[CentOS] 486 custom kernel
John R Pierce
pierce at hogranch.com
Tue Dec 8 19:51:47 UTC 2009
Jerry Geis wrote:
> Hi all,
> Is it possible to take the 686 CentOS 5, install that in virtual machine,
> install a custom kernel that is the 486 flavor, take that image and
> put it on a 8G CF card - insert that into a small form factor 486 class
> machine and have that work?
> I am hoping the extra instructions in a 686 (MMX, SEE etc) are not used
> by any libraries
> that I would be using (just standard stuff) and the new 486 compiled
> kernel would not be
> using those instructions either.
> Can this possible work? I am hoping to not use debian i386 basically.
first, you'd need to reconfigure that linux running in a VM to run in
whatever hardware your embedded platform provides (network, disk, etc).
second, you'd not only need a new kernel, but also any usermode packages
that are -i686 or -i586 would need recompiling. there's more than you
check out http://www.damnsmalllinux.org/
that will run on nearly -anything- with very minimal resources. the
standard version fits on a 50MB live mini-CD (those credit card shaped
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