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Root/branches/rewrite/i386/libsaio/console.c

Source at commit 1146 created 12 years 11 months ago.
By azimutz, Sync with trunk (r1145). Add nVidia dev id's, 0DF4 for "GeForce GT 450M" (issue 99) and 1251 for "GeForce GTX 560M" (thanks to oSxFr33k for testing).
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 <vers.h>␊
49␊
50bool gVerboseMode;␊
51bool gErrors;␊
52␊
53/*␊
54 * Azi: Doubled available log size; this seems to fix some hangs and instant reboots caused by␊
55 * booting with -f (ignore caches). 96kb are enough to hold full log, booting with -f; even so,␊
56 * this depends on how much we "play" at the boot prompt and with what patches we're playing,␊
57 * depending on how much they print to the log.␊
58 *␉␊
59 * Kabyl: BooterLog␊
60 */␊
61#define BOOTER_LOG_SIZE␉(128 * 1024)␊
62#define SAFE_LOG_SIZE␉134␊
63␊
64char *msgbuf = 0;␊
65char *cursor = 0;␊
66␊
67struct putc_info //Azi: exists on gui.c & printf.c␊
68{␊
69 char * str;␊
70 char * last_str;␊
71};␊
72␊
73static int␊
74sputc(int c, struct putc_info * pi) //Azi: same as above␊
75{␊
76␉if (pi->last_str)␊
77␉if (pi->str == pi->last_str)␊
78␉{␊
79␉␉*(pi->str) = '\0';␊
80␉␉return 0;␊
81␉}␊
82␉*(pi->str)++ = c;␊
83 return c;␊
84}␊
85␊
86void initBooterLog(void)␊
87{␊
88␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
89␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
90␉cursor = msgbuf;␊
91␉msglog("%s\n", "Chameleon " I386BOOT_CHAMELEONVERSION " (svn-r" I386BOOT_CHAMELEONREVISION ")" " [" I386BOOT_BUILDDATE "]");␊
92}␊
93␊
94void msglog(const char * fmt, ...)␊
95{␊
96␉va_list ap;␊
97␉struct putc_info pi;␊
98␊
99␉if (!msgbuf)␊
100␉␉return;␊
101␊
102␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
103␉␉return;␊
104␊
105␉va_start(ap, fmt);␊
106␉pi.str = cursor;␊
107␉pi.last_str = 0;␊
108␉prf(fmt, ap, sputc, &pi);␊
109␉va_end(ap);␊
110␉cursor += strlen((char *)cursor);␊
111}␊
112␊
113void setupBooterLog(void)␊
114{␊
115␉if (!msgbuf)␊
116␉␉return;␊
117}␊
118/* Kabyl: !BooterLog */␊
119␊
120/*␊
121 * write one character to console␊
122 */␊
123int putchar(int c)␊
124{␊
125␉if ( c == '\t' )␊
126␉{␊
127␉␉for (c = 0; c < 8; c++) bios_putchar(' ');␊
128␉␉return c;␊
129␉}␊
130␊
131␉if ( c == '\n' )␊
132 {␊
133␉␉bios_putchar('\r');␊
134 }␊
135␊
136␉bios_putchar(c);␊
137 ␊
138 return 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␊
170 prf(fmt, ap, putchar, 0);␊
171␉␊
172␉{␊
173␉␉// Kabyl: BooterLog␊
174␉␉struct putc_info pi;␊
175␊
176␉␉if (!msgbuf)␊
177␉␉␉return 0;␊
178␊
179␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
180␉␉␉return 0;␊
181␉␉pi.str = cursor;␊
182␉␉pi.last_str = 0;␊
183␉␉prf(fmt, ap, sputc, &pi);␊
184␉␉cursor += strlen((char *)cursor);␊
185␉}␊
186␊
187␉va_end(ap);␊
188 return 0;␊
189}␊
190␊
191int verbose(const char * fmt, ...)␊
192{␊
193 va_list ap;␊
194␊
195␉va_start(ap, fmt);␊
196 if (gVerboseMode)␊
197 {␊
198 prf(fmt, ap, putchar, 0);␊
199 }␊
200␊
201␉{␊
202␉␉// Kabyl: BooterLog␊
203␉␉struct putc_info pi;␊
204␊
205␉␉if (!msgbuf)␊
206␉␉␉return 0;␊
207␊
208␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
209␉␉␉return 0;␊
210␉␉pi.str = cursor;␊
211␉␉pi.last_str = 0;␊
212␉␉prf(fmt, ap, sputc, &pi);␊
213␉␉cursor += strlen((char *)cursor);␊
214␉}␊
215␊
216 va_end(ap);␊
217 return(0);␊
218}␊
219␊
220int error(const char * fmt, ...)␊
221{␊
222 va_list ap;␊
223 gErrors = true;␊
224 va_start(ap, fmt);␊
225 prf(fmt, ap, putchar, 0);␊
226␉va_end(ap);␊
227 return(0);␊
228}␊
229␊
230void stop(const char * fmt, ...)␊
231{␊
232␉va_list ap;␊
233␊
234␉printf("\n");␊
235␉va_start(ap, fmt);␊
236 prf(fmt, ap, putchar, 0);␊
237␉va_end(ap);␊
238␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
239␉halt();␊
240␉while (1);␊
241}␊
242␊
243/** Print a "Press a key to continue..." message and wait for a key press. */␊
244void pause() ␊
245{␊
246 printf("Press a key to continue...\n");␊
247␉getchar(); // replace getchar() by pause() ?? were useful...?␊
248}␊
249

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Revision: 1146