The Header file for Global Descriptor Table. More...

#include <basics.h>

Include dependency graph for gdt.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	gdt_entry
	The GDT Table. More...
struct	gdt_ptr
	GDT Pointer. More...

Functions
struct gdt_entry	__attribute__ ((packed))
	AHCI command header structure.
void	setup_gdt ()
	Set the up GDT for the entire OS.

Variables
int16	limit_low
uint16_t	base_low
uint8_t	base_middle
uint8_t	access
uint8_t	granularity
uint8_t	base_high
uint16_t	limit
uint64_t	base
struct gdt_entry	gdt [7]
struct gdt_ptr	gdtp

Detailed Description

The Header file for Global Descriptor Table.

Author: Pradosh (prado.nosp@m.shga.nosp@m.me@gm.nosp@m.ail..nosp@m.com)

Version: 0.1

Date: 2025-10-03

Copyright: Copyright (c) Pradosh 2025

Definition in file gdt.h.

Function Documentation

◆ attribute()

struct gdt_entry __attribute__ ( (packed) )

AHCI command header structure.

AHCI command table structure.

Physical Region Descriptor Table (PRDT) entry.

Represents the command header for a single AHCI port.

AHCI command header structure.

Definition at line 1 of file ahci.h.

Variable Documentation

◆ access

uint8_t access

Definition at line 3 of file gdt.h.

◆ base

uint64_t base

Definition at line 1 of file gdt.h.

◆ base_high

uint8_t base_high

Definition at line 5 of file gdt.h.

◆ base_low

uint16_t base_low

Definition at line 1 of file gdt.h.

◆ base_middle

uint8_t base_middle

Definition at line 2 of file gdt.h.

◆ granularity

uint8_t granularity

Definition at line 4 of file gdt.h.

◆ limit

uint16_t limit

Definition at line 0 of file gdt.h.

◆ limit_low

int16 limit_low