/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/xf86x86emu.h,v 1.2 2001/01/06 20:19:13 tsi Exp $ */
/*
 *                   XFree86 int10 module
 *   execute BIOS int 10h calls in x86 real mode environment
 *                 Copyright 1999 Egbert Eich
 */
#ifndef XF86X86EMU_H_
#define XF86X86EMU_H_
#include <x86emu/x86emu.h>

#define M _X86EMU_env

#define X86_EAX M.x86.R_EAX
#define X86_EBX M.x86.R_EBX
#define X86_ECX M.x86.R_ECX
#define X86_EDX M.x86.R_EDX
#define X86_ESI M.x86.R_ESI
#define X86_EDI M.x86.R_EDI
#define X86_EBP M.x86.R_EBP
#define X86_EIP M.x86.R_EIP
#define X86_ESP M.x86.R_ESP
#define X86_EFLAGS M.x86.R_EFLG

#define X86_FLAGS M.x86.R_FLG
#define X86_AX M.x86.R_AX
#define X86_BX M.x86.R_BX
#define X86_CX M.x86.R_CX
#define X86_DX M.x86.R_DX
#define X86_SI M.x86.R_SI
#define X86_DI M.x86.R_DI
#define X86_BP M.x86.R_BP
#define X86_IP M.x86.R_IP
#define X86_SP M.x86.R_SP
#define X86_CS M.x86.R_CS
#define X86_DS M.x86.R_DS
#define X86_ES M.x86.R_ES
#define X86_SS M.x86.R_SS
#define X86_FS M.x86.R_FS
#define X86_GS M.x86.R_GS

#define X86_AL M.x86.R_AL
#define X86_BL M.x86.R_BL
#define X86_CL M.x86.R_CL
#define X86_DL M.x86.R_DL

#define X86_AH M.x86.R_AH
#define X86_BH M.x86.R_BH
#define X86_CH M.x86.R_CH
#define X86_DH M.x86.R_DH


/* int10 info structure */
typedef struct {
	u16 BIOSseg;
	u16 inb40time;
	struct _mem *mem;
	int num;
	int ax;
	int bx;
	int cx;
	int dx;
	int si;
	int di;
	int es;
	int bp;
	int flags;
	int stackseg;
} _ptr, *ptr;

typedef struct _mem {
	u8(*rb) (ptr, int);
	u16(*rw) (ptr, int);
	u32(*rl) (ptr, int);
	void (*wb) (ptr, int, u8);
	void (*ww) (ptr, int, u16);
	void (*wl) (ptr, int, u32);
} mem;

#define MEM_WB(where, what) wrb(where,what)
#define MEM_WW(where, what) wrw(where, what)
#define MEM_WL(where, what) wrl(where, what)

#define MEM_RB(where) rdb(where)
#define MEM_RW(where) rdw(where)
#define MEM_RL(where) rdl(where)

extern ptr current;

#endif
