[U-Boot-Users] Function pointers after relocation
Nye Liu
nyet at mrv.com
Thu Jul 3 00:35:56 CEST 2003
Is this at all related to this problem:
http://sourceforge.net/mailarchive/message.php?msg_id=5376039
i.e. env not being copied from flash in relocate() when ENV_IS_EMBEDDED
is set?
On Thu, Jul 03, 2003 at 10:01:46AM +1200, Robin Gilks wrote:
> Wolfgang Denk wrote:
> >
> >This is not correct. The problem is that staticlly initialized data
> >(like initialized function pointers() must be manually relocated. If
> >there is such a thing left pointing to flash, it is a bug and should
> >be fixed.
> >
> >Which part of the code are you speaking of?
>
> Opps - a typo in the example!! I meant to say the pointer env_get_char()
> which is initialised to env_get_char_init and remains pointing at the
> Flash copy of that function after relocation.
>
> As it happens I think we have another problem in getting to our
> environment since the gd->env_ptr value seems to be garbage!! I don't
> see that running the code from Flash should in itself be a real problem
> (although undesirable).
>
> More info later if it's relevent...
>
>
> --
> Robin Gilks
> Senior Design Engineer Phone: (+64)(3) 357 1569
> Tait Electronics Fax : (+64)(3) 359 4632
> PO Box 1645 Christchurch Email : robin.gilks at tait.co.nz
> New Zealand
>
>
>
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--
Nye Liu
nliu at mrv.com
(818) 772-6235x248
"Who would be stupid enough to quote a fictitious character?"
-- Don Quixote
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