CPU State TUI

January 14, 2026 ยท View on GitHub

Built With Ratatui

Baremetal program to visualize x86_64 CPU state. Written in Rust with bootloader-rs and ratatui.

Co-authored by Claude Opus 4.5 using GitHub's copilot-cli project.

Build

It will create a bootable bios.img.

make

Run

Spawn in QEMU w/ -accel KVM/MSHV. Only bios boot is supported for now.

make run
  • j / k: Move down / up
  • ctrl + f / b: Page down / up
  • gg / G: Go to top / bottom
  • / : Search
  • n / N: Next / previous search result

Screenshots

Search in CPUID pane

screenshot 1

Timer pane

screenshot 2