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title: <2023秋冬季开源操作系统训练营总结报告-Shl> | ||
date: 2024-01-07 15:09:48 | ||
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#Unikernel 总结报告 | ||
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经过若干天关于unikernel的学习,对于单一特权级的操作系统有了全新认识完成了练习1-5,练习分别为:支持彩色打印、支持HashMap、修改内存分配算法、增加一个axdtb的模块组件、修改fifo算法通过ex5测试应用 | ||
## 练习心得 | ||
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练习了修改代码、不断检错纠错能力和熟悉了unikernel启动流程、单一特权级、单一应用、单一地址空间的操作系统的工作流程、练习一完成了`axstd::println`的修改、练习二;通过阅读标准库HashMap加以修改、连续三实现earlyallocator的内存分配方法、修改协作式调度为抢占式调度运行ex5程序、 | ||
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##实验心得 | ||
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实验一和二,将程序数据按照一定格式保存到app.bin文件中修改汇编指令,加载外部应用,实现app loader的外部应用加载器;实验三为公国ABI调用ArceOS功能,两个医用一个是`nop`、一个是`wfi`;实验四、实现`sys_hello`和`sys_putchar`、`sys_terminate`功能调用,通过std::process::exit退出ArceOS;实验五为改造应用hello_app,建立独立页表,把系统调用包装成函数,通过初始化和切换函数实现程序 |