descriptor_tss_t Struct Reference

64 bit tss descriptor More...

#include <task.h>

Public Attributes
uint16_t	segment_limit1: 16
	segment limit bits 0-15
uint32_t	base_address1: 24
	base address bits 0-23
uint8_t	type: 4
	tss type 0x9 in bits
uint8_t	always0_1: 1
uint8_t	dpl: 2
	privilage level
uint8_t	present: 1
	2/15 aka 47 is always 1
uint8_t	segment_limit2: 4
	segment limit bits 16-19
uint8_t	unused1: 1
	unused bit os can use it
uint8_t	always0_2: 2
uint8_t	long_mode: 1
	this bit is always 1 for long mode aka granularity
uint64_t	base_address2: 40
	base address bits 24-63
uint8_t	reserved0: 8
	reserved bits
uint16_t	always0_3: 5
	always zero
uint32_t	reserved1: 19
	reserved bits

Detailed Description

64 bit tss descriptor

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

• includes/cpu/task.h