idt.h

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#pragma once
 
#include <kernel/cpu/interrupt.h>
#include <kernel/defs.h>
 
#include <stdint.h>
 
typedef enum
{
    IDT_ATTR_INTERRUPT = 0b1110, 
    IDT_ATTR_TRAP = 0b1111,      
 
    IDT_ATTR_RING0 = 0b00, 
    IDT_ATTR_RING1 = 0b01, 
    IDT_ATTR_RING2 = 0b10, 
    IDT_ATTR_RING3 = 0b11, 
 
    IDT_ATTR_PRESENT = 1 << 7 
} idt_attributes_t;
 
typedef struct PACKED
{
    uint16_t size;   
    uint64_t offset; 
} idt_desc_t;
 
typedef struct PACKED
{
    uint16_t offsetLow;   
    uint16_t codeSegment; 
    uint8_t ist;          
    uint8_t attributes;   
    uint16_t offsetMid;   
    uint32_t offsetHigh;  
    uint32_t reserved;
} idt_gate_t;
 
typedef struct PACKED
{
    idt_gate_t entries[INTERRUPT_AMOUNT];
} idt_t;
 
void idt_init(void);
 
void idt_cpu_load(void);