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/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2007 MIPS Technologies, Inc. * written by Ralf Baechle (ralf@linux-mips.org) */ #include <linux/kernel.h> #include <linux/console.h> #include <linux/printk.h> #include <linux/init.h> #include <asm/setup.h> extern void prom_putchar(char); static void early_console_write(struct console *con, const char *s, unsigned n) { while (n-- && *s) { if (*s == '\n') prom_putchar('\r'); prom_putchar(*s); s++; } } static struct console early_console_prom = { .name = "early", .write = early_console_write, .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1 }; void __init setup_early_printk(void) { if (early_console) return; early_console = &early_console_prom; register_console(&early_console_prom); } |