[U-Boot] [RFC] xz compression for U-Boot images

Wolfgang Denk wd at denx.de
Mon Sep 9 11:39:17 UTC 2019

Dear Heinrich,

In message <845c6856-5a75-2789-18d1-a1e8f9d1f25e at gmx.de> you wrote:
> Are you aware off any prior efforts to prepend U-Boot with a
> self-extractor?

No - why add yet aother level of complexity?

> With xz a U-Boot image can be compressed by a factor of more than 2.5.
> The self-extractor would have to comprise RAM setup (if not handled by
> SPL), the decompression code, and the cache reset.

Why not adding the decompression stage into SPL, then?

Best regards,

Wolfgang Denk

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
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Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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