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Diffstat (limited to 'meta/classes/bootimg.bbclass')
| -rw-r--r-- | meta/classes/bootimg.bbclass | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass deleted file mode 100644 index b13eef965d..0000000000 --- a/meta/classes/bootimg.bbclass +++ /dev/null @@ -1,240 +0,0 @@ -# Copyright (C) 2004, Advanced Micro Devices, Inc. All Rights Reserved -# Released under the MIT license (see packages/COPYING) - -# Creates a bootable image using syslinux, your kernel and an optional -# initrd - -# -# End result is two things: -# -# 1. A .hddimg file which is an msdos filesystem containing syslinux, a kernel, -# an initrd and a rootfs image. These can be written to harddisks directly and -# also booted on USB flash disks (write them there with dd). -# -# 2. A CD .iso image - -# Boot process is that the initrd will boot and process which label was selected -# in syslinux. Actions based on the label are then performed (e.g. installing to -# an hdd) - -# External variables (also used by syslinux.bbclass) -# ${INITRD} - indicates a filesystem image to use as an initrd (optional) -# ${COMPRESSISO} - Transparent compress ISO, reduce size ~40% if set to 1 -# ${NOISO} - skip building the ISO image if set to 1 -# ${NOHDD} - skip building the HDD image if set to 1 -# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional) - -do_bootimg[depends] += "dosfstools-native:do_populate_sysroot \ - mtools-native:do_populate_sysroot \ - cdrtools-native:do_populate_sysroot \ - ${@oe.utils.ifelse(d.getVar('COMPRESSISO'),'zisofs-tools-native:do_populate_sysroot','')}" - -PACKAGES = " " -EXCLUDE_FROM_WORLD = "1" - -HDDDIR = "${S}/hddimg" -ISODIR = "${S}/iso" -EFIIMGDIR = "${S}/efi_img" -COMPACT_ISODIR = "${S}/iso.z" -COMPRESSISO ?= "0" - -BOOTIMG_VOLUME_ID ?= "boot" -BOOTIMG_EXTRA_SPACE ?= "512" - -EFI = "${@base_contains("MACHINE_FEATURES", "efi", "1", "0", d)}" -EFI_PROVIDER ?= "grub-efi" -EFI_CLASS = "${@base_contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}" - -# Include legacy boot if MACHINE_FEATURES includes "pcbios" or if it does not -# contain "efi". This way legacy is supported by default if neither is -# specified, maintaining the original behavior. -def pcbios(d): - pcbios = base_contains("MACHINE_FEATURES", "pcbios", "1", "0", d) - if pcbios == "0": - pcbios = base_contains("MACHINE_FEATURES", "efi", "0", "1", d) - return pcbios - -PCBIOS = "${@pcbios(d)}" - -# The syslinux is required for the isohybrid command and boot catalog -inherit syslinux -inherit ${EFI_CLASS} - -populate() { - DEST=$1 - install -d ${DEST} - - # Install bzImage, initrd, and rootfs.img in DEST for all loaders to use. - install -m 0644 ${STAGING_KERNEL_DIR}/bzImage ${DEST}/vmlinuz - - if [ -n "${INITRD}" ] && [ -s "${INITRD}" ]; then - install -m 0644 ${INITRD} ${DEST}/initrd - fi - - if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then - install -m 0644 ${ROOTFS} ${DEST}/rootfs.img - fi - -} - -build_iso() { - # Only create an ISO if we have an INITRD and NOISO was not set - if [ -z "${INITRD}" ] || [ ! -s "${INITRD}" ] || [ "${NOISO}" = "1" ]; then - bbnote "ISO image will not be created." - return - fi - - populate ${ISODIR} - - if [ "${PCBIOS}" = "1" ]; then - syslinux_iso_populate ${ISODIR} - fi - if [ "${EFI}" = "1" ]; then - efi_iso_populate ${ISODIR} - build_fat_img ${EFIIMGDIR} ${ISODIR}/efi.img - fi - - # EFI only - if [ "${PCBIOS}" != "1" ] && [ "${EFI}" = "1" ] ; then - # Work around bug in isohybrid where it requires isolinux.bin - # In the boot catalog, even though it is not used - mkdir -p ${ISODIR}/${ISOLINUXDIR} - install -m 0644 ${STAGING_DATADIR}/syslinux/isolinux.bin ${ISODIR}${ISOLINUXDIR} - fi - - if [ "${COMPRESSISO}" = "1" ] ; then - # create compact directory, compress iso - mkdir -p ${COMPACT_ISODIR} - mkzftree -z 9 -p 4 -F ${ISODIR}/rootfs.img ${COMPACT_ISODIR}/rootfs.img - - # move compact iso to iso, then remove compact directory - mv ${COMPACT_ISODIR}/rootfs.img ${ISODIR}/rootfs.img - rm -Rf ${COMPACT_ISODIR} - mkisofs_compress_opts="-R -z -D -l" - else - mkisofs_compress_opts="-r" - fi - - if [ "${PCBIOS}" = "1" ] && [ "${EFI}" != "1" ] ; then - # PCBIOS only media - mkisofs -V ${BOOTIMG_VOLUME_ID} \ - -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \ - -b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \ - $mkisofs_compress_opts \ - ${MKISOFS_OPTIONS} ${ISODIR} - else - # EFI only OR EFI+PCBIOS - mkisofs -A ${BOOTIMG_VOLUME_ID} -V ${BOOTIMG_VOLUME_ID} \ - -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \ - -b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \ - $mkisofs_compress_opts ${MKISOFS_OPTIONS} \ - -eltorito-alt-boot -eltorito-platform efi \ - -b efi.img -no-emul-boot \ - ${ISODIR} - isohybrid_args="-u" - fi - - isohybrid $isohybrid_args ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso - - cd ${DEPLOY_DIR_IMAGE} - rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.iso - ln -s ${IMAGE_NAME}.iso ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.iso -} - -build_fat_img() { - FATSOURCEDIR=$1 - FATIMG=$2 - - # Calculate the size required for the final image including the - # data and filesystem overhead. - # Sectors: 512 bytes - # Blocks: 1024 bytes - - # Determine the sector count just for the data - SECTORS=$(expr $(du --apparent-size -ks ${FATSOURCEDIR} | cut -f 1) \* 2) - - # Account for the filesystem overhead. This includes directory - # entries in the clusters as well as the FAT itself. - # Assumptions: - # FAT32 (12 or 16 may be selected by mkdosfs, but the extra - # padding will be minimal on those smaller images and not - # worth the logic here to caclulate the smaller FAT sizes) - # < 16 entries per directory - # 8.3 filenames only - - # 32 bytes per dir entry - DIR_BYTES=$(expr $(find ${FATSOURCEDIR} | tail -n +2 | wc -l) \* 32) - # 32 bytes for every end-of-directory dir entry - DIR_BYTES=$(expr $DIR_BYTES + $(expr $(find ${FATSOURCEDIR} -type d | tail -n +2 | wc -l) \* 32)) - # 4 bytes per FAT entry per sector of data - FAT_BYTES=$(expr $SECTORS \* 4) - # 4 bytes per FAT entry per end-of-cluster list - FAT_BYTES=$(expr $FAT_BYTES + $(expr $(find ${FATSOURCEDIR} -type d | tail -n +2 | wc -l) \* 4)) - - # Use a ceiling function to determine FS overhead in sectors - DIR_SECTORS=$(expr $(expr $DIR_BYTES + 511) / 512) - # There are two FATs on the image - FAT_SECTORS=$(expr $(expr $(expr $FAT_BYTES + 511) / 512) \* 2) - SECTORS=$(expr $SECTORS + $(expr $DIR_SECTORS + $FAT_SECTORS)) - - # Determine the final size in blocks accounting for some padding - BLOCKS=$(expr $(expr $SECTORS / 2) + ${BOOTIMG_EXTRA_SPACE}) - - # Ensure total sectors is an integral number of sectors per - # track or mcopy will complain. Sectors are 512 bytes, and we - # generate images with 32 sectors per track. This calculation is - # done in blocks, thus the mod by 16 instead of 32. - BLOCKS=$(expr $BLOCKS + $(expr 16 - $(expr $BLOCKS % 16))) - - # mkdosfs will sometimes use FAT16 when it is not appropriate, - # resulting in a boot failure from SYSLINUX. Use FAT32 for - # images larger than 512MB, otherwise let mkdosfs decide. - if [ $(expr $BLOCKS / 1024) -gt 512 ]; then - FATSIZE="-F 32" - fi - - mkdosfs ${FATSIZE} -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${FATIMG} ${BLOCKS} - # Copy FATSOURCEDIR recursively into the image file directly - mcopy -i ${FATIMG} -s ${FATSOURCEDIR}/* ::/ -} - -build_hddimg() { - # Create an HDD image - if [ "${NOHDD}" != "1" ] ; then - populate ${HDDDIR} - - if [ "${PCBIOS}" = "1" ]; then - syslinux_hddimg_populate ${HDDDIR} - fi - if [ "${EFI}" = "1" ]; then - efi_hddimg_populate ${HDDDIR} - fi - - build_fat_img ${HDDDIR} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg - - if [ "${PCBIOS}" = "1" ]; then - syslinux_hddimg_install - fi - - chmod 644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg - - cd ${DEPLOY_DIR_IMAGE} - rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hddimg - ln -s ${IMAGE_NAME}.hddimg ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hddimg - fi -} - -python do_bootimg() { - if d.getVar("PCBIOS", True) == "1": - bb.build.exec_func('build_syslinux_cfg', d) - if d.getVar("EFI", True) == "1": - bb.build.exec_func('build_efi_cfg', d) - bb.build.exec_func('build_hddimg', d) - bb.build.exec_func('build_iso', d) -} - -IMAGE_TYPEDEP_iso = "ext3" -IMAGE_TYPEDEP_hddimg = "ext3" -IMAGE_TYPES_MASKED += "iso hddimg" - -addtask bootimg before do_build |