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- /*
- * (C) Copyright 2002-2007
- * Detlev Zundel, dzu@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #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 */
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