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diff --git a/docs/04_Developer_Guides/02_AGL_Layers/01_Overview.md b/docs/04_Developer_Guides/02_AGL_Layers/01_Overview.md new file mode 100644 index 0000000..dec8054 --- /dev/null +++ b/docs/04_Developer_Guides/02_AGL_Layers/01_Overview.md @@ -0,0 +1,25 @@ +--- +title: Overview +--- + +The [AGL Project](https://www.automotivelinux.org/) is an automotive-specific +development environment that provides a Linux distribution +([AGL UCB](https://www.automotivelinux.org/software/unified-code-base)). + +AGL uses layers designed to be compatible with the +[Yocto Project](https://www.yoctoproject.org) and the +[OpenEmbedded Project (OE)](https://www.openembedded.org/wiki/Main_Page). + +This section provides information about the layers used by the AGL Project: + +* **`meta-agl`**: Minimal set of software needed to create an AGL distribution + used to boot a system. + AGL profiles are built on top of this minimal set of software. + +* **`meta-agl-demo`**: Provides a reference or demo platform and applications + for the AGL Distribution. + The reference UI is part of the `meta-agl-demo` layer. + +* **`meta-agl-devel`**: Contains components under development or being tested. + This layer also contains software packages that OEMs need but do not exist + in AGL. diff --git a/docs/04_Developer_Guides/02_AGL_Layers/02_meta_agl.md b/docs/04_Developer_Guides/02_AGL_Layers/02_meta_agl.md new file mode 100644 index 0000000..1ac45a6 --- /dev/null +++ b/docs/04_Developer_Guides/02_AGL_Layers/02_meta_agl.md @@ -0,0 +1,124 @@ +--- +title: meta-agl +--- + +## Introduction + +The `meta-agl` layer provides the minimal set of software +to boot an AGL Distribution system. +You use this layer as the minimal core on which to build AGL profiles. + +**NOTE:** The `meta-agl` layer does not include a reference UI. + The reference UI is included as part of the + [`meta-agl-demo`](3_meta-agl-demo.md) layer. + Furthermore, `meta-agl` does not include additional components, such + as security, which are part of the + `meta-agl-extra` layer. + +## Sub-Layers + +The `meta-agl` layer itself contains many sub-layers and files. +Following is a "tree" look at the layer: + +``` +. +├── docs +├── meta-agl +├── meta-agl-bsp +├── meta-agl-distro +├── meta-agl-profile-cluster +├── meta-agl-profile-cluster-qt5 +├── meta-agl-profile-core +├── meta-agl-profile-graphical +├── meta-agl-profile-graphical-html5 +├── meta-agl-profile-graphical-qt5 +├── meta-agl-profile-hud +├── meta-agl-profile-telematics +├── meta-app-framework +├── meta-netboot +├── meta-security +├── README-AGL.md +├── README.md +├── scripts +├── templates +``` + +This list provides some overview information on the files and sub-layers +in `meta-agl`: + +* `docs`: Contains files that support AGL documentation. +* `meta-agl`: Contains layer configuration for the `meta-agl` layer. +* `meta-agl-bsp`: Contains adaptations for recipes and required packages + to boot an AGL distribution on targeted hardware and emulation (i.e. QEMU). +* `meta-agl-distro`: Contains distro configuration and supporting scripts. +* `meta-agl-profile-cluster`: The middleware for the AGL cluster profile. + The set of packages required for AGL Cluster Distribution. + Profiles include support for Wayland images. +* `meta-agl-profile-cluster-qt5`: The middleware for the AGL Qt5-based cluster profile. + The set of packages required for AGL Qt5-based Cluster Distribution. + Profiles include support for Wayland images with Qt5. +* `meta-agl-profile-core`: Configuration and recipes for the AGL core profiles. +* `meta-agl-profile-graphical`: Configuration and recipes supporting graphical user + interfaces. +* `meta-agl-profile-graphical-html5`: Configuration and recipes supporting profiles + with HTML user interface support. +* `meta-agl-profile-graphical-qt5`: Configuration and recipes supporting profiles + with Qt5-based user interface support. +* `meta-agl-profile-hud`: Configuration and recipes supporting profiles with + Head-Up-Display (HUD) support. +* `meta-agl-profile-telematics`: Configuration and recipes supporting profiles with + telematics support. +* `meta-app-framework`: Configuration and recipes supporting the AGL Application + Framework. +* `meta-netboot`: Contains recipes and configuration adjustments to allow network + boot through network block device (NBD) since network file system (NFS) does not + support security labels. +* `meta-security`: Configuration and recipes supporting security applications. +* `scripts`: AGL development setup and support scripts. +* `templates`: Base, feature, and machine templates used in the AGL development + environment. + +## Packagegroups + +This section describes the AGL +[packagegroup](https://yoctoproject.org/docs/3.1.4/dev-manual/dev-manual.html#usingpoky-extend-customimage-customtasks) +design: + +* packagegroup-agl-image-minimal + + packagegroup-agl-core-automotive.bb + packagegroup-agl-core-connectivity.bb + packagegroup-agl-core-graphics.bb + packagegroup-agl-core-kernel.bb + packagegroup-agl-core-multimedia.bb + packagegroup-agl-core-navi-lbs.bb + packagegroup-agl-core-os-commonlibs.bb + packagegroup-agl-core-security.bb + packagegroup-agl-core-speech-services.bb + + The previous list of Packagegroups are used to create the `agl-image-minimal` image, + which is a small image just capable of allowing a device to boot. + + Subsystem should maintain packagegroup-agl-core-[subsystem].bb which should + hold sufficient packages to build `agl-image-minimal`. + +* packagegroup-agl-image-ivi + + packagegroup-agl-ivi-automotive.bb + packagegroup-agl-ivi-connectivity.bb + packagegroup-agl-ivi-graphics.bb + packagegroup-agl-ivi-kernel.bb + packagegroup-agl-ivi-multimedia.bb + packagegroup-agl-ivi-navi-lbs.bb + packagegroup-agl-ivi-os-commonlibs.bb + packagegroup-agl-ivi-security.bb + packagegroup-agl-ivi-speech-services.bb + + The previous list of Packagegroups are used to create the `agl-image-ivi` + image, which is a baseline image (i.e. Service Layer and Operating System + Layer defined in AGL Spec v1.0) for the AGL profiles. + +* packagegroup-agl-test.bb + + Additional tools used in QA tests (for agl-image*-qa). + diff --git a/docs/04_Developer_Guides/02_AGL_Layers/03_meta_agl_demo.md b/docs/04_Developer_Guides/02_AGL_Layers/03_meta_agl_demo.md new file mode 100644 index 0000000..c560989 --- /dev/null +++ b/docs/04_Developer_Guides/02_AGL_Layers/03_meta_agl_demo.md @@ -0,0 +1,159 @@ +--- +title: meta-agl-demo +--- + +## Introduction + +The `meta-agl-demo` layer is the reference user interface layer for the DEMO +platform of Automotive Grade Linux (AGL). +The layer provides a reference platform and applications. +The BitBake target name for the DEMO platform is `agl-demo-platform`, which is +the full DEMO platform image. + +## Layer Dependencies + +This section describes dependencies for the `meta-agl-demo` layer. +Dependencies are grouped into base, hardware, and feature dependencies. + +### Base Dependencies + +The `meta-agl-demo` layer has the following base dependencies: + +- Yocto Project Release: + + - URI: git://git.yoctoproject.org/poky + - Branch: "thud" + - Tested Revision: See the + [`default.xml`](https://github.com/leon-anavi/AGL-repo/blob/master/default.xml) + manifest file for the `AGL-repo` repository for revision information. + +- AGL `meta-agl` Layer: + + - URI: https://gerrit.automotivelinux.org/gerrit/AGL/meta-agl + - Branch: "master" + +- OpenEmbedded `meta-openembedded` Layer: + + - Branch: "thud" + - Tested Revision: See the + [`default.xml`](https://github.com/leon-anavi/AGL-repo/blob/master/default.xml) + manifest file for the `AGL-repo` repository for revision information. + + Specifically, out of `meta-openembedded`, these sub-layers are used: + + - `meta-oe` + - `meta-multimedia` + - `meta-networking` + - `meta-python` + +- Yocto Project `meta-qt5` Layer from the + [OpenEmbedded Layer Index](https://layers.openembedded.org/layerindex/branch/master/layers/): + + - URI: https://github.com/meta-qt5/meta-qt5.git + - Branch: "thud" + - Tested Revision: See the + [`default.xml`](https://github.com/leon-anavi/AGL-repo/blob/master/default.xml) + manifest file for the `AGL-repo` repository for revision information. + +### Hardware Dependencies + +Aside from the previously listed base dependencies, if you are using a +[supported Renesas board](../../0_Getting_Started/2_Building_AGL_Image/5_3_RCar_Gen_3.md) +supported Renesas board, these dependencies exist: + +- AGL's `meta-renesas` Layer: + + - URI: https://gerrit.automotivelinux.org/gerrit/AGL/meta-renesas + +### Feature Dependencies + +The `meta-agl-demo` layer has the following AGL [feature](../../0_Getting_Started/2_Building_AGL_Image/3_Initializing_Your_Build_Environment.md#agl-features) +dependencies: + +- Yocto Project `meta-security` Layer: + + - URI: https://git.yoctoproject.org/cgit/cgit.cgi/meta-security + - Branch: "master" + - Tested Revision: See the + [`default.xml`](https://github.com/leon-anavi/AGL-repo/blob/master/default.xml) + manifest file for the `AGL-repo` repository for revision information. + +- AGL's `meta-app-framework` Layer within the `meta-agl` Layer: + + - URI: https://gerrit.automotivelinux.org/gerrit/gitweb?p=AGL/meta-agl.git + - Branch: "master" + +**The `agl-sota` Feature:** + +- Here Technologies' `meta-updater` Layer: + + - URI: https://github.com/advancedtelematic/meta-updater/ + - Branch: "thud" + +- Here Technologies' `meta-updater-qemux86-64` Layer: + + - URI: https://github.com/advancedtelematic/meta-updater-qemux86-64/ + - Branch: "thud" + +- OpenEmbedded's `meta-openembedded` Layer: + + - URI: https://github.com/openembedded/meta-openembedded + - Branch: "thud" + - Tested Revision: See the + [`default.xml`](https://github.com/leon-anavi/AGL-repo/blob/master/default.xml) + manifest file for the `AGL-repo` repository for revision information. + + Specifically, out of `meta-openembedded`, these sub-layers are used: + + - `meta-filesystems` + - `meta-oe` + - `meta-python` + +**The `agl-netboot` Feature:** + +- AGL's `meta-netboot` Layer within the `meta-agl` Layer: + + - URI: https://gerrit.automotivelinux.org/gerrit/gitweb?p=AGL/meta-agl.git + - Branch: "master" + + +## Packagegroups + +AGL DEMO Platform's [packagegroups](https://www.yoctoproject.org/docs/3.1.4/dev-manual/dev-manual.html#usingpoky-extend-customimage-customtasks) +consist of the following: + +- packagegroup-agl-demo-platform + + This packagegroup is used for generating the `agl-demo-platform` image, + which is the full image for the AGL distributions IVI profile. You can see the + recipe (i.e. `agl-demo-platform.bb`) that installs the + `packagegroup-agl-demo-platform` packagegroup [here](https://git.automotivelinux.org/AGL/meta-agl-demo/tree/recipes-platform/images/agl-demo-platform.bb). + + As meta-agl's design of packagegroups, the `agl-demo-platform.bb` recipe installs + only `packagegroup-agl-demo-platform` and the packages of the DEMO applications. + + ``agl-demo-platform`` contains the following three packagegroups: + + * `packagegroup-agl-image-minimal` + * `packagegroup-agl-image-ivi` + * `packagegroup-agl-demo-platform` + +- packagegroup-agl-appfw* + + These packagegroups contain packages for the AGL distribution's + Application Framework. Subsystem should maintain + `packagegroup-agl-appfw-[subsystem].bb`, which should hold sufficient packages + for the Application Framework. + + Subsystems also can maintain their own packagegroups using appropriate + `recipes-*/`. + + For example, Qt5 has two packagegroups in `meta-agl-demo`: + `packagegroup-agl-appfw-native-qt5` and `packagegroup-agl-demo-qt-examples`, + which are under `recipes-qt/`. + + The `packagegroup-agl-appfw-native-qt5` is included by `packagegroup-agl-appfw-native` because Qt5 belongs to native application framework of AGL Distro. + + Because the `packagegroup-agl-demo-qt-examples` is not mandatory for the AGL + Application Framework and the AGL DEMO, the packagegroup is added to the layer's + `local.conf` file only when needed.
\ No newline at end of file diff --git a/docs/04_Developer_Guides/02_AGL_Layers/04_meta_agl_devel.md b/docs/04_Developer_Guides/02_AGL_Layers/04_meta_agl_devel.md new file mode 100644 index 0000000..d662ed5 --- /dev/null +++ b/docs/04_Developer_Guides/02_AGL_Layers/04_meta_agl_devel.md @@ -0,0 +1,143 @@ +--- +title: meta-agl-devel +--- + +## Introduction + +The `meta-agl-devel` layer contains components that are being tested or +still in development. +The layer also contains software packages that Original Equipment +Manufacturers (OEMs) need but are not included in the AGL software. + +## Sub-Layers + +The `meta-agl-devel` layer contains the following files and sub-layers: + +``` +. +├── meta-agl-telemetry +├── meta-audio-4a-framework +├── meta-audio-soundmanager-framework +├── meta-egvirt +├── meta-gstrecorder-rcar-gen3 +├── meta-hmi-framework +├── meta-oem-extra-libs +├── README.md +├── templates +``` + +The following list provides a summary of these sub-layers: + +* `meta-agl-telemetry`: Provides the smallest AGL image. + The image is designed to be used when a device requires restricted + scope of responsibilites (e.g. collecting vehicle telemetry). + +* `meta-audio-4a-framework`: A collection of recipes used for the + first integration of 4A (i.e. Advanced AGL Audio Architecture). + +* `meta-pipewire`: A collection of recipes used for the integration + of the pipewire sound system. + +* `meta-audio-soundmanager-framework`: Supports the Soundmanager + Audio Framework features, which maps to the `agl-audio-soundmanager-framework` + AGL feature. + +* `meta-egvirt`: The AGL Virtualization Expert Group (EG-VIRT) layer. + This layer supports the design, test, implementation, and assessment + of virtualization technologies (e.g. containers, hypervisors, system + partitioners, and so forth) aimed at AGL ARMv8 and Intel platforms. + +* `meta-gstrecorder-rcar-gen3`: Supports streaming audio and video for + the Pro and Premier board kits (e.g. + [Renesas R-Car Starter Kit Pro Board](https://www.elinux.org/R-Car/Boards/M3SK) + and + [Renesas R-Car Starter Kit Premier Board](https://www.elinux.org/R-Car/Boards/H3SK)). + +* `meta-hmi-framework`: Provides AGL's Human Machine Interface (HMI) framework + through resource management consisting of sounds, windows, and input control. + For more information, see the + [HMI-Framework Page](https://wiki.automotivelinux.org/hmiframework) of the + AGL Wiki. + +* `meta-oem-extra-libs`: Provides libraries and software packages needed by + OEMs but not provided by the AGL software. + +* `templates`: Feature templates that support the `meta-agl-devel` layer. + +## Additional Sub-Layer Information + +This section provides additional information for the `meta-egvirt`, +`meta-oem-extra-libs`, and `meta-hmi-framework` layers. + +### Virtualization Support + +The `meta-egvirt` layer enables virtualization support in AGL. +The AGL Virtualization Expert (EG-VIRT) group is responsible +for design and implementation of AGL virtualization solutions +(.e.g the Virtualization platform architecture of AGL). +You can read about EG-VERT's efforts on the +"[Virtualization Expert Group's](https://wiki.automotivelinux.org/eg-virt)" +page of the AGL wiki. + +Additionally, you can learn more about virtualization as it applies to AGL +by reading +"[The Automotive Grade Linux Software Defined Connected Car Architecture](https://www.automotivelinux.org/wp-content/uploads/sites/4/2018/06/agl_software_defined_car_jun18.pdf)" +whitepaper. + +### OEM Extra Libraries + +The `meta-oem-extra-libs` layer provides additional software packages many OEMs need +but are not part of the AGL source. +Following is the list of packages this layer provides: + + * boost + * fixesproto + * imagemagick + * iptables + * Xorg-macros + * zlib + * eglibc = glibc + * libcurl + * libgif + * libneon + * mongoose + * fuse + * protocol buffers + * bsdiff + * module-init-tools + * libcroco + * libtiff + * librsvg + * libpcap + +To add these packages to your library, you need to include the +`agl-oem-extra-libs` AGL feature when you initialize your build +environment using the `aglsetup.sh` script. + +For information on how to use the `aglsetup.sh` script to initialize +your build environment, see the +"[Initializing Your Build Environment](../../01_Getting_Started/02_Building_AGL_Image/04_Initializing_Your_Build_Environment.md)" +section. + +Once you have included the AGL feature, you can build your image. + +### HMI Framework + +The `meta-hmi-framework` layer supports the Human-Machine Interface (HMI) Framework. +The HMI-Framework is the User Interface (UI) to control the Infotainment System. +Work continues to close the gap between the user experience of a smart phone +and the Infotainment System in a vehicle, for example. + +You can find more out about HMI Framework progress on the +"[HMI Framework](https://wiki.automotivelinux.org/hmiframework)" page on the AGL Wiki. + +To add HMI Framework support to your image, you need to include the +`hmi-framework` AGL feature when you initialize your build +environment using the `aglsetup.sh` script. + +For information on how to use the `aglsetup.sh` script to initialize +your build environment, see the +"[Initializing Your Build Environment](../../01_Getting_Started/02_Building_AGL_Image/04_Initializing_Your_Build_Environment.md)" +section. + +Once you have included the AGL feature, you can build your image. |