Mailinglist Archive: radeonhd (436 mails)

["Alex Deucher" <alexdeucher@xxxxxxxxx>]

On Tue, Jul 29, 2008 at 5:11 PM, Ales Fiala <ales.fiala@xxxxxx> wrote:
> Is there any plan to make the radeonhd driver work on big-endian
> machines?
>
> I am particularly talking about the code that accesses the atombios
> data structures, which are little-endian.  An example would be a
> line like the following, from rhdAtomGetTables():
>
>   unsigned int atom_romhdr_off =  *(unsigned short*)
>       (base + OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER);
>
> This will retrieve the offset incorrectly byte-swapped on a
> big-endian machine.
>
> I think accesses like these need to be wrapped in a macro.

radeon has support for atom on big endian that could be ported over.

Alex
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