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

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