Karina
45 lines
720 B
C
45 lines
720 B
C
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
// Copyright (c) 2025 0xKarinyash
|
|
|
|
#pragma once
|
|
#ifndef GDT_H
|
|
#define GDT_H
|
|
|
|
#include "types.h"
|
|
|
|
typedef struct {
|
|
u16 limit_low;
|
|
u16 base_low;
|
|
u8 base_middle;
|
|
u8 access;
|
|
u8 granularity;
|
|
u8 base_high;
|
|
} __attribute__((packed)) GDTDescriptor;
|
|
|
|
|
|
typedef struct {
|
|
u16 limit;
|
|
u64 base;
|
|
} __attribute__((packed)) GDTPtr;
|
|
|
|
typedef struct {
|
|
u32 reserved0;
|
|
u64 rsp0;
|
|
u64 rsp1;
|
|
u64 rsp2;
|
|
u64 reserved1;
|
|
u64 ist1;
|
|
u64 ist2;
|
|
u64 ist3;
|
|
u64 ist4;
|
|
u64 ist5;
|
|
u64 ist6;
|
|
u64 ist7;
|
|
u64 reserved2;
|
|
u16 reserved3;
|
|
u16 iomap_base;
|
|
} __attribute__((packed)) TSS;
|
|
|
|
void gdt_init();
|
|
|
|
#endif |