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petalinux-create -t apps --name demo-app --enable Commands, Output, and Info

Updated: May 14, 2023


This post lists commands, output, and information around petalinux-create -t apps --name demo-app --enable. Its meant to be used as a development and debugging reference.


# Install, Create, and Build a ZCU102 2019.1 PetaLinux BSP Project


mkdir -p $HOME/petalinux

cd ~/Downloads

./petalinux-v2019.1-final-installer.run $HOME/petalinux/2019.1

mkdir -p ~/plxprjs

cd ~/plxprjs

source ~/petalinux/2019.1/settings.sh

petalinux-create -t project -s ~/plxbsps/xilinx-zcu102-v2019.1-final.bsp


INFO: Create project:

INFO: Projects:

INFO: * xilinx-zcu102-2019.1

INFO: has been successfully installed to /home/demo/plxprjs/

INFO: New project successfully created in /home/demo/plxprjs/


cd ~/plxprjs/xilinx-zcu102-2019.1

time petalinux-build


real 24m50.272s

user 0m54.305s

sys 0m7.616s




# Create a demo-app and Build It


# In a new terminal

cd ~/plxprjs/xilinx-zcu102-2019.1

source ~/petalinux/2019.1/settings.sh


PetaLinux environment set to '/home/demo/petalinux/2019.1'

INFO: Checking free disk space

INFO: Checking installed tools

INFO: Checking installed development libraries

INFO: Checking network and other services

WARNING: No tftp server found - please refer to "PetaLinux SDK Installation Guide" for its impact and solution


petalinux-create -t apps --name demo-app --enable


INFO: Create apps: demo-app

INFO: New apps successfully created in /home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app

INFO: Enabling created component...

INFO: sourcing bitbake

INFO: oldconfig rootfs

INFO: demo-app has been enabled


cat project-spec/meta-plnx-generated/recipes-core/images/petalinux-user-image.bb


DESCRIPTION = "PETALINUX image definition for Xilinx boards" LICENSE = "MIT" require recipes-core/images/petalinux-image-common.inc inherit extrausers COMMON_FEATURES = "\ ssh-server-dropbear \ hwcodecs \ " IMAGE_LINGUAS = " " IMAGE_INSTALL = "\ kernel-modules \ mtd-utils \ canutils \ openssh-sftp-server \ pciutils \ run-postinsts \ udev-extraconf \ packagegroup-core-boot \ packagegroup-core-ssh-dropbear \ tcf-agent \ watchdog-init \ bridge-utils \ hellopm \ demo-app \ " EXTRA_USERS_PARAMS = "usermod -P root root;"


cat project-spec/meta-user/recipes-core/images/petalinux-image-full.bbappend


#Note: Mention Each package in individual line # cascaded representation with line breaks are not valid in this file. IMAGE_INSTALL_append = " peekpoke" IMAGE_INSTALL_append = " gpio-demo" IMAGE_INSTALL_append = " demo-app"


find project-spec/meta-user/recipes-apps/demo-app/


project-spec/meta-user/recipes-apps/demo-app/

project-spec/meta-user/recipes-apps/demo-app/.gdbinit

project-spec/meta-user/recipes-apps/demo-app/demo-app.bb

project-spec/meta-user/recipes-apps/demo-app/files

project-spec/meta-user/recipes-apps/demo-app/files/demo-app.c

project-spec/meta-user/recipes-apps/demo-app/files/Makefile

project-spec/meta-user/recipes-apps/demo-app/README


cat project-spec/meta-user/recipes-apps/demo-app/demo-app.bb


# # This file is the demo-app recipe. # SUMMARY = "Simple demo-app application" SECTION = "PETALINUX/apps" LICENSE = "MIT" LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302" SRC_URI = "file://demo-app.c \ file://Makefile \ " S = "${WORKDIR}" do_compile() { oe_runmake } do_install() { install -d ${D}${bindir} install -m 0755 demo-app ${D}${bindir} }


petalinux-build -c demo-app

cat build/build.log


[INFO] building demo-app

[INFO] sourcing bitbake

SDK environment now set up; additionally you may now run devtool to perform development tasks.

Run devtool --help for further details.


### Shell environment set up for builds. ###


You can now run 'bitbake <target>'


Common targets are:

core-image-minimal

core-image-sato

meta-toolchain

meta-ide-support


You can also run generated qemu images with a command like 'runqemu qemux86'

NOTE: Starting bitbake server...

[INFO] generating user layers

NOTE: Starting bitbake server...

NOTE: Resolving any missing task queue dependencies

Sstate summary: Wanted 14 Found 0 Missed 28 Current 116 (0% match, 89% complete)

NOTE: Executing SetScene Tasks

NOTE: Executing RunQueue Tasks

NOTE: Running task 542 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_fetch)

NOTE: recipe demo-app-1.0-r0: task do_fetch: Started

NOTE: recipe demo-app-1.0-r0: task do_fetch: Succeeded

NOTE: Running task 543 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_prepare_recipe_sysroot)

NOTE: Running task 544 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_unpack)

NOTE: recipe demo-app-1.0-r0: task do_prepare_recipe_sysroot: Started

NOTE: recipe demo-app-1.0-r0: task do_unpack: Started

NOTE: recipe demo-app-1.0-r0: task do_unpack: Succeeded

NOTE: Running task 545 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_patch)

NOTE: recipe demo-app-1.0-r0: task do_patch: Started

NOTE: recipe demo-app-1.0-r0: task do_prepare_recipe_sysroot: Succeeded

NOTE: recipe demo-app-1.0-r0: task do_patch: Succeeded

NOTE: Running task 546 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_populate_lic)

NOTE: Running task 547 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_configure)

NOTE: recipe demo-app-1.0-r0: task do_populate_lic: Started

NOTE: recipe demo-app-1.0-r0: task do_configure: Started

NOTE: recipe demo-app-1.0-r0: task do_configure: Succeeded

NOTE: Running task 548 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_compile)

NOTE: recipe demo-app-1.0-r0: task do_populate_lic: Succeeded

NOTE: recipe demo-app-1.0-r0: task do_compile: Started

NOTE: recipe demo-app-1.0-r0: task do_compile: Succeeded

NOTE: Running task 549 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_install)

NOTE: recipe demo-app-1.0-r0: task do_install: Started

NOTE: recipe demo-app-1.0-r0: task do_install: Succeeded

NOTE: Running task 550 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_package)

NOTE: Running task 551 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_populate_sysroot)

NOTE: recipe demo-app-1.0-r0: task do_populate_sysroot: Started

NOTE: recipe demo-app-1.0-r0: task do_package: Started

NOTE: recipe demo-app-1.0-r0: task do_populate_sysroot: Succeeded

NOTE: recipe demo-app-1.0-r0: task do_package: Succeeded

NOTE: Running task 552 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_packagedata)

NOTE: recipe demo-app-1.0-r0: task do_packagedata: Started

NOTE: recipe demo-app-1.0-r0: task do_packagedata: Succeeded

NOTE: Running task 553 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_package_qa)

NOTE: Running task 554 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_package_write_rpm)

NOTE: recipe demo-app-1.0-r0: task do_package_qa: Started

NOTE: recipe demo-app-1.0-r0: task do_package_write_rpm: Started

NOTE: recipe demo-app-1.0-r0: task do_package_qa: Succeeded

NOTE: recipe demo-app-1.0-r0: task do_package_write_rpm: Succeeded

NOTE: Running task 555 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_rm_work)

NOTE: recipe demo-app-1.0-r0: task do_rm_work: Started

NOTE: recipe demo-app-1.0-r0: task do_rm_work: Succeeded

NOTE: Running noexec task 556 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_rm_work_all)

NOTE: Running noexec task 557 of 557 (/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/recipes-apps/demo-app/demo-app.bb:do_build)

NOTE: Tasks Summary: Attempted 557 tasks of which 541 didn't need to be rerun and all succeeded.

[INFO] successfully built demo-app


petalinux-build




# How demo-app is Connected to Yocto


cat build/conf/bblayers.conf


# WARNING: this configuration has been automatically generated and in

# most cases should not be edited. If you need more flexibility than

# this configuration provides, it is strongly suggested that you set

# up a proper instance of the full build system and use that instead.


LCONF_VERSION = "7"


BBPATH = "${TOPDIR}"

SDKBASEMETAPATH = "/home/demo/petalinux/2019.1/components/yocto/source/aarch64"

BBLAYERS := " \

${SDKBASEMETAPATH}/layers/core/meta \

${SDKBASEMETAPATH}/layers/core/meta-poky \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-perl \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-python \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-filesystems \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-gnome \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-multimedia \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-networking \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-webserver \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-xfce \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-initramfs \

${SDKBASEMETAPATH}/layers/meta-openembedded/meta-oe \

${SDKBASEMETAPATH}/layers/meta-browser \

${SDKBASEMETAPATH}/layers/meta-qt5 \

${SDKBASEMETAPATH}/layers/meta-xilinx/meta-xilinx-bsp \

${SDKBASEMETAPATH}/layers/meta-xilinx/meta-xilinx-contrib \

${SDKBASEMETAPATH}/layers/meta-xilinx-tools \

${SDKBASEMETAPATH}/layers/meta-petalinux \

${SDKBASEMETAPATH}/layers/meta-virtualization \

${SDKBASEMETAPATH}/layers/meta-openamp \

${SDKBASEMETAPATH}/workspace \

/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-plnx-generated \

/home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user \

"


cat /home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-plnx-generated/conf/layer.conf


# We have a conf and classes directory, add to BBPATH

BBPATH .= ":${LAYERDIR}"


# We have recipes-* directories, add to BBFILES

BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \

${LAYERDIR}/recipes-*/*/*.bbappend"


BBFILE_COLLECTIONS += "meta-plnx-generated"

BBFILE_PATTERN_meta-plnx-generated = "^${LAYERDIR}/"

BBFILE_PRIORITY_meta-plnx-generated = "6"


LAYERDEPENDS_meta-plnx-generated = "core"

LAYERSERIES_COMPAT_meta-plnx-generated = "thud"


cat /home/demo/plxprjs/xilinx-zcu102-2019.1/project-spec/meta-user/conf/layer.conf


# We have a conf and classes directory, add to BBPATH

BBPATH .= ":${LAYERDIR}"


# We have recipes-* directories, add to BBFILES

BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \

${LAYERDIR}/recipes-*/*/*.bbappend"


BBFILE_COLLECTIONS += "meta-user"

BBFILE_PATTERN_meta-user = "^${LAYERDIR}/"

BBFILE_PRIORITY_meta-user = "6"

LAYERSERIES_COMPAT_meta-user = "thud"



# Work Directly With BitBake


# Open a new terminal

cd ~/plxprjs/xilinx-zcu102-2019.1

source ~/petalinux/2019.1/settings.sh

source ~/petalinux/2019.1/components/yocto/source/aarch64/environment-setup-aarch64-xilinx-linux

source ~/petalinux/2019.1/components/yocto/source/aarch64/layers/core/oe-init-build-env

# At this point BBPATH is set:

# env | grep BBPATH

# BBPATH=/home/demo/plxprjs/xilinx-zcu102-2019.1/build

export PATH=~/petalinux/2019.1/tools/xsct/bin:$PATH

which xsct

export BB_ENV_EXTRAWHITE="$BB_ENV_EXTRAWHITE PETALINUX"


bitbake -e demo-app > bitbake.e.demo-app



Get all the BB variables:


grep -v "^#" bitbake.e.demo-app | grep "^BB"



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