LXR linux/arch/m68k/sun3/prom/printf.c

   1/* $Id: printf.c,v 1.5 1996/04/04 16:31:07 tridge 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