From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Wed, 19 Feb 2020 14:14:31 +0100 Subject: use invd instead of wbinvd in real mode start code In-Reply-To: <7d480cee-88aa-f4e3-7e3d-8740bbdcc224@denx.de> References: <20200217150929.95930240036@gemini.denx.de> <20200217160405.97C2C240036@gemini.denx.de> <7d480cee-88aa-f4e3-7e3d-8740bbdcc224@denx.de> Message-ID: <20200219131431.C826B240036@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de If ignorance is bliss, why aren't there more happy people?