Build error on the EPIA-M
Adam Sulmicki
adam at cfar.umd.edu
Sun Feb 27 12:13:01 CET 2005
>> i guess you can do it either way
>> a) pcmcia/ide support in kernel and use that (big!) kernel to
>> boot from that device
>> b) use ide<cf> adapater and smaller kernel with ide support only.
>>
>
> I don't think in-kernel will be enough. pcmica services depend on the
> card manager deamon to detect device insertions and register the
> device. cardmgr is user space.
it was my understanding that the reason the pcmcia/cardbus stuff got
integrated into kernel in the first place was to support booting from such
devices.
>
> So I think you will have to go early userspace or an initrd and either
> pivot root or kexec into another kernel.
>
> When I did my wireless pcmcia net boot setup I had to compile the
> pcmcia-cs stuff against uclibc to get it small and remove the glib
> dependency. I was placeing it all in 1Meg of ROM so I even went
> further and hacked down cardmgr so that all it would do was register
> the device. Then I built a small initrd with all the tools. The boot
> system then pulled the real kernel down off the network and kexeced
> into it.
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