switched to minimalistic dev distro

build/conf/bblayers.conf

@@ -11,6 +11,8 @@ BBLAYERS ?= " \
   /home/yocto/ws/poky/meta-yocto-bsp \
   /home/yocto/ws/layers/meta-arm/meta-arm \
   /home/yocto/ws/layers/meta-arm/meta-arm-toolchain \
+  /home/yocto/ws/layers/meta-devdistro \
+  /home/yocto/ws/layers/meta-openembedded/meta-oe \
   /home/yocto/ws/layers/meta-ti/meta-beagle \
   /home/yocto/ws/layers/meta-ti/meta-ti-bsp \
   /home/yocto/ws/layers/meta-ti/meta-ti-extras \

build/conf/local.conf

@@ -36,7 +36,9 @@
 #MACHINE ?= "genericx86-64"
 #
 # This sets the default machine to be qemux86-64 if no other machine is selected:
-MACHINE ??= "beagleplay"
+MACHINE = "beagleplay"
+KERNEL_DEVICETREE = "k3-am625-beagleplay.dtb"
+PREFERRED_PROVIDER_virtual/bootloader = "u-boot-ti-staging"
 
 # These are some of the more commonly used values. Looking at the files in the
 # meta/conf/machine directory, or the conf/machine directory of any additional layers
@@ -91,7 +93,7 @@ MACHINE ??= "beagleplay"
 # Ultimately when creating custom policy, people will likely end up subclassing 
 # these defaults.
 #
-DISTRO ?= "poky"
+DISTRO ?= "devdistro"
 # As an example of a subclass there is a "bleeding" edge policy configuration
 # where many versions are set to the absolute latest code from the upstream 
 # source control systems. This is just mentioned here as an example, its not
@@ -147,7 +149,6 @@ DISTRO ?= "poky"
 # meta/classes-recipe/core-image.bbclass for more details.
 # We default to enabling the debugging tweaks.
 EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
-IMAGE_INSTALL:append = " vim apt"
 
 #
 # Additional image features

layers/meta-devdistro/conf/distro/devdistro.conf

@@ -0,0 +1,33 @@
+DISTRO = "devdistro"
+DISTRO_NAME = "Custom Headless Distro for development"
+DISTRO_VERSION = "1.0"
+
+PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot"
+
+# Use systemd (recommended for networking & ssh)
+DISTRO_FEATURES:append = "\
+    systemd \
+    usrmerge \
+    ipv4 \
+    ipv6 \
+"
+
+VIRTUAL-RUNTIME_init_manager = "systemd"
+VIRTUAL-RUNTIME_initscripts = ""
+DISTRO_FEATURES_BACKFILL_CONSIDERED += "sysvinit"
+
+# Explicitly remove graphics
+DISTRO_FEATURES:remove = "\
+    x11 \
+    wayland \
+    opengl \
+    directfb \
+"
+
+# No display-related features
+DISTRO_FEATURES_BACKFILL_CONSIDERED += "\
+    x11 wayland opengl directfb \
+"
+
+# Avoid pulling graphics via dependencies
+PACKAGECONFIG:remove:pn-qemu-system-native = "sdl gtk"

layers/meta-devdistro/conf/layer.conf

@@ -0,0 +1,16 @@
+# Add layer to BitBake search path
+BBPATH .= ":${LAYERDIR}"
+
+# Where recipes live
+BBFILES += "\
+    ${LAYERDIR}/recipes-*/*/*.bb \
+    ${LAYERDIR}/recipes-*/*/*.bbappend \
+"
+
+# Layer identification (REQUIRED)
+BBFILE_COLLECTIONS += "devdistro"
+BBFILE_PATTERN_devdistro = "^${LAYERDIR}/"
+BBFILE_PRIORITY_devdistro = "8"
+
+# Yocto release compatibility (REQUIRED, else warning)
+LAYERSERIES_COMPAT_devdistro = "scarthgap"

layers/meta-devdistro/recipes-core/images/dev-image-dev.bb

@@ -0,0 +1,9 @@
+DESCRIPTION = "Full headless image"
+
+require dev-image-full.bb
+
+IMAGE_INSTALL += "\
+    dtc \
+    gptfdisk \
+    util-linux \
+"

layers/meta-devdistro/recipes-core/images/dev-image-full.bb

@@ -0,0 +1,15 @@
+DESCRIPTION = "Full headless development image"
+
+require dev-image-net.bb
+
+IMAGE_FEATURES += "\
+    ssh-server-dropbear \
+"
+
+IMAGE_INSTALL += "\
+    btop \
+    ca-certificates \
+    curl \
+    htop \
+    vim \
+"

layers/meta-devdistro/recipes-core/images/dev-image-minimal.bb

@@ -0,0 +1,10 @@
+DESCRIPTION = "Minimal headless image"
+LICENSE = "MIT"
+
+inherit core-image
+
+IMAGE_INSTALL = "\
+    packagegroup-core-boot \
+"
+
+IMAGE_INSTALL:remove = "grub grub-efi grub-pc"

layers/meta-devdistro/recipes-core/images/dev-image-net.bb

@@ -0,0 +1,10 @@
+DESCRIPTION = "Minimal image with networking"
+
+require dev-image-minimal.bb
+
+IMAGE_INSTALL += "\
+    iproute2 \
+    ethtool \
+"
+
+SYSTEMD_AUTO_ENABLE += "systemd-networkd systemd-resolved"