Moved x86emu to {src,headers}/libs/.
This commit is contained in:
Alex Smith
@@ -0,0 +1,197 @@
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/****************************************************************************
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*
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* Realmode X86 Emulator Library
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*
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* Copyright (C) 1996-1999 SciTech Software, Inc.
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* Copyright (C) David Mosberger-Tang
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* Copyright (C) 1999 Egbert Eich
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*
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* ========================================================================
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*
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* Permission to use, copy, modify, distribute, and sell this software and
|
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* 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
|
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* ========================================================================
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*
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* Language: ANSI C
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* Environment: Any
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* Developer: Kendall Bennett
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*
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* Description: Header file for public specific functions.
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* Any application linking against us should only
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* include this header
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*
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****************************************************************************/
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#ifndef __X86EMU_X86EMU_H
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#define __X86EMU_X86EMU_H
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#ifdef SCITECH
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#include "scitech.h"
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#define X86API _ASMAPI
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#define X86APIP _ASMAPIP
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typedef int X86EMU_pioAddr;
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#else
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#include "x86emu/types.h"
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#define X86API
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#define X86APIP *
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#endif
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#include "x86emu/regs.h"
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/*---------------------- Macros and type definitions ----------------------*/
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#ifdef PACK
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#pragma PACK /* Don't pack structs with function pointers! */
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#endif
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/****************************************************************************
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REMARKS:
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Data structure containing ponters to programmed I/O functions used by the
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emulator. This is used so that the user program can hook all programmed
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I/O for the emulator to handled as necessary by the user program. By
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default the emulator contains simple functions that do not do access the
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hardware in any way. To allow the emualtor access the hardware, you will
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need to override the programmed I/O functions using the X86EMU_setupPioFuncs
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function.
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HEADER:
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x86emu.h
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MEMBERS:
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inb - Function to read a byte from an I/O port
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inw - Function to read a word from an I/O port
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inl - Function to read a dword from an I/O port
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outb - Function to write a byte to an I/O port
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outw - Function to write a word to an I/O port
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outl - Function to write a dword to an I/O port
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****************************************************************************/
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typedef struct {
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u8(X86APIP inb) (X86EMU_pioAddr addr);
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u16(X86APIP inw) (X86EMU_pioAddr addr);
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u32(X86APIP inl) (X86EMU_pioAddr addr);
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void (X86APIP outb) (X86EMU_pioAddr addr, u8 val);
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void (X86APIP outw) (X86EMU_pioAddr addr, u16 val);
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void (X86APIP outl) (X86EMU_pioAddr addr, u32 val);
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} X86EMU_pioFuncs;
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/****************************************************************************
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REMARKS:
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Data structure containing ponters to memory access functions used by the
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emulator. This is used so that the user program can hook all memory
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access functions as necessary for the emulator. By default the emulator
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contains simple functions that only access the internal memory of the
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emulator. If you need specialised functions to handle access to different
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types of memory (ie: hardware framebuffer accesses and BIOS memory access
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etc), you will need to override this using the X86EMU_setupMemFuncs
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function.
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HEADER:
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x86emu.h
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MEMBERS:
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rdb - Function to read a byte from an address
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rdw - Function to read a word from an address
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rdl - Function to read a dword from an address
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wrb - Function to write a byte to an address
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wrw - Function to write a word to an address
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wrl - Function to write a dword to an address
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****************************************************************************/
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typedef struct {
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u8(X86APIP rdb) (u32 addr);
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u16(X86APIP rdw) (u32 addr);
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u32(X86APIP rdl) (u32 addr);
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void (X86APIP wrb) (u32 addr, u8 val);
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void (X86APIP wrw) (u32 addr, u16 val);
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void (X86APIP wrl) (u32 addr, u32 val);
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} X86EMU_memFuncs;
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/****************************************************************************
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Here are the default memory read and write
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function in case they are needed as fallbacks.
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***************************************************************************/
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extern u8 X86API rdb(u32 addr);
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extern u16 X86API rdw(u32 addr);
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extern u32 X86API rdl(u32 addr);
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extern void X86API wrb(u32 addr, u8 val);
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extern void X86API wrw(u32 addr, u16 val);
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extern void X86API wrl(u32 addr, u32 val);
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#ifdef END_PACK
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#pragma END_PACK
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#endif
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/*--------------------- type definitions -----------------------------------*/
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typedef void (X86APIP X86EMU_intrFuncs) (int num);
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extern X86EMU_intrFuncs _X86EMU_intrTab[256];
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/*-------------------------- Function Prototypes --------------------------*/
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#ifdef __cplusplus
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extern "C" { /* Use "C" linkage when in C++ mode */
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#endif
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void X86EMU_setupMemFuncs(X86EMU_memFuncs * funcs);
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void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs);
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void X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]);
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void X86EMU_prepareForInt(int num);
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/* decode.c */
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void X86EMU_exec(void);
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void X86EMU_halt_sys(void);
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#ifdef DEBUG
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#define HALT_SYS() \
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printk("halt_sys: file %s, line %d\n", __FILE__, __LINE__), \
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X86EMU_halt_sys()
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#else
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#define HALT_SYS() X86EMU_halt_sys()
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#endif
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/* Debug options */
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#define DEBUG_DECODE_F 0x000001 /* print decoded instruction */
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#define DEBUG_TRACE_F 0x000002 /* dump regs before/after execution */
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#define DEBUG_STEP_F 0x000004
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#define DEBUG_DISASSEMBLE_F 0x000008
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#define DEBUG_BREAK_F 0x000010
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#define DEBUG_SVC_F 0x000020
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#define DEBUG_SAVE_IP_CS_F 0x000040
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#define DEBUG_FS_F 0x000080
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#define DEBUG_PROC_F 0x000100
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#define DEBUG_SYSINT_F 0x000200 /* bios system interrupts. */
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#define DEBUG_TRACECALL_F 0x000400
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#define DEBUG_INSTRUMENT_F 0x000800
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#define DEBUG_MEM_TRACE_F 0x001000
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#define DEBUG_IO_TRACE_F 0x002000
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#define DEBUG_TRACECALL_REGS_F 0x004000
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#define DEBUG_DECODE_NOPRINT_F 0x008000
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#define DEBUG_EXIT 0x010000
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#define DEBUG_SYS_F (DEBUG_SVC_F|DEBUG_FS_F|DEBUG_PROC_F)
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void X86EMU_trace_regs(void);
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void X86EMU_trace_xregs(void);
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void X86EMU_dump_memory(u16 seg, u16 off, u32 amt);
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int X86EMU_trace_on(void);
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int X86EMU_trace_off(void);
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#ifdef __cplusplus
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} /* End of "C" linkage for C++ */
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#endif
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#endif /* __X86EMU_X86EMU_H */
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@@ -0,0 +1,209 @@
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/****************************************************************************
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*
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* Realmode X86 Emulator Library
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*
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* Copyright (C) 1996-1999 SciTech Software, Inc.
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* Copyright (C) David Mosberger-Tang
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* Copyright (C) 1999 Egbert Eich
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*
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* ========================================================================
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*
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* 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.
|
||||
*
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* ========================================================================
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*
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* Language: ANSI C
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* Environment: Any
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* Developer: Kendall Bennett
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*
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* Description: Header file for debug definitions.
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*
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****************************************************************************/
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#ifndef __X86EMU_DEBUG_H
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#define __X86EMU_DEBUG_H
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/*---------------------- Macros and type definitions ----------------------*/
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/* checks to be enabled for "runtime" */
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#define CHECK_IP_FETCH_F 0x1
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#define CHECK_SP_ACCESS_F 0x2
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#define CHECK_MEM_ACCESS_F 0x4 /*using regular linear pointer */
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#define CHECK_DATA_ACCESS_F 0x8 /*using segment:offset */
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#ifdef DEBUG
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#define CHECK_IP_FETCH() (M.x86.check & CHECK_IP_FETCH_F)
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#define CHECK_SP_ACCESS() (M.x86.check & CHECK_SP_ACCESS_F)
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#define CHECK_MEM_ACCESS() (M.x86.check & CHECK_MEM_ACCESS_F)
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#define CHECK_DATA_ACCESS() (M.x86.check & CHECK_DATA_ACCESS_F)
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#else
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#define CHECK_IP_FETCH()
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#define CHECK_SP_ACCESS()
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#define CHECK_MEM_ACCESS()
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#define CHECK_DATA_ACCESS()
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#endif
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#ifdef DEBUG
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#define DEBUG_INSTRUMENT() (M.x86.debug & DEBUG_INSTRUMENT_F)
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#define DEBUG_DECODE() (M.x86.debug & DEBUG_DECODE_F)
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#define DEBUG_TRACE() (M.x86.debug & DEBUG_TRACE_F)
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#define DEBUG_STEP() (M.x86.debug & DEBUG_STEP_F)
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#define DEBUG_DISASSEMBLE() (M.x86.debug & DEBUG_DISASSEMBLE_F)
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#define DEBUG_BREAK() (M.x86.debug & DEBUG_BREAK_F)
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#define DEBUG_SVC() (M.x86.debug & DEBUG_SVC_F)
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#define DEBUG_SAVE_IP_CS() (M.x86.debug & DEBUG_SAVE_IP_CS_F)
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#define DEBUG_FS() (M.x86.debug & DEBUG_FS_F)
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#define DEBUG_PROC() (M.x86.debug & DEBUG_PROC_F)
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#define DEBUG_SYSINT() (M.x86.debug & DEBUG_SYSINT_F)
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#define DEBUG_TRACECALL() (M.x86.debug & DEBUG_TRACECALL_F)
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#define DEBUG_TRACECALLREGS() (M.x86.debug & DEBUG_TRACECALL_REGS_F)
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#define DEBUG_SYS() (M.x86.debug & DEBUG_SYS_F)
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#define DEBUG_MEM_TRACE() (M.x86.debug & DEBUG_MEM_TRACE_F)
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#define DEBUG_IO_TRACE() (M.x86.debug & DEBUG_IO_TRACE_F)
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#define DEBUG_DECODE_NOPRINT() (M.x86.debug & DEBUG_DECODE_NOPRINT_F)
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#else
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#define DEBUG_INSTRUMENT() 0
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#define DEBUG_DECODE() 0
|
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#define DEBUG_TRACE() 0
|
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#define DEBUG_STEP() 0
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#define DEBUG_DISASSEMBLE() 0
|
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#define DEBUG_BREAK() 0
|
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#define DEBUG_SVC() 0
|
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#define DEBUG_SAVE_IP_CS() 0
|
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#define DEBUG_FS() 0
|
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#define DEBUG_PROC() 0
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#define DEBUG_SYSINT() 0
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#define DEBUG_TRACECALL() 0
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#define DEBUG_TRACECALLREGS() 0
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#define DEBUG_SYS() 0
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#define DEBUG_MEM_TRACE() 0
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#define DEBUG_IO_TRACE() 0
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#define DEBUG_DECODE_NOPRINT() 0
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#endif
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#ifdef DEBUG
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#define DECODE_PRINTF(x) if (DEBUG_DECODE()) \
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x86emu_decode_printf(x)
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#define DECODE_PRINTF2(x,y) if (DEBUG_DECODE()) \
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x86emu_decode_printf2(x,y)
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/*
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* The following allow us to look at the bytes of an instruction. The
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* first INCR_INSTRN_LEN, is called everytime bytes are consumed in
|
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* the decoding process. The SAVE_IP_CS is called initially when the
|
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* major opcode of the instruction is accessed.
|
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*/
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#define INC_DECODED_INST_LEN(x) \
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if (DEBUG_DECODE()) \
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x86emu_inc_decoded_inst_len(x)
|
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|
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#define SAVE_IP_CS(x,y) \
|
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if (DEBUG_DECODE() | DEBUG_TRACECALL() | DEBUG_BREAK() \
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| DEBUG_IO_TRACE() | DEBUG_SAVE_IP_CS()) { \
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M.x86.saved_cs = x; \
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M.x86.saved_ip = y; \
|
||||
}
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#else
|
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#define INC_DECODED_INST_LEN(x)
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#define DECODE_PRINTF(x)
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#define DECODE_PRINTF2(x,y)
|
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#define SAVE_IP_CS(x,y)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
#define TRACE_REGS() \
|
||||
if (DEBUG_DISASSEMBLE()) { \
|
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x86emu_just_disassemble(); \
|
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goto EndOfTheInstructionProcedure; \
|
||||
} \
|
||||
if (DEBUG_TRACE() || DEBUG_DECODE()) X86EMU_trace_regs()
|
||||
#else
|
||||
#define TRACE_REGS()
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
#define SINGLE_STEP() if (DEBUG_STEP()) x86emu_single_step()
|
||||
#else
|
||||
#define SINGLE_STEP()
|
||||
#endif
|
||||
|
||||
#define TRACE_AND_STEP() \
|
||||
TRACE_REGS(); \
|
||||
SINGLE_STEP()
|
||||
|
||||
#ifdef DEBUG
|
||||
#define START_OF_INSTR()
|
||||
#define END_OF_INSTR() EndOfTheInstructionProcedure: x86emu_end_instr();
|
||||
#define END_OF_INSTR_NO_TRACE() x86emu_end_instr();
|
||||
#else
|
||||
#define START_OF_INSTR()
|
||||
#define END_OF_INSTR()
|
||||
#define END_OF_INSTR_NO_TRACE()
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
#define CALL_TRACE(u,v,w,x,s) \
|
||||
if (DEBUG_TRACECALLREGS()) \
|
||||
x86emu_dump_regs(); \
|
||||
if (DEBUG_TRACECALL()) \
|
||||
printk("%04x:%04x: CALL %s%04x:%04x\n", u , v, s, w, x);
|
||||
#define RETURN_TRACE(n,u,v) \
|
||||
if (DEBUG_TRACECALLREGS()) \
|
||||
x86emu_dump_regs(); \
|
||||
if (DEBUG_TRACECALL()) \
|
||||
printk("%04x:%04x: %s\n",u,v,n);
|
||||
#else
|
||||
#define CALL_TRACE(u,v,w,x,s)
|
||||
#define RETURN_TRACE(n,u,v)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
#define DB(x) x
|
||||
#else
|
||||
#define DB(x)
|
||||
#endif
|
||||
|
||||
/*-------------------------- Function Prototypes --------------------------*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" { /* Use "C" linkage when in C++ mode */
|
||||
#endif
|
||||
|
||||
extern void x86emu_inc_decoded_inst_len(int x);
|
||||
extern void x86emu_decode_printf(const char *x);
|
||||
extern void x86emu_decode_printf2(const char *x, int y);
|
||||
extern void x86emu_just_disassemble(void);
|
||||
extern void x86emu_single_step(void);
|
||||
extern void x86emu_end_instr(void);
|
||||
extern void x86emu_dump_regs(void);
|
||||
extern void x86emu_dump_xregs(void);
|
||||
extern void x86emu_print_int_vect(u16 iv);
|
||||
extern void x86emu_instrument_instruction(void);
|
||||
extern void x86emu_check_ip_access(void);
|
||||
extern void x86emu_check_sp_access(void);
|
||||
extern void x86emu_check_mem_access(u32 p);
|
||||
extern void x86emu_check_data_access(uint s, uint o);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* End of "C" linkage for C++ */
|
||||
#endif
|
||||
#endif /* __X86EMU_DEBUG_H */
|
||||
@@ -0,0 +1,87 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 instruction decoding logic.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_DECODE_H
|
||||
#define __X86EMU_DECODE_H
|
||||
|
||||
/*---------------------- Macros and type definitions ----------------------*/
|
||||
|
||||
/* Instruction Decoding Stuff */
|
||||
|
||||
#define FETCH_DECODE_MODRM(mod,rh,rl) fetch_decode_modrm(&mod,&rh,&rl)
|
||||
#define DECODE_RM_BYTE_REGISTER(r) decode_rm_byte_register(r)
|
||||
#define DECODE_RM_WORD_REGISTER(r) decode_rm_word_register(r)
|
||||
#define DECODE_RM_LONG_REGISTER(r) decode_rm_long_register(r)
|
||||
#define DECODE_CLEAR_SEGOVR() M.x86.mode &= ~SYSMODE_CLRMASK
|
||||
|
||||
/*-------------------------- Function Prototypes --------------------------*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" { /* Use "C" linkage when in C++ mode */
|
||||
#endif
|
||||
|
||||
void x86emu_intr_raise(u8 type);
|
||||
void fetch_decode_modrm(int *mod, int *regh, int *regl);
|
||||
u8 fetch_byte_imm(void);
|
||||
u16 fetch_word_imm(void);
|
||||
u32 fetch_long_imm(void);
|
||||
u8 fetch_data_byte(uint offset);
|
||||
u8 fetch_data_byte_abs(uint segment, uint offset);
|
||||
u16 fetch_data_word(uint offset);
|
||||
u16 fetch_data_word_abs(uint segment, uint offset);
|
||||
u32 fetch_data_long(uint offset);
|
||||
u32 fetch_data_long_abs(uint segment, uint offset);
|
||||
void store_data_byte(uint offset, u8 val);
|
||||
void store_data_byte_abs(uint segment, uint offset, u8 val);
|
||||
void store_data_word(uint offset, u16 val);
|
||||
void store_data_word_abs(uint segment, uint offset, u16 val);
|
||||
void store_data_long(uint offset, u32 val);
|
||||
void store_data_long_abs(uint segment, uint offset, u32 val);
|
||||
u8 *decode_rm_byte_register(int reg);
|
||||
u16 *decode_rm_word_register(int reg);
|
||||
u32 *decode_rm_long_register(int reg);
|
||||
u16 *decode_rm_seg_register(int reg);
|
||||
u32 decode_rm00_address(int rm);
|
||||
u32 decode_rm01_address(int rm);
|
||||
u32 decode_rm10_address(int rm);
|
||||
u32 decode_sib_address(int sib, int mod);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* End of "C" linkage for C++ */
|
||||
#endif
|
||||
#endif /* __X86EMU_DECODE_H */
|
||||
@@ -0,0 +1,60 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 FPU instruction decoding.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_FPU_H
|
||||
#define __X86EMU_FPU_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" { /* Use "C" linkage when in C++ mode */
|
||||
#endif
|
||||
|
||||
/* these have to be defined, whether 8087 support compiled in or not. */
|
||||
|
||||
extern void x86emuOp_esc_coprocess_d8(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_d9(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_da(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_db(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_dc(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_dd(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_de(u8 op1);
|
||||
extern void x86emuOp_esc_coprocess_df(u8 op1);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* End of "C" linkage for C++ */
|
||||
#endif
|
||||
#endif /* __X86EMU_FPU_H */
|
||||
@@ -0,0 +1,119 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 FPU register definitions.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_FPU_REGS_H
|
||||
#define __X86EMU_FPU_REGS_H
|
||||
|
||||
#ifdef X86_FPU_SUPPORT
|
||||
|
||||
#ifdef PACK
|
||||
#pragma PACK
|
||||
#endif
|
||||
|
||||
/* Basic 8087 register can hold any of the following values: */
|
||||
|
||||
union x86_fpu_reg_u {
|
||||
s8 tenbytes[10];
|
||||
double dval;
|
||||
float fval;
|
||||
s16 sval;
|
||||
s32 lval;
|
||||
};
|
||||
|
||||
struct x86_fpu_reg {
|
||||
union x86_fpu_reg_u reg;
|
||||
char tag;
|
||||
};
|
||||
|
||||
/*
|
||||
* Since we are not going to worry about the problems of aliasing
|
||||
* registers, every time a register is modified, its result type is
|
||||
* set in the tag fields for that register. If some operation
|
||||
* attempts to access the type in a way inconsistent with its current
|
||||
* storage format, then we flag the operation. If common, we'll
|
||||
* attempt the conversion.
|
||||
*/
|
||||
|
||||
#define X86_FPU_VALID 0x80
|
||||
#define X86_FPU_REGTYP(r) ((r) & 0x7F)
|
||||
|
||||
#define X86_FPU_WORD 0x0
|
||||
#define X86_FPU_SHORT 0x1
|
||||
#define X86_FPU_LONG 0x2
|
||||
#define X86_FPU_FLOAT 0x3
|
||||
#define X86_FPU_DOUBLE 0x4
|
||||
#define X86_FPU_LDBL 0x5
|
||||
#define X86_FPU_BSD 0x6
|
||||
|
||||
#define X86_FPU_STKTOP 0
|
||||
|
||||
struct x86_fpu_registers {
|
||||
struct x86_fpu_reg x86_fpu_stack[8];
|
||||
int x86_fpu_flags;
|
||||
int x86_fpu_config; /* rounding modes, etc. */
|
||||
short x86_fpu_tos, x86_fpu_bos;
|
||||
};
|
||||
|
||||
#ifdef END_PACK
|
||||
#pragma END_PACK
|
||||
#endif
|
||||
|
||||
/*
|
||||
* There are two versions of the following macro.
|
||||
*
|
||||
* One version is for opcode D9, for which there are more than 32
|
||||
* instructions encoded in the second byte of the opcode.
|
||||
*
|
||||
* The other version, deals with all the other 7 i87 opcodes, for
|
||||
* which there are only 32 strings needed to describe the
|
||||
* instructions.
|
||||
*/
|
||||
|
||||
#endif /* X86_FPU_SUPPORT */
|
||||
|
||||
#ifdef DEBUG
|
||||
#define DECODE_PRINTINSTR32(t,mod,rh,rl) \
|
||||
DECODE_PRINTF(t[(mod<<3)+(rh)]);
|
||||
#define DECODE_PRINTINSTR256(t,mod,rh,rl) \
|
||||
DECODE_PRINTF(t[(mod<<6)+(rh<<3)+(rl)]);
|
||||
#else
|
||||
#define DECODE_PRINTINSTR32(t,mod,rh,rl)
|
||||
#define DECODE_PRINTINSTR256(t,mod,rh,rl)
|
||||
#endif
|
||||
|
||||
#endif /* __X86EMU_FPU_REGS_H */
|
||||
@@ -0,0 +1,45 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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
|
||||
|
||||
extern void (*x86emu_optab[0x100]) (u8 op1);
|
||||
extern void (*x86emu_optab2[0x100]) (u8 op2);
|
||||
|
||||
#endif /* __X86EMU_OPS_H */
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,141 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 primitive operation functions.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_PRIM_OPS_H
|
||||
#define __X86EMU_PRIM_OPS_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" { /* Use "C" linkage when in C++ mode */
|
||||
#endif
|
||||
|
||||
u16 aaa_word(u16 d);
|
||||
u16 aas_word(u16 d);
|
||||
u16 aad_word(u16 d);
|
||||
u16 aam_word(u8 d);
|
||||
u8 adc_byte(u8 d, u8 s);
|
||||
u16 adc_word(u16 d, u16 s);
|
||||
u32 adc_long(u32 d, u32 s);
|
||||
u8 add_byte(u8 d, u8 s);
|
||||
u16 add_word(u16 d, u16 s);
|
||||
u32 add_long(u32 d, u32 s);
|
||||
u8 and_byte(u8 d, u8 s);
|
||||
u16 and_word(u16 d, u16 s);
|
||||
u32 and_long(u32 d, u32 s);
|
||||
u8 cmp_byte(u8 d, u8 s);
|
||||
u16 cmp_word(u16 d, u16 s);
|
||||
u32 cmp_long(u32 d, u32 s);
|
||||
u8 daa_byte(u8 d);
|
||||
u8 das_byte(u8 d);
|
||||
u8 dec_byte(u8 d);
|
||||
u16 dec_word(u16 d);
|
||||
u32 dec_long(u32 d);
|
||||
u8 inc_byte(u8 d);
|
||||
u16 inc_word(u16 d);
|
||||
u32 inc_long(u32 d);
|
||||
u8 or_byte(u8 d, u8 s);
|
||||
u16 or_word(u16 d, u16 s);
|
||||
u32 or_long(u32 d, u32 s);
|
||||
u8 neg_byte(u8 s);
|
||||
u16 neg_word(u16 s);
|
||||
u32 neg_long(u32 s);
|
||||
u8 not_byte(u8 s);
|
||||
u16 not_word(u16 s);
|
||||
u32 not_long(u32 s);
|
||||
u8 rcl_byte(u8 d, u8 s);
|
||||
u16 rcl_word(u16 d, u8 s);
|
||||
u32 rcl_long(u32 d, u8 s);
|
||||
u8 rcr_byte(u8 d, u8 s);
|
||||
u16 rcr_word(u16 d, u8 s);
|
||||
u32 rcr_long(u32 d, u8 s);
|
||||
u8 rol_byte(u8 d, u8 s);
|
||||
u16 rol_word(u16 d, u8 s);
|
||||
u32 rol_long(u32 d, u8 s);
|
||||
u8 ror_byte(u8 d, u8 s);
|
||||
u16 ror_word(u16 d, u8 s);
|
||||
u32 ror_long(u32 d, u8 s);
|
||||
u8 shl_byte(u8 d, u8 s);
|
||||
u16 shl_word(u16 d, u8 s);
|
||||
u32 shl_long(u32 d, u8 s);
|
||||
u8 shr_byte(u8 d, u8 s);
|
||||
u16 shr_word(u16 d, u8 s);
|
||||
u32 shr_long(u32 d, u8 s);
|
||||
u8 sar_byte(u8 d, u8 s);
|
||||
u16 sar_word(u16 d, u8 s);
|
||||
u32 sar_long(u32 d, u8 s);
|
||||
u16 shld_word(u16 d, u16 fill, u8 s);
|
||||
u32 shld_long(u32 d, u32 fill, u8 s);
|
||||
u16 shrd_word(u16 d, u16 fill, u8 s);
|
||||
u32 shrd_long(u32 d, u32 fill, u8 s);
|
||||
u8 sbb_byte(u8 d, u8 s);
|
||||
u16 sbb_word(u16 d, u16 s);
|
||||
u32 sbb_long(u32 d, u32 s);
|
||||
u8 sub_byte(u8 d, u8 s);
|
||||
u16 sub_word(u16 d, u16 s);
|
||||
u32 sub_long(u32 d, u32 s);
|
||||
void test_byte(u8 d, u8 s);
|
||||
void test_word(u16 d, u16 s);
|
||||
void test_long(u32 d, u32 s);
|
||||
u8 xor_byte(u8 d, u8 s);
|
||||
u16 xor_word(u16 d, u16 s);
|
||||
u32 xor_long(u32 d, u32 s);
|
||||
void imul_byte(u8 s);
|
||||
void imul_word(u16 s);
|
||||
void imul_long(u32 s);
|
||||
void imul_long_direct(u32 * res_lo, u32 * res_hi, u32 d, u32 s);
|
||||
void mul_byte(u8 s);
|
||||
void mul_word(u16 s);
|
||||
void mul_long(u32 s);
|
||||
void idiv_byte(u8 s);
|
||||
void idiv_word(u16 s);
|
||||
void idiv_long(u32 s);
|
||||
void div_byte(u8 s);
|
||||
void div_word(u16 s);
|
||||
void div_long(u32 s);
|
||||
void ins(int size);
|
||||
void outs(int size);
|
||||
u16 mem_access_word(int addr);
|
||||
void push_word(u16 w);
|
||||
void push_long(u32 w);
|
||||
u16 pop_word(void);
|
||||
u32 pop_long(void);
|
||||
void cpuid(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* End of "C" linkage for C++ */
|
||||
#endif
|
||||
#endif /* __X86EMU_PRIM_OPS_H */
|
||||
@@ -0,0 +1,77 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* Inline helpers for x86emu
|
||||
*
|
||||
* Copyright (C) 2008 Bart Trojanowski, Symbio Technologies, LLC
|
||||
*
|
||||
* ========================================================================
|
||||
*
|
||||
* 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: GNU C
|
||||
* Environment: GCC on i386 or x86-64
|
||||
* Developer: Bart Trojanowski
|
||||
*
|
||||
* Description: This file defines a few x86 macros that can be used by the
|
||||
* emulator to execute native instructions.
|
||||
*
|
||||
* For PIC vs non-PIC code refer to:
|
||||
* http://sam.zoy.org/blog/2007-04-13-shlib-with-non-pic-code-have-inline-assembly-and-pic-mix-well
|
||||
*
|
||||
****************************************************************************/
|
||||
#ifndef __X86EMU_PRIM_X86_GCC_H
|
||||
#define __X86EMU_PRIM_X86_GCC_H
|
||||
|
||||
#include "x86emu/types.h"
|
||||
|
||||
#if !defined(__GNUC__) || !(defined (__i386__) || defined(__i386) || defined(__AMD64__) || defined(__amd64__))
|
||||
#error This file is intended to be used by gcc on i386 or x86-64 system
|
||||
#endif
|
||||
|
||||
#if defined(__PIC__) && defined(__i386__)
|
||||
|
||||
#define X86EMU_HAS_HW_CPUID 1
|
||||
static inline void
|
||||
hw_cpuid(u32 * a, u32 * b, u32 * c, u32 * d)
|
||||
{
|
||||
__asm__ __volatile__("pushl %%ebx \n\t"
|
||||
"cpuid \n\t"
|
||||
"movl %%ebx, %1 \n\t"
|
||||
"popl %%ebx \n\t":"=a"(*a), "=r"(*b),
|
||||
"=c"(*c), "=d"(*d)
|
||||
:"a"(*a), "c"(*c)
|
||||
:"cc");
|
||||
}
|
||||
|
||||
#else /* ! (__PIC__ && __i386__) */
|
||||
|
||||
#define x86EMU_HAS_HW_CPUID 1
|
||||
static inline void
|
||||
hw_cpuid(u32 * a, u32 * b, u32 * c, u32 * d)
|
||||
{
|
||||
__asm__ __volatile__("cpuid":"=a"(*a), "=b"(*b), "=c"(*c), "=d"(*d)
|
||||
:"a"(*a), "c"(*c)
|
||||
:"cc");
|
||||
}
|
||||
|
||||
#endif /* __PIC__ && __i386__ */
|
||||
|
||||
#endif /* __X86EMU_PRIM_X86_GCC_H */
|
||||
@@ -0,0 +1,342 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 x86 register definitions.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_REGS_H
|
||||
#define __X86EMU_REGS_H
|
||||
|
||||
/*---------------------- Macros and type definitions ----------------------*/
|
||||
|
||||
#ifdef PACK
|
||||
#pragma PACK
|
||||
#endif
|
||||
|
||||
/*
|
||||
* General EAX, EBX, ECX, EDX type registers. Note that for
|
||||
* portability, and speed, the issue of byte swapping is not addressed
|
||||
* in the registers. All registers are stored in the default format
|
||||
* available on the host machine. The only critical issue is that the
|
||||
* registers should line up EXACTLY in the same manner as they do in
|
||||
* the 386. That is:
|
||||
*
|
||||
* EAX & 0xff === AL
|
||||
* EAX & 0xffff == AX
|
||||
*
|
||||
* etc. The result is that alot of the calculations can then be
|
||||
* done using the native instruction set fully.
|
||||
*/
|
||||
|
||||
#ifdef __BIG_ENDIAN__
|
||||
|
||||
typedef struct {
|
||||
u32 e_reg;
|
||||
} I32_reg_t;
|
||||
|
||||
typedef struct {
|
||||
u16 filler0, x_reg;
|
||||
} I16_reg_t;
|
||||
|
||||
typedef struct {
|
||||
u8 filler0, filler1, h_reg, l_reg;
|
||||
} I8_reg_t;
|
||||
|
||||
#else /* !__BIG_ENDIAN__ */
|
||||
|
||||
typedef struct {
|
||||
u32 e_reg;
|
||||
} I32_reg_t;
|
||||
|
||||
typedef struct {
|
||||
u16 x_reg;
|
||||
} I16_reg_t;
|
||||
|
||||
typedef struct {
|
||||
u8 l_reg, h_reg;
|
||||
} I8_reg_t;
|
||||
|
||||
#endif /* BIG_ENDIAN */
|
||||
|
||||
typedef union {
|
||||
I32_reg_t I32_reg;
|
||||
I16_reg_t I16_reg;
|
||||
I8_reg_t I8_reg;
|
||||
} i386_general_register;
|
||||
|
||||
struct i386_general_regs {
|
||||
i386_general_register A, B, C, D;
|
||||
};
|
||||
|
||||
typedef struct i386_general_regs Gen_reg_t;
|
||||
|
||||
struct i386_special_regs {
|
||||
i386_general_register SP, BP, SI, DI, IP;
|
||||
u32 FLAGS;
|
||||
};
|
||||
|
||||
/*
|
||||
* Segment registers here represent the 16 bit quantities
|
||||
* CS, DS, ES, SS.
|
||||
*/
|
||||
|
||||
struct i386_segment_regs {
|
||||
u16 CS, DS, SS, ES, FS, GS;
|
||||
};
|
||||
|
||||
/* 8 bit registers */
|
||||
#define R_AH gen.A.I8_reg.h_reg
|
||||
#define R_AL gen.A.I8_reg.l_reg
|
||||
#define R_BH gen.B.I8_reg.h_reg
|
||||
#define R_BL gen.B.I8_reg.l_reg
|
||||
#define R_CH gen.C.I8_reg.h_reg
|
||||
#define R_CL gen.C.I8_reg.l_reg
|
||||
#define R_DH gen.D.I8_reg.h_reg
|
||||
#define R_DL gen.D.I8_reg.l_reg
|
||||
|
||||
/* 16 bit registers */
|
||||
#define R_AX gen.A.I16_reg.x_reg
|
||||
#define R_BX gen.B.I16_reg.x_reg
|
||||
#define R_CX gen.C.I16_reg.x_reg
|
||||
#define R_DX gen.D.I16_reg.x_reg
|
||||
|
||||
/* 32 bit extended registers */
|
||||
#define R_EAX gen.A.I32_reg.e_reg
|
||||
#define R_EBX gen.B.I32_reg.e_reg
|
||||
#define R_ECX gen.C.I32_reg.e_reg
|
||||
#define R_EDX gen.D.I32_reg.e_reg
|
||||
|
||||
/* special registers */
|
||||
#define R_SP spc.SP.I16_reg.x_reg
|
||||
#define R_BP spc.BP.I16_reg.x_reg
|
||||
#define R_SI spc.SI.I16_reg.x_reg
|
||||
#define R_DI spc.DI.I16_reg.x_reg
|
||||
#define R_IP spc.IP.I16_reg.x_reg
|
||||
#define R_FLG spc.FLAGS
|
||||
|
||||
/* special registers */
|
||||
#define R_SP spc.SP.I16_reg.x_reg
|
||||
#define R_BP spc.BP.I16_reg.x_reg
|
||||
#define R_SI spc.SI.I16_reg.x_reg
|
||||
#define R_DI spc.DI.I16_reg.x_reg
|
||||
#define R_IP spc.IP.I16_reg.x_reg
|
||||
#define R_FLG spc.FLAGS
|
||||
|
||||
/* special registers */
|
||||
#define R_ESP spc.SP.I32_reg.e_reg
|
||||
#define R_EBP spc.BP.I32_reg.e_reg
|
||||
#define R_ESI spc.SI.I32_reg.e_reg
|
||||
#define R_EDI spc.DI.I32_reg.e_reg
|
||||
#define R_EIP spc.IP.I32_reg.e_reg
|
||||
#define R_EFLG spc.FLAGS
|
||||
|
||||
/* segment registers */
|
||||
#define R_CS seg.CS
|
||||
#define R_DS seg.DS
|
||||
#define R_SS seg.SS
|
||||
#define R_ES seg.ES
|
||||
#define R_FS seg.FS
|
||||
#define R_GS seg.GS
|
||||
|
||||
/* flag conditions */
|
||||
#define FB_CF 0x0001 /* CARRY flag */
|
||||
#define FB_PF 0x0004 /* PARITY flag */
|
||||
#define FB_AF 0x0010 /* AUX flag */
|
||||
#define FB_ZF 0x0040 /* ZERO flag */
|
||||
#define FB_SF 0x0080 /* SIGN flag */
|
||||
#define FB_TF 0x0100 /* TRAP flag */
|
||||
#define FB_IF 0x0200 /* INTERRUPT ENABLE flag */
|
||||
#define FB_DF 0x0400 /* DIR flag */
|
||||
#define FB_OF 0x0800 /* OVERFLOW flag */
|
||||
|
||||
/* 80286 and above always have bit#1 set */
|
||||
#define F_ALWAYS_ON (0x0002) /* flag bits always on */
|
||||
|
||||
/*
|
||||
* Define a mask for only those flag bits we will ever pass back
|
||||
* (via PUSHF)
|
||||
*/
|
||||
#define F_MSK (FB_CF|FB_PF|FB_AF|FB_ZF|FB_SF|FB_TF|FB_IF|FB_DF|FB_OF)
|
||||
|
||||
/* following bits masked in to a 16bit quantity */
|
||||
|
||||
#define F_CF 0x0001 /* CARRY flag */
|
||||
#define F_PF 0x0004 /* PARITY flag */
|
||||
#define F_AF 0x0010 /* AUX flag */
|
||||
#define F_ZF 0x0040 /* ZERO flag */
|
||||
#define F_SF 0x0080 /* SIGN flag */
|
||||
#define F_TF 0x0100 /* TRAP flag */
|
||||
#define F_IF 0x0200 /* INTERRUPT ENABLE flag */
|
||||
#define F_DF 0x0400 /* DIR flag */
|
||||
#define F_OF 0x0800 /* OVERFLOW flag */
|
||||
|
||||
#define TOGGLE_FLAG(flag) (M.x86.R_FLG ^= (flag))
|
||||
#define SET_FLAG(flag) (M.x86.R_FLG |= (flag))
|
||||
#define CLEAR_FLAG(flag) (M.x86.R_FLG &= ~(flag))
|
||||
#define ACCESS_FLAG(flag) (M.x86.R_FLG & (flag))
|
||||
#define CLEARALL_FLAG(m) (M.x86.R_FLG = 0)
|
||||
|
||||
#define CONDITIONAL_SET_FLAG(COND,FLAG) \
|
||||
if (COND) SET_FLAG(FLAG); else CLEAR_FLAG(FLAG)
|
||||
|
||||
#define F_PF_CALC 0x010000 /* PARITY flag has been calced */
|
||||
#define F_ZF_CALC 0x020000 /* ZERO flag has been calced */
|
||||
#define F_SF_CALC 0x040000 /* SIGN flag has been calced */
|
||||
|
||||
#define F_ALL_CALC 0xff0000 /* All have been calced */
|
||||
|
||||
/*
|
||||
* Emulator machine state.
|
||||
* Segment usage control.
|
||||
*/
|
||||
#define SYSMODE_SEG_DS_SS 0x00000001
|
||||
#define SYSMODE_SEGOVR_CS 0x00000002
|
||||
#define SYSMODE_SEGOVR_DS 0x00000004
|
||||
#define SYSMODE_SEGOVR_ES 0x00000008
|
||||
#define SYSMODE_SEGOVR_FS 0x00000010
|
||||
#define SYSMODE_SEGOVR_GS 0x00000020
|
||||
#define SYSMODE_SEGOVR_SS 0x00000040
|
||||
#define SYSMODE_PREFIX_REPE 0x00000080
|
||||
#define SYSMODE_PREFIX_REPNE 0x00000100
|
||||
#define SYSMODE_PREFIX_DATA 0x00000200
|
||||
#define SYSMODE_PREFIX_ADDR 0x00000400
|
||||
#define SYSMODE_INTR_PENDING 0x10000000
|
||||
#define SYSMODE_EXTRN_INTR 0x20000000
|
||||
#define SYSMODE_HALTED 0x40000000
|
||||
|
||||
#define SYSMODE_SEGMASK (SYSMODE_SEG_DS_SS | \
|
||||
SYSMODE_SEGOVR_CS | \
|
||||
SYSMODE_SEGOVR_DS | \
|
||||
SYSMODE_SEGOVR_ES | \
|
||||
SYSMODE_SEGOVR_FS | \
|
||||
SYSMODE_SEGOVR_GS | \
|
||||
SYSMODE_SEGOVR_SS)
|
||||
#define SYSMODE_CLRMASK (SYSMODE_SEG_DS_SS | \
|
||||
SYSMODE_SEGOVR_CS | \
|
||||
SYSMODE_SEGOVR_DS | \
|
||||
SYSMODE_SEGOVR_ES | \
|
||||
SYSMODE_SEGOVR_FS | \
|
||||
SYSMODE_SEGOVR_GS | \
|
||||
SYSMODE_SEGOVR_SS | \
|
||||
SYSMODE_PREFIX_DATA | \
|
||||
SYSMODE_PREFIX_ADDR)
|
||||
|
||||
#define INTR_SYNCH 0x1
|
||||
#define INTR_ASYNCH 0x2
|
||||
#define INTR_HALTED 0x4
|
||||
|
||||
typedef struct {
|
||||
struct i386_general_regs gen;
|
||||
struct i386_special_regs spc;
|
||||
struct i386_segment_regs seg;
|
||||
/*
|
||||
* MODE contains information on:
|
||||
* REPE prefix 2 bits repe,repne
|
||||
* SEGMENT overrides 5 bits normal,DS,SS,CS,ES
|
||||
* Delayed flag set 3 bits (zero, signed, parity)
|
||||
* reserved 6 bits
|
||||
* interrupt # 8 bits instruction raised interrupt
|
||||
* BIOS video segregs 4 bits
|
||||
* Interrupt Pending 1 bits
|
||||
* Extern interrupt 1 bits
|
||||
* Halted 1 bits
|
||||
*/
|
||||
u32 mode;
|
||||
volatile int intr; /* mask of pending interrupts */
|
||||
int debug;
|
||||
#ifdef DEBUG
|
||||
int check;
|
||||
u16 saved_ip;
|
||||
u16 saved_cs;
|
||||
int enc_pos;
|
||||
int enc_str_pos;
|
||||
char decode_buf[32]; /* encoded byte stream */
|
||||
char decoded_buf[256]; /* disassembled strings */
|
||||
#endif
|
||||
u8 intno;
|
||||
u8 __pad[3];
|
||||
} X86EMU_regs;
|
||||
|
||||
/****************************************************************************
|
||||
REMARKS:
|
||||
Structure maintaining the emulator machine state.
|
||||
|
||||
MEMBERS:
|
||||
mem_base - Base real mode memory for the emulator
|
||||
mem_size - Size of the real mode memory block for the emulator
|
||||
private - private data pointer
|
||||
x86 - X86 registers
|
||||
****************************************************************************/
|
||||
typedef struct {
|
||||
unsigned long mem_base;
|
||||
unsigned long mem_size;
|
||||
#ifdef __cplusplus
|
||||
void *_private;
|
||||
#else
|
||||
void *private;
|
||||
#endif
|
||||
X86EMU_regs x86;
|
||||
} X86EMU_sysEnv;
|
||||
|
||||
#ifdef END_PACK
|
||||
#pragma END_PACK
|
||||
#endif
|
||||
|
||||
/*----------------------------- Global Variables --------------------------*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" { /* Use "C" linkage when in C++ mode */
|
||||
#endif
|
||||
|
||||
/* Global emulator machine state.
|
||||
*
|
||||
* We keep it global to avoid pointer dereferences in the code for speed.
|
||||
*/
|
||||
|
||||
extern X86EMU_sysEnv _X86EMU_env;
|
||||
#define M _X86EMU_env
|
||||
|
||||
/*-------------------------- Function Prototypes --------------------------*/
|
||||
|
||||
/* Function to log information at runtime */
|
||||
|
||||
#include <KernelExport.h>
|
||||
#define printk(fmt...) dprintf(fmt)
|
||||
// void printk(const char *fmt, ...);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* End of "C" linkage for C++ */
|
||||
#endif
|
||||
#endif /* __X86EMU_REGS_H */
|
||||
@@ -0,0 +1,80 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 x86 emulator type definitions.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_TYPES_H
|
||||
#define __X86EMU_TYPES_H
|
||||
|
||||
#ifndef NO_SYS_HEADERS
|
||||
#include <sys/types.h>
|
||||
#endif
|
||||
|
||||
/*
|
||||
* The following kludge is an attempt to work around typedef conflicts with
|
||||
* <sys/types.h>.
|
||||
*/
|
||||
#define u8 x86emuu8
|
||||
#define u16 x86emuu16
|
||||
#define u32 x86emuu32
|
||||
#define u64 x86emuu64
|
||||
#define s8 x86emus8
|
||||
#define s16 x86emus16
|
||||
#define s32 x86emus32
|
||||
#define s64 x86emus64
|
||||
#define uint x86emuuint
|
||||
#define sint x86emusint
|
||||
|
||||
/*---------------------- Macros and type definitions ----------------------*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
typedef uint8_t u8;
|
||||
typedef uint16_t u16;
|
||||
typedef uint32_t u32;
|
||||
typedef uint64_t u64;
|
||||
|
||||
typedef int8_t s8;
|
||||
typedef int16_t s16;
|
||||
typedef int32_t s32;
|
||||
typedef int64_t s64;
|
||||
|
||||
typedef unsigned int uint;
|
||||
typedef int sint;
|
||||
|
||||
typedef u16 X86EMU_pioAddr;
|
||||
|
||||
#endif /* __X86EMU_TYPES_H */
|
||||
@@ -0,0 +1,100 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* 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 system specific functions. These functions
|
||||
* are always compiled and linked in the OS depedent libraries,
|
||||
* and never in a binary portable driver.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __X86EMU_X86EMUI_H
|
||||
#define __X86EMU_X86EMUI_H
|
||||
|
||||
/* If we are compiling in C++ mode, we can compile some functions as
|
||||
* inline to increase performance (however the code size increases quite
|
||||
* dramatically in this case).
|
||||
*/
|
||||
|
||||
#if defined(__cplusplus) && !defined(_NO_INLINE)
|
||||
#define _INLINE inline
|
||||
#else
|
||||
#define _INLINE static
|
||||
#endif
|
||||
|
||||
/* Get rid of unused parameters in C++ compilation mode */
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define X86EMU_UNUSED(v)
|
||||
#else
|
||||
#define X86EMU_UNUSED(v) v
|
||||
#endif
|
||||
|
||||
#include "x86emu.h"
|
||||
#include "x86emu/regs.h"
|
||||
#include "x86emu/debug.h"
|
||||
#include "x86emu/decode.h"
|
||||
#include "x86emu/ops.h"
|
||||
#include "x86emu/prim_ops.h"
|
||||
#include "x86emu/fpu.h"
|
||||
#include "x86emu/fpu_regs.h"
|
||||
|
||||
#ifndef NO_SYS_HEADERS
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#endif
|
||||
/*--------------------------- Inline Functions ----------------------------*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" { /* Use "C" linkage when in C++ mode */
|
||||
#endif
|
||||
|
||||
extern u8(X86APIP sys_rdb) (u32 addr);
|
||||
extern u16(X86APIP sys_rdw) (u32 addr);
|
||||
extern u32(X86APIP sys_rdl) (u32 addr);
|
||||
extern void (X86APIP sys_wrb) (u32 addr, u8 val);
|
||||
extern void (X86APIP sys_wrw) (u32 addr, u16 val);
|
||||
extern void (X86APIP sys_wrl) (u32 addr, u32 val);
|
||||
|
||||
extern u8(X86APIP sys_inb) (X86EMU_pioAddr addr);
|
||||
extern u16(X86APIP sys_inw) (X86EMU_pioAddr addr);
|
||||
extern u32(X86APIP sys_inl) (X86EMU_pioAddr addr);
|
||||
extern void (X86APIP sys_outb) (X86EMU_pioAddr addr, u8 val);
|
||||
extern void (X86APIP sys_outw) (X86EMU_pioAddr addr, u16 val);
|
||||
extern void (X86APIP sys_outl) (X86EMU_pioAddr addr, u32 val);
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /* End of "C" linkage for C++ */
|
||||
#endif
|
||||
#endif /* __X86EMU_X86EMUI_H */
|
||||
Reference in New Issue
Block a user