Eric W. Biederman wrote:
Andi Kleen <[email protected]> writes:
On Thursday 23 February 2006 14:57, Arjan van de Ven wrote:
(or at least
it shouldn't), but arch/x86_64/boot/compressed/head.S
seems to have the entry address hardcoded. Perhaps you can just change this
to pass in the right address?
the issue is that the address will be a link time thing, which means
lots of complexity.
bzImage image should be only generated after vmlinux is done
and then the address should be available with a simple grep in System.map
Andi it is more than that. At least it was last I payed attention.
There are symbols like stext that various things depend on being early,
at least last time I looked. So while it is doable it requires some
careful looking.
_stext and such are very easy. That is actually not a real variable just
a linker script thing, and since the reordering works on the linker
script level that's already taken care of ;-)
I've looked some yesterday at generating this at runtime, and haven't
found a clean enough solution yet (esp one that doesn't break kdump);
I'll keep poking at it for a bit more though....
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