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RE: Possible typo inhal/arm/arm9/var/current/include/hal_cache.h
- From: "Gary D. Thomas" <gary dot thomas at mind dot be>
- To: Patrick Doyle <wpd at delcomsys dot com>
- Cc: Jonathan Larmour <jifl at eCosCentric dot com>,eCos Discussion <ecos-discuss at sources dot redhat dot com>
- Date: 07 Jan 2003 14:12:28 -0700
- Subject: RE: [ECOS] Possible typo inhal/arm/arm9/var/current/include/hal_cache.h
- References: <NFBBJAJICAKJPMMKDAGBAEFDDIAA.wpd@delcomsys.com>
On Tue, 2003-01-07 at 13:57, Patrick Doyle wrote:
> > > The board this was written for was never released publically,
>
> Watch this space for an announcement real soon about RedBoot running just
> such an OMAP5910 board!
>
> > IIRC, Jesper never got the DATA cache working on that platform
> > anyway - maybe this is why :-)
>
> > > So I'm inclined to believe it's wrong, and a patch is welcome :-).
>
>
> > > If you've got the hardware you could play around! At least to verify
> that
> > > it's wrong.
>
> Hmmm... that opens up a very interesting question, how would I "verify that
> it's wrong"? I'll have to think about a test case on the drive home tonight
> that would verify one cache line size vs. another.
>
I just added some test code to kernel/tests/kcache2.c which is
supposed to be able to check this sort of thing. You have to
enable it [by hand], but it might be useful.
> > Indeed, and then please share the results!
> But, of course!
>
> --wpd
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| Mind: Embedded Linux and eCos Development |
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| Gary Thomas email: gary.thomas@mind.be |
| Mind ( http://mind.be ) tel: +1 (970) 229-1963 |
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