1/*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: head/sys/dev/sio/sio.c 111815 2003-03-03 12:15:54Z phk $
34 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
35 * from: i386/isa sio.c,v 1.234
36 */
37
38#include "opt_comconsole.h"
39#include "opt_compat.h"
40#include "opt_ddb.h"
41#include "opt_sio.h"
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309static d_open_t sioopen;
310static d_close_t sioclose;
311static d_read_t sioread;
312static d_write_t siowrite;
313static d_ioctl_t sioioctl;
314
315#define CDEV_MAJOR 28
316static struct cdevsw sio_cdevsw = {
317 .d_open = sioopen,
318 .d_close = sioclose,
319 .d_read = sioread,
320 .d_write = siowrite,
321 .d_ioctl = sioioctl,
322 .d_poll = ttypoll,
323 .d_name = sio_driver_name,
324 .d_maj = CDEV_MAJOR,
325 .d_flags = D_TTY | D_KQFILTER,
326 .d_kqfilter = ttykqfilter,
327};
328
329int comconsole = -1;
330static volatile speed_t comdefaultrate = CONSPEED;
331static u_long comdefaultrclk = DEFAULT_RCLK;
332SYSCTL_ULONG(_machdep, OID_AUTO, conrclk, CTLFLAG_RW, &comdefaultrclk, 0, "");
333static speed_t gdbdefaultrate = GDBSPEED;
334SYSCTL_UINT(_machdep, OID_AUTO, gdbspeed, CTLFLAG_RW,
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2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: head/sys/dev/sio/sio.c 111815 2003-03-03 12:15:54Z phk $
34 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
35 * from: i386/isa sio.c,v 1.234
36 */
37
38#include "opt_comconsole.h"
39#include "opt_compat.h"
40#include "opt_ddb.h"
41#include "opt_sio.h"
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309static d_open_t sioopen;
310static d_close_t sioclose;
311static d_read_t sioread;
312static d_write_t siowrite;
313static d_ioctl_t sioioctl;
314
315#define CDEV_MAJOR 28
316static struct cdevsw sio_cdevsw = {
317 .d_open = sioopen,
318 .d_close = sioclose,
319 .d_read = sioread,
320 .d_write = siowrite,
321 .d_ioctl = sioioctl,
322 .d_poll = ttypoll,
323 .d_name = sio_driver_name,
324 .d_maj = CDEV_MAJOR,
325 .d_flags = D_TTY | D_KQFILTER,
326 .d_kqfilter = ttykqfilter,
327};
328
329int comconsole = -1;
330static volatile speed_t comdefaultrate = CONSPEED;
331static u_long comdefaultrclk = DEFAULT_RCLK;
332SYSCTL_ULONG(_machdep, OID_AUTO, conrclk, CTLFLAG_RW, &comdefaultrclk, 0, "");
333static speed_t gdbdefaultrate = GDBSPEED;
334SYSCTL_UINT(_machdep, OID_AUTO, gdbspeed, CTLFLAG_RW,
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