Viewing file:  arc_con.c (1.21 KB) -rw-r--r--
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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
*/
#include <linux/tty.h>
#include <linux/major.h>
#include <linux/ptrace.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/fs.h>
#include <asm/sgialib.h>
extern void prom_printf (char *, ...);
void prom_putchar(char c)
{
ULONG cnt;
CHAR it = c;
ArcWrite(1, &it, 1, &cnt);
}
static void prom_console_write(struct console *co, const char *s,
unsigned count)
{
unsigned i;
/*
* Now, do each character
*/
for (i = 0; i < count; i++) {
if (*s == 10)
prom_printf("%c", 13);
prom_printf("%c", *s++);
}
}
static int prom_console_wait_key(struct console *co)
{
return 0;
}
static int __init prom_console_setup(struct console *co, char *options)
{
return 0;
}
static kdev_t prom_console_device(struct console *c)
{
return MKDEV(TTY_MAJOR, 64 + c->index);
}
static struct console arc_cons = {
"ttyS",
prom_console_write,
NULL,
prom_console_device,
prom_console_wait_key,
NULL,
prom_console_setup,
CON_PRINTBUFFER,
-1,
0,
NULL
};
/*
* Register console.
*/
void __init arc_console_init(void)
{
register_console(&arc_cons);
}
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