kernel-ark/arch/mips/lib/promlib.c

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#include <stdarg.h>
#include <linux/kernel.h>
extern void prom_putchar(char);
void prom_printf(char *fmt, ...)
{
va_list args;
char ppbuf[1024];
char *bptr;
va_start(args, fmt);
vsprintf(ppbuf, fmt, args);
bptr = ppbuf;
while (*bptr != 0) {
if (*bptr == '\n')
prom_putchar('\r');
prom_putchar(*bptr++);
}
va_end(args);
}