arc_con.c

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/*
 * Wrap-around code for a console using the
 * ARC io-routines.
 *
 * Copyright (c) 1998 Harald Koerfgen
 * Copyright (c) 2001 Ralf Baechle
 * Copyright (c) 2002 Thiemo Seufer
 */
#include <linux/tty.h>
#include <linux/major.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/fs.h>
#include <asm/sgialib.h>

static void prom_console_write(struct console *co, const char *s,
                   unsigned count)
{
    /* Do each character */
    while (count--) {
        if (*s == '\n')
            prom_putchar('\r');
        prom_putchar(*s++);
    }
}

static int prom_console_setup(struct console *co, char *options)
{
    return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE);
}

static struct console arc_cons = {
    .name       = "arc",
    .write      = prom_console_write,
    .setup      = prom_console_setup,
    .flags      = CON_PRINTBUFFER,
    .index      = -1,
};

/*
 *    Register console.
 */

static int __init arc_console_init(void)
{
    register_console(&arc_cons);

    return 0;
}
console_initcall(arc_console_init);