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Int_descriptor Class Reference

Int_descriptor is a single entry in the interrupt descriptor table (IDT). More...

#include <irq.h>

List of all members.

Public Methods

void set_handler (void *handler)

Public Attributes

unsigned handler_low: 16

unsigned handler_selector: 16

unsigned unused: 8

unsigned access_type: 8

unsigned handler_high: 16

Static Public Attributes

const unsigned short int INTERRUPT_GATE = 0x8e

const unsigned short int TRAP_GATE = 0x8f

Detailed Description

Int_descriptor is a single entry in the interrupt descriptor table (IDT).

Member Function Documentation

void Int_descriptor::set_handler ( void * handler ) [inline]

Set the interrupt handler and set its segement selector based on the current code segment.

Member Data Documentation

unsigned Int_descriptor::access_type

interrupt, trap, etc.

unsigned Int_descriptor::handler_high

high 2 bytes of handler addr.

unsigned Int_descriptor::handler_low

low 2 bytes of handler addr.

unsigned Int_descriptor::handler_selector

segment selector of handler.

const unsigned short int Int_descriptor::INTERRUPT_GATE = 0x8e [static]

const unsigned short int Int_descriptor::TRAP_GATE = 0x8f [static]

unsigned Int_descriptor::unused

unused byte; set to zero.

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

irq.h

Public Methods
void	set_handler (void *handler)
Public Attributes
unsigned	handler_low: 16
unsigned	handler_selector: 16
unsigned	unused: 8
unsigned	access_type: 8
unsigned	handler_high: 16
Static Public Attributes
const unsigned short int	INTERRUPT_GATE = 0x8e
const unsigned short int	TRAP_GATE = 0x8f