acrn-kernel/arch/mips/arc/arc_con.c

51 lines
980 B
C

/*
* 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 __init 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);