WinCharState *s = chr->opaque;
1503 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1506 win_chr_read_poll(chr);
1513 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
1515 WinCharState *s = chr->opaque;
1523 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1525 fprintf(stderr, "Failed CreateEvent\n");
1528 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1530 fprintf(stderr, "Failed CreateEvent\n");
1534 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
1535 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
1536 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
1538 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
1539 if (s->hcom == INVALID_HANDLE_VALUE) {
1540 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
1545 ZeroMemory(&ov, sizeof(ov));
1546 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
1547 ret = ConnectNamedPipe(s->hcom, &ov);
1549 fprintf(stderr, "Failed ConnectNamedPipe\n");
1553 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
1555 fprintf(stderr, "Failed GetOverlappedResult\n");
1557 CloseHandle(ov.hEvent);
1564 CloseHandle(ov.hEvent);
1567 qemu_add_polling_cb(win_chr_pipe_poll, chr);
1576 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
1578 CharDriverState *chr;
1581 chr = qemu_mallocz(sizeof(CharDriverState));
1584 s = qemu_mallocz(sizeof(WinCharState));
1590 chr->chr_write = win_chr_write;
1591 chr->chr_close = win_chr_close;
1593 if (win_chr_pipe_init(chr, filename) < 0) {
1598 qemu_chr_reset(chr);
1602 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
1604 CharDriverState *chr;
1607 chr = qemu_mallocz(sizeof(CharDriverState));
1610 s = qemu_mallocz(sizeof(WinCharState));
1617 chr->chr_write = win_chr_write;
1618 qemu_chr_reset(chr);
1622 static CharDriverState *qemu_chr_open_win_con(const char *filename)
1624 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
1627 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
1631 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
1632 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
1633 if (fd_out == INVALID_HANDLE_VALUE)
1636 return qemu_chr_open_win_file(fd_out);
1638 #endif /* !_WIN32 */
1640 /***********************************************************/
1641 /* UDP Net console */
1645 struct sockaddr_in daddr;
1652 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1654 NetCharDriver *s = chr->opaque;
1656 return sendto(s->fd, buf, len, 0,
1657 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
1660 static int udp_chr_read_poll(void *opaque)
1662 CharDriverState *chr = opaque;
1663 NetCharDriver *s = chr->opaque;
1665 s->max_size = qemu_chr_can_read(chr);
1667 /* If there were any stray characters in the queue process them
1670 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1671 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1673 s->max_size = qemu_chr_can_read(chr);
1678 static void udp_chr_read(void *opaque)
1680 CharDriverState *chr = opaque;
1681 NetCharDriver *s = chr->opaque;
1683 if (s->max_size == 0)
1685 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
1686 s->bufptr = s->bufcnt;
1691 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1692 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1694 s->max_size = qemu_chr_can_read(chr);
1698 static void udp_chr_update_read_handler(CharDriverState *chr)
1700 NetCharDriver *s = chr->opaque;
1703 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
1704 udp_chr_read, NULL, chr);
1708 static CharDriverState *qemu_chr_open_udp(const char *def)
1710 CharDriverState *chr = NULL;
1711 NetCharDriver *s = NULL;
1713 struct sockaddr_in saddr;
1715 chr = qemu_mallocz(sizeof(CharDriverState));
1718 s = qemu_mallocz(sizeof(NetCharDriver));
1722 fd = socket(PF_INET, SOCK_DGRAM, 0);
1724 perror("socket(PF_INET, SOCK_DGRAM)");
1728 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
1729 printf("Could not parse: %s\n", def);
1733 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
1743 chr->chr_write = udp_chr_write;
1744 chr->chr_update_read_handler = udp_chr_update_read_handler;
1757 /***********************************************************/
1758 /* TCP Net console */
1769 static void tcp_chr_accept(void *opaque);
1771 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1773 TCPCharDriver *s = chr->opaque;
1775 return send_all(s->fd, buf, len);
1777 /* XXX: indicate an error ? */
1782 static int tcp_chr_read_poll(void *opaque)
1784 CharDriverState *chr = opaque;
1785 TCPCharDriver *s = chr->opaque;
1788 s->max_size = qemu_chr_can_read(chr);
1793 #define IAC_BREAK 243
1794 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
1796 uint8_t *buf, int *size)
1798 /* Handle any telnet client's basic IAC options to satisfy char by
1799 * char mode with no echo. All IAC options will be removed from
1800 * the buf and the do_telnetopt variable will be used to track the
1801 * state of the width of the IAC information.
1803 * IAC commands come in sets of 3 bytes with the exception of the
1804 * "IAC BREAK" command and the double IAC.
1810 for (i = 0; i < *size; i++) {
1811 if (s->do_telnetopt > 1) {
1812 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
1813 /* Double IAC means send an IAC */
1817 s->do_telnetopt = 1;
1819 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
1820 /* Handle IAC break commands by sending a serial break */
1821 qemu_chr_event(chr, CHR_EVENT_BREAK);
1826 if (s->do_telnetopt >= 4) {
1827 s->do_telnetopt = 1;
1830 if ((unsigned char)buf[i] == IAC) {
1831 s->do_telnetopt = 2;
1842 static void tcp_chr_read(void *opaque)
1844 CharDriverState *chr = opaque;
1845 TCPCharDriver *s = chr->opaque;
1849 if (!s->connected || s->max_size <= 0)
1852 if (len > s->max_size)
1854 size = recv(s->fd, buf, len, 0);
1856 /* connection closed */
1858 if (s->listen_fd >= 0) {
1859 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
1861 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
1864 } else if (size > 0) {
1865 if (s->do_telnetopt)
1866 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
1868 qemu_chr_read(chr, buf, size);
1872 static void tcp_chr_connect(void *opaque)
1874 CharDriverState *chr = opaque;
1875 TCPCharDriver *s = chr->opaque;
1878 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
1879 tcp_chr_read, NULL, chr);
1880 qemu_chr_reset(chr);
1883 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
1884 static void tcp_chr_telnet_init(int fd)
1887 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
1888 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
1889 send(fd, (char *)buf, 3, 0);
1890 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
1891 send(fd, (char *)buf, 3, 0);
1892 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
1893 send(fd, (char *)buf, 3, 0);
1894 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
1895 send(fd, (char *)buf, 3, 0);
1898 static void socket_set_nodelay(int fd)
1901 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
1904 static void tcp_chr_accept(void *opaque)
1906 CharDriverState *chr = opaque;
1907 TCPCharDriver *s = chr->opaque;
1908 struct sockaddr_in saddr;
1910 struct sockaddr_un uaddr;
1912 struct sockaddr *addr;
1919 len = sizeof(uaddr);
1920 addr = (struct sockaddr *)&uaddr;
1924 len = sizeof(saddr);
1925 addr = (struct sockaddr *)&saddr;
1927 fd = accept(s->listen_fd, addr, &len);
1928 if (fd < 0 && errno != EINTR) {
1930 } else if (fd >= 0) {
1931 if (s->do_telnetopt)
1932 tcp_chr_telnet_init(fd);
1936 socket_set_nonblock(fd);
1938 socket_set_nodelay(fd);
1940 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
1941 tcp_chr_connect(chr);
1944 static void tcp_chr_close(CharDriverState *chr)
1946 TCPCharDriver *s = chr->opaque;
1949 if (s->listen_fd >= 0)
1950 closesocket(s->listen_fd);
1954 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
1958 CharDriverState *chr = NULL;
1959 TCPCharDriver *s = NULL;
1960 int fd = -1, ret, err, val;
1962 int is_waitconnect = 1;
1965 struct sockaddr_in saddr;
1967 struct sockaddr_un uaddr;
1969 struct sockaddr *addr;
1974 addr = (struct sockaddr *)&uaddr;
1975 addrlen = sizeof(uaddr);
1976 if (parse_unix_path(&uaddr, host_str) < 0)
1981 addr = (struct sockaddr *)&saddr;
1982 addrlen = sizeof(saddr);
1983 if (parse_host_port(&saddr, host_str) < 0)
1988 while((ptr = strchr(ptr,','))) {
1990 if (!strncmp(ptr,"server",6)) {
1992 } else if (!strncmp(ptr,"nowait",6)) {
1994 } else if (!strncmp(ptr,"nodelay",6)) {
1997 printf("Unknown option: %s\n", ptr);
2004 chr = qemu_mallocz(sizeof(CharDriverState));
2007 s = qemu_mallocz(sizeof(TCPCharDriver));
2013 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2016 fd = socket(PF_INET, SOCK_STREAM, 0);
2021 if (!is_waitconnect)
2022 socket_set_nonblock(fd);
2027 s->is_unix = is_unix;
2028 s->do_nodelay = do_nodelay && !is_unix;
2031 chr->chr_write = tcp_chr_write;
2032 chr->chr_close = tcp_chr_close;
2035 /* allow fast reuse */
2039 pstrcpy(path, sizeof(path), uaddr.sun_path);
2045 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2048 ret = bind(fd, addr, addrlen);
2052 ret = listen(fd, 0);
2057 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2059 s->do_telnetopt = 1;
2062 ret = connect(fd, addr, addrlen);
2064 err = socket_error();
2065 if (err == EINTR || err == EWOULDBLOCK) {
2066 } else if (err == EINPROGRESS) {
2069 } else if (err == WSAEALREADY) {
2081 socket_set_nodelay(fd);
2083 tcp_chr_connect(chr);
2085 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2088 if (is_listen && is_waitconnect) {
2089 printf("QEMU waiting for connection on: %s\n", host_str);
2090 tcp_chr_accept(chr);
2091 socket_set_nonblock(s->listen_fd);
2103 static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs
2104 = TAILQ_HEAD_INITIALIZER(chardevs);
2106 CharDriverState *qemu_chr_open(const char *label, const char *filename)
2109 CharDriverState *chr;
2111 if (!strcmp(filename, "vc")) {
2112 chr = text_console_init(&display_state, 0);
2114 if (strstart(filename, "vc:", &p)) {
2115 chr = text_console_init(&display_state, p);
2117 if (!strcmp(filename, "null")) {
2118 chr = qemu_chr_open_null();
2120 if (strstart(filename, "tcp:", &p)) {
2121 chr = qemu_chr_open_tcp(p, 0, 0);
2123 if (strstart(filename, "telnet:", &p)) {
2124 chr = qemu_chr_open_tcp(p, 1, 0);
2126 if (strstart(filename, "udp:", &p)) {
2127 chr = qemu_chr_open_udp(p);
2129 if (strstart(filename, "mon:", &p)) {
2130 chr = qemu_chr_open(label, p);
2132 chr = qemu_chr_open_mux(chr);
2133 monitor_init(chr, !nographic);
2135 printf("Unable to open driver: %s\n", p);
2139 if (strstart(filename, "unix:", &p)) {
2140 chr = qemu_chr_open_tcp(p, 0, 1);
2141 } else if (strstart(filename, "file:", &p)) {
2142 chr = qemu_chr_open_file_out(p);
2143 } else if (strstart(filename, "pipe:", &p)) {
2144 chr = qemu_chr_open_pipe(p);
2145 } else if (!strcmp(filename, "pty")) {
2146 chr = qemu_chr_open_pty();
2147 } else if (!strcmp(filename, "stdio")) {
2148 chr = qemu_chr_open_stdio();
2150 #if defined(__linux__)
2151 if (strstart(filename, "/dev/parport", NULL)) {
2152 chr = qemu_chr_open_pp(filename);
2155 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2156 || defined(__NetBSD__) || defined(__OpenBSD__)
2157 if (strstart(filename, "/dev/", NULL)) {
2158 chr = qemu_chr_open_tty(filename);
2162 if (strstart(filename, "COM", NULL)) {
2163 chr = qemu_chr_open_win(filename);
2165 if (strstart(filename, "pipe:", &p)) {
2166 chr = qemu_chr_open_win_pipe(p);
2168 if (strstart(filename, "con:", NULL)) {
2169 chr = qemu_chr_open_win_con(filename);
2171 if (strstart(filename, "file:", &p)) {
2172 chr = qemu_chr_open_win_file_out(p);
2175 #ifdef CONFIG_BRLAPI
2176 if (!strcmp(filename, "braille")) {
2177 chr = chr_baum_init();
2186 chr->filename = qemu_strdup(filename);
2187 chr->label = qemu_strdup(label);
2188 TAILQ_INSERT_TAIL(&chardevs, chr, next);
2193 void qemu_chr_close(CharDriverState *chr)
2195 TAILQ_REMOVE(&chardevs, chr, next);
2197 chr->chr_close(chr);
2198 qemu_free(chr->filename);
2199 qemu_free(chr->label);
2203 void qemu_chr_info(void)
2205 CharDriverState *chr;
2207 TAILQ_FOREACH(chr, &chardevs, next) {
2208 term_printf("%s: filename=%s\n", chr->label, chr->filename);