| 1 | /*␊ |
| 2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
| 7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
| 8 | * Original Code as defined in and that are subject to the Apple Public␊ |
| 9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
| 10 | * except in compliance with the License. Please obtain a copy of the␊ |
| 11 | * License at http://www.apple.com/publicsource and read it before using␊ |
| 12 | * this file.␊ |
| 13 | * ␊ |
| 14 | * The Original Code and all software distributed under the License are␊ |
| 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
| 19 | * License for the specific language governing rights and limitations␊ |
| 20 | * under the License.␊ |
| 21 | * ␊ |
| 22 | * @APPLE_LICENSE_HEADER_END@␊ |
| 23 | */␊ |
| 24 | /* ␊ |
| 25 | * Mach Operating System␊ |
| 26 | * Copyright (c) 1990 Carnegie-Mellon University␊ |
| 27 | * Copyright (c) 1989 Carnegie-Mellon University␊ |
| 28 | * All rights reserved. The CMU software License Agreement specifies␊ |
| 29 | * the terms and conditions for use and redistribution.␊ |
| 30 | */␊ |
| 31 | ␊ |
| 32 | /*␊ |
| 33 | * ␉␉␉INTEL CORPORATION PROPRIETARY INFORMATION␊ |
| 34 | *␊ |
| 35 | *␉This software is supplied under the terms of a license agreement or ␊ |
| 36 | *␉nondisclosure agreement with Intel Corporation and may not be copied ␊ |
| 37 | *␉nor disclosed except in accordance with the terms of that agreement.␊ |
| 38 | *␊ |
| 39 | *␉Copyright 1988, 1989 Intel Corporation␊ |
| 40 | */␊ |
| 41 | ␊ |
| 42 | /*␊ |
| 43 | * Copyright 1993 NeXT, Inc.␊ |
| 44 | * All rights reserved.␊ |
| 45 | */␊ |
| 46 | ␊ |
| 47 | #include "libsaio.h"␊ |
| 48 | #include "bootstruct.h"␊ |
| 49 | ␊ |
| 50 | extern int␉vprf(const char * fmt, va_list ap);␊ |
| 51 | ␊ |
| 52 | bool gVerboseMode;␊ |
| 53 | bool gErrors;␊ |
| 54 | ␊ |
| 55 | /*␊ |
| 56 | * write one character to console␊ |
| 57 | */␊ |
| 58 | void putchar(int c)␊ |
| 59 | {␊ |
| 60 | ␉if ( c == '\t' )␊ |
| 61 | ␉{␊ |
| 62 | ␉␉for (c = 0; c < 8; c++) putc(' ');␊ |
| 63 | ␉␉return;␊ |
| 64 | ␉}␊ |
| 65 | ␊ |
| 66 | ␉if ( c == '\n' )␊ |
| 67 | {␊ |
| 68 | ␉␉putc('\r');␊ |
| 69 | }␊ |
| 70 | ␊ |
| 71 | ␉putc(c);␊ |
| 72 | }␊ |
| 73 | ␊ |
| 74 | int getc()␊ |
| 75 | {␊ |
| 76 | int c = bgetc();␊ |
| 77 | ␊ |
| 78 | if ((c & 0xff) == 0)␊ |
| 79 | return c;␊ |
| 80 | else␊ |
| 81 | return (c & 0xff);␊ |
| 82 | }␊ |
| 83 | ␊ |
| 84 | // Read and echo a character from console. This doesn't echo backspace␊ |
| 85 | // since that screws up higher level handling␊ |
| 86 | ␊ |
| 87 | int getchar()␊ |
| 88 | {␊ |
| 89 | ␉register int c = getc();␊ |
| 90 | ␊ |
| 91 | ␉if ( c == '\r' ) c = '\n';␊ |
| 92 | ␊ |
| 93 | ␉if ( c >= ' ' && c < 0x7f) putchar(c);␊ |
| 94 | ␉␊ |
| 95 | ␉return (c);␊ |
| 96 | }␊ |
| 97 | ␊ |
| 98 | int printf(const char * fmt, ...)␊ |
| 99 | {␊ |
| 100 | va_list ap;␊ |
| 101 | ␉va_start(ap, fmt);␊ |
| 102 | ␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊ |
| 103 | ␉␉prf(fmt, ap, putchar, 0);␊ |
| 104 | ␉else␊ |
| 105 | ␉␉vprf(fmt, ap);␊ |
| 106 | ␉va_end(ap);␊ |
| 107 | return 0;␊ |
| 108 | }␊ |
| 109 | ␊ |
| 110 | int verbose(const char * fmt, ...)␊ |
| 111 | {␊ |
| 112 | va_list ap;␊ |
| 113 | ␊ |
| 114 | if (gVerboseMode)␊ |
| 115 | {␊ |
| 116 | ␉␉va_start(ap, fmt);␊ |
| 117 | ␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊ |
| 118 | ␉␉␉prf(fmt, ap, putchar, 0);␊ |
| 119 | ␉␉else␊ |
| 120 | ␉␉␉vprf(fmt, ap);␊ |
| 121 | va_end(ap);␊ |
| 122 | }␊ |
| 123 | return(0);␊ |
| 124 | }␊ |
| 125 | ␊ |
| 126 | int error(const char * fmt, ...)␊ |
| 127 | {␊ |
| 128 | va_list ap;␊ |
| 129 | gErrors = true;␊ |
| 130 | va_start(ap, fmt);␊ |
| 131 | ␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊ |
| 132 | ␉␉prf(fmt, ap, putchar, 0);␊ |
| 133 | else␊ |
| 134 | ␉␉vprf(fmt, ap);␊ |
| 135 | ␉va_end(ap);␊ |
| 136 | return(0);␊ |
| 137 | }␊ |
| 138 | ␊ |
| 139 | void stop(const char * fmt, ...)␊ |
| 140 | {␊ |
| 141 | ␉va_list ap;␊ |
| 142 | ␊ |
| 143 | ␉printf("\n");␊ |
| 144 | ␉va_start(ap, fmt);␊ |
| 145 | ␉if (bootArgs->Video.v_display == VGA_TEXT_MODE) {␊ |
| 146 | ␉␉prf(fmt, ap, putchar, 0);␊ |
| 147 | ␉} else {␊ |
| 148 | ␉␉vprf(fmt, ap);␊ |
| 149 | ␉}␊ |
| 150 | ␉va_end(ap);␊ |
| 151 | ␉printf("\nThis is a non recoverable error! System HALTED!!!");␊ |
| 152 | ␉halt();␊ |
| 153 | ␉while (1);␊ |
| 154 | }␊ |
| 155 | ␊ |
| 156 | /** Print a "Press a key to continue..." message and wait for a key press. */␊ |
| 157 | void pause() ␊ |
| 158 | {␊ |
| 159 | printf("Press a key to continue...");␊ |
| 160 | getc();␊ |
| 161 | }␊ |
| 162 | |
