core/thread/idle_thread.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

#include "thread.h"
#include <limits.h>
#include <sys/cpu.h>

static void default_idle_thread_hook(void)
{
}

void (*idle_thread_hook)(void) = default_idle_thread_hook;

static void idle_thread_func(void *dummy)
{
    (void)dummy;

    for (;;) {
	cli();
	idle_thread_hook();
	__schedule();
	asm volatile("sti ; hlt" : : : "memory");
    }
}

void start_idle_thread(void)
{
    start_thread("idle", 4096, IDLE_THREAD_PRIORITY, idle_thread_func, NULL);
}