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Annotation of sys/arch/hp300/stand/common/kbd.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: kbd.c,v 1.2 2006/08/17 06:31:10 miod Exp $    */
                      2: /*     $NetBSD: kbd.c,v 1.2 1997/05/12 07:51:32 thorpej Exp $  */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1997 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to The NetBSD Foundation
                      9:  * by Jason R. Thorpe.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *        This product includes software developed by the NetBSD
                     22:  *        Foundation, Inc. and its contributors.
                     23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     24:  *    contributors may be used to endorse or promote products derived
                     25:  *    from this software without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
                     31:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     37:  * POSSIBILITY OF SUCH DAMAGE.
                     38:  */
                     39:
                     40: /*
                     41:  * Indirect keyboard driver for standalone ITE.
                     42:  */
                     43:
                     44: #ifdef ITECONSOLE
                     45:
                     46: #include <sys/param.h>
                     47:
                     48: #include <lib/libsa/stand.h>
                     49:
                     50: #include "samachdep.h"
                     51: #include "kbdvar.h"
                     52:
                     53: #ifndef SMALL
                     54:
                     55: /*
                     56:  * Function switch initialized by keyboard drivers.
                     57:  */
                     58: struct kbdsw *selected_kbd;
                     59:
                     60: int
                     61: kbdgetc()
                     62: {
                     63:
                     64:        return ((selected_kbd != NULL) ? (*selected_kbd->k_getc)() : 0);
                     65: }
                     66:
                     67: void
                     68: kbdnmi()
                     69: {
                     70:
                     71:        if (selected_kbd != NULL)
                     72:                (*selected_kbd->k_nmi)();
                     73:
                     74:        /*
                     75:         * This is the only reasonable thing to do, unfortunately.
                     76:         * Simply restarting the boot block by frobbing the stack and
                     77:         * jumping to begin: doesn't properly reset variables that
                     78:         * are in the data segment.
                     79:         */
                     80:        printf("\nboot interrupted, resetting...\n");
                     81:        DELAY(1000000);
                     82:        call_req_reboot();
                     83: }
                     84:
                     85: void
                     86: kbdinit()
                     87: {
                     88:        int i;
                     89:
                     90:        selected_kbd = NULL;
                     91:
                     92:        for (i = 0; kbdsw[i].k_init != NULL; i++) {
                     93:                if ((*kbdsw[i].k_init)()) {
                     94:                        selected_kbd = &kbdsw[i];
                     95:                        return;
                     96:                }
                     97:        }
                     98: }
                     99:
                    100: #endif /* SMALL */
                    101:
                    102: #endif /* ITECONSOLE */