ops.h

MIPS处理器的bootloader,龙芯就是用的修改过的PMON2

/****************************************************************************
*
*						Realmode X86 Emulator Library
*
*            	Copyright (C) 1996-1999 SciTech Software, Inc.
* 				     Copyright (C) David Mosberger-Tang
* 					   Copyright (C) 1999 Egbert Eich
*
*  ========================================================================
*
*  Permission to use, copy, modify, distribute, and sell this software and
*  its documentation for any purpose is hereby granted without fee,
*  provided that the above copyright notice appear in all copies and that
*  both that copyright notice and this permission notice appear in
*  supporting documentation, and that the name of the authors not be used
*  in advertising or publicity pertaining to distribution of the software
*  without specific, written prior permission.  The authors makes no
*  representations about the suitability of this software for any purpose.
*  It is provided "as is" without express or implied warranty.
*
*  THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
*  INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
*  EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
*  CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
*  USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
*  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
*  PERFORMANCE OF THIS SOFTWARE.
*
*  ========================================================================
*
* Language:		ANSI C
* Environment:	Any
* Developer:    Kendall Bennett
*
* Description:  Header file for operand decoding functions.
*
****************************************************************************/

#ifndef __X86EMU_OPS_H
#define __X86EMU_OPS_H

struct x86emu_op {
	void (*x86emu_baseop)(u8);
#ifdef X86EMU_DEBUG
	char * const x86emu_mnem;
#endif
	void (*x86emu_priop)(void);
	void (*x86emu_priopl)(void);
};

#ifdef X86EMU_DEBUG
#define X86EMOP(hand, mnem, op1, op2) \
  { hand, mnem, (v_func)op1, (v_func)op2 }
#else
#define X86EMOP(hand, mnem, op1, op2) \
  { hand, (v_func)op1, (v_func)op2 }
#endif

typedef void (*v_func)(void);
typedef u8 (*u8_func)(u8, u8);
typedef u16 (*u16_func)(u16, u16);
typedef u32 (*u32_func)(u32, u32);

#define U8_FUNC(f) (*((u8_func)f))
#define U16_FUNC(f) (*((u16_func)f))
#define U32_FUNC(f) (*((u32_func)f))

extern struct x86emu_op x86emu_optab[256];
extern void (*x86emu_optab2[0x100])(u8 op2);

#endif /* __X86EMU_OPS_H */