diff options
Diffstat (limited to 'meta-linaro')
| -rw-r--r-- | meta-linaro/recipes-kernel/linux/linux.inc | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/meta-linaro/recipes-kernel/linux/linux.inc b/meta-linaro/recipes-kernel/linux/linux.inc new file mode 100644 index 00000000..3bf3cc71 --- /dev/null +++ b/meta-linaro/recipes-kernel/linux/linux.inc @@ -0,0 +1,243 @@ +DESCRIPTION = "Linux Kernel" +SECTION = "kernel" +LICENSE = "GPLv2" + +LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7" + +inherit kernel siteinfo + +# Specify the commandline for your device + +# 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} " + +# Kernel bootlogo is distro-specific (default is OE logo). +# Logo resolution (qvga, vga, ...) is machine-specific. +LOGO_SIZE ?= "." + +ALLOW_EMPTY_kernel-devicetree = "1" + +python __anonymous () { + + import bb + + devicetree = d.getVar('KERNEL_DEVICETREE', True) or '' + if devicetree: + depends = d.getVar("DEPENDS", True) + d.setVar("DEPENDS", "%s dtc-native" % depends) +} + +do_configure_prepend() { + if [ -e ${WORKDIR}/defconfig ] ; then + + # Rename getline in ./scripts/unifdef.c + # Kernels up to 2.6.29 are currently failing to build unifdef.c, + # clashing with exposed getline() from <stdio.h> + # 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 "" > ${B}/.config + + # + # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used + # + if [ -e ${WORKDIR}/${LOGO_SIZE}/logo_linux_clut224.ppm ]; then + install -m 0644 ${WORKDIR}/${LOGO_SIZE}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm + echo "CONFIG_LOGO=y" >> ${B}/.config + echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${B}/.config + fi + + # Enable thumb2 fixup for specific issue in angstrom toolchains when used on A8 r1p[012] silicon + if [ "${CORTEXA8FIXUP}" = "yes" ] ; then + sed -i -e /CONFIG_ARM_ERRATA_430973/d ${WORKDIR}/defconfig + echo "CONFIG_ARM_ERRATA_430973=y" >> ${B}/.config + fi + + # + # endian support + # + if [ "${SITEINFO_ENDIANNESS}" = "be" ]; then + echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${B}/.config + fi + + echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${B}/.config + + sed -e '/CONFIG_OABI_COMPAT=/d' \ + -e '/CONFIG_CMDLINE=/d' \ + -e '/CONFIG_CPU_BIG_ENDIAN/d' \ + -e '/CONFIG_LOGO=/d' \ + -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \ + -e '/CONFIG_LOCALVERSION/d' \ + -e '/CONFIG_LOCALVERSION_AUTO/d' \ + < '${WORKDIR}/defconfig' >>'${B}/.config' + + echo 'CONFIG_LOCALVERSION=""' >>${B}/.config + echo '# CONFIG_LOCALVERSION_AUTO is not set' >>${B}/.config + + # + # Udev quirks + # + + # Newer versions of udev mandate that sysfs doesn't have deprecated entries + sed -e /CONFIG_SYSFS_DEPRECATED/d \ + -e /CONFIG_SYSFS_DEPRECATED_V2/d \ + -e /CONFIG_HOTPLUG/d \ + -e /CONFIG_UEVENT_HELPER_PATH/d \ + -e /CONFIG_UNIX/d \ + -e /CONFIG_SYSFS/d \ + -e /CONFIG_PROC_FS/d \ + -e /CONFIG_TMPFS/d \ + -e /CONFIG_INOTIFY_USER/d \ + -e /CONFIG_SIGNALFD/d \ + -e /CONFIG_TMPFS_POSIX_ACL/d \ + -e /CONFIG_BLK_DEV_BSG/d \ + -e /CONFIG_AUTOFS4_FS/d \ + -i '${B}/.config' + + echo '# CONFIG_SYSFS_DEPRECATED is not set' >> ${B}/.config + echo '# CONFIG_SYSFS_DEPRECATED_V2 is not set' >> ${B}/.config + echo 'CONFIG_HOTPLUG=y' >> ${B}/.config + echo 'CONFIG_UEVENT_HELPER_PATH=""' >> ${B}/.config + echo 'CONFIG_UNIX=y' >> ${B}/.config + echo 'CONFIG_SYSFS=y' >> ${B}/.config + echo 'CONFIG_PROC_FS=y' >> ${B}/.config + echo 'CONFIG_TMPFS=y' >> ${B}/.config + echo 'CONFIG_INOTIFY_USER=y' >> ${B}/.config + echo 'CONFIG_SIGNALFD=y' >> ${B}/.config + echo 'CONFIG_TMPFS_POSIX_ACL=y' >> ${B}/.config + echo 'CONFIG_BLK_DEV_BSG=y' >> ${B}/.config + echo 'CONFIG_DEVTMPFS=y' >> ${B}/.config + echo 'CONFIG_DEVTMPFS_MOUNT=y' >> ${B}/.config + echo 'CONFIG_AUTOFS4_FS=y' >> ${B}/.config + + # Newer inits like systemd need cgroup support + sed -e /CONFIG_CGROUP_SCHED/d \ + -e /CONFIG_CGROUPS/d \ + -i '${B}/.config' + + echo 'CONFIG_CGROUP_SCHED=y' >> ${B}/.config + echo 'CONFIG_CGROUPS=y' >> ${B}/.config + echo 'CONFIG_CGROUP_NS=y' >> ${B}/.config + echo 'CONFIG_CGROUP_FREEZER=y' >> ${B}/.config + echo 'CONFIG_CGROUP_DEVICE=y' >> ${B}/.config + echo 'CONFIG_CPUSETS=y' >> ${B}/.config + echo 'CONFIG_PROC_PID_CPUSET=y' >> ${B}/.config + echo 'CONFIG_CGROUP_CPUACCT=y' >> ${B}/.config + echo 'CONFIG_RESOURCE_COUNTERS=y' >> ${B}/.config + + # + # root-over-nfs-over-usb-eth support. Limited, but should cover some cases. + # Enable this by setting a proper CMDLINE_NFSROOT_USB. + # + if [ ! -z "${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 ${B}/.config + echo "CONFIG_INET=y" >> ${B}/.config + echo "CONFIG_IP_PNP=y" >> ${B}/.config + echo "CONFIG_USB_GADGET=y" >> ${B}/.config + echo "CONFIG_USB_GADGET_SELECTED=y" >> ${B}/.config + echo "CONFIG_USB_ETH=y" >> ${B}/.config + echo "CONFIG_NFS_FS=y" >> ${B}/.config + echo "CONFIG_ROOT_NFS=y" >> ${B}/.config + echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${B}/.config + fi + + echo 'CONFIG_FHANDLE=y' >> ${B}/.config + + # Check for kernel config fragments. The assumption is that the config + # fragment will be specified with the absolute path. For example: + # * ${WORKDIR}/config1.cfg + # * ${S}/config2.cfg + # Iterate through the list of configs and make sure that you can find + # each one. If not then error out. + # NOTE: If you want to override a configuration that is kept in the kernel + # with one from the OE meta data then you should make sure that the + # OE meta data version (i.e. ${WORKDIR}/config1.cfg) is listed + # after the in kernel configuration fragment. + # Check if any config fragments are specified. + if [ ! -z "${KERNEL_CONFIG_FRAGMENTS}" ] + then + for f in ${KERNEL_CONFIG_FRAGMENTS} + do + # Check if the config fragment was copied into the WORKDIR from + # the OE meta data + if [ ! -e "$f" ] + then + echo "Could not find kernel config fragment $f" + exit 1 + fi + done + + # Now that all the fragments are located merge them. + ( cd ${WORKDIR} && ${S}/scripts/kconfig/merge_config.sh -m -r -O ${B} ${B}/.config ${KERNEL_CONFIG_FRAGMENTS} 1>&2 ) + fi + + yes '' | oe_runmake -C ${S} O=${B} oldconfig + oe_runmake -C ${S} O=${B} savedefconfig && cp ${B}/defconfig ${WORKDIR}/defconfig.saved + fi +} + +do_configure_append() { + if test -e scripts/Makefile.fwinst ; then + sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst + fi +} + +# bitbake.conf only prepends PARALLEL make in tasks called do_compile, which isn't the case for compile_modules +# So explicitly enable it for that in here +EXTRA_OEMAKE = "${PARALLEL_MAKE} " + +do_install_append() { + oe_runmake firmware_install INSTALL_MOD_PATH=${D} ARCH=$ARCH + install -d ${D}/boot + make -C ${S} O=${B} ARCH=$ARCH dtbs || true + install -m 0644 ${B}/arch/$ARCH/boot/dts/*.dtb ${D}/boot || true + + install -d ${D}/lib/firmware + install -m 0644 ${S}/firmware/capes/*.dts ${D}/lib/firmware || true + + rm -f ${D}${KERNEL_SRC_PATH}/arch/*/vdso/vdso*.so +} + +require recipes-kernel/linux/linux-dtb.inc + +PACKAGES =+ "kernel-devicetree-overlays" +FILES_kernel-devicetree-overlays = "/lib/firmware/*.dtbo /lib/firmware/*.dts" +FILES_kernel-devicetree += "/boot/*.dtb" + +RDEPENDS_kernel-image_append = " kernel-devicetree" +RRECOMMENDS_kernel-image_append = " kernel-devicetree-overlays" + +# Automatically depend on lzop/lz4-native if CONFIG_KERNEL_LZO/LZ4 is enabled +python () { + try: + defconfig = bb.fetch2.localpath('file://defconfig', d) + except bb.fetch2.FetchError: + return + + try: + configfile = open(defconfig) + except IOError: + return + + if 'CONFIG_KERNEL_LZO=y\n' in configfile.readlines(): + depends = d.getVar('DEPENDS', False) + d.setVar('DEPENDS', depends + ' lzop-native') + + if 'CONFIG_KERNEL_LZ4=y\n' in configfile.readlines(): + depends = d.getVar('DEPENDS', False) + d.setVar('DEPENDS', depends + ' lz4-native') +} |