1 files changed, 133 insertions, 0 deletions

diff --git a/recipes-kernel/linux/staging-kernel.inc b/recipes-kernel/linux/staging-kernel.inc
new file mode 100644
index 0000000..3ef802d
--- /dev/null
+++ b/recipes-kernel/linux/staging-kernel.inc
@@ -0,0 +1,133 @@
+# This .inc file allows building and deploying staging kernel + modules
+# with defconfig + fragment cfgs
+
+require kernel-configure.inc
+
+STAGING_NAME ?= "RELEASE"
+STAGING_KERNEL_FEATURES ?= ""
+KERNEL_FEATURES ?= ""
+MODULES_IMAGE_BASE_NAME = "modules-${PV}-${PR}-${MACHINE}"
+EXTRA_OEMAKE_prepend_task-stagingkernel = "${PARALLEL_MAKE} "
+
+do_stagingkernel () {
+    stagingkernel "${STAGING_KERNEL_FEATURES}" ${STAGING_NAME}
+}
+
+stagingkernel () {
+
+    configure_kernel "${KERNEL_DEFCONFIG}" "${1}"
+
+    # Copy defconfig to .config if .config does not exist. This allows
+    # recipes to manage the .config themselves in do_configure_prepend().
+    if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
+      cp "${WORKDIR}/defconfig" "${B}/.config"
+    fi
+    yes '' | oe_runmake oldconfig
+
+    if [ ! -z "${INITRAMFS_IMAGE}" ]; then
+      for img in cpio.gz cpio.lzo cpio.lzma cpio.xz; do
+        if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
+          cp "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" initramfs.$img
+        fi
+      done
+    fi
+
+    #
+    # Build this alternative kernel
+    #
+
+    kernel_do_compile
+    do_compile_kernelmodules
+
+    #
+    # First install the modules to deploy dir
+    #
+    unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+    if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
+        oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
+    else
+        bbnote "no modules to install"
+    fi
+    if [ -d "${D}/lib" ]; then
+        tar -cvzf ${DEPLOY_DIR_IMAGE}/${MODULES_IMAGE_BASE_NAME}-${2}.tgz -C ${D} lib
+    fi
+        rm -fr ${D}/lib
+
+    #
+    # Dont build any dtb:s for the staging kernel
+    #
+
+    #
+    # Drop the resulting images in the deploy dir
+    #
+    cd ${S}
+    install -d ${DEPLOY_DIR_IMAGE}
+    install -m 0644 ${KERNEL_OUTPUT} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}-${2}.bin
+    mv  ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}-${2}
+
+    #
+    # Install the final config alongside the images
+    #
+    cd ${S}
+    cp .config ${DEPLOY_DIR_IMAGE}/config-${PV}-${PR}-${MACHINE}-${2}.config
+    rm -f .config
+
+    #
+    # Create symlinks
+    #
+    cd ${DEPLOY_DIR_IMAGE}
+    rm -f ${KERNEL_IMAGE_SYMLINK_NAME}-${2}.bin
+    ln -sf ${KERNEL_IMAGE_BASE_NAME}-${2}.bin ${KERNEL_IMAGE_SYMLINK_NAME}-${2}.bin
+
+    rm -f config-${MACHINE}-${2}.config
+    ln -sf config-${PV}-${PR}-${MACHINE}-${2}.config config-${MACHINE}-${2}.config
+
+}
+
+do_stagingkernel[dirs] = "${DEPLOY_DIR_IMAGE} ${B}"
+
+do_stagingkernel[depends] += "u-boot-mkimage-native:do_populate_sysroot virtual/${TARGET_PREFIX}gcc:do_populate_sysroot virtual/${TARGET_PREFIX}gcc:do_populate_sysroot libgcc:do_populate_sysroot"
+
+addtask stagingkernel after do_patch before do_configure
+
+#
+# For reference, copy .config to deploy image
+#
+do_deploy_append () {
+
+        install -d ${DEPLOY_DIR_IMAGE}
+
+    #
+    # Drop the regular defconfig along side the others for consistency
+    #
+    cd ${S}
+    cp .config ${DEPLOY_DIR_IMAGE}/config-${PV}-${PR}-${MACHINE}.config
+
+    #
+    # add symlink
+    #
+    cd ${DEPLOY_DIR_IMAGE}
+    rm -f config-${MACHINE}.config
+    ln -s config-${PV}-${PR}-${MACHINE}.config config-${MACHINE}.config
+
+}
+
+#
+# Clean staging kernel related files in deploy dir
+#
+do_cleanstagingkernel () {
+
+   cd ${DEPLOY_DIR_IMAGE}
+   rm -f *-${STAGING_NAME}.*
+
+   rm -f config-${PV}-${PR}-${MACHINE}.config
+   rm -f config-${MACHINE}.config
+
+}
+
+LDFLAGS=""
+
+do_cleanstagingkernel[nostamp] = "1"
+
+addtask cleanstagingkernel after do_cleansstate
+