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|
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPL"
inherit kernel
# Add dependency on mkimage for kernels that build a uImage
python __anonymous () {
import bb
kerneltype = bb.data.getVar('KERNEL_IMAGETYPE', d, 1) or ''
if kerneltype == 'uImage':
depends = bb.data.getVar("DEPENDS", d, 1)
depends = "%s u-boot-mkimage-openmoko-native" % depends
bb.data.setVar("DEPENDS", depends, d)
}
RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
# 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} "
do_configure_prepend() {
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-uclibcgnueabi" ]; then
echo "CONFIG_AEABI=y" >> ${S}/.config
echo "CONFIG_OABI_COMPAT=y" >> ${S}/.config
else
echo "# CONFIG_AEABI is not set" >> ${S}/.config
echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
fi
#
# endian support
#
if [ "${SITEINFO_ENDIANESS}" = "be" ]; then
echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${S}/.config
fi
echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
sed -e '/CONFIG_AEABI/d' \
-e '/CONFIG_OABI_COMPAT=/d' \
-e '/CONFIG_CMDLINE=/d' \
-e '/CONFIG_CPU_BIG_ENDIAN/d' \
-e '/CONFIG_LOGO=/d' \
-e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
< '${WORKDIR}/defconfig' >>'${S}/.config'
#
# root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
# Enable this by setting a proper CMDLINE_NFSROOT_USB.
#
if [ ! -z "${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 ${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}\"" >> ${S}/.config
fi
yes '' | oe_runmake oldconfig
}
# Support checking the kernel size since some kernels need to reside in partitions
# with a fixed length or there is a limit in transferring the kernel to memory
do_sizecheck() {
if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
size=`ls -l arch/${ARCH}/boot/${KERNEL_IMAGETYPE} | awk '{ print $5}'`
if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
rm arch/${ARCH}/boot/${KERNEL_IMAGETYPE}
die "This kernel (size=$size) is too big for your device. Please reduce the size of the kernel by making more of it modular."
fi
fi
}
UBOOT_ENTRYPOINT ?= "20008000"
do_compile_append() {
if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
uboot-mkimage -A ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
rm -f linux.bin
else
${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
rm -f linux.bin.gz
gzip -9 linux.bin
uboot-mkimage -A ${ARCH} -O linux -T kernel -C gzip -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
rm -f linux.bin.gz
fi
fi
}
KERNEL_IMAGE_BASE_NAME = "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}"
KERNEL_IMAGE_SYMLINK_NAME = "${KERNEL_IMAGETYPE}-${MACHINE}"
do_deploy() {
install -d ${DEPLOY_DIR_IMAGE}
install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
tar -cvzf ${DEPLOY_DIR_IMAGE}/modules-${PV}-${PR}-${MACHINE}.tgz -C ${D} lib
cd ${DEPLOY_DIR_IMAGE}
rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin
ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin
}
do_deploy[dirs] = "${S}"
addtask sizecheck before do_install after do_compile
addtask deploy before do_package after do_install
|
