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/* $Id: printf.c,v 1.5 1996/04/04 16:31:07 tridge Exp $ * 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/config.h> #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; #if CONFIG_AP1000 ap_write(1,bptr,strlen(bptr)); #else #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 #endif va_end(args); return; } |