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-rw-r--r--docs/03_AGL_Layers/01_Overview.md25
-rw-r--r--docs/03_AGL_Layers/02_meta_agl.md113
-rw-r--r--docs/03_AGL_Layers/03_meta_agl_demo.md92
-rw-r--r--docs/03_AGL_Layers/04_meta_agl_devel.md55
-rw-r--r--docs/03_AGL_Layers/05_conf_notes.md36
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diff --git a/docs/03_AGL_Layers/01_Overview.md b/docs/03_AGL_Layers/01_Overview.md
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+---
+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/03_AGL_Layers/02_meta_agl.md b/docs/03_AGL_Layers/02_meta_agl.md
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+---
+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`](03_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:
+
+```
+.
+├── LICENSE
+├── LICENSE.GPL-2.0-only
+├── LICENSE.MIT
+├── README-AGL.md
+├── README.md -> meta-agl.md
+├── agl-layers-overview.md
+├── docs
+├── meta-agl-bsp
+├── meta-agl-core
+├── meta-agl-core-test
+├── meta-agl-ic
+├── meta-agl-ivi
+├── meta-agl.md
+├── meta-netboot
+├── meta-pipewire
+├── scripts
+├── templates
+```
+
+This list provides some overview information on the files and sub-layers
+in `meta-agl`:
+
+* LICENSE* : licenses of the various components.
+* README* : RTFM
+* agl-layers-overview.md: references to the various layers that make up AGL
+* `docs`: Contains files that support AGL documentation.
+* `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-core`: This is the core layer with essential recipes and the distro.
+* `meta-agl-core-test`: recipes supporting qa images (separate layer due to external dependencies)
+* `meta-agl-ic`: Instrument Cluster platform
+* `meta-agl-ivi`: IVI platform
+* `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-pipewire`: Configuration and recipes supporting pipewire as audio manager
+* `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://docs.yoctoproject.org/dev-manual/common-tasks.html#customizing-images-using-custom-package-groups)
+design:
+
+### core non-ui packagegroups
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-core-connectivity.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-core-devel.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-core-security.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-core-os-commonlibs.bb
+
+### graphical subsystem
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-profile-graphical.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-graphical-multimedia.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-graphical-weston.bb
+
+### image-related packagegroups
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-core-boot.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-image-boot.bb
+* meta-agl-core/recipes-platform/packagegroups/packagegroup-agl-image-minimal.bb
+
+### QA/Test related packagegroups
+* meta-agl-core-test/recipes-test/packagegroups
+* meta-agl-core-test/recipes-test/packagegroups/packagegroup-agl-test.bb
+
+## Images
+
+### (Barely) bootable image
+* meta-agl-core/recipes-platform/images/agl-image-boot.bb
+
+### minimal image and SDK (console)
+* meta-agl-core/recipes-platform/images/agl-image-minimal.bb
+* meta-agl-core/recipes-platform/images/agl-image-minimal-crosssdk.bb
+
+### weston-based image for re-use
+* meta-agl-core/recipes-platform/images/agl-image-weston.bb
+
+### image for use in the YP autobuilder
+* meta-agl-core/recipes-platform/images/agl-image-core-autobuilder.bb
+
+### image with extra QA tooling (e.g. to run LTP)
+* meta-agl-core-test/images/agl-image-minimal-qa.bb
+
+
+
+**Note:** For update details on this page please refer
+
+<https://git.automotivelinux.org/AGL/meta-agl/tree/meta-agl.md>
diff --git a/docs/03_AGL_Layers/03_meta_agl_demo.md b/docs/03_AGL_Layers/03_meta_agl_demo.md
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+---
+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-ivi-demo-qt`, 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: "kirkstone"
+ - 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:
+
+ 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
+
+### Feature Dependencies
+
+The `meta-agl-demo` layer has the following AGL [feature](../../01_Getting_Started/02_Building_AGL_Image/04_Initializing_Your_Build_Environment.md/#agl-features)
+dependencies:
+
+- Yocto Project `meta-security` Layer:
+
+- OpenEmbedded's `meta-openembedded` Layer:
+
+ - URI: https://github.com/openembedded/meta-openembedded
+ - Branch: "kirkstone"
+ - 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"
+
+## Maintenance
+
+All patches must be submitted via the AGL Gerrit instance at
+<https://gerrit.automotivelinux.org>. See this wiki page for
+details:
+
+<https://wiki.automotivelinux.org/agl-distro/contributing>
+
+Layer maintainers:
+
+* Jan-Simon Möller <jsmoeller@linuxfoundation.org>
+
+
+**Note:** For update details on this page please refer
+
+<https://git.automotivelinux.org/AGL/meta-agl-demo/tree/meta-agl-demo.md>
diff --git a/docs/03_AGL_Layers/04_meta_agl_devel.md b/docs/03_AGL_Layers/04_meta_agl_devel.md
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+---
+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:
+
+```
+.
+├── docs
+├── LICENSE
+├── LICENSE.GPL-2.0-only
+├── LICENSE.MIT
+├── meta-agl-devel.md
+├── meta-agl-jailhouse
+├── meta-agl-lxc
+├── meta-agl-ros2
+├── meta-oem-production-readiness
+├── meta-offline-voice-agent
+├── README.md
+└── templates
+```
+
+The following list provides a summary of these sub-layers:
+
+* `meta-offline-voice-agent`: Provides libraries and software packages needed
+ for voice recognition, intent extraction, and voice command execution.
+
+* `meta-agl-jailhouse`: Provides Jailhouse partitioning hypervisor and
+ supporting packages.
+
+* `meta-agl-lxc`: Provides LXC container support and example images.
+
+* `meta-agl-ros2`: Provides ROS2 and additional YDLIDAR support.
+
+* `meta-oem-production-readiness`: Provides libraries and software packages of
+ IVI product readiness
+
+* `meta-agl-flutter`: Provides Flutter support.
+
+* `templates`: Feature templates that support the `meta-agl-devel` layer.
+
+
+
+**Note:** For update details on this page please refer
+
+<https://git.automotivelinux.org/AGL/meta-agl-devel/tree/meta-agl-devel.md>
diff --git a/docs/03_AGL_Layers/05_conf_notes.md b/docs/03_AGL_Layers/05_conf_notes.md
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+---
+title: conf-notes
+---
+
+```
+Common targets are:
+- meta-agl layer:
+ - included by default
+ * agl-image-boot (just enough to boot)
+ * agl-image-minimal (minimal filesystem with APIs)
+ * agl-image-minimal-crosssdk (crosssdk for ^^)
+
+ * agl-image-weston (minimal filesystem with weston)
+ * agl-image-compositor (minimal filesystem with AGL compositor)
+
+- meta-agl-demo: (IVI demo with UI)
+ - with 'agl-demo'
+ * agl-ivi-image (base for IVI targets)
+ * agl-ivi-image-crosssdk (sdk for ^^)
+
+ * agl-ivi-demo-qt (IVI Qt demo image)
+ * agl-ivi-demo-qt-crosssdk (sdk for ^^)
+ * agl-ivi-demo-flutter (IVI Flutter demo image)
+ * agl-ivi-demo-html5 (IVI HTML5 demo image)
+
+ * agl-cluster-demo-qt (cluster Qt demo image)
+ * agl-cluster-demo-flutter (cluster Flutter demo image)
+
+ * agl-telematics-demo (telematics demo image)
+
+ * agl-gateway-demo (gateway demo image)
+```
+
+**Note:** For update details on this page please refer
+
+<https://git.automotivelinux.org/AGL/meta-agl/tree/templates/base/conf-notes.txt>