{"type":"doc","content":[{"type":"extension","attrs":{"layout":"default","extensionType":"com.atlassian.confluence.macro.core","extensionKey":"toc","parameters":{"macroParams":{},"macroMetadata":{"macroId":{"value":"8a35f938-0f76-4105-ba8c-45fa5002090c"},"schemaVersion":{"value":"1"},"title":"Table of Contents"}},"localId":"174136b4-53f6-4767-86ed-420528e21a2f"}},{"type":"heading","attrs":{"level":2},"content":[{"text":"Yocto Images","type":"text"}]},{"type":"table","attrs":{"layout":"default","localId":"ffe802cc-d9f1-470d-be87-0c92e0a85c94"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"background":"#eeeeee","rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"Date","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"background":"#eeeeee","rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"background":"#eeeeee","rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"Download","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"17.09.2021","type":"text"}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"Yocto Hardknott with 5.10.9 kernel, weston and chromium","type":"text"}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"tr8mini-ipant7-yocto_hardknott_weston_chromium-20210917.imz","type":"text","marks":[{"type":"link","attrs":{"href":"https://secostorage.blob.core.windows.net/seco-ne-public/ARM-COM/Yocto/IMG/tr8mini-ipant7-yocto_hardknott_weston_chromium-20210917.imz"}}]},{"text":",","type":"text"},{"type":"hardBreak"},{"text":"tr8mini-sbcsom-yocto_hardknott_weston_chromium-20210917.imz","type":"text","marks":[{"type":"link","attrs":{"href":"https://secostorage.blob.core.windows.net/seco-ne-public/ARM-COM/Yocto/IMG/tr8mini-sbcsom-yocto_hardknott_weston_chromium-20210917.imz"}}]}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"07.06.2022","type":"text"}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"Yocto Hardknott with kernel 5.10.9 for Trizeps8plus, weston, Qt5, several demos by NXP and device trees for several baseboards and displays","type":"text"}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"tr8plus-yocto_hardknott_full-20220607.imz","type":"text","marks":[{"type":"link","attrs":{"href":"https://secostorage.blob.core.windows.net/seco-ne-public/ARM-COM/Yocto/IMG/tr8plus-yocto_hardknott_full-20220607.imz"}}]}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"28.09.2022","type":"text"}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"Yocto Hardknott with 5.10.9 kernel, weston and chromium for iPanT7 V2","type":"text"}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[226.67]},"content":[{"type":"paragraph","content":[{"text":"tr8mini-ipant7-yocto_hardknott_weston_chromium-20220928.imz","type":"text","marks":[{"type":"link","attrs":{"href":"https://secostorage.blob.core.windows.net/seco-ne-public/ARM-COM/Yocto/IMG/tr8mini-ipant7-yocto_hardknott_weston_chromium-20220928.imz"}}]}]}]}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Setting up Hardknott","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Getting Hardknott","type":"text"}]},{"type":"paragraph","content":[{"text":"First you have to fetch Hardknott:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ mkdir \n$ cd \n$ repo init -u https://source.codeaurora.org/external/imx/imx-manifest -b imx-linux-hardknott -m imx-5.10.35-2.0.0.xml\n$ repo sync","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Example","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ mkdir imx-linux-hardknott\n$ cd imx-linux-hardknott\n$ repo init -u https://source.codeaurora.org/external/imx/imx-manifest -b imx-linux-hardknott -m imx-5.10.35-2.0.0.xml\n$ repo sync","type":"text"}]},{"type":"paragraph","content":[{"text":"This will download Hardknott to the directory ","type":"text"},{"text":"imx-linux-hardknott","type":"text","marks":[{"type":"code"}]},{"text":". All recipes and config files will be stored under the subdirectory ","type":"text"},{"text":"sources","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Creating the build-tree","type":"text"}]},{"type":"paragraph","content":[{"text":"Next you have to create a directory structure for your build:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ MACHINE= DISTRO= ./imx-setup-release.sh -b ","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Example","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ MACHINE=imx8mm-lpddr4-evk DISTRO=fsl-imx-xwayland source ./imx-setup-release.sh -b build-xwayland","type":"text"}]},{"type":"paragraph","content":[{"text":"This will create a buid-tree for the machine ","type":"text"},{"text":"imx8mm-lpddr4-evk","type":"text","marks":[{"type":"code"}]},{"text":" and the distro ","type":"text"},{"text":"fsl-imx-xwayland","type":"text","marks":[{"type":"code"}]},{"text":" in the subdirectory ","type":"text"},{"text":"build-xwayland","type":"text","marks":[{"type":"code"}]},{"text":". It will also setup the environment for your build. You can setup the environment any time without creating the whole directory-structure by:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ cd \n$ . setup-environment ","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Example","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ cd /srv/YOCTO/imx-linux-hardknott\n$ . setup-environment build-xwayland","type":"text"}]},{"type":"paragraph","content":[{"text":"Machines are defined in configuration files named ","type":"text"},{"text":".conf","type":"text","marks":[{"type":"code"}]},{"text":" inside directories named ","type":"text"},{"text":"conf/machine","type":"text","marks":[{"type":"code"}]},{"text":" of some layers. To find out wich machines are supported you can do:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ find sources -type d -name machine -exec ls '{}' \\;","type":"text"}]},{"type":"paragraph","content":[{"text":"Also distros are defined in subdirectories named ","type":"text"},{"text":"conf/distro","type":"text","marks":[{"type":"code"}]},{"text":" of some layers. To find out which distros are available do:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ find sources -type d -name distro -exec ls '{}' \\;","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Building an image","type":"text"}]},{"type":"paragraph","content":[{"text":"To build an image enter the Yocto-directory, setup the environtent and start ","type":"text"},{"text":"bitbake","type":"text","marks":[{"type":"code"}]},{"text":" with the basename of the image-recipe to build:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ cd /srv/YOCTO/imx-linux-hardknott\n$ . setup-environment build-xwayland\n$ bitbake imx-image-multimedia","type":"text"}]},{"type":"paragraph","content":[{"text":"This will build the image ","type":"text"},{"text":"imx-image-multimedia","type":"text","marks":[{"type":"code"}]},{"text":" of the distro ","type":"text"},{"text":"build-xwayland","type":"text","marks":[{"type":"code"}]},{"text":" for the machine ","type":"text"},{"text":"imx8mm-lpddr4-evk","type":"text","marks":[{"type":"code"}]},{"text":" as previously configured.","type":"text"}]},{"type":"paragraph","content":[{"text":"You can also make ","type":"text"},{"text":"bitbake","type":"text","marks":[{"type":"code"}]},{"text":" execute a single task of a recipe:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ bitbake -c ","type":"text"}]},{"type":"paragraph","content":[{"text":"To find out wich tasks are provided by a recipe do:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ bitbake -c listtasks ","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Deploying an image","type":"text"}]},{"type":"paragraph","content":[{"text":"Unlike previous Yocto versions images are not longer written to raw image files, intended to be written to the target device by ","type":"text"},{"text":"dd","type":"text","marks":[{"type":"code"}]},{"text":" or something similar, but to container files in wic-format which are bz2 compressed. To create and manipulate these files and write them to a target device, there is a Yocto-provided tool called ","type":"text"},{"text":"wic","type":"text","marks":[{"type":"code"}]},{"text":". The syntax of ","type":"text"},{"text":"wic","type":"text","marks":[{"type":"code"}]},{"text":" is:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ wic [argument(s)]","type":"text"}]},{"type":"paragraph","content":[{"text":"The most importand command of wic is:","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ wic help ","type":"text"}]},{"type":"paragraph","content":[{"text":"wic","type":"text","marks":[{"type":"code"}]},{"text":" is neither able to read bz2 or otherwise compressed files, nor to read from stdin, so you have to decompress an image file before you can write it to a device using ","type":"text"},{"text":"wic","type":"text","marks":[{"type":"code"}]},{"text":":","type":"text"}]},{"type":"codeBlock","content":[{"text":"$ cd tmp/deploy/images/imx8mm-lpddr4-evk\n$ bzcat imx-image-multimedia-imx8mm-lpddr4-evk.wic.bz2 > /tmp/image.wic\n$ wic write /tmp/image.wic /dev/sdc; sync","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Kernel and bootloader","type":"text"}]},{"type":"paragraph","content":[{"text":"There are currently no Yocto recipes for Hardknott to provide kernel and bootloaders by Seco. The kernel and bootloader in the image are those by NXP. To equip your images with Seco kernel and boodloader refer to ","type":"text"},{"text":"Patch Image with Seco Linux Bootloader and Kernel","type":"text","marks":[{"type":"link","attrs":{"href":"/wiki/spaces/SECONorthTech/pages/1446215756"}}]},{"text":".","type":"text"}]},{"type":"paragraph"}],"version":1}