linux/linux-5.4.31/arch/powerpc/include/asm/timex.h

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2024-01-30 10:43:28 +00:00
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_TIMEX_H
#define _ASM_POWERPC_TIMEX_H
#ifdef __KERNEL__
/*
* PowerPC architecture timex specifications
*/
#include <asm/cputable.h>
#include <asm/reg.h>
#define CLOCK_TICK_RATE 1024000 /* Underlying HZ */
typedef unsigned long cycles_t;
static inline cycles_t get_cycles(void)
{
if (IS_ENABLED(CONFIG_BOOK3S_601))
return 0;
return mftb();
}
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_TIMEX_H */