Architecture deep dives
| Page | What it covers |
|---|---|
| boot-flow | GRUB -> boot.S -> mb2 -> kmain, the two-stage link |
| memory | PMM, VMM, heap, growth-by-fault, DMA bounds |
| scheduler | the model, ticks, policy watchdog, signals |
| interrupts | IDT/IST, PIC/LAPIC, the exception path |
| syscall-ring3 | ABI, ELF loading, processes, ld.so |
| vfs | the VFS contract + each filesystem's real behaviour |
| network-stack | layer by layer, NIC drivers to TLS/SSH |
| driver-model | registration surfaces, PCI/USB cores |
| tui-engine | windows, widgets, desktop, the bridge |
| chinese-layer | font/encoding/IME pieces, both worlds |
| crash-recovery | panic path, IST rationale, posture |
| ota-ab | slots, flags, the update chain |