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docs: update 02_硬件wiki/00_硬件知识/01_CPU/00_CPU
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DSOE1024 authored and wiki committed Nov 30, 2023
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title: 00_CPU
description: CPU基础知识
published: true
date: 2023-11-30T22:40:57.489Z
date: 2023-11-30T22:43:07.933Z
tags: 处理器, 硬件
editor: markdown
dateCreated: 2022-05-05T04:18:12.514Z
Expand All @@ -22,6 +22,8 @@ ARM处理器主要用于移动端,网络设施以及低功耗设备。目前

LoongArch处理器是我国自主研发的CPU架构,目前已经得到很多主流开源社区的支持,Linux kernel 5.19已经初步支持龙芯架构

RISC-V处理器近年来迅速发展,许多RISC-V处理器出现在市场

## CPU中断
中断其实就是由硬件或软件所发送的一种称为IRQ(中断请求)的信号。 中断允许让设备,如键盘,串口卡,并口等设备表明它们需要CPU。 一旦CPU接收了中断请求,CPU就会暂时停止执行正在运行的程序,并且调用一个称为中断处理器或中断服务程序(interrupt service routine)的特定程序

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