Chameleon Applications

Chameleon Applications Svn Source Tree

Root/branches/iFabio/Chameleon/i386/libsaio/console.c

Source at commit 296 created 12 years 10 months ago.
By ifabio, add i386 folder
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//Azi: Doubled log available size.␊
57// 64kb are not enough to hold the full log while booting with -f argument (ignore caches).␊
58// It also seems to fix some reported problems while booting with the mentioned argument.␊
59// Note: 96kb are enough to hold full log, booting with -f; even so, this depends on how much␊
60// we "play" at the boot prompt, with what patches we're playing and how much they print to the log,␊
61// kexts loaded, etc...␊
62// Please remove this comment when this gets checked by a "true" dev.␊
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 void sputc(int c, struct putc_info * pi)␊
75{␊
76 if (pi->last_str)␊
77␉if (pi->str == pi->last_str)␊
78␉{␊
79␉␉*(pi->str) = '\0';␊
80␉␉return;␊
81␉}␊
82 *(pi->str)++ = 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␉Node *node = DT__FindNode("/", false);␊
117␉if (node)␊
118␉␉DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);␊
119}␊
120/* Kabyl: !BooterLog */␊
121␊
122/*␊
123 * write one character to console␊
124 */␊
125void putchar(int c)␊
126{␊
127␉if ( c == '\t' )␊
128␉{␊
129␉␉for (c = 0; c < 8; c++) putc(' ');␊
130␉␉return;␊
131␉}␊
132␊
133␉if ( c == '\n' )␊
134 {␊
135␉␉putc('\r');␊
136 }␊
137␊
138␉putc(c);␊
139}␊
140␊
141int getc()␊
142{␊
143 int c = bgetc();␊
144␊
145 if ((c & 0xff) == 0)␊
146 return c;␊
147 else␊
148 return (c & 0xff);␊
149}␊
150␊
151// Read and echo a character from console. This doesn't echo backspace␊
152// since that screws up higher level handling␊
153␊
154int getchar()␊
155{␊
156␉register int c = getc();␊
157␊
158␉if ( c == '\r' ) c = '\n';␊
159␊
160␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
161␉␊
162␉return (c);␊
163}␊
164␊
165int printf(const char * fmt, ...)␊
166{␊
167 va_list ap;␊
168␉va_start(ap, fmt);␊
169␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
170␉␉prf(fmt, ap, putchar, 0);␊
171␉else␊
172␉␉vprf(fmt, ap);␊
173␊
174␉{␊
175␉/* Kabyl: BooterLog */␊
176␉␉struct putc_info pi;␊
177␊
178␉␉if (!msgbuf)␊
179␉␉␉return 0;␊
180␊
181␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
182␉␉␉return 0;␊
183␉␉pi.str = cursor;␊
184␉␉pi.last_str = 0;␊
185␉␉prf(fmt, ap, sputc, &pi);␊
186␉␉cursor += strlen((char *)cursor);␊
187␉}␊
188␊
189␉va_end(ap);␊
190 return 0;␊
191}␊
192␊
193int verbose(const char * fmt, ...)␊
194{␊
195 va_list ap;␊
196␊
197␉va_start(ap, fmt);␊
198 if (gVerboseMode)␊
199 {␊
200␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
201␉␉␉prf(fmt, ap, putchar, 0);␊
202␉␉else␊
203␉␉␉vprf(fmt, ap);␊
204 }␊
205␊
206␉{␊
207␉/* Kabyl: BooterLog */␊
208␉␉struct putc_info pi;␊
209␊
210␉␉if (!msgbuf)␊
211␉␉␉return 0;␊
212␊
213␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
214␉␉␉return 0;␊
215␉␉pi.str = cursor;␊
216␉␉pi.last_str = 0;␊
217␉␉prf(fmt, ap, sputc, &pi);␊
218␉␉cursor += strlen((char *)cursor);␊
219␉}␊
220␊
221 va_end(ap);␊
222 return(0);␊
223}␊
224␊
225int error(const char * fmt, ...)␊
226{␊
227 va_list ap;␊
228 gErrors = true;␊
229 va_start(ap, fmt);␊
230␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
231␉␉prf(fmt, ap, putchar, 0);␊
232 else␊
233␉␉vprf(fmt, ap);␊
234␉va_end(ap);␊
235 return(0);␊
236}␊
237␊
238void stop(const char * fmt, ...)␊
239{␊
240␉va_list ap;␊
241␊
242␉printf("\n");␊
243␉va_start(ap, fmt);␊
244␉if (bootArgs->Video.v_display == VGA_TEXT_MODE) {␊
245␉␉prf(fmt, ap, putchar, 0);␊
246␉} else {␊
247␉␉vprf(fmt, ap);␊
248␉}␊
249␉va_end(ap);␊
250␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
251␉halt();␊
252␉while (1);␊
253}␊
254␊
255/** Print a "Press a key to continue..." message and wait for a key press. */␊
256void pause() ␊
257{␊
258 printf("Press a key to continue...\n");␊
259 getc();␊
260}␊
261

Archive Download this file

Revision: 296