611 lines
15 KiB
C
611 lines
15 KiB
C
/* $NetBSD: rcons_subr.c,v 1.3 1994/11/20 20:53:53 deraadt Exp $ */
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/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* 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, Lawrence Berkeley Laboratory.
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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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* @(#)rcons_subr.c 8.1 (Berkeley) 6/11/93
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*/
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#ifdef KERNEL
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#include <sys/param.h>
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#include <sys/device.h>
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#include <machine/fbio.h>
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#include <machine/fbvar.h>
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#else
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#include <sys/types.h>
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#include "myfbdevice.h"
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#endif
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#include <sparc/rcons/raster.h>
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void rcons_text(struct fbdevice *, char *, int);
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void rcons_pctrl(struct fbdevice *, int);
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void rcons_esc(struct fbdevice *, int);
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void rcons_doesc(struct fbdevice *, int);
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void rcons_cursor(struct fbdevice *);
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void rcons_invert(struct fbdevice *, int);
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void rcons_clear2eop(struct fbdevice *);
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void rcons_clear2eol(struct fbdevice *);
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void rcons_scroll(struct fbdevice *, int);
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void rcons_delchar(struct fbdevice *, int);
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void rcons_delline(struct fbdevice *, int);
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void rcons_insertchar(struct fbdevice *, int);
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void rcons_insertline(struct fbdevice *, int);
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extern void rcons_bell(struct fbdevice *);
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#define RCONS_ISPRINT(c) ((c) >= ' ' && (c) <= '~')
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#define RCONS_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
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/* Output (or at least handle) a string sent to the console */
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void
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rcons_puts(fb, str, n)
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register struct fbdevice *fb;
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register char *str;
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register int n;
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{
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register int c, i, j;
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register char *cp;
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/* Jump scroll */
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/* XXX maybe this should be an option? */
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if ((fb->fb_bits & FB_INESC) == 0) {
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/* Count newlines up to an escape sequence */
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i = 0;
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j = 0;
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for (cp = str; j++ < n && *cp != '\033'; ++cp) {
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if (*cp == '\n')
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++i;
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else if (*cp == '\013')
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--i;
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}
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/* Only jump scroll two or more rows */
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if (*fb->fb_row + i >= fb->fb_maxrow + 1) {
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/* Erase the cursor (if necessary) */
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if (fb->fb_bits & FB_CURSOR)
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rcons_cursor(fb);
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rcons_scroll(fb, i);
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}
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}
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/* Process characters */
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while (--n >= 0) {
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c = *str;
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if (c == '\033') {
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/* Start an escape (perhaps aborting one in progress) */
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fb->fb_bits |= FB_INESC | FB_P0_DEFAULT | FB_P1_DEFAULT;
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fb->fb_bits &= ~(FB_P0 | FB_P1);
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/* Most parameters default to 1 */
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fb->fb_p0 = fb->fb_p1 = 1;
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} else if (fb->fb_bits & FB_INESC) {
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rcons_esc(fb, c);
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} else {
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/* Erase the cursor (if necessary) */
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if (fb->fb_bits & FB_CURSOR)
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rcons_cursor(fb);
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/* Display the character */
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if (RCONS_ISPRINT(c)) {
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/* Try to output as much as possible */
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j = fb->fb_maxcol - (*fb->fb_col + 1);
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if (j > n)
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j = n;
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for (i = 1; i < j && RCONS_ISPRINT(str[i]); ++i)
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continue;
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rcons_text(fb, str, i);
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--i;
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str += i;
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n -= i;
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} else
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rcons_pctrl(fb, c);
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}
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++str;
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}
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/* Redraw the cursor (if necessary) */
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if ((fb->fb_bits & FB_CURSOR) == 0)
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rcons_cursor(fb);
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}
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/* Actually write a string to the frame buffer */
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void
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rcons_text(fb, str, n)
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register struct fbdevice *fb;
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register char *str;
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register int n;
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{
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register int x, y, op;
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x = *fb->fb_col * fb->fb_font->width + fb->fb_xorigin;
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y = *fb->fb_row * fb->fb_font->height +
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fb->fb_font_ascent + fb->fb_yorigin;
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op = RAS_SRC;
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if (((fb->fb_bits & FB_STANDOUT) != 0) ^
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((fb->fb_bits & FB_INVERT) != 0))
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op = RAS_NOT(op);
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raster_textn(fb->fb_sp, x, y, op, fb->fb_font, str, n);
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*fb->fb_col += n;
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if (*fb->fb_col >= fb->fb_maxcol) {
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*fb->fb_col = 0;
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(*fb->fb_row)++;
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}
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if (*fb->fb_row >= fb->fb_maxrow)
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rcons_scroll(fb, 1);
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}
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/* Handle a control character sent to the console */
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void
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rcons_pctrl(fb, c)
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register struct fbdevice *fb;
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register int c;
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{
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switch (c) {
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case '\r': /* Carriage return */
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*fb->fb_col = 0;
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break;
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case '\b': /* Backspace */
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if (*fb->fb_col > 0)
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(*fb->fb_col)--;
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break;
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case '\013': /* Vertical tab */
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if (*fb->fb_row > 0)
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(*fb->fb_row)--;
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break;
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case '\f': /* Formfeed */
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*fb->fb_row = *fb->fb_col = 0;
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rcons_clear2eop(fb);
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break;
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case '\n': /* Linefeed */
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(*fb->fb_row)++;
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if (*fb->fb_row >= fb->fb_maxrow)
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rcons_scroll(fb, 1);
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break;
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case '\007': /* Bell */
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rcons_bell(fb);
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break;
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case '\t': /* Horizontal tab */
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*fb->fb_col = (*fb->fb_col + 8) & ~7;
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if (*fb->fb_col >= fb->fb_maxcol)
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*fb->fb_col = fb->fb_maxcol - 1;
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break;
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}
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}
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/* Handle the next character in an escape sequence */
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void
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rcons_esc(fb, c)
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register struct fbdevice *fb;
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register int c;
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{
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if (c == '[') {
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/* Parameter 0 */
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fb->fb_bits &= ~FB_P1;
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fb->fb_bits |= FB_P0;
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} else if (c == ';') {
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/* Parameter 1 */
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fb->fb_bits &= ~FB_P0;
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fb->fb_bits |= FB_P1;
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} else if (RCONS_ISDIGIT(c)) {
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/* Add a digit to a parameter */
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if (fb->fb_bits & FB_P0) {
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/* Parameter 0 */
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if (fb->fb_bits & FB_P0_DEFAULT) {
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fb->fb_bits &= ~FB_P0_DEFAULT;
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fb->fb_p0 = 0;
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}
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fb->fb_p0 *= 10;
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fb->fb_p0 += c - '0';
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} else if (fb->fb_bits & FB_P1) {
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/* Parameter 1 */
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if (fb->fb_bits & FB_P1_DEFAULT) {
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fb->fb_bits &= ~FB_P1_DEFAULT;
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fb->fb_p1 = 0;
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}
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fb->fb_p1 *= 10;
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fb->fb_p1 += c - '0';
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}
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} else {
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/* Erase the cursor (if necessary) */
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if (fb->fb_bits & FB_CURSOR)
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rcons_cursor(fb);
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/* Process the completed escape sequence */
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rcons_doesc(fb, c);
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fb->fb_bits &= ~FB_INESC;
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}
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}
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/* Process a complete escape sequence */
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void
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rcons_doesc(fb, c)
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register struct fbdevice *fb;
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register int c;
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{
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#ifdef notdef
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/* XXX add escape sequence to enable visual (and audible) bell */
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fb->fb_bits = FB_VISBELL;
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#endif
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switch (c) {
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case '@':
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/* Insert Character (ICH) */
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rcons_insertchar(fb, fb->fb_p0);
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break;
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case 'A':
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/* Cursor Up (CUU) */
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*fb->fb_row -= fb->fb_p0;
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if (*fb->fb_row < 0)
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*fb->fb_row = 0;
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break;
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case 'B':
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/* Cursor Down (CUD) */
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*fb->fb_row += fb->fb_p0;
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if (*fb->fb_row >= fb->fb_maxrow)
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*fb->fb_row = fb->fb_maxrow - 1;
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break;
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case 'C':
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/* Cursor Forward (CUF) */
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*fb->fb_col += fb->fb_p0;
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if (*fb->fb_col >= fb->fb_maxcol)
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*fb->fb_col = fb->fb_maxcol - 1;
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break;
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case 'D':
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/* Cursor Backward (CUB) */
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*fb->fb_col -= fb->fb_p0;
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if (*fb->fb_col < 0)
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*fb->fb_col = 0;
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break;
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case 'E':
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/* Cursor Next Line (CNL) */
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*fb->fb_col = 0;
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*fb->fb_row += fb->fb_p0;
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if (*fb->fb_row >= fb->fb_maxrow)
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*fb->fb_row = fb->fb_maxrow - 1;
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break;
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case 'f':
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/* Horizontal And Vertical Position (HVP) */
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case 'H':
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/* Cursor Position (CUP) */
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*fb->fb_col = fb->fb_p1 - 1;
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if (*fb->fb_col < 0)
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*fb->fb_col = 0;
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else if (*fb->fb_col >= fb->fb_maxcol)
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*fb->fb_col = fb->fb_maxcol - 1;
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*fb->fb_row = fb->fb_p0 - 1;
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if (*fb->fb_row < 0)
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*fb->fb_row = 0;
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else if (*fb->fb_row >= fb->fb_maxrow)
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*fb->fb_row = fb->fb_maxrow - 1;
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break;
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case 'J':
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/* Erase in Display (ED) */
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rcons_clear2eop(fb);
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break;
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case 'K':
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/* Erase in Line (EL) */
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rcons_clear2eol(fb);
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break;
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case 'L':
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/* Insert Line (IL) */
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rcons_insertline(fb, fb->fb_p0);
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break;
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case 'M':
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/* Delete Line (DL) */
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rcons_delline(fb, fb->fb_p0);
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break;
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case 'P':
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/* Delete Character (DCH) */
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rcons_delchar(fb, fb->fb_p0);
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break;
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case 'm':
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/* Select Graphic Rendition (SGR); */
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/* (defaults to zero) */
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if (fb->fb_bits & FB_P0_DEFAULT)
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fb->fb_p0 = 0;
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if (fb->fb_p0)
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fb->fb_bits |= FB_STANDOUT;
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else
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fb->fb_bits &= ~FB_STANDOUT;
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break;
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case 'p':
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/* Black On White (SUNBOW) */
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rcons_invert(fb, 0);
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break;
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case 'q':
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/* White On Black (SUNWOB) */
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rcons_invert(fb, 1);
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break;
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case 'r':
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/* Set scrolling (SUNSCRL) */
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/* (defaults to zero) */
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if (fb->fb_bits & FB_P0_DEFAULT)
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fb->fb_p0 = 0;
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/* XXX not implemented yet */
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fb->fb_scroll = fb->fb_p0;
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break;
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case 's':
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/* Reset terminal emulator (SUNRESET) */
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fb->fb_bits &= ~FB_STANDOUT;
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fb->fb_scroll = 0;
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if (fb->fb_bits & FB_INVERT)
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rcons_invert(fb, 0);
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break;
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}
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}
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/* Paint (or unpaint) the cursor */
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void
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rcons_cursor(fb)
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register struct fbdevice *fb;
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{
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register int x, y;
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x = *fb->fb_col * fb->fb_font->width + fb->fb_xorigin;
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y = *fb->fb_row * fb->fb_font->height + fb->fb_yorigin;
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raster_op(fb->fb_sp, x, y,
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#ifdef notdef
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/* XXX This is the right way but too slow */
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fb->fb_font->chars[(int)' '].r->width,
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fb->fb_font->chars[(int)' '].r->height,
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#else
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fb->fb_font->width, fb->fb_font->height,
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#endif
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RAS_INVERT, (struct raster *) 0, 0, 0);
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fb->fb_bits ^= FB_CURSOR;
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}
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/* Possibly change to SUNWOB or SUNBOW mode */
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void
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rcons_invert(fb, wob)
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struct fbdevice *fb;
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int wob;
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{
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if (((fb->fb_bits & FB_INVERT) != 0) ^ wob) {
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/* Invert the display */
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raster_op(fb->fb_sp, 0, 0, fb->fb_sp->width, fb->fb_sp->height,
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RAS_INVERT, (struct raster *) 0, 0, 0);
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/* Swap things around */
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fb->fb_ras_blank = RAS_NOT(fb->fb_ras_blank);
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fb->fb_bits ^= FB_INVERT;
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}
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}
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/* Clear to the end of the page */
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void
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rcons_clear2eop(fb)
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register struct fbdevice *fb;
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{
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register int y;
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if (*fb->fb_col == 0 && *fb->fb_row == 0) {
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/* Clear the entire frame buffer */
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raster_op(fb->fb_sp, 0, 0,
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fb->fb_sp->width, fb->fb_sp->height,
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fb->fb_ras_blank, (struct raster *) 0, 0, 0);
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} else {
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/* Only clear what needs to be cleared */
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rcons_clear2eol(fb);
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y = (*fb->fb_row + 1) * fb->fb_font->height;
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raster_op(fb->fb_sp, fb->fb_xorigin, fb->fb_yorigin + y,
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fb->fb_emuwidth, fb->fb_emuheight - y,
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fb->fb_ras_blank, (struct raster *) 0, 0, 0);
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}
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}
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/* Clear to the end of the line */
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void
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rcons_clear2eol(fb)
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register struct fbdevice *fb;
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{
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register int x;
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x = *fb->fb_col * fb->fb_font->width;
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raster_op(fb->fb_sp,
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fb->fb_xorigin + x,
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*fb->fb_row * fb->fb_font->height + fb->fb_yorigin,
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fb->fb_emuwidth - x, fb->fb_font->height,
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fb->fb_ras_blank, (struct raster *) 0, 0, 0);
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}
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/* Scroll up one line */
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void
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rcons_scroll(fb, n)
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register struct fbdevice *fb;
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register int n;
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{
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register int ydiv;
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/* Can't scroll more than the whole screen */
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if (n > fb->fb_maxrow)
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n = fb->fb_maxrow;
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/* Calculate new row */
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*fb->fb_row -= n;
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if (*fb->fb_row < 0)
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*fb->fb_row = 0;
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/* Calculate number of pixels to scroll */
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ydiv = fb->fb_font->height * n;
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raster_op(fb->fb_sp, fb->fb_xorigin, fb->fb_yorigin,
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fb->fb_emuwidth, fb->fb_emuheight - ydiv,
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RAS_SRC, fb->fb_sp, fb->fb_xorigin, ydiv + fb->fb_yorigin);
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raster_op(fb->fb_sp,
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fb->fb_xorigin, fb->fb_yorigin + fb->fb_emuheight - ydiv,
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fb->fb_emuwidth, ydiv, fb->fb_ras_blank, (struct raster *) 0, 0, 0);
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}
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/* Delete characters */
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void
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rcons_delchar(fb, n)
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register struct fbdevice *fb;
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register int n;
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{
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register int tox, fromx, y, width;
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/* Can't delete more chars than there are */
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if (n > fb->fb_maxcol - *fb->fb_col)
|
|
n = fb->fb_maxcol - *fb->fb_col;
|
|
|
|
fromx = (*fb->fb_col + n) * fb->fb_font->width;
|
|
tox = *fb->fb_col * fb->fb_font->width;
|
|
y = *fb->fb_row * fb->fb_font->height;
|
|
width = n * fb->fb_font->width;
|
|
|
|
raster_op(fb->fb_sp, tox + fb->fb_xorigin, y + fb->fb_yorigin,
|
|
fb->fb_emuwidth - fromx, fb->fb_font->height,
|
|
RAS_SRC, fb->fb_sp, fromx + fb->fb_xorigin, y + fb->fb_yorigin);
|
|
|
|
raster_op(fb->fb_sp,
|
|
fb->fb_emuwidth - width + fb->fb_xorigin, y + fb->fb_yorigin,
|
|
width, fb->fb_font->height,
|
|
fb->fb_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|
|
|
|
/* Delete a number of lines */
|
|
void
|
|
rcons_delline(fb, n)
|
|
register struct fbdevice *fb;
|
|
register int n;
|
|
{
|
|
register int fromy, toy, height;
|
|
|
|
/* Can't delete more lines than there are */
|
|
if (n > fb->fb_maxrow - *fb->fb_row)
|
|
n = fb->fb_maxrow - *fb->fb_row;
|
|
|
|
fromy = (*fb->fb_row + n) * fb->fb_font->height;
|
|
toy = *fb->fb_row * fb->fb_font->height;
|
|
height = fb->fb_font->height * n;
|
|
|
|
raster_op(fb->fb_sp, fb->fb_xorigin, toy + fb->fb_yorigin,
|
|
fb->fb_emuwidth, fb->fb_emuheight - fromy, RAS_SRC,
|
|
fb->fb_sp, fb->fb_xorigin, fromy + fb->fb_yorigin);
|
|
|
|
raster_op(fb->fb_sp,
|
|
fb->fb_xorigin, fb->fb_emuheight - height + fb->fb_yorigin,
|
|
fb->fb_emuwidth, height,
|
|
fb->fb_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|
|
|
|
/* Insert some characters */
|
|
void
|
|
rcons_insertchar(fb, n)
|
|
register struct fbdevice *fb;
|
|
register int n;
|
|
{
|
|
register int tox, fromx, y;
|
|
|
|
/* Can't insert more chars than can fit */
|
|
if (n > fb->fb_maxcol - *fb->fb_col)
|
|
n = fb->fb_maxcol - *fb->fb_col;
|
|
|
|
tox = (*fb->fb_col + n) * fb->fb_font->width;
|
|
fromx = *fb->fb_col * fb->fb_font->width;
|
|
y = *fb->fb_row * fb->fb_font->height;
|
|
|
|
raster_op(fb->fb_sp, tox + fb->fb_xorigin, y + fb->fb_yorigin,
|
|
fb->fb_emuwidth - tox, fb->fb_font->height,
|
|
RAS_SRC, fb->fb_sp, fromx + fb->fb_xorigin, y + fb->fb_yorigin);
|
|
|
|
raster_op(fb->fb_sp, fromx + fb->fb_xorigin, y + fb->fb_yorigin,
|
|
fb->fb_font->width * n, fb->fb_font->height,
|
|
fb->fb_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|
|
|
|
/* Insert some lines */
|
|
void
|
|
rcons_insertline(fb, n)
|
|
register struct fbdevice *fb;
|
|
register int n;
|
|
{
|
|
register int fromy, toy;
|
|
|
|
/* Can't insert more lines than can fit */
|
|
if (n > fb->fb_maxrow - *fb->fb_row)
|
|
n = fb->fb_maxrow - *fb->fb_row;
|
|
|
|
toy = (*fb->fb_row + n) * fb->fb_font->height;
|
|
fromy = *fb->fb_row * fb->fb_font->height;
|
|
|
|
raster_op(fb->fb_sp, fb->fb_xorigin, toy + fb->fb_yorigin,
|
|
fb->fb_emuwidth, fb->fb_emuheight - toy,
|
|
RAS_SRC, fb->fb_sp, fb->fb_xorigin, fromy + fb->fb_yorigin);
|
|
|
|
raster_op(fb->fb_sp, fb->fb_xorigin, fromy + fb->fb_yorigin,
|
|
fb->fb_emuwidth, fb->fb_font->height * n,
|
|
fb->fb_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|