--- /dev/null
+/****************************************************************************
+*
+* 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 public specific functions.
+* Any application linking against us should only
+* include this header
+*
+****************************************************************************/
+
+#ifndef __X86EMU_X86EMU_H
+#define __X86EMU_X86EMU_H
+
+#include <asm/types.h>
+#include <common.h>
+#include <pci.h>
+#include <asm/io.h>
+#define X86API
+#define X86APIP *
+typedef u16 X86EMU_pioAddr;
+
+#include "x86emu/regs.h"
+
+/*---------------------- Macros and type definitions ----------------------*/
+
+#if defined (CONFIG_ARM)
+#define GAS_LINE_COMMENT "@"
+#elif defined(CONFIG_MIPS) || defined(CONFIG_PPC)
+#define GAS_LINE_COMMENT "#"
+#elif defined (CONFIG_SH)
+#define GAS_LINE_COMMENT "!"
+#endif
+
+#define GOT2_TYPE ".got2,\"aw\"\t"GAS_LINE_COMMENT
+
+#pragma pack(1)
+
+/****************************************************************************
+REMARKS:
+Data structure containing ponters to programmed I/O functions used by the
+emulator. This is used so that the user program can hook all programmed
+I/O for the emulator to handled as necessary by the user program. By
+default the emulator contains simple functions that do not do access the
+hardware in any way. To allow the emualtor access the hardware, you will
+need to override the programmed I/O functions using the X86EMU_setupPioFuncs
+function.
+
+HEADER:
+x86emu.h
+
+MEMBERS:
+inb - Function to read a byte from an I/O port
+inw - Function to read a word from an I/O port
+inl - Function to read a dword from an I/O port
+outb - Function to write a byte to an I/O port
+outw - Function to write a word to an I/O port
+outl - Function to write a dword to an I/O port
+****************************************************************************/
+typedef struct {
+ u8(X86APIP inb) (X86EMU_pioAddr addr);
+ u16(X86APIP inw) (X86EMU_pioAddr addr);
+ u32(X86APIP inl) (X86EMU_pioAddr addr);
+ void (X86APIP outb) (X86EMU_pioAddr addr, u8 val);
+ void (X86APIP outw) (X86EMU_pioAddr addr, u16 val);
+ void (X86APIP outl) (X86EMU_pioAddr addr, u32 val);
+} X86EMU_pioFuncs;
+
+/****************************************************************************
+REMARKS:
+Data structure containing ponters to memory access functions used by the
+emulator. This is used so that the user program can hook all memory
+access functions as necessary for the emulator. By default the emulator
+contains simple functions that only access the internal memory of the
+emulator. If you need specialised functions to handle access to different
+types of memory (ie: hardware framebuffer accesses and BIOS memory access
+etc), you will need to override this using the X86EMU_setupMemFuncs
+function.
+
+HEADER:
+x86emu.h
+
+MEMBERS:
+rdb - Function to read a byte from an address
+rdw - Function to read a word from an address
+rdl - Function to read a dword from an address
+wrb - Function to write a byte to an address
+wrw - Function to write a word to an address
+wrl - Function to write a dword to an address
+****************************************************************************/
+typedef struct {
+ u8(X86APIP rdb) (u32 addr);
+ u16(X86APIP rdw) (u32 addr);
+ u32(X86APIP rdl) (u32 addr);
+ void (X86APIP wrb) (u32 addr, u8 val);
+ void (X86APIP wrw) (u32 addr, u16 val);
+ void (X86APIP wrl) (u32 addr, u32 val);
+} X86EMU_memFuncs;
+
+/****************************************************************************
+ Here are the default memory read and write
+ function in case they are needed as fallbacks.
+***************************************************************************/
+extern u8 X86API rdb(u32 addr);
+extern u16 X86API rdw(u32 addr);
+extern u32 X86API rdl(u32 addr);
+extern void X86API wrb(u32 addr, u8 val);
+extern void X86API wrw(u32 addr, u16 val);
+extern void X86API wrl(u32 addr, u32 val);
+
+#pragma pack()
+
+/*--------------------- type definitions -----------------------------------*/
+
+typedef void (X86APIP X86EMU_intrFuncs) (int num);
+extern X86EMU_intrFuncs _X86EMU_intrTab[256];
+
+/*-------------------------- Function Prototypes --------------------------*/
+
+#ifdef __cplusplus
+extern "C" { /* Use "C" linkage when in C++ mode */
+#endif
+
+ void X86EMU_setupMemFuncs(X86EMU_memFuncs * funcs);
+ void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs);
+ void X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]);
+ void X86EMU_prepareForInt(int num);
+
+/* decode.c */
+
+ void X86EMU_exec(void);
+ void X86EMU_halt_sys(void);
+
+#ifdef DEBUG
+#define HALT_SYS() \
+ printf("halt_sys: file %s, line %d\n", __FILE__, __LINE__), \
+ X86EMU_halt_sys()
+#else
+#define HALT_SYS() X86EMU_halt_sys()
+#endif
+
+/* Debug options */
+
+#define DEBUG_DECODE_F 0x0001 /* print decoded instruction */
+#define DEBUG_TRACE_F 0x0002 /* dump regs before/after execution */
+#define DEBUG_STEP_F 0x0004
+#define DEBUG_DISASSEMBLE_F 0x0008
+#define DEBUG_BREAK_F 0x0010
+#define DEBUG_SVC_F 0x0020
+#define DEBUG_SAVE_CS_IP 0x0040
+#define DEBUG_FS_F 0x0080
+#define DEBUG_PROC_F 0x0100
+#define DEBUG_SYSINT_F 0x0200 /* bios system interrupts. */
+#define DEBUG_TRACECALL_F 0x0400
+#define DEBUG_INSTRUMENT_F 0x0800
+#define DEBUG_MEM_TRACE_F 0x1000
+#define DEBUG_IO_TRACE_F 0x2000
+#define DEBUG_TRACECALL_REGS_F 0x4000
+#define DEBUG_DECODE_NOPRINT_F 0x8000
+#define DEBUG_EXIT 0x10000
+#define DEBUG_SYS_F (DEBUG_SVC_F|DEBUG_FS_F|DEBUG_PROC_F)
+
+ void X86EMU_trace_regs(void);
+ void X86EMU_trace_xregs(void);
+ void X86EMU_dump_memory(u16 seg, u16 off, u32 amt);
+ int X86EMU_trace_on(void);
+ int X86EMU_trace_off(void);
+
+#ifdef __cplusplus
+} /* End of "C" linkage for C++ */
+#endif
+#endif /* __X86EMU_X86EMU_H */
Code Review / kvmfornfv.git / blobdiff