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}-${LINUX_KERNEL_TYPE};name=machine \ git://git.pokylinux.org/linux-2.6-windriver.git;protocol=git;noclone=1;branch=wrs_meta;name=meta" WRMACHINE = "${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" # functionality flags force_revisions = "t" do_patch() { cd ${S} if [ -f ${WORKDIR}/defconfig ]; then defconfig=${WORKDIR}/defconfig fi # simply ensures that a branch of the right name has been created createme ${ARCH} ${WRMACHINE}-${LINUX_KERNEL_TYPE} ${defconfig} if [ $? -ne 0 ]; then echo "ERROR. Could not create ${WRMACHINE}-${LINUX_KERNEL_TYPE}" exit 1 fi # updates or generates the target description updateme ${ARCH} ${WORKDIR} if [ $? -ne 0 ]; then echo "ERROR. Could not update ${WRMACHINE}-${LINUX_KERNEL_TYPE}" exit 1 fi # executes and modifies the source tree as required patchme ${WRMACHINE}-${LINUX_KERNEL_TYPE} if [ $? -ne 0 ]; then echo "ERROR. Could not modify ${WRMACHINE}-${LINUX_KERNEL_TYPE}" exit 1 fi } validate_branches() { branch_head=`git show-ref -s --heads ${WRMACHINE}-${LINUX_KERNEL_TYPE}` meta_head=`git show-ref -s --heads wrs_meta` target_branch_head="${SRCREV_machine}" target_meta_head="${SRCREV_meta}" if [ -n "$target_branch_head" ] && [ "$branch_head" != "$target_branch_head" ]; then if [ -n "${force_revisions}" ]; then git show ${target_branch_head} > /dev/null 2>&1 if [ $? -eq 0 ]; then echo "Forcing branch ${WRMACHINE}-${LINUX_KERNEL_TYPE} to ${target_branch_head}" git branch -m ${WRMACHINE}-${LINUX_KERNEL_TYPE} ${WRMACHINE}-${LINUX_KERNEL_TYPE}-orig git checkout -b ${WRMACHINE}-${LINUX_KERNEL_TYPE} ${target_branch_head} else echo "ERROR ${target_branch_head} is not a valid commit ID." echo "The kernel source tree may be out of sync" exit 1 fi fi fi if [ "$meta_head" != "$target_meta_head" ]; then if [ -n "${force_revisions}" ]; then git show ${target_meta_head} > /dev/null 2>&1 if [ $? -eq 0 ]; then echo "Forcing branch wrs_meta to ${target_meta_head}" git branch -m wrs_meta wrs_meta-orig git checkout -b wrs_meta ${target_meta_head} else echo "ERROR ${target_meta_head} is not a valid commit ID" echo "The kernel source tree may be out of sync" exit 1 fi fi 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} # checkout and clobber and unimportant files git checkout -f ${WRMACHINE}-${LINUX_KERNEL_TYPE} validate_branches # this second checkout is intentional, we want to leave ourselves # on the branch to be built, but validate_branches could have changed # our initial checkout. So we do it a second time to be sure git checkout -f ${WRMACHINE}-${LINUX_KERNEL_TYPE} } do_wrlinux_checkout[dirs] = "${S}" 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 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 elfutils"