1 /*---------------------------------------------------------------------------*
2   Project:  TwlSDK - OS - include
3   File:     entropy.h
4 
5   Copyright 2003-2008 Nintendo. All rights reserved.
6 
7   These coded instructions, statements, and computer programs contain
8   proprietary information of Nintendo of America Inc. and/or Nintendo
9   Company Ltd., and are protected by Federal copyright law. They may
10   not be disclosed to third parties or copied or duplicated in any form,
11   in whole or in part, without the prior written consent of Nintendo.
12 
13   $Date:: 2008-09-18#$
14   $Rev: 8573 $
15   $Author: okubata_ryoma $
16  *---------------------------------------------------------------------------*/
17 
18 #ifndef NITRO_OS_ENTROPY_H_
19 #define NITRO_OS_ENTROPY_H_
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 #include <nitro/misc.h>
26 #include <nitro/types.h>
27 #ifdef SDK_NITRO
28 #include <nitro/ioreg.h>
29 #else
30 #include <twl/ioreg.h>
31 #endif
32 
33 #define OS_LOW_ENTROPY_DATA_SIZE 32
34 
35 /*---------------------------------------------------------------------------*
36   Name:         OS_GetLowEntropyData
37 
38   Description:  Gets low entropy data array that changes according to the system status.
39 
40   Arguments:    buffer - Pointer to the array that holds the data string.
41 
42   Returns:      None.
43  *---------------------------------------------------------------------------*/
44 void    OS_GetLowEntropyData(u32 buffer[OS_LOW_ENTROPY_DATA_SIZE / sizeof(u32)]);
45 
46 
47 
48 #ifdef __cplusplus
49 } /* extern "C" */
50 #endif
51 
52 /* NITRO_OS_ENTROPY_H_ */
53 #endif
54