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## 11. 80386 specific details

## 11.1 Boot procedure

    bbootsect.s [arch/i386/boot]
    setup.S (+video.S)
    head.S (+misc.c) [arch/i386/boot/compressed]
    start_kernel [init/main.c]

## 11.2 80386 (and more) Descriptors

### Overview

Descriptors are data structure used by Intel microprocessor i386+ to virtualize memory.

### Kind of descriptors

- GDT (Global Descriptor Table)
- LDT (Local Descriptor Table)
- IDT (Interrupt Descriptor Table)

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