idt.c File Reference

#include "idt.h"
#include <stdint.h>

Data Structures
struct	idt_gate_t
struct	idt_register_t

Macros
#define	KERNEL_CS   0x08
	Kernel code segemnt selector.
#define	IDT_ENTRIES   256
	Number of entries in the IDT.
#define	LOW_16(address)   (uint16_t)((address) & 0xFFFF)
	Macro to get the low 16 bits of an address.
#define	HIGH_16(address)   (uint16_t)(((address) >> 16) & 0xFFFF)
	Macro to get the high 16 bits of an address.

Functions
void	idt_set_gate (int n, uint32_t handler)
void	load_idt ()

Variables
static idt_gate_t	idt [IDT_ENTRIES]
	The IDT.
static idt_register_t	idt_reg
	The value to load into the IDTR.

Function Documentation

idt_set_gate()

void idt_set_gate	(	int	n,
		uint32_t	handler
	)

Sets an IDT gate.

Parameters

n	the IDT gate to set
handler	the handler for the gate.

load_idt()

void load_idt

(

)

Loads the IDT