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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#include <vers.h>␊
50␊
51extern int␉vprf(const char * fmt, va_list ap);␊
52␊
53bool gVerboseMode;␊
54bool gErrors;␊
55␊
56/*␊
57 * Azi: Doubled available log size; this seems to fix some hangs and instant reboots caused by␊
58 * booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,␊
59 * this depends on how much we "play" at the boot prompt and with what patches we're playing,␊
60 * depending on how much they print to the log.␊
61 *␉␊
62 * Kabyl: BooterLog␊
63 */␊
64#define BOOTER_LOG_SIZE␉(128 * 1024)␊
65#define SAFE_LOG_SIZE␉134␊
66␊
67char *msgbuf = 0;␊
68char *cursor = 0;␊
69␊
70struct putc_info //Azi: exists on gui.c & printf.c␊
71{␊
72␉char * str;␊
73␉char * last_str;␊
74};␊
75␊
76static int␊
77sputc(int c, struct putc_info * pi) //Azi: same as above␊
78{␊
79␉if (pi->last_str)␊
80␉if (pi->str == pi->last_str)␊
81␉{␊
82␉␉*(pi->str) = '\0';␊
83␉␉return 0;␊
84␉}␊
85␉*(pi->str)++ = c;␊
86␉return c;␊
87}␊
88␊
89void initBooterLog(void)␊
90{␊
91␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
92␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
93␉cursor = msgbuf;␊
94␉msglog("%s\n", "Enoch (r" I386BOOT_CHAMELEONREVISION ")" " [" I386BOOT_BUILDDATE "]");␊
95}␊
96␊
97void msglog(const char * fmt, ...)␊
98{␊
99␉va_list ap;␊
100␉struct putc_info pi;␊
101␊
102␉if (!msgbuf)␊
103␉{␊
104␉␉return;␊
105␉}␊
106␊
107␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
108␉{␊
109␉␉return;␊
110␉}␊
111␊
112␉va_start(ap, fmt);␊
113␉pi.str = cursor;␊
114␉pi.last_str = 0;␊
115␉prf(fmt, ap, sputc, &pi);␊
116␉va_end(ap);␊
117␉cursor += strlen((char *)cursor);␊
118}␊
119␊
120void setupBooterLog(void)␊
121{␊
122␉if (!msgbuf)␊
123␉{␊
124␉␉return;␊
125␉}␊
126␊
127␉Node *node = DT__FindNode("/", false);␊
128␉if (node)␊
129␉␉DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);␊
130}␊
131/* Kabyl: !BooterLog */␊
132␊
133/*␊
134 * write one character to console␊
135 */␊
136int putchar(int c)␊
137{␊
138␉if ( c == '\t' )␊
139␉{␊
140␉␉for (c = 0; c < 8; c++) bios_putchar(' ');␊
141␉␉return c;␊
142␉}␊
143␊
144␉if ( c == '\n' )␊
145␉{␊
146␉␉bios_putchar('\r');␊
147␉}␊
148␊
149␉bios_putchar(c);␊
150 ␊
151␉return c;␊
152}␊
153␊
154int getc()␊
155{␊
156␉int c = bgetc();␊
157␊
158␉if ((c & 0xff) == 0)␊
159␉{␊
160␉␉return c;␊
161␉}␊
162␉else␊
163␉{␊
164␉␉return (c & 0xff);␊
165␉}␊
166}␊
167␊
168// Read and echo a character from console. This doesn't echo backspace␊
169// since that screws up higher level handling␊
170␊
171int getchar()␊
172{␊
173␉register int c = getc();␊
174␊
175//␉if ( c == '\r' ) c = '\n';␊
176␊
177//␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
178␉␊
179␉return (c);␊
180}␊
181␊
182int printf(const char * fmt, ...)␊
183{␊
184␉va_list ap;␊
185␉va_start(ap, fmt);␊
186␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
187␉{␊
188␉␉prf(fmt, ap, putchar, 0);␊
189␉}␊
190␉else␊
191␉{␊
192␉␉vprf(fmt, ap);␊
193␉}␊
194␊
195␉{␊
196␉␉/* Kabyl: BooterLog */␊
197␉␉struct putc_info pi;␊
198␊
199␉␉if (!msgbuf)␊
200␉␉␉return 0;␊
201␊
202␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
203␉␉␉return 0;␊
204␉␉pi.str = cursor;␊
205␉␉pi.last_str = 0;␊
206␉␉prf(fmt, ap, sputc, &pi);␊
207␉␉cursor += strlen((char *)cursor);␊
208␉}␊
209␊
210␉va_end(ap);␊
211␉return 0;␊
212}␊
213␊
214int verbose(const char * fmt, ...)␊
215{␊
216 va_list ap;␊
217␊
218␉va_start(ap, fmt);␊
219␉if (gVerboseMode)␊
220␉{␊
221␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
222␉␉␉prf(fmt, ap, putchar, 0);␊
223␉␉else␊
224␉␉␉vprf(fmt, ap);␊
225␉}␊
226␊
227␉{␊
228␉␉/* Kabyl: BooterLog */␊
229␉␉struct putc_info pi;␊
230␊
231␉␉if (!msgbuf)␊
232␉␉{␊
233␉␉␉return 0;␊
234␉␉}␊
235␊
236␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
237␉␉{␊
238␉␉␉return 0;␊
239␉␉}␊
240␉␉pi.str = cursor;␊
241␉␉pi.last_str = 0;␊
242␉␉prf(fmt, ap, sputc, &pi);␊
243␉␉cursor += strlen((char *)cursor);␊
244␉}␊
245␊
246␉va_end(ap);␊
247␉return(0);␊
248}␊
249␊
250int error(const char * fmt, ...)␊
251{␊
252␉va_list ap;␊
253␉gErrors = true;␊
254␉va_start(ap, fmt);␊
255␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
256␉{␊
257␉␉prf(fmt, ap, putchar, 0);␊
258␉}␊
259␉else␊
260␉{␊
261␉␉vprf(fmt, ap);␊
262␉}␊
263␉va_end(ap);␊
264␉return(0);␊
265}␊
266␊
267void stop(const char * fmt, ...)␊
268{␊
269␉va_list ap;␊
270␊
271␉printf("\n");␊
272␉va_start(ap, fmt);␊
273␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
274␉{␊
275␉␉prf(fmt, ap, putchar, 0);␊
276␉}␊
277␉else␊
278␉{␊
279␉␉vprf(fmt, ap);␊
280␉}␊
281␉va_end(ap);␊
282␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
283␉halt();␊
284␉while (1);␊
285}␊
286␊
287/** Print a "Press a key to continue..." message and wait for a key press. */␊
288void pause() ␊
289{␊
290 printf("Press a key to continue...\n");␊
291␉getchar(); // replace getchar() by pause() were useful.␊
292}␊
293

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