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Source at commit 1263 created 12 years 8 months ago.
By meklort, Update i386 makefiles
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␊
49bool gVerboseMode;␊
50bool gErrors;␊
51␊
52/*␊
53 * Azi: Doubled available log size; this seems to fix some hangs and instant reboots caused by␊
54 * booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,␊
55 * this depends on how much we "play" at the boot prompt and with what patches we're playing,␊
56 * depending on how much they print to the log.␊
57 *␉␊
58 * Kabyl: BooterLog␊
59 */␊
60#define BOOTER_LOG_SIZE␉(128 * 1024)␊
61#define SAFE_LOG_SIZE␉134␊
62␊
63char *msgbuf = 0;␊
64char *cursor = 0;␊
65␊
66struct putc_info //Azi: exists on gui.c & printf.c␊
67{␊
68 char * str;␊
69 char * last_str;␊
70};␊
71␊
72static int␊
73sputc(int c, struct putc_info * pi) //Azi: same as above␊
74{␊
75␉if (pi->last_str)␊
76␉if (pi->str == pi->last_str)␊
77␉{␊
78␉␉*(pi->str) = '\0';␊
79␉␉return 0;␊
80␉}␊
81␉*(pi->str)++ = c;␊
82 return c;␊
83}␊
84␊
85void initBooterLog(void)␊
86{␊
87␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
88␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
89␉cursor = msgbuf;␊
90}␊
91␊
92void msglog(const char * fmt, ...)␊
93{␊
94␉va_list ap;␊
95␉struct putc_info pi;␊
96␊
97␉if (!msgbuf)␊
98␉␉return;␊
99␊
100␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
101␉␉return;␊
102␊
103␉va_start(ap, fmt);␊
104␉pi.str = cursor;␊
105␉pi.last_str = 0;␊
106␉prf(fmt, ap, sputc, &pi);␊
107␉va_end(ap);␊
108␉cursor += strlen((char *)cursor);␊
109}␊
110␊
111void setupBooterLog(void)␊
112{␊
113␉if (!msgbuf)␊
114␉␉return;␊
115}␊
116/* Kabyl: !BooterLog */␊
117␊
118/*␊
119 * write one character to console␊
120 */␊
121int putchar(int c)␊
122{␊
123␉if ( c == '\t' )␊
124␉{␊
125␉␉for (c = 0; c < 8; c++) bios_putchar(' ');␊
126␉␉return c;␊
127␉}␊
128␊
129␉if ( c == '\n' )␊
130 {␊
131␉␉bios_putchar('\r');␊
132 }␊
133␊
134␉bios_putchar(c);␊
135 ␊
136 return c;␊
137}␊
138␊
139int getc()␊
140{␊
141 int c = bgetc();␊
142␊
143 if ((c & 0xff) == 0)␊
144 return c;␊
145 else␊
146 return (c & 0xff);␊
147}␊
148␊
149// Read and echo a character from console. This doesn't echo backspace␊
150// since that screws up higher level handling␊
151␊
152int getchar()␊
153{␊
154␉register int c = getc();␊
155␊
156//␉if ( c == '\r' ) c = '\n';␊
157␊
158//␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
159␉␊
160␉return (c);␊
161}␊
162␊
163int verbose(const char * fmt, ...)␊
164{␊
165 va_list ap;␊
166␊
167␉va_start(ap, fmt);␊
168 if (gVerboseMode)␊
169 {␊
170 prf(fmt, ap, putchar, 0);␊
171 }␊
172␊
173␉{␊
174␉␉// Kabyl: BooterLog␊
175␉␉struct putc_info pi;␊
176␊
177␉␉if (!msgbuf)␊
178␉␉␉return 0;␊
179␊
180␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
181␉␉␉return 0;␊
182␉␉pi.str = cursor;␊
183␉␉pi.last_str = 0;␊
184␉␉prf(fmt, ap, sputc, &pi);␊
185␉␉cursor += strlen((char *)cursor);␊
186␉}␊
187␊
188 va_end(ap);␊
189 return(0);␊
190}␊
191␊
192int error(const char * fmt, ...)␊
193{␊
194 va_list ap;␊
195 gErrors = true;␊
196 va_start(ap, fmt);␊
197 prf(fmt, ap, putchar, 0);␊
198␉va_end(ap);␊
199 return(0);␊
200}␊
201␊
202void stop(const char * fmt, ...)␊
203{␊
204␉va_list ap;␊
205␊
206␉printf("\n");␊
207␉va_start(ap, fmt);␊
208 prf(fmt, ap, putchar, 0);␊
209␉va_end(ap);␊
210␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
211␉halt();␊
212␉while (1);␊
213}␊
214␊
215/** Print a "Press a key to continue..." message and wait for a key press. */␊
216void pause() ␊
217{␊
218 printf("Press a key to continue...\n");␊
219␉getchar(); // replace getchar() by pause() ?? were useful...?␊
220}␊
221

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Revision: 1263