mirror of https://gitee.com/openkylin/linux.git
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/*
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* File: include/asm-blackfin/early_printk.h
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* Author: Robin Getz <rgetz@blackfin.uclinux.org
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*
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* Created: 14Aug2007
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* Description: function prototpyes for early printk
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*
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* Modified:
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* Copyright 2004-2007 Analog Devices Inc.
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*
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* Bugs: Enter bugs at http://blackfin.uclinux.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __ASM_EARLY_PRINTK_H__
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#define __ASM_EARLY_PRINTK_H__
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#ifdef CONFIG_EARLY_PRINTK
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/* For those that don't include it already */
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#include <linux/console.h>
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extern int setup_early_printk(char *);
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extern void enable_shadow_console(void);
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extern int shadow_console_enabled(void);
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extern void mark_shadow_error(void);
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extern void early_shadow_reg(unsigned long reg, unsigned int n);
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extern void early_shadow_write(struct console *con, const char *s,
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unsigned int n) __attribute__((nonnull(2)));
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#define early_shadow_puts(str) early_shadow_write(NULL, str, strlen(str))
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#define early_shadow_stamp() \
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do { \
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early_shadow_puts(__FILE__ " : " __stringify(__LINE__) " ["); \
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early_shadow_puts(__func__); \
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early_shadow_puts("]\n"); \
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} while (0)
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#else
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#define setup_early_printk(fmt) do { } while (0)
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#define enable_shadow_console(fmt) do { } while (0)
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#define early_shadow_stamp() do { } while (0)
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#endif /* CONFIG_EARLY_PRINTK */
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#endif /* __ASM_EARLY_PRINTK_H__ */
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