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ARM_Kernel

Simple ARM_Kernel

基于ARM架构的操作系统

Demo

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代码使用环境

该OS运行在基于ARMv7a的ZYNQ7000的开发板上

请先用gcc编译出具有ARMv7a的交叉编译器

OS实现的功能

该OS只是为了了解一个简单的底层OS的实现原理

目前实现的功能有:

  1. Memory Management Unit(MMU)

  2. Memory allocation(first fit algorithm)

  3. Two level page table

  4. Interrupt & Vector table (can handle IRQ&SWI Interrupt)

  5. Timer Interrupt

  6. Start CPU1 & Spinlock

  7. Processes schedule(round-robin algorithm)

  8. init process & console

  9. Simple file management

  10. Some system calls such as fork(),exec(),puts(),getline(),ls(),ps(),wait()

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A mini OS on ARM platform

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