-rw-r--r-- 358 libcpucycles-20230110/cpucycles/arm64-vct.c raw
// version 20230105
// public domain
// djb
// adapted from supercop/cpucycles/vct.c

#include "cpucycles_internal.h"

long long ticks(void)
{
  long long result;
  asm volatile("mrs %0, CNTVCT_EL0" : "=r" (result));
  return result;
}

long long ticks_setup(void)
{
  if (!cpucycles_works(ticks)) return cpucycles_SKIP;
  return cpucycles_FINDMULTIPLIER;
}