Rockbox General > Rockbox General Discussion

Is there a way to have standard boot-up be the stock firmware?

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Slam:
I was wondering if on a Sansa Clip Zip you can have the default boot-up be the original firmware and have Rockbox as the secondary one. Is this possible?

[Saint]:
Not really, no.

Not for an end user, at least.

It is possible, but it requires modification to the source code and recompilation - at which point, you'll be running and unsupported binary and no longer qualify for technical support (unless you can verify problematic behaviour on an official build, as well).

If you feel up to the task, myself or someone else would be happy to assist you in doing so.


[Saint]

Slam:
Yes, please! Tell me where to start.

bluebrother:
I would really suggest in not doing so. If you mess up (which can easily happen) you can end up with a player that doesn't boot at all -- you're messing with the bootloader after all. And in contrast to some other players there is no easily usable hardware fallback mechanism to recover from that.

saratoga:
http://git.rockbox.org/?p=rockbox.git;a=blob;f=rbutil/mkamsboot/dualboot/dualboot.S;h=4e4dbe5505e783ebe443aa4ab6fb4248d7277487;hb=HEAD

You'll have to edit this file and then recompile ams patcher. Note that the code is in arm assembly and if you make a mistake you will most likely destroy your player. I recommend you not do this without carefully understanding the code and perhaps getting a spare player in case you break the first one.

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