diff options
Diffstat (limited to 'meta/classes/bootimg.bbclass')
-rw-r--r-- | meta/classes/bootimg.bbclass | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass new file mode 100644 index 000000000..24e2d296a --- /dev/null +++ b/meta/classes/bootimg.bbclass @@ -0,0 +1,90 @@ +# 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 +# ${SYSLINUX_OPTS} - additional options to add to the syslinux file ';' delimited + +do_rootfs[depends] +="dosfstools-native:do_populate_staging syslinux-native:do_populate_staging mtools-native:do_populate_staging cdrtools-native:do_populate_staging" + +BDIR="${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() { + 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 |