diff options
Diffstat (limited to 'include/logbuff.h')
| -rw-r--r-- | include/logbuff.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/logbuff.h b/include/logbuff.h index 3acfc18a782..d4157290538 100644 --- a/include/logbuff.h +++ b/include/logbuff.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2002 + * (C) Copyright 2002-2007 * Detlev Zundel, dzu@denx.de. * * See file CREDITS for list of people who contributed to this @@ -25,6 +25,7 @@ #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 */ @@ -32,6 +33,29 @@ #define LOGBUFF_INITIALIZED (1<<31) +/* 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); |