descriptor_gdt_code Struct Reference

code segment descriptor for gdt More...

#include <descriptor.h>

Public Attributes
uint32_t	unused1
	1/0-31 are unused
uint8_t	unused2: 8
	2/0-7 aka 32-39 are unused
uint8_t	unused3: 1
	2/8 aka 40 is unused
uint8_t	readable: 1
	2/9 aka 41 readable bit
uint8_t	conforming: 1
	2/10 aka 42 conforming allow diffrent levels run code
uint8_t	always1: 2
	2/11-12 aka 43-44 are always 1
uint8_t	dpl: 2
	2/13-14 aka 45-46 bits are for privilage levels
uint8_t	present: 1
	2/15 aka 47 the page or page table is present?
uint8_t	unused4: 4
	2/16-19 aka 48-51 are unused
uint8_t	avl: 1
	2/20 aka 52 are avl bits aka unused
uint8_t	long_mode: 1
	2/21 aka 53 this bit is always 1 for long mode
uint8_t	default_opsize: 1
	2/22 aka 54 this bit is always 0 for long mode
uint8_t	unused5: 1
	2/23 aka 55 is unused
uint8_t	unused6
	2/24-31 aka 56-63 is unused

Detailed Description

code segment descriptor for gdt

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

• includes/cpu/descriptor.h