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吾自草创,成三十二位之操作系统,以吾母之名名之。
Gyimah-Benja · 2026-05-24 · via DEV Community

Gyimah-Benjamin

肇始

数月前,吾未知引导程序为何物。
今吾得一可行之卅二位操作系统名曰
简奥斯 —— 以吾母之名,其助吾甚深
通途之程。

何谓JanOS?

JanOS者,乃一32位x86之操作系统也,其构建完备。
自创于 C 及 x86 汇编。无框架。
无捷径。每行所撰,必有所悟。

其所能为

  • 自制引导程序,以 LBA 载入内核
  • 32 位保护模式,配 GDT
  • FAT12 文件系统(读、写、删文件)
  • 自制 ATA 驱动,达持久存储之效
  • 十以上指令之壳
  • 分页内存管理
  • 硬件光标
  • 带换档支持之键盘
  • 箭头键导航历史
  • 屏幕滚动

最难之处

使文件于重启后持久存留乃最大
之挑战。吾须撰定制ATA驱动程序以
直通磁盘控制器硬件,经由
端口。无BIOS,无捷径,唯本真之硬件
沟通。

所悟

  • CPU实如何启动
  • 内存实如何管理
  • 文件实如何存于盘
  • 键盘输入实如何运作

视频

屏幕截图

接下来何为

  • IDT (中断处理)
  • 多任务
  • 图形界面

亲试之

GitHub: https://github.com/Gyimah-Benjamin/JanOS


尚在建设之中。此乃初肇 🚀