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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//Azi: Double log available size; this seems to fix some hangs and instant reboots caused by
57// booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,
58// this depends on how much we "play" at the boot prompt and with what patches we're playing,
59// depending on how much they print to the log.
60#define BOOTER_LOG_SIZE(128 * 1024)
61#define SAFE_LOG_SIZE134
62
63char *msgbuf = 0;
64char *cursor = 0;
65
66struct putc_info {
67 char * str;
68 char * last_str;
69};
70
71static void sputc(int c, struct putc_info * pi)
72{
73if (pi->last_str)
74if (pi->str == pi->last_str)
75{
76*(pi->str) = '\0';
77return;
78}
79*(pi->str)++ = c;
80}
81
82void initBooterLog(void)
83{
84msgbuf = malloc(BOOTER_LOG_SIZE);
85bzero(msgbuf, BOOTER_LOG_SIZE);
86cursor = msgbuf;
87}
88
89void msglog(const char * fmt, ...)
90{
91va_list ap;
92struct putc_info pi;
93
94if (!msgbuf)
95return;
96
97if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
98return;
99
100va_start(ap, fmt);
101pi.str = cursor;
102pi.last_str = 0;
103prf(fmt, ap, sputc, &pi);
104va_end(ap);
105cursor += strlen((char *)cursor);
106}
107
108void setupBooterLog(void)
109{
110if (!msgbuf)
111return;
112
113Node *node = DT__FindNode("/", false);
114if (node)
115DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);
116}
117/* Kabyl: !BooterLog */
118
119/*
120 * write one character to console
121 */
122void putchar(int c)
123{
124if ( c == '\t' )
125{
126for (c = 0; c < 8; c++) putc(' ');
127return;
128}
129
130if ( c == '\n' )
131 {
132putc('\r');
133 }
134
135putc(c);
136}
137
138int getc()
139{
140 int c = bgetc();
141
142 if ((c & 0xff) == 0)
143 return c;
144 else
145 return (c & 0xff);
146}
147
148// Read and echo a character from console. This doesn't echo backspace
149// since that screws up higher level handling
150
151int getchar()
152{
153register int c = getc();
154
155if ( c == '\r' ) c = '\n';
156
157if ( c >= ' ' && c < 0x7f) putchar(c);
158
159return (c);
160}
161
162int printf(const char * fmt, ...)
163{
164 va_list ap;
165va_start(ap, fmt);
166if (bootArgs->Video.v_display == VGA_TEXT_MODE)
167prf(fmt, ap, putchar, 0);
168else
169vprf(fmt, ap);
170
171{
172/* Kabyl: BooterLog */
173struct putc_info pi;
174
175if (!msgbuf)
176return 0;
177
178if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
179return 0;
180pi.str = cursor;
181pi.last_str = 0;
182prf(fmt, ap, sputc, &pi);
183cursor += strlen((char *)cursor);
184}
185
186va_end(ap);
187 return 0;
188}
189
190int verbose(const char * fmt, ...)
191{
192 va_list ap;
193
194va_start(ap, fmt);
195 if (gVerboseMode)
196 {
197if (bootArgs->Video.v_display == VGA_TEXT_MODE)
198prf(fmt, ap, putchar, 0);
199else
200vprf(fmt, ap);
201 }
202
203{
204/* Kabyl: BooterLog */
205struct putc_info pi;
206
207if (!msgbuf)
208return 0;
209
210if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
211return 0;
212pi.str = cursor;
213pi.last_str = 0;
214prf(fmt, ap, sputc, &pi);
215cursor += strlen((char *)cursor);
216}
217
218 va_end(ap);
219 return(0);
220}
221
222int error(const char * fmt, ...)
223{
224 va_list ap;
225 gErrors = true;
226 va_start(ap, fmt);
227if (bootArgs->Video.v_display == VGA_TEXT_MODE)
228prf(fmt, ap, putchar, 0);
229 else
230vprf(fmt, ap);
231va_end(ap);
232 return(0);
233}
234
235void stop(const char * fmt, ...)
236{
237va_list ap;
238
239printf("\n");
240va_start(ap, fmt);
241if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
242prf(fmt, ap, putchar, 0);
243} else {
244vprf(fmt, ap);
245}
246va_end(ap);
247printf("\nThis is a non recoverable error! System HALTED!!!"); //Azi: line break ??
248halt();
249while (1);
250}
251
252/** Print a "Press a key to continue..." message and wait for a key press. */
253void pause()
254{
255 printf("Press a key to continue...\n");
256 getc();
257}
258

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