seminix 0.1.58

seminix 内核标准库
Documentation 
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

use core::sync::atomic::{self, Ordering};

use super::barrier;

#[inline(always)]
pub(crate) fn arch_set_my_processor_id(_: usize) {}

#[inline(always)]
pub(crate) fn arch_my_processor_id() -> usize {
    unreachable!()
}

#[inline(always)]
pub(crate) fn arch_cpu_relax() {
    unreachable!()
}

#[inline(always)]
pub(crate) fn arch_cpu_wfe() {
    unreachable!()
}

#[inline(always)]
pub(crate) fn arch_smp_mb_acquire() {
    barrier();
    atomic::fence(Ordering::Acquire);
}

#[inline(always)]
pub(crate) fn arch_smp_mb_release() {
    barrier();
    atomic::fence(Ordering::Release);
}

#[inline(always)]
pub(crate) fn arch_smp_mb() {
    barrier();
    atomic::fence(Ordering::SeqCst);
}

#[inline(always)]
pub(crate) fn arch_isb() {
    barrier();
}