Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | |
| 2 | # The default aligment of the size of the rootfs is set to 1KiB. In case |
| 3 | # you're using the SD card emulation of a QEMU system simulator you may |
| 4 | # set this value to 2048 (2MiB alignment). |
| 5 | IMAGE_ROOTFS_ALIGNMENT ?= "1" |
| 6 | |
| 7 | def imagetypes_getdepends(d): |
| 8 | def adddep(depstr, deps): |
| 9 | for i in (depstr or "").split(): |
| 10 | if i not in deps: |
| 11 | deps.append(i) |
| 12 | |
| 13 | deps = [] |
| 14 | ctypes = d.getVar('COMPRESSIONTYPES', True).split() |
| 15 | for type in (d.getVar('IMAGE_FSTYPES', True) or "").split(): |
| 16 | if type in ["vmdk", "vdi", "qcow2", "live", "iso", "hddimg"]: |
| 17 | type = "ext4" |
| 18 | basetype = type |
| 19 | for ctype in ctypes: |
| 20 | if type.endswith("." + ctype): |
| 21 | basetype = type[:-len("." + ctype)] |
| 22 | adddep(d.getVar("COMPRESS_DEPENDS_%s" % ctype, True), deps) |
| 23 | break |
| 24 | for typedepends in (d.getVar("IMAGE_TYPEDEP_%s" % basetype, True) or "").split(): |
| 25 | adddep(d.getVar('IMAGE_DEPENDS_%s' % typedepends, True) , deps) |
| 26 | adddep(d.getVar('IMAGE_DEPENDS_%s' % basetype, True) , deps) |
| 27 | |
| 28 | depstr = "" |
| 29 | for dep in deps: |
| 30 | depstr += " " + dep + ":do_populate_sysroot" |
| 31 | return depstr |
| 32 | |
| 33 | |
| 34 | XZ_COMPRESSION_LEVEL ?= "-e -6" |
| 35 | XZ_INTEGRITY_CHECK ?= "crc32" |
| 36 | XZ_THREADS ?= "-T 0" |
| 37 | |
| 38 | JFFS2_SUM_EXTRA_ARGS ?= "" |
| 39 | IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}" |
| 40 | |
| 41 | IMAGE_CMD_cramfs = "mkfs.cramfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cramfs ${EXTRA_IMAGECMD}" |
| 42 | |
| 43 | oe_mkext234fs () { |
| 44 | fstype=$1 |
| 45 | extra_imagecmd="" |
| 46 | |
| 47 | if [ $# -gt 1 ]; then |
| 48 | shift |
| 49 | extra_imagecmd=$@ |
| 50 | fi |
| 51 | |
| 52 | # If generating an empty image the size of the sparse block should be large |
| 53 | # enough to allocate an ext4 filesystem using 4096 bytes per inode, this is |
| 54 | # about 60K, so dd needs a minimum count of 60, with bs=1024 (bytes per IO) |
| 55 | eval local COUNT=\"0\" |
| 56 | eval local MIN_COUNT=\"60\" |
| 57 | if [ $ROOTFS_SIZE -lt $MIN_COUNT ]; then |
| 58 | eval COUNT=\"$MIN_COUNT\" |
| 59 | fi |
| 60 | # Create a sparse image block |
| 61 | dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=$COUNT bs=1024 |
| 62 | mkfs.$fstype -F $extra_imagecmd ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype -d ${IMAGE_ROOTFS} |
| 63 | } |
| 64 | |
| 65 | IMAGE_CMD_ext2 = "oe_mkext234fs ext2 ${EXTRA_IMAGECMD}" |
| 66 | IMAGE_CMD_ext3 = "oe_mkext234fs ext3 ${EXTRA_IMAGECMD}" |
| 67 | IMAGE_CMD_ext4 = "oe_mkext234fs ext4 ${EXTRA_IMAGECMD}" |
| 68 | |
| 69 | MIN_BTRFS_SIZE ?= "16384" |
| 70 | IMAGE_CMD_btrfs () { |
| 71 | if [ ${ROOTFS_SIZE} -gt ${MIN_BTRFS_SIZE} ]; then |
| 72 | dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.btrfs count=${ROOTFS_SIZE} bs=1024 |
| 73 | mkfs.btrfs ${EXTRA_IMAGECMD} -r ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.btrfs |
| 74 | else |
| 75 | bbfatal "Rootfs is too small for BTRFS (Rootfs Actual Size: ${ROOTFS_SIZE}, BTRFS Minimum Size: ${MIN_BTRFS_SIZE})" |
| 76 | fi |
| 77 | } |
| 78 | |
| 79 | IMAGE_CMD_squashfs = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs ${EXTRA_IMAGECMD} -noappend" |
| 80 | IMAGE_CMD_squashfs-xz = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-xz ${EXTRA_IMAGECMD} -noappend -comp xz" |
| 81 | IMAGE_CMD_squashfs-lzo = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-lzo ${EXTRA_IMAGECMD} -noappend -comp lzo" |
| 82 | |
| 83 | # By default, tar from the host is used, which can be quite old. If |
| 84 | # you need special parameters (like --xattrs) which are only supported |
| 85 | # by GNU tar upstream >= 1.27, then override that default: |
| 86 | # IMAGE_CMD_TAR = "tar --xattrs --xattrs-include=*" |
| 87 | # IMAGE_DEPENDS_tar_append = " tar-replacement-native" |
| 88 | # EXTRANATIVEPATH += "tar-native" |
| 89 | # |
| 90 | # The GNU documentation does not specify whether --xattrs-include is necessary. |
| 91 | # In practice, it turned out to be not needed when creating archives and |
| 92 | # required when extracting, but it seems prudent to use it in both cases. |
| 93 | IMAGE_CMD_TAR ?= "tar" |
| 94 | IMAGE_CMD_tar = "${IMAGE_CMD_TAR} -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar -C ${IMAGE_ROOTFS} ." |
| 95 | |
| 96 | do_rootfs[cleandirs] += "${WORKDIR}/cpio_append" |
| 97 | IMAGE_CMD_cpio () { |
| 98 | (cd ${IMAGE_ROOTFS} && find . | cpio -o -H newc >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio) |
| 99 | if [ ! -L ${IMAGE_ROOTFS}/init -a ! -e ${IMAGE_ROOTFS}/init ]; then |
| 100 | if [ -L ${IMAGE_ROOTFS}/sbin/init -o -e ${IMAGE_ROOTFS}/sbin/init ]; then |
| 101 | ln -sf /sbin/init ${WORKDIR}/cpio_append/init |
| 102 | else |
| 103 | touch ${WORKDIR}/cpio_append/init |
| 104 | fi |
| 105 | (cd ${WORKDIR}/cpio_append && echo ./init | cpio -oA -H newc -F ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio) |
| 106 | fi |
| 107 | } |
| 108 | |
| 109 | ELF_KERNEL ?= "${STAGING_DIR_HOST}/usr/src/kernel/${KERNEL_IMAGETYPE}" |
| 110 | ELF_APPEND ?= "ramdisk_size=32768 root=/dev/ram0 rw console=" |
| 111 | |
| 112 | IMAGE_CMD_elf () { |
| 113 | test -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf && rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf |
| 114 | mkelfImage --kernel=${ELF_KERNEL} --initrd=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf --append='${ELF_APPEND}' ${EXTRA_IMAGECMD} |
| 115 | } |
| 116 | IMAGE_TYPEDEP_elf = "cpio.gz" |
| 117 | |
| 118 | UBI_VOLNAME ?= "${MACHINE}-rootfs" |
| 119 | |
| 120 | multiubi_mkfs() { |
| 121 | local mkubifs_args="$1" |
| 122 | local ubinize_args="$2" |
| 123 | if [ -z "$3" ]; then |
| 124 | local vname="" |
| 125 | else |
| 126 | local vname="_$3" |
| 127 | fi |
| 128 | |
| 129 | echo \[ubifs\] > ubinize${vname}.cfg |
| 130 | echo mode=ubi >> ubinize${vname}.cfg |
| 131 | echo image=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}${vname}.rootfs.ubifs >> ubinize${vname}.cfg |
| 132 | echo vol_id=0 >> ubinize${vname}.cfg |
| 133 | echo vol_type=dynamic >> ubinize${vname}.cfg |
| 134 | echo vol_name=${UBI_VOLNAME} >> ubinize${vname}.cfg |
| 135 | echo vol_flags=autoresize >> ubinize${vname}.cfg |
| 136 | mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}${vname}.rootfs.ubifs ${mkubifs_args} |
| 137 | ubinize -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}${vname}.rootfs.ubi ${ubinize_args} ubinize${vname}.cfg |
| 138 | |
| 139 | # Cleanup cfg file |
| 140 | mv ubinize${vname}.cfg ${DEPLOY_DIR_IMAGE}/ |
| 141 | |
| 142 | # Create own symlink |
| 143 | cd ${DEPLOY_DIR_IMAGE} |
| 144 | if [ -e ${IMAGE_NAME}${vname}.rootfs.ubifs ]; then |
| 145 | ln -sf ${IMAGE_NAME}${vname}.rootfs.ubifs \ |
| 146 | ${IMAGE_LINK_NAME}${vname}.ubifs |
| 147 | fi |
| 148 | if [ -e ${IMAGE_NAME}${vname}.rootfs.ubi ]; then |
| 149 | ln -sf ${IMAGE_NAME}${vname}.rootfs.ubi \ |
| 150 | ${IMAGE_LINK_NAME}${vname}.ubi |
| 151 | fi |
| 152 | cd - |
| 153 | } |
| 154 | |
| 155 | IMAGE_CMD_multiubi () { |
| 156 | # Split MKUBIFS_ARGS_<name> and UBINIZE_ARGS_<name> |
| 157 | for name in ${MULTIUBI_BUILD}; do |
| 158 | eval local mkubifs_args=\"\$MKUBIFS_ARGS_${name}\" |
| 159 | eval local ubinize_args=\"\$UBINIZE_ARGS_${name}\" |
| 160 | |
| 161 | multiubi_mkfs "${mkubifs_args}" "${ubinize_args}" "${name}" |
| 162 | done |
| 163 | } |
| 164 | |
| 165 | IMAGE_CMD_ubi () { |
| 166 | multiubi_mkfs "${MKUBIFS_ARGS}" "${UBINIZE_ARGS}" |
| 167 | } |
| 168 | |
| 169 | IMAGE_CMD_ubifs = "mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs ${MKUBIFS_ARGS}" |
| 170 | |
| 171 | IMAGE_CMD_wic () { |
| 172 | out=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME} |
| 173 | wks=${FILE_DIRNAME}/${IMAGE_BASENAME}.${MACHINE}.wks |
| 174 | [ -e $wks ] || wks=${FILE_DIRNAME}/${IMAGE_BASENAME}.wks |
| 175 | [ -e $wks ] || bbfatal "Kiskstart file $wks doesn't exist" |
| 176 | BUILDDIR=${TOPDIR} wic create $wks --vars ${STAGING_DIR_TARGET}/imgdata/ -e ${IMAGE_BASENAME} -o $out/ |
| 177 | mv $out/build/${IMAGE_BASENAME}*.direct $out.rootfs.wic |
| 178 | rm -rf $out/ |
| 179 | } |
| 180 | |
| 181 | EXTRA_IMAGECMD = "" |
| 182 | |
| 183 | inherit siteinfo |
| 184 | JFFS2_ENDIANNESS ?= "${@base_conditional('SITEINFO_ENDIANNESS', 'le', '-l', '-b', d)}" |
| 185 | JFFS2_ERASEBLOCK ?= "0x40000" |
| 186 | EXTRA_IMAGECMD_jffs2 ?= "--pad ${JFFS2_ENDIANNESS} --eraseblock=${JFFS2_ERASEBLOCK} --no-cleanmarkers" |
| 187 | |
| 188 | # Change these if you want default mkfs behavior (i.e. create minimal inode number) |
| 189 | EXTRA_IMAGECMD_ext2 ?= "-i 4096" |
| 190 | EXTRA_IMAGECMD_ext3 ?= "-i 4096" |
| 191 | EXTRA_IMAGECMD_ext4 ?= "-i 4096" |
| 192 | EXTRA_IMAGECMD_btrfs ?= "" |
| 193 | EXTRA_IMAGECMD_elf ?= "" |
| 194 | |
| 195 | IMAGE_DEPENDS = "" |
| 196 | IMAGE_DEPENDS_jffs2 = "mtd-utils-native" |
| 197 | IMAGE_DEPENDS_cramfs = "util-linux-native" |
| 198 | IMAGE_DEPENDS_ext2 = "e2fsprogs-native" |
| 199 | IMAGE_DEPENDS_ext3 = "e2fsprogs-native" |
| 200 | IMAGE_DEPENDS_ext4 = "e2fsprogs-native" |
| 201 | IMAGE_DEPENDS_btrfs = "btrfs-tools-native" |
| 202 | IMAGE_DEPENDS_squashfs = "squashfs-tools-native" |
| 203 | IMAGE_DEPENDS_squashfs-xz = "squashfs-tools-native" |
| 204 | IMAGE_DEPENDS_squashfs-lzo = "squashfs-tools-native" |
| 205 | IMAGE_DEPENDS_elf = "virtual/kernel mkelfimage-native" |
| 206 | IMAGE_DEPENDS_ubi = "mtd-utils-native" |
| 207 | IMAGE_DEPENDS_ubifs = "mtd-utils-native" |
| 208 | IMAGE_DEPENDS_multiubi = "mtd-utils-native" |
| 209 | IMAGE_DEPENDS_wic = "parted-native" |
| 210 | |
| 211 | # This variable is available to request which values are suitable for IMAGE_FSTYPES |
| 212 | IMAGE_TYPES = " \ |
| 213 | jffs2 jffs2.sum \ |
| 214 | cramfs \ |
| 215 | ext2 ext2.gz ext2.bz2 ext2.lzma \ |
| 216 | ext3 ext3.gz \ |
| 217 | ext4 ext4.gz \ |
| 218 | btrfs \ |
| 219 | iso \ |
| 220 | hddimg \ |
| 221 | squashfs squashfs-xz squashfs-lzo \ |
| 222 | ubi ubifs multiubi \ |
| 223 | tar tar.gz tar.bz2 tar.xz tar.lz4 \ |
| 224 | cpio cpio.gz cpio.xz cpio.lzma cpio.lz4 \ |
| 225 | vmdk \ |
| 226 | vdi \ |
| 227 | qcow2 \ |
| 228 | elf \ |
| 229 | wic wic.gz wic.bz2 wic.lzma \ |
| 230 | " |
| 231 | |
| 232 | COMPRESSIONTYPES = "gz bz2 lzma xz lz4 sum" |
| 233 | COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}" |
| 234 | COMPRESS_CMD_gz = "gzip -f -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.gz" |
| 235 | COMPRESS_CMD_bz2 = "pbzip2 -f -k ${IMAGE_NAME}.rootfs.${type}" |
| 236 | 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" |
| 237 | COMPRESS_CMD_lz4 = "lz4c -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.lz4" |
| 238 | COMPRESS_CMD_sum = "sumtool -i ${IMAGE_NAME}.rootfs.${type} -o ${IMAGE_NAME}.rootfs.${type}.sum ${JFFS2_SUM_EXTRA_ARGS}" |
| 239 | COMPRESS_DEPENDS_lzma = "xz-native" |
| 240 | COMPRESS_DEPENDS_gz = "" |
| 241 | COMPRESS_DEPENDS_bz2 = "pbzip2-native" |
| 242 | COMPRESS_DEPENDS_xz = "xz-native" |
| 243 | COMPRESS_DEPENDS_lz4 = "lz4-native" |
| 244 | COMPRESS_DEPENDS_sum = "mtd-utils-native" |
| 245 | |
| 246 | RUNNABLE_IMAGE_TYPES ?= "ext2 ext3 ext4" |
| 247 | RUNNABLE_MACHINE_PATTERNS ?= "qemu" |
| 248 | |
| 249 | DEPLOYABLE_IMAGE_TYPES ?= "hddimg iso" |
| 250 | |
| 251 | # Use IMAGE_EXTENSION_xxx to map image type 'xxx' with real image file extension name(s) for Hob |
| 252 | IMAGE_EXTENSION_live = "hddimg iso" |
| 253 | |
| 254 | # The IMAGE_TYPES_MASKED variable will be used to mask out from the IMAGE_FSTYPES, |
| 255 | # images that will not be built at do_rootfs time: vmdk, vdi, qcow2, hddimg, iso, etc. |
| 256 | IMAGE_TYPES_MASKED ?= "" |
| 257 | |
| 258 | # The WICVARS variable is used to define list of bitbake variables used in wic code |
| 259 | # variables from this list is written to <image>.env file |
| 260 | WICVARS ?= "BBLAYERS DEPLOY_DIR_IMAGE HDDDIR IMAGE_BASENAME IMAGE_BOOT_FILES IMAGE_LINK_NAME IMAGE_ROOTFS INITRAMFS_FSTYPES INITRD ISODIR MACHINE_ARCH ROOTFS_SIZE STAGING_DATADIR STAGING_DIR_NATIVE STAGING_LIBDIR TARGET_SYS" |