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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
50extern intvprf(const char * fmt, va_list ap);
51
52bool gVerboseMode;
53bool gErrors;
54
55/* Kabyl: BooterLog */
56#define BOOTER_LOG_SIZE(64 * 1024)
57#define SAFE_LOG_SIZE80
58
59char *msgbuf = 0;
60char *cursor = 0;
61
62struct putc_info {
63 char * str;
64 char * last_str;
65};
66
67static void sputc(int c, struct putc_info * pi)
68{
69if (pi->last_str)
70if (pi->str == pi->last_str)
71{
72*(pi->str) = '\0';
73return;
74}
75*(pi->str)++ = c;
76}
77
78void initBooterLog(void)
79{
80msgbuf = malloc(BOOTER_LOG_SIZE);
81bzero(msgbuf, BOOTER_LOG_SIZE);
82cursor = msgbuf;
83}
84
85void msglog(const char * fmt, ...)
86{
87va_list ap;
88struct putc_info pi;
89
90if (!msgbuf)
91return;
92
93if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
94return;
95
96va_start(ap, fmt);
97pi.str = cursor;
98pi.last_str = 0;
99prf(fmt, ap, sputc, &pi);
100va_end(ap);
101cursor += strlen((char *)cursor);
102}
103
104void setupBooterLog(void)
105{
106if (!msgbuf)
107return;
108
109Node *node = DT__FindNode("/", false);
110if (node)
111DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);
112}
113/* Kabyl: !BooterLog */
114
115/*
116 * write one character to console
117 */
118void putchar(int c)
119{
120if ( c == '\t' )
121{
122for (c = 0; c < 8; c++) putc(' ');
123return;
124}
125
126if ( c == '\n' )
127 {
128putc('\r');
129 }
130
131putc(c);
132}
133
134int getc()
135{
136 int c = bgetc();
137
138 if ((c & 0xff) == 0)
139 return c;
140 else
141 return (c & 0xff);
142}
143
144// Read and echo a character from console. This doesn't echo backspace
145// since that screws up higher level handling
146
147int getchar()
148{
149register int c = getc();
150
151if ( c == '\r' ) c = '\n';
152
153if ( c >= ' ' && c < 0x7f) putchar(c);
154
155return (c);
156}
157
158int printf(const char * fmt, ...)
159{
160 va_list ap;
161va_start(ap, fmt);
162if (bootArgs->Video.v_display == VGA_TEXT_MODE)
163prf(fmt, ap, putchar, 0);
164else
165vprf(fmt, ap);
166
167{
168/* Kabyl: BooterLog */
169struct putc_info pi;
170
171if (!msgbuf)
172return 0;
173
174if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
175return 0;
176pi.str = cursor;
177pi.last_str = 0;
178prf(fmt, ap, sputc, &pi);
179cursor += strlen((char *)cursor);
180}
181
182va_end(ap);
183 return 0;
184}
185
186int verbose(const char * fmt, ...)
187{
188 va_list ap;
189
190va_start(ap, fmt);
191 if (gVerboseMode)
192 {
193if (bootArgs->Video.v_display == VGA_TEXT_MODE)
194prf(fmt, ap, putchar, 0);
195else
196vprf(fmt, ap);
197 }
198
199{
200/* Kabyl: BooterLog */
201struct putc_info pi;
202
203if (!msgbuf)
204return 0;
205
206if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
207return 0;
208pi.str = cursor;
209pi.last_str = 0;
210prf(fmt, ap, sputc, &pi);
211cursor += strlen((char *)cursor);
212}
213
214 va_end(ap);
215 return(0);
216}
217
218int error(const char * fmt, ...)
219{
220 va_list ap;
221 gErrors = true;
222 va_start(ap, fmt);
223if (bootArgs->Video.v_display == VGA_TEXT_MODE)
224prf(fmt, ap, putchar, 0);
225 else
226vprf(fmt, ap);
227va_end(ap);
228 return(0);
229}
230
231void stop(const char * fmt, ...)
232{
233va_list ap;
234
235printf("\n");
236va_start(ap, fmt);
237if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
238prf(fmt, ap, putchar, 0);
239} else {
240vprf(fmt, ap);
241}
242va_end(ap);
243printf("\nThis is a non recoverable error! System HALTED!!!");
244halt();
245while (1);
246}
247
248/** Print a "Press a key to continue..." message and wait for a key press. */
249void pause()
250{
251 printf("Press a key to continue...\n");
252 getc();
253}
254

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