/* * DOS interrupt 21h handler */ #include #include #include #include #include #include #include #include #include #include #include #include #include "windows.h" #include "drive.h" #include "file.h" #include "heap.h" #include "msdos.h" #include "ldt.h" #include "task.h" #include "options.h" #include "miscemu.h" #include "debug.h" #if defined(__svr4__) || defined(_SCO_DS) /* SVR4 DOESNT do locking the same way must implement properly */ #define LOCK_EX 0 #define LOCK_SH 1 #define LOCK_NB 8 #endif #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive()) /* Define the drive parameter block, as used by int21/1F * and int21/32. This table can be accessed through the * global 'dpb' pointer, which points into the local dos * heap. */ struct DPB { BYTE drive_num; /* 0=A, etc. */ BYTE unit_num; /* Drive's unit number (?) */ WORD sector_size; /* Sector size in bytes */ BYTE high_sector; /* Highest sector in a cluster */ BYTE shift; /* Shift count (?) */ WORD reserved; /* Number of reserved sectors at start */ BYTE num_FAT; /* Number of FATs */ WORD dir_entries; /* Number of root dir entries */ WORD first_data; /* First data sector */ WORD high_cluster; /* Highest cluster number */ WORD sectors_in_FAT; /* Number of sectors per FAT */ WORD start_dir; /* Starting sector of first dir */ DWORD driver_head; /* Address of device driver header (?) */ BYTE media_ID; /* Media ID */ BYTE access_flag; /* Prev. accessed flag (0=yes,0xFF=no) */ DWORD next; /* Pointer to next DPB in list */ WORD free_search; /* Free cluster search start */ WORD free_clusters; /* Number of free clusters (0xFFFF=unknown) */ }; WORD CodePage = 437; DWORD dpbsegptr; struct DosHeap { BYTE InDosFlag; BYTE mediaID; BYTE biosdate[8]; struct DPB dpb; }; static struct DosHeap *heap; static WORD DosHeapHandle; WORD sharing_retries = 3; /* number of retries at sharing violation */ WORD sharing_pause = 1; /* pause between retries */ extern char TempDirectory[]; static BOOL32 INT21_CreateHeap(void) { if (!(DosHeapHandle = GlobalAlloc16(GMEM_FIXED,sizeof(struct DosHeap)))) { WARN(int21, "Out of memory\n"); return FALSE; } heap = (struct DosHeap *) GlobalLock16(DosHeapHandle); dpbsegptr = PTR_SEG_OFF_TO_SEGPTR(DosHeapHandle,(int)&heap->dpb-(int)heap); heap->InDosFlag = 0; strcpy(heap->biosdate, "01/01/80"); return TRUE; } static BYTE *GetCurrentDTA( CONTEXT *context ) { TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); /* FIXME: This assumes DTA was set correctly! */ return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta), OFFSETOF(pTask->dta) ); } void CreateBPB(int drive, BYTE *data, BOOL16 limited) /* limited == TRUE is used with INT 0x21/0x440d */ { if (drive > 1) { setword(data, 512); data[2] = 2; setword(&data[3], 0); data[5] = 2; setword(&data[6], 240); setword(&data[8], 64000); data[0x0a] = 0xf8; setword(&data[0x0b], 40); setword(&data[0x0d], 56); setword(&data[0x0f], 2); setword(&data[0x11], 0); if (!limited) { setword(&data[0x1f], 800); data[0x21] = 5; setword(&data[0x22], 1); } } else { /* 1.44mb */ setword(data, 512); data[2] = 2; setword(&data[3], 0); data[5] = 2; setword(&data[6], 240); setword(&data[8], 2880); data[0x0a] = 0xf8; setword(&data[0x0b], 6); setword(&data[0x0d], 18); setword(&data[0x0f], 2); setword(&data[0x11], 0); if (!limited) { setword(&data[0x1f], 80); data[0x21] = 7; setword(&data[0x22], 2); } } } static int INT21_GetFreeDiskSpace( CONTEXT *context ) { DWORD cluster_sectors, sector_bytes, free_clusters, total_clusters; char root[] = "A:\\"; *root += DOS_GET_DRIVE( DL_reg(context) ); if (!GetDiskFreeSpace32A( root, &cluster_sectors, §or_bytes, &free_clusters, &total_clusters )) return 0; AX_reg(context) = cluster_sectors; BX_reg(context) = free_clusters; CX_reg(context) = sector_bytes; DX_reg(context) = total_clusters; return 1; } static int INT21_GetDriveAllocInfo( CONTEXT *context ) { if (!INT21_GetFreeDiskSpace( context )) return 0; if (!heap && !INT21_CreateHeap()) return 0; heap->mediaID = 0xf0; DS_reg(context) = DosHeapHandle; BX_reg(context) = (int)&heap->mediaID - (int)heap; return 1; } static void GetDrivePB( CONTEXT *context, int drive ) { if(!DRIVE_IsValid(drive)) { DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk ); AX_reg(context) = 0x00ff; } else if (heap || INT21_CreateHeap()) { FIXME(int21, "GetDrivePB not fully implemented.\n"); /* FIXME: I have no idea what a lot of this information should * say or whether it even really matters since we're not allowing * direct block access. However, some programs seem to depend on * getting at least _something_ back from here. The 'next' pointer * does worry me, though. Should we have a complete table of * separate DPBs per drive? Probably, but I'm lazy. :-) -CH */ heap->dpb.drive_num = heap->dpb.unit_num = drive; /*The same?*/ heap->dpb.sector_size = 512; heap->dpb.high_sector = 1; heap->dpb.shift = drive < 2 ? 0 : 6; /*6 for HD, 0 for floppy*/ heap->dpb.reserved = 0; heap->dpb.num_FAT = 1; heap->dpb.dir_entries = 2; heap->dpb.first_data = 2; heap->dpb.high_cluster = 64000; heap->dpb.sectors_in_FAT = 1; heap->dpb.start_dir = 1; heap->dpb.driver_head = 0; heap->dpb.media_ID = (drive > 1) ? 0xF8 : 0xF0; heap->dpb.access_flag = 0; heap->dpb.next = 0; heap->dpb.free_search = 0; heap->dpb.free_clusters = 0xFFFF; /* unknown */ AL_reg(context) = 0x00; DS_reg(context) = SELECTOROF(dpbsegptr); BX_reg(context) = OFFSETOF(dpbsegptr); } } static void ioctlGetDeviceInfo( CONTEXT *context ) { int curr_drive; FILE_OBJECT *file; TRACE(int21, "(%d)\n", BX_reg(context)); RESET_CFLAG(context); /* DOS device ? */ if ((file = FILE_GetFile( HFILE16_TO_HFILE32(BX_reg(context)) ))) { const DOS_DEVICE *dev = DOSFS_GetDevice( file->unix_name ); FILE_ReleaseFile( file ); if (dev) { DX_reg(context) = dev->flags; return; } } /* it seems to be a file */ curr_drive = DRIVE_GetCurrentDrive(); DX_reg(context) = 0x0140 + curr_drive + ((curr_drive > 1) ? 0x0800 : 0); /* no floppy */ /* bits 0-5 are current drive * bit 6 - file has NOT been written..FIXME: correct? * bit 8 - generate int24 if no diskspace on write/ read past end of file * bit 11 - media not removable * bit 14 - don't set file date/time on closing * bit 15 - file is remote */ } static BOOL32 ioctlGenericBlkDevReq( CONTEXT *context ) { BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)); int drive = DOS_GET_DRIVE( BL_reg(context) ); if (!DRIVE_IsValid(drive)) { DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk ); return TRUE; } if (CH_reg(context) != 0x08) { INT_BARF( context, 0x21 ); return FALSE; } switch (CL_reg(context)) { case 0x4a: /* lock logical volume */ TRACE(int21,"lock logical volume (%d) level %d mode %d\n",drive,BH_reg(context),DX_reg(context)); break; case 0x60: /* get device parameters */ /* used by w4wgrp's winfile */ memset(dataptr, 0, 0x20); /* DOS 6.22 uses 0x20 bytes */ dataptr[0] = 0x04; dataptr[6] = 0; /* media type */ if (drive > 1) { dataptr[1] = 0x05; /* fixed disk */ setword(&dataptr[2], 0x01); /* non removable */ setword(&dataptr[4], 0x300); /* # of cylinders */ } else { dataptr[1] = 0x07; /* block dev, floppy */ setword(&dataptr[2], 0x02); /* removable */ setword(&dataptr[4], 80); /* # of cylinders */ } CreateBPB(drive, &dataptr[7], TRUE); RESET_CFLAG(context); break; case 0x66:/* get disk serial number */ { char label[12],fsname[9],path[4]; DWORD serial; strcpy(path,"x:\\");path[0]=drive+'A'; GetVolumeInformation32A( path,label,12,&serial,NULL,NULL,fsname,9 ); *(WORD*)dataptr = 0; memcpy(dataptr+2,&serial,4); memcpy(dataptr+6,label ,11); memcpy(dataptr+17,fsname,8); } break; case 0x6a: TRACE(int21,"logical volume %d unlocked.\n",drive); break; case 0x6f: memset(dataptr+1, '\0', dataptr[0]-1); dataptr[1] = dataptr[0]; dataptr[2] = 0x07; /* protected mode driver; no eject; no notification */ dataptr[3] = 0xFF; /* no physical drive */ break; default: INT_BARF( context, 0x21 ); } return FALSE; } static void INT21_GetSystemDate( CONTEXT *context ) { SYSTEMTIME systime; GetLocalTime( &systime ); CX_reg(context) = systime.wYear; DX_reg(context) = (systime.wMonth << 8) | systime.wDay; AX_reg(context) = systime.wDayOfWeek; } static void INT21_GetSystemTime( CONTEXT *context ) { SYSTEMTIME systime; GetLocalTime( &systime ); CX_reg(context) = (systime.wHour << 8) | systime.wMinute; DX_reg(context) = (systime.wSecond << 8) | (systime.wMilliseconds / 10); } /* Many calls translate a drive argument like this: drive number (00h = default, 01h = A:, etc) */ static char drivestring[]="default"; char *INT21_DriveName(int drive) { if(drive >0) { drivestring[0]= (unsigned char)drive + '@'; drivestring[1]=':'; drivestring[2]=0; } return drivestring; } static BOOL32 INT21_CreateFile( CONTEXT *context ) { AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), CX_reg(context) ); return (AX_reg(context) == (WORD)HFILE_ERROR16); } static void OpenExistingFile( CONTEXT *context ) { AX_reg(context) = _lopen16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context)), AL_reg(context) ); if (AX_reg(context) == (WORD)HFILE_ERROR16) { AX_reg(context) = DOS_ExtendedError; SET_CFLAG(context); } #if 0 { int handle; int mode; int lock; switch (AX_reg(context) & 0x0070) { case 0x00: /* compatability mode */ case 0x40: /* DENYNONE */ lock = -1; break; case 0x30: /* DENYREAD */ TRACE(int21, "(%s): DENYREAD changed to DENYALL\n", (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context))); case 0x10: /* DENYALL */ lock = LOCK_EX; break; case 0x20: /* DENYWRITE */ lock = LOCK_SH; break; default: lock = -1; } if (lock != -1) { int result,retries=sharing_retries; { #if defined(__svr4__) || defined(_SCO_DS) ERR(int21, "Should call flock and needs porting to lockf\n"); result = 0; retries = 0; #else result = flock(handle, lock | LOCK_NB); #endif if ( retries && (!result) ) { int i; for(i=0;i<32768*((int)sharing_pause);i++) result++; /* stop the optimizer */ for(i=0;i<32768*((int)sharing_pause);i++) result--; } } while( (!result) && (!(retries--)) ); if(result) { errno_to_doserr(); AX_reg(context) = DOS_ExtendedError; close(handle); SET_CFLAG(context); return; } } Error (0,0,0); AX_reg(context) = handle; RESET_CFLAG(context); } #endif } static void CloseFile( CONTEXT *context ) { if ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0) { AX_reg(context) = DOS_ExtendedError; SET_CFLAG(context); } } static BOOL32 INT21_ExtendedOpenCreateFile(CONTEXT *context ) { BOOL32 bExtendedError = FALSE; BYTE action = DL_reg(context); /* Shuffle arguments to call OpenExistingFile */ AL_reg(context) = BL_reg(context); DX_reg(context) = SI_reg(context); /* BX,CX and DX should be preserved */ OpenExistingFile(context); if ((EFL_reg(context) & 0x0001) == 0) /* File exists */ { UINT16 uReturnCX = 0; /* Now decide what do do */ if ((action & 0x07) == 0) { BX_reg(context) = AX_reg(context); CloseFile(context); AX_reg(context) = 0x0050; /*File exists*/ SET_CFLAG(context); WARN(int21, "extended open/create: failed because file exists \n"); } else if ((action & 0x07) == 2) { /* Truncate it, but first check if opened for write */ if ((BL_reg(context) & 0x0007)== 0) { BX_reg(context) = AX_reg(context); CloseFile(context); WARN(int21, "extended open/create: failed, trunc on ro file\n"); AX_reg(context) = 0x000C; /*Access code invalid*/ SET_CFLAG(context); } else { /* Shuffle arguments to call CloseFile while * preserving BX and DX */ TRACE(int21, "extended open/create: Closing before truncate\n"); BX_reg(context) = AX_reg(context); CloseFile(context); if (EFL_reg(context) & 0x0001) { WARN(int21, "extended open/create: close before trunc failed\n"); AX_reg(context) = 0x0019; /*Seek Error*/ CX_reg(context) = 0; SET_CFLAG(context); } /* Shuffle arguments to call CreateFile */ TRACE(int21, "extended open/create: Truncating\n"); AL_reg(context) = BL_reg(context); /* CX is still the same */ DX_reg(context) = SI_reg(context); bExtendedError = INT21_CreateFile(context); if (EFL_reg(context) & 0x0001) /*no file open, flags set */ { WARN(int21, "extended open/create: trunc failed\n"); return bExtendedError; } uReturnCX = 0x3; } } else uReturnCX = 0x1; CX_reg(context) = uReturnCX; } else /* file does not exist */ { RESET_CFLAG(context); /* was set by OpenExistingFile(context) */ if ((action & 0xF0)== 0) { CX_reg(context) = 0; SET_CFLAG(context); WARN(int21, "extended open/create: failed, file dosen't exist\n"); } else { /* Shuffle arguments to call CreateFile */ TRACE(int21, "extended open/create: Creating\n"); AL_reg(context) = BL_reg(context); /* CX should still be the same */ DX_reg(context) = SI_reg(context); bExtendedError = INT21_CreateFile(context); if (EFL_reg(context) & 0x0001) /*no file open, flags set */ { WARN(int21, "extended open/create: create failed\n"); return bExtendedError; } CX_reg(context) = 2; } } return bExtendedError; } static BOOL32 INT21_ChangeDir( CONTEXT *context ) { int drive; char *dirname = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context)); TRACE(int21,"changedir %s\n", dirname); if (dirname[0] && (dirname[1] == ':')) { drive = toupper(dirname[0]) - 'A'; dirname += 2; } else drive = DRIVE_GetCurrentDrive(); return DRIVE_Chdir( drive, dirname ); } static int INT21_FindFirst( CONTEXT *context ) { char *p; const char *path; DOS_FULL_NAME full_name; FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context); path = (const char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)); dta->unixPath = NULL; if (!DOSFS_GetFullName( path, FALSE, &full_name )) { AX_reg(context) = DOS_ExtendedError; SET_CFLAG(context); return 0; } dta->unixPath = HEAP_strdupA( GetProcessHeap(), 0, full_name.long_name ); p = strrchr( dta->unixPath, '/' ); *p = '\0'; /* Note: terminating NULL in dta->mask overwrites dta->search_attr * (doesn't matter as it is set below anyway) */ if (!DOSFS_ToDosFCBFormat( p + 1, dta->mask )) { HeapFree( GetProcessHeap(), 0, dta->unixPath ); dta->unixPath = NULL; DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk ); AX_reg(context) = ER_FileNotFound; SET_CFLAG(context); return 0; } dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A' : DRIVE_GetCurrentDrive(); dta->count = 0; dta->search_attr = CL_reg(context); return 1; } static int INT21_FindNext( CONTEXT *context ) { FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context); WIN32_FIND_DATA32A entry; int count; if (!dta->unixPath) return 0; if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive, dta->search_attr, dta->count, &entry ))) { HeapFree( GetProcessHeap(), 0, dta->unixPath ); dta->unixPath = NULL; return 0; } if ((int)dta->count + count > 0xffff) { WARN(int21, "Too many directory entries in %s\n", dta->unixPath ); HeapFree( GetProcessHeap(), 0, dta->unixPath ); dta->unixPath = NULL; return 0; } dta->count += count; dta->fileattr = entry.dwFileAttributes; dta->filesize = entry.nFileSizeLow; FileTimeToDosDateTime( &entry.ftLastWriteTime, &dta->filedate, &dta->filetime ); strcpy( dta->filename, entry.cAlternateFileName ); if (!memchr(dta->mask,'?',11)) { /* wildcardless search, release resources in case no findnext will * be issued, and as a workaround in case file creation messes up * findnext, as sometimes happens with pkunzip */ HeapFree( GetProcessHeap(), 0, dta->unixPath ); dta->unixPath = NULL; } return 1; } static BOOL32 INT21_CreateTempFile( CONTEXT *context ) { static int counter = 0; char *name = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ); char *p = name + strlen(name); /* despite what Ralf Brown says, some programs seem to call without * ending backslash (DOS accepts that, so we accept it too) */ if ((p == name) || (p[-1] != '\\')) *p++ = '\\'; for (;;) { sprintf( p, "wine%04x.%03d", (int)getpid(), counter ); counter = (counter + 1) % 1000; if ((AX_reg(context) = HFILE32_TO_HFILE16(_lcreat_uniq( name, 0 ))) != (WORD)HFILE_ERROR16) { TRACE(int21, "created %s\n", name ); return TRUE; } if (DOS_ExtendedError != ER_FileExists) return FALSE; } } static BOOL32 INT21_GetCurrentDirectory( CONTEXT *context ) { int drive = DOS_GET_DRIVE( DL_reg(context) ); char *ptr = (char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), SI_reg(context) ); if (!DRIVE_IsValid(drive)) { DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk ); return FALSE; } lstrcpyn32A( ptr, DRIVE_GetDosCwd(drive), 64 ); AX_reg(context) = 0x0100; /* success return code */ return TRUE; } static int INT21_GetDiskSerialNumber( CONTEXT *context ) { BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)); int drive = DOS_GET_DRIVE( BL_reg(context) ); if (!DRIVE_IsValid(drive)) { DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk ); return 0; } *(WORD *)dataptr = 0; *(DWORD *)(dataptr + 2) = DRIVE_GetSerialNumber( drive ); memcpy( dataptr + 6, DRIVE_GetLabel( drive ), 11 ); strncpy(dataptr + 0x11, "FAT16 ", 8); return 1; } static int INT21_SetDiskSerialNumber( CONTEXT *context ) { BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)); int drive = DOS_GET_DRIVE( BL_reg(context) ); if (!DRIVE_IsValid(drive)) { DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk ); return 0; } DRIVE_SetSerialNumber( drive, *(DWORD *)(dataptr + 2) ); return 1; } /* microsoft's programmers should be shot for using CP/M style int21 calls in Windows for Workgroup's winfile.exe */ static int INT21_FindFirstFCB( CONTEXT *context ) { BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)); FINDFILE_FCB *pFCB; LPCSTR root, cwd; int drive; if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7); else pFCB = (FINDFILE_FCB *)fcb; drive = DOS_GET_DRIVE( pFCB->drive ); if (!DRIVE_IsValid( drive )) return 0; root = DRIVE_GetRoot( drive ); cwd = DRIVE_GetUnixCwd( drive ); pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0, strlen(root)+strlen(cwd)+2 ); if (!pFCB->unixPath) return 0; strcpy( pFCB->unixPath, root ); strcat( pFCB->unixPath, "/" ); strcat( pFCB->unixPath, cwd ); pFCB->count = 0; return 1; } static int INT21_FindNextFCB( CONTEXT *context ) { BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)); FINDFILE_FCB *pFCB; DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context); WIN32_FIND_DATA32A entry; BYTE attr; int count; if (*fcb == 0xff) /* extended FCB ? */ { attr = fcb[6]; pFCB = (FINDFILE_FCB *)(fcb + 7); } else { attr = 0; pFCB = (FINDFILE_FCB *)fcb; } if (!pFCB->unixPath) return 0; if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL, DOS_GET_DRIVE( pFCB->drive ), attr, pFCB->count, &entry ))) { HeapFree( GetProcessHeap(), 0, pFCB->unixPath ); pFCB->unixPath = NULL; return 0; } pFCB->count += count; if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */ *(BYTE *)pResult = 0xff; (BYTE *)pResult +=6; /* leave reserved field behind */ *(BYTE *)pResult = entry.dwFileAttributes; ((BYTE *)pResult)++; } *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */ ((BYTE *)pResult)++; pResult->fileattr = entry.dwFileAttributes; pResult->cluster = 0; /* what else? */ pResult->filesize = entry.nFileSizeLow; memset( pResult->reserved, 0, sizeof(pResult->reserved) ); FileTimeToDosDateTime( &entry.ftLastWriteTime, &pResult->filedate, &pResult->filetime ); /* Convert file name to FCB format */ memset( pResult->filename, ' ', sizeof(pResult->filename) ); if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.'; else if (!strcmp( entry.cAlternateFileName, ".." )) pResult->filename[0] = pResult->filename[1] = '.'; else { char *p = strrchr( entry.cAlternateFileName, '.' ); if (p && p[1] && (p != entry.cAlternateFileName)) { memcpy( pResult->filename, entry.cAlternateFileName, MIN( (p - entry.cAlternateFileName), 8 ) ); memcpy( pResult->filename + 8, p + 1, MIN( strlen(p), 3 ) ); } else memcpy( pResult->filename, entry.cAlternateFileName, MIN( strlen(entry.cAlternateFileName), 8 ) ); } return 1; } static void DeleteFileFCB( CONTEXT *context ) { FIXME(int21, "(%p): stub\n", context); } static void RenameFileFCB( CONTEXT *context ) { FIXME(int21, "(%p): stub\n", context); } static void fLock( CONTEXT * context ) { switch ( AX_reg(context) & 0xff ) { case 0x00: /* LOCK */ TRACE(int21,"lock handle %d offset %ld length %ld\n", BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)), MAKELONG(DI_reg(context),SI_reg(context))) ; if (!LockFile(HFILE16_TO_HFILE32(BX_reg(context)), MAKELONG(DX_reg(context),CX_reg(context)), 0, MAKELONG(DI_reg(context),SI_reg(context)), 0)) { AX_reg(context) = DOS_ExtendedError; SET_CFLAG(context); } break; case 0x01: /* UNLOCK */ TRACE(int21,"unlock handle %d offset %ld length %ld\n", BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)), MAKELONG(DI_reg(context),SI_reg(context))) ; if (!UnlockFile(HFILE16_TO_HFILE32(BX_reg(context)), MAKELONG(DX_reg(context),CX_reg(context)), 0, MAKELONG(DI_reg(context),SI_reg(context)), 0)) { AX_reg(context) = DOS_ExtendedError; SET_CFLAG(context); } return; default: AX_reg(context) = 0x0001; SET_CFLAG(context); return; } } static BOOL32 INT21_networkfunc (CONTEXT *context) { switch (AL_reg(context)) { case 0x00: /* Get machine name. */ { char *dst = CTX_SEG_OFF_TO_LIN (context,DS_reg(context),DX_reg(context)); TRACE(int21, "getting machine name to %p\n", dst); if (gethostname (dst, 15)) { WARN(int21,"failed!\n"); DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network ); return TRUE; } else { int len = strlen (dst); while (len < 15) dst[len++] = ' '; dst[15] = 0; CH_reg(context) = 1; /* Valid */ CL_reg(context) = 1; /* NETbios number??? */ TRACE(int21, "returning %s\n", debugstr_an (dst, 16)); return FALSE; } } default: DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network ); return TRUE; } } static void INT21_SetCurrentPSP(WORD psp) { #ifdef MZ_SUPPORTED TDB *pTask = hModule ? NULL : (TDB *)GlobalLock16( GetCurrentTask() ); NE_MODULE *pModule = (hModule || pTask) ? NE_GetPtr( hModule ? hModule : pTask->hModule ) : NULL; GlobalUnlock16( GetCurrentTask() ); if (pModule->lpDosTask) pModule->lpDosTask->psp_seg = psp; else #endif ERR(int21, "Cannot change PSP for non-DOS task!\n"); } static WORD INT21_GetCurrentPSP() { #ifdef MZ_SUPPORTED TDB *pTask = hModule ? NULL : (TDB *)GlobalLock16( GetCurrentTask() ); NE_MODULE *pModule = (hModule || pTask) ? NE_GetPtr( hModule ? hModule : pTask->hModule ) : NULL; GlobalUnlock16( GetCurrentTask() ); if (pModule->lpDosTask) return pModule->lpDosTask->psp_seg; else #endif return GetCurrentPDB(); } SEGPTR INT21_GetListOfLists() { static DOS_LISTOFLISTS *LOL; static SEGPTR seg_LOL; /* Output of DOS 6.22: 0133:0020 6A 13-33 01 CC 00 33 01 59 00 j.3...3.Y. 0133:0030 70 00 00 00 72 02 00 02-6D 00 33 01 00 00 2E 05 p...r...m.3..... 0133:0040 00 00 FC 04 00 00 03 08-92 21 11 E0 04 80 C6 0D .........!...... 0133:0050 CC 0D 4E 55 4C 20 20 20-20 20 00 00 00 00 00 00 ..NUL ...... 0133:0060 00 4B BA C1 06 14 00 00-00 03 01 00 04 70 CE FF .K...........p.. 0133:0070 FF 00 00 00 00 00 00 00-00 01 00 00 0D 05 00 00 ................ 0133:0080 00 FF FF 00 00 00 00 FE-00 00 F8 03 FF 9F 70 02 ..............p. 0133:0090 D0 44 C8 FD D4 44 C8 FD-D4 44 C8 FD D0 44 C8 FD .D...D...D...D.. 0133:00A0 D0 44 C8 FD D0 44 .D...D */ if (!LOL) { LOL = SEGPTR_ALLOC(sizeof(DOS_LISTOFLISTS)); LOL->CX_Int21_5e01 = 0x0; LOL->LRU_count_FCB_cache = 0x0; LOL->LRU_count_FCB_open = 0x0; LOL->OEM_func_handler = -1; /* not available */ LOL->INT21_offset = 0x0; LOL->sharing_retry_count = sharing_retries; /* default value: 3 */ LOL->sharing_retry_delay = sharing_pause; /* default value: 1 */ LOL->ptr_disk_buf = 0x0; LOL->offs_unread_CON = 0x0; LOL->seg_first_MCB = 0x0; LOL->ptr_first_DPB = 0x0; LOL->ptr_first_SysFileTable = 0x0; LOL->ptr_clock_dev_hdr = 0x0; LOL->ptr_CON_dev_hdr = 0x0; LOL->max_byte_per_sec = 512; LOL->ptr_disk_buf_info = 0x0; LOL->ptr_array_CDS = 0x0; LOL->ptr_sys_FCB = 0x0; LOL->nr_protect_FCB = 0x0; LOL->nr_block_dev = 0x0; LOL->nr_avail_drive_letters = 26; /* A - Z */ LOL->nr_drives_JOINed = 0x0; LOL->ptr_spec_prg_names = 0x0; LOL->ptr_SETVER_prg_list = 0x0; /* no SETVER list */ LOL->DOS_HIGH_A20_func_offs = 0x0; LOL->PSP_last_exec = 0x0; LOL->BUFFERS_val = 99; /* maximum: 99 */ LOL->BUFFERS_nr_lookahead = 8; /* maximum: 8 */ LOL->boot_drive = 3; /* C: */ LOL->flag_DWORD_moves = 0x01; /* i386+ */ LOL->size_extended_mem = 0xf000; /* very high value */ } if (!seg_LOL) seg_LOL = SEGPTR_GET(LOL); return seg_LOL+(WORD)&((DOS_LISTOFLISTS*)0)->ptr_first_DPB; } /*********************************************************************** * DOS3Call (KERNEL.102) */ void WINAPI DOS3Call( CONTEXT *context ) { BOOL32 bSetDOSExtendedError = FALSE; #if 0 TRACE(int21, "AX=%04x BX=%04x CX=%04x DX=%04x " "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n", AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context), SI_reg(context), DI_reg(context), (WORD)DS_reg(context), (WORD)ES_reg(context), EFL_reg(context) ); #endif if (AH_reg(context) == 0x59) /* Get extended error info */ { TRACE(int21, "GET EXTENDED ERROR code 0x%02x class 0x%02x action 0x%02x locus %02x\n", DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus); AX_reg(context) = DOS_ExtendedError; BH_reg(context) = DOS_ErrorClass; BL_reg(context) = DOS_ErrorAction; CH_reg(context) = DOS_ErrorLocus; return; } if (AH_reg(context) == 0x0C) /* Flush buffer and read standard input */ { TRACE(int21, "FLUSH BUFFER AND READ STANDARD INPUT\n"); /* no flush here yet */ AH_reg(context) = AL_reg(context); } DOS_ERROR( 0, 0, 0, 0 ); RESET_CFLAG(context); /* Not sure if this is a good idea */ switch(AH_reg(context)) { case 0x00: /* TERMINATE PROGRAM */ TRACE(int21,"TERMINATE PROGRAM\n"); ExitProcess( 0 ); break; case 0x01: /* READ CHARACTER FROM STANDARD INPUT, WITH ECHO */ case 0x03: /* READ CHARACTER FROM STDAUX */ case 0x04: /* WRITE CHARACTER TO STDAUX */ case 0x05: /* WRITE CHARACTER TO PRINTER */ case 0x0b: /* GET STDIN STATUS */ case 0x0f: /* OPEN FILE USING FCB */ case 0x10: /* CLOSE FILE USING FCB */ case 0x14: /* SEQUENTIAL READ FROM FCB FILE */ case 0x15: /* SEQUENTIAL WRITE TO FCB FILE */ case 0x16: /* CREATE OR TRUNCATE FILE USING FCB */ case 0x21: /* READ RANDOM RECORD FROM FCB FILE */ case 0x22: /* WRITE RANDOM RECORD TO FCB FILE */ case 0x23: /* GET FILE SIZE FOR FCB */ case 0x24: /* SET RANDOM RECORD NUMBER FOR FCB */ case 0x26: /* CREATE NEW PROGRAM SEGMENT PREFIX */ case 0x27: /* RANDOM BLOCK READ FROM FCB FILE */ case 0x28: /* RANDOM BLOCK WRITE TO FCB FILE */ case 0x29: /* PARSE FILENAME INTO FCB */ case 0x54: /* GET VERIFY FLAG */ INT_BARF( context, 0x21 ); break; case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */ case 0x06: /* DIRECT CONSOLE IN/OUTPUT */ _lwrite16( 1, &DL_reg(context), 1); break; case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */ TRACE(int21,"DIRECT CHARACTER INPUT WITHOUT ECHO\n"); _lread16( 0, &AL_reg(context), 1); break; case 0x08: /* CHARACTER INPUT WITHOUT ECHO */ TRACE(int21,"CHARACTER INPUT WITHOUT ECHO\n"); _lread16( 0, &AL_reg(context), 1); break; case 0x09: /* WRITE STRING TO STANDARD OUTPUT */ TRACE(int21,"WRITE '$'-terminated string from %04lX:%04X to stdout\n", DS_reg(context),DX_reg(context) ); { LPSTR data = CTX_SEG_OFF_TO_LIN(context,DS_reg(context),DX_reg(context)); LONG length = strchr(data,'$')-data; _hwrite16( 1, data, length); } break; case 0x0a: /* BUFFERED INPUT */ { char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) )); int res; TRACE(int21,"BUFFERED INPUT (size=%d)\n",buffer[0]); if (buffer[1]) TRACE(int21,"Handle old chars in buffer!\n"); res=_lread16( 0, buffer+2,buffer[0]); buffer[1]=res; if(buffer[res+1] == '\n') buffer[res+1] = '\r'; break; } case 0x2e: /* SET VERIFY FLAG */ TRACE(int21,"SET VERIFY FLAG ignored\n"); /* we cannot change the behaviour anyway, so just ignore it */ break; case 0x18: /* NULL FUNCTIONS FOR CP/M COMPATIBILITY */ case 0x1d: case 0x1e: case 0x20: case 0x6b: /* NULL FUNCTION */ AL_reg(context) = 0; break; case 0x5c: /* "FLOCK" - RECORD LOCKING */ fLock(context); break; case 0x0d: /* DISK BUFFER FLUSH */ TRACE(int21,"DISK BUFFER FLUSH ignored\n"); RESET_CFLAG(context); /* dos 6+ only */ break; case 0x0e: /* SELECT DEFAULT DRIVE */ TRACE(int21,"SELECT DEFAULT DRIVE %d\n", DL_reg(context)); DRIVE_SetCurrentDrive( DL_reg(context) ); AL_reg(context) = MAX_DOS_DRIVES; break; case 0x11: /* FIND FIRST MATCHING FILE USING FCB */ TRACE(int21,"FIND FIRST MATCHING FILE USING FCB %p\n", CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); if (!INT21_FindFirstFCB(context)) { AL_reg(context) = 0xff; break; } /* else fall through */ case 0x12: /* FIND NEXT MATCHING FILE USING FCB */ AL_reg(context) = INT21_FindNextFCB(context) ? 0x00 : 0xff; break; case 0x13: /* DELETE FILE USING FCB */ DeleteFileFCB(context); break; case 0x17: /* RENAME FILE USING FCB */ RenameFileFCB(context); break; case 0x19: /* GET CURRENT DEFAULT DRIVE */ AL_reg(context) = DRIVE_GetCurrentDrive(); break; case 0x1a: /* SET DISK TRANSFER AREA ADDRESS */ { TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); pTask->dta = PTR_SEG_OFF_TO_SEGPTR(DS_reg(context),DX_reg(context)); TRACE(int21, "Set DTA: %08lx\n", pTask->dta); } break; case 0x1b: /* GET ALLOCATION INFORMATION FOR DEFAULT DRIVE */ DL_reg(context) = 0; if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff; break; case 0x1c: /* GET ALLOCATION INFORMATION FOR SPECIFIC DRIVE */ if (!INT21_GetDriveAllocInfo(context)) AX_reg(context) = 0xffff; break; case 0x1f: /* GET DRIVE PARAMETER BLOCK FOR DEFAULT DRIVE */ GetDrivePB(context, DRIVE_GetCurrentDrive()); break; case 0x25: /* SET INTERRUPT VECTOR */ INT_CtxSetHandler( context, AL_reg(context), (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( DS_reg(context), DX_reg(context))); break; case 0x2a: /* GET SYSTEM DATE */ INT21_GetSystemDate(context); break; case 0x2b: /* SET SYSTEM DATE */ FIXME(int21, "SetSystemDate(%02d/%02d/%04d): not allowed\n", DL_reg(context), DH_reg(context), CX_reg(context) ); AL_reg(context) = 0; /* Let's pretend we succeeded */ break; case 0x2c: /* GET SYSTEM TIME */ INT21_GetSystemTime(context); break; case 0x2d: /* SET SYSTEM TIME */ FIXME(int21, "SetSystemTime(%02d:%02d:%02d.%02d): not allowed\n", CH_reg(context), CL_reg(context), DH_reg(context), DL_reg(context) ); AL_reg(context) = 0; /* Let's pretend we succeeded */ break; case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */ TRACE(int21,"GET DISK TRANSFER AREA ADDRESS\n"); { TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() ); ES_reg(context) = SELECTOROF( pTask->dta ); BX_reg(context) = OFFSETOF( pTask->dta ); } break; case 0x30: /* GET DOS VERSION */ TRACE(int21,"GET DOS VERSION %s requested\n", (AL_reg(context) == 0x00)?"OEM number":"version flag"); AX_reg(context) = (HIWORD(GetVersion16()) >> 8) | (HIWORD(GetVersion16()) << 8); #if 0 AH_reg(context) = 0x7; AL_reg(context) = 0xA; #endif BX_reg(context) = 0x00FF; /* 0x123456 is Wine's serial # */ CX_reg(context) = 0x0000; break; case 0x31: /* TERMINATE AND STAY RESIDENT */ TRACE(int21,"TERMINATE AND STAY RESIDENT stub\n"); INT_BARF( context, 0x21 ); break; case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */ TRACE(int21,"GET DOS DRIVE PARAMETER BLOCK FOR DRIVE %s\n", INT21_DriveName( DL_reg(context))); GetDrivePB(context, DOS_GET_DRIVE( DL_reg(context) ) ); break; case 0x33: /* MULTIPLEXED */ switch (AL_reg(context)) { case 0x00: /* GET CURRENT EXTENDED BREAK STATE */ TRACE(int21,"GET CURRENT EXTENDED BREAK STATE stub\n"); DL_reg(context) = 0; break; case 0x01: /* SET EXTENDED BREAK STATE */ TRACE(int21,"SET CURRENT EXTENDED BREAK STATE stub\n"); break; case 0x02: /* GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE*/ TRACE(int21,"GET AND SET EXTENDED CONTROL-BREAK CHECKING STATE stub\n"); DL_reg(context) = 0; break; case 0x05: /* GET BOOT DRIVE */ TRACE(int21,"GET BOOT DRIVE\n"); DL_reg(context) = 3; /* c: is Wine's bootdrive (a: is 1)*/ break; case 0x06: /* GET TRUE VERSION NUMBER */ TRACE(int21,"GET TRUE VERSION NUMBER\n"); BX_reg(context) = (HIWORD(GetVersion16() >> 8)) | (HIWORD(GetVersion16() << 8)); DX_reg(context) = 0x00; break; default: INT_BARF( context, 0x21 ); break; } break; case 0x34: /* GET ADDRESS OF INDOS FLAG */ TRACE(int21,"GET ADDRESS OF INDOS FLAG\n"); if (!heap) INT21_CreateHeap(); ES_reg(context) = DosHeapHandle; BX_reg(context) = (int)&heap->InDosFlag - (int)heap; break; case 0x35: /* GET INTERRUPT VECTOR */ TRACE(int21,"GET INTERRUPT VECTOR 0x%02x\n",AL_reg(context)); { FARPROC16 addr = INT_CtxGetHandler( context, AL_reg(context) ); ES_reg(context) = SELECTOROF(addr); BX_reg(context) = OFFSETOF(addr); } break; case 0x36: /* GET FREE DISK SPACE */ TRACE(int21,"GET FREE DISK SPACE FOR DRIVE %s\n", INT21_DriveName( DL_reg(context))); if (!INT21_GetFreeDiskSpace(context)) AX_reg(context) = 0xffff; break; case 0x37: { unsigned char switchchar='/'; switch (AL_reg(context)) { case 0x00: /* "SWITCHAR" - GET SWITCH CHARACTER */ TRACE(int21,"SWITCHAR - GET SWITCH CHARACTER\n"); AL_reg(context) = 0x00; /* success*/ DL_reg(context) = switchchar; break; case 0x01: /*"SWITCHAR" - SET SWITCH CHARACTER*/ TRACE(int21,"SWITCHAR - SET SWITCH CHARACTER\n"); switchchar = DL_reg(context); AL_reg(context) = 0x00; /* success*/ break; default: /*"AVAILDEV" - SPECIFY \DEV\ PREFIX USE*/ INT_BARF( context, 0x21 ); break; } break; } case 0x38: /* GET COUNTRY-SPECIFIC INFORMATION */ TRACE(int21,"GET COUNTRY-SPECIFIC INFORMATION for country 0x%02x\n", AL_reg(context)); AX_reg(context) = 0x02; /* no country support available */ SET_CFLAG(context); break; case 0x39: /* "MKDIR" - CREATE SUBDIRECTORY */ TRACE(int21,"MKDIR %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), NULL)); break; case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */ TRACE(int21,"RMDIR %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ))); break; case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */ TRACE(int21,"CHDIR %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); bSetDOSExtendedError = !INT21_ChangeDir(context); break; case 0x3c: /* "CREAT" - CREATE OR TRUNCATE FILE */ TRACE(int21,"CREAT flag 0x%02x %s\n",CX_reg(context), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), CX_reg(context) ); bSetDOSExtendedError = (AX_reg(context) == (WORD)HFILE_ERROR16); break; case 0x3d: /* "OPEN" - OPEN EXISTING FILE */ TRACE(int21,"OPEN mode 0x%02x %s\n",AL_reg(context), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); OpenExistingFile(context); break; case 0x3e: /* "CLOSE" - CLOSE FILE */ TRACE(int21,"CLOSE handle %d\n",BX_reg(context)); if ((BX_reg(context)<5)|| /* FIXME: need to improve on those handle conversion macros */ (BX_reg(context)==HFILE32_TO_HFILE16(GetStdHandle(STD_INPUT_HANDLE)))|| (BX_reg(context)==HFILE32_TO_HFILE16(GetStdHandle(STD_OUTPUT_HANDLE)))|| (BX_reg(context)==HFILE32_TO_HFILE16(GetStdHandle(STD_ERROR_HANDLE)))) { /* hack to make sure stdio isn't closed */ FIXME(int21, "stdio handle closed, need proper conversion\n"); DOS_ExtendedError = 0x06; bSetDOSExtendedError = TRUE; } else bSetDOSExtendedError = ((AX_reg(context) = _lclose16( BX_reg(context) )) != 0); break; case 0x3f: /* "READ" - READ FROM FILE OR DEVICE */ TRACE(int21,"READ from %d to %04lX:%04X for %d byte\n",BX_reg(context), DS_reg(context),DX_reg(context),CX_reg(context) ); { LONG result; if (ISV86(context)) result = _hread16( BX_reg(context), CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), CX_reg(context) ); else result = WIN16_hread( BX_reg(context), PTR_SEG_OFF_TO_SEGPTR( DS_reg(context), DX_reg(context) ), CX_reg(context) ); if (result == -1) bSetDOSExtendedError = TRUE; else AX_reg(context) = (WORD)result; } break; case 0x40: /* "WRITE" - WRITE TO FILE OR DEVICE */ TRACE(int21,"WRITE from %04lX:%04X to handle %d for %d byte\n", DS_reg(context),DX_reg(context),BX_reg(context),CX_reg(context) ); { LONG result = _hwrite16( BX_reg(context), CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), CX_reg(context) ); if (result == -1) bSetDOSExtendedError = TRUE; else AX_reg(context) = (WORD)result; } break; case 0x41: /* "UNLINK" - DELETE FILE */ TRACE(int21,"UNLINK%s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); bSetDOSExtendedError = (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ))); break; case 0x42: /* "LSEEK" - SET CURRENT FILE POSITION */ TRACE(int21,"LSEEK handle %d offset %ld from %s\n", BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)), (AL_reg(context)==0)?"start of file":(AL_reg(context)==1)? "current file position":"end of file"); { LONG status = _llseek16( BX_reg(context), MAKELONG(DX_reg(context),CX_reg(context)), AL_reg(context) ); if (status == -1) bSetDOSExtendedError = TRUE; else { AX_reg(context) = LOWORD(status); DX_reg(context) = HIWORD(status); } } break; case 0x43: /* FILE ATTRIBUTES */ switch (AL_reg(context)) { case 0x00: TRACE(int21,"GET FILE ATTRIBUTES for %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); AX_reg(context) = (WORD)GetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); if (AX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE; else CX_reg(context) = AX_reg(context); break; case 0x01: TRACE(int21,"SET FILE ATTRIBUTES 0x%02x for %s\n", CX_reg(context), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); bSetDOSExtendedError = (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)), CX_reg(context) )); break; case 0x02: TRACE(int21,"GET COMPRESSED FILE SIZE for %s stub\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); } break; case 0x44: /* IOCTL */ switch (AL_reg(context)) { case 0x00: ioctlGetDeviceInfo(context); break; case 0x01: break; case 0x02:{ FILE_OBJECT *file; file = FILE_GetFile(HFILE16_TO_HFILE32(BX_reg(context))); if (!strcasecmp(file->unix_name, "SCSIMGR$")) ASPI_DOS_HandleInt(context); FILE_ReleaseFile( file ); break; } case 0x05:{ /* IOCTL - WRITE TO BLOCK DEVICE CONTROL CHANNEL */ /*BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context));*/ int drive = DOS_GET_DRIVE(BL_reg(context)); FIXME(int21,"program tried to write to block device control channel of drive %d:\n",drive); /* for (i=0;i>4; } else { mem = (LPVOID)GlobalDOSAlloc(BX_reg(context)<<4); if (mem) AX_reg(context) = (DWORD)mem&0xffff; } if (!mem) { SET_CFLAG(context); AX_reg(context) = 0x0008; /* insufficient memory */ BX_reg(context) = DOSMEM_Available(0)>>4; } } break; case 0x49: /* FREE MEMORY */ TRACE(int21,"FREE MEMORY segment %04lX\n", ES_reg(context)); { BOOL32 ret; if (ISV86(context)) ret= DOSMEM_FreeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4)); else { ret = !GlobalDOSFree(ES_reg(context)); /* If we don't reset ES_reg, we will fail in the relay code */ ES_reg(context)=ret; } if (!ret) { TRACE(int21,"FREE MEMORY failed\n"); SET_CFLAG(context); AX_reg(context) = 0x0009; /* memory block address invalid */ } } break; case 0x4a: /* RESIZE MEMORY BLOCK */ TRACE(int21,"RESIZE MEMORY segment %04lX to %d paragraphs\n", ES_reg(context), BX_reg(context)); if (!ISV86(context)) FIXME(int21,"RESIZE MEMORY probably insufficent implementation. Expect crash soon\n"); { LPVOID *mem = DOSMEM_ResizeBlock(0,DOSMEM_MapDosToLinear(ES_reg(context)<<4), BX_reg(context)<<4,NULL); if (mem) AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>4; else { SET_CFLAG(context); AX_reg(context) = 0x0008; /* insufficient memory */ BX_reg(context) = DOSMEM_Available(0)>>4; /* not quite right */ } } break; case 0x4b: /* "EXEC" - LOAD AND/OR EXECUTE PROGRAM */ TRACE(int21,"EXEC %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context) )); AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), SW_NORMAL ); if (AX_reg(context) < 32) SET_CFLAG(context); break; case 0x4c: /* "EXIT" - TERMINATE WITH RETURN CODE */ TRACE(int21,"EXIT with return code %d\n",AL_reg(context)); ExitProcess( AL_reg(context) ); break; case 0x4d: /* GET RETURN CODE */ TRACE(int21,"GET RETURN CODE (ERRORLEVEL)\n"); AX_reg(context) = 0; /* normal exit */ break; case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */ TRACE(int21,"FINDFIRST mask 0x%04x spec %s\n",CX_reg(context), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); if (!INT21_FindFirst(context)) break; /* fall through */ case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */ TRACE(int21,"FINDNEXT\n"); if (!INT21_FindNext(context)) { DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk ); AX_reg(context) = ER_NoMoreFiles; SET_CFLAG(context); } else AX_reg(context) = 0; /* OK */ break; case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */ TRACE(int21, "SET CURRENT PROCESS ID (SET PSP ADDRESS)\n"); INT21_SetCurrentPSP(BX_reg(context)); break; case 0x51: /* GET PSP ADDRESS */ TRACE(int21,"GET CURRENT PROCESS ID (GET PSP ADDRESS)\n"); /* FIXME: should we return the original DOS PSP upon */ /* Windows startup ? */ BX_reg(context) = INT21_GetCurrentPSP(); break; case 0x62: /* GET PSP ADDRESS */ TRACE(int21,"GET CURRENT PSP ADDRESS\n"); /* FIXME: should we return the original DOS PSP upon */ /* Windows startup ? */ BX_reg(context) = INT21_GetCurrentPSP(); break; case 0x52: /* "SYSVARS" - GET LIST OF LISTS */ TRACE(int21,"SYSVARS - GET LIST OF LISTS\n"); { SEGPTR lol; lol = INT21_GetListOfLists(); ES_reg(context) = HIWORD(lol); BX_reg(context) = LOWORD(lol); } break; case 0x56: /* "RENAME" - RENAME FILE */ TRACE(int21,"RENAME %s to %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context)), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),DI_reg(context))); bSetDOSExtendedError = (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context)), CTX_SEG_OFF_TO_LIN(context, ES_reg(context),DI_reg(context)))); break; case 0x57: /* FILE DATE AND TIME */ switch (AL_reg(context)) { case 0x00: /* Get */ { FILETIME filetime; TRACE(int21,"GET FILE DATE AND TIME for handle %d\n", BX_reg(context)); if (!GetFileTime( HFILE16_TO_HFILE32(BX_reg(context)), NULL, NULL, &filetime )) bSetDOSExtendedError = TRUE; else FileTimeToDosDateTime( &filetime, &DX_reg(context), &CX_reg(context) ); } break; case 0x01: /* Set */ { FILETIME filetime; TRACE(int21,"SET FILE DATE AND TIME for handle %d\n", BX_reg(context)); DosDateTimeToFileTime( DX_reg(context), CX_reg(context), &filetime ); bSetDOSExtendedError = (!SetFileTime( BX_reg(context), NULL, NULL, &filetime )); } break; } break; case 0x58: /* GET OR SET MEMORY/UMB ALLOCATION STRATEGY */ TRACE(int21,"GET OR SET MEMORY/UMB ALLOCATION STRATEGY subfunction %d\n", AL_reg(context)); switch (AL_reg(context)) { case 0x00: AX_reg(context) = 1; break; case 0x02: AX_reg(context) = 0; break; case 0x01: case 0x03: break; } RESET_CFLAG(context); break; case 0x5a: /* CREATE TEMPORARY FILE */ TRACE(int21,"CREATE TEMPORARY FILE\n"); bSetDOSExtendedError = !INT21_CreateTempFile(context); break; case 0x5b: /* CREATE NEW FILE */ TRACE(int21,"CREATE NEW FILE 0x%02x for %s\n", CX_reg(context), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); bSetDOSExtendedError = ((AX_reg(context) = HFILE32_TO_HFILE16(_lcreat_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context)), 0 ))) == (WORD)HFILE_ERROR16); break; case 0x5d: /* NETWORK */ FIXME(int21,"Function 0x%04x not implemented.\n", AX_reg (context)); /* Fix the following while you're at it. */ DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network ); bSetDOSExtendedError = TRUE; break; case 0x5e: bSetDOSExtendedError = INT21_networkfunc (context); break; case 0x5f: /* NETWORK */ switch (AL_reg(context)) { case 0x07: /* ENABLE DRIVE */ TRACE(int21,"ENABLE DRIVE %c:\n",(DL_reg(context)+'A')); if (!DRIVE_Enable( DL_reg(context) )) { DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk ); bSetDOSExtendedError = TRUE; } break; case 0x08: /* DISABLE DRIVE */ TRACE(int21,"DISABLE DRIVE %c:\n",(DL_reg(context)+'A')); if (!DRIVE_Disable( DL_reg(context) )) { DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk ); bSetDOSExtendedError = TRUE; } break; default: /* network software not installed */ TRACE(int21,"NETWORK function AX=%04x not implemented\n",AX_reg(context)); DOS_ERROR( ER_NoNetwork, EC_NotFound, SA_Abort, EL_Network ); bSetDOSExtendedError = TRUE; break; } break; case 0x60: /* "TRUENAME" - CANONICALIZE FILENAME OR PATH */ TRACE(int21,"TRUENAME %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),SI_reg(context))); { if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), SI_reg(context)), 128, CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context)),NULL)) bSetDOSExtendedError = TRUE; else AX_reg(context) = 0; } break; case 0x61: /* UNUSED */ case 0x63: /* UNUSED */ case 0x64: /* OS/2 DOS BOX */ INT_BARF( context, 0x21 ); SET_CFLAG(context); break; case 0x65:{/* GET EXTENDED COUNTRY INFORMATION */ extern WORD WINE_LanguageId; BYTE *dataptr=CTX_SEG_OFF_TO_LIN(context, ES_reg(context),DI_reg(context)); TRACE(int21,"GET EXTENDED COUNTRY INFORMATION code page %d country %d\n", BX_reg(context), DX_reg(context)); switch (AL_reg(context)) { case 0x01: TRACE(int21,"\tget general internationalization info\n"); dataptr[0] = 0x1; *(WORD*)(dataptr+1) = 41; *(WORD*)(dataptr+3) = WINE_LanguageId; *(WORD*)(dataptr+5) = CodePage; *(DWORD*)(dataptr+0x19) = 0; /* FIXME: ptr to case map routine */ break; case 0x06: TRACE(int21,"\tget pointer to collating sequence table\n"); dataptr[0] = 0x06; *(DWORD*)(dataptr+1) = MAKELONG(DOSMEM_CollateTable & 0xFFFF,DOSMEM_AllocSelector(DOSMEM_CollateTable>>16)); CX_reg(context) = 258;/*FIXME: size of table?*/ break; default: TRACE(int21,"\tunimplemented function %d\n",AL_reg(context)); INT_BARF( context, 0x21 ); SET_CFLAG(context); break; } break; } case 0x66: /* GLOBAL CODE PAGE TABLE */ switch (AL_reg(context)) { case 0x01: TRACE(int21,"GET GLOBAL CODE PAGE TABLE\n"); DX_reg(context) = BX_reg(context) = CodePage; RESET_CFLAG(context); break; case 0x02: TRACE(int21,"SET GLOBAL CODE PAGE TABLE active page %d system page %d\n", BX_reg(context),DX_reg(context)); CodePage = BX_reg(context); RESET_CFLAG(context); break; } break; case 0x67: /* SET HANDLE COUNT */ TRACE(int21,"SET HANDLE COUNT to %d\n",BX_reg(context) ); SetHandleCount16( BX_reg(context) ); if (DOS_ExtendedError) bSetDOSExtendedError = TRUE; break; case 0x68: /* "FFLUSH" - COMMIT FILE */ case 0x6a: /* COMMIT FILE */ TRACE(int21,"FFLUSH/COMMIT handle %d\n",BX_reg(context)); bSetDOSExtendedError = (!FlushFileBuffers( HFILE16_TO_HFILE32(BX_reg(context)) )); break; case 0x69: /* DISK SERIAL NUMBER */ switch (AL_reg(context)) { case 0x00: TRACE(int21,"GET DISK SERIAL NUMBER for drive %s\n", INT21_DriveName(BL_reg(context))); if (!INT21_GetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE; else AX_reg(context) = 0; break; case 0x01: TRACE(int21,"SET DISK SERIAL NUMBER for drive %s\n", INT21_DriveName(BL_reg(context))); if (!INT21_SetDiskSerialNumber(context)) bSetDOSExtendedError = TRUE; else AX_reg(context) = 1; break; } break; case 0x6C: /* Extended Open/Create*/ TRACE(int21,"EXTENDED OPEN/CREATE %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DI_reg(context))); bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context); break; case 0x71: /* MS-DOS 7 (Windows95) - LONG FILENAME FUNCTIONS */ if ((GetVersion32()&0xC0000004)!=0xC0000004) { /* not supported on anything but Win95 */ TRACE(int21,"LONG FILENAME functions supported only by win95\n"); SET_CFLAG(context); AL_reg(context) = 0; } else switch(AL_reg(context)) { case 0x39: /* Create directory */ TRACE(int21,"LONG FILENAME - MAKE DIRECTORY %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context))); bSetDOSExtendedError = (!CreateDirectory32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ), NULL)); break; case 0x3a: /* Remove directory */ TRACE(int21,"LONG FILENAME - REMOVE DIRECTORY %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context))); bSetDOSExtendedError = (!RemoveDirectory32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) ))); break; case 0x43: /* Get/Set file attributes */ TRACE(int21,"LONG FILENAME -EXTENDED GET/SET FILE ATTRIBUTES %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context))); switch (BL_reg(context)) { case 0x00: /* Get file attributes */ TRACE(int21,"\tretrieve attributes\n"); CX_reg(context) = (WORD)GetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); if (CX_reg(context) == 0xffff) bSetDOSExtendedError = TRUE; break; case 0x01: TRACE(int21,"\tset attributes 0x%04x\n",CX_reg(context)); bSetDOSExtendedError = (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)), CX_reg(context) ) ); break; default: FIXME(int21, "Unimplemented long file name function:\n"); INT_BARF( context, 0x21 ); SET_CFLAG(context); AL_reg(context) = 0; break; } break; case 0x47: /* Get current directory */ TRACE(int21," LONG FILENAME - GET CURRENT DIRECTORY for drive %s\n", INT21_DriveName(DL_reg(context))); bSetDOSExtendedError = !INT21_GetCurrentDirectory(context); break; case 0x4e: /* Find first file */ TRACE(int21," LONG FILENAME - FIND FIRST MATCHING FILE for %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context))); /* FIXME: use attributes in CX */ if ((AX_reg(context) = FindFirstFile16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context)), (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context)))) == INVALID_HANDLE_VALUE16) bSetDOSExtendedError = TRUE; break; case 0x4f: /* Find next file */ TRACE(int21,"LONG FILENAME - FIND NEXT MATCHING FILE for handle %d\n", BX_reg(context)); if (!FindNextFile16( BX_reg(context), (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context)))) bSetDOSExtendedError = TRUE; break; case 0xa1: /* Find close */ TRACE(int21,"LONG FILENAME - FINDCLOSE for handle %d\n", BX_reg(context)); bSetDOSExtendedError = (!FindClose16( BX_reg(context) )); break; case 0xa0: TRACE(int21,"LONG FILENAME - GET VOLUME INFORMATION for drive %s stub\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context),DX_reg(context))); break; case 0x60: switch(CL_reg(context)) { case 0x01: /*Get short filename or path */ if (!GetShortPathName32A ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), SI_reg(context)), CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context)), 67)) bSetDOSExtendedError = TRUE; else AX_reg(context) = 0; break; case 0x02: /*Get canonical long filename or path */ if (!GetFullPathName32A ( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), SI_reg(context)), 128, CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context)),NULL)) bSetDOSExtendedError = TRUE; else AX_reg(context) = 0; break; default: FIXME(int21, "Unimplemented long file name function:\n"); INT_BARF( context, 0x21 ); SET_CFLAG(context); AL_reg(context) = 0; break; } break; case 0x6c: /* Create or open file */ TRACE(int21,"LONG FILENAME - CREATE OR OPEN FILE %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), SI_reg(context))); /* translate Dos 7 action to Dos 6 action */ bSetDOSExtendedError = INT21_ExtendedOpenCreateFile(context); break; case 0x3b: /* Change directory */ TRACE(int21,"LONG FILENAME - CHANGE DIRECTORY %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context) )) ) { SET_CFLAG(context); AL_reg(context) = DOS_ExtendedError; } break; case 0x41: /* Delete file */ TRACE(int21,"LONG FILENAME - DELETE FILE %s\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context))); if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)) )) { SET_CFLAG(context); AL_reg(context) = DOS_ExtendedError; } break; case 0x56: /* Move (rename) file */ TRACE(int21,"LONG FILENAME - RENAME FILE %s to %s stub\n", (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), DX_reg(context)), (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context))); default: FIXME(int21, "Unimplemented long file name function:\n"); INT_BARF( context, 0x21 ); SET_CFLAG(context); AL_reg(context) = 0; break; } break; case 0x70: /* MS-DOS 7 (Windows95) - ??? (country-specific?)*/ case 0x72: /* MS-DOS 7 (Windows95) - ??? */ case 0x73: /* MS-DOS 7 (Windows95) - DRIVE LOCKING ??? */ TRACE(int21,"windows95 function AX %04x\n", AX_reg(context)); WARN(int21, " returning unimplemented\n"); SET_CFLAG(context); AL_reg(context) = 0; break; case 0xdc: /* CONNECTION SERVICES - GET CONNECTION NUMBER */ case 0xea: /* NOVELL NETWARE - RETURN SHELL VERSION */ break; default: INT_BARF( context, 0x21 ); break; } /* END OF SWITCH */ if( bSetDOSExtendedError ) /* set general error condition */ { AX_reg(context) = DOS_ExtendedError; SET_CFLAG(context); } if ((EFL_reg(context) & 0x0001)) TRACE(int21, "failed, errorcode 0x%02x class 0x%02x action 0x%02x locus %02x\n", DOS_ExtendedError, DOS_ErrorClass, DOS_ErrorAction, DOS_ErrorLocus); TRACE(int21, "returning: AX=%04x BX=%04x CX=%04x DX=%04x " "SI=%04x DI=%04x DS=%04x ES=%04x EFL=%08lx\n", AX_reg(context), BX_reg(context), CX_reg(context), DX_reg(context), SI_reg(context), DI_reg(context), (WORD)DS_reg(context), (WORD)ES_reg(context), EFL_reg(context)); } FARPROC16 WINAPI GetSetKernelDOSProc(FARPROC16 DosProc) { FIXME(int21, "(DosProc=0x%08x): stub\n", (UINT32)DosProc); return NULL; }