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<dormito>
you have network access? can you boot into a higher level OS (e.g. maybe a n initrd-only linux) and dump it that way? if so that's probably be the fastest/least-painful
<shadows>
dormito: this is forensic/archival workflow, so ... booting the eMMC changes its content, which is not the goal
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<shadows>
maybe I could boot from an initrd and such...
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<shadows>
I don't see any way to know from a script what the block count is of the mmc device, besides iterating through and looking for success/failure on the read operation. So, that's why I have a divide-and-conquer approach.
<shadows>
it's working, I just wish it was less clunky
<shadows>
'mw.b' seems to loop forever if out-of-bounds
<shadows>
I guess that makes sense
<shadows>
I'm attempting to add a check for the first zero-data chunk of copied data from eMMC; so write zeroes to some span of memory and compare against the data chunk that was read from mmc
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<dormito>
shadows: ah. yeah sorry, I meant to say "boot a kernel+initrd over the network".
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<shadows>
dormito: thanks. It is not needed, method I have now is working well enough; however where is the convention of $kernel_addr_r and $loadaddr written about, with regard to where they are in memory and is there a guarantee about how big the span is or what is the available span ?
<shadows>
I have this working for me, but to make something published as advice for others I would want to make it more robust and easier to use