34 lines
707 B
C
34 lines
707 B
C
#ifndef __LIB__REAL_H__
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#define __LIB__REAL_H__
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#include <stdint.h>
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#define rm_seg(x) ((uint16_t)(((int)x & 0xffff0) >> 4))
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#define rm_off(x) ((uint16_t)(((int)x & 0x0000f) >> 0))
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#define rm_desegment(seg, off) (((uint32_t)(seg) << 4) + (uint32_t)(off))
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#define EFLAGS_CF (1 << 0)
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#define EFLAGS_ZF (1 << 6)
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struct rm_regs {
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uint16_t gs;
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uint16_t fs;
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uint16_t es;
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uint16_t ds;
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uint32_t eflags;
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uint32_t ebp;
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uint32_t edi;
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uint32_t esi;
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uint32_t edx;
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uint32_t ecx;
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uint32_t ebx;
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uint32_t eax;
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} __attribute__((packed));
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void rm_int(uint8_t int_no, struct rm_regs *out_regs, struct rm_regs *in_regs);
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__attribute__((noreturn)) void rm_hcf(void);
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#endif
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