374 lines
8.4 KiB
C
374 lines
8.4 KiB
C
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/* $NetBSD: smg.c,v 1.1 1998/06/04 15:51:12 ragge Exp $ */
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/*
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* Copyright (c) 1998 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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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 at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/time.h>
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#include <sys/malloc.h>
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#include <sys/conf.h>
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#include <dev/cons.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wscons_callbacks.h>
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#include <machine/vsbus.h>
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#include <machine/sid.h>
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#include "lkc.h"
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#define SM_COLS 128 /* char width of screen */
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#define SM_ROWS 57 /* rows of char on screen */
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#define SM_CHEIGHT 15 /* lines a char consists of */
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#define SM_NEXTROW (SM_COLS * SM_CHEIGHT)
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static int smg_match __P((struct device *, struct cfdata *, void *));
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static void smg_attach __P((struct device *, struct device *, void *));
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struct smg_softc {
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struct device ss_dev;
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};
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struct cfattach smg_ca = {
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sizeof(struct smg_softc), smg_match, smg_attach,
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};
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static void smg_cursor __P((void *, int, int, int));
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static void smg_putstr __P((void *, int, int, char *, int, long));
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static void smg_copycols __P((void *, int, int, int,int));
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static void smg_erasecols __P((void *, int, int, int, long));
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static void smg_copyrows __P((void *, int, int, int));
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static void smg_eraserows __P((void *, int, int, long));
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static int smg_alloc_attr __P((void *, int, int, int, long *));
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const struct wsdisplay_emulops smg_emulops = {
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smg_cursor,
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smg_putstr,
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smg_copycols,
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smg_erasecols,
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smg_copyrows,
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smg_eraserows,
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smg_alloc_attr
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};
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const struct wsscreen_descr smg_stdscreen = {
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"128x57", 128, 57,
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&smg_emulops,
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8, 15,
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0, /* WSSCREEN_UNDERLINE??? */
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};
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const struct wsscreen_descr *_smg_scrlist[] = {
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&smg_stdscreen,
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};
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const struct wsscreen_list smg_screenlist = {
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sizeof(_smg_scrlist) / sizeof(struct wsscreen_descr *),
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_smg_scrlist,
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};
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static int smg_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
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static int smg_mmap __P((void *, off_t, int));
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static int smg_alloc_screen __P((void *, const struct wsscreen_descr *,
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void **, int *, int *, long *));
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static void smg_free_screen __P((void *, void *));
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static void smg_show_screen __P((void *, void *));
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static int smg_load_font __P((void *, void *, int, int, int, void *));
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const struct wsdisplay_accessops smg_accessops = {
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smg_ioctl,
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smg_mmap,
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smg_alloc_screen,
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smg_free_screen,
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smg_show_screen,
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smg_load_font
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};
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struct smg_screen {
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int ss_curx;
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int ss_cury;
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};
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struct smg_config {
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struct smg_screen ss_devs[8]; /* XXX */
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};
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int
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smg_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct vsbus_attach_args *va = aux;
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if (va->va_type != INR_VF)
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return 0;
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#ifdef DIAGNOSTIC
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if (sm_addr == 0)
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panic("smg: inconsistency in smg address mapping");
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#endif
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return 1;
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}
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void
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smg_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct wsemuldisplaydev_attach_args aa;
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struct smg_config *sc;
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printf("\n");
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sc = malloc(sizeof(struct smg_config), M_DEVBUF, M_WAITOK);
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aa.console = !(vax_confdata & 0x20);
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aa.scrdata = &smg_screenlist;
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aa.accessops = &smg_accessops;
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aa.accesscookie = sc;
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config_found(self, &aa, wsemuldisplaydevprint);
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}
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void
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smg_cursor(id, on, row, col)
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void *id;
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int on, row, col;
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{
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sm_addr[(row * 15 * 128) + col + (14 * 128)] = on ? 255 : 0;
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}
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static void
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smg_putstr(id, row, col, cp, len, attr)
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void *id;
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int row, col;
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char *cp;
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int len;
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long attr;
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{
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int i, j;
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extern char q_font[];
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for (i = 0; i < len; i++)
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for (j = 0; j < 15; j++)
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sm_addr[col + i + (row * 15 * 128) + j * 128] =
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q_font[(cp[i] - 32) * 15 + j];
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}
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/*
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* copies columns inside a row.
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*/
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static void
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smg_copycols(id, row, srccol, dstcol, ncols)
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void *id;
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int row, srccol, dstcol, ncols;
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{
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int i;
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for (i = 0; i < SM_CHEIGHT; i++)
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bcopy(&sm_addr[(row * SM_NEXTROW) + srccol + (i * 128)],
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&sm_addr[(row * SM_NEXTROW) + dstcol + i*128], ncols);
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}
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/*
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* Erases a bunch of chars inside one row.
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*/
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static void
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smg_erasecols(id, row, startcol, ncols, fillattr)
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void *id;
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int row, startcol, ncols;
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long fillattr;
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{
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int i;
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for (i = 0; i < SM_CHEIGHT; i++)
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bzero(&sm_addr[(row * SM_NEXTROW) + startcol + i * 128], ncols);
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}
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static void
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smg_copyrows(id, srcrow, dstrow, nrows)
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void *id;
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int srcrow, dstrow, nrows;
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{
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int frows;
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if (nrows > 25) {
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frows = nrows >> 1;
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if (srcrow > dstrow) {
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bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
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&sm_addr[(dstrow * SM_NEXTROW)],
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frows * SM_NEXTROW);
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bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)],
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&sm_addr[((dstrow + frows) * SM_NEXTROW)],
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(nrows - frows) * SM_NEXTROW);
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} else {
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bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)],
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&sm_addr[((dstrow + frows) * SM_NEXTROW)],
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(nrows - frows) * SM_NEXTROW);
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bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
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&sm_addr[(dstrow * SM_NEXTROW)],
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frows * SM_NEXTROW);
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}
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} else
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bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
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&sm_addr[(dstrow * SM_NEXTROW)], nrows * SM_NEXTROW);
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}
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static void
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smg_eraserows(id, startrow, nrows, fillattr)
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void *id;
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int startrow, nrows;
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long fillattr;
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{
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int frows;
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if (nrows > 25) {
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frows = nrows >> 1;
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bzero(&sm_addr[(startrow * SM_NEXTROW)], frows * SM_NEXTROW);
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bzero(&sm_addr[((startrow + frows) * SM_NEXTROW)],
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(nrows - frows) * SM_NEXTROW);
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} else
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bzero(&sm_addr[(startrow * SM_NEXTROW)], nrows * SM_NEXTROW);
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}
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static int
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smg_alloc_attr(id, fg, bg, flags, attrp)
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void *id;
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int fg, bg;
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int flags;
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long *attrp;
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{
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return 0;
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}
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int
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smg_ioctl(v, cmd, data, flag, p)
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void *v;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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return -1;
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}
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static int
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smg_mmap(v, offset, prot)
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void *v;
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off_t offset;
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int prot;
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{
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return -1;
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}
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int
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smg_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
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void *v;
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const struct wsscreen_descr *type;
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void **cookiep;
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int *curxp, *curyp;
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long *defattrp;
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{
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return 0;
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}
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void
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smg_free_screen(v, cookie)
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void *v;
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void *cookie;
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{
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}
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void
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smg_show_screen(v, cookie)
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void *v;
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void *cookie;
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{
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}
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static int
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smg_load_font(v, cookie, first, num, stride, data)
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void *v;
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void *cookie;
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int first, num, stride;
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void *data;
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{
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return 0;
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}
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cons_decl(smg);
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#define WSCONSOLEMAJOR 68
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void
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smgcninit(cndev)
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struct consdev *cndev;
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{
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extern void lkccninit __P((struct consdev *));
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extern int lkccngetc __P((dev_t));
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/* Clear screen */
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blkclr(sm_addr, 128*864);
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wsdisplay_cnattach(&smg_stdscreen, 0, 0, 0, 0);
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cn_tab->cn_dev = makedev(WSCONSOLEMAJOR, 0);
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#if NLKC
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lkccninit(cndev);
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wsdisplay_set_cons_kbd(lkccngetc, nullcnpollc);
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#endif
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}
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int smgprobe(void);
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int
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smgprobe()
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{
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switch (vax_boardtype) {
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case VAX_BTYP_410:
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case VAX_BTYP_420:
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case VAX_BTYP_43:
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if (vax_confdata & 0x20) /* doesn't use graphics console */
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break;
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if (sm_addr == 0) /* Haven't mapped graphic area */
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break;
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return 1;
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default:
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break;
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}
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return 0;
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}
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