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DESCRIPTION = "Wind River Kernel"
SECTION = "kernel"
LICENSE = "GPL"
# Set this to 'preempt_rt' in the local.conf if you want a real time kernel
LINUX_KERNEL_TYPE ?= standard
SRCREV_FORMAT = "meta_machine"
PV = "2.6.34+git${SRCPV}"
# To use a staged, on-disk bare clone of a Wind River Kernel, use a
# variant of the below
# SRC_URI = "git://///path/to/kernel/default_kernel.git;fullclone=1"
SRC_URI = "git://git.pokylinux.org/linux-2.6-windriver.git;protocol=git;fullclone=1;branch=${WRMACHINE}-${LINUX_KERNEL_TYPE};name=machine \
git://git.pokylinux.org/linux-2.6-windriver.git;protocol=git;noclone=1;branch=wrs_meta;name=meta"
SRC_URI_append_qemux86-64 = "\
file://connect-size.patch \
file://qemux86-64.cfg"
WRMACHINE = "${MACHINE}"
WRMACHINE_qemux86 = "common_pc"
WRMACHINE_qemux86-64 = "common_pc_64"
WRMACHINE_qemuppc = "qemu_ppc32"
WRMACHINE_qemumips = "mti_malta32_be"
WRMACHINE_qemuarm = "arm_versatile_926ejs"
COMPATIBLE_MACHINE = "(qemuarm|qemux86|qemuppc|qemumips|qemux86-64)"
LINUX_VERSION = "v2.6.34"
LINUX_VERSION_EXTENSION = "-wr-${LINUX_KERNEL_TYPE}"
PR = "r6"
S = "${WORKDIR}/linux"
B = "${WORKDIR}/linux-${WRMACHINE}-${LINUX_KERNEL_TYPE}-build"
do_patch() {
cd ${S}
if [ -f ${WORKDIR}/defconfig ]; then
defconfig=${WORKDIR}/defconfig
fi
createme ${ARCH} ${WRMACHINE}-${LINUX_KERNEL_TYPE} ${defconfig}
if [ $? -ne 0 ]; then
echo "ERROR. Could not create ${WRMACHINE}-${LINUX_KERNEL_TYPE}"
exit 1
fi
updateme ${WORKDIR}
if [ $? -ne 0 ]; then
echo "ERROR. Could not update ${WRMACHINE}-${LINUX_KERNEL_TYPE}"
exit 1
fi
patchme ${WRMACHINE}-${LINUX_KERNEL_TYPE}
if [ $? -ne 0 ]; then
echo "ERROR. Could not modify ${WRMACHINE}-${LINUX_KERNEL_TYPE}"
exit 1
fi
}
do_wrlinux_checkout() {
if [ -d ${WORKDIR}/.git/refs/remotes/origin ]; then
echo "Fixing up git directory for ${WRMACHINE}-${LINUX_KERNEL_TYPE}"
rm -rf ${S}
mkdir ${S}
mv ${WORKDIR}/.git ${S}
if [ -e ${S}/.git/packed-refs ]; then
cd ${S}
rm -f .git/refs/remotes/origin/HEAD
IFS='
';
for r in `git show-ref | grep remotes`; do
ref=`echo $r | cut -d' ' -f1`;
b=`echo $r | cut -d'/' -f4`;
echo $ref > .git/refs/heads/$b
done
cd ..
else
mv ${S}/.git/refs/remotes/origin/* ${S}/.git/refs/heads
rmdir ${S}/.git/refs/remotes/origin
fi
fi
cd ${S}
git checkout -f ${WRMACHINE}-${LINUX_KERNEL_TYPE}
}
addtask wrlinux_checkout before do_patch after do_unpack
do_wrlinux_configme() {
echo "Doing wrlinux configme"
cd ${S}
configme --reconfig
if [ $? -ne 0 ]; then
echo "ERROR. Could not configure ${WRMACHINE}-${LINUX_KERNEL_TYPE}"
exit 1
fi
echo "# CONFIG_WRNOTE is not set" >> ${B}/.config
echo "# Global settings from linux recipe" >> ${B}/.config
echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config
}
do_wrlinux_configcheck() {
echo "[INFO] validating kernel configuration"
cd ${B}/..
kconf_check ${B}/.config ${B} ${S} ${B} ${LINUX_VERSION} ${WRMACHINE}-${LINUX_KERNEL_TYPE}
}
do_wrlinux_link_vmlinux() {
cd ${B}/arch/${ARCH}/boot
ln -sf ../../../vmlinux
}
do_compile_perf() {
oe_runmake -C ${S}/tools/perf CC="${KERNEL_CC}" LD="${KERNEL_LD}" prefix=${prefix}
}
do_install_perf() {
oe_runmake -C ${S}/tools/perf CC="${KERNEL_CC}" LD="${KERNEL_LD}" prefix=${prefix} DESTDIR=${D} install
}
do_patch[depends] = "kern-tools-native:do_populate_sysroot"
addtask wrlinux_configme before do_configure after do_patch
addtask wrlinux_link_vmlinux after do_compile before do_install
addtask wrlinux_configcheck after do_configure before do_compile
inherit kernel
# perf subpackage variables
PROVIDES += perf
PACKAGES =+ "perf"
FILES_perf = "${bindir}/* \
${libexecdir}"
# perf tasks
addtask compile_perf after do_compile before do_install
addtask install_perf after do_install before do_package do_deploy
do_compile_perf[depends] = "virtual/libc:do_populate_sysroot"
do_compile_perf[depends] =+ "elfutils:do_populate_sysroot"
RDEPENDS_perf += "python perl"
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