xref: /netbsd/sys/arch/hp300/stand/common/kbd.c (revision bf9ec67e)
1 /*	$NetBSD: kbd.c,v 1.3 1997/10/09 08:57:12 jtc 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Indirect keyboard driver for standalone ITE.
41  */
42 
43 #ifdef ITECONSOLE
44 
45 #include <sys/param.h>
46 
47 #include <hp300/stand/common/samachdep.h>
48 #include <hp300/stand/common/kbdvar.h>
49 
50 #ifndef SMALL
51 
52 /*
53  * Function switch initialized by keyboard drivers.
54  */
55 struct kbdsw *selected_kbd;
56 
57 int
58 kbdgetc()
59 {
60 
61 	return ((selected_kbd != NULL) ? (*selected_kbd->k_getc)() : 0);
62 }
63 
64 void
65 kbdnmi()
66 {
67 
68 	if (selected_kbd != NULL)
69 		(*selected_kbd->k_nmi)();
70 
71 	/*
72 	 * This is the only reasonable thing to do, unfortunately.
73 	 * Simply restarting the boot block by frobbing the stack and
74 	 * jumping to begin: doesn't properly reset variables that
75 	 * are in the data segment.
76 	 */
77 	printf("\nboot interrupted, resetting...\n");
78 	DELAY(1000000);
79 	call_req_reboot();
80 }
81 
82 void
83 kbdinit()
84 {
85 	int i;
86 
87 	selected_kbd = NULL;
88 
89 	for (i = 0; kbdsw[i].k_init != NULL; i++) {
90 		if ((*kbdsw[i].k_init)()) {
91 			selected_kbd = &kbdsw[i];
92 			return;
93 		}
94 	}
95 }
96 
97 #endif /* SMALL */
98 
99 #endif /* ITECONSOLE */
100