meta-st-stm32mp/recipes-kernel/linux/linux-stm32mp.inc

124 lines
5.2 KiB
PHP

COMPATIBLE_MACHINE = "(stm32mpcommon)"
inherit kernel
inherit kernel-fitimage
DEPENDS += "openssl-native util-linux-native libyaml-native"
B = "${WORKDIR}/build"
# Configure build dir for externalsrc class usage through devtool
EXTERNALSRC_BUILD_pn-${PN} = "${WORKDIR}/build"
# To share config fragments between layers
FILESEXTRAPATHS_prepend := "${THISDIR}:"
do_deploy[sstate-outputdirs] = "${DEPLOY_DIR_IMAGE}/kernel"
#---------------------------------------------------------------
# Module kernel signature
KERNEL_SIGN_ENABLE ?= "0"
EXTRA_OEMAKE += "${@oe.utils.ifelse(d.getVar('KERNEL_SIGN_ENABLE') == '1', 'INSTALL_MOD_STRIP=1','')}"
# YoctoProject bugzilla : 140044
# There's a race between do_symlink_kernsrc and do_populate_lic, since the latter is ordered "after do_patch";
#
# Below a STMicroelectonics' hacks waiting for official Yocto patch:
# commit already exists in gathesgarth :
#a2b50b74d609ce079ab36b82d4c7c3539fb56485 kernel.bbclass: ensure symlink_kernsrc task gets run even with externalsrc
python () {
bb.build.deltask('do_symlink_kernsrc', d)
bb.build.addtask('do_symlink_kernsrc', 'do_patch do_configure', 'do_unpack', d)
}
# ---------------------------------------------------------------------
# Defconfig
#
#If the defconfig is contained on the kernel tree (arch/${ARCH}/configs)
#you must use the following line
do_configure_prepend() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
if [ ! -z ${KERNEL_DEFCONFIG} ];
then
bbnote "Kernel customized: configuration of linux STM by using DEFCONFIG: ${KERNEL_DEFCONFIG}"
oe_runmake ${PARALLEL_MAKE} -C ${S} O=${B} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_DEFCONFIG}
else
if [ ! -z ${KERNEL_EXTERNAL_DEFCONFIG} ];
then
bbnote "Kernel customized: configuration of linux STM by using external DEFCONFIG"
install -m 0644 ${WORKDIR}/${KERNEL_EXTERNAL_DEFCONFIG} ${B}/.config
oe_runmake -C ${S} O=${B} CC="${KERNEL_CC}" LD="${KERNEL_LD}" oldconfig
else
bbwarn "You must specify KERNEL_DEFCONFIG or KERNEL_EXTERNAL_DEFCONFIG"
die "NO DEFCONFIG SPECIFIED"
fi
fi
if [ ! -z "${KERNEL_CONFIG_FRAGMENTS}" ]
then
for f in ${KERNEL_CONFIG_FRAGMENTS}
do
bbnote "file = $f"
# Check if the config fragment was copied into the WORKDIR from
# the OE meta data
if [ ! -e "$f" ]
then
echo "Could not find kernel config fragment $f"
exit 1
fi
done
bbnote "${S}/scripts/kconfig/merge_config.sh -m -r -O ${B} ${B}/.config ${KERNEL_CONFIG_FRAGMENTS} 1>&2"
# Now that all the fragments are located merge them.
(${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} CC="${KERNEL_CC}" LD="${KERNEL_LD}" oldconfig
#oe_runmake -C ${S} O=${B} savedefconfig && cp ${B}/defconfig ${WORKDIR}/defconfig.saved
}
# ---------------------------------------------------------------------
do_compile_kernelmodules_append() {
if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
# 5.10+ kernels have module.lds that we need to copy for external module builds
if [ -e "${B}/scripts/module.lds" ]; then
install -Dm 0644 ${B}/scripts/module.lds ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds
fi
fi
}
# ---------------------------------------------------------------------
do_install_append() {
# Install KERNEL_IMAGETYPE for kernel-imagebootfs package
install -m 0644 ${KERNEL_OUTPUT_DIR}/${KERNEL_IMAGETYPE} ${D}/${KERNEL_IMAGEDEST}
if ${@bb.utils.contains('MACHINE_FEATURES','gpu','true','false',d)}; then
# when ACCEPT_EULA are filled
echo "blacklist etnaviv" > ${D}/${sysconfdir}/modprobe.d/blacklist.conf
fi
#snd dependencies
install -d ${D}/${sysconfdir}/modprobe.d/
echo "softdep snd-soc-cs42l51 pre: snd-soc-cs42l51-i2c" > ${D}/${sysconfdir}/modprobe.d/stm32mp1-snd.conf
}
# ---------------------------------------------------------------------
do_deploy_append() {
if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
mkdir -p ${D}${root_prefix}/lib
tar -cvzf $deployDir/modules-stripped-${MODULE_TARBALL_NAME}.tgz -C ${WORKDIR}/package/${root_prefix} lib
ln -sf modules-stripped-${MODULE_TARBALL_NAME}.tgz $deployDir/modules-stripped-${MODULE_TARBALL_LINK_NAME}.tgz
fi
}
do_deploy[depends] += " virtual/kernel:do_package "
# ---------------------------------------------------------------------
# Support checking the kernel load address parameter: expecting proper value for ST kernel.
#
python do_loadaddrcheck() {
if not d.getVar('ST_KERNEL_LOADADDR'):
bb.fatal('Missing ST_KERNEL_LOADADDR value for ST kernel build: please define it in your machine.')
}
PACKAGES =+ "${KERNEL_PACKAGE_NAME}-headers ${KERNEL_PACKAGE_NAME}-imagebootfs"
FILES_${KERNEL_PACKAGE_NAME}-headers = "${exec_prefix}/src/linux*"
FILES_${KERNEL_PACKAGE_NAME}-image += "boot/ ${KERNEL_IMAGEDEST}"
FILES_${KERNEL_PACKAGE_NAME}-imagebootfs = "boot/*.dtb boot/${KERNEL_IMAGETYPE}"
FILES_${KERNEL_PACKAGE_NAME}-modules += "${sysconfdir}/modprobe.d"