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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 int␉vprf(const char * fmt, va_list ap);␊
51␊
52bool gVerboseMode;␊
53bool gErrors;␊
54␊
55/** Kabyl: BooterLog␊
56␊
57Azi: Doubled available log size; this seems to fix some hangs and instant reboots caused by␊
58booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,␊
59this depends on how much we "play" at the boot prompt and with what patches we're playing,␊
60depending on how much they print to the log.␊
61**/ //Azi: closing **/ alows colapse/expand... is this desirable?? colapsing an entire page␊
62␉ // will also colapse comments....␊
63#define BOOTER_LOG_SIZE␉(128 * 1024)␊
64#define SAFE_LOG_SIZE␉134␊
65␊
66char *msgbuf = 0;␊
67char *cursor = 0;␊
68␊
69struct putc_info //Azi: same as below␊
70{␊
71 char * str;␊
72 char * last_str;␊
73};␊
74␊
75static int␊
76sputc(int c, struct putc_info * pi) //Azi: exists on printf.c & gui.c␊
77{␊
78␉if (pi->last_str)␊
79␉if (pi->str == pi->last_str)␊
80␉{␊
81␉␉*(pi->str) = '\0';␊
82␉␉return 0;␊
83␉}␊
84␉*(pi->str)++ = c;␊
85 return c;␊
86}␊
87␊
88void initBooterLog(void)␊
89{␊
90␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
91␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
92␉cursor = msgbuf;␊
93}␊
94␊
95void msglog(const char * fmt, ...)␊
96{␊
97␉va_list ap;␊
98␉struct putc_info pi;␊
99␊
100␉if (!msgbuf)␊
101␉␉return;␊
102␊
103␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
104␉␉return;␊
105␊
106␉va_start(ap, fmt);␊
107␉pi.str = cursor;␊
108␉pi.last_str = 0;␊
109␉prf(fmt, ap, sputc, &pi);␊
110␉va_end(ap);␊
111␉cursor += strlen((char *)cursor);␊
112}␊
113␊
114void setupBooterLog(void)␊
115{␊
116␉if (!msgbuf)␊
117␉␉return;␊
118␊
119␉Node *node = DT__FindNode("/", false);␊
120␉if (node)␊
121␉␉DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);␊
122}␊
123/* Kabyl: !BooterLog */␊
124␊
125/*␊
126 * write one character to console␊
127 */␊
128int putchar(int c)␊
129{␊
130␉if ( c == '\t' )␊
131␉{␊
132␉␉for (c = 0; c < 8; c++) bios_putchar(' ');␊
133␉␉return c;␊
134␉}␊
135␊
136␉if ( c == '\n' )␊
137 {␊
138␉␉bios_putchar('\r');␊
139 }␊
140␊
141␉bios_putchar(c);␊
142 ␊
143 return c;␊
144}␊
145␊
146int getc()␊
147{␊
148 int c = bgetc();␊
149␊
150 if ((c & 0xff) == 0)␊
151 return c;␊
152 else␊
153 return (c & 0xff);␊
154}␊
155␊
156// Read and echo a character from console. This doesn't echo backspace␊
157// since that screws up higher level handling␊
158␊
159int getchar()␊
160{␊
161␉register int c = getc();␊
162␊
163␉if ( c == '\r' ) c = '\n';␊
164␊
165␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
166␉␊
167␉return (c);␊
168}␊
169␊
170int printf(const char * fmt, ...)␊
171{␊
172 va_list ap;␊
173␉va_start(ap, fmt);␊
174␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
175␉␉prf(fmt, ap, putchar, 0);␊
176␉else␊
177␉␉vprf(fmt, ap);␊
178␊
179␉{␊
180␉␉// Kabyl: BooterLog␊
181␉␉struct putc_info pi;␊
182␊
183␉␉if (!msgbuf)␊
184␉␉␉return 0;␊
185␊
186␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
187␉␉␉return 0;␊
188␉␉pi.str = cursor;␊
189␉␉pi.last_str = 0;␊
190␉␉prf(fmt, ap, sputc, &pi);␊
191␉␉cursor += strlen((char *)cursor);␊
192␉}␊
193␊
194␉va_end(ap);␊
195 return 0;␊
196}␊
197␊
198int verbose(const char * fmt, ...)␊
199{␊
200 va_list ap;␊
201␊
202␉va_start(ap, fmt);␊
203 if (gVerboseMode)␊
204 {␊
205␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
206␉␉␉prf(fmt, ap, putchar, 0);␊
207␉␉else␊
208␉␉␉vprf(fmt, ap);␊
209 }␊
210␊
211␉{␊
212␉␉// Kabyl: BooterLog␊
213␉␉struct putc_info pi;␊
214␊
215␉␉if (!msgbuf)␊
216␉␉␉return 0;␊
217␊
218␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
219␉␉␉return 0;␊
220␉␉pi.str = cursor;␊
221␉␉pi.last_str = 0;␊
222␉␉prf(fmt, ap, sputc, &pi);␊
223␉␉cursor += strlen((char *)cursor);␊
224␉}␊
225␊
226 va_end(ap);␊
227 return(0);␊
228}␊
229␊
230int error(const char * fmt, ...)␊
231{␊
232 va_list ap;␊
233 gErrors = true;␊
234 va_start(ap, fmt);␊
235␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
236␉␉prf(fmt, ap, putchar, 0);␊
237 else␊
238␉␉vprf(fmt, ap);␊
239␉va_end(ap);␊
240 return(0);␊
241}␊
242␊
243void stop(const char * fmt, ...)␊
244{␊
245␉va_list ap;␊
246␊
247␉printf("\n");␊
248␉va_start(ap, fmt);␊
249␉if (bootArgs->Video.v_display == VGA_TEXT_MODE) {␊
250␉␉prf(fmt, ap, putchar, 0);␊
251␉} else {␊
252␉␉vprf(fmt, ap);␊
253␉}␊
254␉va_end(ap);␊
255␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
256␉halt();␊
257␉while (1);␊
258}␊
259␊
260/** Print a "Press a key to continue..." message and wait for a key press. */␊
261void pause() ␊
262{␊
263 printf("Press a key to continue...\n");␊
264 getc();␊
265}␊
266

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