26 lines
481 B
C
26 lines
481 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* ARM simple delay routines
|
|
*/
|
|
|
|
#ifndef SELFTEST_KVM_ARM_DELAY_H
|
|
#define SELFTEST_KVM_ARM_DELAY_H
|
|
|
|
#include "arch_timer.h"
|
|
|
|
static inline void __delay(uint64_t cycles)
|
|
{
|
|
enum arch_timer timer = VIRTUAL;
|
|
uint64_t start = timer_get_cntct(timer);
|
|
|
|
while ((timer_get_cntct(timer) - start) < cycles)
|
|
cpu_relax();
|
|
}
|
|
|
|
static inline void udelay(unsigned long usec)
|
|
{
|
|
__delay(usec_to_cycles(usec));
|
|
}
|
|
|
|
#endif /* SELFTEST_KVM_ARM_DELAY_H */
|