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baremetal-helloworld: Use baremetal-image class to deploy the application
(From OE-Core rev: dd5a64feb5426ec870cf5d53ef056b24eb450487) Signed-off-by: Alejandro Hernandez Samaniego <alejandro@enedino.org> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alejandro Hernandez
Richard Purdie
parent
9ab3e05ad0
commit
843e4844c7
@ -10,10 +10,19 @@ SRC_URI = "git://github.com/aehs29/baremetal-helloqemu.git;protocol=https;branch
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S = "${WORKDIR}/git/"
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# These examples are not meant to be built when using either musl or glibc
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COMPATIBLE_HOST_libc-musl_class-target = "null"
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COMPATIBLE_HOST_libc-glibc_class-target = "null"
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# The following variables should be set to accomodate each application
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BAREMETAL_BINNAME ?= "hello_baremetal_${MACHINE}"
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IMAGE_LINK_NAME ?= "baremetal-helloworld-image-${MACHINE}"
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IMAGE_NAME_SUFFIX ?= ""
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# Baremetal-Image creates the proper wiring, assumes the output is provided in
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# binary and ELF format, installed on ${base_libdir}/firmware/ , we want a
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# package to be created since we might have some way of updating the baremetal
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# firmware from Linux
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inherit baremetal-image
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# These parameters are app specific for this example
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# This will be translated automatically to the architecture and
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# machine that QEMU uses on OE, e.g. -machine virt -cpu cortex-a57
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# but the examples can also be run on other architectures/machines
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@ -25,97 +34,17 @@ BAREMETAL_QEMUARCH_qemuarmv5 = "versatile"
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BAREMETAL_QEMUARCH_qemuarm = "arm"
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BAREMETAL_QEMUARCH_qemuarm64 = "aarch64"
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EXTRA_OEMAKE_append = " QEMUARCH=${BAREMETAL_QEMUARCH} V=1"
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# Install binaries on the proper location for baremetal-image to fetch and deploy
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do_install(){
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install -d ${D}/${datadir}
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install -m 755 ${B}build/hello_baremetal_${BAREMETAL_QEMUARCH}.bin ${D}/${datadir}/hello_baremetal_${MACHINE}.bin
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install -m 755 ${B}build/hello_baremetal_${BAREMETAL_QEMUARCH}.elf ${D}/${datadir}/hello_baremetal_${MACHINE}.elf
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}
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# Borrowed from meta-freertos
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inherit rootfs-postcommands
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IMGDEPLOYDIR ?= "${WORKDIR}/deploy-${PN}-image-complete"
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do_rootfs[dirs] = "${DEPLOYDIR} ${DEPLOY_DIR_IMAGE}"
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DEPLOYDIR = "${IMGDEPLOYDIR}"
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IMAGE_LINK_NAME ?= "baremetal-helloworld-image-${MACHINE}"
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IMAGE_NAME_SUFFIX ?= ""
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do_image_complete(){
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:
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}
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do_image(){
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install ${D}/${datadir}/hello_baremetal_${MACHINE}.bin ${DEPLOYDIR}/${IMAGE_LINK_NAME}.bin
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install ${D}/${datadir}/hello_baremetal_${MACHINE}.elf ${DEPLOYDIR}/${IMAGE_LINK_NAME}.elf
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install -d ${D}/${base_libdir}/firmware
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install -m 755 ${B}build/hello_baremetal_${BAREMETAL_QEMUARCH}.bin ${D}/${base_libdir}/firmware/${BAREMETAL_BINNAME}.bin
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install -m 755 ${B}build/hello_baremetal_${BAREMETAL_QEMUARCH}.elf ${D}/${base_libdir}/firmware/${BAREMETAL_BINNAME}.elf
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}
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FILES_${PN} += " \
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${datadir}/hello_baremetal_${MACHINE}.bin \
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${datadir}/hello_baremetal_${MACHINE}.elf \
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${base_libdir}/firmware/${BAREMETAL_BINNAME}.bin \
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${base_libdir}/firmware/${BAREMETAL_BINNAME}.elf \
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"
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python do_rootfs(){
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from oe.utils import execute_pre_post_process
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from pathlib import Path
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# Write empty manifest testdate file
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deploy_dir = d.getVar('DEPLOYDIR')
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link_name = d.getVar('IMAGE_LINK_NAME')
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manifest_name = d.getVar('IMAGE_MANIFEST')
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Path(manifest_name).touch()
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if os.path.exists(manifest_name) and link_name:
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manifest_link = deploy_dir + "/" + link_name + ".manifest"
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if os.path.lexists(manifest_link):
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os.remove(manifest_link)
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os.symlink(os.path.basename(manifest_name), manifest_link)
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execute_pre_post_process(d, d.getVar('ROOTFS_POSTPROCESS_COMMAND'))
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}
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# QEMU generic FreeRTOS parameters
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QB_DEFAULT_KERNEL = "${IMAGE_LINK_NAME}.bin"
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QB_MEM = "-m 256"
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QB_OPT_APPEND = "-nographic"
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QB_DEFAULT_FSTYPE = "bin"
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QB_DTB = ""
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# Assure binaries, manifest and qemubootconf are populated on DEPLOY_DIR_IMAGE
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do_image_complete[dirs] = "${TOPDIR}"
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do_image_complete[umask] = "022"
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SSTATETASKS += "do_image_complete"
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SSTATE_SKIP_CREATION_task-image-complete = '1'
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do_image_complete[sstate-inputdirs] = "${IMGDEPLOYDIR}"
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do_image_complete[sstate-outputdirs] = "${DEPLOY_DIR_IMAGE}"
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do_image_complete[stamp-extra-info] = "${MACHINE_ARCH}"
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addtask do_image_complete after do_image before do_build
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python do_image_complete_setscene () {
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sstate_setscene(d)
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}
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addtask do_image_complete_setscene
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# This next part is necessary to trick the build system into thinking
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# its building an image recipe so it generates the qemuboot.conf
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# addtask do_deploy after do_write_qemuboot_conf before do_build
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addtask do_rootfs before do_image after do_install
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addtask do_image after do_rootfs before do_build
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addtask do_image_complete after do_image before do_build
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inherit qemuboot
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# Based on image.bbclass to make sure we build qemu
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python(){
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# do_addto_recipe_sysroot doesnt exist for all recipes, but we need it to have
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# /usr/bin on recipe-sysroot (qemu) populated
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def extraimage_getdepends(task):
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deps = ""
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for dep in (d.getVar('EXTRA_IMAGEDEPENDS') or "").split():
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# Make sure we only add it for qemu
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if 'qemu' in dep:
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deps += " %s:%s" % (dep, task)
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return deps
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d.appendVarFlag('do_image', 'depends', extraimage_getdepends('do_addto_recipe_sysroot'))
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d.appendVarFlag('do_image', 'depends', extraimage_getdepends('do_populate_sysroot'))
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}
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