| /* |
| * DOS interrupt 21h handler |
| */ |
| |
| #include <time.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <sys/file.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <utime.h> |
| #include <ctype.h> |
| #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" |
| #include "console.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; |
| BYTE DummyDBCSLeadTable[6]; |
| }; |
| 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"); |
| memset(heap->DummyDBCSLeadTable, 0, 6); |
| 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), |
| (DWORD)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)), 0, NULL ))) |
| { |
| 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), EDX_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_ParseFileNameIntoFCB( CONTEXT *context ) |
| { |
| char *filename = |
| CTX_SEG_OFF_TO_LIN(context, DS_reg(context), SI_reg(context) ); |
| char *fcb = |
| CTX_SEG_OFF_TO_LIN(context, ES_reg(context), DI_reg(context) ); |
| char *buffer, *s, *d; |
| |
| AL_reg(context) = 0xff; /* failed */ |
| |
| TRACE(int21, "filename: '%s'\n", filename); |
| |
| buffer = HeapAlloc( GetProcessHeap(), 0, strlen(filename) ); |
| |
| s = filename; |
| d = buffer; |
| while (*s) |
| { |
| if ((*s != ' ') && (*s != '\r') && (*s != '\n')) |
| *d++ = *s++; |
| else |
| break; |
| } |
| |
| *d = '\0'; |
| DOSFS_ToDosFCBFormat(buffer, fcb + 1); |
| *fcb = 0; |
| TRACE(int21, "FCB: '%s'\n", ((CHAR *)fcb + 1)); |
| |
| HeapFree( GetProcessHeap(), 0, buffer); |
| |
| AL_reg(context) = |
| ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0; |
| |
| /* point DS:SI to first unparsed character */ |
| SI_reg(context) += (int)s - (int)filename; |
| } |
| |
| 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), |
| EDX_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),EDX_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),EDX_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),EDX_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), EDX_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), EDX_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), ESI_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 void INT21_GetDBCSLeadTable( CONTEXT *context ) |
| { |
| if (heap || INT21_CreateHeap()) |
| { /* return an empty table just as DOS 4.0+ does */ |
| DS_reg(context) = DosHeapHandle; |
| SI_reg(context) = (int)&heap->DummyDBCSLeadTable - (int)heap; |
| } |
| else |
| { |
| AX_reg(context) = 0x1; /* error */ |
| SET_CFLAG(context); |
| } |
| } |
| |
| |
| static int INT21_GetDiskSerialNumber( CONTEXT *context ) |
| { |
| BYTE *dataptr = CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_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), EDX_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), EDX_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), EDX_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),EDX_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; |
| |
| |
| 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) ); |
| |
| |
| 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 0x54: /* GET VERIFY FLAG */ |
| INT_BARF( context, 0x21 ); |
| break; |
| |
| case 0x02: /* WRITE CHARACTER TO STANDARD OUTPUT */ |
| TRACE(int21, "Write Character to Standard Output\n"); |
| CONSOLE_Write(DL_reg(context), 0, 0, 0); |
| break; |
| |
| case 0x06: /* DIRECT CONSOLE IN/OUTPUT */ |
| TRACE(int21, "Direct Console Input/Output\n"); |
| CONSOLE_Write(DL_reg(context), 0, 0, 0); |
| break; |
| |
| case 0x07: /* DIRECT CHARACTER INPUT WITHOUT ECHO */ |
| TRACE(int21,"DIRECT CHARACTER INPUT WITHOUT ECHO\n"); |
| AL_reg(context) = CONSOLE_GetCharacter(); |
| break; |
| |
| case 0x08: /* CHARACTER INPUT WITHOUT ECHO */ |
| TRACE(int21,"CHARACTER INPUT WITHOUT ECHO\n"); |
| AL_reg(context) = CONSOLE_GetCharacter(); |
| 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),EDX_reg(context)); |
| LONG length = strchr(data,'$')-data; |
| _hwrite16( 1, data, length); |
| AL_reg(context) = '$'; /* yes, '$' (0x24) gets returned in AL */ |
| } |
| break; |
| |
| case 0x0a: /* BUFFERED INPUT */ |
| { |
| char *buffer = ((char *)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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), EDX_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 0x29: /* PARSE FILENAME INTO FCB */ |
| INT21_ParseFileNameIntoFCB(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 */ |
| FIXME(int21,"TERMINATE AND STAY RESIDENT stub\n"); |
| 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), EDX_reg(context))); |
| bSetDOSExtendedError = (!CreateDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_reg(context) ), NULL)); |
| break; |
| |
| case 0x3a: /* "RMDIR" - REMOVE SUBDIRECTORY */ |
| TRACE(int21,"RMDIR %s\n", |
| (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_reg(context))); |
| bSetDOSExtendedError = (!RemoveDirectory16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_reg(context) ))); |
| break; |
| |
| case 0x3b: /* "CHDIR" - SET CURRENT DIRECTORY */ |
| TRACE(int21,"CHDIR %s\n", |
| (LPCSTR)CTX_SEG_OFF_TO_LIN(context, DS_reg(context), EDX_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), EDX_reg(context))); |
| AX_reg(context) = _lcreat16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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), EDX_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), |
| EDX_reg(context) ), |
| CX_reg(context) ); |
| else |
| result = WIN16_hread( BX_reg(context), |
| PTR_SEG_OFF_TO_SEGPTR( DS_reg(context), |
| EDX_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), |
| EDX_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), EDX_reg(context))); |
| bSetDOSExtendedError = (!DeleteFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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), EDX_reg(context))); |
| AX_reg(context) = (WORD)GetFileAttributes32A( |
| CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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), EDX_reg(context))); |
| bSetDOSExtendedError = |
| (!SetFileAttributes32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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), EDX_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)),0,NULL); |
| 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),EDX_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<CX_reg(context);i++) |
| fprintf(stdnimp,"%02x ",dataptr[i]); |
| fprintf(stdnimp,"\n");*/ |
| AX_reg(context)=CX_reg(context); |
| break; |
| } |
| case 0x08: /* Check if drive is removable. */ |
| TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOVABLE for drive %s\n", |
| INT21_DriveName( BL_reg(context))); |
| switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) ))) |
| { |
| case DRIVE_CANNOTDETERMINE: |
| DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk ); |
| AX_reg(context) = ER_InvalidDrive; |
| SET_CFLAG(context); |
| break; |
| case DRIVE_REMOVABLE: |
| AX_reg(context) = 0; /* removable */ |
| break; |
| default: |
| AX_reg(context) = 1; /* not removable */ |
| break; |
| } |
| break; |
| |
| case 0x09: /* CHECK IF BLOCK DEVICE REMOTE */ |
| TRACE(int21,"IOCTL - CHECK IF BLOCK DEVICE REMOTE for drive %s\n", |
| INT21_DriveName( BL_reg(context))); |
| switch(GetDriveType16( DOS_GET_DRIVE( BL_reg(context) ))) |
| { |
| case DRIVE_CANNOTDETERMINE: |
| DOS_ERROR( ER_InvalidDrive, EC_NotFound, SA_Abort, EL_Disk ); |
| AX_reg(context) = ER_InvalidDrive; |
| SET_CFLAG(context); |
| break; |
| case DRIVE_REMOTE: |
| DX_reg(context) = (1<<9) | (1<<12); /* remote */ |
| break; |
| default: |
| DX_reg(context) = 0; /* FIXME: use driver attr here */ |
| break; |
| } |
| break; |
| |
| case 0x0a: /* check if handle (BX) is remote */ |
| TRACE(int21,"IOCTL - CHECK IF HANDLE %d IS REMOTE\n",BX_reg(context)); |
| /* returns DX, bit 15 set if remote, bit 14 set if date/time |
| * not set on close |
| */ |
| DX_reg(context) = 0; |
| break; |
| |
| case 0x0b: /* SET SHARING RETRY COUNT */ |
| TRACE(int21,"IOCTL - SET SHARING RETRY COUNT pause %d retries %d\n", |
| CX_reg(context), DX_reg(context)); |
| if (!CX_reg(context)) |
| { |
| AX_reg(context) = 1; |
| SET_CFLAG(context); |
| break; |
| } |
| sharing_pause = CX_reg(context); |
| if (!DX_reg(context)) |
| sharing_retries = DX_reg(context); |
| RESET_CFLAG(context); |
| break; |
| |
| case 0x0d: |
| TRACE(int21,"IOCTL - GENERIC BLOCK DEVICE REQUEST %s\n", |
| INT21_DriveName( BL_reg(context))); |
| bSetDOSExtendedError = ioctlGenericBlkDevReq(context); |
| break; |
| |
| case 0x0e: /* get logical drive mapping */ |
| TRACE(int21,"IOCTL - GET LOGICAL DRIVE MAP for drive %s\n", |
| INT21_DriveName( BL_reg(context))); |
| AL_reg(context) = 0; /* drive has no mapping - FIXME: may be wrong*/ |
| break; |
| |
| case 0x0F: /* Set logical drive mapping */ |
| { |
| int drive; |
| TRACE(int21,"IOCTL - SET LOGICAL DRIVE MAP for drive %s\n", |
| INT21_DriveName( BL_reg(context))); |
| drive = DOS_GET_DRIVE ( BL_reg(context) ); |
| if ( ! DRIVE_SetLogicalMapping ( drive, drive+1 ) ) |
| { |
| SET_CFLAG(context); |
| AX_reg(context) = 0x000F; /* invalid drive */ |
| } |
| break; |
| } |
| |
| case 0xe0: /* Sun PC-NFS API */ |
| /* not installed */ |
| break; |
| |
| default: |
| INT_BARF( context, 0x21 ); |
| break; |
| } |
| break; |
| |
| case 0x45: /* "DUP" - DUPLICATE FILE HANDLE */ |
| TRACE(int21,"DUP - DUPLICATE FILE HANDLE %d\n",BX_reg(context)); |
| bSetDOSExtendedError = ((AX_reg(context) = HFILE32_TO_HFILE16(FILE_Dup(HFILE16_TO_HFILE32(BX_reg(context))))) == (WORD)HFILE_ERROR16); |
| break; |
| |
| case 0x46: /* "DUP2", "FORCEDUP" - FORCE DUPLICATE FILE HANDLE */ |
| TRACE(int21,"FORCEDUP - FORCE DUPLICATE FILE HANDLE %d to %d\n", |
| BX_reg(context),CX_reg(context)); |
| bSetDOSExtendedError = (FILE_Dup2( HFILE16_TO_HFILE32(BX_reg(context)), HFILE16_TO_HFILE32(CX_reg(context)) ) == HFILE_ERROR32); |
| break; |
| |
| case 0x47: /* "CWD" - GET CURRENT DIRECTORY */ |
| TRACE(int21,"CWD - GET CURRENT DIRECTORY for drive %s\n", |
| INT21_DriveName( DL_reg(context))); |
| bSetDOSExtendedError = !INT21_GetCurrentDirectory(context); |
| break; |
| |
| case 0x48: /* ALLOCATE MEMORY */ |
| TRACE(int21,"ALLOCATE MEMORY for %d paragraphs\n", BX_reg(context)); |
| { |
| LPVOID *mem; |
| if (ISV86(context)) |
| { |
| mem= DOSMEM_GetBlock(0,(DWORD)BX_reg(context)<<4,NULL); |
| if (mem) |
| AX_reg(context) = DOSMEM_MapLinearToDos(mem)>>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),EDX_reg(context) )); |
| AX_reg(context) = WinExec16( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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), EDX_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),EDX_reg(context)), |
| (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_reg(context))); |
| bSetDOSExtendedError = |
| (!MoveFile32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)), |
| CTX_SEG_OFF_TO_LIN(context, ES_reg(context),EDI_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( HFILE16_TO_HFILE32(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), EDX_reg(context))); |
| bSetDOSExtendedError = ((AX_reg(context) = |
| HFILE32_TO_HFILE16(_lcreat_uniq( CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_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),ESI_reg(context))); |
| { |
| if (!GetFullPathName32A( CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| ESI_reg(context)), 128, |
| CTX_SEG_OFF_TO_LIN(context, ES_reg(context), |
| EDI_reg(context)),NULL)) |
| bSetDOSExtendedError = TRUE; |
| else AX_reg(context) = 0; |
| } |
| break; |
| |
| case 0x61: /* UNUSED */ |
| case 0x63: /* misc. language support */ |
| switch (AL_reg(context)) { |
| case 0x00: /* GET DOUBLE BYTE CHARACTER SET LEAD-BYTE TABLE */ |
| INT21_GetDBCSLeadTable(context); |
| break; |
| } |
| break; |
| 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),EDI_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), EDI_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),EDX_reg(context))); |
| bSetDOSExtendedError = (!CreateDirectory32A( |
| CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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),EDX_reg(context))); |
| bSetDOSExtendedError = (!RemoveDirectory32A( |
| CTX_SEG_OFF_TO_LIN(context, DS_reg(context), |
| EDX_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),EDX_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), |
| EDX_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), |
| EDX_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),EDX_reg(context))); |
| /* FIXME: use attributes in CX */ |
| if ((AX_reg(context) = FindFirstFile16( |
| CTX_SEG_OFF_TO_LIN(context, DS_reg(context),EDX_reg(context)), |
| (WIN32_FIND_DATA32A *)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), |
| EDI_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), |
| EDI_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),EDX_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), |
| ESI_reg(context)), |
| CTX_SEG_OFF_TO_LIN(context, ES_reg(context), |
| EDI_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), |
| ESI_reg(context)), 128, |
| CTX_SEG_OFF_TO_LIN(context, ES_reg(context), |
| EDI_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), ESI_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), EDX_reg(context))); |
| if (!SetCurrentDirectory32A(CTX_SEG_OFF_TO_LIN(context, |
| DS_reg(context), |
| EDX_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), EDX_reg(context))); |
| if (!DeleteFile32A(CTX_SEG_OFF_TO_LIN(context, |
| DS_reg(context), |
| EDX_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), EDX_reg(context)), |
| (LPCSTR)CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EDI_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; |
| } |
| |
