mirror of https://github.com/F-Stack/f-stack.git
18 lines
312 B
C
18 lines
312 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2015 Cavium, Inc
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*/
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#include "eal_private.h"
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uint64_t
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get_tsc_freq_arch(void)
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{
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#if defined RTE_ARCH_ARM64 && !defined RTE_ARM_EAL_RDTSC_USE_PMU
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uint64_t freq;
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asm volatile("mrs %0, cntfrq_el0" : "=r" (freq));
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return freq;
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#else
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return 0;
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#endif
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}
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