blob: b4b0661225a619673b0081275b551ebcecb3361a [file] [log] [blame]
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPL-2.0-only"
LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
INC_PR = "r0"
inherit kernel siteinfo
# Enable OABI compat for people stuck with obsolete userspace
ARM_KEEP_OABI ?= "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 ?= "loglevel=3"
# Kernel bootlogo is distro-specific (default is OE logo).
# Logo resolution (qvga, vga, ...) is machine-specific.
LOGO_SIZE ?= '${@oe.utils.conditional("MACHINE_GUI_CLASS", "bigscreen", "vga", "qvga", d)}'
# To use this, add file://${LOGO_SIZE}/logo_linux_clut224.ppm.bz2 or similar
# to your kernel recipe, and then structure your logos for each resolution
# accordingly.
LOCALVERSION ?= ""
#kernel_conf_variable CMDLINE "\"${CMDLINE} ${CMDLINE_DEBUG}\""
kernel_conf_variable() {
CONF_SED_SCRIPT="$CONF_SED_SCRIPT /CONFIG_$1[ =]/d;"
if test "$2" = "n"
then
echo "# CONFIG_$1 is not set" >> ${B}/.config
else
echo "CONFIG_$1=$2" >> ${B}/.config
fi
}
do_configure:prepend() {
echo "" > ${B}/.config
CONF_SED_SCRIPT=""
#
# 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 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
kernel_conf_variable LOGO y
kernel_conf_variable LOGO_LINUX_CLUT224 y
fi
#
# oabi / eabi support
#
kernel_conf_variable AEABI y
if [ "${ARM_KEEP_OABI}" = "1" ] ; then
kernel_conf_variable OABI_COMPAT y
else
kernel_conf_variable OABI_COMPAT n
fi
# When enabling thumb for userspace we also need thumb support in the kernel
if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
kernel_conf_variable ARM_THUMB y
fi
kernel_conf_variable CMDLINE "\"${CMDLINE} ${CMDLINE_DEBUG}\""
kernel_conf_variable LOCALVERSION "\"${LOCALVERSION}\""
kernel_conf_variable LOCALVERSION_AUTO n
kernel_conf_variable SYSFS_DEPRECATED n
kernel_conf_variable SYSFS_DEPRECATED_V2 n
kernel_conf_variable HOTPLUG y
kernel_conf_variable UEVENT_HELPER_PATH \"\"
kernel_conf_variable UNIX y
kernel_conf_variable SYSFS y
kernel_conf_variable PROC_FS y
kernel_conf_variable TMPFS y
kernel_conf_variable INOTIFY_USER y
kernel_conf_variable SIGNALFD y
kernel_conf_variable TMPFS_POSIX_ACL y
kernel_conf_variable BLK_DEV_BSG y
kernel_conf_variable DEVTMPFS y
kernel_conf_variable DEVTMPFS_MOUNT y
# Newer inits like systemd need cgroup support
if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then
kernel_conf_variable CGROUP_SCHED y
kernel_conf_variable CGROUPS y
kernel_conf_variable CGROUP_NS y
kernel_conf_variable CGROUP_FREEZER y
kernel_conf_variable CGROUP_DEVICE y
kernel_conf_variable CPUSETS y
kernel_conf_variable PROC_PID_CPUSET y
kernel_conf_variable CGROUP_CPUACCT y
kernel_conf_variable RESOURCE_COUNTERS y
fi
#
# root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
# Enable this by setting a proper CMDLINE_NFSROOT_USB.
#
if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
bbnote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
kernel_conf_variable INET y
kernel_conf_variable IP_PNP y
kernel_conf_variable USB_GADGET y
kernel_conf_variable USB_GADGET_SELECTED y
kernel_conf_variable USB_ETH y
kernel_conf_variable NFS_FS y
kernel_conf_variable ROOT_NFS y
kernel_conf_variable CMDLINE \"${CMDLINE_NFSROOT_USB} ${CMDLINE_DEBUG}\"
fi
sed -e "${CONF_SED_SCRIPT}" \
< '${WORKDIR}/defconfig' >>'${B}/.config'
yes '' | oe_runmake -C ${S} O=${B} 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*"