:: limine / common / lib / real.h 715 B raw

#ifndef LIB__REAL_H__

#define LIB__REAL_H__

​

#include <stdint.h>

#include <stdnoreturn.h>

​

#define rm_seg(x) ((uint16_t)(((int)(x) & 0xffff0) >> 4))

#define rm_off(x) ((uint16_t)(((int)(x) & 0x0000f) >> 0))

​

#define rm_desegment(seg, off) (((uint32_t)(seg) << 4) + (uint32_t)(off))

​

#define EFLAGS_CF (1 << 0)

#define EFLAGS_ZF (1 << 6)

​

struct rm_regs {

    uint16_t gs;

    uint16_t fs;

    uint16_t es;

    uint16_t ds;

    uint32_t eflags;

    uint32_t ebp;

    uint32_t edi;

    uint32_t esi;

    uint32_t edx;

    uint32_t ecx;

    uint32_t ebx;

    uint32_t eax;

} __attribute__((packed));

​

void rm_int(uint8_t int_no, struct rm_regs *out_regs, struct rm_regs *in_regs);

​

noreturn void rm_hcf(void);

​

#endif