IDT::InterruptDescriptor Struct Reference

Public Attributes
uint16_t	address_low
	lower interrupt function offset
uint16_t	selector
	code segment selector in GDT or LDT
union {
struct {
uint8_t	ist: 3
	IST Index (64 bit).
uint8_t	: 5
	unused, has to be 0
Gate	type: 3
	gate type
GateSize	size: 1
	gate size
uint8_t	: 1
	unused, has to be 0
DPL	dpl: 2
	descriptor privilege level
uint8_t	present: 1
	present: 1 for interrupts
}
uint16_t	flags
};
uint64_t	address_high: 48
	higher interrupt function offset
uint64_t	: 0
	fill until aligned with 64 bit

Member Data Documentation

address_low

uint16_t IDT::InterruptDescriptor::address_low

lower interrupt function offset

selector

uint16_t IDT::InterruptDescriptor::selector

code segment selector in GDT or LDT

[union]

union { ... } IDT::InterruptDescriptor

address_high

uint64_t IDT::InterruptDescriptor::address_high

higher interrupt function offset

__pad0__

uint64_t IDT::InterruptDescriptor::__pad0__

fill until aligned with 64 bit

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

• machine/idt.cc