#pragma once

#include <stdint.h>

typedef struct
{
    uint64_t r15, r14, r13, r12, r11, r10, r9, r8;
    uint64_t rbp, rdi, rsi, rdx, rcx, rbx, rax;
    uint64_t int_no;
    uint64_t err_code;
    uint64_t rip, cs, rflags, rsp, ss;
} __attribute__((packed)) isr_frame_t;

typedef void (*irq_handler_t)(isr_frame_t*);

void init_idt(void);

static inline void outb(uint16_t port, uint8_t val)
{
    __asm__ volatile("outb %0, %1" : : "a"(val), "Nd"(port));
}

static inline uint8_t inb(uint16_t port)
{
    uint8_t ret;
    __asm__ volatile("inb %1, %0" : "=a"(ret) : "Nd"(port));
    return ret;
}

void register_irq_handler(uint8_t irq, irq_handler_t handler);