| /* $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/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_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; |
| } |