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. Azi: testing & tweaking as i go along. */␊ |
157 | void pause() ␊ |
158 | {␊ |
159 | printf("\n\nPress a key to continue...\n");␊ |
160 | getc();␊ |
161 | }␊ |
162 | |