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软中断&定时器重构 (#223)

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* 软中断&定时器重构

Co-authored-by: houmkh<houjiaying@DragonOS.org>

* 修改timer的clock()

* 删除debug信息

---------

Co-authored-by: houmkh <1119644616@qq.com>
This commit is contained in:
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2023-04-02 17:09:33 +08:00
committed by GitHub
parent 6d345b7742
commit bacd691c9e
33 changed files with 896 additions and 672 deletions
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16
kernel/src/arch/x86_64/cpu.rs
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@ -1,18 +1,12 @@
use core::arch::asm;
use super::asm::current::current_pcb;
/// @brief 获取当前cpu的apic id
#[inline]
pub fn current_cpu_id() -> u8 {
let cpuid_res: u32;
unsafe {
asm!(
"mov eax, 1",
"cpuid",
"mov r15, rbx",
lateout("r15") cpuid_res
);
}
return ((cpuid_res >> 24) & 0xff) as u8;
pub fn current_cpu_id() -> u32 {
// TODO: apic重构后，使用apic id来设置这里
current_pcb().cpu_id as u32
}
/// @brief 通过pause指令，让cpu休息一会儿。降低空转功耗