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

Source at commit 302 created 12 years 10 months ago.
By ifabio, Last mqin trunk change. update the buildpkg: now the fdisk440 will be included into the pkg from the sym/i386 folder. Add a dmg folder into pakage 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#include <vers.h>␊
50␊
51extern int␉vprf(const char * fmt, va_list ap);␊
52␊
53bool gVerboseMode;␊
54bool gErrors;␊
55␊
56/** Kabyl: BooterLog␊
57␊
58Azi: Doubled available log size; this seems to fix some hangs and instant reboots caused by␊
59booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,␊
60this depends on how much we "play" at the boot prompt and with what patches we're playing,␊
61depending on how much they print to the log.␊
62**/ //Azi: closing **/ alows colapse/expand... is this desirable?? colapsing an entire page␊
63␉ // will also colapse comments....␊
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: same as below␊
71{␊
72 char * str;␊
73 char * last_str;␊
74};␊
75␊
76static int␊
77sputc(int c, struct putc_info * pi) //Azi: exists on printf.c & gui.c␊
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", "Chameleon " I386BOOT_CHAMELEONVERSION " (svn-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␉␉return;␊
104␊
105␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
106␉␉return;␊
107␊
108␉va_start(ap, fmt);␊
109␉pi.str = cursor;␊
110␉pi.last_str = 0;␊
111␉prf(fmt, ap, sputc, &pi);␊
112␉va_end(ap);␊
113␉cursor += strlen((char *)cursor);␊
114}␊
115␊
116void setupBooterLog(void)␊
117{␊
118␉if (!msgbuf)␊
119␉␉return;␊
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 return c;␊
154 else␊
155 return (c & 0xff);␊
156}␊
157␊
158// Read and echo a character from console. This doesn't echo backspace␊
159// since that screws up higher level handling␊
160␊
161int getchar()␊
162{␊
163␉register int c = getc();␊
164␊
165␉if ( c == '\r' ) c = '\n';␊
166␊
167␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
168␉␊
169␉return (c);␊
170}␊
171␊
172int printf(const char * fmt, ...)␊
173{␊
174 va_list ap;␊
175␉va_start(ap, fmt);␊
176␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
177␉␉prf(fmt, ap, putchar, 0);␊
178␉else␊
179␉␉vprf(fmt, ap);␊
180␊
181␉{␊
182␉␉// Kabyl: BooterLog␊
183␉␉struct putc_info pi;␊
184␊
185␉␉if (!msgbuf)␊
186␉␉␉return 0;␊
187␊
188␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
189␉␉␉return 0;␊
190␉␉pi.str = cursor;␊
191␉␉pi.last_str = 0;␊
192␉␉prf(fmt, ap, sputc, &pi);␊
193␉␉cursor += strlen((char *)cursor);␊
194␉}␊
195␊
196␉va_end(ap);␊
197 return 0;␊
198}␊
199␊
200int verbose(const char * fmt, ...)␊
201{␊
202 va_list ap;␊
203␊
204␉va_start(ap, fmt);␊
205 if (gVerboseMode)␊
206 {␊
207␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
208␉␉␉prf(fmt, ap, putchar, 0);␊
209␉␉else␊
210␉␉␉vprf(fmt, ap);␊
211 }␊
212␊
213␉{␊
214␉␉// Kabyl: BooterLog␊
215␉␉struct putc_info pi;␊
216␊
217␉␉if (!msgbuf)␊
218␉␉␉return 0;␊
219␊
220␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
221␉␉␉return 0;␊
222␉␉pi.str = cursor;␊
223␉␉pi.last_str = 0;␊
224␉␉prf(fmt, ap, sputc, &pi);␊
225␉␉cursor += strlen((char *)cursor);␊
226␉}␊
227␊
228 va_end(ap);␊
229 return(0);␊
230}␊
231␊
232int error(const char * fmt, ...)␊
233{␊
234 va_list ap;␊
235 gErrors = true;␊
236 va_start(ap, fmt);␊
237␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
238␉␉prf(fmt, ap, putchar, 0);␊
239 else␊
240␉␉vprf(fmt, ap);␊
241␉va_end(ap);␊
242 return(0);␊
243}␊
244␊
245void stop(const char * fmt, ...)␊
246{␊
247␉va_list ap;␊
248␊
249␉printf("\n");␊
250␉va_start(ap, fmt);␊
251␉if (bootArgs->Video.v_display == VGA_TEXT_MODE) {␊
252␉␉prf(fmt, ap, putchar, 0);␊
253␉} else {␊
254␉␉vprf(fmt, ap);␊
255␉}␊
256␉va_end(ap);␊
257␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
258␉halt();␊
259␉while (1);␊
260}␊
261␊
262/** Print a "Press a key to continue..." message and wait for a key press. */␊
263void pause() ␊
264{␊
265 printf("Press a key to continue...\n");␊
266 getc();␊
267}␊
268

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