Dev Tutorial: Building an OS Kernel Entry Point in Rust and Assembly

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A developer tutorial series on building an operating system from scratch using Rust has released its second installment, focusing on the kernel entry point. The guide explains that while Part 1 established the OS foundation by breaking free from Rust's standard library, Part 2 dives into low-level CPU concepts such as registers, the stack, the program counter, and instruction sets. The author notes that kernel-space programming offers no abstractions, requiring developers to manually control everything the OS would normally handle invisibly. Source code for this part is available on GitHub for readers to follow along. The tutorial acknowledges that some Assembly code is necessary at this stage, as Rust alone cannot fully handle the early boot process where a stack has not yet been set up.

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