DIV_MASK_ALL
wait_until_divider_stable(base + regs->div_stat_cpu0, DIV_MASK_ALL);
DIV_MASK_ALL);
wait_until_divider_stable(base + regs->div_stat_cpu0, DIV_MASK_ALL);
wait_until_divider_stable(base + regs->div_stat_cpu1, DIV_MASK_ALL);