Logo Search packages:      
Sourcecode: linux version File versions

printf.c

/*
 * 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;
}

Generated by  Doxygen 1.6.0   Back to index