waterxjw.github.io's People
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四月杂记 | 雯雯的垃圾桶
https://waterxjw.github.io/2020/04/24/si-yue-za-ji/
其实说是四月杂记可能不太合适,本文会记录从寒假到现在的乱七八糟的事情。
生活开车放假回来干的最正确的一件事可能就是尽早的去考了科四拿到了驾照,不然这几个月沂南的路上就会少一个马路杀手了(不是
开车上路的感觉竟然如此舒适,一开始只敢开大路,开
操作系统实验二问题清单 | 雯雯的垃圾桶
https://waterxjw.github.io/2019/11/12/shi-yan-er-wen-ti-qing-dan/
- 实模式与保护模式实模式基址加偏移量就可以直接拿到物理地址的模式
缺点:不安全
保护模式不能直接拿到物理地址,需要进行地址转换,是现代操作系统的主要模式。
选择子放在段选择寄存器里,16位,包含请求特权级,是GDT还是LDT,以及描述符
contact | 雯雯的垃圾桶
https://waterxjw.github.io/contact/
contact | 雯雯的垃圾桶
关于博客 | 雯雯的垃圾桶
操作系统实验二问题清单 | 雯雯的垃圾桶
https://waterxjw.github.io/2019/11/11/shi-yan-er-wen-ti-qing-dan/
- 实模式与保护模式实模式基址加偏移量就可以直接拿到物理地址的模式
缺点:不安全
保护模式不能直接拿到物理地址,需要进行地址转换,是现代操作系统的主要模式。
选择子放在段选择寄存器里,16位,包含请求特权级,是GDT还是LDT,以及描述符
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