a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync/****************************************************************************
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Realmode X86 Emulator Library
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Copyright (C) 1996-1999 SciTech Software, Inc.
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Copyright (C) David Mosberger-Tang
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Copyright (C) 1999 Egbert Eich
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* ========================================================================
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Permission to use, copy, modify, distribute, and sell this software and
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* its documentation for any purpose is hereby granted without fee,
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* provided that the above copyright notice appear in all copies and that
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* both that copyright notice and this permission notice appear in
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* supporting documentation, and that the name of the authors not be used
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* in advertising or publicity pertaining to distribution of the software
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* without specific, written prior permission. The authors makes no
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* representations about the suitability of this software for any purpose.
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* It is provided "as is" without express or implied warranty.
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* PERFORMANCE OF THIS SOFTWARE.
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* ========================================================================
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Language: ANSI C
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Environment: Any
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Developer: Kendall Bennett
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync* Description: Header file for instruction decoding logic.
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync*
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync****************************************************************************/
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#ifndef __X86EMU_DECODE_H
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#define __X86EMU_DECODE_H
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync/*---------------------- Macros and type definitions ----------------------*/
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync/* Instruction Decoding Stuff */
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#define FETCH_DECODE_MODRM(mod,rh,rl) fetch_decode_modrm(&mod,&rh,&rl)
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#define DECODE_RM_BYTE_REGISTER(r) decode_rm_byte_register(r)
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#define DECODE_RM_WORD_REGISTER(r) decode_rm_word_register(r)
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#define DECODE_RM_LONG_REGISTER(r) decode_rm_long_register(r)
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#define DECODE_CLEAR_SEGOVR() M.x86.mode &= ~SYSMODE_CLRMASK
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync/*-------------------------- Function Prototypes --------------------------*/
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#ifdef __cplusplus
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsyncextern "C" { /* Use "C" linkage when in C++ mode */
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#endif
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void x86emu_intr_raise(u8 type);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void fetch_decode_modrm(int *mod, int *regh, int *regl);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u8 fetch_byte_imm(void);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u16 fetch_word_imm(void);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 fetch_long_imm(void);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u8 fetch_data_byte(uint offset);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u8 fetch_data_byte_abs(uint segment, uint offset);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u16 fetch_data_word(uint offset);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u16 fetch_data_word_abs(uint segment, uint offset);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 fetch_data_long(uint offset);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 fetch_data_long_abs(uint segment, uint offset);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void store_data_byte(uint offset, u8 val);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void store_data_byte_abs(uint segment, uint offset, u8 val);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void store_data_word(uint offset, u16 val);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void store_data_word_abs(uint segment, uint offset, u16 val);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void store_data_long(uint offset, u32 val);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync void store_data_long_abs(uint segment, uint offset, u32 val);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u8 *decode_rm_byte_register(int reg);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u16 *decode_rm_word_register(int reg);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 *decode_rm_long_register(int reg);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u16 *decode_rm_seg_register(int reg);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 decode_rm00_address(int rm);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 decode_rm01_address(int rm);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 decode_rm10_address(int rm);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync u32 decode_sib_address(int sib, int mod);
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#ifdef __cplusplus
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync} /* End of "C" linkage for C++ */
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#endif
a5e7ae69e440f6816420fc99599f044e79e716b6vboxsync#endif /* __X86EMU_DECODE_H */