June 2001 - Wine-devel - list.winehq.org

16-bit and 32-bit separation
by Patrik Stridvall 18 Jun '01

18 Jun '01

[Since the subject it up because of Dimitry's "Move 16-bit COMM stuff to USER, where it belongs" patch] My new tool winapi_fixup could without to much effort be extended to facillitate separation of 16-bit and 32-bit stuff by moving the 16-bit parts of a file (example: foo.c) to a new 16-bit only file (example: foo16.c). Of course because of dependecies, includes and such things it can only be partly automatic and it will in most cases require quite a lot editing afterwards, so the questions (primarily to Alexandre but other replies welcome to) are: 1. Will/Should Alexandre accept such patches at all? 2. Is it a useful effort to get the 16-bit stuff out of the way so we don't have to see it in the files when editing the 32-bit stuff? 3. Is it a useful effort to make it possible to have --disable-win16 configure option to compile out as much Win16 stuff as possible in order to save space in the binaries for say embedded stuff. 4. While this certainly it not a high or even medium priority effort, should it have low, very low or extremly low priority? PS. I have other stuff planed so I certainly do not lack things to do. However since the subject is up I might just as well ask.

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SIGSEGV while trying to run Word97
by Heiko Nardmann 17 Jun '01

17 Jun '01

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I am continously getting a dialog "Nicht genügend Arbeitsspeicher oder unzureichender Speicherplatz, um Word auszuführen" (German version). After trying to examine this problem with debugmsg all (without real success) I added an strace call to the whole call. This resulted in a log file which tells me that a SIGSEGV occurrs. Here is a part of the strace log file which contains the SIGSEGV message. After that the appropriate 'debugmsg all' part follows. What can be done to shed more light onto this problem? strace log: write(2, "08069280:trace:win32:_LeaveSysLe"..., 112) = 112 write(2, "08069280:Ret user32.CreateWindo"..., 68) = 68 write(2, "08069280:RET mso97.486: _MsoCre"..., 84) = 84 write(2, "08069280:trace:heap:HeapFree (40"..., 74) = 74 write(2, "08069280:Call kernel32.GetVersio"..., 49) = 49 write(2, "08069280:Ret kernel32.GetVersio"..., 65) = 65 write(2, "08069280:Call kernel32.GetVersio"..., 60) = 60 write(2, "08069280:Ret kernel32.GetVersio"..., 68) = 68 write(2, "08069280:Call kernel32.GlobalMem"..., 65) = 65 time(NULL) = 992531763 time(NULL) = 992531763 open("/proc/meminfo", O_RDONLY) = 11 fstat(11, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4035c000 read(11, " total: used: free:"..., 1024) = 319 read(11, "", 1024) = 0 close(11) = 0 munmap(0x4035c000, 4096) = 0 write(2, "08069280:Ret kernel32.GlobalMem"..., 73) = 73 write(2, "08069280:CALL mso97.394: _MsoFCr"..., 147) = 147 write(2, ") ret=30011010\n", 15) = 15 write(2, "08069280:Call kernel32.VirtualAl"..., 86) = 86 write(2, "08069280:trace:virtual:VirtualAl"..., 68) = 68 mmap2(NULL, 131072, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 ENOSYS (Function not implemented) old_mmap(NULL, 131072, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40e90000 munmap(0x40ea0000, 65536) = 0 write(2, "View: 40e90000 - 40e9ffff (vallo"..., 35) = 35 write(2, " 40e90000 - 40e9ffff -----\n", 32) = 32 write(2, "08069280:Ret kernel32.VirtualAl"..., 67) = 67 write(2, "08069280:Call kernel32.VirtualAl"..., 86) = 86 write(2, "08069280:trace:virtual:VirtualAl"..., 68) = 68 write(2, "08069280:trace:virtual:VIRTUAL_S"..., 63) = 63 mprotect(0x40e90000, 4096, PROT_READ|PROT_WRITE) = 0 write(2, "View: 40e90000 - 40e9ffff (vallo"..., 35) = 35 write(2, " 40e90000 - 40e90fff c-rW-\n", 32) = 32 write(2, " 40e91000 - 40e9ffff -----\n", 32) = 32 write(2, "08069280:Ret kernel32.VirtualAl"..., 67) = 67 - --- SIGSEGV (Speicherzugriffsfehler) --- write(2, "08069280:RET mso97.394: _MsoFCr"..., 126) = 126 rt_sigprocmask(SIG_BLOCK, [HUP INT ALRM IO], [], 8) = 0 write(5, "F\0\0\0\0\0\34\1<\0336@\1\0\0\0\304\357\17@\0\0\0\0\0\0"..., 64) = 64 read(6, "F\0\0\0\0\0\34\1\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 write(2, "08069280:trace:seh:EXC_CallHandl"..., 87) = 87 write(2, "08069280:trace:seh:EXC_RtlUnwind"..., 55) = 55 write(2, "08069280:trace:seh:EXC_CallHandl"..., 87) = 87 write(2, "08069280:trace:seh:EXC_CallHandl"..., 54) = 54 - --- SIGSEGV (Speicherzugriffsfehler) --- write(2, "08069280:trace:seh:EXC_RtlRaiseE"..., 63) = 63 rt_sigprocmask(SIG_BLOCK, [HUP INT ALRM IO], [], 8) = 0 write(5, "F\0\0\0\0\0\34\1<\0336@\1\0\0\0\304\357\17@\0\0\0\0\0\0"..., 64) = 64 read(6, "F\0\0\0\0\0\34\1\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 wine debug log: 08069280:trace:win32:_LeaveSysLevel (0x40753a74, level 2): thread 0x8069280 (fs 008f, pid 24063) count after 0 08069280:Ret user32.CreateWindowExW() retval=00000138 ret=306cc216 08069280:RET mso97.486: _MsoCreateMonitorWindow(a)0() retval = 00000000 ret=3000162f 08069280:trace:heap:HeapFree (40360000,00000002,403a4a80): returning TRUE 08069280:Call kernel32.GetVersion() ret=30001984 08069280:Ret kernel32.GetVersion() retval=05650004 ret=30001984 08069280:Call kernel32.GetVersionExA(405c686c) ret=300019b5 08069280:Ret kernel32.GetVersionExA() retval=00000001 ret=300019b5 08069280:Call kernel32.GlobalMemoryStatus(405c6900) ret=300019e2 08069280:Ret kernel32.GlobalMemoryStatus() retval=405c6900 ret=300019e2 08069280:CALL mso97.394: _MsoFCreateIPref(a)28(<unknown, check return>08069280:trace:heap:HeapAlloc (40360000,00000002,00000040): returning 403a4b98 ) ret=30011010 08069280:Call kernel32.VirtualAlloc(00000000,0000fffc,00002000,00000001) ret=3070b360 08069280:trace:virtual:VirtualAlloc 00000000 0000fffc 2000 00000001 View: 40e90000 - 40e9ffff (valloc) 40e90000 - 40e9ffff ----- 08069280:Ret kernel32.VirtualAlloc() retval=40e90000 ret=3070b360 08069280:Call kernel32.VirtualAlloc(40e90000,00001000,00001000,00000004) ret=3070b38b 08069280:trace:virtual:VirtualAlloc 40e90000 00001000 1000 00000004 08069280:trace:virtual:VIRTUAL_SetProt 40e90000-40e90fff c-rW- View: 40e90000 - 40e9ffff (valloc) 40e90000 - 40e90fff c-rW- 40e91000 - 40e9ffff ----- 08069280:Ret kernel32.VirtualAlloc() retval=40e90000 ret=3070b38b 08069280:RET mso97.394: _MsoFCreateIPref(a)28(30011020,00000000,08069280:trace:seh:EXC_RtlRaiseException code=c0000005 flags=0 08069280: queue_exception_event( first=1, record={context={flags=00000000,eax=00000000,ebx=400fefc4,ecx=4d535744,edx=00000000,esi=00000000,edi=00000007,ebp=405c6790,eip=400c8aca,esp=405c66cc,eflags=00010246,cs=0023,ds=002b,es=002b,fs=008f,gs=0000,dr0=00000000,dr1=00000000,dr2=00000000,dr3=00000000,dr6=00000000,dr7=00000000,float={00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000}},rec={code=c0000005,flags=0,rec=(nil),addr=0x400c8aca,params={0,4d535744}} ) 08069280: queue_exception_event() = 0 { handle=0 } 08069280:trace:seh:EXC_CallHandler calling handler at 0x4005b520 code=c0000005 flags=0 08069280:trace:seh:EXC_RtlUnwind code=c0000005 flags=2 08069280:trace:seh:EXC_CallHandler calling handler at 0x4005ad80 code=c0000005 flags=2 08069280:trace:seh:EXC_CallHandler handler returned 1 08069280:trace:seh:EXC_RtlRaiseException code=c0000005 flags=0 08069280: queue_exception_event( first=1, record={context={flags=00000000,eax=00000000,ebx=400fefc4,ecx=4d535744,edx=00000000,esi=00000000,edi=00000007,ebp=405c6790,eip=400c8baa,esp=405c66cc,eflags=00010246,cs=0023,ds=002b,es=002b,fs=008f,gs=0000,dr0=00000000,dr1=00000000,dr2=00000000,dr3=00000000,dr6=00000000,dr7=00000000,float={00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000}},rec={code=c0000005,flags=0,rec=(nil),addr=0x400c8baa,params={0,4d535744}} ) 08069280: queue_exception_event() = 0 { handle=0 } 08069280:trace:seh:EXC_CallHandler calling handler at 0x4005b520 code=c0000005 flags=0 08069280:trace:seh:EXC_RtlUnwind code=c0000005 flags=2 08069280:trace:seh:EXC_CallHandler calling handler at 0x4005ad80 code=c0000005 flags=2 08069280:trace:seh:EXC_CallHandler handler returned 1 - -- Heiko Nardmann (Dipl.-Ing.), h.nardmann(a)secunet.de, Software Development secunet Security Networks AG - Sicherheit in Netzwerken (www.secunet.de) Weidenauer Str. 223-225, D-57076 Siegen Tel. : +49 271 48950-13, Fax : +49 271 48950-50 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE7KcuPpm53PRScYygRAlfZAJ91r/8CwDzWpu0TU0vB+FRP18w14QCg4sCK GBnoWm0xkKgHgFucJcNrsno= =8hel -----END PGP SIGNATURE-----

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CS_PARENTDC problems
by Malte.Starostik＠t-online.de 17 Jun '01

17 Jun '01

Hi, we had some serious painting problems with dialog from an ActiveX control. All controls were invisible and only showed up sometimes on getting or losing focus. The cause is a custom class "_BitmapClass" that draws a logo and has the CS_PARENTDC class style (and no other class styles FWIW). Its WM_ERASEBKGND handler fills the complete dialog rect with that default Win95-Desktop-Background colour. According to the Win32 docs winelib behaves correctly wrt CS_PARENTDC and clipping. In this case it'd be Macromedia's fault as to how they implemented that window. However, I just found http://msdn.microsoft.com/library/techart/msdn_classy32.htm: <classy> If you use the CS_PARENTDC style for a class, each window in that class uses its parent window's DC. CS_PARENTDC is similar to CS_CLASSDC in that multiple windows share one DC. In CS_PARENTDC, however, the windows that share the DC need not belong to the same class. </classy> This contradicts the API docu at http://msdn.microsoft.com/library/psdk/winui/winclass_3b1v.htm: <api docs> CS_PARENTDC Sets the clipping rectangle of the child window to that of the parent window so that the child can draw on the parent. A window with the CS_PARENTDC style bit receives a regular device context from the system's cache of device contexts. It does not give the child the parent's device context or device context settings. Specifying CS_PARENTDC enhances an application's performance. <api docs> a little later, this is as near as the "classy" text comes to clipping: <classy> Another outcome of the CS_PARENTDC style is that child windows can draw anywhere in their parent's client area as well as drawing in their own client area. The CTL3D library, which creates 3-D effects around edit controls and list boxes, relies on this behavior. An application should not use CS_PARENTDC if it needs to adjust the mapping modes for different child windows. This will negate much of the benefit and could cause problems ensuring that each child window has the correct mapping mode set. </classy> Then I tried on Windows (2000), created a window with a child that has CS_PARENTDC set and * The paint rect of the PAINTSTRUCT as intialized by BeginPaint() equals the window's client rect - as expected. * but - surprise - so does the DC's clip box and trying to largen it to cover some or all areas of the parent fail and of course any drawing on the parent fails. * same for the DC returned by GetDC(hWnd) * only GetDCEx(hWnd, 0, DCX_PARENTCLIP) returns a DC that allows painting on the parent (no difference to a non-CS_PARENTDC window though) So, how is this painting on the parent with that style flag supposed to work? The things above make me think that it isn't possible at all or requires some additional steps. This would at least explain why the dialog described above looks busted in wine. If anyone could confirm my observations I'd come up with a patch. Thanks for any info, -Malte -- Wars don't determine who's right, only who's left.

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Re: PATCH: wine-config
by Andreas Mohr 17 Jun '01

17 Jun '01

On Sun, Jun 17, 2001 at 10:26:34AM +0200, Marcus Meissner wrote: > Hi, > > to help winelib using developers, this program exports flags and directories > to /usr/bin/. > > I am not sure whether exported cflags and libs are ok. > > Hmm, we probably should also tell how to build .so libs. And specs -> .cs. > (Hmm, supply Makefile snippets?) > > Ciao, Marcus > > Changelog: > Added a 'wine-config' for winelib developers. I don't think this is a good idea. That way it'll get confused with wineconf within fractions of a second... I'd much rather use a name like wlib-config or winelib-config instead. -- Andreas Mohr

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wrc error
by Bang Jun-Young 15 Jun '01

15 Jun '01

Hi, I got the following error when I tried to compile the latest CVS source: gmake[2]: Entering directory `/home/bjy/wine/dlls/user' LD_LIBRARY_PATH="../../unicode:$LD_LIBRARY_PATH" ../../tools/wrc/wrc -I. -I. -I../../include -I../../include -o resources/user32.res -r resources/user32.rc resources/user32_Ca.rc:2:1: Error: syntax error gmake[2]: *** [resources/user32.res] Error 1 After downgrading some files in wrc to earier revisions, Wine was successfully compiled again. I suspect that Francois Gouget's commit made on 2001-06-07 causes this. Jun-Young -- Bang Jun-Young <bjy(a)mogua.org>

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Re: Hangs in half-life menus (design problem in new queue code)
by Alexandre Julliard 14 Jun '01

14 Jun '01

Ove Kaaven <ovehk(a)ping.uio.no> writes: > The new message queue design doesn't seem to allow this to be fixed... > or does it? Working on it... -- Alexandre Julliard julliard(a)winehq.com

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Hangs in half-life menus (design problem in new queue code)
by Ove Kaaven 14 Jun '01

14 Jun '01

The new message queue code has caused the half-life menus to hang, since it handles timers slightly differently now. Now: - User moves mouse over a menu item - On mouseover, game starts a window timer (55ms) - On each WM_TIMER, game redraws the menu item. This takes longer than 55ms - After drawing, it checks messages. Since the 55ms timer has expired, another WM_TIMER is received, item is redrawn, any user input is ignored. Repeat Before, the hardware input queue was checked before WM_PAINT and WM_TIMER was checked, so the user could move the cursor away from the menu item (which would cancel the timer). With the new code, the hardware input queue (x11drv.MsgWaitFor...) is checked *after* timers, so the menu is now completely stuck. The new message queue design doesn't seem to allow this to be fixed... or does it?

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Re: virtual memory problems with Linux 2.4.5
by Alexandre Julliard 14 Jun '01

14 Jun '01

Alexandre Julliard <julliard(a)winehq.com> writes: > Another related problem is that even without this bug, mmap64 will > always refuse to do an unaligned mmap, even if the kernel might have > accepted it (with kernel 2.2.x for instance). Maybe the best solution > would be to directly call the mmap syscall instead of mmap2 when > mapping executables, this would fix both problems. OK, here we go. Could you please test this, especially people running kernel 2.4? Index: memory/virtual.c =================================================================== RCS file: /opt/cvs-commit/wine/memory/virtual.c,v retrieving revision 1.63 diff -u -r1.63 virtual.c --- memory/virtual.c 2001/06/13 20:13:20 1.63 +++ memory/virtual.c 2001/06/14 02:15:36 @@ -104,7 +104,8 @@ #define VIRTUAL_DEBUG_DUMP_VIEW(view) \ if (!TRACE_ON(virtual)); else VIRTUAL_DumpView(view) -static LPVOID VIRTUAL_mmap( int fd, LPVOID start, DWORD size, DWORD offset, int prot, int flags ); +static LPVOID VIRTUAL_mmap( int fd, LPVOID start, DWORD size, DWORD offset_low, + DWORD offset_high, int prot, int flags ); /* filter for page-fault exceptions */ static WINE_EXCEPTION_FILTER(page_fault) @@ -471,7 +472,7 @@ /* map the header */ - if (VIRTUAL_mmap( fd, ptr, header_size, 0, PROT_READ | PROT_WRITE, + if (VIRTUAL_mmap( fd, ptr, header_size, 0, 0, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED ) == (char *)-1) goto error; dos = (IMAGE_DOS_HEADER *)ptr; nt = (IMAGE_NT_HEADERS *)(ptr + dos->e_lfanew); @@ -533,7 +534,7 @@ sec->PointerToRawData, pos, sec->SizeOfRawData, size, sec->Characteristics ); if (VIRTUAL_mmap( shared_fd, (char *)ptr + sec->VirtualAddress, size, - pos, PROT_READ|PROT_WRITE|PROT_EXEC, + pos, 0, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_FIXED ) == (void *)-1) { ERR_(module)( "Could not map shared section %.8s\n", sec->Name ); @@ -555,7 +556,7 @@ * fall back to read(), so we don't need to check anything here. */ if (VIRTUAL_mmap( fd, (char *)ptr + sec->VirtualAddress, sec->SizeOfRawData, - sec->PointerToRawData, PROT_READ|PROT_WRITE|PROT_EXEC, + sec->PointerToRawData, 0, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE | MAP_FIXED ) == (void *)-1) { ERR_(module)( "Could not map section %.8s, file probably truncated\n", sec->Name ); @@ -650,6 +651,46 @@ } + +/*********************************************************************** + * unaligned_mmap + * + * Linux kernels before 2.4.x can support non page-aligned offsets, as + * long as the offset is aligned to the filesystem block size. This is + * a big performance gain so we want to take advantage of it. + * + * However, when we use 64-bit file support this doesn't work because + * glibc rejects unaligned offsets. Also glibc 2.1.3 mmap64 is broken + * in that it rounds unaligned offsets down to a page boundary. For + * these reasons we do a direct system call here. + */ +static void *unaligned_mmap( void *addr, size_t length, unsigned int prot, + unsigned int flags, int fd, unsigned int offset_low, + unsigned int offset_high ) +{ +#if defined(linux) && defined(__i386__) && defined(__GNUC__) + if (!offset_high && (offset_low & page_mask)) + { + int ret; + __asm__ __volatile__("push %%ebx\n\t" + "movl %2,%%ebx\n\t" + "int $0x80\n\t" + "popl %%ebx" + : "=a" (ret) + : "0" (90), /* SYS_mmap */ + "g" (&addr) ); + if (ret < 0 && ret > -4096) + { + errno = -ret; + ret = -1; + } + return (void *)ret; + } +#endif + return mmap( addr, length, prot, flags, fd, ((off_t)offset_high << 32) | offset_low ); +} + + /*********************************************************************** * VIRTUAL_mmap * @@ -657,15 +698,16 @@ * and falls back to read if mmap of a file fails. */ static LPVOID VIRTUAL_mmap( int fd, LPVOID start, DWORD size, - DWORD offset, int prot, int flags ) + DWORD offset_low, DWORD offset_high, int prot, int flags ) { int pos; LPVOID ret; + off_t offset; if (fd == -1) return wine_anon_mmap( start, size, prot, flags ); - if ((ret = mmap( start, size, prot, flags, fd, offset )) != (LPVOID)-1) - return ret; + if ((ret = unaligned_mmap( start, size, prot, flags, fd, + offset_low, offset_high )) != (LPVOID)-1) return ret; /* mmap() failed; if this is because the file offset is not */ /* page-aligned (EINVAL), or because the underlying filesystem */ @@ -687,6 +729,7 @@ ret = wine_anon_mmap( start, size, PROT_READ | PROT_WRITE, flags ); if (ret == (LPVOID)-1) return ret; /* Now read in the file */ + offset = ((off_t)offset_high << 32) | offset_low; if ((pos = lseek( fd, offset, SEEK_SET )) == -1) { munmap( ret, size ); @@ -1524,8 +1567,8 @@ shared_file, shared_size ); - if (size_high || offset_high) - ERR("Offsets larger than 4Gb not supported\n"); + if (size_high) + ERR("Sizes larger than 4Gb not supported\n"); if ((offset_low >= size_low) || (count > size_low - offset_low)) @@ -1570,7 +1613,7 @@ TRACE("handle=%x size=%x offset=%lx\n", handle, size, offset_low ); - ptr = (UINT)VIRTUAL_mmap( unix_handle, addr, size, offset_low, + ptr = (UINT)VIRTUAL_mmap( unix_handle, addr, size, offset_low, offset_high, VIRTUAL_GetUnixProt( prot ), flags ); if (ptr == (UINT)-1) { /* KB: Q125713, 25-SEP-1995, "Common File Mapping Problems and -- Alexandre Julliard julliard(a)winehq.com

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clipped child
by lawson_whitney＠juno.com 14 Jun '01

14 Jun '01

Good day! A little problem. Unhandled exception: page fault on read access to 0x00000067 in 32-bit code (0x40a25f4e). In 32-bit mode. 0x40a25f4e (clip_children+0x7e [winpos.c:83] in libx11drv.so): testb $0x10,0x67(%esi) 83 if (ptr->dwStyle & WS_VISIBLE) Lawson ---

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RE: wine on Alpha (was: Help needed)
by Patrik Stridvall 14 Jun '01

14 Jun '01

> > Still, you must be aware of a few thing. > > * Wine is not 100% byte order clean. > > Alpha seems to be "correct" endian ;) True. But what I meant was since the size of integer changes from 32 to 64 bits, any code that rely on the exact layout of memory might have problems becuase of this. This is not the same as the problem below where you have pointer truncation issues or because code expects that DWORD x; int y; x = y; will work correcly. But OK. I shold probably explained better what I meant. Anyway all code should be byte order clean regardless and making it so might solve some 32/64 bit byte layout problems as well. When you change to code for Alpha you might as well change it to work with big endian platforms as well. > > * Wine is not 64 bit clean. > > This is a little worse especially since > > Win32 often stores pointers in 32 bit integers > > and this problem really can't be solved in > > a good way, since extending the size of the storage > > is not possible at least not if you want to > > be able to implement a x86 emulator in the > > future. However I guess it will be possible > > to force all memory usage to be in the lower > > 32 bits of memory to be able to cope with > > truncated pointers. > > Digital has(d) a lot of very good emulation technologies - > FX!32 which let to run win32 386 apps on NT Alpha with > almost full speed, em86 which runs 386 Linux apps on Linux > Alpha (http://www.cs.rose-hulman.edu/~donaldlf/em86/index.html) > x86emu which is used in XFree86 and MILO to initialize > graphic card's 386 BIOS. True, but Wine might need something a little more than that and FX!32 doesn't have souce code available AFAIK. Of course that is perhaps not a problem for an internal Digital project. :-) Anyway, that is a later problem. Just making Winelib work might take some effort.

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