Chameleon

Chameleon Svn Source Tree

Root/branches/ErmaC/Trunk/i386/libsaio/console.c

1/*␊
2 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * ␊
5 * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊
6 * Reserved. This file contains Original Code and/or Modifications of␊
7 * Original Code as defined in and that are subject to the Apple Public␊
8 * Source License Version 2.0 (the "License"). You may not use this file␊
9 * except in compliance with the License. Please obtain a copy of the␊
10 * License at http://www.apple.com/publicsource and read it before using␊
11 * this file.␊
12 * ␊
13 * The Original Code and all software distributed under the License are␊
14 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
17 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊
18 * License for the specific language governing rights and limitations␊
19 * under the License.␊
20 * ␊
21 * ␊
22 * Mach Operating System␊
23 * Copyright (c) 1990 Carnegie-Mellon University␊
24 * Copyright (c) 1989 Carnegie-Mellon University␊
25 * All rights reserved. The CMU software License Agreement specifies␊
26 * the terms and conditions for use and redistribution.␊
27 *␊
28 * ␉␉␉INTEL CORPORATION PROPRIETARY INFORMATION␊
29 *␊
30 *␉This software is supplied under the terms of a license agreement or ␊
31 *␉nondisclosure agreement with Intel Corporation and may not be copied ␊
32 *␉nor disclosed except in accordance with the terms of that agreement.␊
33 *␊
34 *␉Copyright 1988, 1989 Intel Corporation␊
35 *␊
36 *␊
37 * Copyright 1993 NeXT, Inc.␊
38 * All rights reserved.␊
39 */␊
40␊
41#include "libsaio.h"␊
42#include "bootstruct.h"␊
43#include <vers.h>␊
44␊
45extern int␉vprf(const char * fmt, va_list ap);␊
46␊
47bool gVerboseMode;␊
48bool gErrors;␊
49␊
50/*␊
51 * Azi: Doubled available log size; this seems to fix some hangs and instant reboots caused by␊
52 * booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,␊
53 * this depends on how much we "play" at the boot prompt and with what patches we're playing,␊
54 * depending on how much they print to the log.␊
55 *␉␊
56 * Kabyl: BooterLog␊
57 */␊
58#define BOOTER_LOG_SIZE␉(128 * 1024)␊
59#define SAFE_LOG_SIZE␉134␊
60␊
61char *msgbuf = 0;␊
62char *cursor = 0;␊
63␊
64struct putc_info //Azi: exists on gui.c & printf.c␊
65{␊
66␉char * str;␊
67␉char * last_str;␊
68};␊
69␊
70static int␊
71sputc(int c, struct putc_info * pi) //Azi: same as above␊
72{␊
73␉if (pi->last_str)␊
74␉if (pi->str == pi->last_str)␊
75␉{␊
76␉␉*(pi->str) = '\0';␊
77␉␉return 0;␊
78␉}␊
79␉*(pi->str)++ = c;␊
80␉return c;␊
81}␊
82␊
83void initBooterLog(void)␊
84{␊
85␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
86␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
87␉cursor = msgbuf;␊
88␉msglog("%s\n", "Enoch (r" I386BOOT_CHAMELEONREVISION ")" " [" I386BOOT_BUILDDATE "]");␊
89}␊
90␊
91void msglog(const char * fmt, ...)␊
92{␊
93␉va_list ap;␊
94␉struct putc_info pi;␊
95␊
96␉if (!msgbuf)␊
97␉{␊
98␉␉return;␊
99␉}␊
100␊
101␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
102␉{␊
103␉␉return;␊
104␉}␊
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␉{␊
118␉␉return;␊
119␉}␊
120␊
121␉Node *node = DT__FindNode("/", false);␊
122␉if (node)␊
123␉␉DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);␊
124}␊
125/* Kabyl: !BooterLog */␊
126␊
127/*␊
128 * write one character to console␊
129 */␊
130int putchar(int c)␊
131{␊
132␉if ( c == '\t' )␊
133␉{␊
134␉␉for (c = 0; c < 8; c++) bios_putchar(' ');␊
135␉␉return c;␊
136␉}␊
137␊
138␉if ( c == '\n' )␊
139␉{␊
140␉␉bios_putchar('\r');␊
141␉}␊
142␊
143␉bios_putchar(c);␊
144 ␊
145␉return c;␊
146}␊
147␊
148int getc()␊
149{␊
150␉int c = bgetc();␊
151␊
152␉if ((c & 0xff) == 0)␊
153␉{␊
154␉␉return c;␊
155␉}␊
156␉else␊
157␉{␊
158␉␉return (c & 0xff);␊
159␉}␊
160}␊
161␊
162// Read and echo a character from console. This doesn't echo backspace␊
163// since that screws up higher level handling␊
164␊
165int getchar()␊
166{␊
167␉register int c = getc();␊
168␊
169//␉if ( c == '\r' ) c = '\n';␊
170␊
171//␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
172␉␊
173␉return (c);␊
174}␊
175␊
176int printf(const char * fmt, ...)␊
177{␊
178␉va_list ap;␊
179␉va_start(ap, fmt);␊
180␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
181␉{␊
182␉␉prf(fmt, ap, putchar, 0);␊
183␉}␊
184␉else␊
185␉{␊
186␉␉vprf(fmt, ap);␊
187␉}␊
188␊
189␉{␊
190␉␉/* Kabyl: BooterLog */␊
191␉␉struct putc_info pi;␊
192␊
193␉␉if (!msgbuf)␊
194␉␉␉return 0;␊
195␊
196␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
197␉␉␉return 0;␊
198␉␉pi.str = cursor;␊
199␉␉pi.last_str = 0;␊
200␉␉prf(fmt, ap, sputc, &pi);␊
201␉␉cursor += strlen((char *)cursor);␊
202␉}␊
203␊
204␉va_end(ap);␊
205␉return 0;␊
206}␊
207␊
208int verbose(const char * fmt, ...)␊
209{␊
210 va_list ap;␊
211␊
212␉va_start(ap, fmt);␊
213␉if (gVerboseMode)␊
214␉{␊
215␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
216␉␉␉prf(fmt, ap, putchar, 0);␊
217␉␉else␊
218␉␉␉vprf(fmt, ap);␊
219␉}␊
220␊
221␉{␊
222␉␉/* Kabyl: BooterLog */␊
223␉␉struct putc_info pi;␊
224␊
225␉␉if (!msgbuf)␊
226␉␉{␊
227␉␉␉return 0;␊
228␉␉}␊
229␊
230␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
231␉␉{␊
232␉␉␉return 0;␊
233␉␉}␊
234␉␉pi.str = cursor;␊
235␉␉pi.last_str = 0;␊
236␉␉prf(fmt, ap, sputc, &pi);␊
237␉␉cursor += strlen((char *)cursor);␊
238␉}␊
239␊
240␉va_end(ap);␊
241␉return(0);␊
242}␊
243␊
244int error(const char * fmt, ...)␊
245{␊
246␉va_list ap;␊
247␉gErrors = true;␊
248␉va_start(ap, fmt);␊
249␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
250␉{␊
251␉␉prf(fmt, ap, putchar, 0);␊
252␉}␊
253␉else␊
254␉{␊
255␉␉vprf(fmt, ap);␊
256␉}␊
257␉va_end(ap);␊
258␉return(0);␊
259}␊
260␊
261void stop(const char * fmt, ...)␊
262{␊
263␉va_list ap;␊
264␊
265␉printf("\n");␊
266␉va_start(ap, fmt);␊
267␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
268␉{␊
269␉␉prf(fmt, ap, putchar, 0);␊
270␉}␊
271␉else␊
272␉{␊
273␉␉vprf(fmt, ap);␊
274␉}␊
275␉va_end(ap);␊
276␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
277␉halt();␊
278␉while (1);␊
279}␊
280␊
281/** Print a "Press a key to continue..." message and wait for a key press. */␊
282void pause() ␊
283{␊
284 printf("Press a key to continue...\n");␊
285␉getchar(); // replace getchar() by pause() were useful.␊
286}␊
287

Archive Download this file

Revision: 2045