diff options
Diffstat (limited to 'qemu/roms/u-boot/include/logbuff.h')
-rw-r--r-- | qemu/roms/u-boot/include/logbuff.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/include/logbuff.h b/qemu/roms/u-boot/include/logbuff.h new file mode 100644 index 000000000..625feb9f9 --- /dev/null +++ b/qemu/roms/u-boot/include/logbuff.h @@ -0,0 +1,49 @@ +/* + * (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 */ |