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![tetsuoai Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1587601034339561472.png) Tetsuo [@tetsuoai](/creator/twitter/tetsuoai) on x 124.5K followers
Created: 2025-07-14 23:21:00 UTC

Seeing how far I can take an OS build with Grok4 Heavy. So far I've built the cross‑compiler, kernel entry, and some basic kernel code. I'm now working on the global descriptor table.

It boots on real hardware!

![](https://pbs.twimg.com/media/Gv2pm2mWsAE6n3n.jpg)

XXXXX engagements

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**Related Topics**
[hardware](/topic/hardware)
[boots](/topic/boots)

[Post Link](https://x.com/tetsuoai/status/1944899962828906506)