mirror of
https://git.yoctoproject.org/meta-ti
synced 2026-05-10 05:20:21 +00:00
Denys Dmytriyenko
141 lines
6.4 KiB
PHP
141 lines
6.4 KiB
PHP
# This .inc file allows building and deploying multiple sets of kernel + modules
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# with different defconfigs
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#
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# Note that this include will NOT stage anything nor create packages, since that
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# is virtually impossible. Userspace should be built against the 'regular' kernel
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#
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# The intended usecase is for machines that have mutually exclusive drivers due
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# to e.g. pinmuxing issues. For example the LogicPD omap-l138 experimenter board
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# can have multiple mutually exclusive expansion boards like lcd, ethernet,
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# sound, 20x2 character LCD, etc. To be able to easily test all of those you can
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# use this .inc
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#
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# The function get_kernelversion uses generated header files to extract the
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# version number. But those files are not available until do_compile, and
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# do_compileconfigs is injected before that, hence the version becomes None
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# and breaks in several places. Introduce a task do_preparekernel that calls
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# "make prepare" in the kernel tree to generate all the necessary files.
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inherit deploy
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SRC_URI += " \
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file://configs "
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def get_git_revision(p):
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import subprocess
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try:
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return subprocess.Popen("git rev-parse HEAD 2>/dev/null ", cwd=p, shell=True, stdout=subprocess.PIPE).communicate()[0].rstrip()
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except OSError:
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return None
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KERNEL_LOCALVERSION = "-g${@get_git_revision('${S}').__str__()[:10]}"
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MULTI_CONFIG_BASE_SUFFIX = "multi-config-"
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KERNEL_IMAGE_BASE_NAME = "${KERNEL_IMAGETYPE}-${KERNEL_VERSION}-${PKGR}-${MACHINE}-${DATETIME}"
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MODULE_IMAGE_BASE_NAME = "modules-${KERNEL_VERSION}-${PKGR}-${MACHINE}-${DATETIME}"
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CONFIG_IMAGE_BASE_NAME = "config-${KERNEL_VERSION}-${PKGR}-${MACHINE}-${DATETIME}"
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EXTRA_OEMAKE = "${PARALLEL_MAKE} "
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do_preparekernel () {
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unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
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oe_runmake prepare CC="${KERNEL_CC}" LD="${KERNEL_LD}"
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}
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addtask preparekernel after do_configure before do_compile
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do_compileconfigs () {
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# fixup for fetcher change
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if [ -e ${WORKDIR}/configs/configs ] ; then
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if [ -e ${WORKDIR}/configs/configs/empty ] ; then
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mv ${WORKDIR}/configs/configs/empty ${WORKDIR}/configs/
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fi
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mv ${WORKDIR}/configs/configs/* ${WORKDIR}/configs/
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rm -rf ${WORKDIR}/configs/configs
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fi
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# Compile and Install additional kernel configs if found
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if [ -e ${WORKDIR}/configs/empty ] ; then
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echo "No configs found in configs/ directory, skipping to regular build"
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else
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echo "Multiple configs found, building those first"
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# Context Save the regular 'defconfig'
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cp ${WORKDIR}/defconfig ${WORKDIR}/defconfig.save
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for configname in ${WORKDIR}/configs/* ; do
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# Copy in alternative config
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cd ${B}
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cp $configname ${WORKDIR}/defconfig
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# Build and Install this alternative kernel
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do_configure
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echo ${KERNEL_LOCALVERSION}-$(basename $configname) > ${B}/.scmversion
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echo ${KERNEL_LOCALVERSION}-$(basename $configname) > ${S}/.scmversion
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do_compile
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do_compile_kernelmodules
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# Below lines are needed to satisfy do_install and it's cleanup code, which doesn't know about configname
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install -d "${D}/lib/modules/${KERNEL_VERSION}"
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touch "${D}/lib/modules/${KERNEL_VERSION}/build"
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touch "${D}/lib/modules/${KERNEL_VERSION}/source"
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install -d "${D}/lib/modules/${KERNEL_VERSION}/kernel"
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do_install
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# Remove unused symlinks specific to configname
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rm -f "${D}/lib/modules/$(cut -d\" -f2 ${B}/include/generated/utsrelease.h)/build"
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rm -f "${D}/lib/modules/$(cut -d\" -f2 ${B}/include/generated/utsrelease.h)/source"
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# In case no modules were installed, remove empty dirs
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rmdir --ignore-fail-on-non-empty "${D}/lib/modules/$(cut -d\" -f2 ${B}/include/generated/utsrelease.h)/kernel"
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rmdir --ignore-fail-on-non-empty "${D}/lib/modules/$(cut -d\" -f2 ${B}/include/generated/utsrelease.h)"
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# Also remove default location for modules used by do_install if empty
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rmdir --ignore-fail-on-non-empty "${D}/lib/modules/${KERNEL_VERSION}"
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# Drop the resulting images in the deploy dir
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install -d ${DEPLOYDIR}
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install -m 0644 ${KERNEL_OUTPUT} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).bin
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if [ -d "${D}/lib" ]; then
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tar --owner=root --group=root -cvzf ${DEPLOYDIR}/${MODULE_IMAGE_BASE_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).tgz -C ${D} lib
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fi
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# Install the final config alongside the images
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cp .config ${DEPLOYDIR}/${CONFIG_IMAGE_BASE_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).config
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# Create symlinks
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cd ${DEPLOYDIR}
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rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).bin
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ln -sf ${KERNEL_IMAGE_BASE_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).bin ${KERNEL_IMAGE_SYMLINK_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).bin
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rm -f modules-${MACHINE}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).tgz
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ln -sf ${MODULE_IMAGE_BASE_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).tgz modules-${MACHINE}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).tgz
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rm -f config-${MACHINE}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).config
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ln -sf ${CONFIG_IMAGE_BASE_NAME}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).config config-${MACHINE}.${MULTI_CONFIG_BASE_SUFFIX}$(basename $configname).config
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done
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# Restore the regular 'defconfig'
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cp ${WORKDIR}/defconfig.save ${WORKDIR}/defconfig
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cd ${B}
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do_configure
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fi
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}
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# For reference, copy .config to deploy image
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do_deploy_append () {
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install -d ${DEPLOYDIR}
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# Drop the regular defconfig along side the others for consistency
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cp ${B}/.config ${DEPLOYDIR}/${CONFIG_IMAGE_BASE_NAME}.config
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# add symlink
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cd ${DEPLOYDIR}
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rm -f config-${MACHINE}.config
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ln -s ${CONFIG_IMAGE_BASE_NAME}.config config-${MACHINE}.config
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rm -f modules-${MACHINE}.tgz
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ln -sf ${MODULE_IMAGE_BASE_NAME}.tgz modules-${MACHINE}.tgz
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}
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do_compileconfigs[depends] += "u-boot-mkimage-native:do_populate_sysroot virtual/${TARGET_PREFIX}gcc:do_populate_sysroot"
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addtask compileconfigs after do_preparekernel before do_compile
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