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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 int␉vprf(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_SIZE␉134␊
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{␊
84␉char * str;␊
85␉char * last_str;␊
86};␊
87␊
88static int␊
89sputc(int c, struct putc_info * pi) //Azi: same as above␊
90{␊
91␉if (pi->last_str)␊
92␉if (pi->str == pi->last_str)␊
93␉{␊
94␉␉*(pi->str) = '\0';␊
95␉␉return 0;␊
96␉}␊
97␉*(pi->str)++ = c;␊
98␉return c;␊
99}␊
100␊
101uint64_t getRTCdatetime() // 0xYYYYMMDDHHMMSS0L in decimal␊
102{␊
103␉biosBuf_t bb;␊
104␊
105␉bb.intno = 0x1a;␊
106␉bb.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;␊
115␉bb.eax.r.h = 0x02; // get RTC time␊
116␉//bb.flags.cf = 0;␊
117␉bios(&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{␊
128␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
129␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
130␉cursor = msgbuf;␊
131␉msglog("%s\n", "Enoch (r" I386BOOT_CHAMELEONREVISION ")" " [" I386BOOT_BUILDDATE "]");␊
132␉getRTCdatetime();␊
133␉msglog("Logging started: %04d/%02d/%02d, %02d:%02d:%02d\n", datetime.year, datetime.mon, datetime.day, datetime.hour, datetime.mins, datetime.secs);␊
134}␊
135␊
136int msglog(const char * fmt, ...)␊
137{␊
138␉va_list ap;␊
139␉struct putc_info pi;␊
140␊
141␉if (!msgbuf)␊
142␉{␊
143␉␉return 0;␊
144␉}␊
145␊
146␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
147␉{␊
148␉␉return 0;␊
149␉}␊
150␊
151␉va_start(ap, fmt);␊
152␉pi.str = cursor;␊
153␉pi.last_str = 0;␊
154␉prf(fmt, ap, sputc, &pi);␊
155␉va_end(ap);␊
156␉cursor += strlen((char *)cursor);␊
157␊
158␉return 0;␊
159}␊
160␊
161void setupBooterLog(void)␊
162{␊
163␉if (!msgbuf)␊
164␉{␊
165␉␉return;␊
166␉}␊
167␊
168␉Node *node = DT__FindNode("/", false);␊
169␉if (node)␊
170␉␉DT__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{␊
179␉if ( c == '\t' ) {␊
180␉␉for (c = 0; c < 8; c++) bios_putchar(' ');␊
181␉␉return c;␊
182␉}␊
183␊
184␉if ( c == '\n' ) {␊
185␉␉bios_putchar('\r');␊
186␉}␊
187␊
188␉bios_putchar(c);␊
189 ␊
190␉return c;␊
191}␊
192␊
193int getc()␊
194{␊
195␉int c = bgetc();␊
196␊
197␉if ((c & 0xff) == 0) {␊
198␉␉return c;␊
199␉} else {␊
200␉␉return (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{␊
209␉register int c = getc();␊
210␉return (c);␊
211}␊
212␊
213int printf(const char * fmt, ...)␊
214{␊
215␉va_list ap;␊
216␊
217␉va_start(ap, fmt);␊
218␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
219␉{␊
220␉␉prf(fmt, ap, putchar, 0);␊
221␉}␊
222␉else␊
223␉{␊
224␉␉vprf(fmt, ap);␊
225␉}␊
226␉va_end(ap);␊
227␉return 0;␊
228}␊
229␊
230int verbose(const char * fmt, ...)␊
231{␊
232␉va_list ap;␊
233␊
234␉va_start(ap, fmt);␊
235␉if (gVerboseMode)␊
236␉{␊
237␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
238␉␉{␊
239␉␉␉prf(fmt, ap, putchar, 0);␊
240␉␉}␊
241␉␉else␊
242␉␉{␊
243␉␉␉vprf(fmt, ap);␊
244␉␉}␊
245␉}␊
246␉va_end(ap);␊
247␊
248␉{␊
249␉␉// Kabyl: BooterLog␊
250␉␉struct putc_info pi;␊
251␊
252␉␉if (!msgbuf) {␊
253␉␉␉return 0;␊
254␉␉}␊
255␊
256␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {␊
257␉␉␉return 0;␊
258␉␉}␊
259␉␉pi.str = cursor;␊
260␉␉pi.last_str = 0;␊
261␉␉va_start(ap, fmt);␊
262␉␉prf(fmt, ap, sputc, &pi);␊
263␉␉va_end(ap);␊
264␉␉cursor += strlen((char *)cursor);␊
265␉}␊
266␊
267␉return(0);␊
268}␊
269␊
270int error(const char * fmt, ...)␊
271{␊
272␉va_list ap;␊
273␉gErrors = true;␊
274␉va_start(ap, fmt);␊
275␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
276␉{␊
277␉␉prf(fmt, ap, putchar, 0);␊
278␉}␊
279␉else␊
280␉{␊
281␉␉vprf(fmt, ap);␊
282␉}␊
283␉va_end(ap);␊
284␊
285␉// Kabyl: BooterLog␊
286␉struct putc_info pi;␊
287␊
288␉if (!msgbuf)␊
289␉{␊
290␉␉return 0;␊
291␉}␊
292␊
293␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
294␉{␊
295␉␉return 0;␊
296␉}␊
297␊
298␉pi.str = cursor;␊
299␉pi.last_str = 0;␊
300␉va_start(ap, fmt);␊
301␉prf(fmt, ap, sputc, &pi);␊
302␉va_end(ap);␊
303␉cursor += strlen((char *)cursor);␊
304␊
305␉return(0);␊
306}␊
307␊
308void stop(const char * fmt, ...)␊
309{␊
310␉va_list ap;␊
311␊
312␉printf("\n");␊
313␉va_start(ap, fmt);␊
314␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
315␉{␊
316␉␉prf(fmt, ap, putchar, 0);␊
317␉}␊
318␉else␊
319␉{␊
320␉␉vprf(fmt, ap);␊
321␉}␊
322␉va_end(ap);␊
323␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
324␉halt();␊
325␉while (1);␊
326}␊
327␊
328/** Print a "Press a key to continue..." message and wait for a key press. */␊
329void pause()␊
330{␊
331␉printf("Press a key to continue...\n");␊
332␉getchar(); // replace getchar() by pause() were useful.␊
333}␊
334

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