186 lines
7.3 KiB
Plaintext
186 lines
7.3 KiB
Plaintext
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# The default aligment of the size of the rootfs is set to 1KiB. In case
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# you're using the SD card emulation of a QEMU system simulator you may
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# set this value to 2048 (2MiB alignment).
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IMAGE_ROOTFS_ALIGNMENT ?= "1"
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def imagetypes_getdepends(d):
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def adddep(depstr, deps):
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for i in (depstr or "").split():
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if i not in deps:
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deps.append(i)
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deps = []
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ctypes = d.getVar('COMPRESSIONTYPES', True).split()
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for type in (d.getVar('IMAGE_FSTYPES', True) or "").split():
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if type in ["vmdk", "live", "iso", "hddimg"]:
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type = "ext3"
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basetype = type
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for ctype in ctypes:
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if type.endswith("." + ctype):
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basetype = type[:-len("." + ctype)]
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adddep(d.getVar("COMPRESS_DEPENDS_%s" % ctype, True), deps)
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break
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for typedepends in (d.getVar("IMAGE_TYPEDEP_%s" % basetype, True) or "").split():
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adddep(d.getVar('IMAGE_DEPENDS_%s' % typedepends, True) , deps)
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adddep(d.getVar('IMAGE_DEPENDS_%s' % basetype, True) , deps)
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depstr = ""
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for dep in deps:
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depstr += " " + dep + ":do_populate_sysroot"
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return depstr
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XZ_COMPRESSION_LEVEL ?= "-e -6"
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XZ_INTEGRITY_CHECK ?= "crc32"
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XZ_THREADS ?= "-T 0"
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JFFS2_SUM_EXTRA_ARGS ?= ""
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IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}"
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IMAGE_CMD_cramfs = "mkfs.cramfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cramfs ${EXTRA_IMAGECMD}"
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oe_mkext234fs () {
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fstype=$1
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extra_imagecmd=""
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if [ $# -gt 1 ]; then
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shift
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extra_imagecmd=$@
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fi
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# Create a sparse image block
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dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=0 bs=1k
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mkfs.$fstype -F $extra_imagecmd ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype -d ${IMAGE_ROOTFS}
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}
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IMAGE_CMD_ext2 = "oe_mkext234fs ext2 ${EXTRA_IMAGECMD}"
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IMAGE_CMD_ext3 = "oe_mkext234fs ext3 ${EXTRA_IMAGECMD}"
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IMAGE_CMD_ext4 = "oe_mkext234fs ext4 ${EXTRA_IMAGECMD}"
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MIN_BTRFS_SIZE ?= "16384"
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IMAGE_CMD_btrfs () {
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if [ ${ROOTFS_SIZE} -gt ${MIN_BTRFS_SIZE} ]; then
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dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.btrfs count=${ROOTFS_SIZE} bs=1024
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mkfs.btrfs ${EXTRA_IMAGECMD} -r ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.btrfs
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else
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bbfatal "Rootfs is too small for BTRFS (Rootfs Actual Size: ${ROOTFS_SIZE}, BTRFS Minimum Size: ${MIN_BTRFS_SIZE})"
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fi
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}
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IMAGE_CMD_squashfs = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs ${EXTRA_IMAGECMD} -noappend"
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IMAGE_CMD_squashfs-xz = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-xz ${EXTRA_IMAGECMD} -noappend -comp xz"
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IMAGE_CMD_squashfs-lzo = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-lzo ${EXTRA_IMAGECMD} -noappend -comp lzo"
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IMAGE_CMD_tar = "tar -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar -C ${IMAGE_ROOTFS} ."
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do_rootfs[cleandirs] += "${WORKDIR}/cpio_append"
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IMAGE_CMD_cpio () {
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(cd ${IMAGE_ROOTFS} && find . | cpio -o -H newc >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio)
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if [ ! -L ${IMAGE_ROOTFS}/init -a ! -e ${IMAGE_ROOTFS}/init ]; then
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if [ -L ${IMAGE_ROOTFS}/sbin/init -o -e ${IMAGE_ROOTFS}/sbin/init ]; then
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ln -sf /sbin/init ${WORKDIR}/cpio_append/init
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else
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touch ${WORKDIR}/cpio_append/init
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fi
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(cd ${WORKDIR}/cpio_append && echo ./init | cpio -oA -H newc -F ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio)
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fi
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}
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ELF_KERNEL ?= "${STAGING_DIR_HOST}/usr/src/kernel/${KERNEL_IMAGETYPE}"
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ELF_APPEND ?= "ramdisk_size=32768 root=/dev/ram0 rw console="
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IMAGE_CMD_elf () {
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test -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf && rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf
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mkelfImage --kernel=${ELF_KERNEL} --initrd=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf --append='${ELF_APPEND}' ${EXTRA_IMAGECMD}
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}
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IMAGE_TYPEDEP_elf = "cpio.gz"
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UBI_VOLNAME ?= "${MACHINE}-rootfs"
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IMAGE_CMD_ubi () {
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echo \[ubifs\] > ubinize.cfg
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echo mode=ubi >> ubinize.cfg
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echo image=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs >> ubinize.cfg
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echo vol_id=0 >> ubinize.cfg
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echo vol_type=dynamic >> ubinize.cfg
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echo vol_name=${UBI_VOLNAME} >> ubinize.cfg
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echo vol_flags=autoresize >> ubinize.cfg
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mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs ${MKUBIFS_ARGS}
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ubinize -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubi ${UBINIZE_ARGS} ubinize.cfg
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}
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IMAGE_TYPEDEP_ubi = "ubifs"
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IMAGE_CMD_ubifs = "mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs ${MKUBIFS_ARGS}"
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EXTRA_IMAGECMD = ""
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inherit siteinfo
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JFFS2_ENDIANNESS ?= "${@base_conditional('SITEINFO_ENDIANNESS', 'le', '-l', '-b', d)}"
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JFFS2_ERASEBLOCK ?= "0x40000"
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EXTRA_IMAGECMD_jffs2 ?= "--pad ${JFFS2_ENDIANNESS} --eraseblock=${JFFS2_ERASEBLOCK} --no-cleanmarkers"
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# Change these if you want default mkfs behavior (i.e. create minimal inode number)
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EXTRA_IMAGECMD_ext2 ?= "-i 4096"
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EXTRA_IMAGECMD_ext3 ?= "-i 4096"
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EXTRA_IMAGECMD_ext4 ?= "-i 4096"
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EXTRA_IMAGECMD_btrfs ?= ""
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EXTRA_IMAGECMD_elf ?= ""
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IMAGE_DEPENDS = ""
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IMAGE_DEPENDS_jffs2 = "mtd-utils-native"
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IMAGE_DEPENDS_cramfs = "util-linux-native"
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IMAGE_DEPENDS_ext2 = "e2fsprogs-native"
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IMAGE_DEPENDS_ext3 = "e2fsprogs-native"
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IMAGE_DEPENDS_ext4 = "e2fsprogs-native"
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IMAGE_DEPENDS_btrfs = "btrfs-tools-native"
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IMAGE_DEPENDS_squashfs = "squashfs-tools-native"
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IMAGE_DEPENDS_squashfs-xz = "squashfs-tools-native"
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IMAGE_DEPENDS_squashfs-lzo = "squashfs-tools-native"
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IMAGE_DEPENDS_elf = "virtual/kernel mkelfimage-native"
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IMAGE_DEPENDS_ubi = "mtd-utils-native"
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IMAGE_DEPENDS_ubifs = "mtd-utils-native"
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# This variable is available to request which values are suitable for IMAGE_FSTYPES
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IMAGE_TYPES = " \
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jffs2 jffs2.sum \
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cramfs \
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ext2 ext2.gz ext2.bz2 ext2.lzma \
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ext3 ext3.gz \
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ext4 ext4.gz \
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btrfs \
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iso \
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hddimg \
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squashfs squashfs-xz squashfs-lzo \
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ubi ubifs \
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tar tar.gz tar.bz2 tar.xz tar.lz4 \
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cpio cpio.gz cpio.xz cpio.lzma cpio.lz4 \
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vmdk \
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elf \
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"
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COMPRESSIONTYPES = "gz bz2 lzma xz lz4 sum"
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COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}"
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COMPRESS_CMD_gz = "gzip -f -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.gz"
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COMPRESS_CMD_bz2 = "bzip2 -f -k ${IMAGE_NAME}.rootfs.${type}"
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COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
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COMPRESS_CMD_lz4 = "lz4c -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.lz4"
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COMPRESS_CMD_sum = "sumtool -i ${IMAGE_NAME}.rootfs.${type} -o ${IMAGE_NAME}.rootfs.${type}.sum ${JFFS2_SUM_EXTRA_ARGS}"
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COMPRESS_DEPENDS_lzma = "xz-native"
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COMPRESS_DEPENDS_gz = ""
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COMPRESS_DEPENDS_bz2 = ""
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COMPRESS_DEPENDS_xz = "xz-native"
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COMPRESS_DEPENDS_lz4 = "lz4-native"
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COMPRESS_DEPENDS_sum = "mtd-utils-native"
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RUNNABLE_IMAGE_TYPES ?= "ext2 ext3 ext4"
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RUNNABLE_MACHINE_PATTERNS ?= "qemu"
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DEPLOYABLE_IMAGE_TYPES ?= "hddimg iso"
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# Use IMAGE_EXTENSION_xxx to map image type 'xxx' with real image file extension name(s) for Hob
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IMAGE_EXTENSION_live = "hddimg iso"
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# The IMAGE_TYPES_MASKED variable will be used to mask out from the IMAGE_FSTYPES,
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# images that will not be built at do_rootfs time: vmdk, hddimg, iso, etc.
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IMAGE_TYPES_MASKED ?= ""
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