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Interrupt Descriptor Table

include/irq/idt.h View source View on GitHub

Structs

Section titled “Structs”

idt_entry

Section titled “idt_entry”
struct idt_entry {
    uint16_t  base_low;
    uint16_t  selector;
    uint8_t   ist;
    uint8_t   flags;
    uint16_t  base_mid;
    uint32_t  base_high;
    uint32_t  reserved;
};

idt_table

Section titled “idt_table”
struct idt_table {
    struct idt_entry  entries[IDT_ENTRIES];
};

idt_ptr

Section titled “idt_ptr”
struct idt_ptr {
    uint16_t  limit;
    uint64_t  base;
};

Functions

Section titled “Functions”

irq_init

Section titled “irq_init”
void irq_init();

irq_load

Section titled “irq_load”
void irq_load();

idt_set_gate

Section titled “idt_set_gate”
void idt_set_gate(uint8_t num, uint16_t sel, uint8_t flags);

Macros

Section titled “Macros”

IDT_ENTRIES

Section titled “IDT_ENTRIES”
#define IDT_ENTRIES 256