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NetBSD 0.9
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: ite.c 1.1 90/07/09$
*
* from: @(#)ite.c 7.6 (Berkeley) 5/16/91
* ite.c,v 1.1.1.1 1993/07/05 19:19:44 mw Exp
*/
/*
* Bit-mapped display terminal emulator machine independent code.
* This is a very rudimentary. Much more can be abstracted out of
* the hardware dependent routines.
*/
#include "ite.h"
#if NITE > 0
#include "grf.h"
#undef NITE
#define NITE NGRF
#include "param.h"
#include "conf.h"
#include "proc.h"
#include "ioctl.h"
#include "tty.h"
#include "systm.h"
#include "malloc.h"
#include "itevar.h"
#include "iteioctl.h"
#include "kbdmap.h"
#include "machine/cpu.h"
#ifdef __STDC__
/* automatically generated, as you might guess:-) */
struct consdev;
struct itesw;
extern int iteon (dev_t dev, int flag);
extern int iteinit (dev_t dev);
extern int iteoff (dev_t dev, int flag);
extern int iteopen (dev_t dev, int mode, int devtype, struct proc *p);
extern int iteclose (dev_t dev, int flag, int mode, struct proc *p);
extern int iteread (dev_t dev, struct uio *uio, int flag);
extern int itewrite (dev_t dev, struct uio *uio, int flag);
extern int iteioctl (dev_t dev, int cmd, caddr_t addr, int flag);
extern int itestart (register struct tty *tp);
extern int itefilter (register u_char c, enum caller caller);
extern int iteputchar (register int c, dev_t dev);
extern int itecheckwrap (register struct ite_softc *ip, register struct itesw *sp);
extern int itecnprobe (struct consdev *cp);
extern int itecninit (struct consdev *cp);
extern int itecngetc (dev_t dev);
extern int itecnputc (dev_t dev, int c);
static void repeat_handler (int a0, int a1);
static void ite_dnchar (struct ite_softc *ip, struct itesw *sp, int n);
static void ite_inchar (struct ite_softc *ip, struct itesw *sp, int n);
static void ite_clrtoeol (struct ite_softc *ip, struct itesw *sp, int y, int x);
static void ite_clrtobol (struct ite_softc *ip, struct itesw *sp, int y, int x);
static void ite_clrline (struct ite_softc *ip, struct itesw *sp, int y, int x);
static void ite_clrtoeos (struct ite_softc *ip, struct itesw *sp);
static void ite_clrtobos (struct ite_softc *ip, struct itesw *sp);
static void ite_clrscreen (struct ite_softc *ip, struct itesw *sp);
static void ite_dnline (struct ite_softc *ip, struct itesw *sp, int n);
static void ite_inline (struct ite_softc *ip, struct itesw *sp, int n);
static void ite_lf (struct ite_softc *ip, struct itesw *sp);
static void ite_crlf (struct ite_softc *ip, struct itesw *sp);
static void ite_cr (struct ite_softc *ip, struct itesw *sp);
static void ite_rlf (struct ite_softc *ip, struct itesw *sp);
static int atoi (const char *cp);
static char *index (const char *cp, char ch);
static int ite_argnum (struct ite_softc *ip);
static int ite_zargnum (struct ite_softc *ip);
static void ite_sendstr (struct ite_softc *ip, char *str);
static int strncmp (const char *a, const char *b, int l);
#endif
#define set_attr(ip, attr) ((ip)->attribute |= (attr))
#define clr_attr(ip, attr) ((ip)->attribute &= ~(attr))
extern int nodev();
int customc_scroll(), customc_init(), customc_deinit();
int customc_clear(), customc_putc(), customc_cursor();
int tiga_scroll(), tiga_init(), tiga_deinit();
int tiga_clear(), tiga_putc(), tiga_cursor();
struct itesw itesw[] =
{
customc_init, customc_deinit, customc_clear,
customc_putc, customc_cursor, customc_scroll,
tiga_init, tiga_deinit, tiga_clear,
tiga_putc, tiga_cursor, tiga_scroll,
};
/*
* # of chars are output in a single itestart() call.
* If this is too big, user processes will be blocked out for
* long periods of time while we are emptying the queue in itestart().
* If it is too small, console output will be very ragged.
*/
int iteburst = 64;
int nite = NITE;
struct tty *kbd_tty = NULL;
struct tty ite_cons;
struct tty *ite_tty[NITE] = { &ite_cons };
struct ite_softc ite_softc[NITE];
int itestart();
extern int ttrstrt();
extern struct tty *constty;
/* These are (later..) settable via an ioctl */
int start_repeat_timo = 30; /* /100: initial timeout till pressed key repeats */
int next_repeat_timo = 5; /* /100: timeout when repeating for next char */
/*
* Primary attribute buffer to be used by the first bitmapped console
* found. Secondary displays alloc the attribute buffer as needed.
* Size is based on a 68x128 display, which is currently our largest.
*/
u_char console_attributes[0x2200];
/*
* Perform functions necessary to setup device as a terminal emulator.
*/
iteon(dev, flag)
dev_t dev;
{
int unit = UNIT(dev);
struct tty *tp = ite_tty[unit];
struct ite_softc *ip = &ite_softc[unit];
if (unit < 0 || unit >= NITE || (ip->flags&ITE_ALIVE) == 0)
return(ENXIO);
/* force ite active, overriding graphics mode */
if (flag & 1) {
ip->flags |= ITE_ACTIVE;
ip->flags &= ~(ITE_INGRF|ITE_INITED);
}
/* leave graphics mode */
if (flag & 2) {
ip->flags &= ~ITE_INGRF;
if ((ip->flags & ITE_ACTIVE) == 0)
return(0);
}
ip->flags |= ITE_ACTIVE;
if (ip->flags & ITE_INGRF)
return(0);
if (kbd_tty == NULL || kbd_tty == tp) {
kbd_tty = tp;
kbdenable();
}
iteinit(dev);
return(0);
}
/* used by the grf layer to reinitialize ite after changing fb parameters */
itereinit(dev)
dev_t dev;
{
int unit = UNIT(dev);
struct ite_softc *ip = &ite_softc[unit];
ip->flags &= ~ITE_INITED;
iteinit (dev);
}
iteinit(dev)
dev_t dev;
{
int unit = UNIT(dev);
struct ite_softc *ip = &ite_softc[unit];
if (ip->flags & ITE_INITED)
return;
ip->curx = 0;
ip->cury = 0;
ip->cursorx = 0;
ip->cursory = 0;
ip->save_curx = 0;
ip->save_cury = 0;
ip->ap = ip->argbuf;
ip->emul_level = EMUL_VT300_7;
ip->eightbit_C1 = 0;
ip->inside_margins = 0;
ip->linefeed_newline = 0;
(*itesw[ip->type].ite_init)(ip);
(*itesw[ip->type].ite_cursor)(ip, DRAW_CURSOR);
/* ip->rows initialized by ite_init above */
ip->top_margin = 0; ip->bottom_margin = ip->rows - 1;
ip->attribute = 0;
if (ip->attrbuf == NULL)
ip->attrbuf = (u_char *)
malloc(ip->rows * ip->cols, M_DEVBUF, M_WAITOK);
bzero(ip->attrbuf, (ip->rows * ip->cols));
ip->imode = 0;
ip->flags |= ITE_INITED;
}
/*
* "Shut down" device as terminal emulator.
* Note that we do not deinit the console device unless forced.
* Deinit'ing the console every time leads to a very active
* screen when processing /etc/rc.
*/
iteoff(dev, flag)
dev_t dev;
{
register struct ite_softc *ip = &ite_softc[UNIT(dev)];
if (flag & 2)
ip->flags |= ITE_INGRF;
if ((ip->flags & ITE_ACTIVE) == 0)
return;
if ((flag & 1) ||
(ip->flags & (ITE_INGRF|ITE_ISCONS|ITE_INITED)) == ITE_INITED)
(*itesw[ip->type].ite_deinit)(ip);
if ((flag & 2) == 0)
ip->flags &= ~ITE_ACTIVE;
}
/* ARGSUSED */
#ifdef __STDC__
iteopen(dev_t dev, int mode, int devtype, struct proc *p)
#else
iteopen(dev, mode, devtype, p)
dev_t dev;
int mode, devtype;
struct proc *p;
#endif
{
int unit = UNIT(dev);
register struct tty *tp;
register struct ite_softc *ip = &ite_softc[unit];
register int error;
int first = 0;
if(!ite_tty[unit]) {
MALLOC(tp, struct tty *, sizeof(struct tty), M_TTYS, M_WAITOK);
bzero(tp, sizeof(struct tty));
ite_tty[unit] = tp;
} else
tp = ite_tty[unit];
if ((tp->t_state&(TS_ISOPEN|TS_XCLUDE)) == (TS_ISOPEN|TS_XCLUDE)
&& p->p_ucred->cr_uid != 0)
return (EBUSY);
if ((ip->flags & ITE_ACTIVE) == 0) {
error = iteon(dev, 0);
if (error)
return (error);
first = 1;
}
tp->t_oproc = itestart;
tp->t_param = NULL;
tp->t_dev = dev;
if ((tp->t_state&TS_ISOPEN) == 0) {
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = CS8|CREAD;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
/* don't set TS_ISOPEN here, or the tty queues won't
be initialized in ttyopen()! */
tp->t_state = TS_CARR_ON;
ttsetwater(tp);
}
error = (*linesw[tp->t_line].l_open)(dev, tp);
if (error == 0) {
tp->t_winsize.ws_row = ip->rows;
tp->t_winsize.ws_col = ip->cols;
} else if (first)
iteoff(dev, 0);
return (error);
}
/*ARGSUSED*/
iteclose(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
register struct tty *tp = ite_tty[UNIT(dev)];
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
iteoff(dev, 0);
if (tp != &ite_cons)
{
FREE(tp, M_TTYS);
ite_tty[UNIT(dev)] = (struct tty *)NULL;
}
return(0);
}
iteread(dev, uio, flag)
dev_t dev;
struct uio *uio;
{
register struct tty *tp = ite_tty[UNIT(dev)];
int rc;
rc = ((*linesw[tp->t_line].l_read)(tp, uio, flag));
return rc;
}
itewrite(dev, uio, flag)
dev_t dev;
struct uio *uio;
{
int unit = UNIT(dev);
register struct tty *tp = ite_tty[unit];
if ((ite_softc[unit].flags & ITE_ISCONS) && constty &&
(constty->t_state&(TS_CARR_ON|TS_ISOPEN))==(TS_CARR_ON|TS_ISOPEN))
tp = constty;
return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
}
iteioctl(dev, cmd, addr, flag)
dev_t dev;
caddr_t addr;
{
register struct tty *tp = ite_tty[UNIT(dev)];
int error;
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag);
if (error >= 0)
return (error);
error = ttioctl(tp, cmd, addr, flag);
if (error >= 0)
return (error);
return (ENOTTY);
}
itestart(tp)
register struct tty *tp;
{
register int cc, s;
int hiwat = 0;
s = spltty();
if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) {
splx(s);
return;
}
tp->t_state |= TS_BUSY;
cc = RB_LEN (&tp->t_out);
if (cc <= tp->t_lowat) {
if (tp->t_state & TS_ASLEEP) {
tp->t_state &= ~TS_ASLEEP;
wakeup(&tp->t_out);
}
selwakeup(&tp->t_wsel);
}
/*
* Limit the amount of output we do in one burst
* to prevent hogging the CPU.
*/
if (cc > iteburst) {
hiwat++;
cc = iteburst;
}
while (--cc >= 0) {
register int c;
c = rbgetc(&tp->t_out);
/*
* iteputchar() may take a long time and we don't want to
* block all interrupts for long periods of time. Since
* there is no need to stay at high priority while outputing
* the character (since we don't have to worry about
* interrupts), we don't. We just need to make sure that
* we don't reenter iteputchar, which is guarenteed by the
* earlier setting of TS_BUSY.
*/
splx(s);
iteputchar(c, tp->t_dev);
spltty();
}
if (hiwat) {
tp->t_state |= TS_TIMEOUT;
timeout(ttrstrt, tp, 1);
}
tp->t_state &= ~TS_BUSY;
splx(s);
}
/* these are used to implement repeating keys.. */
static u_char last_char = 0;
static u_char tout_pending = 0;
static void
repeat_handler (a0, a1)
int a0, a1;
{
tout_pending = 0;
/* leave it up to itefilter() to possible install a new callout entry
to reinvoke repeat_handler() */
itefilter (last_char, ITEFILT_REPEATER);
}
int
itefilter(c, caller)
register u_char c;
enum caller caller;
{
static u_char mod = 0;
static u_char last_dead = 0;
register char code, *str;
u_char up, mask, i;
struct key key;
if (caller != ITEFILT_CONSOLE && kbd_tty == NULL)
return;
up = c & 0x80 ? 1 : 0;
c &= 0x7f;
code = 0;
mask = 0;
if (c >= KBD_LEFT_SHIFT)
{
switch (c)
{
case KBD_LEFT_SHIFT:
mask = KBD_MOD_LSHIFT;
break;
case KBD_RIGHT_SHIFT:
mask = KBD_MOD_RSHIFT;
break;
case KBD_LEFT_ALT:
mask = KBD_MOD_LALT;
break;
case KBD_RIGHT_ALT:
mask = KBD_MOD_RALT;
break;
case KBD_LEFT_META:
mask = KBD_MOD_LMETA;
break;
case KBD_RIGHT_META:
mask = KBD_MOD_RMETA;
break;
case KBD_CAPS_LOCK:
/* capslock already behaves `right', don't need to keep track of the
state in here. */
mask = KBD_MOD_CAPS;
break;
case KBD_CTRL:
mask = KBD_MOD_CTRL;
break;
}
if (mask)
{
if (up)
mod &= ~mask;
else
mod |= mask;
}
/* these keys should not repeat, so it's the Right Thing dealing with
repeaters only after this block. */
/* return even if it wasn't a modifier key, the other codes up here
are either special (like reset warning), or not yet defined */
return -1;
}
/* no matter which character we're repeating, stop it if we get a key-up
event. I think this is the same thing amigados does. */
if (up)
{
if (tout_pending)
{
untimeout (repeat_handler, 0);
tout_pending = 0;
}
return -1;
}
switch (mod & (KBD_MOD_ALT | KBD_MOD_SHIFT))
{
case 0:
key = kbdmap.keys[c];
if (!(mod & KBD_MOD_CAPS) || !(key.mode & KBD_MODE_CAPS))
break;
/* FALL INTO */
case KBD_MOD_LSHIFT:
case KBD_MOD_RSHIFT:
case KBD_MOD_SHIFT:
key = kbdmap.shift_keys[c];
break;
case KBD_MOD_LALT:
case KBD_MOD_RALT:
case KBD_MOD_ALT:
key = kbdmap.alt_keys[c];
if (!(mod & KBD_MOD_CAPS) || !(key.mode & KBD_MODE_CAPS))
break;
/* FALL INTO */
case KBD_MOD_LALT|KBD_MOD_LSHIFT:
case KBD_MOD_LALT|KBD_MOD_RSHIFT:
case KBD_MOD_LALT|KBD_MOD_SHIFT:
case KBD_MOD_RALT|KBD_MOD_RSHIFT:
case KBD_MOD_RALT|KBD_MOD_SHIFT:
case KBD_MOD_ALT|KBD_MOD_RSHIFT:
key = kbdmap.alt_shift_keys[c];
break;
}
code = key.code;
/* arrange to repeat the keystroke. By doing this at the level of scan-codes,
we can have function keys, and keys that send strings, repeat too. This
also entitles an additional overhead, since we have to do the conversion
each time, but I guess that's ok. */
if (!tout_pending && caller == ITEFILT_TTY)
{
tout_pending = 1;
last_char = c;
timeout (repeat_handler, 0, start_repeat_timo);
}
else if (!tout_pending && caller == ITEFILT_REPEATER)
{
tout_pending = 1;
last_char = c;
timeout (repeat_handler, 0, next_repeat_timo);
}
/* handle dead keys */
if (key.mode & KBD_MODE_DEAD)
{
/* if entered twice, send accent itself */
if (last_dead == key.mode & KBD_MODE_ACCMASK)
last_dead = 0;
else
{
last_dead = key.mode & KBD_MODE_ACCMASK;
return -1;
}
}
if (last_dead)
{
/* can't apply dead flag to string-keys */
if (! (key.mode & KBD_MODE_STRING) && code >= '@' && code < 0x7f)
code = acctable[KBD_MODE_ACCENT (last_dead)][code - '@'];
last_dead = 0;
}
/* if not string, apply META and CTRL modifiers */
if (! (key.mode & KBD_MODE_STRING))
{
if (mod & KBD_MOD_CTRL)
code &= 0x1f;
if (mod & KBD_MOD_META)
code |= 0x80;
}
else
{
/* strings are only supported in normal tty mode, not in console mode */
if (caller != ITEFILT_CONSOLE)
{
str = kbdmap.strings + code;
/* using a length-byte instead of 0-termination allows to embed \0 into
strings, although this is not used in the default keymap */
for (i = *str++; i; i--)
(*linesw[kbd_tty->t_line].l_rint)(*str++, kbd_tty);
}
return -1;
}
if (caller == ITEFILT_CONSOLE)
return code;
else
(*linesw[kbd_tty->t_line].l_rint)(code, kbd_tty);
return -1;
}
/* helper functions, makes the code below more readable */
static void inline
ite_dnchar(ip, sp, n)
struct ite_softc *ip;
struct itesw *sp;
int n;
{
(*sp->ite_scroll)(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1, ip->cols - ip->curx - n);
attrclr(ip, ip->cury, ip->cols - n, 1, n);
while (n--)
(*sp->ite_putc)(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_inchar(ip, sp, n)
struct ite_softc *ip;
struct itesw *sp;
int n;
{
(*sp->ite_scroll)(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1, ip->cols - ip->curx - n);
attrclr(ip, ip->cury, ip->curx, 1, n);
while (n--)
(*sp->ite_putc)(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_clrtoeol(ip, sp, y, x)
struct ite_softc *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);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_clrtobol(ip, sp, y, x)
struct ite_softc *ip;
struct itesw *sp;
int y, x;
{
(*sp->ite_clear)(ip, y, 0, 1, x);
attrclr(ip, y, 0, 1, x);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_clrline(ip, sp, y, x)
struct ite_softc *ip;
struct itesw *sp;
int y, x;
{
(*sp->ite_clear)(ip, y, 0, 1, ip->cols);
attrclr(ip, y, 0, 1, ip->cols);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_clrtoeos(ip, sp)
struct ite_softc *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);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_clrtobos(ip, sp)
struct ite_softc *ip;
struct itesw *sp;
{
(*sp->ite_clear)(ip, 0, 0, ip->cury, ip->cols);
attrclr(ip, 0, 0, ip->cury, ip->cols);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_clrscreen(ip, sp)
struct ite_softc *ip;
struct itesw *sp;
{
(*sp->ite_clear)(ip, 0, 0, ip->rows, ip->cols);
attrclr(ip, 0, 0, ip->rows, ip->cols);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_dnline(ip, sp, n)
struct ite_softc *ip;
struct itesw *sp;
int n;
{
(*sp->ite_scroll)(ip, ip->cury + n, 0, n, SCROLL_UP);
attrmov(ip, ip->cury + n, 0, ip->cury, 0,
ip->bottom_margin + 1 - ip->cury - n, ip->cols);
(*sp->ite_clear)(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_inline(ip, sp, n)
struct ite_softc *ip;
struct itesw *sp;
int n;
{
(*sp->ite_scroll)(ip, ip->cury, 0, n, SCROLL_DOWN);
attrmov(ip, ip->cury, 0, ip->cury + n, 0,
ip->bottom_margin + 1 - ip->cury - n, ip->cols);
(*sp->ite_clear)(ip, ip->cury, 0, n, ip->cols);
attrclr(ip, ip->cury, 0, n, ip->cols);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
}
static void inline
ite_lf (ip, sp)
struct ite_softc *ip;
struct itesw *sp;
{
#if 0
if (ip->inside_margins)
{
#endif
if (++ip->cury >= ip->bottom_margin + 1)
{
ip->cury = ip->bottom_margin;
(*sp->ite_scroll)(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip, sp, ip->cury, 0);
}
else
(*sp->ite_cursor)(ip, MOVE_CURSOR);
#if 0
}
else
{
if (++ip->cury == ip->rows)
{
--ip->cury;
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip, sp, ip->cury, 0);
}
else
(*sp->ite_cursor)(ip, MOVE_CURSOR);
}
#endif
clr_attr(ip, ATTR_INV);
}
static void inline
ite_crlf (ip, sp)
struct ite_softc *ip;
struct itesw *sp;
{
ip->curx = 0;
ite_lf (ip, sp);
}
static void inline
ite_cr (ip, sp)
struct ite_softc *ip;
struct itesw *sp;
{
if (ip->curx)
{
ip->curx = 0;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
}
}
static void inline
ite_rlf (ip, sp)
struct ite_softc *ip;
struct itesw *sp;
{
if (ip->cury > 0)
{
ip->cury--;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
}
else
ite_inline (ip, sp, 1);
clr_attr(ip, ATTR_INV);
}
static int inline
atoi (cp)
const char *cp;
{
int n;
for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
n = n * 10 + *cp - '0';
return n;
}
static char *
index (cp, ch)
const char *cp;
char ch;
{
while (*cp && *cp != ch) cp++;
return *cp ? cp : 0;
}
static int inline
ite_argnum (ip)
struct ite_softc *ip;
{
char ch;
int n;
/* convert argument string into number */
if (ip->ap == ip->argbuf)
return 1;
ch = *ip->ap;
*ip->ap = 0;
n = atoi (ip->argbuf);
*ip->ap = ch;
return n;
}
static int inline
ite_zargnum (ip)
struct ite_softc *ip;
{
char ch, *cp;
int n;
/* convert argument string into number */
if (ip->ap == ip->argbuf)
return 0;
ch = *ip->ap;
*ip->ap = 0;
n = atoi (ip->argbuf);
*ip->ap = ch;
return n;
}
static void inline
ite_sendstr (ip, str)
struct ite_softc *ip;
char *str;
{
while (*str)
(*linesw[kbd_tty->t_line].l_rint)(*str++, kbd_tty);
}
static int inline
strncmp (a, b, l)
const char *a, *b;
int l;
{
for (;l--; a++, b++)
if (*a != *b)
return *a - *b;
return 0;
}
static void inline
ite_reinit(ip)
struct ite_softc *ip;
{
ip->curx = 0;
ip->cury = 0;
ip->cursorx = 0;
ip->cursory = 0;
ip->save_curx = 0;
ip->save_cury = 0;
ip->ap = ip->argbuf;
ip->emul_level = EMUL_VT300_7;
ip->eightbit_C1 = 0;
ip->top_margin = 0; ip->bottom_margin = 23;
ip->inside_margins = 0;
ip->linefeed_newline = 0;
(*itesw[ip->type].ite_cursor)(ip, DRAW_CURSOR);
ip->attribute = 0;
bzero(ip->attrbuf, (ip->rows * ip->cols));
ip->imode = 0;
}
iteputchar(c, dev)
register int c;
dev_t dev;
{
int unit = UNIT(dev);
register struct ite_softc *ip = &ite_softc[unit];
register struct itesw *sp = &itesw[ip->type];
register int n;
int x, y;
char *cp;
if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
return;
if ((ite_tty[unit]->t_cflag & CSIZE) == CS7
|| (ite_tty[unit]->t_cflag & PARENB))
c &= 0x7f;
if (ip->escape)
{
doesc:
switch (ip->escape)
{
case ESC:
switch (c)
{
/* first 7bit equivalents for the 8bit control characters */
case 'D':
c = IND;
ip->escape = 0;
break;
case 'E':
c = NEL;
ip->escape = 0;
break;
case 'H':
c = HTS;
ip->escape = 0;
break;
case 'M':
c = RI;
ip->escape = 0;
break;
case 'N':
c = SS2;
ip->escape = 0;
break;
case 'O':
c = SS3;
ip->escape = 0;
break;
case 'P':
c = DCS;
ip->escape = 0;
break;
case '[':
c = CSI;
ip->escape = 0;
break;
case '\\':
c = ST;
ip->escape = 0;
break;
case ']':
c = OSC;
ip->escape = 0;
break;
case '^':
c = PM;
ip->escape = 0;
break;
case '_':
c = APC;
ip->escape = 0;
break;
/* introduces 7/8bit control */
case ' ':
/* can be followed by either F or G */
ip->escape = ' ';
break;
/* a lot of character set selections, not yet used...
94-character sets: */
case '(': /* G0 */
case ')': /* G1 */
case '*': /* G2 */
case '+': /* G3 */
case 'B': /* ASCII */
case 'A': /* ISO latin 1 */
case '<': /* user preferred suplemental */
case '0': /* dec special graphics */
/* 96-character sets: */
case '-': /* G1 */
case '.': /* G2 */
case '/': /* G3 */
/* national character sets: */
case '4': /* dutch */
case '5':
case 'C': /* finnish */
case 'R': /* french */
case 'Q': /* french canadian */
case 'K': /* german */
case 'Y': /* italian */
case '6': /* norwegian/danish */
case 'Z': /* spanish */
case '=': /* swiss */
/* note: %5 and %6 are not supported (two chars..) */
ip->escape = 0;
/* just ignore for now */
return -1;
/* locking shift modes (as you might guess, not yet supported..) */
case '`':
ip->GR = ip->G1;
ip->escape = 0;
return -1;
case 'n':
ip->GL = ip->G2;
ip->escape = 0;
return -1;
case '}':
ip->GR = ip->G2;
ip->escape = 0;
return -1;
case 'o':
ip->GL = ip->G3;
ip->escape = 0;
return -1;
case '|':
ip->GR = ip->G3;
ip->escape = 0;
return -1;
/* font width/height control */
case '#':
ip->escape = '#';
return -1;
/* hard terminal reset .. */
case 'c':
ite_reinit (ip);
ip->escape = 0;
return -1;
case '7':
ip->save_curx = ip->curx;
ip->save_cury = ip->cury;
ip->escape = 0;
return -1;
case '8':
ip->curx = ip->save_curx;
ip->cury = ip->save_cury;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
ip->escape = 0;
return -1;
/* default catch all for not recognized ESC sequences */
default:
ip->escape = 0;
return -1;
}
break;
case ' ':
switch (c)
{
case 'F':
ip->eightbit_C1 = 0;
ip->escape = 0;
return -1;
case 'G':
ip->eightbit_C1 = 1;
ip->escape = 0;
return -1;
default:
/* not supported */
ip->escape = 0;
return -1;
}
break;
case '#':
switch (c)
{
case '5':
/* single height, single width */
ip->escape = 0;
return -1;
case '6':
/* double width, single height */
ip->escape = 0;
return -1;
case '3':
/* top half */
ip->escape = 0;
return -1;
case '4':
/* bottom half */
ip->escape = 0;
return -1;
case '8':
/* screen alignment pattern... */
ip->escape = 0;
return -1;
default:
ip->escape = 0;
return -1;
}
break;
#if 0
case DCS:
case PM:
case APC:
case OSC:
switch (c)
{
case ST:
ip->escape = 0;
return -1;
default:
return -1;
}
break;
#endif
case CSI:
/* the biggie... */
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case ';': case '\"': case '$': case '>':
if (ip->ap < ip->argbuf + ARGBUF_SIZE)
*ip->ap++ = c;
return -1;
case CAN:
ip->escape = 0;
return -1;
case 'p':
*ip->ap = 0;
if (! strncmp (ip->argbuf, "61\"", 3))
ip->emul_level = EMUL_VT100;
else if (! strncmp (ip->argbuf, "63;1\"", 5)
|| ! strncmp (ip->argbuf, "62;1\"", 5))
ip->emul_level = EMUL_VT300_7;
else
ip->emul_level = EMUL_VT300_8;
ip->escape = 0;
return -1;
case '?':
*ip->ap = 0;
ip->escape = '?';
ip->ap = ip->argbuf;
return -1;
case 'c':
*ip->ap = 0;
if (ip->ap == ip->argbuf
|| (ip->ap == &ip->argbuf[1] && ip->argbuf[0] == '0'))
{
/* primary DA request, send primary DA response */
if (ip->emul_level == EMUL_VT100)
ite_sendstr (ip, "\033[61;0c");
else
ite_sendstr (ip, "\033[63;0c");
}
else if ((ip->ap == &ip->argbuf[1] && ip->argbuf[0] == '>')
|| (ip->ap == &ip->argbuf[2]
&& !strncmp (ip->argbuf, ">0", 2)))
{
ite_sendstr (ip, "\033[>24;0;0;0c");
}
ip->escape = 0;
return -1;
case 'n':
*ip->ap = 0;
if (ip->ap == &ip->argbuf[1])
{
if (ip->argbuf[0] == '5')
ite_sendstr (ip, "\033[0n"); /* no malfunction */
else if (ip->argbuf[0] == '6')
{
sprintf (ip->argbuf, "\033[%d;%dR",
ip->cury + 1, ip->curx + 1);
/* cursor position report */
ite_sendstr (ip, ip->argbuf);
}
}
ip->escape = 0;
return -1;
case 'h': case 'l':
*ip->ap = 0;
if (ip->ap == &ip->argbuf[1] && ip->argbuf[0] == '4')
ip->imode = (c == 'h'); /* insert/replace mode */
else if (ip->ap == &ip->argbuf[2]
&& !strncmp (ip->argbuf, "20", 2))
ip->linefeed_newline = (c == 'h');
/* various not supported commands */
ip->escape = 0;
return -1;
case 'M':
*ip->ap = 0;
ite_dnline (ip, sp, ite_argnum (ip));
ip->escape = 0;
return -1;
case 'L':
*ip->ap = 0;
ite_inline (ip, sp, ite_argnum (ip));
ip->escape = 0;
return -1;
case 'P':
*ip->ap = 0;
ite_dnchar (ip, sp, ite_argnum (ip));
ip->escape = 0;
return -1;
case '@':
*ip->ap = 0;
ite_inchar (ip, sp, ite_argnum (ip));
ip->escape = 0;
return -1;
case 'H':
case 'f':
*ip->ap = 0;
y = atoi (ip->argbuf);
x = 0;
cp = index (ip->argbuf, ';');
if (cp)
x = atoi (cp + 1);
if (x) x--;
if (y) y--;
if (ip->inside_margins)
{
y += ip->top_margin;
ip->cury = MIN(y, ip->bottom_margin);
}
else
{
ip->cury = MIN(y, ip->rows - 1);
}
ip->curx = MIN(x, ip->cols - 1);
ip->escape = 0;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return -1;
case 'A':
*ip->ap = 0;
n = ip->cury - ite_argnum (ip);
ip->cury = n >= 0 ? n : 0;
ip->escape = 0;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return -1;
case 'B':
*ip->ap = 0;
n = ite_argnum (ip) + ip->cury;
ip->cury = MIN(n, ip->rows - 1);
ip->escape = 0;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return -1;
case 'C':
*ip->ap = 0;
n = ite_argnum (ip) + ip->curx;
ip->curx = MIN(n, ip->cols - 1);
ip->escape = 0;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return -1;
case 'D':
*ip->ap = 0;
n = ip->curx - ite_argnum (ip);
ip->curx = n >= 0 ? n : 0;
ip->escape = 0;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return -1;
case 'J':
*ip->ap = 0;
n = ite_zargnum (ip);
if (n == 0)
ite_clrtoeos(ip, sp);
else if (n == 1)
ite_clrtobos(ip, sp);
else if (n == 2)
ite_clrscreen(ip, sp);
ip->escape = 0;
return -1;
case 'K':
*ip->ap = 0;
n = ite_zargnum (ip);
if (n == 0)
ite_clrtoeol(ip, sp, ip->cury, ip->curx);
else if (n == 1)
ite_clrtobol(ip, sp, ip->cury, ip->curx);
else if (n == 2)
ite_clrline(ip, sp, ip->cury, ip->curx);
ip->escape = 0;
return -1;
case 'X':
*ip->ap = 0;
for (n = ite_argnum (ip); n > 0; n--)
{
attrclr(ip, ip->cury, ip->curx + n - 1, 1, 1);
(*sp->ite_putc)(ip, ' ', ip->cury, ip->curx + n - 1, ATTR_NOR);
}
ip->escape = 0;
return -1;
case '}': case '`':
/* status line control */
ip->escape = 0;
return -1;
case 'r':
*ip->ap = 0;
x = atoi (ip->argbuf);
y = 0;
cp = index (ip->argbuf, ';');
if (cp)
y = atoi (cp + 1);
if (x) x--;
if (y) y--;
ip->top_margin = MIN(x, ip->rows - 1);
ip->bottom_margin = MIN(y, ip->rows - 1);
ip->escape = 0;
return -1;
case 'm':
/* big attribute setter/resetter */
{
char *cp;
*ip->ap = 0;
for (cp = ip->argbuf; cp < ip->ap; )
{
switch (*cp)
{
case '0':
clr_attr (ip, ATTR_ALL);
cp++;
break;
case '1':
set_attr (ip, ATTR_BOLD);
cp++;
break;
case '2':
switch (cp[1])
{
case '2':
clr_attr (ip, ATTR_BOLD);
cp += 2;
break;
case '4':
clr_attr (ip, ATTR_UL);
cp += 2;
break;
case '5':
clr_attr (ip, ATTR_BLINK);
cp += 2;
break;
case '7':
clr_attr (ip, ATTR_INV);
cp += 2;
break;
default:
cp++;
break;
}
break;
case '4':
set_attr (ip, ATTR_UL);
cp++;
break;
case '5':
set_attr (ip, ATTR_BLINK);
cp++;
break;
case '7':
set_attr (ip, ATTR_INV);
cp++;
break;
default:
cp++;
break;
}
}
}
ip->escape = 0;
return -1;
case 'u':
/* DECRQTSR */
ite_sendstr (ip, "\033P\033\\");
ip->escape = 0;
return -1;
default:
ip->escape = 0;
return -1;
}
break;
case '?': /* CSI ? */
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case ';': case '\"': case '$':
if (ip->ap < ip->argbuf + ARGBUF_SIZE)
*ip->ap++ = c;
return -1;
case CAN:
ip->escape = 0;
return -1;
case 'n':
*ip->ap = 0;
if (ip->ap == &ip->argbuf[2])
{
if (! strncmp (ip->argbuf, "15", 2))
/* printer status: no printer */
ite_sendstr (ip, "\033[13n");
else if (! strncmp (ip->argbuf, "25", 2))
/* udk status */
ite_sendstr (ip, "\033[20n");
else if (! strncmp (ip->argbuf, "26", 2))
/* keyboard dialect: US */
ite_sendstr (ip, "\033[27;1n");
}
ip->escape = 0;
return -1;
case 'h': case 'l':
*ip->ap = 0;
if (ip->ap[0] == '6')
ip->inside_margins = (c == 'h');
else if (! strncmp (ip->ap, "25", 2))
(*itesw[ip->type].ite_cursor)(ip,
(c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
/* others.. */
default:
ip->escape = 0;
return -1;
}
break;
default:
ip->escape = 0;
return -1;
}
}
switch (c) {
case VT: /* VT is treated like LF */
case FF: /* so is FF */
case LF:
if (ip->linefeed_newline)
ite_crlf (ip, sp);
else
ite_lf (ip, sp);
break;
case CR:
ite_cr (ip, sp);
break;
case BS:
if (--ip->curx < 0)
ip->curx = 0;
else
(*sp->ite_cursor)(ip, MOVE_CURSOR);
break;
case HT:
if (ip->curx < TABEND(unit)) {
n = TABSIZE - (ip->curx & (TABSIZE - 1));
ip->curx += n;
(*sp->ite_cursor)(ip, MOVE_CURSOR);
} else
itecheckwrap(ip, sp);
break;
case BEL:
if (ite_tty[unit] == kbd_tty)
kbdbell();
break;
case SO:
ip->GL = ip->G1;
break;
case SI:
ip->GL = ip->G0;
break;
case ENQ:
/* send answer-back message !! */
break;
case CAN:
ip->escape = 0; /* cancel any escape sequence in progress */
break;
case SUB:
ip->escape = 0; /* dito, but see below */
/* should also display a reverse question mark!! */
break;
case ESC:
ip->escape = ESC;
break;
/* now it gets weird.. 8bit control sequences.. */
case IND: /* index: move cursor down, scroll */
ite_lf (ip, sp);
break;
case NEL: /* next line. next line, first pos. */
ite_crlf (ip, sp);
break;
case HTS: /* set horizontal tab */
/* not yet supported */
break;
case RI: /* reverse index */
ite_rlf (ip, sp);
break;
case SS2: /* go into G2 for one character */
/* not yet supported */
break;
case SS3: /* go into G3 for one character */
break;
case DCS: /* device control string introducer */
ip->escape = DCS;
ip->ap = ip->argbuf;
break;
case CSI: /* control sequence introducer */
ip->escape = CSI;
ip->ap = ip->argbuf;
break;
case ST: /* string terminator */
/* ignore, if not used as terminator */
break;
case OSC: /* introduces OS command. Ignore everything upto ST */
ip->escape = OSC;
break;
case PM: /* privacy message, ignore everything upto ST */
ip->escape = PM;
break;
case APC: /* application program command, ignore everything upto ST */
ip->escape = APC;
break;
default:
if (c < ' ' || c == DEL)
break;
if (ip->imode)
ite_inchar(ip, sp, 1);
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);
(*sp->ite_cursor)(ip, DRAW_CURSOR);
itecheckwrap(ip, sp);
break;
}
}
itecheckwrap(ip, sp)
register struct ite_softc *ip;
register struct itesw *sp;
{
if (++ip->curx == ip->cols) {
ip->curx = 0;
clr_attr(ip, ATTR_INV);
if (++ip->cury >= ip->bottom_margin + 1) {
ip->cury = ip->bottom_margin;
(*sp->ite_scroll)(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip, sp, ip->cury, 0);
return;
}
}
(*sp->ite_cursor)(ip, MOVE_CURSOR);
}
/*
* Console functions
*/
#include "../amiga/cons.h"
#include "grfioctl.h"
#include "grfvar.h"
#ifdef DEBUG
/*
* Minimum ITE number at which to start looking for a console.
* Setting to 0 will do normal search, 1 will skip first ITE device,
* NITE will skip ITEs and use serial port.
*/
int whichconsole = 0;
#endif
itecnprobe(cp)
struct consdev *cp;
{
register struct ite_softc *ip;
int i, maj, unit, pri;
/* locate the major number */
for (maj = 0; maj < nchrdev; maj++)
if (cdevsw[maj].d_open == iteopen)
break;
/* urk! */
grfconfig();
/* check all the individual displays and find the best */
unit = -1;
pri = CN_DEAD;
for (i = 0; i < NITE; i++) {
struct grf_softc *gp = &grf_softc[i];
ip = &ite_softc[i];
if ((gp->g_flags & GF_ALIVE) == 0)
continue;
ip->flags = (ITE_ALIVE|ITE_CONSOLE);
/* XXX - we need to do something about mapping these */
switch (gp->g_type) {
case GT_CUSTOMCHIPS:
ip->type = ITE_CUSTOMCHIPS;
break;
case GT_TIGA_A2410:
ip->type = ITE_TIGA_A2410;
break;
}
#ifdef DEBUG
if (i < whichconsole)
continue;
#endif
if ((int)gp->g_type == GT_CUSTOMCHIPS) {
pri = CN_INTERNAL;
unit = i;
} else if (unit < 0) {
pri = CN_NORMAL;
unit = i;
}
}
/* initialize required fields */
cp->cn_dev = makedev(maj, unit);
cp->cn_tp = ite_tty[unit];
cp->cn_pri = pri;
}
itecninit(cp)
struct consdev *cp;
{
int unit = UNIT(cp->cn_dev);
struct ite_softc *ip = &ite_softc[unit];
ip->attrbuf = console_attributes;
iteinit(cp->cn_dev);
ip->flags |= (ITE_ACTIVE|ITE_ISCONS);
kbd_tty = ite_tty[unit];
kbdenable();
}
/*ARGSUSED*/
itecngetc(dev)
dev_t dev;
{
register int c;
do
{
c = kbdgetcn ();
c = itefilter (c, ITEFILT_CONSOLE);
}
while (c == -1);
return(c);
}
itecnputc(dev, c)
dev_t dev;
int c;
{
static int paniced = 0;
struct ite_softc *ip = &ite_softc[UNIT(dev)];
extern char *panicstr;
if (panicstr && !paniced &&
(ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) {
(void) iteon(dev, 3);
paniced = 1;
}
iteputchar(c, dev);
}
#endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.