Skip to content

Interrupt Descriptor Table

include/irq/idt.h

struct `idt_entry`

Member Type	Member Name
`uint16_t`	`base_low`
`uint16_t`	`selector`
`uint8_t`	`ist`
`uint8_t`	`flags`
`uint16_t`	`base_mid`
`uint32_t`	`base_high`
`uint32_t`	`reserved`

struct `idt_table`

Member Type	Member Name
`struct idt_entry`	`entries[IDT_ENTRIES]`

struct `idt_ptr`

Member Type	Member Name
`uint16_t`	`limit`
`uint64_t`	`base`

void irq_init()
void irq_load()
void idt_set_gate(uint8_t num,uint16_t sel,uint8_t flags)

Defines

IDT_ENTRIES: 256