1 files changed, 154 insertions, 0 deletions

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
new file mode 100644
index 0000000000..f38e3b6a11
--- /dev/null
+++ b/meta/classes/image_types.bbclass
@@ -0,0 +1,154 @@
+
+# The default aligment of the size of the rootfs is set to 1KiB. In case
+# you're using the SD card emulation of a QEMU system simulator you may
+# set this value to 2048 (2MiB alignment).
+IMAGE_ROOTFS_ALIGNMENT ?= "1"
+
+def imagetypes_getdepends(d):
+    def adddep(depstr, deps):
+        for i in (depstr or "").split():
+            if i not in deps:
+                deps.append(i)
+
+    deps = []
+    ctypes = d.getVar('COMPRESSIONTYPES', True).split()
+    for type in (d.getVar('IMAGE_FSTYPES', True) or "").split():
+        if type == "vmdk" or type == "live" or type == "iso" or type == "hddimg":
+            type = "ext3"
+        basetype = type
+        for ctype in ctypes:
+            if type.endswith("." + ctype):
+                basetype = type[:-len("." + ctype)]
+                adddep(d.getVar("COMPRESS_DEPENDS_%s" % ctype, True), deps)
+                break
+        adddep(d.getVar('IMAGE_DEPENDS_%s' % basetype, True) , deps)
+
+    depstr = ""
+    for dep in deps:
+        depstr += " " + dep + ":do_populate_sysroot"
+    return depstr
+
+
+XZ_COMPRESSION_LEVEL ?= "-e -6"
+XZ_INTEGRITY_CHECK ?= "crc32"
+XZ_THREADS ?= "-T 0"
+
+JFFS2_SUM_EXTRA_ARGS ?= ""
+IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}"
+
+IMAGE_CMD_cramfs = "mkfs.cramfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cramfs ${EXTRA_IMAGECMD}"
+
+oe_mkext234fs () {
+        fstype=$1
+        extra_imagecmd=""
+
+        if [ $# -gt 1 ]; then
+                shift
+                extra_imagecmd=$@
+        fi
+
+        # Create a sparse image block
+        dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=0 bs=1k
+        mkfs.$fstype -F $extra_imagecmd ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype -d ${IMAGE_ROOTFS}
+}
+
+IMAGE_CMD_ext2 = "oe_mkext234fs ext2 ${EXTRA_IMAGECMD}"
+IMAGE_CMD_ext3 = "oe_mkext234fs ext3 ${EXTRA_IMAGECMD}"
+IMAGE_CMD_ext4 = "oe_mkext234fs ext4 ${EXTRA_IMAGECMD}"
+
+IMAGE_CMD_btrfs () {
+        touch ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.btrfs
+        mkfs.btrfs -b `expr ${ROOTFS_SIZE} \* 1024` ${EXTRA_IMAGECMD} -r ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.btrfs
+}
+
+IMAGE_CMD_squashfs = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs ${EXTRA_IMAGECMD} -noappend"
+IMAGE_CMD_squashfs-xz = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-xz ${EXTRA_IMAGECMD} -noappend -comp xz"
+IMAGE_CMD_tar = "tar -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar -C ${IMAGE_ROOTFS} ."
+
+IMAGE_CMD_cpio () {
+        (cd ${IMAGE_ROOTFS} && find . | cpio -o -H newc >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio)
+        if [ ! -e ${IMAGE_ROOTFS}/init ]; then
+                mkdir -p ${WORKDIR}/cpio_append
+                touch ${WORKDIR}/cpio_append/init
+                (cd  ${WORKDIR}/cpio_append && echo ./init | cpio -oA -H newc -F ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio)
+        fi
+}
+
+ELF_KERNEL ?= "${STAGING_DIR_HOST}/usr/src/kernel/${KERNEL_IMAGETYPE}"
+ELF_APPEND ?= "ramdisk_size=32768 root=/dev/ram0 rw console="
+
+IMAGE_CMD_elf () {
+        test -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf && rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf
+        mkelfImage --kernel=${ELF_KERNEL} --initrd=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf --append='${ELF_APPEND}' ${EXTRA_IMAGECMD}
+}
+IMAGE_TYPEDEP_elf = "cpio.gz"
+
+UBI_VOLNAME ?= "${MACHINE}-rootfs"
+
+IMAGE_CMD_ubi () {
+        echo \[ubifs\] > ubinize.cfg 
+        echo mode=ubi >> ubinize.cfg
+        echo image=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs >> ubinize.cfg 
+        echo vol_id=0 >> ubinize.cfg 
+        echo vol_type=dynamic >> ubinize.cfg 
+        echo vol_name=${UBI_VOLNAME} >> ubinize.cfg 
+        echo vol_flags=autoresize >> ubinize.cfg
+        mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs ${MKUBIFS_ARGS} && ubinize -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubi ${UBINIZE_ARGS} ubinize.cfg
+}
+IMAGE_CMD_ubifs = "mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs ${MKUBIFS_ARGS}"
+
+EXTRA_IMAGECMD = ""
+
+inherit siteinfo
+JFFS2_ENDIANNESS ?= "${@base_conditional('SITEINFO_ENDIANNESS', 'le', '-l', '-b', d)}"
+JFFS2_ERASEBLOCK ?= "0x40000"
+EXTRA_IMAGECMD_jffs2 ?= "--pad ${JFFS2_ENDIANNESS} --eraseblock=${JFFS2_ERASEBLOCK} --no-cleanmarkers"
+
+# Change these if you want default mkfs behavior (i.e. create minimal inode number)
+EXTRA_IMAGECMD_ext2 ?= "-i 4096"
+EXTRA_IMAGECMD_ext3 ?= "-i 4096"
+EXTRA_IMAGECMD_ext4 ?= "-i 4096"
+EXTRA_IMAGECMD_btrfs ?= ""
+EXTRA_IMAGECMD_elf ?= ""
+
+IMAGE_DEPENDS = ""
+IMAGE_DEPENDS_jffs2 = "mtd-utils-native"
+IMAGE_DEPENDS_cramfs = "util-linux-native"
+IMAGE_DEPENDS_ext2 = "e2fsprogs-native"
+IMAGE_DEPENDS_ext3 = "e2fsprogs-native"
+IMAGE_DEPENDS_ext4 = "e2fsprogs-native"
+IMAGE_DEPENDS_btrfs = "btrfs-tools-native"
+IMAGE_DEPENDS_squashfs = "squashfs-tools-native"
+IMAGE_DEPENDS_squashfs-xz = "squashfs-tools-native"
+IMAGE_DEPENDS_elf = "virtual/kernel mkelfimage-native"
+IMAGE_DEPENDS_ubi = "mtd-utils-native"
+IMAGE_DEPENDS_ubifs = "mtd-utils-native"
+
+# This variable is available to request which values are suitable for IMAGE_FSTYPES
+IMAGE_TYPES = "jffs2 jffs2.sum cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma btrfs iso hddimg squashfs squashfs-xz ubi ubifs tar tar.gz tar.bz2 tar.xz tar.lz4 cpio cpio.gz cpio.xz cpio.lzma cpio.lz4 vmdk elf"
+
+COMPRESSIONTYPES = "gz bz2 lzma xz lz4 sum"
+COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}"
+COMPRESS_CMD_gz = "gzip -f -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.gz"
+COMPRESS_CMD_bz2 = "bzip2 -f -k ${IMAGE_NAME}.rootfs.${type}"
+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"
+COMPRESS_CMD_lz4 = "lz4c -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.lz4"
+COMPRESS_CMD_sum = "sumtool -i ${IMAGE_NAME}.rootfs.${type} -o ${IMAGE_NAME}.rootfs.${type}.sum ${JFFS2_SUM_EXTRA_ARGS}"
+COMPRESS_DEPENDS_lzma = "xz-native"
+COMPRESS_DEPENDS_gz = ""
+COMPRESS_DEPENDS_bz2 = ""
+COMPRESS_DEPENDS_xz = "xz-native"
+COMPRESS_DEPENDS_lz4 = "lz4-native"
+COMPRESS_DEPENDS_sum = "mtd-utils-native"
+
+RUNNABLE_IMAGE_TYPES ?= "ext2 ext3"
+RUNNABLE_MACHINE_PATTERNS ?= "qemu"
+
+DEPLOYABLE_IMAGE_TYPES ?= "hddimg iso" 
+
+# Use IMAGE_EXTENSION_xxx to map image type 'xxx' with real image file extension name(s) for Hob
+IMAGE_EXTENSION_live = "hddimg iso"
+
+# The IMAGE_TYPES_MASKED variable will be used to mask out from the IMAGE_FSTYPES,
+# images that will not be built at do_rootfs time: vmdk, hddimg, iso, etc.
+IMAGE_TYPES_MASKED ?= ""