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Diffstat (limited to 'board/MAI/bios_emulator/scitech/include/biosemu.h')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/include/biosemu.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/include/biosemu.h b/board/MAI/bios_emulator/scitech/include/biosemu.h new file mode 100644 index 0000000000..e38ff3157f --- /dev/null +++ b/board/MAI/bios_emulator/scitech/include/biosemu.h @@ -0,0 +1,155 @@ +/**************************************************************************** +* +* 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 */ + |
