[U-Boot] [PATCH] Align linebuf to avoid misaligned aliases of it

[Mike Frysinger]

On Wed, Aug 18, 2010 at 8:49 AM, Albert ARIBAUD wrote:
> Le 14/08/2010 19:42, Mike Frysinger a écrit :
>> On Sat, Aug 14, 2010 at 4:33 AM, Albert ARIBAUD wrote:
>>> Le 14/08/2010 10:25, Mike Frysinger a écrit :
>>>>>  int print_buffer (ulong addr, void* data, uint width, uint count, uint
>>>>> linelen)
>>>>>  {
>>>>> -       uint8_t linebuf[MAX_LINE_LENGTH_BYTES + 1];
>>>>> +       uint8_t linebuf[MAX_LINE_LENGTH_BYTES + 1]
>>>>> +               __attribute__((__aligned__(sizeof(uint32_t))));
>>>>
>>>> __aligned(sizeof(uint32_t))
>>>
>>> I based the __aligned__ on what's in post/cpu/ppc4xx/cache.c. What is the
>>> difference between __aligned and __aligned__?
>>
>> i dont mean "__attribute__((__aligned(sizeof(uint32_t))))", i mean
>> "__aligned(sizeof(uint32_t))".  the linux compiler headers take care
>> of expanding it to an attribute.
>
> The __aligned(...) syntax fails to compile with the ELDK 4.2 arm toolchain.

you need to include linux/compiler.h first ... but i would have
thought this be a header already included globally.  maybe that's a
new topic to start.
-mike