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Re: MDI: testsuite support
On Tue, Feb 26, 2008 at 04:38:51PM +0000, Maciej W. Rozycki wrote:
> Which "rest of the MDI target" are you specifically referring to?
I meant the actual target, that is, the bits this testsuite support
lets you test. You haven't posted that, have you?
> Note I mean these commands are really obscure and are used things like to
> peek or poke at TLB entries and cache lines "through a back door", so I
> gather whoever is skilled enough to dare would know what they are doing
> and get used to whatever the commands are called. In fact hardly anybody
> uses them as proved by an embarrasing bug I fixed a while ago somewhere in
> this area. ;-) They are occasionally useful for stuff like debugging
> system bringup issues, weird cache corruption problems and suchlike.
This is the sort of thing that makes me wish all our targets used
"target remote". MDI isn't the only target interface that offers this
sort of thing, and it would be nice to have the enforced abstraction
barrier; that would make it easier to support the same thing,
consistently, on other targets. Anyway, an example for MDI will
be almost as useful in practice.
--
Daniel Jacobowitz
CodeSourcery