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1999-11-16
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O D I N Public Alpha 5 - 1999/11/16
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
WANTED: We are still looking for talented developers that want to
contribute! Please take a look at the last section!
NOTE: LICENSE.TXT describes the Project Odin Software License.
Project Odin Information
========================
1.0 Introduction
----------------
This readme is intended for end users that have downloaded the
latest public alpha release and want to give it a try. For more
information, be sure to regularly check http://www.netlabs.org/odin.
1.1 Purpose
-----------
Odin is a free Open Source project with the goal to eventually
provide a fully working Win32 (Win 95/98/NT/2000) runtime environment,
making it possible to run your favorite Windows programs under OS/2,
as if they were native OS/2 programs. The second goal of Odin is to
provide the full Win32 application programming interface (API) so
that it is possible to build OS/2 programs using Windows source
code. This is also refered to as Odin32 whereas Odin is the name
of the Win32 binary emulator.
1.2 Current Status
------------------
Odin is still in the early alpha state so that it is very far from
being widely usable. Most programs will not work or show many
problems. Even though it is not usable for most programs, we have
decided to do a public release in order to show how much progress
the project has been made. A second goal is to attract more developers
in order to speedup development. Our job includes rewriting most
parts of Windows 95/NT without having the original source code so
the more developers we have the more progess will be seen. The
last public release (Alpha 0.004) has been in 1997 and the project
has changed much since then. Everything is free and Open Source now
and the base architecture has been improved quite a lot. We are now
in a position where we can expect the first bigger applications to
run well and to make much more visible progress.
1.3 Changes and additions in alpha 5
------------------------------------
- Removed Open32 dependacy in User32 code: windows, dialogs, buttons and
other controls creation and manipulation is now implemented fully in Odin32.
Applications have Win32 look: Win32 specific controls are also supported
(Open32 is still a requirement as other Odin32 functions use it!)
- New and improved PE2LX converter
- New Portable Executable Loader (PE) that overcomes some differences
between OS/2 and Win32 memory models (this does not include 512MB
per-process memory limitation in OS/2, you still need the Aurora-level
kernel for that)
- New WIN32K32k.SYS driver that automates loading of Win32 binaries (no
conversion or invocation through PE.EXE loader is needed), now
compatible with WSeB (Aurora) and no longer dependant of code under
GNU license
- Wine ports of common controls (comctl32), shell extensions (shell32) and
OLE
- Full implementation of memory mapped files
- Joystick support (winmm)
- Direct Input (DirectX keyboard & mouse) added (Wine Port)
- Rewrite of DirectDraw. More complete implementation.
- Couple of (not core Win32 API, but often used) new DLLs (winasp32, lz32,
avifil32...), so users don't have to have Windows license at all to run
Windows programs
- Many new API functions implemented or ported from Wine, allows
developers to port Win32 apps directly to OS/2 with little to no rewriting
- Many bugfixes and enhancements
- Many new programs that load and/or work with Odin
- Full source code available
2.0 Installing Odin
-------------------
Odin installation must be done manually at this time. However, only
a few simple tasks must be completed:
- Unzip the odin zipfile into a new directory (i.e. C:\ODIN)
- Add this directory to the LIBPATH and PATH statements of your config.sys
- Optionally install the win32k device driver (see 2.3.3)
- Reboot your machine
To run DirectDraw games or Quake 2 in Voodoo mode, you must install Holger
Veit's XFree86/2 support driver (XF86SUP.SYS).
Visit http://ais.gmd.de/~veit/os2/xf86sup.html to download it.
2.0.1 Log files
---------------
The alpha 5 binaries and daily build zipfiles can generate logfiles to show
what a win32 application is doing. This can be very useful to determine
why certain applications don't run correctly.
The major disadvantage of loggging is the overhead. Therefor it has been
disabled by default in the alpha 5 release and daily builds.
To enable logging set the environment variable WIN32LOG_ENABLED:
SET WIN32LOG_ENABLED=1
To disable logging again, you must clear this variable:
SET WIN32LOG_ENABLED=
2.1 Using Odin to run your Windows applications
-----------------------------------------------
Odin still has several ways to execute Win32 programs.
2.2 The Ring3 Win32 Loader (PE.EXE)
----------------------------------
This is the new and also recommended method for loading programs.
Unlike with the previous alphas, it is not required to convert or
anyhow change the original files. Installing a device driver is
also not necessary. Be sure to put the Odin binary directory into
both the PATH and LIBPATH (alternatively you can use a batch file
with SET PATH=C:\Odin\bin;%PATH% and SET BEGINLIBPATH=C:\Odin\bin;)
and then call pe.exe winprog.exe param1 param2 ... If you wanted
to start the Windows calculator, you would type
pe calc
The PE (Portable Executable, the Win32 executable format) loader
will now try to load the application into memory and execute it.
This will either work or fail with a loader message. If you get
such a loader message, it is very likely that a required DLL is
missing. To correct that problem, take a look at pe_0.log (or
pe_1.log for the second program running at this time and so on).
At the bottom of the file you will see the DLLs and the functions
that the loader imports. It will tell you if it couldn't find a
DLL and you can correct the problem and try it again.
2.2.1 PE loader issues
----------------------
As the PE loader will create the process and load the program,
a process utility such as pstat will always show PE.EXE as the
executable file.
It is also possible that a certain Win32 application becomes
a zombie (that is when it does certain things the OS/2 kernel
cannot recover such as die when waiting on a semaphore). Then
it will not be possible to kill the application - only a system
restart will help.
Certain programs do use fixed memory addresses where they need
to be loaded (i.e. they won't use fixups). You can notice this
at the top of the loader log file (pe_0.log). If the fixed address
is above the 512MB barrier present in Warp 4 and Warp 3, the
program can not be run under these system. On Aurora (Warp Server
for e-business) this limitation has been removed. Programs known
to fall under this category are Microsoft Office (also the
Office viewers) and other mainly Microsoft programs.
2.3 The Ring0 conversion utility driver (WIN32K.SYS)
----------------------------------------------------
The win32k.sys driver makes PE (Win32) executables equal to native OS/2
executables by implementing a Ring 0 on-the-fly converter. The converter is
Pe2Lx.exe. So, everything that works with Pe2Lx will probably work with
win32k.sys. And vice versa, when Pe2lx can't handle it, win32k.sys won't either.
You may wonder how you may run a Win32 program using a device driver. You
don't have to worry about that, simply treat the Win32 program just as an
another OS/2 program. OS/2 can't tell the difference!
No conversion of dlls or running programs thru Pe.EXE.
For example, if you fancy playing windows solitaire.
1) Make sure the necessary DLLs are in you (BEGIN/END)LIBPATH,
and that SOL.EXE is in the current directory or the directory you
specify.
2) Then start SOL.EXE by simply typing SOL.EXE (with path if necessary).
It's also possible to start SOL.EXE from the desktop if you like.
Simply find the SOL.EXE icon (or create it) and double click on it!
2.3.1 WARNING
-------------
The Win32k.sys is alpha software and any bugs which haven't been found
yet may crash and/or corrupt you entire system! Make sure you have backed up
important stuff first!
We are not responsible for ANYTHING AT ALL! See Odin32 disclaimer...
Before you install win32k.sys make sure that you have a backdoor to your system
which works. For example try to boot your system using the Alt+F1 during bootup
and choose Commandline boot (F2). Make sure you have an textmode editor which
works; for example TEDIT.EXE.
2.3.2 Requirements
------------------
Win32k should work on any Warp 4 or Warp Server for e-business installations
which Odin32 works on. It requires only one thing, a kernel symbol file. The
kernel symbol is looked for in \OS2\PDPSI\PMDF\WARP4 and
\OS2\PDPSI\PMDF\WARP45_U/S. All warp 4 and WE4eB installations should have
those direcotries (we hope). It is updated when you install a new fixpack - so
there is really nothing to worry about for the common user.
For those playing with debug-kernels, make sure that OS2KRNL.SYM is matching
the running kernel, while this file too is investigated. (The complete list
is found in src\Win32k\dev16\probkrnl.c,apszSym[] - odin32 source tree.)
2.3.2.1 Warp 3
--------------
Win32k is not tested with Warp 3. It is supposed to work with Warp 3 provided
that the os2krnl.sym file is present. Warp Server 4 has this, common Warp 3
doesn't.
2.3.3 Installation
------------------
To use Win32k.sys you have to add the following line into your config.sys:
device=<d:\path\>win32k.sys
Where <d:\path\> is the path to the win32k.sys, i.e. the odin32 executables
directory.
After doing this, you'll have to reboot your machine to load the driver. During
the boot process you will on a successful installation see some lines of
technical info and finally a line saying:
'Win32k.sys succesfully initiated!'
If you don't see the line above something is wrong.
2.3.4 Win32k parameters
-----------------------
There are some useful parameters for Win32k:
-Q Quiet driver initiation. (Default is verbose (-V) initiation.)
-V Verbose driver initiation. Default.
-S:<filename> Full path to the current OS/2 kernel symbol file.
-K:<filename> Full path to the running OS/2 kernel.
2.3.5 Rings - Ring 0 / Ring 3
-----------------------------
FYI. Ring 0 is the most priveleged level of execution in OS/2. The OS/2 kernel
and device drivers execute at this level, while user applications execute in
Ring 3, the least priveleged executing level.
2.4 The Ring3 conversion utility (PE2LX.EXE)
--------------------------------------------
PE2LX.EXE was the first method of running Win32 programs under
OS/2. It is still provided and also functional but it has been
deprecated. Using it is only sensible for debugging certain
problems as it requires all DLLs and EXEs to be converted into
another file format thus changing the original Win32 files.
3.0 Applications known to be working
------------------------------------
- Windows 95/NT Help Viewer (winhlp32.exe)
- Windows 95/NT Registry Editor
- Windows NT Solitaire (not the one from Windows 95)
- Windows NT Freecell (not the one from Windows 95)
- Windows 95/NT Calculator
- Windows NT Pinball
- Windows NT Minesweeper
- Quake II
- Red Alert
- Professional Minesweeper
- Windiff (part of Win32 SDK)
Note that many other applications load and/or partly work.
4.0 Reporting Problems and Successes
------------------------------------
In this early stage it is not required that you report every
bug to the developers as we still have huge lists of to do items.
However, an application compatibility database has been created
at Netlabs where you can share your experiences with Odin.
The application compatibility database can be found at
http://www.netlabs.org/odin/appdatabase
Project Odin Source Code Notes
==============================
1.0 Introduction
----------------
This readme is intended for making people more familiar with ODIN and to
describe various aspects of the project such as accessing latest sources via
cvs, building the binaries, running win32 applications, how to identify and
report problems and bugs, as well as how to participate in this very
promising project.
1.1 Prerequisites:
------------------
Required compilers/tools:
- IBM VisualAge 3.0 (CTx8 fixpack applied)
(version 3.6 might also work, but version 4 is not
recommended)
- OS/2 Warp 4 Toolkit (project apparently doesn't compile with
VAC's OS/2 headers)
Might also work with EMX headers. (haven't tried this!)
- ALP 4.0 (IBM Assembly Language Processor)
Download the tools zipfile from http://service.boulder.ibm.com/ddk/
(you need to register, but it's free)
- Unix-like rm.exe (nmake clean)
Changes from last source code release:
- Uses Wine headers and a stripped down version of os2win.h (Open32
header)
- All Open32 apis have the 'O32_' prefix.
- All Open32 declarations are appended with '_O32' (mostly due to
calling convention differences)
- nmake DEBUG=1 builds the debug version
nmake builds the release version
- Several dlls (i.e. USER32, KERNEL32, ADVAPI32) contain extra .def
files that are used to create libraries that contain the api names
as required by the linker when you use them. (_apiname@nrparameterbytes)
Wine header notes:
- Several header files have been changed to make them usable for VAC
- Several header files contain bugfixes (mostly parameter type changes)
- Several header files include additional declarations
- At this time we don't intend to have our changes included in the
Wine codebase as header files are not likely to change often.
Coding conventions:
- Do NOT directly call the Open32 apis unless you're writing
a wrapper for it.
- Do NOT include os2.h directly. Use os2wrap.h instead.
os2wrap.h contains all the OS/2 apis with a wrapper around it to save
and restore the selector in FS. (some OS/2 apis set it back to the
default value (150b))
- Use the correct Win32 api when there are two version (ascii & unicode)
Calling the standard one (SendMessage) causes a error during
compilation.
Use SendMessageA instead.
- Source code style will be decided on in the near future.
2.0 Accessing ODIN source code via CVS
--------------------------------------
Please check out http://www.netlabs.org/ and http://www.netlabs.org/odin.
3.0 Building the binaries
-------------------------
Basically, if your system setup meets above stated requirements, everything you
need to do for a binary build is:
nmake DEBUG=1
or alternatively
nmake release (not working right now!)
As the current state of the project is still known to be alpha level, one should
expect some functions not to work properly. Therefore, we recommend the use of
the debug-version which creates long logfiles for problem determination purpose
and to allow active debugging with debuggers such as IPMD, ICAT, KDB, etc.
Please note if you do not want to suffer from the performance loss of writing
logfiles, you can disable logging even with the debug binaries of ODIN by
setting:
SET NOWIN32LOG=YES
To enable logging again, clear this environment variable by typing:
SET NOWIN32LOG=
Logging is enabled by default in the debug build, but disabled by default
in the nodebuginfo build and not present in the release build.
3.1 Build problems
------------------
ODIN is moving at a fast pace. Sometimes side effects of source dependencies may
require you to do a full rebuild of the binaries instead of an incremental build.
However, rarely it also happens the sources contained in the CVS repository do
not build completely due to erroneous source code. Usually, this is fixed within
two days at maximum.
In such event, one can normally stick with the previous version of the particular
module to further test win32 applications on ODIN.
Please report such build problems through the appropriate channel.
3.2 Downloading daily built binaries
------------------------------------
http://www.os2.org/ has setup an ftp server that hosts the automatically
built binaries on daily basis. For people that do not have a suitable
development setup for ODIN, we provide the latest binary code that way.
4.0 Project participation
-------------------------
As ODIN became an open source project, everybody is kindly invited to
contribute his/her share to the progress of the project. May it be
active coding, fixing bugs or just providing detailed information about
examined problems.
We suggest you subscribe to win32os2-wai and the corresponsing mailing lists
on http://www.egroups.com.
In case you are interested in participating, every member of the project will
be happy to give you direction to the right places and to give a personal
introduction to further development of the particular modules.