MPC8260 cache patch

Robin Farine robin.farine@acn-group.ch
Tue Mar 25 15:23:00 GMT 2003


On Tue, 2003-03-25 at 15:56, Patrick Doyle wrote:
> I assume that there is a 'HAL_DCACHE_SYNC_REGION()' type of macro to flush
> just the portion of memory that needs to be synchronized.  In the other
> direction, I would expect the snooping hardware in the cache to handle
> received packets.

Alternatively, if the CPU caches virtual addresses, you could map the
first 16Kb of physical memory to a virtual region exclusively reserved
to HAL_DCACHE_SYNC().

-- 
rnf




More information about the Ecos-patches mailing list