2007-06-08 08:39:22 +00:00
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# bootimg.oeclass
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# Copyright (C) 2004, Advanced Micro Devices, Inc. All Rights Reserved
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# Released under the MIT license (see packages/COPYING)
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# This creates a bootable image using syslinux, your kernel and an optional
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# initrd
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# External variables needed
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# ${INITRD} - indicates a filesystem image to use as an initrd (optional)
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# ${AUTO_SYSLINUXCFG} - set this to 1 to enable creating an automatic config
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# ${LABELS} - a list of targets for the automatic config
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# ${APPEND} - an override list of append strings for each label
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# ${SYSLINUX_OPTS} - additional options to add to the syslinux file ';' delimited
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2007-06-08 18:21:18 +00:00
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do_rootfs[depends] += "dosfstools-native:do_populate_staging \
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syslinux-native:do_populate_staging \
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mtools-native:do_populate_staging \
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cdrtools-native:do_populate_staging"
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2007-06-08 08:39:22 +00:00
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BDIR="${WORKDIR}/boot"
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ISODIR="${IMAGE_ROOTFS}/isolinux/"
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BOOTIMG_VOLUME_ID ?= "oe"
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BOOTIMG_EXTRA_SPACE ?= "64"
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# Get the build_syslinux_cfg() function from the syslinux class
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SYSLINUXCFG="${BDIR}/syslinux.cfg"
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SYSLINUXMENU="${BDIR}/menu"
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inherit syslinux
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build_boot_bin() {
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install -d ${BDIR}
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install -m 0644 ${STAGING_KERNEL_DIR}/bzImage \
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${BDIR}/vmlinuz
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if [ -n "${INITRD}" ] && [ -s "${INITRD}" ]; then
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install -m 0644 ${INITRD} ${BDIR}/initrd
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fi
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install -m 444 ${STAGING_DIR}/${BUILD_SYS}/share/syslinux/ldlinux.sys \
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${BDIR}/ldlinux.sys
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# Do a little math, bash style
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#BLOCKS=`du -s ${BDIR} | cut -f 1`
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BLOCKS=`du -bks ${BDIR} | cut -f 1`
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SIZE=`expr $BLOCKS + ${BOOTIMG_EXTRA_SPACE}`
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mkdosfs -F 12 -n ${BOOTIMG_VOLUME_ID} -d ${BDIR} \
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-C ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-boot.bin $SIZE
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syslinux ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-boot.bin
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#Create an ISO if we have an INITRD
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if [ -n "${INITRD}" ] && [ -s "${INITRD}" ] && [ "${NOISO}" != "1" ] ; then
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install -d ${ISODIR}
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# Install the kernel
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install -m 0644 ${STAGING_KERNEL_DIR}/bzImage \
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${ISODIR}/vmlinuz
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# Install the configuration files
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cp ${BDIR}/syslinux.cfg ${ISODIR}/isolinux.cfg
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if [ -f ${SYSLINUXMENU} ]; then
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cp ${SYSLINUXMENU} ${ISODIR}
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fi
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install -m 0644 ${INITRD} ${ISODIR}/initrd
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# And install the syslinux stuff
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cp ${STAGING_DIR}/${BUILD_SYS}/share/syslinux/isolinux.bin \
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${ISODIR}
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mkisofs -V ${BOOTIMG_VOLUME_ID} \
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-o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
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-b isolinux/isolinux.bin -c isolinux/boot.cat -r \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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${IMAGE_ROOTFS}
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fi
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}
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python do_bootimg() {
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bb.build.exec_func('build_syslinux_cfg', d)
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bb.build.exec_func('build_boot_bin', d)
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}
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# We need to run after bootsplash if it exists, so thats why this line
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# is such. Don't worry, if you don't do bootsplash, nobody will notice
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addtask bootimg before do_build after do_bootsplash
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