/* * DOS EXE loader * * Copyright 1998 Ove Kåven * * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef __WINE_DOSEXE_H #define __WINE_DOSEXE_H #include #include #include "windef.h" #include "wine/windef16.h" #include "winbase.h" #include "winnt.h" /* for PCONTEXT */ #include "kernel16_private.h" #define MAX_DOS_DRIVES 26 /* amount of space reserved for relay stack */ #define DOSVM_RELAY_DATA_SIZE 4096 typedef void (*DOSRELAY)(CONTEXT*,void*); typedef void (WINAPI *INTPROC)(CONTEXT*); extern WORD DOSVM_psp DECLSPEC_HIDDEN; /* psp of current DOS task */ extern WORD int16_sel DECLSPEC_HIDDEN; extern WORD relay_code_sel DECLSPEC_HIDDEN; extern WORD relay_data_sel DECLSPEC_HIDDEN; #define ADD_LOWORD(dw,val) ((dw) = ((dw) & 0xffff0000) | LOWORD((DWORD)(dw)+(val))) /* 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) (ldt_get_ptr((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 ) /* pushing on stack in 16 bit needs segment wrap around */ #define PUSH_WORD16(context,val) \ *((WORD*)CTX_SEG_OFF_TO_LIN((context), \ (context)->SegSs, ADD_LOWORD( context->Esp, -2 ) )) = (val) /* 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 SET_AX(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xffff) | (WORD)(val))) #define SET_BX(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xffff) | (WORD)(val))) #define SET_CX(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xffff) | (WORD)(val))) #define SET_DX(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xffff) | (WORD)(val))) #define SET_SI(context,val) ((void)((context)->Esi = ((context)->Esi & ~0xffff) | (WORD)(val))) #define SET_DI(context,val) ((void)((context)->Edi = ((context)->Edi & ~0xffff) | (WORD)(val))) #define SET_AL(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xff) | (BYTE)(val))) #define SET_BL(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xff) | (BYTE)(val))) #define SET_CL(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xff) | (BYTE)(val))) #define SET_DL(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xff) | (BYTE)(val))) #define SET_AH(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xff00) | (((BYTE)(val)) << 8))) #define SET_BH(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xff00) | (((BYTE)(val)) << 8))) #define SET_CH(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xff00) | (((BYTE)(val)) << 8))) #define SET_DH(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xff00) | (((BYTE)(val)) << 8))) #include 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; /* 13: Base memory size in Kb */ WORD unused1; /* 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; /* 63: Video controller address */ BYTE VideoReg1; /* 65: Video mode select register */ BYTE VideoReg2; /* 66: Video CGA palette register */ DWORD ResetEntry; /* 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; /* 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; #include /* Device driver header */ #include typedef struct { DWORD next_dev; WORD attr; WORD strategy; WORD interrupt; char name[8]; } DOS_DEVICE_HEADER; #include /* dosvm.c */ extern void DOSVM_Exit( WORD retval ) DECLSPEC_HIDDEN; /* dosmem.c */ extern BIOSDATA *DOSVM_BiosData( void ) DECLSPEC_HIDDEN; extern void DOSVM_start_bios_timer(void) DECLSPEC_HIDDEN; /* fpu.c */ extern void WINAPI DOSVM_Int34Handler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int35Handler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int36Handler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int37Handler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int38Handler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int39Handler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int3aHandler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int3bHandler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int3cHandler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int3dHandler(CONTEXT*) DECLSPEC_HIDDEN; extern void WINAPI DOSVM_Int3eHandler(CONTEXT*) DECLSPEC_HIDDEN; /* int15.c */ extern void WINAPI DOSVM_Int15Handler(CONTEXT*) DECLSPEC_HIDDEN; /* int21.c */ extern void WINAPI DOSVM_Int21Handler(CONTEXT*) DECLSPEC_HIDDEN; /* int25.c */ BOOL DOSVM_RawRead( BYTE, DWORD, DWORD, BYTE *, BOOL ) DECLSPEC_HIDDEN; void WINAPI DOSVM_Int25Handler( CONTEXT * ) DECLSPEC_HIDDEN; /* int26.c */ BOOL DOSVM_RawWrite( BYTE, DWORD, DWORD, BYTE *, BOOL ) DECLSPEC_HIDDEN; void WINAPI DOSVM_Int26Handler( CONTEXT * ) DECLSPEC_HIDDEN; /* int2f.c */ extern void WINAPI DOSVM_Int2fHandler(CONTEXT*) DECLSPEC_HIDDEN; /* int31.c */ extern void WINAPI DOSVM_Int31Handler(CONTEXT*) DECLSPEC_HIDDEN; /* interrupts.c */ extern void __wine_call_int_handler( CONTEXT *, BYTE ) DECLSPEC_HIDDEN; extern BOOL DOSVM_EmulateInterruptPM( CONTEXT *, BYTE ) DECLSPEC_HIDDEN; extern FARPROC16 DOSVM_GetPMHandler16( BYTE ) DECLSPEC_HIDDEN; extern void DOSVM_SetPMHandler16( BYTE, FARPROC16 ) DECLSPEC_HIDDEN; /* ioports.c */ extern DWORD DOSVM_inport( int port, int size ) DECLSPEC_HIDDEN; extern void DOSVM_outport( int port, int size, DWORD value ) DECLSPEC_HIDDEN; /* relay.c */ void DOSVM_RelayHandler( CONTEXT * ) DECLSPEC_HIDDEN; void DOSVM_BuildCallFrame( CONTEXT *, DOSRELAY, LPVOID ) DECLSPEC_HIDDEN; #endif /* __WINE_DOSEXE_H */