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Bringing an x86_64 Kernel Online: Boot, Paging, Interrupts and SMP in Mesh

March 11, 2026 · Operating Systems · 21 min read

A walkthrough of the early boot path in Mesh, from the Limine entry point to paging, descriptor tables, APIC interrupt routing, and startup.

• x86-64
• Kernel
• Paging
• SMP
• APIC
• Limine