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- /* 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 */
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