b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/****************************************************************************
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Realmode X86 Emulator Library
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Copyright (C) 1996-1999 SciTech Software, Inc.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Copyright (C) David Mosberger-Tang
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Copyright (C) 1999 Egbert Eich
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* ========================================================================
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Permission to use, copy, modify, distribute, and sell this software and
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* its documentation for any purpose is hereby granted without fee,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* provided that the above copyright notice appear in all copies and that
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* both that copyright notice and this permission notice appear in
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* supporting documentation, and that the name of the authors not be used
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* in advertising or publicity pertaining to distribution of the software
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* without specific, written prior permission. The authors makes no
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* representations about the suitability of this software for any purpose.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* It is provided "as is" without express or implied warranty.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* PERFORMANCE OF THIS SOFTWARE.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* ========================================================================
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Language: ANSI C
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Environment: Any
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Developer: Kendall Bennett
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Description: Header file for public specific functions.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* Any application linking against us should only
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync* include this header
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync****************************************************************************/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/*---------------------- Macros and type definitions ----------------------*/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync# pragma PACK /* Don't pack structs with function pointers! */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/****************************************************************************
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncData structure containing ponters to programmed I/O functions used by the
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncemulator. This is used so that the user program can hook all programmed
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncI/O for the emulator to handled as necessary by the user program. By
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncdefault the emulator contains simple functions that do not do access the
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynchardware in any way. To allow the emualtor access the hardware, you will
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncneed to override the programmed I/O functions using the X86EMU_setupPioFuncs
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncinb - Function to read a byte from an I/O port
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncinw - Function to read a word from an I/O port
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncinl - Function to read a dword from an I/O port
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncoutb - Function to write a byte to an I/O port
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncoutw - Function to write a word to an I/O port
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncoutl - Function to write a dword to an I/O port
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync****************************************************************************/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef struct {
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/****************************************************************************
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncData structure containing ponters to memory access functions used by the
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncemulator. This is used so that the user program can hook all memory
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncaccess functions as necessary for the emulator. By default the emulator
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynccontains simple functions that only access the internal memory of the
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncemulator. If you need specialised functions to handle access to different
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypes of memory (ie: hardware framebuffer accesses and BIOS memory access
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncetc), you will need to override this using the X86EMU_setupMemFuncs
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncrdb - Function to read a byte from an address
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncrdw - Function to read a word from an address
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncrdl - Function to read a dword from an address
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncwrb - Function to write a byte to an address
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncwrw - Function to write a word to an address
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncwrl - Function to write a dword to an address
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync****************************************************************************/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef struct {
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/****************************************************************************
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync Here are the default memory read and write
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync function in case they are needed as fallbacks.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync***************************************************************************/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/*--------------------- type definitions -----------------------------------*/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/*-------------------------- Function Prototypes --------------------------*/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncvoid X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync printk("halt_sys: file %s, line %d\n", __FILE__, __LINE__), \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Debug options */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define DEBUG_DECODE_F 0x000001 /* print decoded instruction */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define DEBUG_TRACE_F 0x000002 /* dump regs before/after execution */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define DEBUG_SYSINT_F 0x000200 /* bios system interrupts. */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define DEBUG_SYS_F (DEBUG_SVC_F|DEBUG_FS_F|DEBUG_PROC_F)
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync} /* End of "C" linkage for C++ */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#endif /* __X86EMU_X86EMU_H */