https://github.com/jzck/kernel-zig

:floppy_disk: hobby x86 kernel zig
https://github.com/jzck/kernel-zig

kernel x86 zig

Last synced: 6 days ago
JSON representation

:floppy_disk: hobby x86 kernel zig

• Host: GitHub
• URL: https://github.com/jzck/kernel-zig
• Owner: jzck
• Created: 2019-05-10T23:12:21.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2023-08-21T22:29:23.000Z (over 1 year ago)
• Last Synced: 2024-12-29T22:29:39.696Z (13 days ago)
• Topics: kernel, x86, zig
• Language: Zig
• Homepage:
• Size: 171 KB
• Stars: 429
• Watchers: 11
• Forks: 15
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-zig - jzck/kernel-zig
• awesome-zig - kernel-zig🗒️hobby x86 kernel zig

README

        
# hobby kernel in zig

# WARNING: this project was written for zig 0.5, it doesn't compile for future versions

![screenshot](screenshot.png)

### features

 - 80x25 frame buffer

 - ps2 keyboard driver

 - terminal console

 - lspci

 - x86

   - MMU

   - interrupts

   - pit timer

 - scheduler

   - time slice preemption with round robin

   - sleep()

   - block()/unblock()

 - Storage

   - IDE ATA driver (in progress)

### dependencies

  - [ziglang](https://github.com/ziglang/zig) 0.5.0

### compiling

`zig build` compiles and links the multiboot kernel (without a bootloader)

### running

 - `./qemu.sh start`

 - `./qemu.sh monitor`

 - `./qemu.sh quit`

 - `gdb` (see provided `.gdbinit`)

# Notes

## interrupt call chain

`interrupt` -> `idt[n]` -> `isrN` -> `isrDispatch` -> `handlers[n]` (default `unhandled()`)

## References

 - zig microkernel: https://github.com/AndreaOrru/zen

 - scheduling tutorial: https://wiki.osdev.org/Brendan%27s_Multi-tasking_Tutorial

 - booting/paging/interrupts: https://os.phil-opp.com/