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Ways of Implementing a System Call
Today, we’re going to look at the many ways of implementing user-to-kernel transitions on x86, i.e. system calls. Let’s first quickly review what system calls actually need to accomplish.
x86.lol
I’m blogging about low-level topics and my operating system projects on x86 and RISC-V.
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2
The Polyglot NixOS
Recently a colleague mentioned building NixOS images that run unchanged on multiple architectures. Given the past adventures on this blog with systemd-repart and cross-compiling NixOS, I decide to give this a go.