CSB337 cache invalidate question

Joel Sherrill <joel@OARcorp.com> joel.sherrill at OARcorp.com
Wed Dec 15 12:25:38 UTC 2004


Haberhausen, Dierk wrote:
> Hello,
> in my application I transfer data with the PDC, so I have to invalidate the
> cache sometimes...
> I thought that I can use the rtems_cache_invalidate_entire_data() function.
> But if I use the function I get an linking error undefined reference to
> rtems_cache_invalidate_entire_data().
> Now I use the mmu_set_cache_inval() BSP function from mmu.c directly, to
> invalidate the cache.
> 
> Therefore my question is it right that the CSB337 BSP currently not
> supporting 
> the rtems cache functions or have I done something wrong in my
> configuration?

Sounds like the mips code in libcpu/mips doesn't have the CPU model
specific glue for this CPU.  If you can provide a patch, it needs to
do so.

> Thanks...
> Dierk
> 


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