On Wed, Oct 30 2024, Rasmus Villemoes <r...@prevas.dk> wrote: > Doing bringup of a board, part of my bootstrap logic is in U-Boot. So > when tweaking that logic, I was bitten by a previous completed > bootstrap having left a copy of the environment on the device, which > was imported and thus overrided the new logic. > > So I thought, "ok, I'll just make sure to put 'env default -a' as the > first part of the bootstrap logic so I'm not bitten again". Alas, my > logic also relies on certain variables that are set by C code > (e.g. for detecting board variant), and doing 'env default -a' also > eliminates those. > > Looking around, the hashtab code already supports a flag that does > exactly what I need, and exposing that is (morally) a one-liner. >
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