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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);
100*pi.str = '\0';
101va_end(ap);
102cursor += (pi.str - cursor);
103}
104
105void setupBooterLog(void)
106{
107if (!msgbuf)
108return;
109
110Node *node = DT__FindNode("/", false);
111if (node)
112DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);
113}
114/* Kabyl: !BooterLog */
115
116
117/*
118 * write one character to console
119 */
120void putchar(int c)
121{
122if ( c == '\t' )
123{
124for (c = 0; c < 8; c++) putc(' ');
125return;
126}
127
128if ( c == '\n' )
129 {
130putc('\r');
131 }
132
133putc(c);
134}
135
136int getc()
137{
138 int c = bgetc();
139
140 if ((c & 0xff) == 0)
141 return c;
142 else
143 return (c & 0xff);
144}
145
146// Read and echo a character from console. This doesn't echo backspace
147// since that screws up higher level handling
148
149int getchar()
150{
151register int c = getc();
152
153if ( c == '\r' ) c = '\n';
154
155if ( c >= ' ' && c < 0x7f) putchar(c);
156
157return (c);
158}
159
160int printf(const char * fmt, ...)
161{
162 va_list ap;
163va_start(ap, fmt);
164if (bootArgs->Video.v_display == VGA_TEXT_MODE)
165prf(fmt, ap, putchar, 0);
166else
167vprf(fmt, ap);
168
169{
170/* Kabyl: BooterLog */
171struct putc_info pi;
172
173if (!msgbuf)
174return 0;
175
176if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
177return 0;
178pi.str = cursor;
179pi.last_str = 0;
180prf(fmt, ap, sputc, &pi);
181*pi.str = '\0';
182cursor += (pi.str - cursor);
183}
184
185va_end(ap);
186 return 0;
187}
188
189int verbose(const char * fmt, ...)
190{
191 va_list ap;
192
193va_start(ap, fmt);
194 if (gVerboseMode)
195 {
196if (bootArgs->Video.v_display == VGA_TEXT_MODE)
197prf(fmt, ap, putchar, 0);
198else
199vprf(fmt, ap);
200 }
201
202{
203/* Kabyl: BooterLog */
204struct putc_info pi;
205
206if (!msgbuf)
207return 0;
208
209if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
210return 0;
211pi.str = cursor;
212pi.last_str = 0;
213prf(fmt, ap, sputc, &pi);
214*pi.str = '\0';
215cursor += (pi.str - 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!!!");
248halt();
249while (1);
250}
251
252/** Print a "Press a key to continue..." message and wait for a key press. Azi: testing & tweaking as i go along. */
253void pause()
254{
255 printf("\n\nPress a key to continue...\n");
256 getc();
257}
258

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