Chameleon

Chameleon Svn Source Tree

Root/branches/cparm/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 "modules.h"␊
50␊
51//extern int␉vprf(const char * fmt, va_list ap);␊
52␊
53bool gVerboseMode;␊
54bool gErrors;␊
55␊
56/* Kabyl: BooterLog */␊
57#define BOOTER_LOG_SIZE (128 * 1024)␊
58#define SAFE_LOG_SIZE 134␊
59␊
60char *msgbuf = 0;␊
61char *cursor = 0;␊
62␊
63struct putc_info {␊
64 char * str;␊
65 char * last_str;␊
66};␊
67␊
68void sputc(int c, struct putc_info * pi)␊
69{␊
70␉if (pi->last_str)␊
71␉␉if (pi->str == pi->last_str)␊
72␉␉{␊
73␉␉␉*(pi->str) = '\0';␊
74␉␉␉return;␊
75␉␉}␊
76␉*(pi->str)++ = c;␊
77}␊
78␊
79void initBooterLog(void)␊
80{␊
81␉msgbuf = malloc(BOOTER_LOG_SIZE);␊
82␉bzero(msgbuf, BOOTER_LOG_SIZE);␊
83␉cursor = msgbuf;␊
84}␊
85␊
86void msglog(const char * fmt, ...)␊
87{␊
88␉va_list ap;␊
89␉struct putc_info pi;␊
90␉␊
91␉if (!msgbuf)␊
92␉␉return;␊
93␉␊
94␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
95␉␉return;␊
96␉␊
97␉va_start(ap, fmt);␊
98␉pi.str = cursor;␊
99␉pi.last_str = 0;␊
100␉prf(fmt, ap, sputc, &pi);␊
101␉va_end(ap);␊
102␉cursor += strlen((char *)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/*␊
118 * write one character to console␊
119 */␊
120void putchar(int c)␊
121{␊
122␉if ( c == '\t' )␊
123␉{␊
124␉␉for (c = 0; c < 8; c++) putc(' ');␊
125␉␉return;␊
126␉}␊
127␉␊
128␉if ( c == '\n' )␊
129 {␊
130␉␉putc('\r');␊
131 }␊
132␉␊
133␉putc(c);␊
134}␊
135␊
136int getc()␊
137{␉␊
138 int c = bgetc();␉␊
139␉␊
140 if ((c & 0xff) == 0) ␉␉␊
141 return c;␊
142 else ␉␊
143␉␉return (c & 0xff); ␊
144}␊
145␊
146// Read and echo a character from console. This doesn't echo backspace␊
147// since that screws up higher level handling␊
148␊
149int getchar()␊
150{␊
151␉register int c = getc();␊
152␉␊
153␉if ( c == '\r' ) c = '\n';␊
154␉␊
155␉if ( c >= ' ' && c < 0x7f) putchar(c);␊
156␉␊
157␉return (c);␊
158}␊
159␊
160int printf(const char * fmt, ...)␊
161{␊
162 va_list ap;␊
163␉va_start(ap, fmt);␊
164␉␊
165␉prf(fmt, ap, putchar, 0);␊
166␉␊
167␉{␊
168␉␉/* Kabyl: BooterLog */␊
169␉␉struct putc_info pi;␊
170␉␉␊
171␉␉if (!msgbuf)␊
172␉␉␉return 0;␊
173␉␉␊
174␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
175␉␉␉return 0;␊
176␉␉pi.str = cursor;␊
177␉␉pi.last_str = 0;␊
178␉␉prf(fmt, ap, sputc, &pi);␊
179␉␉cursor += strlen((char *)cursor);␊
180␉}␊
181␉␊
182␉va_end(ap);␊
183 return 0;␊
184}␊
185␊
186int verbose(const char * fmt, ...)␊
187{␊
188 va_list ap;␊
189 ␊
190␉va_start(ap, fmt);␊
191 if (gVerboseMode)␊
192 {␊
193␉␉prf(fmt, ap, putchar, 0);␊
194 }␊
195␉␊
196␉{␊
197␉␉/* Kabyl: BooterLog */␊
198␉␉struct putc_info pi;␊
199␉␉␊
200␉␉if (!msgbuf)␊
201␉␉␉return 0;␊
202␉␉␊
203␉␉if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))␊
204␉␉␉return 0;␊
205␉␉pi.str = cursor;␊
206␉␉pi.last_str = 0;␊
207␉␉prf(fmt, ap, sputc, &pi);␊
208␉␉cursor += strlen((char *)cursor);␊
209␉}␊
210␉␊
211 va_end(ap);␊
212 return(0);␊
213}␊
214␊
215int error(const char * fmt, ...)␊
216{␊
217 va_list ap;␊
218 gErrors = true;␊
219 va_start(ap, fmt);␊
220␉␊
221␉prf(fmt, ap, putchar, 0);␊
222 ␊
223␉va_end(ap);␊
224 return(0);␊
225}␊
226␊
227void stop(const char * fmt, ...)␊
228{␊
229␉va_list ap;␊
230␉␊
231␉printf("\n");␊
232␉va_start(ap, fmt);␊
233␉␊
234␉prf(fmt, ap, putchar, 0);␊
235␉␊
236␉va_end(ap);␊
237␉printf("\nThis is a non recoverable error! System HALTED!!!");␊
238␉halt();␊
239␉while (1);␊
240}␊
241␊
242/** Print a "Press a key to continue..." message and wait for a key press. */␊
243void pause() ␊
244{␊
245 printf("Press a key to continue...");␊
246 getc();␊
247}␊
248␊
249char * newStringWithFormat(const char * fmt, ...)␊
250{␊
251 va_list ap;␊
252 struct putc_info pi;␊
253␉int len;␊
254␉char *str = NULL;␊
255␉␊
256 va_start(ap, fmt);␊
257 pi.last_str = 0;␊
258␉len = prf_fmt_str_len(fmt, ap);␊
259␉if (len > 0)␊
260␉{␊
261␉␉str = malloc(len+1);␊
262␉␉if (!str) return NULL;␊
263␉}␉␊
264␉pi.str = str;␊
265␉␊
266 prf(fmt, ap, sputc, &pi);␊
267 *pi.str = '\0';␊
268 va_end(ap);␉␊
269␉␊
270␉return str;␊
271␉␊
272}

Archive Download this file

Revision: 1804