23 lines
546 B
C
23 lines
546 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_TIMEX_H
|
|
#define _ASM_X86_TIMEX_H
|
|
|
|
#include <asm/processor.h>
|
|
#include <asm/tsc.h>
|
|
|
|
static inline unsigned long random_get_entropy(void)
|
|
{
|
|
if (!IS_ENABLED(CONFIG_X86_TSC) &&
|
|
!cpu_feature_enabled(X86_FEATURE_TSC))
|
|
return random_get_entropy_fallback();
|
|
return rdtsc();
|
|
}
|
|
#define random_get_entropy random_get_entropy
|
|
|
|
/* Assume we use the PIT time source for the clock tick */
|
|
#define CLOCK_TICK_RATE PIT_TICK_RATE
|
|
|
|
#define ARCH_HAS_READ_CURRENT_TIMER
|
|
|
|
#endif /* _ASM_X86_TIMEX_H */
|