# bootimg.oeclass # Copyright (C) 2004, Advanced Micro Devices, Inc. All Rights Reserved # Released under the MIT license (see packages/COPYING) # This creates a bootable image using syslinux, your kernel and an optional # initrd # External variables needed # ${INITRD} - indicates a filesystem image to use as an initrd (optional) # ${AUTO_SYSLINUXCFG} - set this to 1 to enable creating an automatic config # ${LABELS} - a list of targets for the automatic config # ${APPEND} - an override list of append strings for each label # ${SYSLINUX_OPTS} - additional options to add to the syslinux file ';' delimited DEPENDS_append=" dosfstools-native syslinux-native mtools-native cdrtools-native" BDIR="${WORKDIR}/boot" ISODIR="${IMAGE_ROOTFS}/isolinux/" BOOTIMG_VOLUME_ID ?= "oe" BOOTIMG_EXTRA_SPACE ?= "64" # Get the build_syslinux_cfg() function from the syslinux class SYSLINUXCFG="${BDIR}/syslinux.cfg" SYSLINUXMENU="${BDIR}/menu" inherit syslinux build_boot_bin() { install -d ${BDIR} install -m 0644 ${STAGING_KERNEL_DIR}/bzImage \ ${BDIR}/vmlinuz if [ -n "${INITRD}" ] && [ -s "${INITRD}" ]; then install -m 0644 ${INITRD} ${BDIR}/initrd fi install -m 444 ${STAGING_DIR}/${BUILD_SYS}/share/syslinux/ldlinux.sys \ ${BDIR}/ldlinux.sys # Do a little math, bash style #BLOCKS=`du -s ${BDIR} | cut -f 1` BLOCKS=`du -bks ${BDIR} | cut -f 1` SIZE=`expr $BLOCKS + ${BOOTIMG_EXTRA_SPACE}` mkdosfs -F 12 -n ${BOOTIMG_VOLUME_ID} -d ${BDIR} \ -C ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-boot.bin $SIZE syslinux ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-boot.bin #Create an ISO if we have an INITRD if [ -n "${INITRD}" ] && [ -s "${INITRD}" ] && [ "${NOISO}" != "1" ] ; then install -d ${ISODIR} # Install the kernel install -m 0644 ${STAGING_KERNEL_DIR}/bzImage \ ${ISODIR}/vmlinuz # Install the configuration files cp ${BDIR}/syslinux.cfg ${ISODIR}/isolinux.cfg if [ -f ${SYSLINUXMENU} ]; then cp ${SYSLINUXMENU} ${ISODIR} fi install -m 0644 ${INITRD} ${ISODIR}/initrd # And install the syslinux stuff cp ${STAGING_DIR}/${BUILD_SYS}/share/syslinux/isolinux.bin \ ${ISODIR} mkisofs -V ${BOOTIMG_VOLUME_ID} \ -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \ -b isolinux/isolinux.bin -c isolinux/boot.cat -r \ -no-emul-boot -boot-load-size 4 -boot-info-table \ ${IMAGE_ROOTFS} fi } python do_bootimg() { docfg = bb.data.getVar('AUTO_SYSLINUXCFG', d, 1) if docfg: bb.build.exec_func('build_syslinux_cfg', d) bb.build.exec_func('build_boot_bin', d) } # We need to run after bootsplash if it exists, so thats why this line # is such. Don't worry, if you don't do bootsplash, nobody will notice addtask bootimg before do_build after do_bootsplash