#ifndef GDT_H
#define GDT_H

#include <stdint.h>

/* GDT Entry Structure */
struct gdt_entry {
    uint16_t limit_low;
    uint16_t base_low;
    uint8_t  base_middle;
    uint8_t  access;
    uint8_t  granularity;
    uint8_t  base_high;
} __attribute__((packed));

/* GDT Pointer Structure */
struct gdt_ptr {
    uint16_t limit;
    uint32_t base;
} __attribute__((packed, aligned(1)));

/* Initialize GDT */
void init_gdt(void);

/* Set a GDT gate (also used by TSS setup) */
void gdt_set_gate(int32_t num, uint32_t base, uint32_t limit, uint8_t access, uint8_t gran);

#endif // GDT_H