https://github.com/backwardspy/feebos

https://github.com/backwardspy/feebos

Last synced: 6 months ago
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• Host: GitHub
• URL: https://github.com/backwardspy/feebos
• Owner: backwardspy
• Created: 2021-10-21T18:35:01.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2021-10-28T19:27:50.000Z (over 4 years ago)
• Last Synced: 2025-02-15T15:45:25.970Z (over 1 year ago)
• Language: Rust
• Size: 49.8 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md

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README

          
# ![feebas facing right](assets/feebas_right.png) feebos ![feebas facing left](assets/feebas_left.png)

like the pokemon, but it's an OS... or something. when i was writing a

hexadecimal print routine in the original bootloader, i tested it by trying to

print 0xBEEF. turns out i got it backwards and the output was reversed.

## build environment

you will need nightly rust with `rust-src` and `llvm-tools-preview` components.

example setup:

```shell

rustup toolchain install nightly

rustup default nightly

rustup component add rust-src llvm-tools-preview

```

## building and running

`cargo kclippy` to run clippy (linter)

`cargo kbuild` builds the kernel binary

`cargo kimage` builds the kernel and disk image

`cargo krun` builds the kernel and disk image, then launches it in qemu

`cargo ktest` builds the kernel and disk image, then runs the tests in a headless qemu