[linuxsh-dev] Re: Caches question

[kaz K. <kk...@rr...>]

Stuart Menefy <Stu...@st...> wrote:
> This was what I thought, until I started looking at it yesterday.
> You're right, it has the same synonym problem, due to cache size vs.
> page size issues. However there is one important difference, the
> hardware detects the synonym, and raises an exception when it would be
> created.

If this exception means the MIPS virtual coherency exception, it can
not detect the cache alias in chips with the primary cache only, like
R4000PC. Perhaps SH-4 is corresponding to such chip, though I don't
know about the newer MIPS chips.

	kaz