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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/promif.h> 30 #include <sys/promimpl.h> 31 #include <sys/bootsvcs.h> 32 33 /*ARGSUSED*/ 34 int 35 prom_mayput(char c) 36 { 37 prom_putchar(c); 38 return (1); 39 } 40 41 void 42 prom_putchar(char c) 43 { 44 static int bhcharpos = 0; 45 promif_owrap_t *ow; 46 47 ow = promif_preout(); 48 switch (c) { 49 case '\t': 50 do { 51 BSVC_PUTCHAR(SYSP, ' '); 52 } while (++bhcharpos % 8); 53 break; 54 case '\n': 55 case '\r': 56 bhcharpos = 0; 57 BSVC_PUTCHAR(SYSP, c); 58 break; 59 case '\b': 60 if (bhcharpos) 61 bhcharpos--; 62 BSVC_PUTCHAR(SYSP, c); 63 break; 64 default: 65 bhcharpos++; 66 BSVC_PUTCHAR(SYSP, c); 67 break; 68 } 69 promif_postout(ow); 70 } 71 72 void 73 prom_writestr(const char *s, size_t n) 74 { 75 while (n-- != 0) 76 prom_putchar(*s++); 77 } 78