projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2e601613 DG |
1 | /* |
| 2 | * OF console routines | |
| 3 | * | |
| 4 | * Copyright (C) Paul Mackerras 1997. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | #include <stddef.h> | |
| 12 | #include "types.h" | |
| 13 | #include "elf.h" | |
| 14 | #include "string.h" | |
| 15 | #include "stdio.h" | |
| 16 | #include "page.h" | |
| 17 | #include "ops.h" | |
| 18 | ||
| 19 | #include "of.h" | |
| 20 | ||
| 926e6940 | 21 | static unsigned int of_stdout_handle; |
| 2e601613 DG |
22 | |
| 23 | static int of_console_open(void) | |
| 24 | { | |
| 25 | void *devp; | |
| 26 | ||
| 08464712 DG |
27 | if (((devp = of_finddevice("/chosen")) != NULL) |
| 28 | && (of_getprop(devp, "stdout", &of_stdout_handle, | |
| 29 | sizeof(of_stdout_handle)) | |
| 926e6940 CLG |
30 | == sizeof(of_stdout_handle))) { |
| 31 | of_stdout_handle = be32_to_cpu(of_stdout_handle); | |
| 2e601613 | 32 | return 0; |
| 926e6940 | 33 | } |
| 2e601613 DG |
34 | |
| 35 | return -1; | |
| 36 | } | |
| 37 | ||
| b96fbb6e | 38 | static void of_console_write(const char *buf, int len) |
| 2e601613 DG |
39 | { |
| 40 | of_call_prom("write", 3, 1, of_stdout_handle, buf, len); | |
| 41 | } | |
| 42 | ||
| 43 | void of_console_init(void) | |
| 44 | { | |
| 45 | console_ops.open = of_console_open; | |
| 46 | console_ops.write = of_console_write; | |
| 47 | } |