blob: d918f4a87d1659f454312b14f2c0b988743d3397 [file] [log] [blame]
#pragma once
#include "kint.h"
struct gdt_entry
{
ushort limit_low;
ushort base_low;
uchar base_middle;
union
{
struct
{
uint a_p : 1;
uint a_dpl : 2;
uint a_dt : 1;
uint a_type : 4;
};
uchar access;
};
union
{
struct
{
uint g_g : 1;
uint g_d : 1;
uint g_zero : 2; /* includes A */
uint g_len : 4;
};
uchar granularity;
};
uchar base_high;
} __attribute__((packed));
struct gdt_pointer
{
/* Upper 16 bits of selector limits */
ushort limit;
/* first struct gdt_entry */
uint base;
} __attribute__((packed));
struct idt_entry
{
ushort base_low;
ushort selector;
uchar zero;
union
{
struct
{
uchar f_p : 1;
uchar f_dpl : 2;
uchar f_const : 5;
};
uchar flags;
};
ushort base_high;
} __attribute__((packed));
#define IDT_F_CONST 0b00110
struct idt_pointer
{
ushort limit;
uint base;
} __attribute__((packed));
extern void isr0();
extern void isr1();
extern void isr2();
extern void isr3();
extern void isr4();
extern void isr5();
extern void isr6();
extern void isr7();
extern void isr8();
extern void isr9();
extern void isr10();
extern void isr11();
extern void isr12();
extern void isr13();
extern void isr14();
extern void isr15();
extern void isr16();
extern void isr17();
extern void isr18();
extern void isr19();
extern void isr20();
extern void isr21();
extern void isr22();
extern void isr23();
extern void isr24();
extern void isr25();
extern void isr26();
extern void isr27();
extern void isr28();
extern void isr29();
extern void isr30();
extern void isr31();
void init_descriptor_tables();
void init_idt();
void init_gdt();