a8445737e7
Kazu writes:
The VESA support code requires vm86 support. Make sure your kernel
configuration file has the following line.
options "VM86"
If you want to statically link the VESA support code to the kernel,
add the following option to the kernel configuration file.
options "VESA"
The vidcontrol command now accepts the following video mode names:
VESA_132x25, VESA_132x43, VESA_132x50, VESA_132x60, VESA_800x600
The VESA_800x600 mode is a raster display mode. The 80x25 text will
be displayed on the 800x600 screen. Useful for some laptop computers.
vidcontrol accepts the new `-i <info>' option, where <info> must be
either `adapter' or `mode'. When the `-i adapter' option is given,
vidcontrol will print basic information (not much) on the video
adapter. When the `-i mode' option is specified, vidcontrol will
list video modes which are actually supported by the video adapter.
Submitted by: Kazutaka YOKOTA yokota@FreeBSD.ORG
367 lines
9.1 KiB
C
367 lines
9.1 KiB
C
/*-
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* Copyright (c) 1997 Sandro Sigala, Brescia, Italy.
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* Copyright (c) 1997 Chris Shenton
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* Copyright (c) 1995 S ren Schmidt
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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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* in this position and unchanged.
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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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*
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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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* $Id: daemon_saver.c,v 1.9 1998/08/06 09:14:20 yokota Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/exec.h>
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#include <sys/sysent.h>
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#include <sys/lkm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <machine/md_var.h>
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#include <machine/pc/display.h>
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#include <saver.h>
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#define CONSOLE_VECT(x, y) \
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((u_short*)(Crtat + (y)*cur_console->xsize + (x)))
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#define DAEMON_MAX_WIDTH 32
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#define DAEMON_MAX_HEIGHT 19
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MOD_MISC(daemon_saver);
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static char *message;
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static int messagelen;
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/* Who is the author of this ASCII pic? */
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static char *daemon_pic[] = {
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" , ,",
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" /( )`",
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" \\ \\___ / |",
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" /- _ `-/ '",
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" (/\\/ \\ \\ /\\",
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" / / | ` \\",
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" O O ) / |",
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" `-^--'`< '",
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" (_.) _ ) /",
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" `.___/` /",
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" `-----' /",
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"<----. __ / __ \\",
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"<----|====O)))==) \\) /====",
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"<----' `--' `.__,' \\",
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" | |",
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" \\ / /\\",
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" ______( (_ / \\______/",
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" ,' ,-----' |",
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" `--{__________)",
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NULL
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};
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static char *daemon_attr[] = {
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" R R",
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" RR RR",
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" R RRRR R R",
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" RR W RRR R",
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" RWWW W R RR",
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" W W W R R",
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" B B W R R",
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" WWWWWWRR R",
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" RRRR R R R",
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" RRRRRRR R",
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" RRRRRRR R",
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"YYYYYY RR R RR R",
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"YYYYYYYYYYRRRRYYR RR RYYYY",
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"YYYYYY RRRR RRRRRR R",
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" R R",
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" R R RR",
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" CCCCCCR RR R RRRRRRRR",
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" CC CCCCCCC C",
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" CCCCCCCCCCCCCCC",
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NULL
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};
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/*
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* Reverse a graphics character, or return unaltered if no mirror;
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* should do alphanumerics too, but I'm too lazy. <cshenton@it.hq.nasa.gov>
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*/
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static char
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xflip_symbol(char symbol)
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{
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static const char lchars[] = "`'(){}[]\\/<>";
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static const char rchars[] = "'`)(}{][/\\><";
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int pos;
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for (pos = 0; lchars[pos] != '\0'; pos++)
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if (lchars[pos] == symbol)
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return rchars[pos];
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return symbol;
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}
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static void
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clear_daemon(int xpos, int ypos, int dxdir, int xoff, int yoff,
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int xlen, int ylen)
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{
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int y;
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if (xlen <= 0)
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return;
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for (y = yoff; y < ylen; y++)
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fillw(((FG_LIGHTGREY|BG_BLACK) << 8) | scr_map[0x20],
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CONSOLE_VECT(xpos + xoff, ypos + y), xlen - xoff);
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}
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static void
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draw_daemon(int xpos, int ypos, int dxdir, int xoff, int yoff,
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int xlen, int ylen)
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{
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int x, y;
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int px;
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int attr;
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for (y = yoff; y < ylen; y++) {
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if (dxdir < 0)
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px = xoff;
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else
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px = DAEMON_MAX_WIDTH - xlen;
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if (px >= strlen(daemon_pic[y]))
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continue;
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for (x = xoff; (x < xlen) && (daemon_pic[y][px] != '\0'); x++, px++) {
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switch (daemon_attr[y][px]) {
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case 'R': attr = (FG_LIGHTRED|BG_BLACK)<<8; break;
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case 'Y': attr = (FG_YELLOW|BG_BLACK)<<8; break;
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case 'B': attr = (FG_LIGHTBLUE|BG_BLACK)<<8; break;
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case 'W': attr = (FG_LIGHTGREY|BG_BLACK)<<8; break;
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case 'C': attr = (FG_CYAN|BG_BLACK)<<8; break;
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default: attr = (FG_WHITE|BG_BLACK)<<8; break;
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}
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if (dxdir < 0) { /* Moving left */
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*CONSOLE_VECT(xpos + x, ypos + y) =
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scr_map[daemon_pic[y][px]]|attr;
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} else { /* Moving right */
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*CONSOLE_VECT(xpos + DAEMON_MAX_WIDTH - px - 1, ypos + y) =
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scr_map[xflip_symbol(daemon_pic[y][px])]|attr;
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}
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}
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}
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}
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static void
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clear_string(int xpos, int ypos, int xoff, char *s, int len)
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{
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if (len <= 0)
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return;
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fillw(((FG_LIGHTGREY|BG_BLACK) << 8) | scr_map[0x20],
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CONSOLE_VECT(xpos + xoff, ypos), len - xoff);
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}
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static void
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draw_string(int xpos, int ypos, int xoff, char *s, int len)
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{
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int x;
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for (x = xoff; x < len; x++)
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*CONSOLE_VECT(xpos + x, ypos) =
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scr_map[s[x]]|(FG_LIGHTGREEN|BG_BLACK)<<8;
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}
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static void
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daemon_saver(int blank)
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{
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static int txpos = 10, typos = 10;
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static int txdir = -1, tydir = -1;
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static int dxpos = 0, dypos = 0;
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static int dxdir = 1, dydir = 1;
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static int moved_daemon = 0;
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static int xoff, yoff, toff;
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static int xlen, ylen, tlen;
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scr_stat *scp = cur_console;
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int min, max;
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if (blank) {
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if (scrn_blanked == 0) {
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/* clear the screen and set the border color */
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fillw(((FG_LIGHTGREY|BG_BLACK) << 8) | scr_map[0x20],
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Crtat, scp->xsize * scp->ysize);
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set_border(scp, 0);
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xlen = ylen = tlen = 0;
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}
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if (scrn_blanked++ < 2)
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return;
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scrn_blanked = 1;
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clear_daemon(dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
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clear_string(txpos, typos, toff, (char *)message, tlen);
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if (++moved_daemon) {
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/*
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* The daemon picture may be off the screen, if
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* screen size is chagened while the screen
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* saver is inactive. Make sure the origin of
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* the picture is between min and max.
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*/
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if (scp->xsize <= DAEMON_MAX_WIDTH) {
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/*
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* If the screen width is too narrow, we
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* allow part of the picture go off
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* the screen so that the daemon won't
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* flip too often.
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*/
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min = scp->xsize - DAEMON_MAX_WIDTH - 10;
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max = 10;
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} else {
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min = 0;
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max = scp->xsize - DAEMON_MAX_WIDTH;
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}
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if (dxpos <= min) {
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dxpos = min;
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dxdir = 1;
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} else if (dxpos >= max) {
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dxpos = max;
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dxdir = -1;
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}
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if (scp->ysize <= DAEMON_MAX_HEIGHT) {
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min = scp->ysize - DAEMON_MAX_HEIGHT - 10;
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max = 10;
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} else {
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min = 0;
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max = scp->ysize - DAEMON_MAX_HEIGHT;
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}
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if (dypos <= min) {
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dypos = min;
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dydir = 1;
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} else if (dypos >= max) {
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dypos = max;
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dydir = -1;
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}
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moved_daemon = -1;
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dxpos += dxdir; dypos += dydir;
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/* clip the picture */
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xoff = 0;
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xlen = DAEMON_MAX_WIDTH;
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if (dxpos + xlen <= 0)
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xlen = 0;
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else if (dxpos < 0)
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xoff = -dxpos;
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if (dxpos >= scp->xsize)
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xlen = 0;
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else if (dxpos + xlen > scp->xsize)
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xlen = scp->xsize - dxpos;
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yoff = 0;
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ylen = DAEMON_MAX_HEIGHT;
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if (dypos + ylen <= 0)
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ylen = 0;
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else if (dypos < 0)
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yoff = -dypos;
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if (dypos >= scp->ysize)
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ylen = 0;
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else if (dypos + ylen > scp->ysize)
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ylen = scp->ysize - dypos;
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}
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if (scp->xsize <= messagelen) {
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min = scp->xsize - messagelen - 10;
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max = 10;
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} else {
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min = 0;
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max = scp->xsize - messagelen;
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}
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if (txpos <= min) {
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txpos = min;
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txdir = 1;
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} else if (txpos >= max) {
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txpos = max;
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txdir = -1;
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}
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if (typos <= 0) {
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typos = 0;
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tydir = 1;
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} else if (typos >= scp->ysize - 1) {
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typos = scp->ysize - 1;
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tydir = -1;
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}
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txpos += txdir; typos += tydir;
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toff = 0;
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tlen = messagelen;
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if (txpos + tlen <= 0)
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tlen = 0;
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else if (txpos < 0)
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toff = -txpos;
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if (txpos >= scp->xsize)
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tlen = 0;
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else if (txpos + tlen > scp->xsize)
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tlen = scp->xsize - txpos;
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draw_daemon(dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
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draw_string(txpos, typos, toff, (char *)message, tlen);
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} else {
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if (scrn_blanked > 0) {
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set_border(scp, scp->border);
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scrn_blanked = 0;
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}
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}
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}
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static int
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daemon_saver_load(struct lkm_table *lkmtp, int cmd)
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{
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int err;
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if (cur_console->mode >= M_VESA_BASE)
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return ENODEV;
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messagelen = strlen(hostname) + 3 + strlen(ostype) + 1 +
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strlen(osrelease);
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message = malloc(messagelen + 1, M_DEVBUF, M_WAITOK);
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sprintf(message, "%s - %s %s", hostname, ostype, osrelease);
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err = add_scrn_saver(daemon_saver);
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if (err != 0)
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free(message, M_DEVBUF);
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return err;
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}
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static int
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daemon_saver_unload(struct lkm_table *lkmtp, int cmd)
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{
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int err;
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err = remove_scrn_saver(daemon_saver);
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if (err == 0)
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free(message, M_DEVBUF);
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return err;
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}
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int
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daemon_saver_mod(struct lkm_table *lkmtp, int cmd, int ver)
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{
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MOD_DISPATCH(daemon_saver, lkmtp, cmd, ver,
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daemon_saver_load, daemon_saver_unload, lkm_nullcmd);
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}
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