[OE-core] [RFC oe-core] mkcard: Add a script to parition and format an SD Card

[Koen Kooi]

Op 30 aug. 2011, om 18:46 heeft Jason Kridner het volgende geschreven:

> On Mon, Aug 29, 2011 at 7:08 PM, Joel A Fernandes <agnel.joel at gmail.com> wrote:
>> On Mon, Aug 29, 2011 at 4:03 PM, Jason Kridner <jkridner at beagleboard.org> wrote:
>>>>>> 
>>>>>> This script is BSP specific and shouldn't live in the OE-core layer.
>>>>> 
>>>>> The only issue is this script is used from within the IMAGE_CMD_sdimg
>>>>> code which lives in OE-core (meta/classes/image_types.
>>>> 
>>>> classes shouldn't be calling external scripts
>>>> 
>>> 
>>> Is the right approach to add parameters to the IMAGE_CMD_sdimg class
>>> such that it can be used generically to produce SD card images,
>>> instead of trying to move this to meta-ti?  Should it perhaps be a bit
>>> closer to what is being done by the Linaro image tools [1]?
>>> 
>>> [1] https://wiki.linaro.org/Source/ImageBuilding
>>> 
>> 
>> Don't the Linaro scripts need to run on the target?
> 
> No.
> 
>> Does it fit well
>> with OE(-core) ?
> 
> I don't know, but I hoped that others would comment to help figure it
> out.  I think it is a common challenge not just for ARM architectures.
> I'm not sure if the approach is general enough or not, but it does go
> beyond the BeagleBoard.
> 
> My primary concerns about leaving it in the BSP are:
> 1) that there is some room for non-BeagleBoard specific optimizations
> to the card layout and
> 2) there may be improvements to the tools that make it easier to
> create images for systems with different boot requirements.
> 
> Also, I think we might want to move to an ext3 partition only in the
> future or other such layout optimizations.  I'd like that to be
> something that can be parameterized by the BSP.

I think you're missing the point:

The *script* needs to go into the BSP, you are free to extend the bbclasses with code to deal with sd cards internally in OE-core.


> 
>> 
>> I took lot of pain to write it for OE and its almost done, so suggest
>> we use my method atleast for a few days ;-)
>> 
>> Thanks
>> Joel
>> 
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> 
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