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Re: gcc48, drmkms issues with i386

On Wed, 9 Apr 2014, David Laight wrote:

> All the calls to 'prot_to_real' have to reside in the first 64k of
> the code area.
> The code them bombs out back to the outer loader.

This would make sense since the binary built with "-O0" is 92KB in size
so some part probably spills over.

Actually, even the normal code compiled with "-Os" is just over the
limit at 65732 (both self-built and in the releng snapshots).  If there's
something accessed in that last 196 bytes, that might be part of the
reason that all pxeboot_ia32.bin are failing.

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