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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* (C) Copyright 2002-2007
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* Detlev Zundel, dzu@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _LOGBUFF_H
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#define _LOGBUFF_H
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#ifdef CONFIG_LOGBUFFER
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#define LOGBUFF_MAGIC 0xc0de4ced /* Forced by code, eh! */
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#define LOGBUFF_LEN (16384) /* Must be 16k right now */
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#define LOGBUFF_MASK (LOGBUFF_LEN-1)
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#define LOGBUFF_OVERHEAD (4096) /* Logbuffer overhead for extra info */
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#define LOGBUFF_RESERVE (LOGBUFF_LEN+LOGBUFF_OVERHEAD)
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/* The mapping used here has to be the same as in setup_ext_logbuff ()
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in linux/kernel/printk */
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typedef struct {
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union {
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struct {
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unsigned long tag;
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unsigned long start;
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unsigned long con;
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unsigned long end;
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unsigned long chars;
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} v2;
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struct {
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unsigned long dummy;
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unsigned long tag;
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unsigned long start;
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unsigned long size;
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unsigned long chars;
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} v1;
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};
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unsigned char buf[0];
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} logbuff_t;
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int drv_logbuff_init (void);
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void logbuff_init_ptrs (void);
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void logbuff_log(char *msg);
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void logbuff_reset (void);
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unsigned long logbuffer_base (void);
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#endif /* CONFIG_LOGBUFFER */
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#endif /* _LOGBUFF_H */
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