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#if defined(AARCH64) || defined(aarch64)
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#include <runtime.h>
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unsigned long long int
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__getcycles(void)
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{
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unsigned long long virtual_timer_value;
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asm volatile("mrs %0, cntvct_el0" : "=r"(virtual_timer_value));
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return virtual_timer_value;
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}
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#endif
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