kstat_t krhino_init(void)
{
g_sys_stat = RHINO_STOPPED;
#if (RHINO_CONFIG_USER_HOOK > 0)
krhino_init_hook();
#endif
runqueue_init(&g_ready_queue);
tick_list_init();
#if (RHINO_CONFIG_SYSTEM_STATS > 0)
kobj_list_init();
#endif
#if (RHINO_CONFIG_MM_TLF > 0)
k_mm_init();
#endif
#if (RHINO_CONFIG_KOBJ_DYN_ALLOC > 0)
klist_init(&g_res_list);
krhino_sem_create(&g_res_sem, "res_sem", 0);
dyn_mem_proc_task_start();
#endif
#if (RHINO_CONFIG_CPU_NUM > 1)
for (uint8_t i = 0; i < RHINO_CONFIG_CPU_NUM; i++) {
krhino_task_cpu_create(&g_idle_task[i], "idle_task", NULL, RHINO_IDLE_PRI, 0,
&g_idle_task_stack[i][0], RHINO_CONFIG_IDLE_TASK_STACK_SIZE,
idle_task, i, 1u);
}
#else
krhino_task_create(&g_idle_task[0], "idle_task", NULL, RHINO_IDLE_PRI, 0,
&g_idle_task_stack[0][0], RHINO_CONFIG_IDLE_TASK_STACK_SIZE,
idle_task, 1u);
#endif
#if (RHINO_CONFIG_WORKQUEUE > 0)
workqueue_init();
#endif
#if (RHINO_CONFIG_TIMER > 0)
ktimer_init();
#endif
#if (RHINO_CONFIG_CPU_USAGE_STATS > 0)
cpu_usage_stats_start();
#endif
rhino_stack_check_init();
return RHINO_SUCCESS;
}
// set the int 0 timer to trigger a bit more than every ~53ms
void setup_timer() {
// 1.193182 MHz input clock
// divide by 1193 (0x04a9) to get around 1000Hz (~1000.15256 Hz)
kdebug("setting int0 timer ");
pic_mask_interrupt(INT_TIMER);
outb(0x43, 0x34); // 00110100b - chan 0, freq. divider, set lo/hi byte
outb(0x40, 0xa9); // Low byte of divider to chan 0 reload value
outb(0x40, 0x04); // High byte of divider to chan 0 reload value
kdebug("initialising ktimers");
/* Say we call it every 1000 useconds, when we really do every 999.847 useconds) */
ktimer_init(1000);
add_handler(INTR_BASE + INT_TIMER, &early_timer_isr);
pic_unmask_interrupt(INT_TIMER);
}
void ktimer_event_init()
{
ktable_init(&ktimer_event_table);
ktimer_init();
softirq_register(KTE_SOFTIRQ, ktimer_event_handler);
}
