Re: [line-devel] Line port

[Jakob E. <ja...@vm...>]

Jakob Eriksson wrote:

>
> davesharp wrote:
>
>> Hi All,
>>
>> Great work on LINE, and I am very interested in porting the 
>> application to the BeOS platform. BeOS is already POSIX complient so 
>> I am hoping very few system calls will actually need to be translated.
>>
>> I am worried about the int80.sys driver though and how that would 
>> effect the project. Would I have to port that as well?  
>>
>
> Yes, and this is where the magic is.  Translating int80 Linux syscalls 
> to host target syscalls is done via
> a version of the cygwin dll. (AFAIK.)
>
> Porting to another OS altogether is possible. You can either use 
> something else
> than the cygwin code for your int80 translator, or you could port over 
> the cygwin dll to BeOS.
>
>
>> Plus, can the same technique be used to intercept calls to X11 to 
>> translate them into local API calls?
>>  
>>
>
> No, that's on another level.  Sure, it could probably be done on some 
> level, but translating X11 to whatever
> is a project on its own, much more complex than LINE itself.
>
> If you want to run X11 programs, it's easiest to just run an X server 
> on your host platform. (BeOS.)
>
> (If I had a wishlist, I'd like to se LINE running on MacOS X. Then you 
> could run Windows programs on MacOS... that would
> be awesome. But I guess you think the same of running Windows programs 
> on BeOS. :-)
>

By the way, I am totally misguided.  I was mixing up LINE with qemu 
http://fabrice.bellard.free.fr/qemu/  ... :-)

Both projects are cool.

And I also deduce you use BeOS on i386, not PPC.  ;-)

Jakob