[linux-2.6-block.git] / arch / x86 / include / asm / timex.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1965aae3 PA	2	#ifndef _ASM_X86_TIMEX_H
1965aae3 PA	3	#define _ASM_X86_TIMEX_H
2f0798a3 TG	4
	5	#include <asm/processor.h>
	6	#include <asm/tsc.h>
	7
3bd4abc0 JD	8	static inline unsigned long random_get_entropy(void)
	9	{
	10	if (!IS_ENABLED(CONFIG_X86_TSC) &&
	11	!cpu_feature_enabled(X86_FEATURE_TSC))
	12	return random_get_entropy_fallback();
	13	return rdtsc();
	14	}
	15	#define random_get_entropy random_get_entropy
	16
08604bd9	17	/* Assume we use the PIT time source for the clock tick */
e1b4d114	18	#define CLOCK_TICK_RATE PIT_TICK_RATE
2f0798a3	19
941e492b	20	#define ARCH_HAS_READ_CURRENT_TIMER
2f0798a3	21
1965aae3	22	#endif /* _ASM_X86_TIMEX_H */