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