[PATCH v2 27/32] test: cedit: use allocated address for reading file

[Simon Glass]

Hi Sughosh,

On Fri, 16 Aug 2024 at 04:34, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
>
> On Fri, 16 Aug 2024 at 02:02, Simon Glass <sjg at chromium.org> wrote:
> >
> > Hi Sughosh,
> >
> > On Wed, 14 Aug 2024 at 05:02, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
> > >
> > > Instead of a randomly selected address, use an LMB allocated one for
> > > reading the file into memory. With the LMB map now being persistent
> > > and global, the address used for reading the file might be already
> > > allocated as non-overwritable, resulting in a failure. Get a valid
> > > address from LMB and then read the file to that address.
> > >
> > > Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
> > > ---
> > > Changes since V1:
> > > * Don't use the API version with flags parameter.
> > >
> > >  test/boot/cedit.c | 6 +++++-
> > >  1 file changed, 5 insertions(+), 1 deletion(-)
> > >
> >
> > No, this address needs to work fine without using lmb. Same with any
> > other tests. Tests make use of the sandbox memory space memory
> > addresses and it makes things easier to code and debug.
>
> Like I had explained earlier [1], not using the LMB API for allocating
> the address results in issues, since the load command internally
> checks if the address can be used for reading the dtb. Without this
> patch, the cmd_ut test fails. I am not sure why you do not like this
> solution. But in any case, can you propose some other solution? I
> believe I can tweak the address to some other value, but that would
> not be a proper solution, but simply kicking the can down the road.
> Thanks.

But this is why I suggested having lmb_push() and lmb_pop(), so you
should be able to use those in the few tests which have this problem.

If it becomes more widespread and affects a lot of tests, we could do
thing automatically in the test framework, but for now, that doesn't
seem necessary.

>
> -sughosh
>
> [1] - https://lists.denx.de/pipermail/u-boot/2024-July/560569.html

Regards,
Simon