8e6b01171e
convention of having their entry point named "<modname>_mod"". Symorder is enforcing this when the current bsd.kmod.mk is installed. I've not tested all these, but at least they all compile now. Reattach them to the makefile. Note that the change that I made to symorder needs to be compiled and installed before any LKM's will work - the last version was corrupting the relocation tables. A "make world" will to this, but if you manually run a make on the lkm's you'll need to take care of it by hand.
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/*-
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* Copyright (c) 1995 Søren 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software withough 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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* $Id: star_saver.c,v 1.3 1995/05/30 06:06:20 rgrimes 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/conf.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/errno.h>
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#include <saver.h>
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MOD_MISC("star_saver")
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void (*current_saver)();
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void (*old_saver)();
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#define NUM_STARS 50
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/*
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* Alternate saver that got its inspiration from a well known utility
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* package for an inferior^H^H^H^H^H^Hfamous OS.
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*/
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void
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star_saver(int blank)
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{
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scr_stat *scp = cur_console;
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int cell, i;
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char pattern[] = {"...........++++*** "};
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char colors[] = {FG_DARKGREY, FG_LIGHTGREY,
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FG_WHITE, FG_LIGHTCYAN};
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static u_short stars[NUM_STARS][2];
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if (blank) {
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if (!scrn_blanked) {
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scrn_blanked = 1;
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fillw((FG_LIGHTGREY|BG_BLACK)<<8|scr_map[0x20], Crtat,
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scp->xsize * scp->ysize);
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set_border(0);
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for(i=0; i<NUM_STARS; i++) {
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stars[i][0] =
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random() % (scp->xsize*scp->ysize);
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stars[i][1] = 0;
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}
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}
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cell = random() % NUM_STARS;
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*((u_short*)(Crtat + stars[cell][0])) =
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scr_map[pattern[stars[cell][1]]] |
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colors[random()%sizeof(colors)] << 8;
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if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) {
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stars[cell][0] = random() % (scp->xsize*scp->ysize);
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stars[cell][1] = 0;
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}
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}
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else {
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if (scrn_blanked) {
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set_border(scp->border);
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scrn_blanked = 0;
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scp->start = 0;
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scp->end = scp->xsize * scp->ysize;
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}
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}
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}
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star_saver_load(struct lkm_table *lkmtp, int cmd)
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{
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(*current_saver)(0);
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old_saver = current_saver;
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current_saver = star_saver;
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uprintf("star screen saver installed\n");
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return 0;
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}
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star_saver_unload(struct lkm_table *lkmtp, int cmd)
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{
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(*current_saver)(0);
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current_saver = old_saver;
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uprintf("star screen saver removed\n");
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return 0;
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}
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star_saver_mod(struct lkm_table *lkmtp, int cmd, int ver)
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{
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DISPATCH(lkmtp, cmd, ver, star_saver_load, star_saver_unload, nosys);
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}
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