I'm a bit confused about how the LZ4 compression works. Who is doing the decompression? romstage or is it sort of done in place? Then caching becomes something to think about (cbmem is uncached there).

I'm confused because with the work on trying to get non-XIP stages to work, it complained about romstage with the .bss and .data (not sure which one) being too small (probably .car.data discarted by cbfstool -S). But it still complained about .bss for compressing romstage.

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