diff options
Diffstat (limited to 'arch/powerpc/boot/ofconsole.c')
-rw-r--r-- | arch/powerpc/boot/ofconsole.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ofconsole.c b/arch/powerpc/boot/ofconsole.c new file mode 100644 index 000000000000..ce0e02424453 --- /dev/null +++ b/arch/powerpc/boot/ofconsole.c | |||
@@ -0,0 +1,45 @@ | |||
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 | |||
21 | static void *of_stdout_handle; | ||
22 | |||
23 | static int of_console_open(void) | ||
24 | { | ||
25 | void *devp; | ||
26 | |||
27 | if (((devp = of_finddevice("/chosen")) != NULL) | ||
28 | && (of_getprop(devp, "stdout", &of_stdout_handle, | ||
29 | sizeof(of_stdout_handle)) | ||
30 | == sizeof(of_stdout_handle))) | ||
31 | return 0; | ||
32 | |||
33 | return -1; | ||
34 | } | ||
35 | |||
36 | static void of_console_write(const char *buf, int len) | ||
37 | { | ||
38 | of_call_prom("write", 3, 1, of_stdout_handle, buf, len); | ||
39 | } | ||
40 | |||
41 | void of_console_init(void) | ||
42 | { | ||
43 | console_ops.open = of_console_open; | ||
44 | console_ops.write = of_console_write; | ||
45 | } | ||