2 * (C) Copyright 2002-2007
3 * Detlev Zundel, dzu@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #ifdef CONFIG_LOGBUFFER
28 #define LOGBUFF_MAGIC 0xc0de4ced /* Forced by code, eh! */
29 #define LOGBUFF_LEN (16384) /* Must be 16k right now */
30 #define LOGBUFF_MASK (LOGBUFF_LEN-1)
31 #define LOGBUFF_OVERHEAD (4096) /* Logbuffer overhead for extra info */
32 #define LOGBUFF_RESERVE (LOGBUFF_LEN+LOGBUFF_OVERHEAD)
34 #define LOGBUFF_INITIALIZED (1<<31)
36 /* The mapping used here has to be the same as in setup_ext_logbuff ()
37 in linux/kernel/printk */
59 int drv_logbuff_init (void);
60 void logbuff_init_ptrs (void);
61 void logbuff_log(char *msg);
62 void logbuff_reset (void);
64 #endif /* CONFIG_LOGBUFFER */
66 #endif /* _LOGBUFF_H */