Re: A short tutorial on running GRUB2 on a PPC
I have had libfreevec (clibrary replacement) installed on my g4 powerbook for several years with no problems, upgrading in place from etch to lenny to squeeze. but I have not tried to build apps against it.
gcc has very good auto-vectoring since 4.3 or 4.4 so you don't need to hand code. Some limited tests here show 2-3 times speedups.
nevertheless the rebuild process is so painful (especially by my lonesome) for debian and so painless for netBSD that I am planning a ground up build of the latter as soon as 6.0 comes out (they are a bit slower in the compiler updates).
Brian
2011/4/2 Rogério Brito
<rbrito@ime.usp.br>
(Please, keep me CC'ed, as I am not currently subscribed to -powerpc)
Hi there.
As some people may not consider yaboot to be a bootloader for the long term
(well, depending on your views, not even for the short term), I took some
time to distill, experiment, pull my hair, become frustrated, and write a
moderately introductory post on getting GRUB 2 on my iBook G4.
The post is here:
http://rb.doesntexist.org/blog/posts/running_grub2_on_powerpc_macs/
Please let me know if you find this useful.
BTW, I am just playing with getting Freevec on my computer (well, it should
be faster, since Altivec is essentially not used in current Linux
distributions) and I will keep those that want posted (if you want) when I
have something to show.
Well, right now, I have a very crufty solution that works for me, but that I
am ashamed to publish and ruin the rest of reputation that I have. :-)
Finally, a stupid question: is there anybody out there that knows if the
current Iceweasel in experimental (4.0) has any kind of JIT for PowerPC? I
mean, like TenFourFox (http://www.floodgap.com/software/tenfourfox/)?
If not, their patches are available
(http://tenfourfox.googlecode.com/files/TenFourFox-changesets-20110323.zip).
And the developer's blog is very instructive (http://tenfourfox.blogspot.com/).
(Yes, I know that I could just ask Mike Hommey, but let's see if anybody
here has already tried this).
Feedback is welcome.
Regards,
--
Rogério Brito : rbrito@{ime.usp.br,gmail.com} : GPG key 4096R/BCFCAAAA
http://rb.doesntexist.org : Packages for LaTeX : algorithms.berlios.de
DebianQA: http://qa.debian.org/developer.php?login=rbrito%40ime.usp.br
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