/* * 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 "windef.h" #include "wine/library.h" #include "wine/windef16.h" #include "winbase.h" #include "winnt.h" /* for PCONTEXT */ #include "wincon.h" /* for MOUSE_EVENT_RECORD */ #define MAX_DOS_DRIVES 26 struct _DOSEVENT; /* amount of space reserved for relay stack */ #define DOSVM_RELAY_DATA_SIZE 4096 /* various real-mode code stubs */ struct DPMI_segments { WORD wrap_seg; WORD xms_seg; WORD dpmi_seg; WORD dpmi_sel; WORD int48_sel; WORD int16_sel; WORD relay_code_sel; WORD relay_data_sel; }; /* 48-bit segmented pointers for DOS DPMI32 */ typedef struct { WORD selector; DWORD offset; } SEGPTR48, FARPROC48; #define DOSCONF_MEM_HIGH 0x0001 #define DOSCONF_MEM_UMB 0x0002 #define DOSCONF_NUMLOCK 0x0004 #define DOSCONF_KEYB_CONV 0x0008 typedef struct { char lastdrive; int brk_flag; int files; int stacks_nr; int stacks_sz; int buf; int buf2; int fcbs; int flags; char *shell; char *country; } DOSCONF; typedef void (*DOSRELAY)(CONTEXT86*,void*); typedef void (WINAPI *RMCBPROC)(CONTEXT86*); typedef void (WINAPI *INTPROC)(CONTEXT86*); #define DOS_PRIORITY_REALTIME 0 /* IRQ0 */ #define DOS_PRIORITY_KEYBOARD 1 /* IRQ1 */ #define DOS_PRIORITY_VGA 2 /* IRQ9 */ #define DOS_PRIORITY_MOUSE 5 /* IRQ12 */ #define DOS_PRIORITY_SERIAL 10 /* IRQ4 */ extern WORD DOSVM_psp; /* psp of current DOS task */ extern WORD DOSVM_retval; /* return value of previous DOS task */ extern struct DPMI_segments *DOSVM_dpmi_segments; #if defined(linux) && defined(__i386__) && defined(HAVE_SYS_VM86_H) # define MZ_SUPPORTED #endif /* linux-i386 */ /* * Declare some CONTEXT86.EFlags bits. * IF_MASK is only pushed into real mode stack. */ #define V86_FLAG 0x00020000 #define TF_MASK 0x00000100 #define IF_MASK 0x00000200 #define VIF_MASK 0x00080000 #define VIP_MASK 0x00100000 #define ADD_LOWORD(dw,val) ((dw) = ((dw) & 0xffff0000) | LOWORD((DWORD)(dw)+(val))) #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)) : wine_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 ISV86(context) ((context)->EFlags & 0x00020000) #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 */ #define NONEXT ((DWORD)-1) #define ATTR_STDIN 0x0001 #define ATTR_STDOUT 0x0002 #define ATTR_NUL 0x0004 #define ATTR_CLOCK 0x0008 #define ATTR_FASTCON 0x0010 #define ATTR_RAW 0x0020 #define ATTR_NOTEOF 0x0040 #define ATTR_DEVICE 0x0080 #define ATTR_REMOVABLE 0x0800 #define ATTR_NONIBM 0x2000 /* block devices */ #define ATTR_UNTILBUSY 0x2000 /* char devices */ #define ATTR_IOCTL 0x4000 #define ATTR_CHAR 0x8000 #include typedef struct { DWORD next_dev; WORD attr; WORD strategy; WORD interrupt; char name[8]; } DOS_DEVICE_HEADER; #include /* DOS Device requests */ #define CMD_INIT 0 #define CMD_MEDIACHECK 1 /* block devices */ #define CMD_BUILDBPB 2 /* block devices */ #define CMD_INIOCTL 3 #define CMD_INPUT 4 /* read data */ #define CMD_SAFEINPUT 5 /* "non-destructive input no wait", char devices */ #define CMD_INSTATUS 6 /* char devices */ #define CMD_INFLUSH 7 /* char devices */ #define CMD_OUTPUT 8 /* write data */ #define CMD_SAFEOUTPUT 9 /* write data with verify */ #define CMD_OUTSTATUS 10 /* char devices */ #define CMD_OUTFLUSH 11 /* char devices */ #define CMD_OUTIOCTL 12 #define CMD_DEVOPEN 13 #define CMD_DEVCLOSE 14 #define CMD_REMOVABLE 15 /* block devices */ #define CMD_UNTILBUSY 16 /* output until busy */ #define STAT_MASK 0x00FF #define STAT_DONE 0x0100 #define STAT_BUSY 0x0200 #define STAT_ERROR 0x8000 #include typedef struct { BYTE size; /* length of header + data */ BYTE unit; /* unit (block devices only) */ BYTE command; WORD status; BYTE reserved[8]; } REQUEST_HEADER; typedef struct { REQUEST_HEADER hdr; BYTE media; /* media descriptor from BPB */ SEGPTR buffer; WORD count; /* byte/sector count */ WORD sector; /* starting sector (block devices) */ DWORD volume; /* volume ID (block devices) */ } REQ_IO; typedef struct { REQUEST_HEADER hdr; BYTE data; } REQ_SAFEINPUT; /* WINE device driver thunk from RM */ typedef struct { BYTE ljmp1; FARPROC16 strategy; BYTE ljmp2; FARPROC16 interrupt; } WINEDEV_THUNK; #include /* Device driver info (used for initialization) */ typedef struct { char name[8]; WORD attr; RMCBPROC strategy; RMCBPROC interrupt; } WINEDEV; /* module.c */ extern BOOL MZ_Exec( CONTEXT86 *context, LPCSTR filename, BYTE func, LPVOID paramblk ); extern void MZ_Exit( CONTEXT86 *context, BOOL cs_psp, WORD retval ); extern BOOL MZ_Current( void ); extern void MZ_AllocDPMITask( void ); extern void MZ_RunInThread( PAPCFUNC proc, ULONG_PTR arg ); extern BOOL DOSVM_IsWin16(void); extern void DOSVM_Exit( WORD retval ); /* dosvm.c */ extern void DOSVM_SendQueuedEvents( CONTEXT86 * ); extern void WINAPI DOSVM_AcknowledgeIRQ( CONTEXT86 * ); extern INT DOSVM_Enter( CONTEXT86 *context ); extern void DOSVM_Wait( CONTEXT86 * ); extern DWORD DOSVM_Loop( HANDLE hThread ); extern void DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data ); extern void DOSVM_PIC_ioport_out( WORD port, BYTE val ); extern void DOSVM_SetTimer( UINT ticks ); /* devices.c */ extern void DOSDEV_InstallDOSDevices(void); extern void DOSDEV_SetupDevice(const WINEDEV * devinfo, WORD seg, WORD off_dev, WORD off_thunk); extern void DOSDEV_SetSharingRetry(WORD delay, WORD count); extern SEGPTR DOSDEV_GetLOL(BOOL v86); /* dma.c */ extern int DMA_Transfer(int channel,int reqlength,void* buffer); extern void DMA_ioport_out( WORD port, BYTE val ); extern BYTE DMA_ioport_in( WORD port ); /* dosaspi.c */ extern void DOSVM_ASPIHandler(CONTEXT86*); /* dosconf.c */ extern DOSCONF *DOSCONF_GetConfig( void ); /* dosmem.c */ extern BOOL DOSMEM_InitDosMemory(void); extern BOOL DOSMEM_MapDosLayout(void); extern WORD DOSMEM_AllocSelector(WORD); /* FIXME: to be removed */ extern LPVOID DOSMEM_AllocBlock(UINT size, WORD* p); extern BOOL DOSMEM_FreeBlock(void* ptr); extern UINT DOSMEM_ResizeBlock(void* ptr, UINT size, BOOL exact); extern UINT DOSMEM_Available(void); extern BIOSDATA *DOSVM_BiosData( void ); /* fpu.c */ extern void WINAPI DOSVM_Int34Handler(CONTEXT86*); extern void WINAPI DOSVM_Int35Handler(CONTEXT86*); extern void WINAPI DOSVM_Int36Handler(CONTEXT86*); extern void WINAPI DOSVM_Int37Handler(CONTEXT86*); extern void WINAPI DOSVM_Int38Handler(CONTEXT86*); extern void WINAPI DOSVM_Int39Handler(CONTEXT86*); extern void WINAPI DOSVM_Int3aHandler(CONTEXT86*); extern void WINAPI DOSVM_Int3bHandler(CONTEXT86*); extern void WINAPI DOSVM_Int3cHandler(CONTEXT86*); extern void WINAPI DOSVM_Int3dHandler(CONTEXT86*); extern void WINAPI DOSVM_Int3eHandler(CONTEXT86*); /* himem.c */ extern void DOSVM_InitSegments(void); extern LPVOID DOSVM_AllocDataUMB(DWORD, WORD *, WORD *); /* int09.c */ extern void WINAPI DOSVM_Int09Handler(CONTEXT86*); extern void DOSVM_Int09SendScan(BYTE scan,BYTE ascii); extern BYTE DOSVM_Int09ReadScan(BYTE*ascii); /* int10.c */ extern void WINAPI DOSVM_Int10Handler(CONTEXT86*); extern void DOSVM_PutChar(BYTE ascii); /* int13.c */ extern void WINAPI DOSVM_Int13Handler(CONTEXT86*); /* int15.c */ extern void WINAPI DOSVM_Int15Handler(CONTEXT86*); /* int16.c */ extern void WINAPI DOSVM_Int16Handler(CONTEXT86*); extern BOOL DOSVM_Int16ReadChar( BYTE *, BYTE *, CONTEXT86 * ); extern int DOSVM_Int16AddChar(BYTE ascii,BYTE scan); /* int21.c */ extern void WINAPI DOSVM_Int21Handler(CONTEXT86*); /* int25.c */ BOOL DOSVM_RawRead( BYTE, DWORD, DWORD, BYTE *, BOOL ); void WINAPI DOSVM_Int25Handler( CONTEXT86 * ); /* int26.c */ BOOL DOSVM_RawWrite( BYTE, DWORD, DWORD, BYTE *, BOOL ); void WINAPI DOSVM_Int26Handler( CONTEXT86 * ); /* int2f.c */ extern void WINAPI DOSVM_Int2fHandler(CONTEXT86*); extern void MSCDEX_InstallCDROM(void); /* int31.c */ extern void WINAPI DOSVM_Int31Handler(CONTEXT86*); extern void WINAPI DOSVM_RawModeSwitchHandler(CONTEXT86*); extern BOOL DOSVM_IsDos32(void); extern FARPROC16 DPMI_AllocInternalRMCB(RMCBPROC); extern int DPMI_CallRMProc(CONTEXT86*,LPWORD,int,int); extern BOOL DOSVM_CheckWrappers(CONTEXT86*); /* int33.c */ extern void WINAPI DOSVM_Int33Handler(CONTEXT86*); extern void DOSVM_Int33Message(UINT,WPARAM,LPARAM); extern void DOSVM_Int33Console(MOUSE_EVENT_RECORD*); /* int67.c */ extern void WINAPI DOSVM_Int67Handler(CONTEXT86*); extern void EMS_Ioctl_Handler(CONTEXT86*); /* interrupts.c */ extern void WINAPI DOSVM_CallBuiltinHandler( CONTEXT86 *, BYTE ); extern BOOL WINAPI DOSVM_EmulateInterruptPM( CONTEXT86 *, BYTE ); extern BOOL DOSVM_EmulateInterruptRM( CONTEXT86 *, BYTE ); extern FARPROC16 DOSVM_GetPMHandler16( BYTE ); extern FARPROC48 DOSVM_GetPMHandler48( BYTE ); extern FARPROC16 DOSVM_GetRMHandler( BYTE ); extern void DOSVM_HardwareInterruptPM( CONTEXT86 *, BYTE ); extern void DOSVM_HardwareInterruptRM( CONTEXT86 *, BYTE ); extern void DOSVM_SetPMHandler16( BYTE, FARPROC16 ); extern void DOSVM_SetPMHandler48( BYTE, FARPROC48 ); extern void DOSVM_SetRMHandler( BYTE, FARPROC16 ); /* relay.c */ void DOSVM_RelayHandler( CONTEXT86 * ); void DOSVM_BuildCallFrame( CONTEXT86 *, DOSRELAY, LPVOID ); /* soundblaster.c */ extern void SB_ioport_out( WORD port, BYTE val ); extern BYTE SB_ioport_in( WORD port ); /* 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); /* timer.c */ extern void WINAPI DOSVM_Int08Handler(CONTEXT86*); #endif /* __WINE_DOSEXE_H */