idt_gate_t Struct Reference

IDT gate structure. More...

#include <idt.h>

Collaboration diagram for idt_gate_t:

Data Fields
uint16_t	offsetLow
	Lower 16 bits of handler function address.
uint16_t	codeSegment
	Code segment selector in the GDT.
uint8_t	ist
	Interrupt Stack Table offset, 0 = dont use IST, see tss_t.
uint8_t	attributes
	Type and attributes, see idt_attributes_t.
uint16_t	offsetMid
	Middle 16 bits of handler function address.
uint32_t	offsetHigh
	Upper 32 bits of handler function address.
uint32_t	reserved

Detailed Description

IDT gate structure.

Represents a single entry in the IDT.

Definition at line 57 of file idt.h.

Field Documentation

offsetLow

uint16_t idt_gate_t::offsetLow

Lower 16 bits of handler function address.

Definition at line 59 of file idt.h.

codeSegment

uint16_t idt_gate_t::codeSegment

Code segment selector in the GDT.

Definition at line 60 of file idt.h.

ist

uint8_t idt_gate_t::ist

Interrupt Stack Table offset, 0 = dont use IST, see tss_t.

Definition at line 61 of file idt.h.

attributes

uint8_t idt_gate_t::attributes

Type and attributes, see idt_attributes_t.

Definition at line 62 of file idt.h.

offsetMid

uint16_t idt_gate_t::offsetMid

Middle 16 bits of handler function address.

Definition at line 63 of file idt.h.

offsetHigh

uint32_t idt_gate_t::offsetHigh

Upper 32 bits of handler function address.

Definition at line 64 of file idt.h.

reserved

uint32_t idt_gate_t::reserved

Definition at line 65 of file idt.h.

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

• include/kernel/cpu/idt.h