[PATCH] testsuite/spcache01: Clear allocated coherent cache memory

[Chris Johns]

On 18/10/21 4:50 pm, Sebastian Huber wrote:
> On 18/10/2021 07:19, chrisj at rtems.org wrote:
>> From: Chris Johns<chrisj at rtems.org>
>>
>> - Coherent cache memory is used in libbsd for things like descriptors
>>    and it optionally clears the memory on allocation. Test is works.
> 
> There is no guarantee that memset() and memcpy() work with cache coherent
> memory. Such memory areas may disallow misaligned access for example.

That seems reasonable however this change about testing the implicit
requirements we have that memset works. LibBSD requires memset works ...

https://git.rtems.org/rtems-libbsd/tree/rtemsbsd/rtems/rtems-kernel-bus-dma.c?h=6-freebsd-12#n260

Chris