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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␊
50extern int␉vprf(const char * fmt, va_list ap);␊
51␊
52bool gVerboseMode;␊
53bool gErrors;␊
54␊
55/* Kabyl: BooterLog */␊
56#define BOOTER_LOG_SIZE␉(64 * 1024)␊
57#define SAFE_LOG_SIZE␉80␊
58␊
59char *msgbuf = 0;␊
60char *cursor = 0;␊
61␊
62struct putc_info {␊
63 char * str;␊
64 char * last_str;␊
65};␊
66␊
67static void sputc(int c, struct putc_info * pi)␊
68{␊
69␉if (pi->last_str)␊
70␉if (pi->str == pi->last_str)␊
71␉{␊
72␉␉*(pi->str) = '\0';␊
73␉␉return;␊
74␉}␊
75␉*(pi->str)++ = c;␊
76}␊
77␊
78void initBooterLog(void)␊
79{␊
80␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
81␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
82␉cursor = msgbuf;␊
83}␊
84␊
85void msglog(const char * fmt, ...)␊
86{␊
87␉va_list ap;␊
88␉struct putc_info pi;␊
89␊
90␉if (!msgbuf)␊
91␉␉return;␊
92␊
93␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
94␉␉return;␊
95␊
96␉va_start(ap, fmt);␊
97␉pi.str = cursor;␊
98␉pi.last_str = 0;␊
99␉prf(fmt, ap, sputc, &pi);␊
100␉*pi.str = '\0';␊
101␉va_end(ap);␊
102␉cursor += (pi.str - cursor);␊
103}␊
104␊
105void setupBooterLog(void)␊
106{␊
107␉if (!msgbuf)␊
108␉␉return;␊
109␊
110␉Node *node = DT__FindNode("/", false);␊
111␉if (node)␊
112␉␉DT__AddProperty(node, "boot-log", strlen((char *)msgbuf) + 1, msgbuf);␊
113}␊
114/* Kabyl: !BooterLog */␊
115␊
116/*␊
117 * write one character to console␊
118 */␊
119void putchar(int c)␊
120{␊
121␉if ( c == '\t' )␊
122␉{␊
123␉␉for (c = 0; c < 8; c++) putc(' ');␊
124␉␉return;␊
125␉}␊
126␊
127␉if ( c == '\n' )␊
128 {␊
129␉␉putc('\r');␊
130 }␊
131␊
132␉putc(c);␊
133}␊
134␊
135int getc()␊
136{␊
137 int c = bgetc();␊
138␊
139 if ((c & 0xff) == 0)␊
140 return c;␊
141 else␊
142 return (c & 0xff);␊
143}␊
144␊
145// Read and echo a character from console. This doesn't echo backspace␊
146// since that screws up higher level handling␊
147␊
148int getchar()␊
149{␊
150␉register int c = getc();␊
151␊
152␉if ( c == '\r' ) c = '\n';␊
153␊
154␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
155␉␊
156␉return (c);␊
157}␊
158␊
159int printf(const char * fmt, ...)␊
160{␊
161 va_list ap;␊
162␉va_start(ap, fmt);␊
163␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
164␉␉prf(fmt, ap, putchar, 0);␊
165␉else␊
166␉␉vprf(fmt, ap);␊
167␊
168␉{␊
169␉/* Kabyl: BooterLog */␊
170␉␉struct putc_info pi;␊
171␊
172␉␉if (!msgbuf)␊
173␉␉␉return 0;␊
174␊
175␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
176␉␉␉return 0;␊
177␉␉pi.str = cursor;␊
178␉␉pi.last_str = 0;␊
179␉␉prf(fmt, ap, sputc, &pi);␊
180␉␉*pi.str = '\0';␊
181␉␉cursor += (pi.str - cursor);␊
182␉}␊
183␊
184␉va_end(ap);␊
185 return 0;␊
186}␊
187␊
188int verbose(const char * fmt, ...)␊
189{␊
190 va_list ap;␊
191 ␊
192␉va_start(ap, fmt);␊
193 if (gVerboseMode)␊
194 {␊
195␉␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
196␉␉␉prf(fmt, ap, putchar, 0);␊
197␉␉else␊
198␉␉␉vprf(fmt, ap);␊
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␉␉*pi.str = '\0';␊
214␉␉cursor += (pi.str - cursor);␊
215␉}␊
216␊
217 va_end(ap);␊
218 return(0);␊
219}␊
220␊
221int error(const char * fmt, ...)␊
222{␊
223 va_list ap;␊
224 gErrors = true;␊
225 va_start(ap, fmt);␊
226␉if (bootArgs->Video.v_display == VGA_TEXT_MODE)␊
227␉␉prf(fmt, ap, putchar, 0);␊
228 else␊
229␉␉vprf(fmt, ap);␊
230␉va_end(ap);␊
231 return(0);␊
232}␊
233␊
234void stop(const char * fmt, ...)␊
235{␊
236␉va_list ap;␊
237␊
238␉printf("\n");␊
239␉va_start(ap, fmt);␊
240␉if (bootArgs->Video.v_display == VGA_TEXT_MODE) {␊
241␉␉prf(fmt, ap, putchar, 0);␊
242␉} else {␊
243␉␉vprf(fmt, ap);␊
244␉}␊
245␉va_end(ap);␊
246␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
247␉halt();␊
248␉while (1);␊
249}␊
250␊
251/** Print a "Press a key to continue..." message and wait for a key press. */␊
252void pause() ␊
253{␊
254 printf("Press a key to continue...");␊
255 getc();␊
256}␊
257

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