[U-Boot] [PATCH PATCH v4 04/15] spl: fit: allocate a temporary buffer to load the overlays

Simon Glass sjg at chromium.org
Tue Sep 17 05:48:10 UTC 2019

Hi Jean-Jacques,

On Wed, 11 Sep 2019 at 06:32, Jean-Jacques Hiblot <jjhiblot at ti.com> wrote:
> Hi Simon,
> On 13/08/2019 11:33, Simon Glass wrote:
> > Hi Jean-Jacques,
> >
> > On Mon, 5 Aug 2019 at 03:44, Jean-Jacques Hiblot <jjhiblot at ti.com> wrote:
> >> If the node describing an overlay does not specify a load address, it will
> >> be loaded at the address previously used.
> >> Fixing it by allocating a temporary 64kB region that will be used as a
> >> default load address.
> > How did you come to decide on 64KB? Might this be too large or too small?
> It seemed big enough to me to accommodate a DTB overlay.
> There is no easy way to know how big the buffer must be without reading
> it first because it can be compressed.

You should be able to check the header to see the uncompressed size.


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