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Low-Level

Code Snippet: Part of the QEMU Debugcon Driver written in Assembly
Programming & DevOps

The Probably Simplest x86 Driver Written in Assembly – Printing to QEMU’s debugcon-Device

This is an educational resource I wish I had when I started digging into low-level and operating systems during my early time of my studies at the university. However, dear past me, I got your back! Do you want to see a minimal way to communicate with (virtual) hardware and Read more…

By Philipp Schuster, 6 months2022-09-26 ago
Assembly Code Snippet: Use section flags if you need custom section names
Programming & DevOps

GNU ld Discards Section Containing Code – Section Flags are Important for ELF Files

Update: Since I published this article, I gained more knowledge from own research and hints from others. I adjusted the blog post. Thanks for the help! When it comes to low-level systems engineering and producing binaries, such as firmware or kernels, dealing with linkers and especially linker scripts feels like Read more…

By Philipp Schuster, 7 months2022-09-02 ago
Screenshot wambo-web.de
Programming & DevOps

Wambo Web is finally online

In the last months I worked on a project called Wambo Web. I already created Wambo, a CLI tool that helps you to easily interpret and convert numbers/bits in any possible way low-level developers often need it (Wambo on crates.io). Now I finally have a Web Version online too. In Read more…

By Philipp Schuster, 2 years2021-03-01 ago

Because this blog is a few years old and used to be a more or less personal german blog, old posts are in german. Newer posts are in english.

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