61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/****************************************************************************
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Realmode X86 Emulator Library
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Copyright (C) 1996-1999 SciTech Software, Inc.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Copyright (C) David Mosberger-Tang
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Copyright (C) 1999 Egbert Eich
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* ========================================================================
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Permission to use, copy, modify, distribute, and sell this software and
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* its documentation for any purpose is hereby granted without fee,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* provided that the above copyright notice appear in all copies and that
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* both that copyright notice and this permission notice appear in
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* supporting documentation, and that the name of the authors not be used
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* in advertising or publicity pertaining to distribution of the software
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* without specific, written prior permission. The authors makes no
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* representations about the suitability of this software for any purpose.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* It is provided "as is" without express or implied warranty.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* PERFORMANCE OF THIS SOFTWARE.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* ========================================================================
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Language: ANSI C
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Environment: Any
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Developer: Kendall Bennett
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync* Description: Header file for instruction decoding logic.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync****************************************************************************/
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#ifndef __X86EMU_DECODE_H
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define __X86EMU_DECODE_H
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/*---------------------- Macros and type definitions ----------------------*/
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/* Instruction Decoding Stuff */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define FETCH_DECODE_MODRM(mod,rh,rl) fetch_decode_modrm(&mod,&rh,&rl)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define DECODE_RM_BYTE_REGISTER(r) decode_rm_byte_register(r)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define DECODE_RM_WORD_REGISTER(r) decode_rm_word_register(r)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define DECODE_RM_LONG_REGISTER(r) decode_rm_long_register(r)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define DECODE_CLEAR_SEGOVR() M.x86.mode &= ~SYSMODE_CLRMASK
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/*-------------------------- Function Prototypes --------------------------*/
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#ifdef __cplusplus
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern "C" { /* Use "C" linkage when in C++ mode */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void x86emu_intr_raise(u8 type);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void fetch_decode_modrm(int *mod, int *regh, int *regl);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u8 fetch_byte_imm(void);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u16 fetch_word_imm(void);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 fetch_long_imm(void);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u8 fetch_data_byte(uint offset);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u8 fetch_data_byte_abs(uint segment, uint offset);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u16 fetch_data_word(uint offset);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u16 fetch_data_word_abs(uint segment, uint offset);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 fetch_data_long(uint offset);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 fetch_data_long_abs(uint segment, uint offset);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void store_data_byte(uint offset, u8 val);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void store_data_byte_abs(uint segment, uint offset, u8 val);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void store_data_word(uint offset, u16 val);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void store_data_word_abs(uint segment, uint offset, u16 val);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void store_data_long(uint offset, u32 val);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync void store_data_long_abs(uint segment, uint offset, u32 val);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u8 *decode_rm_byte_register(int reg);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u16 *decode_rm_word_register(int reg);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 *decode_rm_long_register(int reg);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u16 *decode_rm_seg_register(int reg);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 decode_rm00_address(int rm);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 decode_rm01_address(int rm);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 decode_rm10_address(int rm);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync u32 decode_sib_address(int sib, int mod);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#ifdef __cplusplus
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync} /* End of "C" linkage for C++ */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif /* __X86EMU_DECODE_H */