Function _start

tests/system_test/main.cpp:263–274

std::atomic_flag primary_booted_ = ATOMIC_FLAG_INIT;

auto _start(int argc, const char** argv) -> void {
  if (!primary_booted_.test_and_set(std::memory_order_acquire)) {
    CppInit();
    main(argc, argv);
  } else {
    main_smp(argc, argv);
  }

  while (true) {
    cpu_io::Pause();
  }
}

auto main(int argc, const char** argv) -> int {
  per_cpu::PerCpuArraySingleton::create();