SECTION = "kernel"
DESCRIPTION = "Linux kernel for HP Moonshot m400"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"

COMPATIBLE_MACHINE = "proliant-m400"

inherit kernel siteinfo
require recipes-kernel/linux/linux-dtb.inc

MACHINE_KERNEL_PR_append = "b+gitr${SRCPV}"
PR = "${MACHINE_KERNEL_PR}"

KERNEL_DEVICETREE = "arch/${ARCH}/boot/dts/proliant-m400.dts"

SRCREV = "485659fab442882158cb3a007215e89529b987a3"
BRANCH = "Ubuntu-3.13.0-29.53"
SRC_URI = "git://kernel.ubuntu.com/dannf/trusty-xgene.git;protocol=git \
           file://hpconfig \
           file://defconfig \
           file://proliant-m400.dts \
           file://cfg/00027-lttng.cfg \
           file://cfg/00028-perf.cfg \
           file://cfg/00025-powertop.cfg \
           file://cfg/00004-systemtap.cfg \
           "

require kernel-configure.inc
KERNEL_FEATURES = "\
    cfg/00027-lttng.cfg \
    cfg/00028-perf.cfg \
    cfg/00025-powertop.cfg \
    cfg/00004-systemtap.cfg \
    "

DEPENDS += "libgcc u-boot-mkimage-native"

S = "${WORKDIR}/git"

# KERNEL_LOCALVERSION can be set to add a tag to the end of the
# kernel version string.  such as the commit id
KERNEL_LOCALVERSION ?= ""

# Check the defconfig file and see if it points to an in kernel
# defconfig that should be used, or if it is a complete config file

addtask setup_defconfig before do_configure after do_patch
do_setup_defconfig() {
    cp ${WORKDIR}/proliant-m400.dts ${S}/arch/arm64/boot/dts/proliant-m400.dts

    # Always copy the defconfig file to .config to keep consistency
    # between the case where there is a real config and the in kernel
    # tree config
    cp ${WORKDIR}/hpconfig ${S}/arch/arm64/configs/hpconfig_defconfig
    cp ${WORKDIR}/defconfig ${S}/.config

    configure_kernel "${S}/.config" "${KERNEL_FEATURES}"
}

# define our own do_configure that will:
#   1. Check the .config file and see if string use-kernel-config= is present
#   2. If the use-kernel-config string is present parse out the config to use
#      and run make ${config}
#   3. else run yes '' | oe_runmake oldconfig like the default do_configure
#      does
do_configure() {
    echo ${KERNEL_LOCALVERSION} > ${B}/.scmversion
    echo ${KERNEL_LOCALVERSION} > ${S}/.scmversion
    config=`cat ${S}/.config | grep use-kernel-config | cut -d= -f2`
    if [ "x${config}" != "x" ]
    then
        oe_runmake ${config}
    else
        yes '' | oe_runmake oldconfig
    fi
}


# Force uImage build, no support for doing it in do_compile in arm64 arch
do_uboot_mkimage() {
    local ENTRYPOINT=${UBOOT_ENTRYPOINT}
    if test -n "${UBOOT_ENTRYSYMBOL}"; then
        ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \
            awk '$3=="${UBOOT_ENTRYSYMBOL}" {print $1}'`
    fi
    uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e ${ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d arch/${ARCH}/boot/Image arch/${ARCH}/boot/uImage
}


do_deploy_append() {
    local readonly KERNEL_UIMAGE_BASE_NAME="uImage-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}"
    local readonly KERNEL_UIMAGE_SYMLINK_NAME="uImage-${MACHINE}"

    install -m 0644 arch/${ARCH}/boot/uImage ${DEPLOYDIR}/${KERNEL_UIMAGE_BASE_NAME}.bin
    ln -sf ${KERNEL_UIMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_UIMAGE_SYMLINK_NAME}.bin
    ln -sf ${KERNEL_UIMAGE_BASE_NAME}.bin ${DEPLOYDIR}/uImage
}