优龙2410linux2.6.8内核源代码

				/* $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 				#include 								#include 				#include 								#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_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;				}