Chameleon

Chameleon Svn Source Tree

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

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 intvprf(const char * fmt, va_list ap);
52
53bool gVerboseMode = false;
54bool gErrors = false;
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_SIZE134
66
67char *msgbuf = 0;
68char *cursor = 0;
69
70// Bungo:
71typedef struct {
72uint16_t year;
73uint8_t mon;
74uint8_t day;
75uint8_t hour;
76uint8_t mins;
77uint8_t secs;
78uint8_t dlight;
79} datetime_t;
80static datetime_t datetime;
81
82struct putc_info //Azi: exists on gui.c & printf.c
83{
84char * str;
85char * last_str;
86};
87
88static int
89sputc(int c, struct putc_info * pi) //Azi: same as above
90{
91if (pi->last_str)
92if (pi->str == pi->last_str)
93{
94*(pi->str) = '\0';
95return 0;
96}
97*(pi->str)++ = c;
98return c;
99}
100
101uint64_t getRTCdatetime() // 0xYYYYMMDDHHMMSS0L in decimal
102{
103biosBuf_t bb;
104
105bb.intno = 0x1a;
106bb.eax.r.h = 0x04; // get RTC date
107//bb.flags.cf = 0;
108bios(&bb);
109if (bb.flags.cf) return 0;
110datetime.year = (bb.ecx.r.h >> 4) * 1000 + (bb.ecx.r.h & 0x0F) * 100 + (bb.ecx.r.l >> 4) * 10 + (bb.ecx.r.l & 0x0F) * 1;
111datetime.mon = (bb.edx.r.h >> 4) * 10 + (bb.edx.r.h & 0x0F) * 1;
112datetime.day = (bb.edx.r.l >> 4) * 10 + (bb.edx.r.l & 0x0F) * 1;
113
114bb.intno = 0x1a;
115bb.eax.r.h = 0x02; // get RTC time
116//bb.flags.cf = 0;
117bios(&bb);
118if (bb.flags.cf) return 0;
119datetime.dlight = bb.edx.r.l & 0x0F;
120datetime.hour = (bb.ecx.r.h >> 4) * 10 + (bb.ecx.r.h & 0x0F) * 1;
121datetime.mins = (bb.ecx.r.l >> 4) * 10 + (bb.ecx.r.l & 0x0F) * 1;
122datetime.secs = (bb.edx.r.h >> 4) * 10 + (bb.edx.r.h & 0x0F) * 1;
123return *(uint64_t *)&datetime;
124}
125
126void initBooterLog(void)
127{
128msgbuf = malloc(BOOTER_LOG_SIZE);
129bzero(msgbuf, BOOTER_LOG_SIZE);
130cursor = msgbuf;
131verbose("%s\n", "Chameleon v" I386BOOT_CHAMELEONVERSION " (Bungo branch) r" I386BOOT_CHAMELEONREVISION " [" I386BOOT_BUILDDATE "]");
132getRTCdatetime();
133verbose("Logging started: %04d/%02d/%02d, %02d:%02d:%02d (+/- offset)\n", datetime.year, datetime.mon, datetime.day, datetime.hour, datetime.mins, datetime.secs);
134}
135
136int msglog(const char * fmt, ...)
137{
138va_list ap;
139struct putc_info pi;
140
141if (!msgbuf)
142{
143return 0;
144}
145
146if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
147{
148return 0;
149}
150
151va_start(ap, fmt);
152pi.str = cursor;
153pi.last_str = 0;
154prf(fmt, ap, sputc, &pi);
155va_end(ap);
156cursor += strlen((char *)cursor);
157
158return 0;
159}
160
161void setupBooterLog(void)
162{
163if (!msgbuf)
164{
165return;
166}
167
168Node *node = DT__FindNode("/", false);
169if (node)
170DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);
171}
172/* Kabyl: !BooterLog */
173
174/*
175 * write one character to console
176 */
177int putchar(int c)
178{
179if ( c == '\t' ) {
180for (c = 0; c < 8; c++) bios_putchar(' ');
181return c;
182}
183
184if ( c == '\n' ) {
185bios_putchar('\r');
186}
187
188bios_putchar(c);
189
190return c;
191}
192
193int getc()
194{
195int c = bgetc();
196
197if ((c & 0xff) == 0) {
198return c;
199} else {
200return (c & 0xff);
201}
202}
203
204// Read and echo a character from console. This doesn't echo backspace
205// since that screws up higher level handling
206
207int getchar()
208{
209register int c = getc();
210
211//if ( c == '\r' ) c = '\n';
212
213//if ( c >= ' ' && c < 0x7f) putchar(c);
214
215return (c);
216}
217
218int printf(const char * fmt, ...)
219{
220va_list ap;
221
222va_start(ap, fmt);
223if (bootArgs->Video.v_display == VGA_TEXT_MODE)
224{
225prf(fmt, ap, putchar, 0);
226}
227else
228{
229vprf(fmt, ap);
230}
231/*
232{
233// Kabyl: BooterLog
234struct putc_info pi;
235
236if (!msgbuf) {
237return 0;
238}
239
240if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {
241return 0;
242}
243pi.str = cursor;
244pi.last_str = 0;
245prf(fmt, ap, sputc, &pi);
246cursor += strlen((char *)cursor);
247}
248*/
249va_end(ap);
250return 0;
251}
252
253int verbose(const char * fmt, ...)
254{
255va_list ap;
256
257va_start(ap, fmt);
258if (gVerboseMode)
259{
260if (bootArgs->Video.v_display == VGA_TEXT_MODE)
261{
262prf(fmt, ap, putchar, 0);
263}
264else
265{
266vprf(fmt, ap);
267}
268}
269
270{
271// Kabyl: BooterLog
272struct putc_info pi;
273
274if (!msgbuf) {
275return 0;
276}
277
278if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {
279return 0;
280}
281pi.str = cursor;
282pi.last_str = 0;
283prf(fmt, ap, sputc, &pi);
284cursor += strlen((char *)cursor);
285}
286
287va_end(ap);
288return(0);
289}
290
291int error(const char * fmt, ...)
292{
293va_list ap;
294gErrors = true;
295va_start(ap, fmt);
296if (bootArgs->Video.v_display == VGA_TEXT_MODE)
297{
298prf(fmt, ap, putchar, 0);
299}
300else
301{
302vprf(fmt, ap);
303}
304
305// Kabyl: BooterLog
306struct putc_info pi;
307
308if (!msgbuf)
309{
310return 0;
311}
312
313if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
314{
315return 0;
316}
317
318pi.str = cursor;
319pi.last_str = 0;
320prf(fmt, ap, sputc, &pi);
321cursor += strlen((char *)cursor);
322
323va_end(ap);
324return(0);
325}
326
327void stop(const char * fmt, ...)
328{
329va_list ap;
330
331printf("\n");
332va_start(ap, fmt);
333if (bootArgs->Video.v_display == VGA_TEXT_MODE)
334{
335prf(fmt, ap, putchar, 0);
336}
337else
338{
339vprf(fmt, ap);
340}
341va_end(ap);
342printf("\nThis is a non recoverable error! System HALTED!!!");
343halt();
344while (1);
345}
346
347/** Print user message and a "Press a key to continue..." message and wait for a key press. */
348void pause(const char * fmt, ...) // replace getchar() by pause() were useful.
349{
350va_list ap;
351
352va_start(ap, fmt);
353if (bootArgs->Video.v_display == VGA_TEXT_MODE)
354{
355prf(fmt, ap, putchar, 0);
356}
357else
358{
359vprf(fmt, ap);
360}
361va_end(ap);
362
363printf("Press a key to continue...");
364getchar();
365printf("\n");
366}
367

Archive Download this file

Revision: 2839