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/arch/mips/dec/promcon.c

https://bitbucket.org/evzijst/gittest
C | 55 lines | 34 code | 9 blank | 12 comment | 3 complexity | 777ef91afd20e505cab1d6caee738b5f MD5 | raw file
 1/*
 2 * Wrap-around code for a console using the
 3 * DECstation PROM io-routines.
 4 *
 5 * Copyright (c) 1998 Harald Koerfgen
 6 */
 7
 8#include <linux/tty.h>
 9#include <linux/ptrace.h>
10#include <linux/init.h>
11#include <linux/console.h>
12#include <linux/fs.h>
13
14#include <asm/dec/prom.h>
15
16static void prom_console_write(struct console *co, const char *s,
17			       unsigned count)
18{
19	unsigned i;
20
21	/*
22	 *    Now, do each character
23	 */
24	for (i = 0; i < count; i++) {
25		if (*s == 10)
26			prom_printf("%c", 13);
27		prom_printf("%c", *s++);
28	}
29}
30
31static int __init prom_console_setup(struct console *co, char *options)
32{
33	return 0;
34}
35
36static struct console sercons =
37{
38	.name	= "ttyS",
39	.write	= prom_console_write,
40	.setup	= prom_console_setup,
41	.flags	= CON_PRINTBUFFER,
42	.index	= -1,
43};
44
45/*
46 *    Register console.
47 */
48
49static int __init prom_console_init(void)
50{
51	register_console(&sercons);
52
53	return 0;
54}
55console_initcall(prom_console_init);