Brad Beveridge wrote:

>Edward J. Lee(ÀÌÀå¿ø) wrote:
>
>  
>
>>Hello,
>>I'm using yaffs on a SAMSUNG 16MB flash chip.
>>
>>I've just heard that there is a device that can 'mass produce'
>>programmed NAND chips, and just needs a 'bin' file.
>>
>>The machine has abilities to
>>- write OOB data (which is included in the bin file),
>>- check and skip bad blocks
>>
>>I guess it will work just fine for the parts that are written
>>sequentially in raw binary, but I'm not sure about the yaffs part.
>>So my question is :
>>'can a binary image of yaffs be extracted, and is it able to be dumped
>>on a different NAND chip (same model, of course), just by writing the
>>bin contents
>>sequentially (skipping bad blocks)?'
>>
>>Thanks in advance.
>>
>>
>>Regards,
>>Ed
>>
>>_______________________________________________
>> 
>>
>>    
>>
>Yes. Yaffs doesn't care about block order. You could place blocks from
>one nand chip running yaffs, to another chip (as long as the page &
>block sizes are the same) in any order that you like, and Yaffs will
>scan and run fine. The only exception to this is that block 0 should not
>be used, because for each yaffs partition block zero is reserved.
>
>Brad
>
>
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>
>  
>
Hello, Brad,
Wow, great. thx a lot.
then here comes another question :
'How can a binary image of yaffs be obtained?'
Should I hexdump the whole partition and search for blocks
that seem dirty? Dumping the device wouldn't be hard,
but the deciding of 'clean or dirty': I'm not sure how.