Home | History | Annotate | Line # | Download | only in common 
      1 /*	$NetBSD: kbd.c,v 1.7 2008/04/28 20:23:19 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Indirect keyboard driver for standalone ITE.
     34  */
     35 
     36 #ifdef ITECONSOLE
     37 
     38 #include <sys/param.h>
     39 
     40 #include <lib/libsa/stand.h>
     41 
     42 #include <hp300/stand/common/samachdep.h>
     43 #include <hp300/stand/common/kbdvar.h>
     44 
     45 #ifndef SMALL
     46 
     47 /*
     48  * Function switch initialized by keyboard drivers.
     49  */
     50 struct kbdsw *selected_kbd;
     51 
     52 int
     53 kbdgetc(void)
     54 {
     55 
     56 	return (selected_kbd != NULL) ? (*selected_kbd->k_getc)() : 0;
     57 }
     58 
     59 void
     60 kbdnmi(void)
     61 {
     62 
     63 	if (selected_kbd != NULL)
     64 		(*selected_kbd->k_nmi)();
     65 
     66 	/*
     67 	 * This is the only reasonable thing to do, unfortunately.
     68 	 * Simply restarting the boot block by frobbing the stack and
     69 	 * jumping to begin: doesn't properly reset variables that
     70 	 * are in the data segment.
     71 	 */
     72 	printf("\nboot interrupted, resetting...\n");
     73 	DELAY(1000000);
     74 	call_req_reboot();
     75 }
     76 
     77 void
     78 kbdinit(void)
     79 {
     80 	int i;
     81 
     82 	selected_kbd = NULL;
     83 
     84 	for (i = 0; kbdsw[i].k_init != NULL; i++) {
     85 		if ((*kbdsw[i].k_init)()) {
     86 			selected_kbd = &kbdsw[i];
     87 			return;
     88 		}
     89 	}
     90 }
     91 
     92 #endif /* SMALL */
     93 
     94 #endif /* ITECONSOLE */
     95