DESCRIPTION = "Linux Kernel" SECTION = "kernel" LICENSE = "GPLv2" inherit kernel siteinfo RPSRC = "http://www.rpsys.net/openzaurus/patches/archive" # Enable OABI compat for people stuck with obsolete userspace ARM_KEEP_OABI ?= "1" # Quirk for udev greater or equal 141 UDEV_GE_141 ?= "0" # Specify the commandline for your device # Boot from mmc CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5" # Boot from nfs #CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=301 root=/dev/nfs nfsroot=172.20.3.1:/data/at91 ip=172.20.0.5:::255.255.0.0" # Set the verbosity of kernel messages during runtime # You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug", d)}' CMDLINE_append = " ${CMDLINE_DEBUG} " # Support for binary device tree generation FILES_kernel-devicetree = "/boot/devicetree*" KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts" KERNEL_DEVICETREE_calamari = "arch/${ARCH}/boot/dts/mpc8536ds.dts" KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts" KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts" KERNEL_DEVICETREE_lite5200 = "arch/${ARCH}/boot/dts/lite5200.dts" KERNEL_DEVICETREE_lsppchd = "arch/${ARCH}/boot/dts/kuroboxHD.dts" KERNEL_DEVICETREE_lsppchg = "arch/${ARCH}/boot/dts/kuroboxHG.dts" KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts" KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts" KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts" KERNEL_DEVICETREE_mpc8641-hpcn = "arch/${ARCH}/boot/dts/mpc8641_hpcn.dts" KERNEL_DEVICETREE_p1020rdb = "arch/${ARCH}/boot/dts/p1020rdb.dts" KERNEL_DEVICETREE_p2020ds = "arch/${ARCH}/boot/dts/p2020ds.dts" KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts" KERNEL_DEVICETREE_tqm8540 = "arch/${ARCH}/boot/dts/tqm8540.dts" KERNEL_DEVICETREE_xilinx-ml507 = "arch/${ARCH}/boot/dts/virtex440-ml507.dts" KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000" python __anonymous () { import bb devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or '' if devicetree: depends = bb.data.getVar("DEPENDS", d, 1) bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d) packages = bb.data.getVar("PACKAGES", d, 1) bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d) } do_configure_prepend() { # Rename getline in ./scripts/unifdef.c # Kernels up to 2.6.29 are currently failing to build unifdef.c, # clashing with exposed getline() from # see https://patchwork.kernel.org/patch/11166/ # committed in 2.6.29 (commit d15bd1067b1fcb2b7250d22bc0c7c7fea0b759f7) sed -i -e 's/getline/parseline/g' ${S}/scripts/unifdef.c echo "" > ${S}/.config # # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used # if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm echo "CONFIG_LOGO=y" >> ${S}/.config echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${S}/.config fi # # oabi / eabi support # if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibceabi" ]; then echo "CONFIG_AEABI=y" >> ${S}/.config if [ "${ARM_KEEP_OABI}" = "1" ] ; then echo "CONFIG_OABI_COMPAT=y" >> ${S}/.config else echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config fi else echo "# CONFIG_AEABI is not set" >> ${S}/.config echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config fi # When enabling thumb for userspace we also need thumb support in the kernel if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig echo "CONFIG_ARM_THUMB=y" >> ${S}/.config fi # Enable thumb2 fixup for specific issue in angstrom toolchains when used on A8 r1p[012] silicon if [ "${DISTRO_NAME}" = "Angstrom" ] ; then sed -i -e /CONFIG_ARM_ERRATA_430973/d ${WORKDIR}/defconfig echo "CONFIG_ARM_ERRATA_430973=y" >> ${S}/.config fi # # endian support # if [ "${SITEINFO_ENDIANNESS}" = "be" ]; then echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${S}/.config fi echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config sed -e '/CONFIG_AEABI/d' \ -e '/CONFIG_OABI_COMPAT=/d' \ -e '/CONFIG_CMDLINE=/d' \ -e '/CONFIG_CPU_BIG_ENDIAN/d' \ -e '/CONFIG_LOGO=/d' \ -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \ -e '/CONFIG_LOCALVERSION/d' \ -e '/CONFIG_LOCALVERSION_AUTO/d' \ < '${WORKDIR}/defconfig' >>'${S}/.config' echo 'CONFIG_LOCALVERSION=""' >>${S}/.config echo '# CONFIG_LOCALVERSION_AUTO is not set' >>${S}/.config # # Udev quirks # # Newer versions of udev mandate that sysfs doesn't have deprecated entries if [ "${UDEV_GE_141}" = "1" ] ; then sed -e /CONFIG_SYSFS_DEPRECATED/d \ -e /CONFIG_SYSFS_DEPRECATED_V2/d \ -e /CONFIG_HOTPLUG/d \ -e /CONFIG_UEVENT_HELPER_PATH/d \ -e /CONFIG_UNIX/d \ -e /CONFIG_SYSFS/d \ -e /CONFIG_PROC_FS/d \ -e /CONFIG_TMPFS/d \ -e /CONFIG_INOTIFY_USER/d \ -e /CONFIG_SIGNALFD/d \ -e /CONFIG_TMPFS_POSIX_ACL/d \ -e /CONFIG_BLK_DEV_BSG/d \ -i '${S}/.config' echo '# CONFIG_SYSFS_DEPRECATED is not set' >> ${S}/.config echo '# CONFIG_SYSFS_DEPRECATED_V2 is not set' >> ${S}/.config echo 'CONFIG_HOTPLUG=y' >> ${S}/.config echo 'CONFIG_UEVENT_HELPER_PATH=""' >> ${S}/.config echo 'CONFIG_UNIX=y' >> ${S}/.config echo 'CONFIG_SYSFS=y' >> ${S}/.config echo 'CONFIG_PROC_FS=y' >> ${S}/.config echo 'CONFIG_TMPFS=y' >> ${S}/.config echo 'CONFIG_INOTIFY_USER=y' >> ${S}/.config echo 'CONFIG_SIGNALFD=y' >> ${S}/.config echo 'CONFIG_TMPFS_POSIX_ACL=y' >> ${S}/.config echo 'CONFIG_BLK_DEV_BSG=y' >> ${S}/.config echo 'CONFIG_DEVTMPFS=y' >> ${S}/.config echo 'CONFIG_DEVTMPFS_MOUNT=y' >> ${S}/.config fi # Newer inits like systemd need cgroup support if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then sed -e /CONFIG_CGROUP_SCHED/d \ -e /CONFIG_CGROUPS/d \ -i '${S}/.config' echo 'CONFIG_CGROUP_SCHED=y' >> ${S}/.config echo 'CONFIG_CGROUPS=y' >> ${S}/.config echo 'CONFIG_CGROUP_NS=y' >> ${S}/.config echo 'CONFIG_CGROUP_FREEZER=y' >> ${S}/.config echo 'CONFIG_CGROUP_DEVICE=y' >> ${S}/.config echo 'CONFIG_CPUSETS=y' >> ${S}/.config echo 'CONFIG_PROC_PID_CPUSET=y' >> ${S}/.config echo 'CONFIG_CGROUP_CPUACCT=y' >> ${S}/.config echo 'CONFIG_RESOURCE_COUNTERS=y' >> ${S}/.config fi # # root-over-nfs-over-usb-eth support. Limited, but should cover some cases. # Enable this by setting a proper CMDLINE_NFSROOT_USB. # if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}" sed -e '/CONFIG_INET/d' \ -e '/CONFIG_IP_PNP=/d' \ -e '/CONFIG_USB_GADGET=/d' \ -e '/CONFIG_USB_GADGET_SELECTED=/d' \ -e '/CONFIG_USB_ETH=/d' \ -e '/CONFIG_NFS_FS=/d' \ -e '/CONFIG_ROOT_NFS=/d' \ -e '/CONFIG_CMDLINE=/d' \ -i ${S}/.config echo "CONFIG_INET=y" >> ${S}/.config echo "CONFIG_IP_PNP=y" >> ${S}/.config echo "CONFIG_USB_GADGET=y" >> ${S}/.config echo "CONFIG_USB_GADGET_SELECTED=y" >> ${S}/.config echo "CONFIG_USB_ETH=y" >> ${S}/.config echo "CONFIG_NFS_FS=y" >> ${S}/.config echo "CONFIG_ROOT_NFS=y" >> ${S}/.config echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config fi yes '' | oe_runmake oldconfig } do_configure_append() { if test -e scripts/Makefile.fwinst ; then sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst fi } do_install_append() { oe_runmake headers_install INSTALL_HDR_PATH=${D}${exec_prefix}/src/linux-${KERNEL_VERSION} ARCH=$ARCH } PACKAGES =+ "kernel-headers" FILES_kernel-headers = "${exec_prefix}/src/linux*" do_devicetree_image() { if test -n "${KERNEL_DEVICETREE}" ; then dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE} install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION} install -d ${DEPLOY_DIR_IMAGE} install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb cd ${DEPLOY_DIR_IMAGE} rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.dtb fi } addtask devicetree_image after do_install before do_package do_deploy pkg_postinst_kernel-devicetree () { cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true } pkg_postrm_kernel-devicetree () { cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true }