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PR = "r1"
KERNEL_REPO?="git://git.rocketboards.org/linux-socfpga.git"
KERNEL_PROT?="http"
KERNEL_DEFCONFIG?="socfpga_defconfig"
KERNEL_TAG?="${AUTOREV}"
SRC_URI = "${KERNEL_REPO};protocol=${KERNEL_PROT};branch=${KERNEL_BRANCH}"
SRCREV_pn-${PN} = "${KERNEL_TAG}"
inherit kernel
SECTION = "kernel"
DESCRIPTION = "Altera Linux kernel"
LICENSE = "GPLv2"
COMPATIBLE_MACHINE = "socfpga"
LIC_FILES_CHKSUM = "file://${S}/COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
S = "${WORKDIR}/git"
MACHINE_DEFCONFIG = "${KERNEL_DEFCONFIG}"
do_configure() {
export INITRAMFS_IMAGE_FILE="${INITRAMFS_IMAGE}-${MACHINE}.cpio"
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
export CROSS_COMPILE="${TARGET_PREFIX}"
export ARCH=${ARCH}
oe_runmake ${MACHINE_DEFCONFIG} CONFIG_BLK_DEV_INITRD=y
cp .config .config.ori
grep CONFIG_BLK_DEV_INITRD .config || echo "CONFIG_BLK_DEV_INITRD=y" >> .config
grep CONFIG_INITRAMFS_SOURCE .config || echo "CONFIG_INITRAMFS_SOURCE=\"\"" >> .config
grep CONFIG_INITRAMFS_ROOT_UID .config || echo "CONFIG_INITRAMFS_ROOT_UID=0" >> .config
grep CONFIG_INITRAMFS_ROOT_GID .config || echo "CONFIG_INITRAMFS_ROOT_GID=0" >> .config
grep CONFIG_INITRAMFS_COMPRESSION_NONE .config || echo "CONFIG_INITRAMFS_COMPRESSION_NONE=y" >> .config
if [ ! -z ${INITRAMFS_IMAGE} ] && [ -e ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_FILE} ]; then
cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_FILE} .
echo "Found valid initramfs ${INITRAMFS_IMAGE_FILE}"
sed -i "s|^.*CONFIG_BLK_DEV_INITRD[ =].*$|CONFIG_BLK_DEV_INITRD=y|g" .config
sed -i "s|^.*CONFIG_INITRAMFS_SOURCE[ =].*$|CONFIG_INITRAMFS_SOURCE=\"${INITRAMFS_IMAGE_FILE}\"|g" .config
sed -i "s|^.*CONFIG_INITRAMFS_ROOT_UID[ =].*$|CONFIG_INITRAMFS_ROOT_UID=0|g" .config
sed -i "s|^.*CONFIG_INITRAMFS_ROOT_GID[ =].*$|CONFIG_INITRAMFS_ROOT_GID=0|g" .config
sed -i "s|^.*CONFIG_INITRAMFS_COMPRESSION_NONE[ =].*$|CONFIG_INITRAMFS_COMPRESSION_NONE=y|g" .config
oe_runmake oldconfig
else
rm -f *.cpio
echo "Initramfs disabled or can't find valid initramfs ${INITRAMFS_IMAGE_FILE}"
sed -i "s|^CONFIG_BLK_DEV_INITRD=.*$|# CONFIG_BLK_DEV_INITRD is not set|g" .config
sed -i "s|^CONFIG_INITRAMFS_SOURCE=\".*\"$|# CONFIG_INITRAMFS_SOURCE is not set|g" .config
sed -i "s|^CONFIG_INITRAMFS_ROOT_UID=.*$|# CONFIG_INITRAMFS_ROOT_UID is not set|g" .config
sed -i "s|^CONFIG_INITRAMFS_ROOT_GID=.*$|# CONFIG_INITRAMFS_ROOT_GID is not set|g" .config
sed -i "s|^CONFIG_INITRAMFS_COMPRESSION_NONE=.*$|# CONFIG_INITRAMFS_COMPRESSION_NONE is not set|g" .config
oe_runmake oldconfig
fi
}
kernel_do_compile() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
oe_runmake __headers CC="${KERNEL_CC}" LD="${KERNEL_LD}"
oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" LOADADDR=0x8000
if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then
gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}"
fi
}
do_compile_dtb() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
sync
oe_runmake ARCH=${ARCH} CROSS_COMPILE="${TARGET_PREFIX}" dtbs ||
oe_runmake ARCH=${ARCH} CROSS_COMPILE="${TARGET_PREFIX}" dtbs
}
addtask compile_dtb after do_compile before do_build
KERNEL_DEVICETREE ?= "socfpga_vt socfpga_cyclone5 socfpga_arria5"
do_deploy_dtb() {
install -d ${DEPLOY_DIR_IMAGE}
cd ${DEPLOY_DIR_IMAGE}
if test -n "${KERNEL_DEVICETREE}"; then
for DTB_FILE in ${KERNEL_DEVICETREE}; do
DTB_SYMLINK_NAME="${DTB_FILE}.dtb"
DEVICE_TREE_OUTPUT="${S}/arch/${ARCH}/boot/${DTB_SUBDIR}${DTB_FILE}.dtb"
DTB_NAME="${DTB_FILE}-${DATETIME}.dtb"
if [ ! -f ${DEVICE_TREE_OUTPUT} ]; then
echo "Warning: ${DEVICE_TREE_OUTPUT} is not available!"
continue
fi
install -m 0644 ${DEVICE_TREE_OUTPUT} ${DTB_NAME}
rm -f ${DTB_SYMLINK_NAME}
ln -sf ${DTB_NAME} ${DTB_SYMLINK_NAME}
done
fi
}
addtask deploy_dtb after do_compile_dtb before do_build
VMLINUX_NAME ?= "vmlinux-${PV}-${PR}-${MACHINE}-${DATETIME}"
kernel_do_deploy_append() {
install -m 0644 ${S}/vmlinux ${DEPLOYDIR}/${VMLINUX_NAME}
cd ${DEPLOYDIR} &&
rm -f vmlinux &&
ln -sf ${VMLINUX_NAME} vmlinux
}
|
