#include #include "isr.h" #include "timer.h" uint64_t current_tick_data = 0; const uint64_t *current_tick = ¤t_tick_data; static void timer_callback(struct regs_t regs) { (void) regs; ++current_tick_data; } void timer_init(void) { set_interrupt_handler(IRQ(0), timer_callback); }