Files
my-os-project2/kernel/hal/x86_64/gdt.h

27 lines
402 B
C

#ifndef HAL_GDT_H_
#define HAL_GDT_H_
#define KCODE 0x08
#define KDATA 0x10
#define UCODE 0x18
#define UDATA 0x20
#define TSS 0x28
typedef struct {
uint32_t resv0;
uint64_t rsp0;
uint64_t rsp1;
uint64_t rsp2;
uint64_t resv1;
uint64_t ist[7];
uint64_t resv2;
uint16_t resv3;
uint16_t iopb_off;
} PACKED Tss;
ALIGNED(16) extern Tss tss;
void gdt_init(void);
#endif // HAL_GDT_H_