/* * Misc. emulation definitions * * Copyright 1995 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __WINE_MISCEMU_H #define __WINE_MISCEMU_H #include "windef.h" #include "selectors.h" #include "wine/windef16.h" /* msdos/dosconf.c */ extern int DOSCONF_ReadConfig(void); /* msdos/dosmem.c */ #include "pshpack1.h" typedef struct { WORD Com1Addr; /* 00: COM1 I/O address */ WORD Com2Addr; /* 02: COM2 I/O address */ WORD Com3Addr; /* 04: COM3 I/O address */ WORD Com4Addr; /* 06: COM4 I/O address */ WORD Lpt1Addr; /* 08: LPT1 I/O address */ WORD Lpt2Addr; /* 0a: LPT2 I/O address */ WORD Lpt3Addr; /* 0c: LPT3 I/O address */ WORD Lpt4Addr; /* 0e: LPT4 I/O address */ WORD InstalledHardware; /* 10: Installed hardware flags */ BYTE POSTstatus; /* 12: Power-On Self Test status */ WORD MemSize WINE_PACKED; /* 13: Base memory size in Kb */ WORD unused1 WINE_PACKED; /* 15: Manufacturing test scratch pad */ BYTE KbdFlags1; /* 17: Keyboard flags 1 */ BYTE KbdFlags2; /* 18: Keyboard flags 2 */ BYTE unused2; /* 19: Keyboard driver workspace */ WORD NextKbdCharPtr; /* 1a: Next character in kbd buffer */ WORD FirstKbdCharPtr; /* 1c: First character in kbd buffer */ WORD KbdBuffer[16]; /* 1e: Keyboard buffer */ BYTE DisketteStatus1; /* 3e: Diskette recalibrate status */ BYTE DisketteStatus2; /* 3f: Diskette motor status */ BYTE DisketteStatus3; /* 40: Diskette motor timeout */ BYTE DisketteStatus4; /* 41: Diskette last operation status */ BYTE DiskStatus[7]; /* 42: Disk status/command bytes */ BYTE VideoMode; /* 49: Video mode */ WORD VideoColumns; /* 4a: Number of columns */ WORD VideoPageSize; /* 4c: Video page size in bytes */ WORD VideoPageStartAddr; /* 4e: Video page start address */ BYTE VideoCursorPos[16]; /* 50: Cursor position for 8 pages, column/row order */ WORD VideoCursorType; /* 60: Video cursor type */ BYTE VideoCurPage; /* 62: Video current page */ WORD VideoCtrlAddr WINE_PACKED; /* 63: Video controller address */ BYTE VideoReg1; /* 65: Video mode select register */ BYTE VideoReg2; /* 66: Video CGA palette register */ DWORD ResetEntry WINE_PACKED; /* 67: Warm reset entry point */ BYTE LastIRQ; /* 6b: Last unexpected interrupt */ DWORD Ticks; /* 6c: Ticks since midnight */ BYTE TicksOverflow; /* 70: Timer overflow if past midnight */ BYTE CtrlBreakFlag; /* 71: Ctrl-Break flag */ WORD ResetFlag; /* 72: POST Reset flag */ BYTE DiskOpStatus; /* 74: Last hard-disk operation status */ BYTE NbHardDisks; /* 75: Number of hard disks */ BYTE DiskCtrlByte; /* 76: Disk control byte */ BYTE DiskIOPort; /* 77: Disk I/O port offset */ BYTE LptTimeout[4]; /* 78: Timeouts for parallel ports */ BYTE ComTimeout[4]; /* 7c: Timeouts for serial ports */ WORD KbdBufferStart; /* 80: Keyboard buffer start */ WORD KbdBufferEnd; /* 82: Keyboard buffer end */ BYTE RowsOnScreenMinus1; /* 84: EGA only */ WORD BytesPerChar WINE_PACKED; /* 85: EGA only */ BYTE ModeOptions; /* 87: EGA only */ BYTE FeatureBitsSwitches; /* 88: EGA only */ BYTE VGASettings; /* 89: VGA misc settings */ BYTE DisplayCombination; /* 8A: VGA display combinations */ BYTE DiskDataRate; /* 8B: Last disk data rate selected */ } BIOSDATA; typedef struct { DWORD StaticFuncTable; /* 00: static functionality table */ BYTE VideoMode; /* 04: video mode in effect */ WORD NumberColumns; /* 05: number of columns */ WORD RegenBufLen; /* 07: length of regen buffer in bytes */ WORD RegenBufAddr; /* 09: starting address of regen buffer */ WORD CursorPos[8]; /* 0B: cursor position for page 0..7 */ WORD CursorType; /* 1B: cursor "type" (start/stop scan lines) */ BYTE ActivePage; /* 1D: active display page */ WORD CRTCPort; /* 1E: CRTC port address */ BYTE Port3x8; /* 20: current setting of PORT 03x8h */ BYTE Port3x9; /* 21: current setting of PORT 03x9h */ BYTE NumberRows; /* 22: number of rows - 1 */ WORD BytesPerChar; /* 23: bytes/character */ BYTE DCCActive; /* 25: display combination code of active display */ BYTE DCCAlternate; /* 26: DCC of alternate display */ WORD NumberColors; /* 27: number of colors supported in current mode (0000h = mono) */ BYTE NumberPages; /* 29: number of pages supported in current mode */ BYTE NumberScanlines; /* 2A: number of scan lines active */ BYTE CharBlockPrimary; /* 2B: primary character block */ BYTE CharBlockSecondary; /* 2C: secondary character block */ BYTE MiscFlags; /* 2D: miscellaneous flags */ BYTE NonVGASupport; /* 2E: non-VGA mode support */ BYTE _reserved1[2]; /* 2F: */ BYTE VideoMem; /* 31: video memory available */ BYTE SavePointerState; /* 32: save pointer state flags */ BYTE DisplayStatus; /* 33: display information and status */ BYTE _reserved2[12]; /* 34: */ } VIDEOSTATE; typedef struct { BYTE ModeSupport[7]; /* 00: modes supported 1..7 */ BYTE ScanlineSupport; /* 07: scan lines supported */ BYTE NumberCharBlocks; /* 08: total number of character blocks */ BYTE ActiveCharBlocks; /* 09: max. number of active character blocks */ WORD MiscFlags; /* 0A: miscellaneous function support flags */ WORD _reserved1; /* 0C: */ BYTE SavePointerFlags; /* 0E: save pointer function flags */ BYTE _reserved2; /* OF: */ } VIDEOFUNCTIONALITY; typedef struct { DWORD Signature; BYTE Minor; BYTE Major; DWORD StaticVendorString; DWORD CapabilitiesFlags; DWORD StaticModeList; } VESAINFO; /* layout of BIOS extra data starting at f000:e000 */ typedef struct { VIDEOFUNCTIONALITY vid_func; VIDEOSTATE vid_state; VESAINFO vesa_info; char vesa_string[32]; WORD vesa_modes[40]; } BIOS_EXTRA; #define BIOS_EXTRA_PTR ((BIOS_EXTRA *)0xfe000) #define BIOS_EXTRA_SEGPTR MAKESEGPTR(0xf000,0xe000) #include "poppack.h" extern WORD DOSMEM_0000H; extern WORD DOSMEM_BiosDataSeg; extern WORD DOSMEM_BiosSysSeg; /* msdos/dosmem.c */ extern BOOL DOSMEM_Init(BOOL); extern void DOSMEM_Tick(WORD timer); extern WORD DOSMEM_AllocSelector(WORD); extern LPVOID DOSMEM_GetBlock(UINT size, WORD* p); extern BOOL DOSMEM_FreeBlock(void* ptr); extern LPVOID DOSMEM_ResizeBlock(void* ptr, UINT size, WORD* p); extern UINT DOSMEM_Available(void); extern LPVOID DOSMEM_MapRealToLinear(DWORD); /* real-mode to linear */ extern LPVOID DOSMEM_MapDosToLinear(UINT); /* linear DOS to Wine */ extern UINT DOSMEM_MapLinearToDos(LPVOID); /* linear Wine to DOS */ /* memory/instr.c */ extern BOOL INSTR_EmulateInstruction( CONTEXT86 *context ); /* msdos/ioports.c */ extern DWORD IO_inport( int port, int count ); extern void IO_outport( int port, int count, DWORD value ); /* msdos/dpmi.c */ extern BOOL DPMI_LoadDosSystem(void); /* misc/ppdev.c */ extern BOOL IO_pp_outp(int port, DWORD* res); extern int IO_pp_inp(int port, DWORD* res); extern char IO_pp_init(void); #define PTR_REAL_TO_LIN(seg,off) \ ((void*)(((unsigned int)(seg) << 4) + LOWORD(off))) /* NOTE: Interrupts might get called from four modes: real mode, 16-bit, * 32-bit segmented (DPMI32) and 32-bit linear (via DeviceIoControl). * For automatic conversion of pointer * parameters, interrupt handlers should use CTX_SEG_OFF_TO_LIN with * the contents of a segment register as second and the contents of * a *32-bit* general register as third parameter, e.g. * CTX_SEG_OFF_TO_LIN( context, DS_reg(context), EDX_reg(context) ) * This will generate a linear pointer in all three cases: * Real-Mode: Seg*16 + LOWORD(Offset) * 16-bit: convert (Seg, LOWORD(Offset)) to linear * 32-bit segmented: convert (Seg, Offset) to linear * 32-bit linear: use Offset as linear address (DeviceIoControl!) * * Real-mode is recognized by checking the V86 bit in the flags register, * 32-bit linear mode is recognized by checking whether 'seg' is * a system selector (0 counts also as 32-bit segment) and 32-bit * segmented mode is recognized by checking whether 'seg' is 32-bit * selector which is neither system selector nor zero. */ #define CTX_SEG_OFF_TO_LIN(context,seg,off) \ (ISV86(context) ? PTR_REAL_TO_LIN((seg),(off)) : \ (!seg || IS_SELECTOR_SYSTEM(seg))? (void *)(ULONG_PTR)(off) : \ (IS_SELECTOR_32BIT(seg) ? \ (void *)((off) + (char*)MapSL(MAKESEGPTR((seg),0))) : \ MapSL(MAKESEGPTR((seg),(off))))) #define INT_BARF(context,num) \ ERR( "int%x: unknown/not implemented parameters:\n" \ "int%x: AX %04x, BX %04x, CX %04x, DX %04x, " \ "SI %04x, DI %04x, DS %04x, ES %04x\n", \ (num), (num), LOWORD((context)->Eax), LOWORD((context)->Ebx), \ LOWORD((context)->Ecx), LOWORD((context)->Edx), LOWORD((context)->Esi), \ LOWORD((context)->Edi), (WORD)(context)->SegDs, (WORD)(context)->SegEs ) /* Macros for easier access to i386 context registers */ #define AX_reg(context) ((WORD)(context)->Eax) #define BX_reg(context) ((WORD)(context)->Ebx) #define CX_reg(context) ((WORD)(context)->Ecx) #define DX_reg(context) ((WORD)(context)->Edx) #define SI_reg(context) ((WORD)(context)->Esi) #define DI_reg(context) ((WORD)(context)->Edi) #define AL_reg(context) ((BYTE)(context)->Eax) #define AH_reg(context) ((BYTE)((context)->Eax >> 8)) #define BL_reg(context) ((BYTE)(context)->Ebx) #define BH_reg(context) ((BYTE)((context)->Ebx >> 8)) #define CL_reg(context) ((BYTE)(context)->Ecx) #define CH_reg(context) ((BYTE)((context)->Ecx >> 8)) #define DL_reg(context) ((BYTE)(context)->Edx) #define DH_reg(context) ((BYTE)((context)->Edx >> 8)) #define SET_CFLAG(context) ((context)->EFlags |= 0x0001) #define RESET_CFLAG(context) ((context)->EFlags &= ~0x0001) #define SET_ZFLAG(context) ((context)->EFlags |= 0x0040) #define RESET_ZFLAG(context) ((context)->EFlags &= ~0x0040) #define ISV86(context) ((context)->EFlags & 0x00020000) #define SET_AX(context,val) ((context)->Eax = ((context)->Eax & ~0xffff) | (WORD)(val)) #define SET_BX(context,val) ((context)->Ebx = ((context)->Ebx & ~0xffff) | (WORD)(val)) #define SET_CX(context,val) ((context)->Ecx = ((context)->Ecx & ~0xffff) | (WORD)(val)) #define SET_DX(context,val) ((context)->Edx = ((context)->Edx & ~0xffff) | (WORD)(val)) #define SET_SI(context,val) ((context)->Esi = ((context)->Esi & ~0xffff) | (WORD)(val)) #define SET_DI(context,val) ((context)->Edi = ((context)->Edi & ~0xffff) | (WORD)(val)) #define SET_AL(context,val) ((context)->Eax = ((context)->Eax & ~0xff) | (BYTE)(val)) #define SET_BL(context,val) ((context)->Ebx = ((context)->Ebx & ~0xff) | (BYTE)(val)) #define SET_CL(context,val) ((context)->Ecx = ((context)->Ecx & ~0xff) | (BYTE)(val)) #define SET_DL(context,val) ((context)->Edx = ((context)->Edx & ~0xff) | (BYTE)(val)) #define SET_AH(context,val) ((context)->Eax = ((context)->Eax & ~0xff00) | (((BYTE)(val)) << 8)) #define SET_BH(context,val) ((context)->Ebx = ((context)->Ebx & ~0xff00) | (((BYTE)(val)) << 8)) #define SET_CH(context,val) ((context)->Ecx = ((context)->Ecx & ~0xff00) | (((BYTE)(val)) << 8)) #define SET_DH(context,val) ((context)->Edx = ((context)->Edx & ~0xff00) | (((BYTE)(val)) << 8)) #endif /* __WINE_MISCEMU_H */