x86_gdt_entry Struct Reference

A segment descriptor, an entry of the GDT. More...

#include <cpu.h>

Data Fields
uint32_t	limit_lo: 16
uint32_t	base_lo: 16
uint32_t	base_mid: 8
uint32_t	type: 4
uint32_t	s: 1
uint32_t	dpl: 2
uint32_t	p: 1
uint32_t	limit_hi: 4
uint32_t	avl: 1
uint32_t	l: 1
uint32_t	db: 1
uint32_t	g: 1
uint32_t	base_hi: 8

Detailed Description

A segment descriptor, an entry of the GDT.

Definition at line 74 of file cpu.h.

Field Documentation

avl

uint32_t x86_gdt_entry::avl

Definition at line 85 of file cpu.h.

base_hi

uint32_t x86_gdt_entry::base_hi

Definition at line 89 of file cpu.h.

Referenced by segment_set().

base_lo

uint32_t x86_gdt_entry::base_lo

Definition at line 76 of file cpu.h.

Referenced by segment_set().

base_mid

uint32_t x86_gdt_entry::base_mid

Definition at line 78 of file cpu.h.

Referenced by segment_set().

db

uint32_t x86_gdt_entry::db

Definition at line 87 of file cpu.h.

Referenced by x86_gdt_setup().

dpl

uint32_t x86_gdt_entry::dpl

Definition at line 81 of file cpu.h.

Referenced by x86_gdt_setup().

g

uint32_t x86_gdt_entry::g

Definition at line 88 of file cpu.h.

l

uint32_t x86_gdt_entry::l

Definition at line 86 of file cpu.h.

limit_hi

uint32_t x86_gdt_entry::limit_hi

Definition at line 84 of file cpu.h.

Referenced by segment_set().

limit_lo

uint32_t x86_gdt_entry::limit_lo

Definition at line 75 of file cpu.h.

Referenced by segment_set().

p

uint32_t x86_gdt_entry::p

Definition at line 82 of file cpu.h.

Referenced by x86_gdt_setup().

s

uint32_t x86_gdt_entry::s

Definition at line 80 of file cpu.h.

Referenced by x86_gdt_setup().

type

uint32_t x86_gdt_entry::type

Definition at line 79 of file cpu.h.

Referenced by x86_gdt_setup().

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The documentation for this struct was generated from the following file:

• kernel/arch/i386/include/cpu/cpu.h