[U-Boot] packed attribute problem

Wolfgang Denk wd at denx.de
Mon Oct 4 14:58:44 CEST 2010


Dear Balau,

In message <AANLkTik6FcN-n+4iG0VV67T7rvSaTB16=27QyA8D6=7z at mail.gmail.com> you wrote:
> 
> The compiler (4.4.1) generates the expected 32bit store instruction when using:
> 
> struct p {
>         int n;
> } __attribute__ ((packed, aligned(4)));

Confirmed.  Thanks for pointing this out.

> In case of hardware registers, I have yet to see a case where this is not true.

Indeed, sounds as if this was a solution in case the "packed" should
really be needed - which I seriously doubt.

Best regards,

Wolfgang Denk

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