On Mon, Apr 14, 2003 at 12:35:14PM +0900, Atsushi Nemoto wrote:
> TOSHIBA_ICACHE_WAR can be removed. This workaround is not needed
> if kernel does not modify the cache codes itself in run-time.
>
> When I wrote c-tx49.c I blindly followed the statement in TX49/H2
> manual's statement. ("If the instruction (i.e. CACHE) is issued for
> the line which this instruction itself exists, the following operation
> is not guaranteed.") Now I know this warning is only for
> self-modified code. There must be no problem if the codes is not
> modified in run-time. So please remove all TOSHIBA_ICACHE_WAR stuff
> and make c-r4k.c more clean.
Excellent. This should provide a good performance boost for the TX49
also as disabling the I-cache during the flush made the operation even
slower than it has to be.
Ralf
