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/****************************************************************************
*
* BIOS emulator and interface
* to Realmode X86 Emulator Library
*
* Copyright (C) 1996-1999 SciTech Software, Inc.
*
* ========================================================================
*
* 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 the real mode x86 BIOS emulator, which is
* used to warmboot any number of VGA compatible PCI/AGP
* controllers under any OS, on any processor family that
* supports PCI. We also allow the user application to call
* real mode BIOS functions and Int 10h functions (including
* the VESA BIOS).
*
****************************************************************************/
#ifndef __BIOSEMU_H
#define __BIOSEMU_H
#include "x86emu.h"
#include "pmapi.h"
#include "pcilib.h"
/*---------------------- Macros and type definitions ----------------------*/
#pragma pack(1)
/****************************************************************************
REMARKS:
Data structure used to describe the details specific to a particular VGA
controller. This information is used to allow the VGA controller to be
swapped on the fly within the BIOS emulator.
HEADER:
biosemu.h
MEMBERS:
pciInfo - PCI device information block for the controller
BIOSImage - Pointer to a read/write copy of the BIOS image
BIOSImageLen - Length of the BIOS image
LowMem - Copy of key low memory areas
****************************************************************************/
typedef struct {
PCIDeviceInfo *pciInfo;
void *BIOSImage;
ulong BIOSImageLen;
uchar LowMem[1536];
} BE_VGAInfo;
/****************************************************************************
REMARKS:
Data structure used to describe the details for the BIOS emulator system
environment as used by the X86 emulator library.
HEADER:
biosemu.h
MEMBERS:
vgaInfo - VGA BIOS information structure
biosmem_base - Base of the BIOS image
biosmem_limit - Limit of the BIOS image
busmem_base - Base of the VGA bus memory
****************************************************************************/
typedef struct {
BE_VGAInfo vgaInfo;
ulong biosmem_base;
ulong biosmem_limit;
ulong busmem_base;
} BE_sysEnv;
/****************************************************************************
REMARKS:
Structure defining all the BIOS Emulator API functions as exported from
the Binary Portable DLL.
{secret}
****************************************************************************/
typedef struct {
ulong dwSize;
ibool (PMAPIP BE_init)(u32 debugFlags,int memSize,BE_VGAInfo *info);
void (PMAPIP BE_setVGA)(BE_VGAInfo *info);
void (PMAPIP BE_getVGA)(BE_VGAInfo *info);
void * (PMAPIP BE_mapRealPointer)(uint r_seg,uint r_off);
void * (PMAPIP BE_getVESABuf)(uint *len,uint *rseg,uint *roff);
void (PMAPIP BE_callRealMode)(uint seg,uint off,RMREGS *regs,RMSREGS *sregs);
int (PMAPIP BE_int86)(int intno,RMREGS *in,RMREGS *out);
int (PMAPIP BE_int86x)(int intno,RMREGS *in,RMREGS *out,RMSREGS *sregs);
void * reserved1;
void (PMAPIP BE_exit)(void);
} BE_exports;
/****************************************************************************
REMARKS:
Function pointer type for the Binary Portable DLL initialisation entry point.
{secret}
****************************************************************************/
typedef BE_exports * (PMAPIP BE_initLibrary_t)(PM_imports *PMImp);
#pragma pack()
/*---------------------------- Global variables ---------------------------*/
#ifdef __cplusplus
extern "C" { /* Use "C" linkage when in C++ mode */
#endif
/* {secret} Global BIOS emulator system environment */
extern BE_sysEnv _BE_env;
/*-------------------------- Function Prototypes --------------------------*/
/* BIOS emulator library entry points */
ibool PMAPI BE_init(u32 debugFlags,int memSize,BE_VGAInfo *info);
void PMAPI BE_setVGA(BE_VGAInfo *info);
void PMAPI BE_getVGA(BE_VGAInfo *info);
void PMAPI BE_setDebugFlags(u32 debugFlags);
void * PMAPI BE_mapRealPointer(uint r_seg,uint r_off);
void * PMAPI BE_getVESABuf(uint *len,uint *rseg,uint *roff);
void PMAPI BE_callRealMode(uint seg,uint off,RMREGS *regs,RMSREGS *sregs);
int PMAPI BE_int86(int intno,RMREGS *in,RMREGS *out);
int PMAPI BE_int86x(int intno,RMREGS *in,RMREGS *out,RMSREGS *sregs);
void PMAPI BE_exit(void);
#ifdef __cplusplus
} /* End of "C" linkage for C++ */
#endif
#endif /* __BIOSEMU_H */
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