981 lines
20 KiB
C
981 lines
20 KiB
C
/* $NetBSD: ite.c,v 1.29 1996/02/24 00:55:20 thorpej Exp $ */
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/*
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* Copyright (c) 1996 Jason R. Thorpe. All rights reserved.
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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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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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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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* from: Utah $Hdr: ite.c 1.28 92/12/20$
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*
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* @(#)ite.c 8.2 (Berkeley) 1/12/94
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*/
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/*
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* Bit-mapped display terminal emulator machine independent code.
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* This is a very rudimentary. Much more can be abstracted out of
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* the hardware dependent routines.
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*/
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#include "ite.h"
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#if NITE > 0
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#include "grf.h"
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#undef NITE
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#define NITE NGRF
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <machine/autoconf.h>
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#include <dev/cons.h>
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#include <hp300/dev/grfioctl.h>
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#include <hp300/dev/grfvar.h>
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#include <hp300/dev/itevar.h>
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#include <hp300/dev/kbdmap.h>
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#define set_attr(ip, attr) ((ip)->attribute |= (attr))
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#define clr_attr(ip, attr) ((ip)->attribute &= ~(attr))
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/*
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* No need to raise SPL above the HIL (the only thing that can
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* affect our state.
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*/
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#include <hp300/dev/hilreg.h>
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#define splite() splhil()
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/*
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* # of chars are output in a single itestart() call.
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* If this is too big, user processes will be blocked out for
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* long periods of time while we are emptying the queue in itestart().
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* If it is too small, console output will be very ragged.
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*/
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int iteburst = 64;
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int nite = NITE;
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struct ite_data *kbd_ite = NULL;
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struct ite_softc ite_softc[NITE];
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/*
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* Terminal emulator state information, statically allocated
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* for the benefit of the console.
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*/
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struct ite_data ite_cn;
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void iteinit __P((struct ite_data *));
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void iteputchar __P((int, struct ite_data *));
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void itecheckwrap __P((struct ite_data *, struct itesw *));
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void ite_dchar __P((struct ite_data *, struct itesw *));
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void ite_ichar __P((struct ite_data *, struct itesw *));
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void ite_dline __P((struct ite_data *, struct itesw *));
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void ite_iline __P((struct ite_data *, struct itesw *));
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void ite_clrtoeol __P((struct ite_data *, struct itesw *, int, int));
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void ite_clrtoeos __P((struct ite_data *, struct itesw *));
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void itestart __P((struct tty *));
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/*
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* Primary attribute buffer to be used by the first bitmapped console
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* found. Secondary displays alloc the attribute buffer as needed.
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* Size is based on a 68x128 display, which is currently our largest.
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*/
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u_char console_attributes[0x2200];
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#define ite_erasecursor(ip, sp) { \
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if ((ip)->flags & ITE_CURSORON) \
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(*(sp)->ite_cursor)((ip), ERASE_CURSOR); \
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}
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#define ite_drawcursor(ip, sp) { \
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if ((ip)->flags & ITE_CURSORON) \
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(*(sp)->ite_cursor)((ip), DRAW_CURSOR); \
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}
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#define ite_movecursor(ip, sp) { \
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if ((ip)->flags & ITE_CURSORON) \
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(*(sp)->ite_cursor)((ip), MOVE_CURSOR); \
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}
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/*
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* Dummy for pseudo-device config.
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*/
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/*ARGSUSED*/
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void
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iteattach(n)
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int n;
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{
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}
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/*
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* Allocate storage for ite data structures.
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* XXX This is a kludge and will go away with new config.
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*/
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void
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ite_attach_grf(unit, isconsole)
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int unit, isconsole;
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{
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struct ite_softc *ite = &ite_softc[unit];
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struct grf_softc *grf = &grf_softc[unit];
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/*
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* Check to see if our structure is pre-allocated.
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*/
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if (isconsole) {
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ite->sc_data = &ite_cn;
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/*
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* We didn't know which unit this would be during
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* the console probe, so we have to fixup cn_dev here.
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*/
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cn_tab->cn_dev = makedev(ite_major(), unit);
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} else {
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ite->sc_data =
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(struct ite_data *)malloc(sizeof(struct ite_data),
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M_DEVBUF, M_NOWAIT);
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if (ite->sc_data == NULL) {
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printf("ite_attach_grf: malloc for ite_data failed\n");
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return;
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}
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bzero(ite->sc_data, sizeof(struct ite_data));
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}
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/*
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* Cross-reference the ite and the grf.
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*/
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ite->sc_grf = grf;
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grf->sc_ite = ite;
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printf("ite%d at grf%d: attached\n", unit, unit);
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}
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/*
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* Perform functions necessary to setup device as a terminal emulator.
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*/
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int
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iteon(ip, flag)
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struct ite_data *ip;
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int flag;
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{
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if ((ip->flags & ITE_ALIVE) == 0)
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return(ENXIO);
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/* force ite active, overriding graphics mode */
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if (flag & 1) {
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ip->flags |= ITE_ACTIVE;
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ip->flags &= ~(ITE_INGRF|ITE_INITED);
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}
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/* leave graphics mode */
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if (flag & 2) {
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ip->flags &= ~ITE_INGRF;
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if ((ip->flags & ITE_ACTIVE) == 0)
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return(0);
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}
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ip->flags |= ITE_ACTIVE;
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if (ip->flags & ITE_INGRF)
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return(0);
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if (kbd_ite == NULL || kbd_ite == ip) {
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kbd_ite = ip;
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kbdenable(0); /* XXX */
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}
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iteinit(ip);
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return(0);
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}
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void
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iteinit(ip)
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struct ite_data *ip;
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{
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if (ip->flags & ITE_INITED)
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return;
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ip->curx = 0;
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ip->cury = 0;
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ip->cursorx = 0;
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ip->cursory = 0;
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(*ip->isw->ite_init)(ip);
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ip->flags |= ITE_CURSORON;
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ite_drawcursor(ip, ip->isw);
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ip->attribute = 0;
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if (ip->attrbuf == NULL)
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ip->attrbuf = (u_char *)
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malloc(ip->rows * ip->cols, M_DEVBUF, M_WAITOK);
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bzero(ip->attrbuf, (ip->rows * ip->cols));
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ip->imode = 0;
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ip->flags |= ITE_INITED;
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}
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/*
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* "Shut down" device as terminal emulator.
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* Note that we do not deinit the console device unless forced.
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* Deinit'ing the console every time leads to a very active
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* screen when processing /etc/rc.
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*/
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void
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iteoff(ip, flag)
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struct ite_data *ip;
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int flag;
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{
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if (flag & 2) {
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ip->flags |= ITE_INGRF;
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ip->flags &= ~ITE_CURSORON;
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}
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if ((ip->flags & ITE_ACTIVE) == 0)
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return;
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if ((flag & 1) ||
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(ip->flags & (ITE_INGRF|ITE_ISCONS|ITE_INITED)) == ITE_INITED)
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(*ip->isw->ite_deinit)(ip);
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/*
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* XXX When the system is rebooted with "reboot", init(8)
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* kills the last process to have the console open.
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* If we don't revent the the ITE_ACTIVE bit from being
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* cleared, we will never see messages printed during
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* the process of rebooting.
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*/
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if ((flag & 2) == 0 && (ip->flags & ITE_ISCONS) == 0)
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ip->flags &= ~ITE_ACTIVE;
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}
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/* ARGSUSED */
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int
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iteopen(dev, mode, devtype, p)
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dev_t dev;
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int mode, devtype;
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struct proc *p;
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{
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int unit = ITEUNIT(dev);
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struct tty *tp;
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struct ite_softc *sc = &ite_softc[unit];
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struct ite_data *ip = sc->sc_data;
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int error;
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int first = 0;
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if (ip->tty == NULL)
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tp = ip->tty = ttymalloc();
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else
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tp = ip->tty;
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if ((tp->t_state&(TS_ISOPEN|TS_XCLUDE)) == (TS_ISOPEN|TS_XCLUDE)
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&& p->p_ucred->cr_uid != 0)
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return (EBUSY);
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if ((ip->flags & ITE_ACTIVE) == 0) {
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error = iteon(ip, 0);
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if (error)
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return (error);
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first = 1;
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}
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tp->t_oproc = itestart;
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tp->t_param = NULL;
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tp->t_dev = dev;
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if ((tp->t_state&TS_ISOPEN) == 0) {
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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_cflag = CS8|CREAD;
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tp->t_lflag = TTYDEF_LFLAG;
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tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
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tp->t_state = TS_ISOPEN|TS_CARR_ON;
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ttsetwater(tp);
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}
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error = (*linesw[tp->t_line].l_open)(dev, tp);
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if (error == 0) {
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tp->t_winsize.ws_row = ip->rows;
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tp->t_winsize.ws_col = ip->cols;
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} else if (first)
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iteoff(ip, 0);
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return (error);
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}
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/*ARGSUSED*/
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int
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iteclose(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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struct ite_softc *sc = &ite_softc[ITEUNIT(dev)];
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struct ite_data *ip = sc->sc_data;
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struct tty *tp = ip->tty;
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(*linesw[tp->t_line].l_close)(tp, flag);
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ttyclose(tp);
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iteoff(ip, 0);
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#if 0
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ttyfree(tp);
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ip->tty = (struct tty *)0;
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#endif
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return(0);
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}
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int
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iteread(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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struct ite_softc *sc = &ite_softc[ITEUNIT(dev)];
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struct tty *tp = sc->sc_data->tty;
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return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
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}
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int
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itewrite(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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struct ite_softc *sc = &ite_softc[ITEUNIT(dev)];
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struct tty *tp = sc->sc_data->tty;
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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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itetty(dev)
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dev_t dev;
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{
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struct ite_softc *sc = &ite_softc[ITEUNIT(dev)];
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return (sc->sc_data->tty);
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}
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int
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iteioctl(dev, cmd, addr, flag, p)
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dev_t dev;
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int cmd;
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caddr_t addr;
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int flag;
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struct proc *p;
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{
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struct ite_softc *sc = &ite_softc[ITEUNIT(dev)];
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struct ite_data *ip = sc->sc_data;
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struct tty *tp = ip->tty;
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int error;
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error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
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if (error >= 0)
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return (error);
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error = ttioctl(tp, cmd, addr, flag, p);
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if (error >= 0)
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return (error);
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return (ENOTTY);
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}
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void
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itestart(tp)
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register struct tty *tp;
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{
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register int cc, s;
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int hiwat = 0, hadcursor = 0;
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struct ite_softc *sc;
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struct ite_data *ip;
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sc = &ite_softc[ITEUNIT(tp->t_dev)];
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ip = sc->sc_data;
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/*
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* (Potentially) lower priority. We only need to protect ourselves
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* from keyboard interrupts since that is all that can affect the
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* state of our tty (kernel printf doesn't go through this routine).
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*/
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s = splite();
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if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) {
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splx(s);
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return;
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}
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tp->t_state |= TS_BUSY;
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cc = tp->t_outq.c_cc;
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if (cc <= tp->t_lowat) {
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if (tp->t_state & TS_ASLEEP) {
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tp->t_state &= ~TS_ASLEEP;
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wakeup((caddr_t)&tp->t_outq);
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}
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selwakeup(&tp->t_wsel);
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}
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/*
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* Handle common (?) case
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*/
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if (cc == 1) {
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iteputchar(getc(&tp->t_outq), ip);
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} else if (cc) {
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/*
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* Limit the amount of output we do in one burst
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* to prevent hogging the CPU.
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*/
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if (cc > iteburst) {
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hiwat++;
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cc = iteburst;
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}
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/*
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* Turn off cursor while we output multiple characters.
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* Saves a lot of expensive window move operations.
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*/
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if (ip->flags & ITE_CURSORON) {
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ite_erasecursor(ip, ip->isw);
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ip->flags &= ~ITE_CURSORON;
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hadcursor = 1;
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}
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while (--cc >= 0)
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iteputchar(getc(&tp->t_outq), ip);
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if (hadcursor) {
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ip->flags |= ITE_CURSORON;
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ite_drawcursor(ip, ip->isw);
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}
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if (hiwat) {
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tp->t_state |= TS_TIMEOUT;
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timeout(ttrstrt, tp, 1);
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}
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}
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tp->t_state &= ~TS_BUSY;
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splx(s);
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}
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void
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itestop(tp, flag)
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struct tty *tp;
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int flag;
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{
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}
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void
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itefilter(stat, c)
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char stat, c;
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{
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static int capsmode = 0;
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static int metamode = 0;
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register char code, *str;
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struct tty *kbd_tty = kbd_ite->tty;
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if (kbd_tty == NULL)
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return;
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switch (c & 0xFF) {
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case KBD_CAPSLOCK:
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capsmode = !capsmode;
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return;
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case KBD_EXT_LEFT_DOWN:
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case KBD_EXT_RIGHT_DOWN:
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metamode = 1;
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return;
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case KBD_EXT_LEFT_UP:
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case KBD_EXT_RIGHT_UP:
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metamode = 0;
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return;
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}
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c &= KBD_CHARMASK;
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switch ((stat>>KBD_SSHIFT) & KBD_SMASK) {
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case KBD_KEY:
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if (!capsmode) {
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code = kbd_keymap[c];
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break;
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}
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/* FALLTHROUGH */
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case KBD_SHIFT:
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code = kbd_shiftmap[c];
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break;
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case KBD_CTRL:
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code = kbd_ctrlmap[c];
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break;
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case KBD_CTRLSHIFT:
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code = kbd_ctrlshiftmap[c];
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break;
|
|
}
|
|
|
|
if (code == NULL && (str = kbd_stringmap[c]) != NULL) {
|
|
while (*str)
|
|
(*linesw[kbd_tty->t_line].l_rint)(*str++, kbd_tty);
|
|
} else {
|
|
if (metamode)
|
|
code |= 0x80;
|
|
(*linesw[kbd_tty->t_line].l_rint)(code, kbd_tty);
|
|
}
|
|
}
|
|
|
|
void
|
|
iteputchar(c, ip)
|
|
int c;
|
|
struct ite_data *ip;
|
|
{
|
|
struct itesw *sp = ip->isw;
|
|
int n;
|
|
|
|
if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
|
|
return;
|
|
|
|
if (ip->escape) {
|
|
doesc:
|
|
switch (ip->escape) {
|
|
|
|
case '&': /* Next can be a,d, or s */
|
|
if (ip->fpd++) {
|
|
ip->escape = c;
|
|
ip->fpd = 0;
|
|
}
|
|
return;
|
|
|
|
case 'a': /* cursor change */
|
|
switch (c) {
|
|
|
|
case 'Y': /* Only y coord. */
|
|
ip->cury = min(ip->pos, ip->rows-1);
|
|
ip->pos = 0;
|
|
ip->escape = 0;
|
|
ite_movecursor(ip, sp);
|
|
clr_attr(ip, ATTR_INV);
|
|
break;
|
|
|
|
case 'y': /* y coord first */
|
|
ip->cury = min(ip->pos, ip->rows-1);
|
|
ip->pos = 0;
|
|
ip->fpd = 0;
|
|
break;
|
|
|
|
case 'C': /* x coord */
|
|
ip->curx = min(ip->pos, ip->cols-1);
|
|
ip->pos = 0;
|
|
ip->escape = 0;
|
|
ite_movecursor(ip, sp);
|
|
clr_attr(ip, ATTR_INV);
|
|
break;
|
|
|
|
default: /* Possibly a 3 digit number. */
|
|
if (c >= '0' && c <= '9' && ip->fpd < 3) {
|
|
ip->pos = ip->pos * 10 + (c - '0');
|
|
ip->fpd++;
|
|
} else {
|
|
ip->pos = 0;
|
|
ip->escape = 0;
|
|
}
|
|
break;
|
|
}
|
|
return;
|
|
|
|
case 'd': /* attribute change */
|
|
switch (c) {
|
|
|
|
case 'B':
|
|
set_attr(ip, ATTR_INV);
|
|
break;
|
|
case 'D':
|
|
/* XXX: we don't do anything for underline */
|
|
set_attr(ip, ATTR_UL);
|
|
break;
|
|
case '@':
|
|
clr_attr(ip, ATTR_ALL);
|
|
break;
|
|
}
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 's': /* keypad control */
|
|
switch (ip->fpd) {
|
|
|
|
case 0:
|
|
ip->hold = c;
|
|
ip->fpd++;
|
|
return;
|
|
|
|
case 1:
|
|
if (c == 'A') {
|
|
switch (ip->hold) {
|
|
|
|
case '0':
|
|
clr_attr(ip, ATTR_KPAD);
|
|
break;
|
|
case '1':
|
|
set_attr(ip, ATTR_KPAD);
|
|
break;
|
|
}
|
|
}
|
|
ip->hold = 0;
|
|
}
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'i': /* back tab */
|
|
if (ip->curx > TABSIZE) {
|
|
n = ip->curx - (ip->curx & (TABSIZE - 1));
|
|
ip->curx -= n;
|
|
} else
|
|
ip->curx = 0;
|
|
ite_movecursor(ip, sp);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case '3': /* clear all tabs */
|
|
goto ignore;
|
|
|
|
case 'K': /* clear_eol */
|
|
ite_clrtoeol(ip, sp, ip->cury, ip->curx);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'J': /* clear_eos */
|
|
ite_clrtoeos(ip, sp);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'B': /* cursor down 1 line */
|
|
if (++ip->cury == ip->rows) {
|
|
--ip->cury;
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
|
|
ite_clrtoeol(ip, sp, ip->cury, 0);
|
|
}
|
|
else
|
|
ite_movecursor(ip, sp);
|
|
clr_attr(ip, ATTR_INV);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'C': /* cursor forward 1 char */
|
|
ip->escape = 0;
|
|
itecheckwrap(ip, sp);
|
|
return;
|
|
|
|
case 'A': /* cursor up 1 line */
|
|
if (ip->cury > 0) {
|
|
ip->cury--;
|
|
ite_movecursor(ip, sp);
|
|
}
|
|
ip->escape = 0;
|
|
clr_attr(ip, ATTR_INV);
|
|
return;
|
|
|
|
case 'P': /* delete character */
|
|
ite_dchar(ip, sp);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'M': /* delete line */
|
|
ite_dline(ip, sp);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'Q': /* enter insert mode */
|
|
ip->imode = 1;
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'R': /* exit insert mode */
|
|
ip->imode = 0;
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'L': /* insert blank line */
|
|
ite_iline(ip, sp);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'h': /* home key */
|
|
ip->cury = ip->curx = 0;
|
|
ite_movecursor(ip, sp);
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case 'D': /* left arrow key */
|
|
if (ip->curx > 0) {
|
|
ip->curx--;
|
|
ite_movecursor(ip, sp);
|
|
}
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
case '1': /* set tab in all rows */
|
|
goto ignore;
|
|
|
|
case ESC:
|
|
if ((ip->escape = c) == ESC)
|
|
break;
|
|
ip->fpd = 0;
|
|
goto doesc;
|
|
|
|
default:
|
|
ignore:
|
|
ip->escape = 0;
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
switch (c &= 0x7F) {
|
|
|
|
case '\n':
|
|
|
|
if (++ip->cury == ip->rows) {
|
|
--ip->cury;
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
|
|
ite_clrtoeol(ip, sp, ip->cury, 0);
|
|
} else
|
|
ite_movecursor(ip, sp);
|
|
clr_attr(ip, ATTR_INV);
|
|
break;
|
|
|
|
case '\r':
|
|
if (ip->curx) {
|
|
ip->curx = 0;
|
|
ite_movecursor(ip, sp);
|
|
}
|
|
break;
|
|
|
|
case '\b':
|
|
if (--ip->curx < 0)
|
|
ip->curx = 0;
|
|
else
|
|
ite_movecursor(ip, sp);
|
|
break;
|
|
|
|
case '\t':
|
|
if (ip->curx < TABEND(ip)) {
|
|
n = TABSIZE - (ip->curx & (TABSIZE - 1));
|
|
ip->curx += n;
|
|
ite_movecursor(ip, sp);
|
|
} else
|
|
itecheckwrap(ip, sp);
|
|
break;
|
|
|
|
case CTRL('G'):
|
|
if (ip == kbd_ite)
|
|
kbdbell(0); /* XXX */
|
|
break;
|
|
|
|
case ESC:
|
|
ip->escape = ESC;
|
|
break;
|
|
|
|
default:
|
|
if (c < ' ' || c == DEL)
|
|
break;
|
|
if (ip->imode)
|
|
ite_ichar(ip, sp);
|
|
if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
|
|
attrset(ip, ATTR_INV);
|
|
(*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_INV);
|
|
} else
|
|
(*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR);
|
|
ite_drawcursor(ip, sp);
|
|
itecheckwrap(ip, sp);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
itecheckwrap(ip, sp)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
{
|
|
if (++ip->curx == ip->cols) {
|
|
ip->curx = 0;
|
|
clr_attr(ip, ATTR_INV);
|
|
if (++ip->cury == ip->rows) {
|
|
--ip->cury;
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
|
|
ite_clrtoeol(ip, sp, ip->cury, 0);
|
|
return;
|
|
}
|
|
}
|
|
ite_movecursor(ip, sp);
|
|
}
|
|
|
|
void
|
|
ite_dchar(ip, sp)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
{
|
|
if (ip->curx < ip->cols - 1) {
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, ip->cury, ip->curx + 1, 1, SCROLL_LEFT);
|
|
attrmov(ip, ip->cury, ip->curx + 1, ip->cury, ip->curx,
|
|
1, ip->cols - ip->curx - 1);
|
|
}
|
|
attrclr(ip, ip->cury, ip->cols - 1, 1, 1);
|
|
(*sp->ite_putc)(ip, ' ', ip->cury, ip->cols - 1, ATTR_NOR);
|
|
ite_drawcursor(ip, sp);
|
|
}
|
|
|
|
void
|
|
ite_ichar(ip, sp)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
{
|
|
if (ip->curx < ip->cols - 1) {
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, ip->cury, ip->curx, 1, SCROLL_RIGHT);
|
|
attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + 1,
|
|
1, ip->cols - ip->curx - 1);
|
|
}
|
|
attrclr(ip, ip->cury, ip->curx, 1, 1);
|
|
(*sp->ite_putc)(ip, ' ', ip->cury, ip->curx, ATTR_NOR);
|
|
ite_drawcursor(ip, sp);
|
|
}
|
|
|
|
void
|
|
ite_dline(ip, sp)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
{
|
|
if (ip->cury < ip->rows - 1) {
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, ip->cury + 1, 0, 1, SCROLL_UP);
|
|
attrmov(ip, ip->cury + 1, 0, ip->cury, 0,
|
|
ip->rows - ip->cury - 1, ip->cols);
|
|
}
|
|
ite_clrtoeol(ip, sp, ip->rows - 1, 0);
|
|
}
|
|
|
|
void
|
|
ite_iline(ip, sp)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
{
|
|
if (ip->cury < ip->rows - 1) {
|
|
ite_erasecursor(ip, sp);
|
|
(*sp->ite_scroll)(ip, ip->cury, 0, 1, SCROLL_DOWN);
|
|
attrmov(ip, ip->cury, 0, ip->cury + 1, 0,
|
|
ip->rows - ip->cury - 1, ip->cols);
|
|
}
|
|
ite_clrtoeol(ip, sp, ip->cury, 0);
|
|
}
|
|
|
|
void
|
|
ite_clrtoeol(ip, sp, y, x)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
int y, x;
|
|
{
|
|
(*sp->ite_clear)(ip, y, x, 1, ip->cols - x);
|
|
attrclr(ip, y, x, 1, ip->cols - x);
|
|
ite_drawcursor(ip, sp);
|
|
}
|
|
|
|
void
|
|
ite_clrtoeos(ip, sp)
|
|
struct ite_data *ip;
|
|
struct itesw *sp;
|
|
{
|
|
(*sp->ite_clear)(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
|
|
attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
|
|
ite_drawcursor(ip, sp);
|
|
}
|
|
|
|
int
|
|
ite_major()
|
|
{
|
|
static int itemaj, initialized;
|
|
|
|
/* Only compute once. */
|
|
if (initialized)
|
|
return (itemaj);
|
|
initialized = 1;
|
|
|
|
/* locate the major number */
|
|
for (itemaj = 0; itemaj < nchrdev; itemaj++)
|
|
if (cdevsw[itemaj].d_open == iteopen)
|
|
|
|
return (itemaj);
|
|
}
|
|
|
|
/*
|
|
* Console functions. Console probes are done by the individual
|
|
* framebuffer drivers.
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
itecngetc(dev)
|
|
dev_t dev;
|
|
{
|
|
register int c;
|
|
int stat;
|
|
|
|
c = kbdgetc(0, &stat); /* XXX always read from keyboard 0 for now */
|
|
switch ((stat >> KBD_SSHIFT) & KBD_SMASK) {
|
|
case KBD_SHIFT:
|
|
c = kbd_shiftmap[c & KBD_CHARMASK];
|
|
break;
|
|
case KBD_CTRL:
|
|
c = kbd_ctrlmap[c & KBD_CHARMASK];
|
|
break;
|
|
case KBD_KEY:
|
|
c = kbd_keymap[c & KBD_CHARMASK];
|
|
break;
|
|
default:
|
|
c = 0;
|
|
break;
|
|
}
|
|
return(c);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
itecnputc(dev, c)
|
|
dev_t dev;
|
|
int c;
|
|
{
|
|
static int paniced = 0;
|
|
struct ite_data *ip = &ite_cn;
|
|
|
|
if (panicstr && !paniced &&
|
|
(ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) {
|
|
(void) iteon(ip, 3);
|
|
paniced = 1;
|
|
}
|
|
iteputchar(c, ip);
|
|
}
|
|
#endif
|