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67 lines
1.6 KiB
67 lines
1.6 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (c) 2014 Finn Thain |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/console.h> |
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#include <linux/init.h> |
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#include <linux/string.h> |
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#include <asm/setup.h> |
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extern void mvme16x_cons_write(struct console *co, |
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const char *str, unsigned count); |
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asmlinkage void __init debug_cons_nputs(const char *s, unsigned n); |
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static void __ref debug_cons_write(struct console *c, |
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const char *s, unsigned n) |
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{ |
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#if !(defined(CONFIG_SUN3) || defined(CONFIG_M68000) || \ |
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defined(CONFIG_COLDFIRE)) |
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if (MACH_IS_MVME16x) |
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mvme16x_cons_write(c, s, n); |
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else |
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debug_cons_nputs(s, n); |
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#endif |
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} |
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static struct console early_console_instance = { |
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.name = "debug", |
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.write = debug_cons_write, |
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.flags = CON_PRINTBUFFER | CON_BOOT, |
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.index = -1 |
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}; |
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static int __init setup_early_printk(char *buf) |
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{ |
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if (early_console || buf) |
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return 0; |
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early_console = &early_console_instance; |
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register_console(early_console); |
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return 0; |
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} |
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early_param("earlyprintk", setup_early_printk); |
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/* |
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* debug_cons_nputs() defined in arch/m68k/kernel/head.S cannot be called |
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* after init sections are discarded (for platforms that use it). |
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*/ |
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#if !(defined(CONFIG_SUN3) || defined(CONFIG_M68000) || \ |
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defined(CONFIG_COLDFIRE)) |
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static int __init unregister_early_console(void) |
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{ |
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if (!early_console || MACH_IS_MVME16x) |
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return 0; |
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return unregister_console(early_console); |
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} |
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late_initcall(unregister_early_console); |
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#endif
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