It won't damage the hardware. It may not work, but you can always put it
back the way you got it.

Gerald



On Thu, Mar 6, 2014 at 4:31 PM, <[email protected]> wrote:

> I just got my first BBB and try to study u-boot on it. I just wonder
> whether or not some bad assembly code in charge of initializing/configuring
> hardware would damage it or there are some important rules to follow in
> order to keep the board safe?
> I mean I would start from a vide start.S and add code by function like 1)
> set cpu into svc32, 2) turn off watchdog 3) configure cpu clk 4) setup
> stack pointer and clear bbs ...
>
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