DESCRIPTION = "Linux Kernel"
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SECTION = "kernel"
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LICENSE = "GPLv2"
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LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
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INC_PR = "r0"
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inherit kernel siteinfo
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# Enable OABI compat for people stuck with obsolete userspace
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ARM_KEEP_OABI ?= "0"
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# Set the verbosity of kernel messages during runtime
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# You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour
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CMDLINE_DEBUG ?= "loglevel=3"
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# Kernel bootlogo is distro-specific (default is OE logo).
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# Logo resolution (qvga, vga, ...) is machine-specific.
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LOGO_SIZE ?= '${@oe.utils.conditional("MACHINE_GUI_CLASS", "bigscreen", "vga", "qvga", d)}'
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# To use this, add file://${LOGO_SIZE}/logo_linux_clut224.ppm.bz2 or similar
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# to your kernel recipe, and then structure your logos for each resolution
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# accordingly.
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LOCALVERSION ?= ""
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#kernel_conf_variable CMDLINE "\"${CMDLINE} ${CMDLINE_DEBUG}\""
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kernel_conf_variable() {
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CONF_SED_SCRIPT="$CONF_SED_SCRIPT /CONFIG_$1[ =]/d;"
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if test "$2" = "n"
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then
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echo "# CONFIG_$1 is not set" >> ${B}/.config
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else
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echo "CONFIG_$1=$2" >> ${B}/.config
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fi
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}
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do_configure:prepend() {
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echo "" > ${B}/.config
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CONF_SED_SCRIPT=""
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#
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# logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
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#
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if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
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install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
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kernel_conf_variable LOGO y
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kernel_conf_variable LOGO_LINUX_CLUT224 y
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fi
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#
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# oabi / eabi support
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#
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kernel_conf_variable AEABI y
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if [ "${ARM_KEEP_OABI}" = "1" ] ; then
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kernel_conf_variable OABI_COMPAT y
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else
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kernel_conf_variable OABI_COMPAT n
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fi
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# When enabling thumb for userspace we also need thumb support in the kernel
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if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
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kernel_conf_variable ARM_THUMB y
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fi
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kernel_conf_variable CMDLINE "\"${CMDLINE} ${CMDLINE_DEBUG}\""
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kernel_conf_variable LOCALVERSION "\"${LOCALVERSION}\""
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kernel_conf_variable LOCALVERSION_AUTO n
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kernel_conf_variable SYSFS_DEPRECATED n
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kernel_conf_variable SYSFS_DEPRECATED_V2 n
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kernel_conf_variable HOTPLUG y
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kernel_conf_variable UEVENT_HELPER_PATH \"\"
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kernel_conf_variable UNIX y
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kernel_conf_variable SYSFS y
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kernel_conf_variable PROC_FS y
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kernel_conf_variable TMPFS y
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kernel_conf_variable INOTIFY_USER y
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kernel_conf_variable SIGNALFD y
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kernel_conf_variable TMPFS_POSIX_ACL y
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kernel_conf_variable BLK_DEV_BSG y
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kernel_conf_variable DEVTMPFS y
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kernel_conf_variable DEVTMPFS_MOUNT y
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# Newer inits like systemd need cgroup support
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if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then
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kernel_conf_variable CGROUP_SCHED y
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kernel_conf_variable CGROUPS y
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kernel_conf_variable CGROUP_NS y
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kernel_conf_variable CGROUP_FREEZER y
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kernel_conf_variable CGROUP_DEVICE y
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kernel_conf_variable CPUSETS y
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kernel_conf_variable PROC_PID_CPUSET y
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kernel_conf_variable CGROUP_CPUACCT y
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kernel_conf_variable RESOURCE_COUNTERS y
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fi
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#
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# root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
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# Enable this by setting a proper CMDLINE_NFSROOT_USB.
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#
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if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
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bbnote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
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kernel_conf_variable INET y
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kernel_conf_variable IP_PNP y
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kernel_conf_variable USB_GADGET y
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kernel_conf_variable USB_GADGET_SELECTED y
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kernel_conf_variable USB_ETH y
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kernel_conf_variable NFS_FS y
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kernel_conf_variable ROOT_NFS y
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kernel_conf_variable CMDLINE \"${CMDLINE_NFSROOT_USB} ${CMDLINE_DEBUG}\"
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fi
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sed -e "${CONF_SED_SCRIPT}" \
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< '${WORKDIR}/defconfig' >>'${B}/.config'
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yes '' | oe_runmake -C ${S} O=${B} oldconfig
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}
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do_configure:append() {
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if test -e scripts/Makefile.fwinst ; then
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sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst
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fi
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}
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do_install:append() {
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oe_runmake headers_install INSTALL_HDR_PATH=${D}${exec_prefix}/src/linux-${KERNEL_VERSION} ARCH=$ARCH
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}
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PACKAGES =+ "kernel-headers"
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FILES:kernel-headers = "${exec_prefix}/src/linux*"
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