Alright, here we go.
https://sites.google.com/site/lpsantil/Home/386DIS.ZIP
https://sites.google.com/site/lpsantil/Home/686DIS.ZIP
https://sites.google.com/site/lpsantil/Home/PATCHES.ZIP
https://sites.google.com/site/lpsantil/Home/kernels.zip
The *DIS files are a zip of kernel\*.lst after doing the wdis for loop.
PATCHES are the changed config's, builds, and watcom makefiles. kernels is
a big ol' zip ball of the 14 kernels & their map files.
On Fri, May 3, 2013 at 11:20 AM, Alain Mouette <ala...@pobox.com> wrote:
> There is one thint that I am aware of, and I use in my OpenWatcom
> programs: In a 586 execution will be faster if the instructions are
> rearanged, but still using only 386 instructions...
>
> Alain
>
> Em 03-05-2013 03:48, Eric Auer escreveu:
> >
> > Hoi Louis,
> >
> > please explain the hack / patch: Is the only thing that
> > you changed that the kernel is compiled for those CPUs?
> > Are there actually any differences between them? I can
> > imagine that OpenWatcom makes 186 and 286 the same and
> > everything above 386 the same. Unless the kernel would
> > contain heavy mathematical processing for which it is
> > obvious that above-386 optimizes better ;-) You could
> > tell the compiler to produce Assembly output (instead
> > of binary) and compare the text. Or you could use some
> > debug, disassembler (ndisasm?) or hex editor to compare
> > before you UPX things, but of course that is more work.
> >
> > Thanks for comparing :-) Maybe this is more a topic for
> > the kernel list. Note that if "a few" bytes are really
> > only 10 or so, all this is probably more an "academic"
> > exercise. Things get more exciting once you can save at
> > least a cluster of disk space or a paragraph of RAM :-)
> >
> > Regards, Eric
> >
> >> I hacked the 2041 kernel batch and make files included on the FD 1.1
> iso to
> >> allow the kernel to be built by OpenWatcom as 8086, 186, 286, 386, 486,
> >> 586, or 686. The resulting 686 kernel boots fine in VirtualBox 4.2.12
> in
> >> OSX 10.8.3 on my 2012 Mac Book Air 13" 4GB. The resulting kernel is a
> few
> >> bytes smaller compressed by upx than kernel installed by the FD 1.1 iso.
> >> I'm going to continue testing. No source changes were made. Not
> sure how
> >> the changes affect the nasm built files.
> >
> >
> >
> >
> >
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