On Wed, Nov 25, 2009 at 03:39:01PM +0100, Arnaud Patard wrote:
> > Would this only evict stuff from the ICACHE? When trying to execute
> > a just written buffer and with a writeback DCACHE you would need to
> > explicitly writeback the DCACHE to memory and invalidate the ICACHE.
>
> we already though about using BCACHE instead of ICACHE only but it
> didn't make any difference. the bug is still there.
My understanding is you need both ...
FLUSH/WRITEBACK the dcache and INVALIDATE the icache - the icache needs
to load the data which is in the dcache via memory.
Flo
--
Florian Lohoff flo@rfc822.org
"Es ist ein grobes Missverständnis und eine Fehlwahrnehmung, dem Staat
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