use invd instead of wbinvd in real mode start code

Tom Rini
2020-02-19T13:42:31Z

On Wed, Feb 19, 2020 at 02:14:31PM +0100, Wolfgang Denk wrote:
> Dear Heiko,
>
> In message <7d480cee-88aa-f4e3-7e3d-8740bbdcc224@denx.de> you wrote:
> >
> > > How the feed back line is organized? I mean how host system will know that
> > > a) we done flash correctly?
> > > b) the booted image is bad or good?
> >
> > For both questions the answer is, that you need to write a testcase
> > which answer this question.
> >
> > For a) you flash the image in some way through U-Boot commands. You
> > start this commands from a tbot testcase written in python and parse
> > the output and/or return code of the command and than decide ...
> >
> > Same for b) reboot the board, check if new version is installed
> > by parsing the U-Boot bootlog, than start U-Boot commands to find
> > out, if current installed version is good or bad.
>
> Maybe it would be nice for people who don't know tbot if you could
> link to some examples for such testcases? I think this should even
> be covered in the tbot docs?

The tbot docs should cover things like running test/py and specifying
testcases so you don't have to write things like "is the board alive?"
from scratch :)

--
Tom
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