xref: /OK3568_Linux_fs/kernel/arch/nios2/include/asm/timex.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /* Copyright Altera Corporation (C) 2014. All rights reserved.
3*4882a593Smuzhiyun  */
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifndef _ASM_NIOS2_TIMEX_H
6*4882a593Smuzhiyun #define _ASM_NIOS2_TIMEX_H
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun typedef unsigned long cycles_t;
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun extern cycles_t get_cycles(void);
11*4882a593Smuzhiyun #define get_cycles get_cycles
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define random_get_entropy() (((unsigned long)get_cycles()) ?: random_get_entropy_fallback())
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #endif
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