373 lines
8.8 KiB
C
373 lines
8.8 KiB
C
/* $NetBSD: rcons.c,v 1.8 1996/02/11 07:14:58 jonathan Exp $ */
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/*
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* Copyright (c) 1995
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ted Lemon.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "rasterconsole.h"
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#if NRASTERCONSOLE > 0
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/conf.h>
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#include <sys/vnode.h>
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#include <pmax/stand/dec_prom.h>
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#include <pmax/dev/sccreg.h>
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#include <pmax/pmax/kn01.h>
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#include <pmax/pmax/kn02.h>
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#include <pmax/pmax/kmin.h>
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#include <pmax/pmax/maxine.h>
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#include <pmax/pmax/kn03.h>
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#include <pmax/pmax/asic.h>
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#include <pmax/pmax/turbochannel.h>
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#include <pmax/pmax/pmaxtype.h>
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#include <dev/cons.h>
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#include <sys/device.h>
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#include <machine/fbio.h>
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#include <dev/rcons/rcons.h>
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#include <dev/rcons/raster.h>
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#include <machine/fbvar.h>
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#include <machine/machConst.h>
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#include <machine/pmioctl.h>
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#include <pmax/dev/fbreg.h>
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/*
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* Console I/O is redirected to the appropriate device, either a screen and
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* keyboard, a serial port, or the "virtual" console.
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*/
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extern struct tty *constty; /* virtual console output device */
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struct tty *fbconstty; /* Frame buffer console tty... */
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struct tty rcons_tty [NRASTERCONSOLE]; /* Console tty struct... */
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extern struct consdev *cn_tab; /* Console I/O table... */
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struct vnode *cn_in_devvp; /* vnode for underlying input device. */
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dev_t cn_in_dev = NODEV; /* console input device. */
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char rcons_maxcols [20];
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void rcons_vputc __P ((dev_t dev, int c));
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void nobell __P ((int));
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/*
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* rcons_connect is called by fbconnect when the first frame buffer is
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* attached. That frame buffer will always be the console frame buffer.
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*/
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void
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rcons_connect (info)
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struct fbinfo *info;
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{
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static struct rconsole rc;
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static int row, col;
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/* If we're running a serial console, don't set up a raster console
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even if there's a device that can support it. */
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if (cn_tab -> cn_pri == CN_REMOTE)
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return;
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fbconstty = &rcons_tty [0];
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fbconstty->t_dev = makedev(85, 0); /* /dev/console */
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fbconstty->t_ispeed = fbconstty->t_ospeed = TTYDEF_SPEED;
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fbconstty->t_param = (int (*)(struct tty *, struct termios *))nullop;
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/*
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* Connect the console geometry...
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* the part that rcons.h says
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* "This section must be filled in by the framebugger device"
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*/
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rc.rc_width = info->fi_type.fb_width;
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rc.rc_height = info->fi_type.fb_height;
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rc.rc_depth = info->fi_type.fb_depth;
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rc.rc_pixels =info->fi_pixels;
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rc.rc_linebytes = info->fi_linebytes;
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#define HW_FONT_WIDTH 8
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#define HW_FONT_HEIGHT 15
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rc.rc_maxrow = rc.rc_height / HW_FONT_HEIGHT;
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rc.rc_maxcol = 80;
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rc.rc_bell = nobell;
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/* Initialize the state information. */
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rc.rc_bits = 0;
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rc.rc_ringing = 0;
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rc.rc_belldepth = 0;
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rc.rc_scroll = 0;
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rc.rc_p0 = 0;
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rc.rc_p1 = 0;
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/* The following two items may optionally be left zero */
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rc.rc_row = &row;
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rc.rc_col = &col;
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/* Initialize the rastercons font to something suitable for a qvss */
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rcons_font(&rc);
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row = (rc.rc_height / HW_FONT_HEIGHT) - 1;
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col = 0;
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rcons_init (&rc);
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rc.rc_xorigin = 0;
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rc.rc_yorigin = 0;
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}
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/* We don't support ringing the keyboard bell yet */
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void
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nobell(arg)
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int arg;
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{
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return;
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}
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/*
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* Hack around the rcons putchar interface not taking a dev_t.
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*/
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void
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rcons_vputc(dev, c)
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dev_t dev;
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int c;
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{
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int s;
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/*
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* Call the pointer-to-function that rcons_init tried to give us,
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* discarding the dev_t argument.
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*/
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extern void rcons_cnputc __P((int c));
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rcons_cnputc(c);
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}
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/*
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* Pseudo-device attach routine. rcons doesn't need to be a pseudo
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* device, and isn't on a sparc; this is a useful point to set up
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* the vnode, clean up pmax console initialization, and set
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* the initial tty size.
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/* ARGSUSED */
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rasterconsoleattach (n)
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int n;
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{
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register struct tty *tp = &rcons_tty [0];
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int status;
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/* Set up the tty queues now... */
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clalloc(&tp->t_rawq, 1024, 1);
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clalloc(&tp->t_canq, 1024, 1);
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/* output queue doesn't need quoting */
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clalloc(&tp->t_outq, 1024, 0);
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#ifdef DEBUG
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printf("rconsattach: %d raster consoles\n", n);
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#endif
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#ifdef notyet /* ugly console input on pmaxes */
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/* Try to set up the input device... */
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if (cn_in_dev != NODEV && cn_in_devvp == NULLVP) {
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/* try to get a reference on its vnode, but fail silently */
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cdevvp(cn_in_dev, &cn_in_devvp);
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status = ((*cdevsw[major(cn_in_dev)].d_open)
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(cn_in_dev, O_NONBLOCK, S_IFCHR, curproc)); /* XXX */
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if (status)
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printf ("rconsattach: input device open failed: %d\n",
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status);
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}
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/* Now the input side has been opened cleanly, we can dispense
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* with any special-case console input hacks, and point the
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* console device at rcons.
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*/
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#endif
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}
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/* ARGSUSED */
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rconsopen(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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register struct tty *tp = &rcons_tty [0];
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static int firstopen = 1;
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int status;
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if ((tp->t_state & TS_ISOPEN) == 0) {
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/*
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* Leave baud rate alone!
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*/
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ttychars(tp);
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tp->t_iflag = TTYDEF_IFLAG;
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tp->t_oflag = TTYDEF_OFLAG;
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tp->t_lflag = TTYDEF_LFLAG;
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tp->t_cflag = TTYDEF_CFLAG;
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tp->t_state = TS_ISOPEN | TS_CARR_ON;
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(void)(*tp->t_param)(tp, &tp->t_termios);
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ttsetwater(tp);
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} else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
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return (EBUSY);
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status = (*linesw[tp->t_line].l_open)(dev, tp);
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return status;
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}
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/* ARGSUSED */
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rconsclose(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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register struct tty *tp = &rcons_tty [0];
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struct vnode *vp;
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(*linesw[tp->t_line].l_close)(tp, flag);
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ttyclose(tp);
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return (0);
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}
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/* ARGSUSED */
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rconsread(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register struct tty *tp = &rcons_tty [0];
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return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
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}
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/* ARGSUSED */
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rconswrite(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register struct tty *tp;
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tp = &rcons_tty [0];
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return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
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}
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struct tty *
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rconstty(dev)
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dev_t dev;
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{
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register struct tty *tp = &rcons_tty [0];
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return (tp);
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}
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rconsioctl(dev, cmd, data, flag, p)
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dev_t dev;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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register struct tty *tp;
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int error;
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tp = &rcons_tty [0];
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if ((error = linesw[tp->t_line].l_ioctl(tp, cmd, data, flag, p)) >= 0)
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return (error);
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if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
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return (error);
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return (ENOTTY);
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}
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/* ARGSUSED */
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rconsstop (tp, rw)
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struct tty *tp;
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int rw;
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{
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}
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/*ARGSUSED*/
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rconsreset (tp, rw)
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struct tty *tp;
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int rw;
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{
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}
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/*ARGSUSED*/
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rconsselect(dev, which, p)
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dev_t dev;
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int which;
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struct proc *p;
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{
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return (ttselect(dev, which, p));
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}
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/*ARGSUSED*/
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rconsmmap ()
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{
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return 0;
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}
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rconsstrategy(bp)
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struct buf *bp;
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{
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}
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/* Called by real input device when there is input for rcons. Passes
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input through line discpline interrupt routine... */
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rcons_input (dev, ic)
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dev_t dev;
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int ic;
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{
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struct tty *tp;
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int unit = minor (dev);
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if (unit > NRASTERCONSOLE)
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return;
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tp = &rcons_tty [unit];
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if (!(tp -> t_state & TS_ISOPEN)) {
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return;
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}
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(*linesw [tp -> t_line].l_rint)(ic, tp);
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}
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#endif /* NRASTERCONSOLE > 0 */
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