>> I have something like this on a 32 bit little endian arm9 board (SAM9
>>
L9260):
>>
>> char buffer[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
>>
>> long A = * (
(long*)
>> buffer );
>> long B = * ( (long*) (buffer + 2) );
>>
>> printf("A: %
08x B: %08x", A,
>> B);
>>
>> I would expect that A = 0x03020100 and B =
0x05040302
>> instead I get the
>> right value for A but B is 0x01000302 or
something like this but anyway not
>> what I expect.
>> Is there something
wrong on the board? It seems that only 4
>> bytes aligned long are read
correctly.
>
>ARM9 does not support unaligned load/store. Yours is apparently
>configured in the round-and-rotate mode.
>e
Then my code is simply wrong, that
is, not allowed? If I have to port code from a PPC (that handles unaligned
accesses)
to an ARM9 it is painful operation..., isn't it?
Bye,
Antonio.
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
