mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
95d449ad4d
Add logbuffer to reserved LMB areas to prevent initrd allocation from overlaping with it. Make sure to use correct logbuffer base address. Signed-off-by: Marian Balakowicz <m8@semihalf.com>
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
|
|
* (C) Copyright 2002-2007
|
|
* Detlev Zundel, dzu@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
#ifndef _LOGBUFF_H
|
|
#define _LOGBUFF_H
|
|
|
|
#ifdef CONFIG_LOGBUFFER
|
|
|
|
#define LOGBUFF_MAGIC 0xc0de4ced /* Forced by code, eh! */
|
|
#define LOGBUFF_LEN (16384) /* Must be 16k right now */
|
|
#define LOGBUFF_MASK (LOGBUFF_LEN-1)
|
|
#define LOGBUFF_OVERHEAD (4096) /* Logbuffer overhead for extra info */
|
|
#define LOGBUFF_RESERVE (LOGBUFF_LEN+LOGBUFF_OVERHEAD)
|
|
|
|
/* The mapping used here has to be the same as in setup_ext_logbuff ()
|
|
in linux/kernel/printk */
|
|
|
|
typedef struct {
|
|
union {
|
|
struct {
|
|
unsigned long tag;
|
|
unsigned long start;
|
|
unsigned long con;
|
|
unsigned long end;
|
|
unsigned long chars;
|
|
} v2;
|
|
struct {
|
|
unsigned long dummy;
|
|
unsigned long tag;
|
|
unsigned long start;
|
|
unsigned long size;
|
|
unsigned long chars;
|
|
} v1;
|
|
};
|
|
unsigned char buf[0];
|
|
} logbuff_t;
|
|
|
|
int drv_logbuff_init (void);
|
|
void logbuff_init_ptrs (void);
|
|
void logbuff_log(char *msg);
|
|
void logbuff_reset (void);
|
|
unsigned long logbuffer_base (void);
|
|
|
|
#endif /* CONFIG_LOGBUFFER */
|
|
|
|
#endif /* _LOGBUFF_H */
|