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RE: Notification of changes required for CPU support
- From: "Scott Moore" <smoore at powerfile dot com>
- To: "Gary Thomas" <gary at mlbassoc dot com>
- Cc: ecos-discuss at ecos dot sourceware dot org, "Steve Gaskill" <sgaskill at powerfile dot com>
- Date: Wed, 29 Aug 2007 15:07:27 -0400
- Subject: RE: [ECOS] Notification of changes required for CPU support
>How similar are the processor(s), apart from the interrupt handling difference you've pointed out?
>My preference would be to keep the tree as it is and add a CDL option which describes the processor.
>The code you've pointed to can then have conditional support based on this CDL. Precedent for this
>would be the PowerPC (e.g. not all 8xx processors are the same, but they are close enough to have a
>common HAL) and SH (again a myriad of variants) Have a look at how those HALs handle this. Once you
>have something that works, propose it on ecos-patches and we can discuss making these changes to the
>common CVS.
Well, I don't have ecos running on the MCB2300 as yet, but the processors appear to be very
similar, and besides the interrupt changes there is only a clocking setup change. There are some
changes for the MCB2300 as well, so I suspect a different MCB2300 directory is justified.
Scott Moore
Powerfile Inc.
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