projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f30828a6 | 1 | /* |
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
11 | #include <linux/kernel.h> |
| 12 | ||
| 13 | #include <asm/openprom.h> | |
| 14 | #include <asm/oplib.h> | |
| 15 | ||
| 16 | #ifdef CONFIG_KGDB | |
| 17 | extern int kgdb_initialized; | |
| 18 | #endif | |
| 19 | ||
| 20 | static char ppbuf[1024]; | |
| 21 | ||
| 22 | void | |
| 23 | prom_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 | ||
| 1da177e4 LT |
40 | #ifdef CONFIG_KGDB |
| 41 | if (kgdb_initialized) { | |
| 42 | printk("kgdb_initialized = %d\n", kgdb_initialized); | |
| 43 | putpacket(bptr, 1); | |
| 44 | } else | |
| 45 | #else | |
| 46 | while((ch = *(bptr++)) != 0) { | |
| 47 | if(ch == '\n') | |
| 48 | prom_putchar('\r'); | |
| 49 | ||
| 50 | prom_putchar(ch); | |
| 51 | } | |
| 1da177e4 LT |
52 | #endif |
| 53 | va_end(args); | |
| 54 | return; | |
| 55 | } |