1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <sys/promif.h> 28 #include <sys/promimpl.h> 29 #include <sys/bootsvcs.h> 30 31 /* 32 * prom_getchar 33 * 34 * always returns a character; waits for input if none is available. 35 */ 36 uchar_t prom_getchar(void)37prom_getchar(void) 38 { 39 while (BSVC_ISCHAR(SYSP) == 0) 40 ; 41 return (BSVC_GETCHAR(SYSP)); 42 } 43 44 /* 45 * prom_mayget 46 * 47 * returns a character from the keyboard if one is available, 48 * otherwise returns a -1. 49 */ 50 int prom_mayget(void)51prom_mayget(void) 52 { 53 if (BSVC_ISCHAR(SYSP) == 0) 54 return (-1); 55 return (BSVC_GETCHAR(SYSP)); 56 } 57