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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 {
72 uint16_t year;
73 uint8_t mon;
74 uint8_t day;
75 uint8_t hour;
76 uint8_t mins;
77 uint8_t secs;
78 uint8_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{
103 biosBuf_t bb;
104
105 bb.intno = 0x1a;
106bb.eax.r.h = 0x04; // get RTC date
107 //bb.flags.cf = 0;
108 bios(&bb);
109 if (bb.flags.cf) return 0;
110 datetime.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;
111 datetime.mon = (bb.edx.r.h >> 4) * 10 + (bb.edx.r.h & 0x0F) * 1;
112 datetime.day = (bb.edx.r.l >> 4) * 10 + (bb.edx.r.l & 0x0F) * 1;
113
114 bb.intno = 0x1a;
115bb.eax.r.h = 0x02; // get RTC time
116 //bb.flags.cf = 0;
117bios(&bb);
118 if (bb.flags.cf) return 0;
119 datetime.dlight = bb.edx.r.l & 0x0F;
120 datetime.hour = (bb.ecx.r.h >> 4) * 10 + (bb.ecx.r.h & 0x0F) * 1;
121 datetime.mins = (bb.ecx.r.l >> 4) * 10 + (bb.ecx.r.l & 0x0F) * 1;
122 datetime.secs = (bb.edx.r.h >> 4) * 10 + (bb.edx.r.h & 0x0F) * 1;
123 return *(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 "]");
132 getRTCdatetime();
133 verbose("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) {
142return 0;
143}
144
145if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {
146return 0;
147}
148
149va_start(ap, fmt);
150pi.str = cursor;
151pi.last_str = 0;
152prf(fmt, ap, sputc, &pi);
153va_end(ap);
154cursor += strlen((char *)cursor);
155
156 return 0;
157}
158
159void setupBooterLog(void)
160{
161if (!msgbuf) {
162return;
163}
164
165Node *node = DT__FindNode("/", false);
166if (node)
167DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);
168}
169/* Kabyl: !BooterLog */
170
171/*
172 * write one character to console
173 */
174int putchar(int c)
175{
176if ( c == '\t' ) {
177for (c = 0; c < 8; c++) bios_putchar(' ');
178return c;
179}
180
181if ( c == '\n' ) {
182bios_putchar('\r');
183}
184
185bios_putchar(c);
186
187return c;
188}
189
190int getc()
191{
192int c = bgetc();
193
194if ((c & 0xff) == 0) {
195return c;
196} else {
197return (c & 0xff);
198}
199}
200
201// Read and echo a character from console. This doesn't echo backspace
202// since that screws up higher level handling
203
204int getchar()
205{
206register int c = getc();
207
208//if ( c == '\r' ) c = '\n';
209
210//if ( c >= ' ' && c < 0x7f) putchar(c);
211
212return (c);
213}
214
215int printf(const char * fmt, ...)
216{
217va_list ap;
218
219va_start(ap, fmt);
220if (bootArgs->Video.v_display == VGA_TEXT_MODE)
221{
222prf(fmt, ap, putchar, 0);
223}
224else
225{
226vprf(fmt, ap);
227}
228/*
229{
230// Kabyl: BooterLog
231struct putc_info pi;
232
233if (!msgbuf) {
234return 0;
235}
236
237if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {
238return 0;
239}
240pi.str = cursor;
241pi.last_str = 0;
242prf(fmt, ap, sputc, &pi);
243cursor += strlen((char *)cursor);
244}
245*/
246va_end(ap);
247return 0;
248}
249
250int verbose(const char * fmt, ...)
251{
252va_list ap;
253
254va_start(ap, fmt);
255if (gVerboseMode)
256{
257if (bootArgs->Video.v_display == VGA_TEXT_MODE)
258{
259prf(fmt, ap, putchar, 0);
260}
261else
262{
263vprf(fmt, ap);
264}
265}
266
267{
268// Kabyl: BooterLog
269struct putc_info pi;
270
271if (!msgbuf) {
272return 0;
273}
274
275if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {
276return 0;
277}
278pi.str = cursor;
279pi.last_str = 0;
280prf(fmt, ap, sputc, &pi);
281cursor += strlen((char *)cursor);
282}
283
284va_end(ap);
285return(0);
286}
287
288int error(const char * fmt, ...)
289{
290va_list ap;
291gErrors = true;
292va_start(ap, fmt);
293if (bootArgs->Video.v_display == VGA_TEXT_MODE)
294{
295prf(fmt, ap, putchar, 0);
296}
297else
298{
299vprf(fmt, ap);
300}
301
302// Kabyl: BooterLog
303struct putc_info pi;
304
305if (!msgbuf)
306{
307return 0;
308}
309
310if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
311{
312return 0;
313}
314
315pi.str = cursor;
316pi.last_str = 0;
317prf(fmt, ap, sputc, &pi);
318cursor += strlen((char *)cursor);
319
320va_end(ap);
321return(0);
322}
323
324void stop(const char * fmt, ...)
325{
326va_list ap;
327
328printf("\n");
329va_start(ap, fmt);
330if (bootArgs->Video.v_display == VGA_TEXT_MODE)
331{
332prf(fmt, ap, putchar, 0);
333}
334else
335{
336vprf(fmt, ap);
337}
338va_end(ap);
339printf("\nThis is a non recoverable error! System HALTED!!!");
340halt();
341while (1);
342}
343
344/** Print user message and a "Press a key to continue..." message and wait for a key press. */
345void pause(const char * fmt, ...) // replace getchar() by pause() were useful.
346{
347 va_list ap;
348
349va_start(ap, fmt);
350if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
351prf(fmt, ap, putchar, 0);
352} else {
353vprf(fmt, ap);
354}
355va_end(ap);
356
357 printf("Press a key to continue...");
358getchar();
359 printf("\n");
360}
361

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