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The 286/386 interpreter now has its own variant of x86seg.c.

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This commit is contained in:
OBattler
2023-08-21 02:56:33 +02:00
parent 5ac598378f
commit 1d48363803
61 changed files with 596 additions and 260 deletions
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52
src/cpu/x86seg_common.h Normal file
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/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* x86 CPU segment emulation common parts header.
*
*
*
* Authors: Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2016-2017 Miran Grca.
*/
#ifndef EMU_X86SEG_COMMON_H
#define EMU_X86SEG_COMMON_H
#define JMP 1
#define CALL 2
#define IRET 3
#define OPTYPE_INT 4
enum {
ABRT_NONE = 0,
ABRT_GEN = 1,
ABRT_TS = 0xA,
ABRT_NP = 0xB,
ABRT_SS = 0xC,
ABRT_GPF = 0xD,
ABRT_PF = 0xE,
ABRT_DE = 0x40 /* INT 0, but we have to distinguish it from ABRT_NONE. */
};
extern uint8_t opcode2;
extern int cgate16;
extern int cgate32;
extern int intgatesize;
extern void x86seg_reset(void);
extern void x86de(char *s, uint16_t error);
extern void x86gpf(char *s, uint16_t error);
extern void x86gpf_expected(char *s, uint16_t error);
extern void x86np(char *s, uint16_t error);
extern void x86ss(char *s, uint16_t error);
extern void x86ts(char *s, uint16_t error);
extern void do_seg_load(x86seg *s, uint16_t *segdat);
#endif /*EMU_X86SEG_COMMON_H*/