1 /* $NetBSD: kbd.c,v 1.6 2005/12/11 12:17:19 christos 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 <lib/libsa/stand.h> 48 49 #include <hp300/stand/common/samachdep.h> 50 #include <hp300/stand/common/kbdvar.h> 51 52 #ifndef SMALL 53 54 /* 55 * Function switch initialized by keyboard drivers. 56 */ 57 struct kbdsw *selected_kbd; 58 59 int 60 kbdgetc(void) 61 { 62 63 return (selected_kbd != NULL) ? (*selected_kbd->k_getc)() : 0; 64 } 65 66 void 67 kbdnmi(void) 68 { 69 70 if (selected_kbd != NULL) 71 (*selected_kbd->k_nmi)(); 72 73 /* 74 * This is the only reasonable thing to do, unfortunately. 75 * Simply restarting the boot block by frobbing the stack and 76 * jumping to begin: doesn't properly reset variables that 77 * are in the data segment. 78 */ 79 printf("\nboot interrupted, resetting...\n"); 80 DELAY(1000000); 81 call_req_reboot(); 82 } 83 84 void 85 kbdinit(void) 86 { 87 int i; 88 89 selected_kbd = NULL; 90 91 for (i = 0; kbdsw[i].k_init != NULL; i++) { 92 if ((*kbdsw[i].k_init)()) { 93 selected_kbd = &kbdsw[i]; 94 return; 95 } 96 } 97 } 98 99 #endif /* SMALL */ 100 101 #endif /* ITECONSOLE */ 102