1/* $Id: printf.c,v 1.1.1.1 2007/08/03 18:51:51 Exp $
2 * printf.c:  Internal prom library printf facility.
3 *
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 */
6
7/* This routine is internal to the prom library, no one else should know
8 * about or use it!  It's simple and smelly anyway....
9 */
10
11#include <linux/kernel.h>
12
13#include <asm/openprom.h>
14#include <asm/oplib.h>
15
16#ifdef CONFIG_KGDB
17extern int kgdb_initialized;
18#endif
19
20static char ppbuf[1024];
21
22void
23prom_printf(char *fmt, ...)
24{
25	va_list args;
26	char ch, *bptr;
27	int i;
28
29	va_start(args, fmt);
30
31#ifdef CONFIG_KGDB
32	ppbuf[0] = 'O';
33	i = vsprintf(ppbuf + 1, fmt, args) + 1;
34#else
35	i = vsprintf(ppbuf, fmt, args);
36#endif
37
38	bptr = ppbuf;
39
40#ifdef CONFIG_AP1000
41        ap_write(1,bptr,strlen(bptr));
42#else
43
44#ifdef CONFIG_KGDB
45	if (kgdb_initialized) {
46		printk("kgdb_initialized = %d\n", kgdb_initialized);
47		putpacket(bptr, 1);
48	} else
49#else
50	while((ch = *(bptr++)) != 0) {
51		if(ch == '\n')
52			prom_putchar('\r');
53
54		prom_putchar(ch);
55	}
56#endif
57#endif
58	va_end(args);
59	return;
60}
61