/* | |
* printf.c: Internal prom library printf facility. | |
* | |
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | |
*/ | |
/* This routine is internal to the prom library, no one else should know | |
* about or use it! It's simple and smelly anyway.... | |
*/ | |
#include <linux/kernel.h> | |
#include <asm/openprom.h> | |
#include <asm/oplib.h> | |
#ifdef CONFIG_KGDB | |
extern int kgdb_initialized; | |
#endif | |
static char ppbuf[1024]; | |
void | |
prom_printf(char *fmt, ...) | |
{ | |
va_list args; | |
char ch, *bptr; | |
int i; | |
va_start(args, fmt); | |
#ifdef CONFIG_KGDB | |
ppbuf[0] = 'O'; | |
i = vsprintf(ppbuf + 1, fmt, args) + 1; | |
#else | |
i = vsprintf(ppbuf, fmt, args); | |
#endif | |
bptr = ppbuf; | |
#ifdef CONFIG_KGDB | |
if (kgdb_initialized) { | |
printk("kgdb_initialized = %d\n", kgdb_initialized); | |
putpacket(bptr, 1); | |
} else | |
#else | |
while((ch = *(bptr++)) != 0) { | |
if(ch == '\n') | |
prom_putchar('\r'); | |
prom_putchar(ch); | |
} | |
#endif | |
va_end(args); | |
return; | |
} |